diff --git a/dixie.js b/dixie.js index d7860d2..18ef16b 100644 --- a/dixie.js +++ b/dixie.js @@ -20,16 +20,18 @@ // // Author: John Koleszar (jkoleszar@google.com) // Dominik Homberger (dominik.homberger@gmail.com) - +// Source: https://github.com/dominikhlbg/vp8-webm-javascript-decoder/ "use strict"; - +if (typeof window === 'undefined') { + var window = self; +} /* Definition of the argument values for the exit() function stdlib.h*/ //int strcmp ( const char * str1, const char * str2 ); -function strcmp (str1, str2 ) { - return ((str1 == str2) ? 0 : ((str1 > str2) ? 1 : -1)); +function strcmp(str1, str2) { + return ((str1 == str2) ? 0 : ((str1 > str2) ? 1 : -1)); } var ptr = 0; @@ -37,341 +39,363 @@ var ptr = 0; //stdio.h /* Seek method constants */ -var EXIT_SUCCESS = 0; -var EXIT_FAILURE = 1; +var EXIT_SUCCESS = 0; +var EXIT_FAILURE = 1; -var SEEK_CUR = 1; -var SEEK_END = 2; -var SEEK_SET = 0; +var SEEK_CUR = 1; +var SEEK_END = 2; +var SEEK_SET = 0; -var buffer8k=function() {return Arr(8800,0)}; +var buffer8k = function() { + return Arr(8800, 0) +}; //fread //size_t fread ( void * ptr, size_t size, size_t count, FILE * stream ); -function fread ( ptr, size, count, stream ) { - ptr.val=new buffer8k();//new Array(); - //todo: size include - - if(stream.data.length= 0; --a) - val = newObjectIt(Arr(AOfLen[a],val)); - return val; +function ArrM(AOfLen, val) { + var a; + var result, resStr = new Array(); + + for (a = (AOfLen.length - 1); a >= 0; --a) + val = newObjectIt(Arr(AOfLen[a], val)); + return val; } /////////////////////////////// //if(!Object.keys) Object.keys = function(o){ //// if (o !== Object(o)) -//// throw new TypeError('Object.keys called on non-object'); +//// throw new TypeError('Object.keys called on non-object'); // var ret=[],p; // for(p in o) if(Object.prototype.hasOwnProperty.call(o,p)) ret.push(p); // return ret; //} // -function create_obj_vals_from_arrayChilds(Obj,Arr) { - var i; - for(i=0;i 0) { - get_ = length < /*sizeof(buf)**/buf.val.length ? length : /*sizeof(buf)**/buf.val.length; - r = ne_io_read(io, buf, get_); - if (r != 1) - break; - length -= get_; - } +function //508 +ne_io_read_skip(io, length) { + var get_ = size_t; + var buf = { + val: buffer_8192 + }; //,char_ + var r = 1; + + while (length > 0) { + get_ = length < /*sizeof(buf)**/ buf.val.length ? length : /*sizeof(buf)**/ buf.val.length; + r = ne_io_read(io, buf, get_); + if (r != 1) + break; + length -= get_; + } - return r; + return r; } function //526 -ne_io_tell(io) -{ - return io.tell(io.userdata); +ne_io_tell(io) { + return io.tell(io.userdata); } function -ne_bare_read_vint(io, value, length, maskflag) -{ - var r=int_; - var b={val:char_}; - var maxlen = 8; - var count = 1, mask = 1 << 7; +ne_bare_read_vint(io, value, length, maskflag) { + var r = int_; + var b = { + val: char_ + }; + var maxlen = 8; + var count = 1, + mask = 1 << 7; - r = ne_io_read(io, b, 1);//&b - if (r != 1) - return r; + r = ne_io_read(io, b, 1); //&b + if (r != 1) + return r; - while (count < maxlen) { - if ((b.val[0] & mask) != 0) - break; - mask >>= 1; - count += 1; - } + while (count < maxlen) { + if ((b.val[0] & mask) != 0) + break; + mask >>= 1; + count += 1; + } - if (length) - length.val = count; - value.val = b.val[0]; + if (length) + length.val = count; + value.val = b.val[0]; - if (maskflag == MASK_FIRST_BIT) - value.val = b.val[0] & ~mask; + if (maskflag == MASK_FIRST_BIT) + value.val = b.val[0] & ~mask; - while (--count) { - r = ne_io_read(io, b, 1);//&b - if (r != 1) - return r; - value.val <<= 8; - value.val |= b.val[0]; - } + while (--count) { + r = ne_io_read(io, b, 1); //&b + if (r != 1) + return r; + value.val <<= 8; + value.val |= b.val[0]; + } - return 1; + return 1; } function -ne_io_read(io, buffer, length) -{ - //io.userdata={val:io.userdata}; - var r = io.read(buffer, length, io.userdata); - //io.userdata=io.userdata.val; - return r; +ne_io_read(io, buffer, length) { + //io.userdata={val:io.userdata}; + var r = io.read(buffer, length, io.userdata); + //io.userdata=io.userdata.val; + return r; } function //569 -ne_read_id(io, value, length) -{ - return ne_bare_read_vint(io, value, length, MASK_NONE); +ne_read_id(io, value, length) { + return ne_bare_read_vint(io, value, length, MASK_NONE); } function -ne_read_vint(io, value, length) -{ - return ne_bare_read_vint(io, value, length, MASK_FIRST_BIT); +ne_read_vint(io, value, length) { + return ne_bare_read_vint(io, value, length, MASK_FIRST_BIT); } function //581 -ne_read_svint(io, value, length) -{ - var r=int_; - var uvalue=[uint64_t]; - var ulength=[uint64_t]; - var svint_subtr = new Array( - 0x3f, 0x1fff, - 0xfffff, 0x7ffffff, - 0x3ffffffff, 0x1ffffffffff, - 0xffffffffffff, 0x7fffffffffffff - ); - - var r = ne_bare_read_vint(io, uvalue, ulength, MASK_FIRST_BIT); - if (r != 1) +ne_read_svint(io, value, length) { + var r = int_; + var uvalue = [uint64_t]; + var ulength = [uint64_t]; + var svint_subtr = new Array( + 0x3f, 0x1fff, + 0xfffff, 0x7ffffff, + 0x3ffffffff, 0x1ffffffffff, + 0xffffffffffff, 0x7fffffffffffff + ); + + var r = ne_bare_read_vint(io, uvalue, ulength, MASK_FIRST_BIT); + if (r != 1) + return r; + value[0] = uvalue - svint_subtr[ulength - 1]; + if (length) + length[0] = ulength; return r; - value[0] = uvalue - svint_subtr[ulength - 1]; - if (length) - length[0] = ulength; - return r; } function //603 -ne_read_uint(io, val, length) -{ - var b={val:char_}; - var r=int_; +ne_read_uint(io, val, length) { + var b = { + val: char_ + }; + var r = int_; - if (length == 0 || length > 8) - return -1; - r = ne_io_read(io, b, 1); - if (r != 1) - return r; - val[0] = b.val[0];//result - while (--length) { + if (length == 0 || length > 8) + return -1; r = ne_io_read(io, b, 1); if (r != 1) - return r; - val[0] <<= 8;//result - val[0] |= b.val[0];//result - } - return 1; + return r; + val[0] = b.val[0]; //result + while (--length) { + r = ne_io_read(io, b, 1); + if (r != 1) + return r; + val[0] <<= 8; //result + val[0] |= b.val[0]; //result + } + return 1; } function //625 -ne_read_int(io, val, length) -{ - var r=int_; - var uval=[uint64_t], base=uint64_t; +ne_read_int(io, val, length) { + var r = int_; + var uval = [uint64_t], + base = uint64_t; - r = ne_read_uint(io, uval, length); - if (r != 1) - return r; + r = ne_read_uint(io, uval, length); + if (r != 1) + return r; - if (length < /*sizeof(int64_t)**/8) { - base = 1; - base <<= length * 8 - 1; - if (uval >= base) { + if (length < /*sizeof(int64_t)**/ 8) { base = 1; - base <<= length * 8; + base <<= length * 8 - 1; + if (uval >= base) { + base = 1; + base <<= length * 8; + } else { + base = 0; + } + val[0] = uval - base; } else { - base = 0; + val[0] = uval; //(int64_t) } - val[0] = uval - base; - } else { - val[0] = uval;//(int64_t) - } - return 1; + return 1; } function //652 -ne_read_float(io, val, length) -{ - var value = {//union - u:[uint64_t], - f:[float_], - d:[double_] - } ; - var r=int_; - - /* length == 10 not implemented */ - if (length != 4 && length != 8) - return -1; - r = ne_read_uint(io, value.u, length); - if (r != 1) - return r; - if (length == 4) - val[0] = value.f = value.u;//'u'+ - else - val[0] = value.d = value.u;//'u'+ - return 1; +ne_read_float(io, val, length) { + var value = { //union + u: [uint64_t], + f: [float_], + d: [double_] + }; + var r = int_; + + /* length == 10 not implemented */ + if (length != 4 && length != 8) + return -1; + r = ne_read_uint(io, value.u, length); + if (r != 1) + return r; + if (length == 4) + val[0] = value.f = value.u; //'u'+ + else + val[0] = value.d = value.u; //'u'+ + return 1; } function //675 -ne_read_string(ctx, val, length) -{ - var str={val:char_};//* - var r=int_; - - if (length == 0 || length > LIMIT_STRING) - return -1; - //str = ne_pool_alloc(length + 1, ctx->alloc_pool); - r = ne_io_read(ctx.io, str, length); - if (r != 1) - return r; - var str2='';for(var i=0;i LIMIT_STRING) + return -1; + //str = ne_pool_alloc(length + 1, ctx->alloc_pool); + r = ne_io_read(ctx.io, str, length); + if (r != 1) + return r; + var str2 = ''; + for (var i = 0; i < length; ++i) str2 += String.fromCharCode(str.val[i]); + str.val = str2; + //str[length] = '\0';//todo: ??? + val[0] = str.val; + return 1; } function //692 -ne_read_binary(ctx, val, length) -{ - if (length == 0 || length > LIMIT_BINARY) - return -1; - val.data = {val:0};//'ne_pool_alloc(length, ctx->alloc_pool)' - val.length = length; - return ne_io_read(ctx.io, val.data, length); +ne_read_binary(ctx, val, length) { + if (length == 0 || length > LIMIT_BINARY) + return -1; + val.data = { + val: 0 + }; //'ne_pool_alloc(length, ctx->alloc_pool)' + val.length = length; + return ne_io_read(ctx.io, val.data, length); } function //702 -ne_get_uint(type, value) -{ - if (!type.read) - return -1; +ne_get_uint(type, value) { + if (!type.read) + return -1; - assert(type.type == TYPE_UINT); + assert(type.type == TYPE_UINT); - value[0] = type.v.u; + value[0] = type.v.u; - return 0; + return 0; } function //728 -ne_get_string(type, value) -{ - if (!type.read) - return -1; +ne_get_string(type, value) { + if (!type.read) + return -1; - assert(type.type == TYPE_STRING); + assert(type.type == TYPE_STRING); - value[0] = type.v.s; + value[0] = type.v.s; - return 0; + return 0; } function //754 -ne_is_ancestor_element(id, ancestor) -{ - //var element;//=new ebml_element_desc();//* +ne_is_ancestor_element(id, ancestor) { + //var element;//=new ebml_element_desc();//* - for (; ancestor; ancestor = ancestor.previous) - for (var element = ancestor.node,element_pos = 0; element[element_pos].id; ++element_pos) - //for (element = ancestor->node; element->id; ++element) - if (element[element_pos].id == id) - return 1; + for (; ancestor; ancestor = ancestor.previous) + for (var element = ancestor.node, element_pos = 0; element[element_pos].id; ++element_pos) + //for (element = ancestor->node; element->id; ++element) + if (element[element_pos].id == id) + return 1; - return 0; + return 0; } function //767 -ne_find_element(id, elements) -{ - //todo: why is this set? -> var element=newObjectI(ebml_element_desc); - //for (element = elements; element.id; ++element) - for (var element = elements,element_pos = 0; element[element_pos].id; ++element_pos) - if (element[element_pos].id == id) - return element[element_pos]; +ne_find_element(id, elements) { + //todo: why is this set? -> var element=newObjectI(ebml_element_desc); + //for (element = elements; element.id; ++element) + for (var element = elements, element_pos = 0; element[element_pos].id; ++element_pos) + if (element[element_pos].id == id) + return element[element_pos]; - return null; + return null; } function //779 -ne_ctx_push(ctx, ancestor, data) -{ - var item_=new list_node();//* +ne_ctx_push(ctx, ancestor, data) { + var item_ = new list_node(); //* - //todo: item_ = ne_alloc(sizeof(item_)); - item_.previous = ctx.ancestor; - item_.node = ancestor; - item_.data = data; - ctx.ancestor = item_; + //todo: item_ = ne_alloc(sizeof(item_)); + item_.previous = ctx.ancestor; + item_.node = ancestor; + item_.data = data; + ctx.ancestor = item_; } function //791 -ne_ctx_pop(ctx) -{ - var item_;//=new list_node();//* +ne_ctx_pop(ctx) { + var item_; //=new list_node();//* - item_ = ctx.ancestor; - ctx.ancestor = item_.previous; - //free(item_); - item_=''; + item_ = ctx.ancestor; + ctx.ancestor = item_.previous; + //free(item_); + item_ = ''; } //827 function -ne_peek_element(ctx, id, size) -{ - var r=int_; +ne_peek_element(ctx, id, size) { + var r = int_; + + if (ctx.last_id && ctx.last_size) { + if (id) + id[0] = ctx.last_id; + if (size) + size[0] = ctx.last_size; + return 1; + } + ctx.last_id = { + val: ctx.last_id + }; + r = ne_read_id(ctx.io, ctx.last_id, null); //&ctx.last_id + ctx.last_id = ctx.last_id.val; + if (r != 1) + return r; + + ctx.last_size = { + val: ctx.last_size + }; + r = ne_read_vint(ctx.io, ctx.last_size, null); + ctx.last_size = ctx.last_size.val; + if (r != 1) + return r; - if (ctx.last_id && ctx.last_size) { if (id) - id[0] = ctx.last_id; + id[0] = ctx.last_id; if (size) - size[0] = ctx.last_size; - return 1; - } - ctx.last_id = {val:ctx.last_id}; - r = ne_read_id(ctx.io, ctx.last_id, null);//&ctx.last_id - ctx.last_id = ctx.last_id.val; - if (r != 1) - return r; + size[0] = ctx.last_size; - ctx.last_size = {val:ctx.last_size}; - r = ne_read_vint(ctx.io, ctx.last_size, null); - ctx.last_size = ctx.last_size.val; - if (r != 1) - return r; - - if (id) - id[0] = ctx.last_id; - if (size) - size[0] = ctx.last_size; - - return 1; + return 1; } function //856 -ne_read_element(ctx, id, size) -{ - var r=int_; +ne_read_element(ctx, id, size) { + var r = int_; - r = ne_peek_element(ctx, id, size); - if (r != 1) - return r; + r = ne_peek_element(ctx, id, size); + if (r != 1) + return r; - ctx.last_id = 0; - ctx.last_size = 0; + ctx.last_id = 0; + ctx.last_size = 0; - return 1; + return 1; } function //871 -ne_read_master(ctx, desc) -{ - var list; //todo must it set? //*=new ebml_list() - var node=new ebml_list_node(), oldtail;//*=new ebml_list_node() +ne_read_master(ctx, desc) { + var list; //todo must it set? //*=new ebml_list() + var node = new ebml_list_node(), + oldtail; //*=new ebml_list_node() - assert(desc.type == TYPE_MASTER && desc.flags & DESC_FLAG_MULTI); + assert(desc.type == TYPE_MASTER && desc.flags & DESC_FLAG_MULTI); -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "multi master element %llx (%s)", -// desc.id, desc.name); -if (!!ctx.ancestor.data[desc.offset]) - list = (ctx.ancestor.data[desc.offset]);// (struct ebml_list *) + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "multi master element %llx (%s)", + // desc.id, desc.name); + if (!!ctx.ancestor.data[desc.offset]) + list = (ctx.ancestor.data[desc.offset]); // (struct ebml_list *) - //node = ne_pool_alloc(sizeof(*node), ctx->alloc_pool); - node.id = desc.id; - node.data = new window[desc.offset]();//newObjectI(ebml_list);//'ne_pool_alloc(desc.size, ctx.alloc_pool)'; + //node = ne_pool_alloc(sizeof(*node), ctx->alloc_pool); + node.id = desc.id; + node.data = new window[desc.offset](); //newObjectI(ebml_list);//'ne_pool_alloc(desc.size, ctx.alloc_pool)'; - oldtail = list.tail; - if (oldtail) - oldtail.next = node; - list.tail = node; - if (!list.head) - list.head = node; + oldtail = list.tail; + if (oldtail) + oldtail.next = node; + list.tail = node; + if (!list.head) + list.head = node; -// ctx.log(ctx, NESTEGG_LOG_DEBUG, " -> using data %p", node.data); + // ctx.log(ctx, NESTEGG_LOG_DEBUG, " -> using data %p", node.data); - ne_ctx_push(ctx, desc.children, node.data); + ne_ctx_push(ctx, desc.children, node.data); } function //900 -ne_read_single_master(ctx, desc) -{ - assert(desc.type == TYPE_MASTER && !(desc.flags & DESC_FLAG_MULTI)); +ne_read_single_master(ctx, desc) { + assert(desc.type == TYPE_MASTER && !(desc.flags & DESC_FLAG_MULTI)); -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "single master element %llx (%s)", -// desc.id, desc.name); -// ctx.log(ctx, NESTEGG_LOG_DEBUG, " -> using data %p (%u)", -// ctx.ancestor.data + desc.offset, desc.offset); + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "single master element %llx (%s)", + // desc.id, desc.name); + // ctx.log(ctx, NESTEGG_LOG_DEBUG, " -> using data %p (%u)", + // ctx.ancestor.data + desc.offset, desc.offset); - ne_ctx_push(ctx, desc.children, ctx.ancestor.data[desc.offset]); + ne_ctx_push(ctx, desc.children, ctx.ancestor.data[desc.offset]); } function //913 -ne_read_simple(ctx, desc, length) -{ - var storage; //*=new ebml_type() - var r=int_; -if (!!ctx.ancestor.data[desc.offset]) - storage = (ctx.ancestor.data[desc.offset]);//todo: (struct ebml_type *) - - if (storage.read) { -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) already read, skipping", -// desc.id, desc.name); - return 0; - } - - storage.type = desc.type; - -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) -> %p (%u)", -// desc.id, desc.name, storage, desc.offset); - - r = -1; - - switch (desc.type) {//second value with "&" return value - case TYPE_UINT: - storage.v.u=[storage.v.u]; - r = ne_read_uint(ctx.io, storage.v.u, length); - storage.v.u=storage.v.u[0]; - break; - case TYPE_FLOAT: - storage.v.f=[storage.v.f]; - r = ne_read_float(ctx.io, storage.v.f, length); - storage.v.f=storage.v.f[0]; - break; - case TYPE_INT: - storage.v.i=[storage.v.i]; - r = ne_read_int(ctx.io, storage.v.i, length); - storage.v.i=storage.v.i[0]; - break; - case TYPE_STRING: - storage.v.s=[storage.v.s]; - r = ne_read_string(ctx, storage.v.s, length); - storage.v.s=storage.v.s[0]; - break; - case TYPE_BINARY: - //storage.v.b=[storage.v.b]; - r = ne_read_binary(ctx, storage.v.b, length); - break; - case TYPE_MASTER: - case TYPE_UNKNOWN: - assert(0); - break; - } +ne_read_simple(ctx, desc, length) { + var storage; //*=new ebml_type() + var r = int_; + if (!!ctx.ancestor.data[desc.offset]) + storage = (ctx.ancestor.data[desc.offset]); //todo: (struct ebml_type *) + + if (storage.read) { + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) already read, skipping", + // desc.id, desc.name); + return 0; + } + + storage.type = desc.type; + + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "element %llx (%s) -> %p (%u)", + // desc.id, desc.name, storage, desc.offset); + + r = -1; + + switch (desc.type) { //second value with "&" return value + case TYPE_UINT: + storage.v.u = [storage.v.u]; + r = ne_read_uint(ctx.io, storage.v.u, length); + storage.v.u = storage.v.u[0]; + break; + case TYPE_FLOAT: + storage.v.f = [storage.v.f]; + r = ne_read_float(ctx.io, storage.v.f, length); + storage.v.f = storage.v.f[0]; + break; + case TYPE_INT: + storage.v.i = [storage.v.i]; + r = ne_read_int(ctx.io, storage.v.i, length); + storage.v.i = storage.v.i[0]; + break; + case TYPE_STRING: + storage.v.s = [storage.v.s]; + r = ne_read_string(ctx, storage.v.s, length); + storage.v.s = storage.v.s[0]; + break; + case TYPE_BINARY: + //storage.v.b=[storage.v.b]; + r = ne_read_binary(ctx, storage.v.b, length); + break; + case TYPE_MASTER: + case TYPE_UNKNOWN: + assert(0); + break; + } - if (r == 1) - storage.read = 1; + if (r == 1) + storage.read = 1; - return r; + return r; } function //962 -ne_parse(ctx, top_level) -{ - var r=int_; - var data_offset=int64_t;//* - var id=[uint64_t], size=[uint64_t]; - var element;//=new ebml_element_desc();//* +ne_parse(ctx, top_level) { + var r = int_; + var data_offset = int64_t; //* + var id = [uint64_t], + size = [uint64_t]; + var element; //=new ebml_element_desc();//* + + /* loop until we need to return: + - hit suspend point + - parse complete + - error occurred */ + + /* loop over elements at current level reading them if sublevel found, + push ctx onto stack and continue if sublevel ended, pop ctx off stack + and continue */ + + if (!ctx.ancestor) + return -1; + //var aa=0; + while (1) { //for (;;) {//aa++; + r = ne_peek_element(ctx, id, size); + if (r != 1) + break; - /* loop until we need to return: - - hit suspend point - - parse complete - - error occurred */ + element = ne_find_element(id[0], ctx.ancestor.node); + if (element) { + if (element.flags & DESC_FLAG_SUSPEND) { + assert(element.type == TYPE_BINARY); + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "suspend parse at %llx", id[0]); + r = 1; + break; + } - /* loop over elements at current level reading them if sublevel found, - push ctx onto stack and continue if sublevel ended, pop ctx off stack - and continue */ + r = ne_read_element(ctx, id, size); + if (r != 1) + break; - if (!ctx.ancestor) - return -1; -//var aa=0; - while(1) {//for (;;) {//aa++; - r = ne_peek_element(ctx, id, size); - if (r != 1) - break; - - element = ne_find_element(id[0], ctx.ancestor.node); - if (element) { - if (element.flags & DESC_FLAG_SUSPEND) { - assert(element.type == TYPE_BINARY); -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "suspend parse at %llx", id[0]); - r = 1; - break; - } - - r = ne_read_element(ctx, id, size); - if (r != 1) - break; - - if (element.flags & DESC_FLAG_OFFSET) { - data_offset = (ctx.ancestor.data[element.data_offset])={v:null};//(int64_t *) - data_offset.v = ne_io_tell(ctx.io);//* - if (data_offset < 0) { - r = -1; - break; - } - } + if (element.flags & DESC_FLAG_OFFSET) { + data_offset = (ctx.ancestor.data[element.data_offset]) = { + v: null + }; //(int64_t *) + data_offset.v = ne_io_tell(ctx.io); //* + if (data_offset < 0) { + r = -1; + break; + } + } - if (element.type == TYPE_MASTER) { - if (element.flags & DESC_FLAG_MULTI) - ne_read_master(ctx, element); - else - ne_read_single_master(ctx, element); - continue; - } else { - r = ne_read_simple(ctx, element, size[0]); - if (r < 0) - break; - } - } else if (ne_is_ancestor_element(id, ctx.ancestor.previous)) { -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "parent element %llx", id); - if (top_level && ctx.ancestor.node == top_level) { -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "*** parse about to back up past top_level"); - r = 1; - break; - } - ne_ctx_pop(ctx); - } else { - r = ne_read_element(ctx, id, size); - if (r != 1) - break; + if (element.type == TYPE_MASTER) { + if (element.flags & DESC_FLAG_MULTI) + ne_read_master(ctx, element); + else + ne_read_single_master(ctx, element); + continue; + } else { + r = ne_read_simple(ctx, element, size[0]); + if (r < 0) + break; + } + } else if (ne_is_ancestor_element(id, ctx.ancestor.previous)) { + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "parent element %llx", id); + if (top_level && ctx.ancestor.node == top_level) { + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "*** parse about to back up past top_level"); + r = 1; + break; + } + ne_ctx_pop(ctx); + } else { + r = ne_read_element(ctx, id, size); + if (r != 1) + break; -// if (id != ID_VOID && id != ID_CRC32) -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "unknown element %llx", id); - r = ne_io_read_skip(ctx.io, size[0]); - if (r != 1) - break; + // if (id != ID_VOID && id != ID_CRC32) + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "unknown element %llx", id); + r = ne_io_read_skip(ctx.io, size[0]); + if (r != 1) + break; + } } - } - if (r != 1) - while (ctx.ancestor) - ne_ctx_pop(ctx); + if (r != 1) + while (ctx.ancestor) + ne_ctx_pop(ctx); - return r; + return r; } function //1067 -ne_read_xiph_lace_value(io, value, value_off, consumed) -{ - var r=int_; - var lace=[uint64_t]; +ne_read_xiph_lace_value(io, value, value_off, consumed) { + var r = int_; + var lace = [uint64_t]; - r = ne_read_uint(io, lace, 1); - if (r != 1) - return r; - consumed[0] += 1; - - value[value_off+ 0] = lace[0]; - while (lace[0] == 255) { r = ne_read_uint(io, lace, 1); if (r != 1) - return r; + return r; consumed[0] += 1; - value[value_off+ 0] += lace[0]; - } - return 1; + value[value_off + 0] = lace[0]; + while (lace[0] == 255) { + r = ne_read_uint(io, lace, 1); + if (r != 1) + return r; + consumed[0] += 1; + value[value_off + 0] += lace[0]; + } + + return 1; } function // 1090 -ne_read_xiph_lacing(io, block, read, n, sizes) -{ - var r=int_; - var i = 0; - var sum = 0; - - while (--n) { - r = ne_read_xiph_lace_value(io, sizes, i, read); - if (r != 1) - return r; - sum += sizes[i]; - i += 1; - } +ne_read_xiph_lacing(io, block, read, n, sizes) { + var r = int_; + var i = 0; + var sum = 0; + + while (--n) { + r = ne_read_xiph_lace_value(io, sizes, i, read); + if (r != 1) + return r; + sum += sizes[i]; + i += 1; + } - if (read[0] + sum > block) - return -1; + if (read[0] + sum > block) + return -1; - /* last frame is the remainder of the block */ - sizes[i] = block - read[0] - sum; - return 1; + /* last frame is the remainder of the block */ + sizes[i] = block - read[0] - sum; + return 1; } function //1113 -ne_read_ebml_lacing(io, block, read, n, sizes) -{ - var r=int_; - var lace=[uint64_t], sum=uint64_t, length=[uint64_t]; - var slace=[int64_t]; - var i = 0; - - r = ne_read_vint(io, lace, length); - if (r != 1) - return r; - read[0] += length[0]; - - sizes[i] = lace[0]; - sum = sizes[i]; - - i += 1; - n -= 1; +ne_read_ebml_lacing(io, block, read, n, sizes) { + var r = int_; + var lace = [uint64_t], + sum = uint64_t, + length = [uint64_t]; + var slace = [int64_t]; + var i = 0; - while (--n) { - r = ne_read_svint(io, slace, length); + r = ne_read_vint(io, lace, length); if (r != 1) - return r; + return r; read[0] += length[0]; - sizes[i] = sizes[i - 1] + slace[0]; - sum += sizes[i]; + + sizes[i] = lace[0]; + sum = sizes[i]; + i += 1; - } + n -= 1; + + while (--n) { + r = ne_read_svint(io, slace, length); + if (r != 1) + return r; + read[0] += length[0]; + sizes[i] = sizes[i - 1] + slace[0]; + sum += sizes[i]; + i += 1; + } - if (read[0] + sum > block) - return -1; + if (read[0] + sum > block) + return -1; - /* last frame is the remainder of the block */ - sizes[i] = block - read[0] - sum; - return 1; + /* last frame is the remainder of the block */ + sizes[i] = block - read[0] - sum; + return 1; } function //1150 -ne_get_timecode_scale(ctx) -{ - var scale=[uint64_t]; +ne_get_timecode_scale(ctx) { + var scale = [uint64_t]; - if (ne_get_uint(ctx.segment.info.timecode_scale, scale) != 0) - scale[0] = 1000000; + if (ne_get_uint(ctx.segment.info.timecode_scale, scale) != 0) + scale[0] = 1000000; - return scale[0]; + return scale[0]; } function //1161 -ne_find_track_entry(ctx, track) -{ - //struct ebml_list_node * node; - var tracks = 0; - - var node = ctx.segment.tracks.track_entry.head; - while (node) { - assert(node.id == ID_TRACK_ENTRY); - if (track == tracks) - return node.data; - tracks += 1; - node = node.next; - } +ne_find_track_entry(ctx, track) { + //struct ebml_list_node * node; + var tracks = 0; + + var node = ctx.segment.tracks.track_entry.head; + while (node) { + assert(node.id == ID_TRACK_ENTRY); + if (track == tracks) + return node.data; + tracks += 1; + node = node.next; + } - return null; + return null; } -var frame_sizes_256=Arr(256,0); +var frame_sizes_256 = Arr(256, 0); + function //1179 -ne_read_block(ctx, block_id, block_size, data)//nestegg_packet ** data -{ - var r=int_; - var timecode=[int64_t], abs_timecode=int64_t; - var pkt;//*=new nestegg_packet() - var cluster;//=new cluster(); - var f, last;//=new frame()=new frame() - var entry;//=new track_entry() - var track_scale=double_; - var track={val:uint64_t}, length={val:uint64_t}, frame_sizes=frame_sizes_256, cluster_tc=[uint64_t], flags=[uint64_t], frames=[uint64_t], tc_scale=uint64_t, total=uint64_t;//,uint64_t - var i=int_, lacing=int_; - var consumed = [0]; - - data[0] = null; - - if (block_size > LIMIT_BLOCK) - return -1; +ne_read_block(ctx, block_id, block_size, data) //nestegg_packet ** data +{ + var r = int_; + var timecode = [int64_t], + abs_timecode = int64_t; + var pkt; //*=new nestegg_packet() + var cluster; //=new cluster(); + var f, last; //=new frame()=new frame() + var entry; //=new track_entry() + var track_scale = double_; + var track = { + val: uint64_t + }, + length = { + val: uint64_t + }, + frame_sizes = frame_sizes_256, + cluster_tc = [uint64_t], + flags = [uint64_t], + frames = [uint64_t], + tc_scale = uint64_t, + total = uint64_t; //,uint64_t + var i = int_, + lacing = int_; + var consumed = [0]; + + data[0] = null; + + if (block_size > LIMIT_BLOCK) + return -1; + + r = ne_read_vint(ctx.io, track, length); + if (r != 1) + return r; - r = ne_read_vint(ctx.io, track, length); - if (r != 1) - return r; + if (track.val == 0 || track.val > ctx.track_count) + return -1; - if (track.val == 0 || track.val > ctx.track_count) - return -1; + consumed[0] += length.val; - consumed[0] += length.val; + r = ne_read_int(ctx.io, timecode, 2); + if (r != 1) + return r; - r = ne_read_int(ctx.io, timecode, 2); - if (r != 1) - return r; + consumed[0] += 2; - consumed[0] += 2; + r = ne_read_uint(ctx.io, flags, 1); + if (r != 1) + return r; - r = ne_read_uint(ctx.io, flags, 1); - if (r != 1) - return r; + consumed[0] += 1; - consumed[0] += 1; + frames[0] = 0; - frames[0] = 0; + /* flags are different between block and simpleblock, but lacing is + encoded the same way */ + lacing = (flags[0] & BLOCK_FLAGS_LACING) >> 1; - /* flags are different between block and simpleblock, but lacing is - encoded the same way */ - lacing = (flags[0] & BLOCK_FLAGS_LACING) >> 1; + switch (lacing) { + case LACING_NONE: + frames[0] = 1; + break; + case LACING_XIPH: + case LACING_FIXED: + case LACING_EBML: + r = ne_read_uint(ctx.io, frames, 1); + if (r != 1) + return r; + consumed[0] += 1; + frames[0] += 1; + } - switch (lacing) { - case LACING_NONE: - frames[0] = 1; - break; - case LACING_XIPH: - case LACING_FIXED: - case LACING_EBML: - r = ne_read_uint(ctx.io, frames, 1); - if (r != 1) - return r; - consumed[0] += 1; - frames[0] += 1; - } + if (frames[0] > 256) + return -1; - if (frames[0] > 256) - return -1; + switch (lacing) { + case LACING_NONE: + frame_sizes[0] = block_size - consumed[0]; + break; + case LACING_XIPH: + if (frames == 1) + return -1; + r = ne_read_xiph_lacing(ctx.io, block_size, consumed, frames, frame_sizes); + if (r != 1) + return r; + break; + case LACING_FIXED: + if ((block_size - consumed[0]) % frames[0]) + return -1; + for (i = 0; i < frames[0]; ++i) + frame_sizes[i] = ((block_size - consumed[0]) / frames) >> 0; //todo: parseInt add + break; + case LACING_EBML: + if (frames[0] == 1) + return -1; + r = ne_read_ebml_lacing(ctx.io, block_size, consumed, frames, frame_sizes); + if (r != 1) + return r; + break; + } - switch (lacing) { - case LACING_NONE: - frame_sizes[0] = block_size - consumed[0]; - break; - case LACING_XIPH: - if (frames == 1) - return -1; - r = ne_read_xiph_lacing(ctx.io, block_size, consumed, frames, frame_sizes); - if (r != 1) - return r; - break; - case LACING_FIXED: - if ((block_size - consumed[0]) % frames[0]) - return -1; + /* sanity check unlaced frame sizes against total block size. */ + total = consumed[0]; for (i = 0; i < frames[0]; ++i) - frame_sizes[i] = ((block_size - consumed[0]) / frames)>>0;//todo: parseInt add - break; - case LACING_EBML: - if (frames[0] == 1) - return -1; - r = ne_read_ebml_lacing(ctx.io, block_size, consumed, frames, frame_sizes); - if (r != 1) - return r; - break; - } - - /* sanity check unlaced frame sizes against total block size. */ - total = consumed[0]; - for (i = 0; i < frames[0]; ++i) - total += frame_sizes[i]; - if (total > block_size) - return -1; + total += frame_sizes[i]; + if (total > block_size) + return -1; - entry = ne_find_track_entry(ctx, track.val - 1); - if (!entry) - return -1; + entry = ne_find_track_entry(ctx, track.val - 1); + if (!entry) + return -1; - track_scale = 1.0; + track_scale = 1.0; - tc_scale = ne_get_timecode_scale(ctx); + tc_scale = ne_get_timecode_scale(ctx); - assert(ctx.segment.cluster.tail.id == ID_CLUSTER); - cluster = ctx.segment.cluster.tail.data; - if (ne_get_uint(cluster.timecode, cluster_tc) != 0) - return -1; + assert(ctx.segment.cluster.tail.id == ID_CLUSTER); + cluster = ctx.segment.cluster.tail.data; + if (ne_get_uint(cluster.timecode, cluster_tc) != 0) + return -1; - abs_timecode = timecode[0] + cluster_tc[0]; - if (abs_timecode < 0) - return -1; + abs_timecode = timecode[0] + cluster_tc[0]; + if (abs_timecode < 0) + return -1; - //todo: pkt = ne_alloc(sizeof(*pkt)); - pkt=new nestegg_packet();//* - pkt.track = track.val - 1; - pkt.timecode = abs_timecode * tc_scale * track_scale; - -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "%sblock t %lld pts %f f %llx frames: %llu", -// block_id == ID_BLOCK ? "" : "simple", pkt.track, pkt.timecode / 1e9, flags, frames); - - last = null; - for (i = 0; i < frames[0]; ++i) { - if (frame_sizes[i] > LIMIT_FRAME) { - nestegg_free_packet(pkt); - return -1; - } - //todo: f = ne_alloc(sizeof(*f)); - f=new frame(); - f.data = []/*'reserved space '+*///frame_sizes[i];//frame_sizes[i];//'ne_alloc(frame_sizes[i])'; - f.length = frame_sizes[i]; - f.data={val:f.data}; - r = ne_io_read(ctx.io, f.data, frame_sizes[i]);f.data=f.data.val; - if (r != 1) { - //free(f.data); - f.data=null; - //free(f); - f=null; - nestegg_free_packet(pkt); - return -1; - } + //todo: pkt = ne_alloc(sizeof(*pkt)); + pkt = new nestegg_packet(); //* + pkt.track = track.val - 1; + pkt.timecode = abs_timecode * tc_scale * track_scale; - if (!last) - pkt.frame = f; - else - last.next = f; - last = f; - } + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "%sblock t %lld pts %f f %llx frames: %llu", + // block_id == ID_BLOCK ? "" : "simple", pkt.track, pkt.timecode / 1e9, flags, frames); + + last = null; + for (i = 0; i < frames[0]; ++i) { + if (frame_sizes[i] > LIMIT_FRAME) { + nestegg_free_packet(pkt); + return -1; + } + //todo: f = ne_alloc(sizeof(*f)); + f = new frame(); + f.data = [] /*'reserved space '+*/ //frame_sizes[i];//frame_sizes[i];//'ne_alloc(frame_sizes[i])'; + f.length = frame_sizes[i]; + f.data = { + val: f.data + }; + r = ne_io_read(ctx.io, f.data, frame_sizes[i]); + f.data = f.data.val; + if (r != 1) { + //free(f.data); + f.data = null; + //free(f); + f = null; + nestegg_free_packet(pkt); + return -1; + } + + if (!last) + pkt.frame = f; + else + last.next = f; + last = f; + } - data[0] = pkt; + data[0] = pkt; - return 1; + return 1; } //ne_null_log_callback(nestegg * ctx, unsigned int severity, char const * fmt, ...) function ne_null_log_callback(ctx, severity, fmt, ppp) //todo fmt[ptr]? { - if (ctx && severity && fmt) - return; + if (ctx && severity && fmt) + return; } function //1354 -ne_is_suspend_element(id) -{ - /* this could search the tree of elements for DESC_FLAG_SUSPEND */ - if (id == ID_SIMPLE_BLOCK || id == ID_BLOCK) - return 1; - return 0; +ne_is_suspend_element(id) { + /* this could search the tree of elements for DESC_FLAG_SUSPEND */ + if (id == ID_SIMPLE_BLOCK || id == ID_BLOCK) + return 1; + return 0; } -var ctx_=new nestegg(); +var ctx_ = new nestegg(); //1410 function -nestegg_init(context, io, callback) -{ - var r=int_; - var id=[0], version=[0], docversion=[uint64_t]; - var track;//*=new ebml_list_node() - var doctype=[char_];//* - var ctx = ctx_;//todo: null * +nestegg_init(context, io, callback) { + var r = int_; + var id = [0], + version = [0], + docversion = [uint64_t]; + var track; //*=new ebml_list_node() + var doctype = [char_]; //* + var ctx = ctx_; //todo: null * - if (!(io.read && io.seek && io.tell)) - return -1; + if (!(io.read && io.seek && io.tell)) + return -1; - //todo: ctx = ne_alloc(sizeof(ctx));//* + //todo: ctx = ne_alloc(sizeof(ctx));//* - //todo: ctx.io = ne_alloc(sizeof(*ctx->io)); - ctx.io = io;//* -// ctx.log = callback; - ctx.alloc_pool = ne_pool_init(); + //todo: ctx.io = ne_alloc(sizeof(*ctx->io)); + ctx.io = io; //* + // ctx.log = callback; + ctx.alloc_pool = ne_pool_init(); -// if (!ctx.log) -// ctx.log = ne_null_log_callback; + // if (!ctx.log) + // ctx.log = ne_null_log_callback; - r = ne_peek_element(ctx, id, null); - if (r != 1) { - nestegg_destroy(ctx); - return -1; - } + r = ne_peek_element(ctx, id, null); + if (r != 1) { + nestegg_destroy(ctx); + return -1; + } - if (id[0] != ID_EBML) { - nestegg_destroy(ctx); - return -1; - } + if (id[0] != ID_EBML) { + nestegg_destroy(ctx); + return -1; + } -// ctx.log(ctx, NESTEGG_LOG_DEBUG, "ctx %p", ctx); + // ctx.log(ctx, NESTEGG_LOG_DEBUG, "ctx %p", ctx); - ne_ctx_push(ctx, ne_top_level_elements, ctx); + ne_ctx_push(ctx, ne_top_level_elements, ctx); - r = ne_parse(ctx, null); + r = ne_parse(ctx, null); - if (r != 1) { - nestegg_destroy(ctx); - return -1; - } + if (r != 1) { + nestegg_destroy(ctx); + return -1; + } - if (ne_get_uint(ctx.ebml.ebml_read_version, version) != 0) - version = 1; - if (version[0] != 1) { - nestegg_destroy(ctx); - return -1; - } + if (ne_get_uint(ctx.ebml.ebml_read_version, version) != 0) + version = 1; + if (version[0] != 1) { + nestegg_destroy(ctx); + return -1; + } - if (ne_get_string(ctx.ebml.doctype, doctype) != 0) - doctype[0] = "matroska"; - if (strcmp(doctype[0], "webm") != 0) { - nestegg_destroy(ctx); - return -1; - } + if (ne_get_string(ctx.ebml.doctype, doctype) != 0) + doctype[0] = "matroska"; + if (strcmp(doctype[0], "webm") != 0) { + nestegg_destroy(ctx); + return -1; + } - if (ne_get_uint(ctx.ebml.doctype_read_version, docversion) != 0) - docversion[0] = 1; - if (docversion[0] < 1 || docversion[0] > 2) { - nestegg_destroy(ctx); - return -1; - } + if (ne_get_uint(ctx.ebml.doctype_read_version, docversion) != 0) + docversion[0] = 1; + if (docversion[0] < 1 || docversion[0] > 2) { + nestegg_destroy(ctx); + return -1; + } - if (!ctx.segment.tracks.track_entry.head) { - nestegg_destroy(ctx); - return -1; - } + if (!ctx.segment.tracks.track_entry.head) { + nestegg_destroy(ctx); + return -1; + } - track = ctx.segment.tracks.track_entry.head; - ctx.track_count = 0; + track = ctx.segment.tracks.track_entry.head; + ctx.track_count = 0; - while (track) { - ctx.track_count += 1; - track = track.next; - } + while (track) { + ctx.track_count += 1; + track = track.next; + } - context[0]=ctx; + context[0] = ctx; - return 0; + return 0; } function //1494 -nestegg_destroy(ctx) -{ - /*alert('todo:nestegg_destroy()'); - +nestegg_destroy(ctx) { + /*alert('todo:nestegg_destroy()'); + while (ctx->ancestor) ne_ctx_pop(ctx); ne_pool_destroy(ctx->alloc_pool); @@ -1802,201 +1846,194 @@ nestegg_destroy(ctx) } function //1525 -nestegg_track_count(ctx, tracks) -{ - tracks[0] = ctx.track_count; - return 0; +nestegg_track_count(ctx, tracks) { + tracks[0] = ctx.track_count; + return 0; } function //1634 -nestegg_track_type(ctx, track) -{ - //struct track_entry * entry; - var type=[uint64_t]; +nestegg_track_type(ctx, track) { + //struct track_entry * entry; + var type = [uint64_t]; - var entry = ne_find_track_entry(ctx, track); - if (!entry) - return -1; + var entry = ne_find_track_entry(ctx, track); + if (!entry) + return -1; - if (ne_get_uint(entry.type, type) != 0) - return -1; + if (ne_get_uint(entry.type, type) != 0) + return -1; - if (type[0] & TRACK_TYPE_VIDEO) - return NESTEGG_TRACK_VIDEO; + if (type[0] & TRACK_TYPE_VIDEO) + return NESTEGG_TRACK_VIDEO; - if (type[0] & TRACK_TYPE_AUDIO) - return NESTEGG_TRACK_AUDIO; + if (type[0] & TRACK_TYPE_AUDIO) + return NESTEGG_TRACK_AUDIO; - return -1; + return -1; } function //1656 -nestegg_track_codec_id(ctx, track) -{ - var codec_id=[char_];//* - //struct track_entry * entry; +nestegg_track_codec_id(ctx, track) { + var codec_id = [char_]; //* + //struct track_entry * entry; - var entry = ne_find_track_entry(ctx, track); - if (!entry) - return -1; + var entry = ne_find_track_entry(ctx, track); + if (!entry) + return -1; - if (ne_get_string(entry.codec_id, codec_id) != 0) - return -1; + if (ne_get_string(entry.codec_id, codec_id) != 0) + return -1; - if (strcmp(codec_id[0], TRACK_ID_VP8) == 0) - return NESTEGG_CODEC_VP8; + if (strcmp(codec_id[0], TRACK_ID_VP8) == 0) + return NESTEGG_CODEC_VP8; - if (strcmp(codec_id[0], TRACK_ID_VORBIS) == 0) - return NESTEGG_CODEC_VORBIS; + if (strcmp(codec_id[0], TRACK_ID_VORBIS) == 0) + return NESTEGG_CODEC_VORBIS; - return -1; + return -1; } function //1759 nestegg_track_video_params(ctx, track, - params) -{ - //struct track_entry * entry; - var value=[uint64_t]; + params) { + //struct track_entry * entry; + var value = [uint64_t]; - //todo: memset(params, 0, sizeof(params)); + //todo: memset(params, 0, sizeof(params)); - var entry = ne_find_track_entry(ctx, track); - if (!entry) - return -1; + var entry = ne_find_track_entry(ctx, track); + if (!entry) + return -1; - if (nestegg_track_type(ctx, track) != NESTEGG_TRACK_VIDEO) - return -1; + if (nestegg_track_type(ctx, track) != NESTEGG_TRACK_VIDEO) + return -1; - if (ne_get_uint(entry.video.pixel_width, value) != 0) - return -1; - params.width = value[0]; + if (ne_get_uint(entry.video.pixel_width, value) != 0) + return -1; + params.width = value[0]; - if (ne_get_uint(entry.video.pixel_height, value) != 0) - return -1; - params.height = value[0]; + if (ne_get_uint(entry.video.pixel_height, value) != 0) + return -1; + params.height = value[0]; - value[0] = 0; - ne_get_uint(entry.video.pixel_crop_bottom, value); - params.crop_bottom = value[0]; + value[0] = 0; + ne_get_uint(entry.video.pixel_crop_bottom, value); + params.crop_bottom = value[0]; - value[0] = 0; - ne_get_uint(entry.video.pixel_crop_top, value); - params.crop_top = value[0]; + value[0] = 0; + ne_get_uint(entry.video.pixel_crop_top, value); + params.crop_top = value[0]; - value[0] = 0; - ne_get_uint(entry.video.pixel_crop_left, value); - params.crop_left = value[0]; + value[0] = 0; + ne_get_uint(entry.video.pixel_crop_left, value); + params.crop_left = value[0]; - value[0] = 0; - ne_get_uint(entry.video.pixel_crop_right, value); - params.crop_right = value[0]; + value[0] = 0; + ne_get_uint(entry.video.pixel_crop_right, value); + params.crop_right = value[0]; - value[0] = params.width; - ne_get_uint(entry.video.display_width, value); - params.display_width = value[0]; + value[0] = params.width; + ne_get_uint(entry.video.display_width, value); + params.display_width = value[0]; - value[0] = params.height; - ne_get_uint(entry.video.display_height, value); - params.display_height = value[0]; + value[0] = params.height; + ne_get_uint(entry.video.display_height, value); + params.display_height = value[0]; - return 0; + return 0; } function //1840 -nestegg_read_packet(ctx, pkt) -{ - var r=int_; - var id=[uint64_t], size=[uint64_t]; - - pkt[0] = null; - - while(1) {//for (;;) { - r = ne_peek_element(ctx, id, size); - if (r != 1) - return r; - - /* any suspend fields must be handled here */ - if (ne_is_suspend_element(id)) { - r = ne_read_element(ctx, id, size); - if (r != 1) - return r; +nestegg_read_packet(ctx, pkt) { + var r = int_; + var id = [uint64_t], + size = [uint64_t]; + + pkt[0] = null; + + while (1) { //for (;;) { + r = ne_peek_element(ctx, id, size); + if (r != 1) + return r; + + /* any suspend fields must be handled here */ + if (ne_is_suspend_element(id)) { + r = ne_read_element(ctx, id, size); + if (r != 1) + return r; + + /* the only suspend fields are blocks and simple blocks, which we + handle directly. */ + r = ne_read_block(ctx, id, size[0], pkt); + return r; + } - /* the only suspend fields are blocks and simple blocks, which we - handle directly. */ - r = ne_read_block(ctx, id, size[0], pkt); - return r; + r = ne_parse(ctx, null); + if (r != 1) + return r; } - r = ne_parse(ctx, null); - if (r != 1) - return r; - } - - return 1; + // return 1; } function //1873 -nestegg_free_packet(pkt) -{ - var frame;//=new frame();//* - - while (pkt.frame) { - frame = pkt.frame; - pkt.frame = frame.next; - //free(frame.data); - frame.data=''; - //free(frame); - frame=''; - } +nestegg_free_packet(pkt) { + var frame; //=new frame();//* + + while (pkt.frame) { + frame = pkt.frame; + pkt.frame = frame.next; + //free(frame.data); + frame.data = ''; + //free(frame); + frame = ''; + } - //free(pkt); - pkt=''; + //free(pkt); + pkt = ''; } function //1888 -nestegg_packet_track(pkt, track) -{ - track[0] = pkt[0].track;//todo add 0, is this the best solution? - return 0; +nestegg_packet_track(pkt, track) { + track[0] = pkt[0].track; //todo add 0, is this the best solution? + return 0; } function //1902 -nestegg_packet_count(pkt, count) -{ - var f = pkt[0].frame;//todo: best solution?? //* +nestegg_packet_count(pkt, count) { + var f = pkt[0].frame; //todo: best solution?? //* - count[0] = 0; + count[0] = 0; - while (f) { - count[0] += 1; - f = f.next; - } + while (f) { + count[0] += 1; + f = f.next; + } - return 0; + return 0; } function //1917 nestegg_packet_data(pkt, item_, - data, length) //todo: data_off??? + data, length) //todo: data_off??? { - var f = pkt[0].frame;//todo: best solution?? - var count = 0; + var f = pkt[0].frame; //todo: best solution?? + var count = 0; - data[0] = null; - length[0] = 0; + data[0] = null; + length[0] = 0; - while (f) { - if (count == item_) { - data[0] = f.data;//data_off??? - length[0] = f.length; - return 0; + while (f) { + if (count == item_) { + data[0] = f.data; //data_off??? + length[0] = f.length; + return 0; + } + count += 1; + f = f.next; } - count += 1; - f = f.next; - } - return -1; + return -1; } @@ -2004,80 +2041,98 @@ nestegg_packet_data(pkt, item_, var VPX_IMAGE_ABI_VERSION = (1); /**<\hideinitializer*/ -var VPX_IMG_FMT_PLANAR = 0x100; /**< Image is a planar format */ -var VPX_IMG_FMT_UV_FLIP = 0x200; /**< V plane precedes U plane in memory */ -var VPX_IMG_FMT_HAS_ALPHA = 0x400; /**< Image has an alpha channel component */ +var VPX_IMG_FMT_PLANAR = 0x100; /**< Image is a planar format */ +var VPX_IMG_FMT_UV_FLIP = 0x200; /**< V plane precedes U plane in memory */ +var VPX_IMG_FMT_HAS_ALPHA = 0x400; /**< Image has an alpha channel component */ - /*!\brief List of supported image formats */ +/*!\brief List of supported image formats */ var - VPX_IMG_FMT_NONE=0, - VPX_IMG_FMT_RGB24=1, /**< 24 bit per pixel packed RGB */ - VPX_IMG_FMT_RGB32=2, /**< 32 bit per pixel packed 0RGB */ - VPX_IMG_FMT_RGB565=3, /**< 16 bit per pixel, 565 */ - VPX_IMG_FMT_RGB555=4, /**< 16 bit per pixel, 555 */ - VPX_IMG_FMT_UYVY=5, /**< UYVY packed YUV */ - VPX_IMG_FMT_YUY2=6, /**< YUYV packed YUV */ - VPX_IMG_FMT_YVYU=7, /**< YVYU packed YUV */ - VPX_IMG_FMT_BGR24=8, /**< 24 bit per pixel packed BGR */ - VPX_IMG_FMT_RGB32_LE=9, /**< 32 bit packed BGR0 */ - VPX_IMG_FMT_ARGB=10, /**< 32 bit packed ARGB, alpha=255 */ - VPX_IMG_FMT_ARGB_LE=11, /**< 32 bit packed BGRA, alpha=255 */ - VPX_IMG_FMT_RGB565_LE=12, /**< 16 bit per pixel, gggbbbbb rrrrrggg */ - VPX_IMG_FMT_RGB555_LE=13, /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */ - VPX_IMG_FMT_YV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */ - VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2, - VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 3, /** < planar 4:2:0 format with vpx color space */ - VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4; /** < planar 4:2:0 format with vpx color space */ - ; /**< alias for enum vpx_img_fmt */ + VPX_IMG_FMT_NONE = 0, + VPX_IMG_FMT_RGB24 = 1, + /**< 24 bit per pixel packed RGB */ + VPX_IMG_FMT_RGB32 = 2, + /**< 32 bit per pixel packed 0RGB */ + VPX_IMG_FMT_RGB565 = 3, + /**< 16 bit per pixel, 565 */ + VPX_IMG_FMT_RGB555 = 4, + /**< 16 bit per pixel, 555 */ + VPX_IMG_FMT_UYVY = 5, + /**< UYVY packed YUV */ + VPX_IMG_FMT_YUY2 = 6, + /**< YUYV packed YUV */ + VPX_IMG_FMT_YVYU = 7, + /**< YVYU packed YUV */ + VPX_IMG_FMT_BGR24 = 8, + /**< 24 bit per pixel packed BGR */ + VPX_IMG_FMT_RGB32_LE = 9, + /**< 32 bit packed BGR0 */ + VPX_IMG_FMT_ARGB = 10, + /**< 32 bit packed ARGB, alpha=255 */ + VPX_IMG_FMT_ARGB_LE = 11, + /**< 32 bit packed BGRA, alpha=255 */ + VPX_IMG_FMT_RGB565_LE = 12, + /**< 16 bit per pixel, gggbbbbb rrrrrggg */ + VPX_IMG_FMT_RGB555_LE = 13, + /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */ + VPX_IMG_FMT_YV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, + /**< planar YVU */ + VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2, + VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 3, + /** < planar 4:2:0 format with vpx color space */ + VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4; /** < planar 4:2:0 format with vpx color space */ ; /**< alias for enum vpx_img_fmt */ //#if !defined(VPX_CODEC_DISABLE_COMPAT) || !VPX_CODEC_DISABLE_COMPAT -var IMG_FMT_PLANAR = VPX_IMG_FMT_PLANAR; /**< \deprecated Use #VPX_IMG_FMT_PLANAR */ -var IMG_FMT_UV_FLIP = VPX_IMG_FMT_UV_FLIP; /**< \deprecated Use #VPX_IMG_FMT_UV_FLIP */ -var IMG_FMT_HAS_ALPHA = VPX_IMG_FMT_HAS_ALPHA; /**< \deprecated Use #VPX_IMG_FMT_HAS_ALPHA */ +var IMG_FMT_PLANAR = VPX_IMG_FMT_PLANAR; /**< \deprecated Use #VPX_IMG_FMT_PLANAR */ +var IMG_FMT_UV_FLIP = VPX_IMG_FMT_UV_FLIP; /**< \deprecated Use #VPX_IMG_FMT_UV_FLIP */ +var IMG_FMT_HAS_ALPHA = VPX_IMG_FMT_HAS_ALPHA; /**< \deprecated Use #VPX_IMG_FMT_HAS_ALPHA */ - /*!\brief Deprecated list of supported image formats - * \deprecated New code should use #vpx_img_fmt - */ +/*!\brief Deprecated list of supported image formats + * \deprecated New code should use #vpx_img_fmt + */ //var img_fmt = vpx_img_fmt - /*!\brief alias for enum img_fmt. - * \deprecated New code should use #vpx_img_fmt_t - */ +/*!\brief alias for enum img_fmt. + * \deprecated New code should use #vpx_img_fmt_t + */ //var img_fmt_t = vpx_img_fmt_t -var IMG_FMT_NONE = VPX_IMG_FMT_NONE; /**< \deprecated Use #VPX_IMG_FMT_NONE */ -var IMG_FMT_RGB24 = VPX_IMG_FMT_RGB24; /**< \deprecated Use #VPX_IMG_FMT_RGB24 */ -var IMG_FMT_RGB32 = VPX_IMG_FMT_RGB32; /**< \deprecated Use #VPX_IMG_FMT_RGB32 */ -var IMG_FMT_RGB565 = VPX_IMG_FMT_RGB565; /**< \deprecated Use #VPX_IMG_FMT_RGB565 */ -var IMG_FMT_RGB555 = VPX_IMG_FMT_RGB555; /**< \deprecated Use #VPX_IMG_FMT_RGB555 */ -var IMG_FMT_UYVY = VPX_IMG_FMT_UYVY; /**< \deprecated Use #VPX_IMG_FMT_UYVY */ -var IMG_FMT_YUY2 = VPX_IMG_FMT_YUY2; /**< \deprecated Use #VPX_IMG_FMT_YUY2 */ -var IMG_FMT_YVYU = VPX_IMG_FMT_YVYU; /**< \deprecated Use #VPX_IMG_FMT_YVYU */ -var IMG_FMT_BGR24 = VPX_IMG_FMT_BGR24; /**< \deprecated Use #VPX_IMG_FMT_BGR24 */ -var IMG_FMT_RGB32_LE = VPX_IMG_FMT_RGB32_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB32_LE */ -var IMG_FMT_ARGB = VPX_IMG_FMT_ARGB; /**< \deprecated Use #VPX_IMG_FMT_ARGB */ -var IMG_FMT_ARGB_LE = VPX_IMG_FMT_ARGB_LE; /**< \deprecated Use #VPX_IMG_FMT_ARGB_LE */ -var IMG_FMT_RGB565_LE = VPX_IMG_FMT_RGB565_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB565_LE */ -var IMG_FMT_RGB555_LE = VPX_IMG_FMT_RGB555_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB555_LE */ -var IMG_FMT_YV12 = VPX_IMG_FMT_YV12; /**< \deprecated Use #VPX_IMG_FMT_YV12 */ -var IMG_FMT_I420 = VPX_IMG_FMT_I420; /**< \deprecated Use #VPX_IMG_FMT_I420 */ -var IMG_FMT_VPXYV12 = VPX_IMG_FMT_VPXYV12; /**< \deprecated Use #VPX_IMG_FMT_VPXYV12 */ -var IMG_FMT_VPXI420 = VPX_IMG_FMT_VPXI420; /**< \deprecated Use #VPX_IMG_FMT_VPXI420 */ +var IMG_FMT_NONE = VPX_IMG_FMT_NONE; /**< \deprecated Use #VPX_IMG_FMT_NONE */ +var IMG_FMT_RGB24 = VPX_IMG_FMT_RGB24; /**< \deprecated Use #VPX_IMG_FMT_RGB24 */ +var IMG_FMT_RGB32 = VPX_IMG_FMT_RGB32; /**< \deprecated Use #VPX_IMG_FMT_RGB32 */ +var IMG_FMT_RGB565 = VPX_IMG_FMT_RGB565; /**< \deprecated Use #VPX_IMG_FMT_RGB565 */ +var IMG_FMT_RGB555 = VPX_IMG_FMT_RGB555; /**< \deprecated Use #VPX_IMG_FMT_RGB555 */ +var IMG_FMT_UYVY = VPX_IMG_FMT_UYVY; /**< \deprecated Use #VPX_IMG_FMT_UYVY */ +var IMG_FMT_YUY2 = VPX_IMG_FMT_YUY2; /**< \deprecated Use #VPX_IMG_FMT_YUY2 */ +var IMG_FMT_YVYU = VPX_IMG_FMT_YVYU; /**< \deprecated Use #VPX_IMG_FMT_YVYU */ +var IMG_FMT_BGR24 = VPX_IMG_FMT_BGR24; /**< \deprecated Use #VPX_IMG_FMT_BGR24 */ +var IMG_FMT_RGB32_LE = VPX_IMG_FMT_RGB32_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB32_LE */ +var IMG_FMT_ARGB = VPX_IMG_FMT_ARGB; /**< \deprecated Use #VPX_IMG_FMT_ARGB */ +var IMG_FMT_ARGB_LE = VPX_IMG_FMT_ARGB_LE; /**< \deprecated Use #VPX_IMG_FMT_ARGB_LE */ +var IMG_FMT_RGB565_LE = VPX_IMG_FMT_RGB565_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB565_LE */ +var IMG_FMT_RGB555_LE = VPX_IMG_FMT_RGB555_LE; /**< \deprecated Use #VPX_IMG_FMT_RGB555_LE */ +var IMG_FMT_YV12 = VPX_IMG_FMT_YV12; /**< \deprecated Use #VPX_IMG_FMT_YV12 */ +var IMG_FMT_I420 = VPX_IMG_FMT_I420; /**< \deprecated Use #VPX_IMG_FMT_I420 */ +var IMG_FMT_VPXYV12 = VPX_IMG_FMT_VPXYV12; /**< \deprecated Use #VPX_IMG_FMT_VPXYV12 */ +var IMG_FMT_VPXI420 = VPX_IMG_FMT_VPXI420; /**< \deprecated Use #VPX_IMG_FMT_VPXI420 */ //#endif /* VPX_CODEC_DISABLE_COMPAT */ function img_alloc_helper(img, - fmt, - d_w, - d_h, - stride_align, - img_data) -{ - - var h=int_, w=int_, s=int_, xcs=int_, ycs=int_, bps=int_; - var align=int_; + fmt, + d_w, + d_h, + stride_align, + img_data) { + + var h = int_, + w = int_, + s = int_, + xcs = int_, + ycs = int_, + bps = int_; + var align = int_; /* Treat align==0 like align==1 */ if (!stride_align) @@ -2088,63 +2143,60 @@ function img_alloc_helper(img, alert('goto fail'); /* Get sample size for this format */ - switch (fmt) - { - case VPX_IMG_FMT_RGB32: - case VPX_IMG_FMT_RGB32_LE: - case VPX_IMG_FMT_ARGB: - case VPX_IMG_FMT_ARGB_LE: - bps = 32; - break; - case VPX_IMG_FMT_RGB24: - case VPX_IMG_FMT_BGR24: - bps = 24; - break; - case VPX_IMG_FMT_RGB565: - case VPX_IMG_FMT_RGB565_LE: - case VPX_IMG_FMT_RGB555: - case VPX_IMG_FMT_RGB555_LE: - case VPX_IMG_FMT_UYVY: - case VPX_IMG_FMT_YUY2: - case VPX_IMG_FMT_YVYU: - bps = 16; - break; - case VPX_IMG_FMT_I420: - case VPX_IMG_FMT_YV12: - case VPX_IMG_FMT_VPXI420: - case VPX_IMG_FMT_VPXYV12: - bps = 12; - break; - default: - bps = 16; - break; + switch (fmt) { + case VPX_IMG_FMT_RGB32: + case VPX_IMG_FMT_RGB32_LE: + case VPX_IMG_FMT_ARGB: + case VPX_IMG_FMT_ARGB_LE: + bps = 32; + break; + case VPX_IMG_FMT_RGB24: + case VPX_IMG_FMT_BGR24: + bps = 24; + break; + case VPX_IMG_FMT_RGB565: + case VPX_IMG_FMT_RGB565_LE: + case VPX_IMG_FMT_RGB555: + case VPX_IMG_FMT_RGB555_LE: + case VPX_IMG_FMT_UYVY: + case VPX_IMG_FMT_YUY2: + case VPX_IMG_FMT_YVYU: + bps = 16; + break; + case VPX_IMG_FMT_I420: + case VPX_IMG_FMT_YV12: + case VPX_IMG_FMT_VPXI420: + case VPX_IMG_FMT_VPXYV12: + bps = 12; + break; + default: + bps = 16; + break; } /* Get chroma shift values for this format */ - switch (fmt) - { - case VPX_IMG_FMT_I420: - case VPX_IMG_FMT_YV12: - case VPX_IMG_FMT_VPXI420: - case VPX_IMG_FMT_VPXYV12: - xcs = 1; - break; - default: - xcs = 0; - break; - } - - switch (fmt) - { - case VPX_IMG_FMT_I420: - case VPX_IMG_FMT_YV12: - case VPX_IMG_FMT_VPXI420: - case VPX_IMG_FMT_VPXYV12: - ycs = 1; - break; - default: - ycs = 0; - break; + switch (fmt) { + case VPX_IMG_FMT_I420: + case VPX_IMG_FMT_YV12: + case VPX_IMG_FMT_VPXI420: + case VPX_IMG_FMT_VPXYV12: + xcs = 1; + break; + default: + xcs = 0; + break; + } + + switch (fmt) { + case VPX_IMG_FMT_I420: + case VPX_IMG_FMT_YV12: + case VPX_IMG_FMT_VPXI420: + case VPX_IMG_FMT_VPXYV12: + ycs = 1; + break; + default: + ycs = 0; + break; } /* Calculate storage sizes given the chroma subsampling */ @@ -2156,25 +2208,21 @@ function img_alloc_helper(img, s = (s + stride_align - 1) & ~(stride_align - 1); /* Allocate the new image */ - if (!img) - { - img = new vpx_image_t();//(vpx_image_t *)calloc(1, sizeof(vpx_image_t)); + if (!img) { + img = new vpx_image_t(); //(vpx_image_t *)calloc(1, sizeof(vpx_image_t)); if (!img) alert('goto fail'); img.self_allocd = 1; - } - else - { + } else { //todo: memset(img, 0, sizeof(vpx_image_t)); } img.img_data = img_data; - if (!img_data) - { - img.img_data = malloc((fmt & VPX_IMG_FMT_PLANAR) ? h * w * bps / 8 : h * s,0); + if (!img_data) { + img.img_data = malloc((fmt & VPX_IMG_FMT_PLANAR) ? h * w * bps / 8 : h * s, 0); img.img_data_owner = 1; } @@ -2196,17 +2244,16 @@ function img_alloc_helper(img, if (!vpx_img_set_rect(img, 0, 0, d_w, d_h)) return img; -//fail: + //fail: vpx_img_free(img); return null; } function vpx_img_alloc(img, - fmt, - d_w, - d_h, - stride_align) -{ + fmt, + d_w, + d_h, + stride_align) { return img_alloc_helper(img, fmt, d_w, d_h, stride_align, null); } @@ -2221,63 +2268,49 @@ function vpx_img_alloc(img, //} function vpx_img_set_rect(img, - x, - y, - w, - h) -{ - var data=char_;var data_off=0; - - if (x + w <= img.w && y + h <= img.h) - { + x, + y, + w, + h) { + var data = char_; + var data_off = 0; + + if (x + w <= img.w && y + h <= img.h) { img.d_w = img["d_w"] = w; img.d_h = img["d_h"] = h; /* Calculate plane pointers */ - if (!(img.fmt & VPX_IMG_FMT_PLANAR)) - { + if (!(img.fmt & VPX_IMG_FMT_PLANAR)) { img.planes[VPX_PLANE_PACKED] = - img.img_data; img.img_data_of + parseInt(x * img.bps / 8 + y * img.stride[VPX_PLANE_PACKED],10); - } - else - { - data = img.img_data; data_off = img.img_data_off; + img.img_data; //img.img_data_of + parseInt(x * img.bps / 8 + y * img.stride[VPX_PLANE_PACKED],10); + } else { + data = img.img_data; + data_off = img.img_data_off; - if (img.fmt & VPX_IMG_FMT_HAS_ALPHA) - { + if (img.fmt & VPX_IMG_FMT_HAS_ALPHA) { img.planes[VPX_PLANE_ALPHA] = data; - img.planes_off[VPX_PLANE_ALPHA] = - data_off + x + y * img.stride[VPX_PLANE_ALPHA]; + img.planes_off[VPX_PLANE_ALPHA] = + data_off + x + y * img.stride[VPX_PLANE_ALPHA]; data_off += img.h * img.stride[VPX_PLANE_ALPHA]; } - img.planes[VPX_PLANE_Y] = data; img.planes_off[VPX_PLANE_Y] = data_off + x + y * img.stride[VPX_PLANE_Y]; + img.planes[VPX_PLANE_Y] = data; + img.planes_off[VPX_PLANE_Y] = data_off + x + y * img.stride[VPX_PLANE_Y]; data_off += img.h * img.stride[VPX_PLANE_Y]; - if (!(img.fmt & VPX_IMG_FMT_UV_FLIP)) - { + if (!(img.fmt & VPX_IMG_FMT_UV_FLIP)) { img.planes[VPX_PLANE_U] = data; - img.planes_off[VPX_PLANE_U] = data_off - + (x >> img.x_chroma_shift) - + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_U]; + img.planes_off[VPX_PLANE_U] = data_off + (x >> img.x_chroma_shift) + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_U]; data_off += (img.h >> img.y_chroma_shift) * img.stride[VPX_PLANE_U]; img.planes[VPX_PLANE_V] = data; - img.planes_off[VPX_PLANE_V] = data_off - + (x >> img.x_chroma_shift) - + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_V]; - } - else - { + img.planes_off[VPX_PLANE_V] = data_off + (x >> img.x_chroma_shift) + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_V]; + } else { img.planes[VPX_PLANE_V] = data; - img.planes_off[VPX_PLANE_V] = data_off - + (x >> img.x_chroma_shift) - + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_V]; + img.planes_off[VPX_PLANE_V] = data_off + (x >> img.x_chroma_shift) + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_V]; data_off += (img.h >> img.y_chroma_shift) * img.stride[VPX_PLANE_V]; img.planes[VPX_PLANE_U] = data; - img.planes_off[VPX_PLANE_U] = data_off - + (x >> img.x_chroma_shift) - + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_U]; + img.planes_off[VPX_PLANE_U] = data_off + (x >> img.x_chroma_shift) + (y >> img.y_chroma_shift) * img.stride[VPX_PLANE_U]; } } @@ -2310,92 +2343,80 @@ function vpx_img_set_rect(img, // img->stride[VPX_PLANE_ALPHA] = -img->stride[VPX_PLANE_ALPHA]; //} // -function vpx_img_free(img) -{ - if (img) - { +function vpx_img_free(img) { + if (img) { if (img.img_data && img.img_data_owner) - img.img_data='';//free(img.img_data); + img.img_data = ''; //free(img.img_data); if (img.self_allocd) - img='';//free(img); + img = ''; //free(img); } } //15 -var bool_decoder = function() -{ - this.input=char_,// * /* next compressed data byte */ - this.input_off=0,// * /* next compressed data byte */ - this.input_len=size_t, /* length of the input buffer */ - this.range=int_, /* identical to encoder's range */ - this.value=int_, /* contains at least 8 significant - * bits */ - this.bit_count=int_ /* # of bits shifted out of value, - * max 7 */ +var bool_decoder = function() { + this.input = char_, // * /* next compressed data byte */ + this.input_off = 0, // * /* next compressed data byte */ + this.input_len = size_t, /* length of the input buffer */ + this.range = int_, /* identical to encoder's range */ + this.value = int_, + /* contains at least 8 significant + * bits */ + this.bit_count = int_ + /* # of bits shifted out of value, + * max 7 */ }; //27 function init_bool_decoder(d, - start_partition, - start_partition_off, - sz) -{ - if (sz >= 2) - { - d.value = (start_partition[start_partition_off+0] << 8) /* first 2 input bytes */ - | start_partition[start_partition_off+1]; - d.input = start_partition; d.input_off = start_partition_off + 2; /* ptr to next byte */ + start_partition, + start_partition_off, + sz) { + if (sz >= 2) { + d.value = (start_partition[start_partition_off + 0] << 8) /* first 2 input bytes */ | start_partition[start_partition_off + 1]; + d.input = start_partition; + d.input_off = start_partition_off + 2; /* ptr to next byte */ d.input_len = sz - 2; - } - else - { + } else { d.value = 0; d.input = null; d.input_len = 0; } - d.range = 255; /* initial range is full */ - d.bit_count = 0; /* have not yet shifted out any bits */ + d.range = 255; /* initial range is full */ + d.bit_count = 0; /* have not yet shifted out any bits */ } -function bool_get(d, probability) -{ +function bool_get(d, probability) { /* range and split are identical to the corresponding values used by the encoder when this bool was written */ - var splitt = 1 + (((d.range - 1) * probability) >> 8); - var SPLIT = splitt << 8; - var retval=int_; /* will be 0 or 1 */ + var splitt = 1 + (((d.range - 1) * probability) >> 8); + var SPLIT = splitt << 8; + var retval = int_; /* will be 0 or 1 */ - if (d.value >= SPLIT) /* encoded a one */ - { + if (d.value >= SPLIT) /* encoded a one */ { retval = 1; - d.range -= splitt; /* reduce range */ - d.value -= SPLIT; /* subtract off left endpoint of interval */ - } - else /* encoded a zero */ - { + d.range -= splitt; /* reduce range */ + d.value -= SPLIT; /* subtract off left endpoint of interval */ + } else /* encoded a zero */ { retval = 0; d.range = splitt; /* reduce range, no change in left endpoint */ } - while (d.range < 128) /* shift out irrelevant value bits */ - { + while (d.range < 128) /* shift out irrelevant value bits */ { d.value <<= 1; d.range <<= 1; - if (++d.bit_count == 8) /* shift in new bits 8 at a time */ - { + if (++d.bit_count == 8) /* shift in new bits 8 at a time */ { d.bit_count = 0; - if (d.input_len) - { + if (d.input_len) { d.value |= d.input[d.input_off++]; d.input_len--; } @@ -2406,19 +2427,16 @@ function bool_get(d, probability) } -function bool_get_bit(br) -{ +function bool_get_bit(br) { return bool_get(br, 128); } -function bool_get_uint(br, bits) -{ +function bool_get_uint(br, bits) { var z = 0; - var bit=int_; + var bit = int_; - for (bit = bits - 1; bit >= 0; bit--) - { + for (bit = bits - 1; bit >= 0; bit--) { z |= (bool_get_bit(br) << bit); } @@ -2426,13 +2444,11 @@ function bool_get_uint(br, bits) } -function bool_get_int(br, bits) -{ +function bool_get_int(br, bits) { var z = 0; - var bit=int_; + var bit = int_; - for (bit = bits - 1; bit >= 0; bit--) - { + for (bit = bits - 1; bit >= 0; bit--) { z |= (bool_get_bit(br) << bit); } @@ -2440,8 +2456,7 @@ function bool_get_int(br, bits) } -function bool_maybe_get_int(br, bits) -{ +function bool_maybe_get_int(br, bits) { return bool_get_bit(br) ? bool_get_int(br, bits) : 0; } @@ -2449,322 +2464,323 @@ function bool_maybe_get_int(br, bits) //133 function bool_read_tree(bool, - t, - p, - p_off) -{ + t, + p, + p_off) { var i = 0; - if(typeof p_off!=='undefined') - while ((i = t[ i + bool_get(bool, p[p_off +(i>>1)])]) > 0) ; - else - while ((i = t[ i + bool_get(bool, p[i>>1])]) > 0) ; + if (typeof p_off !== 'undefined') + while ((i = t[i + bool_get(bool, p[p_off + (i >> 1)])]) > 0) {} else + while ((i = t[i + bool_get(bool, p[i >> 1])]) > 0) {} return -i; } /* Evaluates to a mask with n bits set */ -function BITS_MASK(n) { return ((1<<(n))-1) } +function BITS_MASK(n) { + return ((1 << (n)) - 1) +} /* Returns len bits, with the LSB at position bit */ -function BITS_GET(val, bit, len) { return (((val)>>(bit))&BITS_MASK(len)) } +function BITS_GET(val, bit, len) { + return (((val) >> (bit)) & BITS_MASK(len)) +} -var vp8_frame_hdr = function() -{ - this.is_keyframe=int_, /* Frame is a keyframe */ - this.is_experimental=int_, /* Frame is a keyframe */ - this.version=int_, /* Bitstream version */ - this.is_shown=int_, /* Frame is to be displayed. */ - this.part0_sz=int_, /* Partition 0 length, in bytes */ +var vp8_frame_hdr = function() { + this.is_keyframe = int_, /* Frame is a keyframe */ + this.is_experimental = int_, /* Frame is a keyframe */ + this.version = int_, /* Bitstream version */ + this.is_shown = int_, /* Frame is to be displayed. */ + this.part0_sz = int_, /* Partition 0 length, in bytes */ - this.kf=new Object(//vp8_kf_hdr: - { - w:int_, /* Width */ - h:int_, /* Height */ - scale_w:int_, /* Scaling factor, Width */ - scale_h:int_ /* Scaling factor, Height */ - }),// kf; - - this.frame_size_updated=int_ /* Flag to indicate a resolution - * update. - */ + this.kf = new Object( //vp8_kf_hdr: + { + w: int_, + /* Width */ + h: int_, + /* Height */ + scale_w: int_, + /* Scaling factor, Width */ + scale_h: int_ /* Scaling factor, Height */ + }), // kf; + + this.frame_size_updated = int_ + /* Flag to indicate a resolution + * update. + */ }; var MB_FEATURE_TREE_PROBS = 3, - MAX_MB_SEGMENTS = 4 -; + MAX_MB_SEGMENTS = 4; -var vp8_segment_hdr = function() -{ - this.enabled=int_, - this.update_data=int_, - this.update_map=int_, - this.abs_=int_, /* 0=deltas, 1=absolute values */ - this.tree_probs=new Array(MB_FEATURE_TREE_PROBS),//,int_), - this.lf_level=new Array(MAX_MB_SEGMENTS),//,int_), - this.quant_idx=new Array(MAX_MB_SEGMENTS)//,int_) +var vp8_segment_hdr = function() { + this.enabled = int_, + this.update_data = int_, + this.update_map = int_, + this.abs_ = int_, /* 0=deltas, 1=absolute values */ + this.tree_probs = new Array(MB_FEATURE_TREE_PROBS), //,int_), + this.lf_level = new Array(MAX_MB_SEGMENTS), //,int_), + this.quant_idx = new Array(MAX_MB_SEGMENTS) //,int_) }; var - BLOCK_CONTEXTS = 4 -; + BLOCK_CONTEXTS = 4; -var vp8_loopfilter_hdr = function() -{ - this.use_simple=int_, - this.level=int_, - this.sharpness=int_, - this.delta_enabled=int_, - this.ref_delta=new Array(BLOCK_CONTEXTS),//,int_), - this.mode_delta=new Array(BLOCK_CONTEXTS)//,int_) +var vp8_loopfilter_hdr = function() { + this.use_simple = int_, + this.level = int_, + this.sharpness = int_, + this.delta_enabled = int_, + this.ref_delta = new Array(BLOCK_CONTEXTS), //,int_), + this.mode_delta = new Array(BLOCK_CONTEXTS) //,int_) }; var - MAX_PARTITIONS = 8 -; + MAX_PARTITIONS = 8; -var vp8_token_hdr = function() -{ - this.partitions=int_, - this.partition_sz=new Array(MAX_PARTITIONS)//,int_) +var vp8_token_hdr = function() { + this.partitions = int_, + this.partition_sz = new Array(MAX_PARTITIONS) //,int_) }; -var vp8_quant_hdr = function() -{ - this.q_index=int_, - this.delta_update=int_, - this.y1_dc_delta_q=int_, - this.y2_dc_delta_q=int_, - this.y2_ac_delta_q=int_, - this.uv_dc_delta_q=int_, - this.uv_ac_delta_q=int_ +var vp8_quant_hdr = function() { + this.q_index = int_, + this.delta_update = int_, + this.y1_dc_delta_q = int_, + this.y2_dc_delta_q = int_, + this.y2_ac_delta_q = int_, + this.uv_dc_delta_q = int_, + this.uv_ac_delta_q = int_ }; -var vp8_reference_hdr = function() -{ - this.refresh_last=int_, - this.refresh_gf=int_, - this.refresh_arf=int_, - this.copy_gf=int_, - this.copy_arf=int_, - this.sign_bias=new Array(4),//,int_), - this.refresh_entropy=int_ +var vp8_reference_hdr = function() { + this.refresh_last = int_, + this.refresh_gf = int_, + this.refresh_arf = int_, + this.copy_gf = int_, + this.copy_arf = int_, + this.sign_bias = new Array(4), //,int_), + this.refresh_entropy = int_ }; var - BLOCK_TYPES = 4, + BLOCK_TYPES = 4, PREV_COEF_CONTEXTS = 3, - COEF_BANDS = 8, - ENTROPY_NODES = 11 -; -var coeff_probs_table_t=function() {return ArrM(new Array(BLOCK_TYPES,COEF_BANDS, -PREV_COEF_CONTEXTS, -ENTROPY_NODES),char_);} + COEF_BANDS = 8, + ENTROPY_NODES = 11; +var coeff_probs_table_t = function() { + return ArrM(new Array(BLOCK_TYPES, COEF_BANDS, + PREV_COEF_CONTEXTS, + ENTROPY_NODES), char_); +} var - MV_PROB_CNT = 2 + 8 - 1 + 10 /* from entropymv.h */ -; -var mv_component_probs_t=function(){return new Array(MV_PROB_CNT)};//,char_); - -var Arr_1056=Arr(1056,0); -var vp8_entropy_hdr = function() -{ - this.coeff_probs=new coeff_probs_table_t(), - this.coeff_probs_=Arr(1056,0),//Arr_1056, - this.mv_probs=Arr_new(2,mv_component_probs_t), - this.coeff_skip_enabled=int_, - this.coeff_skip_prob=char_, - this.y_mode_probs=new Array(0,0,0,0),//4,char_ - this.uv_mode_probs=new Array(0,0,0),//3,char_ - this.prob_inter=char_, - this.prob_last=char_, - this.prob_gf=char_ + MV_PROB_CNT = 2 + 8 - 1 + 10 /* from entropymv.h */ ; +var mv_component_probs_t = function() { + return new Array(MV_PROB_CNT) +}; //,char_); + +var Arr_1056 = Arr(1056, 0); +var vp8_entropy_hdr = function() { + this.coeff_probs = new coeff_probs_table_t(), + this.coeff_probs_ = Arr(1056, 0), //Arr_1056, + this.mv_probs = Arr_new(2, mv_component_probs_t), + this.coeff_skip_enabled = int_, + this.coeff_skip_prob = char_, + this.y_mode_probs = new Array(0, 0, 0, 0), //4,char_ + this.uv_mode_probs = new Array(0, 0, 0), //3,char_ + this.prob_inter = char_, + this.prob_last = char_, + this.prob_gf = char_ }; var - CURRENT_FRAME=0, - LAST_FRAME=1, - GOLDEN_FRAME=2, - ALTREF_FRAME=3, - NUM_REF_FRAMES=4 -; - + CURRENT_FRAME = 0, + LAST_FRAME = 1, + GOLDEN_FRAME = 2, + ALTREF_FRAME = 3, + NUM_REF_FRAMES = 4; -var filter_t=function() {return new Array(6);}//,short_ +var filter_t = function() { + return new Array(6); + } //,short_ -var mv = function() -{ - this.d= - { - x:int16_t, y:int16_t - } - //uint32_t raw; -};// mv_t; - -var mb_base_info = function() -{ - this.y_mode = char_,//4; - this.uv_mode = char_,//4; - this.segment_id = char_,//2; - this.ref_frame = char_,//2; - this.skip_coeff = char_,//1; - this.need_mc_border = char_,//1; - this.partitioning = null,//2;'enum splitmv_partitioning' - this.mv =new mv(), - this.eob_mask =int_ +var mv = function() { + this.d = { + x: int16_t, + y: int16_t + } + //uint32_t raw; +}; // mv_t; + + +var mb_base_info = function() { + this.y_mode = char_, //4; + this.uv_mode = char_, //4; + this.segment_id = char_, //2; + this.ref_frame = char_, //2; + this.skip_coeff = char_, //1; + this.need_mc_border = char_, //1; + this.partitioning = null, //2;'enum splitmv_partitioning' + this.mv = new mv(), + this.eob_mask = int_ }; -var mb_info = function() -{ - this.base =new mb_base_info(), - this.splitt=new Object( - { - mvs:Arr_new(16,mv), - modes:new Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)//16,'todo:enum prediction_mode') - }) +var mb_info = function() { + this.base = new mb_base_info(), + this.splitt = new Object({ + mvs: Arr_new(16, mv), + modes: new Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) //16,'todo:enum prediction_mode') + }) }; /* A "token entropy context" has 4 Y values, 2 U, 2 V, and 1 Y2 */ -var token_entropy_ctx_t=function() {return new Array(4 + 2 + 2 + 1);}//Arr,int_ - -var token_decoder = function() -{ - this.bool =new bool_decoder(), - this.left_token_entropy_ctx =new token_entropy_ctx_t(), - this.coeffs =short_//* +var token_entropy_ctx_t = function() { + return new Array(4 + 2 + 2 + 1); + } //Arr,int_ + +var token_decoder = function() { + this.bool = new bool_decoder(), + this.left_token_entropy_ctx = new token_entropy_ctx_t(), + this.coeffs = short_ //* }; var - TOKEN_BLOCK_Y1=0, - TOKEN_BLOCK_UV=1, - TOKEN_BLOCK_Y2=2, - TOKEN_BLOCK_TYPES=3 -; - -var dequant_factors = function() -{ - this.quant_idx =int_, - this.factor =ArrM(new Array(TOKEN_BLOCK_TYPES,2),short_) /* [ Y1, UV, Y2 ] [ DC, AC ] */ + TOKEN_BLOCK_Y1 = 0, + TOKEN_BLOCK_UV = 1, + TOKEN_BLOCK_Y2 = 2, + TOKEN_BLOCK_TYPES = 3; + +var dequant_factors = function() { + this.quant_idx = int_, + this.factor = ArrM(new Array(TOKEN_BLOCK_TYPES, 2), short_) /* [ Y1, UV, Y2 ] [ DC, AC ] */ }; -var ref_cnt_img = function() -{ - this.img =new vpx_image_t(), - this.ref_cnt =int_ +var ref_cnt_img = function() { + this.img = new vpx_image_t(), + this.ref_cnt = int_ }; -var vp8_decoder_ctx = function() -{ - this.error=[],//todo: newObjectI(vpx_internal_error_info), - this.frame_cnt=int_, - - this.frame_hdr= new vp8_frame_hdr(), - this.segment_hdr= new vp8_segment_hdr(), - this.loopfilter_hdr= new vp8_loopfilter_hdr(), - this.token_hdr= new vp8_token_hdr(), - this.quant_hdr= new vp8_quant_hdr(), - this.reference_hdr= new vp8_reference_hdr(), - this.entropy_hdr= new vp8_entropy_hdr(), - - this.saved_entropy= new vp8_entropy_hdr(), - this.saved_entropy_valid=int_, - - this.mb_rows=int_, - this.mb_cols=int_, - this.mb_info_storage =null,//* - this.mb_info_storage_off =0, - this.mb_info_storage_object =(mb_info),//new - - this.mb_info_rows_storage =null,//** - this.mb_info_rows_storage_off =0, - this.mb_info_rows_storage_object =(mb_info),//new - this.mb_info_rows =null,//mb_info** - this.mb_info_rows_off =0, - - this.above_token_entropy_ctx =null,//*'token_entropy_ctx_t' - this.above_token_entropy_ctx_object =(token_entropy_ctx_t),//* - this.tokens =Arr_new(MAX_PARTITIONS,token_decoder), - this.dequant_factors =Arr_new(MAX_MB_SEGMENTS,dequant_factors), - - this.frame_strg =Arr_new(NUM_REF_FRAMES,ref_cnt_img), - this.ref_frames =Arr_new(NUM_REF_FRAMES,ref_cnt_img),//* - this.ref_frame_offsets =new Array(0,0,0,0),//4,ptrdiff_t - this.ref_frame_offsets_ =new Array(0,0,0,0),//4,ptrdiff_t - - this.subpixel_filters =new filter_t()//* +var vp8_decoder_ctx = function() { + this.error = [], //todo: newObjectI(vpx_internal_error_info), + this.frame_cnt = int_, + + this.frame_hdr = new vp8_frame_hdr(), + this.segment_hdr = new vp8_segment_hdr(), + this.loopfilter_hdr = new vp8_loopfilter_hdr(), + this.token_hdr = new vp8_token_hdr(), + this.quant_hdr = new vp8_quant_hdr(), + this.reference_hdr = new vp8_reference_hdr(), + this.entropy_hdr = new vp8_entropy_hdr(), + + this.saved_entropy = new vp8_entropy_hdr(), + this.saved_entropy_valid = int_, + + this.mb_rows = int_, + this.mb_cols = int_, + this.mb_info_storage = null, //* + this.mb_info_storage_off = 0, + this.mb_info_storage_object = (mb_info), //new + + this.mb_info_rows_storage = null, //** + this.mb_info_rows_storage_off = 0, + this.mb_info_rows_storage_object = (mb_info), //new + this.mb_info_rows = null, //mb_info** + this.mb_info_rows_off = 0, + + this.above_token_entropy_ctx = null, //*'token_entropy_ctx_t' + this.above_token_entropy_ctx_object = (token_entropy_ctx_t), //* + this.tokens = Arr_new(MAX_PARTITIONS, token_decoder), + this.dequant_factors = Arr_new(MAX_MB_SEGMENTS, dequant_factors), + + this.frame_strg = Arr_new(NUM_REF_FRAMES, ref_cnt_img), + this.ref_frames = Arr_new(NUM_REF_FRAMES, ref_cnt_img), //* + this.ref_frame_offsets = new Array(0, 0, 0, 0), //4,ptrdiff_t + this.ref_frame_offsets_ = new Array(0, 0, 0, 0), //4,ptrdiff_t + + this.subpixel_filters = new filter_t() //* }; //306 -function CLAMP_255(x) { return (x<0?0:x>255?255:x) }//{ return ((x)<0?0:((x)>255?255:(x))) } +function CLAMP_255(x) { + return (x < 0 ? 0 : x > 255 ? 255 : x) +} //{ return ((x)<0?0:((x)>255?255:(x))) } //14 function -vp8_dixie_walsh(input, input_off, output, output_off) -{ - var i=int_; - var a1=int_, b1=int_, c1=int_, d1=int_; - var a2=int_, b2=int_, c2=int_, d2=int_; - var ip = input; var ip_off = input_off; - var op = output; var op_off = output_off; - - for (i = 0; i < 4; i++) - { - a1 = ip[ip_off+ 0] + ip[ip_off+ 12]; - b1 = ip[ip_off+ 4] + ip[ip_off+ 8]; - c1 = ip[ip_off+ 4] - ip[ip_off+ 8]; - d1 = ip[ip_off+ 0] - ip[ip_off+ 12]; - - op[op_off+ 0] = a1 + b1; - op[op_off+ 4] = c1 + d1; - op[op_off+ 8] = a1 - b1; - op[op_off+ 12] = d1 - c1; +vp8_dixie_walsh(input, input_off, output, output_off) { + var i = int_; + var a1 = int_, + b1 = int_, + c1 = int_, + d1 = int_; + var a2 = int_, + b2 = int_, + c2 = int_, + d2 = int_; + var ip = input; + var ip_off = input_off; + var op = output; + var op_off = output_off; + + for (i = 0; i < 4; i++) { + a1 = ip[ip_off + 0] + ip[ip_off + 12]; + b1 = ip[ip_off + 4] + ip[ip_off + 8]; + c1 = ip[ip_off + 4] - ip[ip_off + 8]; + d1 = ip[ip_off + 0] - ip[ip_off + 12]; + + op[op_off + 0] = a1 + b1; + op[op_off + 4] = c1 + d1; + op[op_off + 8] = a1 - b1; + op[op_off + 12] = d1 - c1; ip_off++; op_off++; } - ip = output; ip_off = output_off; - op = output; op_off = output_off; + ip = output; + ip_off = output_off; + op = output; + op_off = output_off; - for (i = 0; i < 4; i++) - { - a1 = ip[ip_off+ 0] + ip[ip_off+ 3]; - b1 = ip[ip_off+ 1] + ip[ip_off+ 2]; - c1 = ip[ip_off+ 1] - ip[ip_off+ 2]; - d1 = ip[ip_off+ 0] - ip[ip_off+ 3]; + for (i = 0; i < 4; i++) { + a1 = ip[ip_off + 0] + ip[ip_off + 3]; + b1 = ip[ip_off + 1] + ip[ip_off + 2]; + c1 = ip[ip_off + 1] - ip[ip_off + 2]; + d1 = ip[ip_off + 0] - ip[ip_off + 3]; a2 = a1 + b1; b2 = c1 + d1; c2 = a1 - b1; d2 = d1 - c1; - op[op_off+ 0] = (a2 + 3) >> 3; - op[op_off+ 1] = (b2 + 3) >> 3; - op[op_off+ 2] = (c2 + 3) >> 3; - op[op_off+ 3] = (d2 + 3) >> 3; + op[op_off + 0] = (a2 + 3) >> 3; + op[op_off + 1] = (b2 + 3) >> 3; + op[op_off + 2] = (c2 + 3) >> 3; + op[op_off + 3] = (d2 + 3) >> 3; ip_off += 4; op_off += 4; @@ -2773,83 +2789,92 @@ vp8_dixie_walsh(input, input_off, output, output_off) var cospi8sqrt2minus1 = 20091; -var sinpi8sqrt2 = 35468; +var sinpi8sqrt2 = 35468; /*var rounding = 0;*/ //67 function -idct_columns(input, input_off, output, output_off) -{ - var i=int_; - var a1=int_, b1=int_, c1=int_, d1=int_; - - var ip = input; var ip_off = input_off; - var op = output; var op_off = output_off; - var temp1=int_, temp2=int_; +idct_columns(input, input_off, output, output_off) { + var i = int_; + var a1 = int_, + b1 = int_, + c1 = int_, + d1 = int_; + + var ip = input; + var ip_off = input_off; + var op = output; + var op_off = output_off; + var temp1 = int_, + temp2 = int_; var shortpitch = 4; - for (i = 0; i < 4; i++) - { - a1 = ip[ip_off+ 0] + ip[ip_off+ 8]; - b1 = ip[ip_off+ 0] - ip[ip_off+ 8]; + for (i = 0; i < 4; i++) { + a1 = ip[ip_off + 0] + ip[ip_off + 8]; + b1 = ip[ip_off + 0] - ip[ip_off + 8]; - temp1 = (ip[ip_off+ 4] * sinpi8sqrt2/* + rounding */) >> 16; - temp2 = ip[ip_off+ 12] + - ((ip[ip_off+ 12] * cospi8sqrt2minus1/* + rounding */) >> 16); + temp1 = (ip[ip_off + 4] * sinpi8sqrt2 /* + rounding */ ) >> 16; + temp2 = ip[ip_off + 12] + + ((ip[ip_off + 12] * cospi8sqrt2minus1 /* + rounding */ ) >> 16); c1 = temp1 - temp2; - temp1 = ip[ip_off+ 4] + - ((ip[ip_off+ 4] * cospi8sqrt2minus1/* + rounding */) >> 16); - temp2 = (ip[ip_off+ 12] * sinpi8sqrt2/* + rounding */) >> 16; + temp1 = ip[ip_off + 4] + + ((ip[ip_off + 4] * cospi8sqrt2minus1 /* + rounding */ ) >> 16); + temp2 = (ip[ip_off + 12] * sinpi8sqrt2 /* + rounding */ ) >> 16; d1 = temp1 + temp2; - op[op_off+ shortpitch*0] = a1 + d1; - op[op_off+ shortpitch*3] = a1 - d1; + op[op_off + shortpitch * 0] = a1 + d1; + op[op_off + shortpitch * 3] = a1 - d1; - op[op_off+ shortpitch*1] = b1 + c1; - op[op_off+ shortpitch*2] = b1 - c1; + op[op_off + shortpitch * 1] = b1 + c1; + op[op_off + shortpitch * 2] = b1 - c1; ip_off++; op_off++; } } -var tmp_2=Arr(16,0); +var tmp_2 = Arr(16, 0); //105 function vp8_dixie_idct_add(recon, - recon_off, - predict, - predict_off, - stride, - coeffs, - coeffs_off) -{ - var i=int_; - var a1=int_, b1=int_, c1=int_, d1=int_, temp1=int_, temp2=int_; - /*Arr(16,short_);*/ var tmp_off=0; + recon_off, + predict, + predict_off, + stride, + coeffs, + coeffs_off) { + var i = int_; + var a1 = int_, + b1 = int_, + c1 = int_, + d1 = int_, + temp1 = int_, + temp2 = int_; + /*Arr(16,short_);*/ + var tmp_off = 0; idct_columns(coeffs, coeffs_off, tmp_2, tmp_off); - coeffs = tmp_2; coeffs_off = tmp_off;//todo: pinter tmp coeffs? + coeffs = tmp_2; + coeffs_off = tmp_off; //todo: pinter tmp coeffs? - for (i = 0; i < 4; i++) - { - a1 = coeffs[coeffs_off+ 0] + coeffs[coeffs_off+ 2]; - b1 = coeffs[coeffs_off+ 0] - coeffs[coeffs_off+ 2]; + for (i = 0; i < 4; i++) { + a1 = coeffs[coeffs_off + 0] + coeffs[coeffs_off + 2]; + b1 = coeffs[coeffs_off + 0] - coeffs[coeffs_off + 2]; - temp1 = (coeffs[coeffs_off+ 1] * sinpi8sqrt2/* + rounding */) >> 16; - temp2 = coeffs[coeffs_off+ 3] + - ((coeffs[coeffs_off+ 3] * cospi8sqrt2minus1/* + rounding */) >> 16); + temp1 = (coeffs[coeffs_off + 1] * sinpi8sqrt2 /* + rounding */ ) >> 16; + temp2 = coeffs[coeffs_off + 3] + + ((coeffs[coeffs_off + 3] * cospi8sqrt2minus1 /* + rounding */ ) >> 16); c1 = temp1 - temp2; - temp1 = coeffs[coeffs_off+ 1] + - ((coeffs[coeffs_off+ 1] * cospi8sqrt2minus1/* + rounding */) >> 16); - temp2 = (coeffs[coeffs_off+ 3] * sinpi8sqrt2/* + rounding */) >> 16; + temp1 = coeffs[coeffs_off + 1] + + ((coeffs[coeffs_off + 1] * cospi8sqrt2minus1 /* + rounding */ ) >> 16); + temp2 = (coeffs[coeffs_off + 3] * sinpi8sqrt2 /* + rounding */ ) >> 16; d1 = temp1 + temp2; - recon[recon_off+ 0] = (predict[predict_off+ 0] + ((a1 + d1 + 4) >> 3));//CLAMP_255 - recon[recon_off+ 3] = (predict[predict_off+ 3] + ((a1 - d1 + 4) >> 3));//CLAMP_255 - recon[recon_off+ 1] = (predict[predict_off+ 1] + ((b1 + c1 + 4) >> 3));//CLAMP_255 - recon[recon_off+ 2] = (predict[predict_off+ 2] + ((b1 - c1 + 4) >> 3));//CLAMP_255 + recon[recon_off + 0] = (predict[predict_off + 0] + ((a1 + d1 + 4) >> 3)); //CLAMP_255 + recon[recon_off + 3] = (predict[predict_off + 3] + ((a1 - d1 + 4) >> 3)); //CLAMP_255 + recon[recon_off + 1] = (predict[predict_off + 1] + ((b1 + c1 + 4) >> 3)); //CLAMP_255 + recon[recon_off + 2] = (predict[predict_off + 2] + ((b1 - c1 + 4) >> 3)); //CLAMP_255 coeffs_off += 4; recon_off += stride; @@ -2859,771 +2884,721 @@ vp8_dixie_idct_add(recon, var k_coeff_entropy_update_probs = -new Array( new Array( new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255), + new Array(250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ) ), new Array( - new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( + new Array(217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255), + new Array(234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255) + ), + new Array( + new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ) ), new Array( - new Array(255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 ), - new Array(250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( + new Array(186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255), + new Array(251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255) + ), + new Array( + new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ) ), new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( + new Array(248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255), + new Array(248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ), + new Array( + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255), + new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255) + ) ) - ), + ); + + +var k_default_y_mode_probs = + new Array(112, 86, 140, 37); + + +var k_default_uv_mode_probs = + new Array(162, 101, 204); + + +var k_default_coeff_probs = new Array( - new Array( - new Array(217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 ), - new Array(234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 ) - ), - new Array( - new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( /* block type 0 */ + new Array( /* coeff band 0 */ + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 1 */ + new Array(253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128), + new Array(189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128), + new Array(106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128) + ), + new Array( /* coeff band 2 */ + new Array(1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128), + new Array(181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128), + new Array(78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128) + ), + new Array( /* coeff band 3 */ + new Array(1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128), + new Array(184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128), + new Array(77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 4 */ + new Array(1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128), + new Array(170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128), + new Array(37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128) + ), + new Array( /* coeff band 5 */ + new Array(1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128), + new Array(207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128), + new Array(102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 6 */ + new Array(1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128), + new Array(177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128), + new Array(80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 7 */ + new Array(1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) + ) ), - new Array( - new Array(255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( /* block type 1 */ + new Array( /* coeff band 0 */ + new Array(198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62), + new Array(131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1), + new Array(68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128) + ), + new Array( /* coeff band 1 */ + new Array(1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128), + new Array(184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128), + new Array(81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128) + ), + new Array( /* coeff band 2 */ + new Array(1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128), + new Array(99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128), + new Array(23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128) + ), + new Array( /* coeff band 3 */ + new Array(1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128), + new Array(109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128), + new Array(44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128) + ), + new Array( /* coeff band 4 */ + new Array(1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128), + new Array(94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128), + new Array(22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128) + ), + new Array( /* coeff band 5 */ + new Array(1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128), + new Array(124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128), + new Array(35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128) + ), + new Array( /* coeff band 6 */ + new Array(1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128), + new Array(121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128), + new Array(45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128) + ), + new Array( /* coeff band 7 */ + new Array(1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128), + new Array(203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128), + new Array(137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128) + ) ), - new Array( - new Array(255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( /* block type 2 */ + new Array( /* coeff band 0 */ + new Array(253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128), + new Array(175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128), + new Array(73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128) + ), + new Array( /* coeff band 1 */ + new Array(1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128), + new Array(239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128), + new Array(155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128) + ), + new Array( /* coeff band 2 */ + new Array(1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128), + new Array(201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128), + new Array(69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128) + ), + new Array( /* coeff band 3 */ + new Array(1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128), + new Array(223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128), + new Array(141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 4 */ + new Array(1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128), + new Array(190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128), + new Array(149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 5 */ + new Array(1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 6 */ + new Array(1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128), + new Array(213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128), + new Array(55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128) + ), + new Array( /* coeff band 7 */ + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) + ) ), - new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + new Array( /* block type 3 */ + new Array( /* coeff band 0 */ + new Array(202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255), + new Array(126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128), + new Array(61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128) + ), + new Array( /* coeff band 1 */ + new Array(1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128), + new Array(166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128), + new Array(39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128) + ), + new Array( /* coeff band 2 */ + new Array(1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128), + new Array(124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128), + new Array(24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128) + ), + new Array( /* coeff band 3 */ + new Array(1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128), + new Array(149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128), + new Array(28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128) + ), + new Array( /* coeff band 4 */ + new Array(1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128), + new Array(123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128), + new Array(20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128) + ), + new Array( /* coeff band 5 */ + new Array(1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128), + new Array(168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128), + new Array(47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128) + ), + new Array( /* coeff band 6 */ + new Array(1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128), + new Array(141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128), + new Array(42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128) + ), + new Array( /* coeff band 7 */ + new Array(1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), + new Array(238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128) + ) ) - ), + ); + + +var k_mv_entropy_update_probs = new Array( new Array( - new Array(186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 ), - new Array(251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 ) + 237, + 246, + 253, 253, 254, 254, 254, 254, 254, + 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 ), new Array( - new Array(255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + 231, + 243, + 245, 253, 254, 254, 254, 254, 254, + 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 ) - ), - new Array( - new Array( - new Array(248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 ), - new Array(248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ) - ), - new Array( - new Array(255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + ); + + +var k_default_mv_probs = function() { + return new Array( + new Array( /* row */ + 162, /* is short */ + 128, /* sign */ + 225, 146, 172, 147, 214, 39, 156, /* short tree */ + 128, 129, 132, 75, 145, 178, 206, 239, 254, 254 /* long bits */ ), new Array( - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ), - new Array(255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ) + 164, + 128, + 204, 170, 119, 235, 140, 230, 228, + 128, 130, 130, 74, 148, 180, 203, 236, 254, 254 + ) ) -); - - -var k_default_y_mode_probs = -new Array( 112, 86, 140, 37); - - -var k_default_uv_mode_probs = -new Array( 162, 101, 204); +}; -var k_default_coeff_probs = -new Array( - new Array( /* block type 0 */ - new Array( /* coeff band 0 */ - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 1 */ - new Array( 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128), - new Array( 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128), - new Array( 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128) - ), - new Array( /* coeff band 2 */ - new Array( 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128), - new Array( 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128), - new Array( 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128) - ), - new Array( /* coeff band 3 */ - new Array( 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128), - new Array( 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128), - new Array( 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 4 */ - new Array( 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128), - new Array( 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128), - new Array( 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128) - ), - new Array( /* coeff band 5 */ - new Array( 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128), - new Array( 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128), - new Array( 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 6 */ - new Array( 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128), - new Array( 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128), - new Array( 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 7 */ - new Array( 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) - ) - ), - new Array( /* block type 1 */ - new Array( /* coeff band 0 */ - new Array( 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62), - new Array( 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1), - new Array( 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128) - ), - new Array( /* coeff band 1 */ - new Array( 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128), - new Array( 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128), - new Array( 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128) - ), - new Array( /* coeff band 2 */ - new Array( 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128), - new Array( 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128), - new Array( 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128) - ), - new Array( /* coeff band 3 */ - new Array( 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128), - new Array( 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128), - new Array( 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128) - ), - new Array( /* coeff band 4 */ - new Array( 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128), - new Array( 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128), - new Array( 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128) - ), - new Array( /* coeff band 5 */ - new Array( 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128), - new Array( 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128), - new Array( 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128) - ), - new Array( /* coeff band 6 */ - new Array( 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128), - new Array( 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128), - new Array( 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128) - ), - new Array( /* coeff band 7 */ - new Array( 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128), - new Array( 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128), - new Array( 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128) - ) - ), - new Array( /* block type 2 */ - new Array( /* coeff band 0 */ - new Array( 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128), - new Array( 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128), - new Array( 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128) - ), - new Array( /* coeff band 1 */ - new Array( 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128), - new Array( 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128), - new Array( 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128) - ), - new Array( /* coeff band 2 */ - new Array( 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128), - new Array( 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128), - new Array( 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128) - ), - new Array( /* coeff band 3 */ - new Array( 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128), - new Array( 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128), - new Array( 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 4 */ - new Array( 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128), - new Array( 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128), - new Array( 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128) - ), - new Array( /* coeff band 5 */ - new Array( 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128) +var dc_q_lookup = + new Array( + 4, 5, 6, 7, 8, 9, 10, 10, + 11, 12, 13, 14, 15, 16, 17, 17, + 18, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 25, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, + 37, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 76, 77, 78, 79, 80, 81, + 82, 83, 84, 85, 86, 87, 88, 89, + 91, 93, 95, 96, 98, 100, 101, 102, + 104, 106, 108, 110, 112, 114, 116, 118, + 122, 124, 126, 128, 130, 132, 134, 136, + 138, 140, 143, 145, 148, 151, 154, 157 + ); +var ac_q_lookup = + new Array( + 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 60, + 62, 64, 66, 68, 70, 72, 74, 76, + 78, 80, 82, 84, 86, 88, 90, 92, + 94, 96, 98, 100, 102, 104, 106, 108, + 110, 112, 114, 116, 119, 122, 125, 128, + 131, 134, 137, 140, 143, 146, 149, 152, + 155, 158, 161, 164, 167, 170, 173, 177, + 181, 185, 189, 193, 197, 201, 205, 209, + 213, 217, 221, 225, 229, 234, 239, 245, + 249, 254, 259, 264, 269, 274, 279, 284 + ); + + +var kf_y_mode_probs = new Array(145, 156, 163, 128); +var kf_uv_mode_probs = new Array(142, 114, 183); +var kf_b_mode_probs = + new Array( + new Array( /* above mode 0 */ + new Array( /* left mode 0 */ 231, 120, 48, 89, 115, 113, 120, 152, 112), + new Array( /* left mode 1 */ 152, 179, 64, 126, 170, 118, 46, 70, 95), + new Array( /* left mode 2 */ 175, 69, 143, 80, 85, 82, 72, 155, 103), + new Array( /* left mode 3 */ 56, 58, 10, 171, 218, 189, 17, 13, 152), + new Array( /* left mode 4 */ 144, 71, 10, 38, 171, 213, 144, 34, 26), + new Array( /* left mode 5 */ 114, 26, 17, 163, 44, 195, 21, 10, 173), + new Array( /* left mode 6 */ 121, 24, 80, 195, 26, 62, 44, 64, 85), + new Array( /* left mode 7 */ 170, 46, 55, 19, 136, 160, 33, 206, 71), + new Array( /* left mode 8 */ 63, 20, 8, 114, 114, 208, 12, 9, 226), + new Array( /* left mode 9 */ 81, 40, 11, 96, 182, 84, 29, 16, 36) ), - new Array( /* coeff band 6 */ - new Array( 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128), - new Array( 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128), - new Array( 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128) + new Array( /* above mode 1 */ + new Array( /* left mode 0 */ 134, 183, 89, 137, 98, 101, 106, 165, 148), + new Array( /* left mode 1 */ 72, 187, 100, 130, 157, 111, 32, 75, 80), + new Array( /* left mode 2 */ 66, 102, 167, 99, 74, 62, 40, 234, 128), + new Array( /* left mode 3 */ 41, 53, 9, 178, 241, 141, 26, 8, 107), + new Array( /* left mode 4 */ 104, 79, 12, 27, 217, 255, 87, 17, 7), + new Array( /* left mode 5 */ 74, 43, 26, 146, 73, 166, 49, 23, 157), + new Array( /* left mode 6 */ 65, 38, 105, 160, 51, 52, 31, 115, 128), + new Array( /* left mode 7 */ 87, 68, 71, 44, 114, 51, 15, 186, 23), + new Array( /* left mode 8 */ 47, 41, 14, 110, 182, 183, 21, 17, 194), + new Array( /* left mode 9 */ 66, 45, 25, 102, 197, 189, 23, 18, 22) ), - new Array( /* coeff band 7 */ - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128) - ) - ), - new Array( /* block type 3 */ - new Array( /* coeff band 0 */ - new Array( 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255), - new Array( 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128), - new Array( 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128) + new Array( /* above mode 2 */ + new Array( /* left mode 0 */ 88, 88, 147, 150, 42, 46, 45, 196, 205), + new Array( /* left mode 1 */ 43, 97, 183, 117, 85, 38, 35, 179, 61), + new Array( /* left mode 2 */ 39, 53, 200, 87, 26, 21, 43, 232, 171), + new Array( /* left mode 3 */ 56, 34, 51, 104, 114, 102, 29, 93, 77), + new Array( /* left mode 4 */ 107, 54, 32, 26, 51, 1, 81, 43, 31), + new Array( /* left mode 5 */ 39, 28, 85, 171, 58, 165, 90, 98, 64), + new Array( /* left mode 6 */ 34, 22, 116, 206, 23, 34, 43, 166, 73), + new Array( /* left mode 7 */ 68, 25, 106, 22, 64, 171, 36, 225, 114), + new Array( /* left mode 8 */ 34, 19, 21, 102, 132, 188, 16, 76, 124), + new Array( /* left mode 9 */ 62, 18, 78, 95, 85, 57, 50, 48, 51) ), - new Array( /* coeff band 1 */ - new Array( 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128), - new Array( 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128), - new Array( 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128) + new Array( /* above mode 3 */ + new Array( /* left mode 0 */ 193, 101, 35, 159, 215, 111, 89, 46, 111), + new Array( /* left mode 1 */ 60, 148, 31, 172, 219, 228, 21, 18, 111), + new Array( /* left mode 2 */ 112, 113, 77, 85, 179, 255, 38, 120, 114), + new Array( /* left mode 3 */ 40, 42, 1, 196, 245, 209, 10, 25, 109), + new Array( /* left mode 4 */ 100, 80, 8, 43, 154, 1, 51, 26, 71), + new Array( /* left mode 5 */ 88, 43, 29, 140, 166, 213, 37, 43, 154), + new Array( /* left mode 6 */ 61, 63, 30, 155, 67, 45, 68, 1, 209), + new Array( /* left mode 7 */ 142, 78, 78, 16, 255, 128, 34, 197, 171), + new Array( /* left mode 8 */ 41, 40, 5, 102, 211, 183, 4, 1, 221), + new Array( /* left mode 9 */ 51, 50, 17, 168, 209, 192, 23, 25, 82) ), - new Array( /* coeff band 2 */ - new Array( 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128), - new Array( 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128), - new Array( 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128) + new Array( /* above mode 4 */ + new Array( /* left mode 0 */ 125, 98, 42, 88, 104, 85, 117, 175, 82), + new Array( /* left mode 1 */ 95, 84, 53, 89, 128, 100, 113, 101, 45), + new Array( /* left mode 2 */ 75, 79, 123, 47, 51, 128, 81, 171, 1), + new Array( /* left mode 3 */ 57, 17, 5, 71, 102, 57, 53, 41, 49), + new Array( /* left mode 4 */ 115, 21, 2, 10, 102, 255, 166, 23, 6), + new Array( /* left mode 5 */ 38, 33, 13, 121, 57, 73, 26, 1, 85), + new Array( /* left mode 6 */ 41, 10, 67, 138, 77, 110, 90, 47, 114), + new Array( /* left mode 7 */ 101, 29, 16, 10, 85, 128, 101, 196, 26), + new Array( /* left mode 8 */ 57, 18, 10, 102, 102, 213, 34, 20, 43), + new Array( /* left mode 9 */ 117, 20, 15, 36, 163, 128, 68, 1, 26) ), - new Array( /* coeff band 3 */ - new Array( 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128), - new Array( 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128), - new Array( 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128) + new Array( /* above mode 5 */ + new Array( /* left mode 0 */ 138, 31, 36, 171, 27, 166, 38, 44, 229), + new Array( /* left mode 1 */ 67, 87, 58, 169, 82, 115, 26, 59, 179), + new Array( /* left mode 2 */ 63, 59, 90, 180, 59, 166, 93, 73, 154), + new Array( /* left mode 3 */ 40, 40, 21, 116, 143, 209, 34, 39, 175), + new Array( /* left mode 4 */ 57, 46, 22, 24, 128, 1, 54, 17, 37), + new Array( /* left mode 5 */ 47, 15, 16, 183, 34, 223, 49, 45, 183), + new Array( /* left mode 6 */ 46, 17, 33, 183, 6, 98, 15, 32, 183), + new Array( /* left mode 7 */ 65, 32, 73, 115, 28, 128, 23, 128, 205), + new Array( /* left mode 8 */ 40, 3, 9, 115, 51, 192, 18, 6, 223), + new Array( /* left mode 9 */ 87, 37, 9, 115, 59, 77, 64, 21, 47) ), - new Array( /* coeff band 4 */ - new Array( 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128), - new Array( 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128), - new Array( 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128) + new Array( /* above mode 6 */ + new Array( /* left mode 0 */ 104, 55, 44, 218, 9, 54, 53, 130, 226), + new Array( /* left mode 1 */ 64, 90, 70, 205, 40, 41, 23, 26, 57), + new Array( /* left mode 2 */ 54, 57, 112, 184, 5, 41, 38, 166, 213), + new Array( /* left mode 3 */ 30, 34, 26, 133, 152, 116, 10, 32, 134), + new Array( /* left mode 4 */ 75, 32, 12, 51, 192, 255, 160, 43, 51), + new Array( /* left mode 5 */ 39, 19, 53, 221, 26, 114, 32, 73, 255), + new Array( /* left mode 6 */ 31, 9, 65, 234, 2, 15, 1, 118, 73), + new Array( /* left mode 7 */ 88, 31, 35, 67, 102, 85, 55, 186, 85), + new Array( /* left mode 8 */ 56, 21, 23, 111, 59, 205, 45, 37, 192), + new Array( /* left mode 9 */ 55, 38, 70, 124, 73, 102, 1, 34, 98) ), - new Array( /* coeff band 5 */ - new Array( 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128), - new Array( 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128), - new Array( 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128) + new Array( /* above mode 7 */ + new Array( /* left mode 0 */ 102, 61, 71, 37, 34, 53, 31, 243, 192), + new Array( /* left mode 1 */ 69, 60, 71, 38, 73, 119, 28, 222, 37), + new Array( /* left mode 2 */ 68, 45, 128, 34, 1, 47, 11, 245, 171), + new Array( /* left mode 3 */ 62, 17, 19, 70, 146, 85, 55, 62, 70), + new Array( /* left mode 4 */ 75, 15, 9, 9, 64, 255, 184, 119, 16), + new Array( /* left mode 5 */ 37, 43, 37, 154, 100, 163, 85, 160, 1), + new Array( /* left mode 6 */ 63, 9, 92, 136, 28, 64, 32, 201, 85), + new Array( /* left mode 7 */ 86, 6, 28, 5, 64, 255, 25, 248, 1), + new Array( /* left mode 8 */ 56, 8, 17, 132, 137, 255, 55, 116, 128), + new Array( /* left mode 9 */ 58, 15, 20, 82, 135, 57, 26, 121, 40) ), - new Array( /* coeff band 6 */ - new Array( 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128), - new Array( 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128), - new Array( 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128) + new Array( /* above mode 8 */ + new Array( /* left mode 0 */ 164, 50, 31, 137, 154, 133, 25, 35, 218), + new Array( /* left mode 1 */ 51, 103, 44, 131, 131, 123, 31, 6, 158), + new Array( /* left mode 2 */ 86, 40, 64, 135, 148, 224, 45, 183, 128), + new Array( /* left mode 3 */ 22, 26, 17, 131, 240, 154, 14, 1, 209), + new Array( /* left mode 4 */ 83, 12, 13, 54, 192, 255, 68, 47, 28), + new Array( /* left mode 5 */ 45, 16, 21, 91, 64, 222, 7, 1, 197), + new Array( /* left mode 6 */ 56, 21, 39, 155, 60, 138, 23, 102, 213), + new Array( /* left mode 7 */ 85, 26, 85, 85, 128, 128, 32, 146, 171), + new Array( /* left mode 8 */ 18, 11, 7, 63, 144, 171, 4, 4, 246), + new Array( /* left mode 9 */ 35, 27, 10, 146, 174, 171, 12, 26, 128) ), - new Array( /* coeff band 7 */ - new Array( 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128), - new Array( 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128) + new Array( /* above mode 9 */ + new Array( /* left mode 0 */ 190, 80, 35, 99, 180, 80, 126, 54, 45), + new Array( /* left mode 1 */ 85, 126, 47, 87, 176, 51, 41, 20, 32), + new Array( /* left mode 2 */ 101, 75, 128, 139, 118, 146, 116, 128, 85), + new Array( /* left mode 3 */ 56, 41, 15, 176, 236, 85, 37, 9, 62), + new Array( /* left mode 4 */ 146, 36, 19, 30, 171, 255, 97, 27, 20), + new Array( /* left mode 5 */ 71, 30, 17, 119, 118, 255, 17, 18, 138), + new Array( /* left mode 6 */ 101, 38, 60, 138, 55, 70, 43, 26, 142), + new Array( /* left mode 7 */ 138, 45, 61, 62, 219, 1, 81, 188, 64), + new Array( /* left mode 8 */ 32, 41, 20, 117, 151, 142, 20, 21, 163), + new Array( /* left mode 9 */ 112, 19, 12, 61, 195, 128, 48, 4, 24) ) - ) -); - - -var k_mv_entropy_update_probs = -new Array( - new Array( - 237, - 246, - 253, 253, 254, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 - ), - new Array( - 231, - 243, - 245, 253, 254, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 - ) -); - - -var k_default_mv_probs = function() { -return new Array( - new Array( /* row */ - 162, /* is short */ - 128, /* sign */ - 225, 146, 172, 147, 214, 39, 156, /* short tree */ - 128, 129, 132, 75, 145, 178, 206, 239, 254, 254 /* long bits */ - ), - new Array( - 164, - 128, - 204, 170, 119, 235, 140, 230, 228, - 128, 130, 130, 74, 148, 180, 203, 236, 254, 254 - - ) -) -}; - - -var dc_q_lookup = -new Array( - 4, 5, 6, 7, 8, 9, 10, 10, - 11, 12, 13, 14, 15, 16, 17, 17, - 18, 19, 20, 20, 21, 21, 22, 22, - 23, 23, 24, 25, 25, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, - 37, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 46, 47, 48, 49, 50, - 51, 52, 53, 54, 55, 56, 57, 58, - 59, 60, 61, 62, 63, 64, 65, 66, - 67, 68, 69, 70, 71, 72, 73, 74, - 75, 76, 76, 77, 78, 79, 80, 81, - 82, 83, 84, 85, 86, 87, 88, 89, - 91, 93, 95, 96, 98, 100, 101, 102, - 104, 106, 108, 110, 112, 114, 116, 118, - 122, 124, 126, 128, 130, 132, 134, 136, - 138, 140, 143, 145, 148, 151, 154, 157 -); -var ac_q_lookup = -new Array( - 4, 5, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 19, - 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, - 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, - 52, 53, 54, 55, 56, 57, 58, 60, - 62, 64, 66, 68, 70, 72, 74, 76, - 78, 80, 82, 84, 86, 88, 90, 92, - 94, 96, 98, 100, 102, 104, 106, 108, - 110, 112, 114, 116, 119, 122, 125, 128, - 131, 134, 137, 140, 143, 146, 149, 152, - 155, 158, 161, 164, 167, 170, 173, 177, - 181, 185, 189, 193, 197, 201, 205, 209, - 213, 217, 221, 225, 229, 234, 239, 245, - 249, 254, 259, 264, 269, 274, 279, 284 -); - - -var kf_y_mode_probs = new Array( 145, 156, 163, 128); -var kf_uv_mode_probs = new Array( 142, 114, 183); -var kf_b_mode_probs = -new Array( - new Array( /* above mode 0 */ - new Array( /* left mode 0 */ 231, 120, 48, 89, 115, 113, 120, 152, 112), - new Array( /* left mode 1 */ 152, 179, 64, 126, 170, 118, 46, 70, 95), - new Array( /* left mode 2 */ 175, 69, 143, 80, 85, 82, 72, 155, 103), - new Array( /* left mode 3 */ 56, 58, 10, 171, 218, 189, 17, 13, 152), - new Array( /* left mode 4 */ 144, 71, 10, 38, 171, 213, 144, 34, 26), - new Array( /* left mode 5 */ 114, 26, 17, 163, 44, 195, 21, 10, 173), - new Array( /* left mode 6 */ 121, 24, 80, 195, 26, 62, 44, 64, 85), - new Array( /* left mode 7 */ 170, 46, 55, 19, 136, 160, 33, 206, 71), - new Array( /* left mode 8 */ 63, 20, 8, 114, 114, 208, 12, 9, 226), - new Array( /* left mode 9 */ 81, 40, 11, 96, 182, 84, 29, 16, 36) - ), - new Array( /* above mode 1 */ - new Array( /* left mode 0 */ 134, 183, 89, 137, 98, 101, 106, 165, 148), - new Array( /* left mode 1 */ 72, 187, 100, 130, 157, 111, 32, 75, 80), - new Array( /* left mode 2 */ 66, 102, 167, 99, 74, 62, 40, 234, 128), - new Array( /* left mode 3 */ 41, 53, 9, 178, 241, 141, 26, 8, 107), - new Array( /* left mode 4 */ 104, 79, 12, 27, 217, 255, 87, 17, 7), - new Array( /* left mode 5 */ 74, 43, 26, 146, 73, 166, 49, 23, 157), - new Array( /* left mode 6 */ 65, 38, 105, 160, 51, 52, 31, 115, 128), - new Array( /* left mode 7 */ 87, 68, 71, 44, 114, 51, 15, 186, 23), - new Array( /* left mode 8 */ 47, 41, 14, 110, 182, 183, 21, 17, 194), - new Array( /* left mode 9 */ 66, 45, 25, 102, 197, 189, 23, 18, 22) - ), - new Array( /* above mode 2 */ - new Array( /* left mode 0 */ 88, 88, 147, 150, 42, 46, 45, 196, 205), - new Array( /* left mode 1 */ 43, 97, 183, 117, 85, 38, 35, 179, 61), - new Array( /* left mode 2 */ 39, 53, 200, 87, 26, 21, 43, 232, 171), - new Array( /* left mode 3 */ 56, 34, 51, 104, 114, 102, 29, 93, 77), - new Array( /* left mode 4 */ 107, 54, 32, 26, 51, 1, 81, 43, 31), - new Array( /* left mode 5 */ 39, 28, 85, 171, 58, 165, 90, 98, 64), - new Array( /* left mode 6 */ 34, 22, 116, 206, 23, 34, 43, 166, 73), - new Array( /* left mode 7 */ 68, 25, 106, 22, 64, 171, 36, 225, 114), - new Array( /* left mode 8 */ 34, 19, 21, 102, 132, 188, 16, 76, 124), - new Array( /* left mode 9 */ 62, 18, 78, 95, 85, 57, 50, 48, 51) - ), - new Array( /* above mode 3 */ - new Array( /* left mode 0 */ 193, 101, 35, 159, 215, 111, 89, 46, 111), - new Array( /* left mode 1 */ 60, 148, 31, 172, 219, 228, 21, 18, 111), - new Array( /* left mode 2 */ 112, 113, 77, 85, 179, 255, 38, 120, 114), - new Array( /* left mode 3 */ 40, 42, 1, 196, 245, 209, 10, 25, 109), - new Array( /* left mode 4 */ 100, 80, 8, 43, 154, 1, 51, 26, 71), - new Array( /* left mode 5 */ 88, 43, 29, 140, 166, 213, 37, 43, 154), - new Array( /* left mode 6 */ 61, 63, 30, 155, 67, 45, 68, 1, 209), - new Array( /* left mode 7 */ 142, 78, 78, 16, 255, 128, 34, 197, 171), - new Array( /* left mode 8 */ 41, 40, 5, 102, 211, 183, 4, 1, 221), - new Array( /* left mode 9 */ 51, 50, 17, 168, 209, 192, 23, 25, 82) - ), - new Array( /* above mode 4 */ - new Array( /* left mode 0 */ 125, 98, 42, 88, 104, 85, 117, 175, 82), - new Array( /* left mode 1 */ 95, 84, 53, 89, 128, 100, 113, 101, 45), - new Array( /* left mode 2 */ 75, 79, 123, 47, 51, 128, 81, 171, 1), - new Array( /* left mode 3 */ 57, 17, 5, 71, 102, 57, 53, 41, 49), - new Array( /* left mode 4 */ 115, 21, 2, 10, 102, 255, 166, 23, 6), - new Array( /* left mode 5 */ 38, 33, 13, 121, 57, 73, 26, 1, 85), - new Array( /* left mode 6 */ 41, 10, 67, 138, 77, 110, 90, 47, 114), - new Array( /* left mode 7 */ 101, 29, 16, 10, 85, 128, 101, 196, 26), - new Array( /* left mode 8 */ 57, 18, 10, 102, 102, 213, 34, 20, 43), - new Array( /* left mode 9 */ 117, 20, 15, 36, 163, 128, 68, 1, 26) - ), - new Array( /* above mode 5 */ - new Array( /* left mode 0 */ 138, 31, 36, 171, 27, 166, 38, 44, 229), - new Array( /* left mode 1 */ 67, 87, 58, 169, 82, 115, 26, 59, 179), - new Array( /* left mode 2 */ 63, 59, 90, 180, 59, 166, 93, 73, 154), - new Array( /* left mode 3 */ 40, 40, 21, 116, 143, 209, 34, 39, 175), - new Array( /* left mode 4 */ 57, 46, 22, 24, 128, 1, 54, 17, 37), - new Array( /* left mode 5 */ 47, 15, 16, 183, 34, 223, 49, 45, 183), - new Array( /* left mode 6 */ 46, 17, 33, 183, 6, 98, 15, 32, 183), - new Array( /* left mode 7 */ 65, 32, 73, 115, 28, 128, 23, 128, 205), - new Array( /* left mode 8 */ 40, 3, 9, 115, 51, 192, 18, 6, 223), - new Array( /* left mode 9 */ 87, 37, 9, 115, 59, 77, 64, 21, 47) - ), - new Array( /* above mode 6 */ - new Array( /* left mode 0 */ 104, 55, 44, 218, 9, 54, 53, 130, 226), - new Array( /* left mode 1 */ 64, 90, 70, 205, 40, 41, 23, 26, 57), - new Array( /* left mode 2 */ 54, 57, 112, 184, 5, 41, 38, 166, 213), - new Array( /* left mode 3 */ 30, 34, 26, 133, 152, 116, 10, 32, 134), - new Array( /* left mode 4 */ 75, 32, 12, 51, 192, 255, 160, 43, 51), - new Array( /* left mode 5 */ 39, 19, 53, 221, 26, 114, 32, 73, 255), - new Array( /* left mode 6 */ 31, 9, 65, 234, 2, 15, 1, 118, 73), - new Array( /* left mode 7 */ 88, 31, 35, 67, 102, 85, 55, 186, 85), - new Array( /* left mode 8 */ 56, 21, 23, 111, 59, 205, 45, 37, 192), - new Array( /* left mode 9 */ 55, 38, 70, 124, 73, 102, 1, 34, 98) - ), - new Array( /* above mode 7 */ - new Array( /* left mode 0 */ 102, 61, 71, 37, 34, 53, 31, 243, 192), - new Array( /* left mode 1 */ 69, 60, 71, 38, 73, 119, 28, 222, 37), - new Array( /* left mode 2 */ 68, 45, 128, 34, 1, 47, 11, 245, 171), - new Array( /* left mode 3 */ 62, 17, 19, 70, 146, 85, 55, 62, 70), - new Array( /* left mode 4 */ 75, 15, 9, 9, 64, 255, 184, 119, 16), - new Array( /* left mode 5 */ 37, 43, 37, 154, 100, 163, 85, 160, 1), - new Array( /* left mode 6 */ 63, 9, 92, 136, 28, 64, 32, 201, 85), - new Array( /* left mode 7 */ 86, 6, 28, 5, 64, 255, 25, 248, 1), - new Array( /* left mode 8 */ 56, 8, 17, 132, 137, 255, 55, 116, 128), - new Array( /* left mode 9 */ 58, 15, 20, 82, 135, 57, 26, 121, 40) - ), - new Array( /* above mode 8 */ - new Array( /* left mode 0 */ 164, 50, 31, 137, 154, 133, 25, 35, 218), - new Array( /* left mode 1 */ 51, 103, 44, 131, 131, 123, 31, 6, 158), - new Array( /* left mode 2 */ 86, 40, 64, 135, 148, 224, 45, 183, 128), - new Array( /* left mode 3 */ 22, 26, 17, 131, 240, 154, 14, 1, 209), - new Array( /* left mode 4 */ 83, 12, 13, 54, 192, 255, 68, 47, 28), - new Array( /* left mode 5 */ 45, 16, 21, 91, 64, 222, 7, 1, 197), - new Array( /* left mode 6 */ 56, 21, 39, 155, 60, 138, 23, 102, 213), - new Array( /* left mode 7 */ 85, 26, 85, 85, 128, 128, 32, 146, 171), - new Array( /* left mode 8 */ 18, 11, 7, 63, 144, 171, 4, 4, 246), - new Array( /* left mode 9 */ 35, 27, 10, 146, 174, 171, 12, 26, 128) - ), - new Array( /* above mode 9 */ - new Array( /* left mode 0 */ 190, 80, 35, 99, 180, 80, 126, 54, 45), - new Array( /* left mode 1 */ 85, 126, 47, 87, 176, 51, 41, 20, 32), - new Array( /* left mode 2 */ 101, 75, 128, 139, 118, 146, 116, 128, 85), - new Array( /* left mode 3 */ 56, 41, 15, 176, 236, 85, 37, 9, 62), - new Array( /* left mode 4 */ 146, 36, 19, 30, 171, 255, 97, 27, 20), - new Array( /* left mode 5 */ 71, 30, 17, 119, 118, 255, 17, 18, 138), - new Array( /* left mode 6 */ 101, 38, 60, 138, 55, 70, 43, 26, 142), - new Array( /* left mode 7 */ 138, 45, 61, 62, 219, 1, 81, 188, 64), - new Array( /* left mode 8 */ 32, 41, 20, 117, 151, 142, 20, 21, 163), - new Array( /* left mode 9 */ 112, 19, 12, 61, 195, 128, 48, 4, 24) - ) -); + ); var kf_y_mode_tree = -new Array( - -B_PRED, 2, - 4, 6, - -DC_PRED, -V_PRED, - -H_PRED, -TM_PRED -); + new Array(-B_PRED, 2, + 4, 6, -DC_PRED, -V_PRED, -H_PRED, -TM_PRED + ); var y_mode_tree = -new Array( - -DC_PRED, 2, - 4, 6, - -V_PRED, -H_PRED, - -TM_PRED, -B_PRED -); + new Array(-DC_PRED, 2, + 4, 6, -V_PRED, -H_PRED, -TM_PRED, -B_PRED + ); var uv_mode_tree = -new Array( - -DC_PRED, 2, - -V_PRED, 4, - -H_PRED, -TM_PRED -); + new Array(-DC_PRED, 2, -V_PRED, 4, -H_PRED, -TM_PRED); var b_mode_tree = -new Array( - -B_DC_PRED, 2, /* 0 = DC_NODE */ - -B_TM_PRED, 4, /* 1 = TM_NODE */ - -B_VE_PRED, 6, /* 2 = VE_NODE */ - 8, 12, /* 3 = COM_NODE */ - -B_HE_PRED, 10, /* 4 = HE_NODE */ - -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */ - -B_LD_PRED, 14, /* 6 = LD_NODE */ - -B_VL_PRED, 16, /* 7 = VL_NODE */ - -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */ -); + new Array(-B_DC_PRED, 2, /* 0 = DC_NODE */ -B_TM_PRED, 4, /* 1 = TM_NODE */ -B_VE_PRED, 6, /* 2 = VE_NODE */ + 8, 12, /* 3 = COM_NODE */ -B_HE_PRED, 10, /* 4 = HE_NODE */ -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */ -B_LD_PRED, 14, /* 6 = LD_NODE */ -B_VL_PRED, 16, /* 7 = VL_NODE */ -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */ + ); var small_mv_tree = -new Array( - 2, 8, - 4, 6, - -0, -1, - -2, -3, - 10, 12, - -4, -5, - -6, -7 -); + new Array( + 2, 8, + 4, 6, -0, -1, -2, -3, + 10, 12, -4, -5, -6, -7 + ); var mv_ref_tree = -new Array( - -ZEROMV, 2, - -NEARESTMV, 4, - -NEARMV, 6, - -NEWMV, -SPLITMV -); + new Array(-ZEROMV, 2, -NEARESTMV, 4, -NEARMV, 6, -NEWMV, -SPLITMV); var submv_ref_tree = -new Array( - -LEFT4X4, 2, - -ABOVE4X4, 4, - -ZERO4X4, -NEW4X4 -); + new Array(-LEFT4X4, 2, -ABOVE4X4, 4, -ZERO4X4, -NEW4X4); var split_mv_tree = -new Array( - -3, 2, - -2, 4, - -0, -1 -); + new Array(-3, 2, -2, 4, -0, -1); var default_b_mode_probs = -new Array( 120, 90, 79, 133, 87, 85, 80, 111, 151); + new Array(120, 90, 79, 133, 87, 85, 80, 111, 151); var mv_counts_to_probs = -new Array( - new Array( 7, 1, 1, 143 ), - new Array( 14, 18, 14, 107 ), - new Array( 135, 64, 57, 68 ), - new Array( 60, 56, 128, 65 ), - new Array( 159, 134, 128, 34 ), - new Array( 234, 188, 128, 28 ) - -); + new Array( + new Array(7, 1, 1, 143), + new Array(14, 18, 14, 107), + new Array(135, 64, 57, 68), + new Array(60, 56, 128, 65), + new Array(159, 134, 128, 34), + new Array(234, 188, 128, 28) + + ); var split_mv_probs = -new Array( 110, 111, 150); + new Array(110, 111, 150); var submv_ref_probs2 = -new Array( - new Array( 147, 136, 18 ), - new Array( 106, 145, 1 ), - new Array( 179, 121, 1 ), - new Array( 223, 1, 34 ), - new Array( 208, 1, 1 ) -); + new Array( + new Array(147, 136, 18), + new Array(106, 145, 1), + new Array(179, 121, 1), + new Array(223, 1, 34), + new Array(208, 1, 1) + ); var mv_partitions = -new Array( - new Array(0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 ), - new Array(0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 ), - new Array(0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3 ), - new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 ) -); + new Array( + new Array(0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1), + new Array(0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1), + new Array(0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3), + new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15) + ); //16 -var mv_clamp_rect = function() -{ - this.to_left=int_, this.to_right=int_, this.to_top=int_, this.to_bottom=int_ +var mv_clamp_rect = function() { + this.to_left = int_, this.to_right = int_, this.to_top = int_, this.to_bottom = int_ }; //22 function - clamp_mv(raw, bounds) -{ - var newmv=new mv(); +clamp_mv(raw, bounds) { + var newmv = new mv(); - newmv.d.x = (raw.d.x < bounds.to_left) - ? bounds.to_left : raw.d.x; - newmv.d.x = (raw.d.x > bounds.to_right) - ? bounds.to_right : newmv.d.x; - newmv.d.y = (raw.d.y < bounds.to_top) - ? bounds.to_top : raw.d.y; - newmv.d.y = (raw.d.y > bounds.to_bottom) - ? bounds.to_bottom : newmv.d.y; + newmv.d.x = (raw.d.x < bounds.to_left) ? bounds.to_left : raw.d.x; + newmv.d.x = (raw.d.x > bounds.to_right) ? bounds.to_right : newmv.d.x; + newmv.d.y = (raw.d.y < bounds.to_top) ? bounds.to_top : raw.d.y; + newmv.d.y = (raw.d.y > bounds.to_bottom) ? bounds.to_bottom : newmv.d.y; return newmv; } //39 function -read_segment_id(bool, seg) -{ - return bool_get(bool, seg.tree_probs[0]) - ? 2 + bool_get(bool, seg.tree_probs[2]) - : bool_get(bool, seg.tree_probs[1]); +read_segment_id(bool, seg) { + return bool_get(bool, seg.tree_probs[0]) ? 2 + bool_get(bool, seg.tree_probs[2]) : bool_get(bool, seg.tree_probs[1]); } //48 function -above_block_mode(this_,//* - above,//* - b) -{ - if (b < 4) - { - switch (above.base.y_mode) - { - case DC_PRED: - return B_DC_PRED; - case V_PRED: - return B_VE_PRED; - case H_PRED: - return B_HE_PRED; - case TM_PRED: - return B_TM_PRED; - case B_PRED: - return above.splitt.mvs[b+12].d.x; - default: - assert(0); +above_block_mode(this_, //* + above, //* + b) { + if (b < 4) { + switch (above.base.y_mode) { + case DC_PRED: + return B_DC_PRED; + case V_PRED: + return B_VE_PRED; + case H_PRED: + return B_HE_PRED; + case TM_PRED: + return B_TM_PRED; + case B_PRED: + return above.splitt.mvs[b + 12].d.x; + default: + assert(0); } } - return this_.splitt.mvs[b-4].d.x; + return this_.splitt.mvs[b - 4].d.x; } //76 function -left_block_mode(this_,//* - left,//* - b) -{ - if (!(b & 3)) - { - switch (left.base.y_mode) - { - case DC_PRED: - return B_DC_PRED; - case V_PRED: - return B_VE_PRED; - case H_PRED: - return B_HE_PRED; - case TM_PRED: - return B_TM_PRED; - case B_PRED: - return left.splitt.mvs[b+3].d.x; - default: - assert(0); +left_block_mode(this_, //* + left, //* + b) { + if (!(b & 3)) { + switch (left.base.y_mode) { + case DC_PRED: + return B_DC_PRED; + case V_PRED: + return B_VE_PRED; + case H_PRED: + return B_HE_PRED; + case TM_PRED: + return B_TM_PRED; + case B_PRED: + return left.splitt.mvs[b + 3].d.x; + default: + assert(0); } } - return this_.splitt.mvs[b-1].d.x; + return this_.splitt.mvs[b - 1].d.x; } //104 function -decode_kf_mb_mode(this_, this_off,//* - left, left_off,//* - above, above_off,//* - bool)//* +decode_kf_mb_mode(this_, this_off, //* + left, left_off, //* + above, above_off, //* + bool) //* { - var y_mode=int_, uv_mode=int_; + var y_mode = int_, + uv_mode = int_; y_mode = bool_read_tree(bool, kf_y_mode_tree, kf_y_mode_probs); - if (y_mode == B_PRED) - { - var i=int_; + if (y_mode == B_PRED) { + var i = int_; - for (i = 0; i < 16; i++) - { + for (i = 0; i < 16; i++) { var a = above_block_mode(this_[this_off], above[above_off], i); var l = left_block_mode(this_[this_off], left[left_off], i); - var b=0;//enum prediction_mode + var b = 0; //enum prediction_mode b = bool_read_tree(bool, b_mode_tree, - kf_b_mode_probs[a][l]); - this_[this_off].splitt.modes[i] = this_[this_off].splitt.mvs[i].d.x = b;this_[this_off].splitt.mvs[i].d.y = 0; + kf_b_mode_probs[a][l]); + this_[this_off].splitt.modes[i] = this_[this_off].splitt.mvs[i].d.x = b; + this_[this_off].splitt.mvs[i].d.y = 0; } } @@ -3631,7 +3606,7 @@ decode_kf_mb_mode(this_, this_off,//* this_[this_off].base.y_mode = y_mode; this_[this_off].base.uv_mode = uv_mode; - this_[this_off].base.mv.d.x = this_[this_off].base.mv.d.y = 0;//raw = 0; + this_[this_off].base.mv.d.x = this_[this_off].base.mv.d.y = 0; //raw = 0; this_[this_off].base.ref_frame = 0; } @@ -3639,26 +3614,25 @@ decode_kf_mb_mode(this_, this_off,//* //139 function decode_intra_mb_mode(this_, - hdr, - bool) -{ + hdr, + bool) { /* Like decode_kf_mb_mode, but with probabilities transmitted in the * bitstream and no context on the above/left block mode. */ - var y_mode=int_, uv_mode=int_; + var y_mode = int_, + uv_mode = int_; y_mode = bool_read_tree(bool, y_mode_tree, hdr.y_mode_probs); - if (y_mode == B_PRED) - { - var i=int_; + if (y_mode == B_PRED) { + var i = int_; - for (i = 0; i < 16; i++) - { - var b;//enum ='prediction_mode' + for (i = 0; i < 16; i++) { + var b; //enum ='prediction_mode' b = bool_read_tree(bool, b_mode_tree, default_b_mode_probs); - this_.splitt.modes[i] = this_.splitt.mvs[i].d.x = b;this_.splitt.mvs[i].d.y = 0; + this_.splitt.modes[i] = this_.splitt.mvs[i].d.x = b; + this_.splitt.mvs[i].d.y = 0; } } @@ -3666,7 +3640,7 @@ decode_intra_mb_mode(this_, this_.base.y_mode = y_mode; this_.base.uv_mode = uv_mode; - this_.base.mv.d.x = this_.base.mv.d.y = 0;//.raw + this_.base.mv.d.x = this_.base.mv.d.y = 0; //.raw this_.base.ref_frame = CURRENT_FRAME; } @@ -3674,13 +3648,15 @@ decode_intra_mb_mode(this_, //173 function read_mv_component(bool, - mvc) -{ - var IS_SHORT=0, SIGN=1, SHORT=2, BITS = SHORT + 8 - 1, LONG_WIDTH = 10; + mvc) { + var IS_SHORT = 0, + SIGN = 1, + SHORT = 2, + BITS = SHORT + 8 - 1, + LONG_WIDTH = 10; var x = 0; - if (bool_get(bool, mvc[IS_SHORT])) /* Large */ - { + if (bool_get(bool, mvc[IS_SHORT])) /* Large */ { var i = 0; for (i = 0; i < 3; i++) @@ -3690,11 +3666,10 @@ read_mv_component(bool, for (i = LONG_WIDTH - 1; i > 3; i--) x += bool_get(bool, mvc[BITS + i]) << i; - if (!(x & 0xFFF0) || bool_get(bool, mvc[BITS + 3])) + if (!(x & 0xFFF0) || bool_get(bool, mvc[BITS + 3])) x += 8; - } - else /* small */ - x = bool_read_tree(bool, small_mv_tree, mvc, + SHORT);//todo + } else /* small */ + x = bool_read_tree(bool, small_mv_tree, mvc, +SHORT); //todo if (x && bool_get(bool, mvc[SIGN])) x = -x; @@ -3706,54 +3681,48 @@ read_mv_component(bool, //204 function above_block_mv(this_, - above_, - b) -{ - if (b < 4) - { + above_, + b) { + if (b < 4) { if (above_.base.y_mode == SPLITMV) - return above_.splitt.mvs[b+12]; + return above_.splitt.mvs[b + 12]; return above_.base.mv; } - return this_.splitt.mvs[b-4]; + return this_.splitt.mvs[b - 4]; } //221 function left_block_mv(this_, - left_, - b) -{ - if (!(b & 3)) - { + left_, + b) { + if (!(b & 3)) { if (left_.base.y_mode == SPLITMV) - return left_.splitt.mvs[b+3]; + return left_.splitt.mvs[b + 3]; return left_.base.mv; } - return this_.splitt.mvs[b-1]; + return this_.splitt.mvs[b - 1]; } //238 function -submv_ref(bool, l, a) -{ +submv_ref(bool, l, a) { var - SUBMVREF_NORMAL=0, - SUBMVREF_LEFT_ZED=1, - SUBMVREF_ABOVE_ZED=2, - SUBMVREF_LEFT_ABOVE_SAME=3, - SUBMVREF_LEFT_ABOVE_ZED=4 - ; - - var lez = !(l.d.x || l.d.y)+0;//.raw - var aez = !(a.d.x || a.d.y)+0;//.raw - var lea = (l.d.x == a.d.x && l.d.y == a.d.y)+0;//l.raw == a.raw + SUBMVREF_NORMAL = 0, + SUBMVREF_LEFT_ZED = 1, + SUBMVREF_ABOVE_ZED = 2, + SUBMVREF_LEFT_ABOVE_SAME = 3, + SUBMVREF_LEFT_ABOVE_ZED = 4; + + var lez = !(l.d.x || l.d.y) + 0; //.raw + var aez = !(a.d.x || a.d.y) + 0; //.raw + var lea = (l.d.x == a.d.x && l.d.y == a.d.y) + 0; //l.raw == a.raw var ctx = SUBMVREF_NORMAL; if (lea && lez) @@ -3772,9 +3741,8 @@ submv_ref(bool, l, a) //268 function read_mv(bool, - mv, - mvc) -{ + mv, + mvc) { mv.d.y = read_mv_component(bool, mvc[0]); mv.d.x = read_mv_component(bool, mvc[1]); } @@ -3783,12 +3751,10 @@ read_mv(bool, //278 function mv_bias(mb, - sign_bias, - ref_frame, - mv) -{ - if (sign_bias[mb.base.ref_frame] ^ sign_bias[ref_frame]) - { + sign_bias, + ref_frame, + mv) { + if (sign_bias[mb.base.ref_frame] ^ sign_bias[ref_frame]) { mv.d.x *= -1; mv.d.y *= -1; } @@ -3800,38 +3766,41 @@ var CNT_ZEROZERO = 0, CNT_NEAREST = 1, CNT_NEAR = 2, - CNT_SPLITMV = 3 -; + CNT_SPLITMV = 3; -var this_mv_1=new mv();var this_mv_2=new mv(); +var this_mv_1 = new mv(); +var this_mv_2 = new mv(); //302 function find_near_mvs(this_, - left, - left_off, - above, - above_off, - sign_bias, - near_mvs, - cnt) -{ - var aboveleft = above; var aboveleft_off = above_off - 1; - var mv_ = (near_mvs);var mv_off = 0; - var cntx = cnt; var cntx_off = 0; + left, + left_off, + above, + above_off, + sign_bias, + near_mvs, + cnt) { + var aboveleft = above; + var aboveleft_off = above_off - 1; + var mv_ = (near_mvs); + var mv_off = 0; + var cntx = cnt; + var cntx_off = 0; /* Zero accumulators */ - mv_[0].d.x = mv_[1].d.x = mv_[2].d.x = 0;//.raw - mv_[0].d.y = mv_[1].d.y = mv_[2].d.y = 0;//.raw + mv_[0].d.x = mv_[1].d.x = mv_[2].d.x = 0; //.raw + mv_[0].d.y = mv_[1].d.y = mv_[2].d.y = 0; //.raw cnt[0] = cnt[1] = cnt[2] = cnt[3] = 0; - - var above_ = above[above_off]; var left_ = left[left_off]; var aboveleft_ = aboveleft[aboveleft_off]; + + var above_ = above[above_off]; + var left_ = left[left_off]; + var aboveleft_ = aboveleft[aboveleft_off]; /* Process above */ - if (above_.base.ref_frame != CURRENT_FRAME) - { - if (above_.base.mv.d.x || above_.base.mv.d.y)//.raw + if (above_.base.ref_frame != CURRENT_FRAME) { + if (above_.base.mv.d.x || above_.base.mv.d.y) //.raw { - mv_[(++mv_off)].d.x = above_.base.mv.d.x;//.raw - mv_[( mv_off)].d.y = above_.base.mv.d.y;//.raw + mv_[(++mv_off)].d.x = above_.base.mv.d.x; //.raw + mv_[(mv_off)].d.y = above_.base.mv.d.y; //.raw mv_bias(above_, sign_bias, this_.base.ref_frame, mv_[mv_off]); ++cntx_off; } @@ -3840,75 +3809,68 @@ find_near_mvs(this_, } /* Process left */ - if (left_.base.ref_frame != CURRENT_FRAME) - { - if (left_.base.mv.d.x || left_.base.mv.d.y)//.raw + if (left_.base.ref_frame != CURRENT_FRAME) { + if (left_.base.mv.d.x || left_.base.mv.d.y) //.raw { - var this_mv=this_mv_1; + var this_mv = this_mv_1; - this_mv.d.x = left_.base.mv.d.x;//.raw - this_mv.d.y = left_.base.mv.d.y;//.raw + this_mv.d.x = left_.base.mv.d.x; //.raw + this_mv.d.y = left_.base.mv.d.y; //.raw mv_bias(left_, sign_bias, this_.base.ref_frame, this_mv); - if (this_mv.d.x != mv_[mv_off].d.x || this_mv.d.y != mv_[mv_off].d.y)//.raw!=->raw + if (this_mv.d.x != mv_[mv_off].d.x || this_mv.d.y != mv_[mv_off].d.y) //.raw!=->raw { - mv_[(++mv_off)].d.x = this_mv.d.x;//->raw - mv_[( mv_off)].d.y = this_mv.d.y;//->raw + mv_[(++mv_off)].d.x = this_mv.d.x; //->raw + mv_[(mv_off)].d.y = this_mv.d.y; //->raw ++cntx_off; } cntx[cntx_off] += 2; - } - else + } else cnt[CNT_ZEROZERO] += 2; } /* Process above left */ - if (aboveleft_.base.ref_frame != CURRENT_FRAME) - { - if (aboveleft_.base.mv.d.x || aboveleft_.base.mv.d.y)//.raw + if (aboveleft_.base.ref_frame != CURRENT_FRAME) { + if (aboveleft_.base.mv.d.x || aboveleft_.base.mv.d.y) //.raw { - var this_mv=this_mv_2; + var this_mv = this_mv_2; - this_mv.d.x = aboveleft_.base.mv.d.x;//.raw - this_mv.d.y = aboveleft_.base.mv.d.y;//.raw + this_mv.d.x = aboveleft_.base.mv.d.x; //.raw + this_mv.d.y = aboveleft_.base.mv.d.y; //.raw mv_bias(aboveleft_, sign_bias, this_.base.ref_frame, - this_mv); + this_mv); - if (this_mv.d.x != mv_[mv_off].d.x || this_mv.d.y != mv_[mv_off].d.y)//.raw + if (this_mv.d.x != mv_[mv_off].d.x || this_mv.d.y != mv_[mv_off].d.y) //.raw { - mv_[(++mv_off)].d.x = this_mv.d.x;//.raw - mv_[( mv_off)].d.y = this_mv.d.y;//.raw + mv_[(++mv_off)].d.x = this_mv.d.x; //.raw + mv_[(mv_off)].d.y = this_mv.d.y; //.raw ++cntx_off; } cntx[cntx_off] += 1; - } - else + } else cnt[CNT_ZEROZERO] += 1; } /* If we have three distinct MV's ... */ - if (cnt[CNT_SPLITMV]) - { + if (cnt[CNT_SPLITMV]) { /* See if above-left MV can be merged with NEAREST */ - if (mv_[mv_off].d.x == near_mvs[CNT_NEAREST].d.x && mv_[mv_off].d.y == near_mvs[CNT_NEAREST].d.y)//.raw + if (mv_[mv_off].d.x == near_mvs[CNT_NEAREST].d.x && mv_[mv_off].d.y == near_mvs[CNT_NEAREST].d.y) //.raw cnt[CNT_NEAREST] += 1; } - cnt[CNT_SPLITMV] = ((above_.base.y_mode == SPLITMV) - + (left_.base.y_mode == SPLITMV)) * 2 - + (aboveleft_.base.y_mode == SPLITMV); + cnt[CNT_SPLITMV] = ((above_.base.y_mode == SPLITMV) + (left_.base.y_mode == SPLITMV)) * 2 + (aboveleft_.base.y_mode == SPLITMV); /* Swap near and nearest if necessary */ - if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) - { - var tmp=int_;var tmp2=int_; + if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) { + var tmp = int_; + var tmp2 = int_; tmp = cnt[CNT_NEAREST]; cnt[CNT_NEAREST] = cnt[CNT_NEAR]; cnt[CNT_NEAR] = tmp; - tmp = near_mvs[CNT_NEAREST].d.x;//.raw; - tmp2 = near_mvs[CNT_NEAREST].d.y;//.raw; + tmp = near_mvs[CNT_NEAREST].d.x; //.raw; + tmp2 = near_mvs[CNT_NEAREST].d.y; //.raw; near_mvs[CNT_NEAREST].d.x = near_mvs[CNT_NEAR].d.x; near_mvs[CNT_NEAREST].d.y = near_mvs[CNT_NEAR].d.y; near_mvs[CNT_NEAR].d.x = tmp; @@ -3921,63 +3883,63 @@ find_near_mvs(this_, if (cnt[CNT_NEAREST] >= cnt[CNT_BEST]) { near_mvs[CNT_BEST].d.x = near_mvs[CNT_NEAREST].d.x; near_mvs[CNT_BEST].d.y = near_mvs[CNT_NEAREST].d.y; - } + } } //408 function decode_split_mv(this_, - left_, - above_, - hdr, - best_mv, - bool) -{ - var partition=int_;//* - var j=int_, k=int_, mask=int_, partition_id=int_; + left_, + above_, + hdr, + best_mv, + bool) { + var partition = int_; //* + var j = int_, + k = int_, + mask = int_, + partition_id = int_; partition_id = bool_read_tree(bool, split_mv_tree, split_mv_probs); partition = mv_partitions[partition_id]; this_.base.partitioning = partition_id; - for (j = 0, mask = 0; mask < 65535; j++) - { - var mv_=new mv(), left_mv, above_mv;//='mv'='mv' - var subblock_mode;//='prediction_mode' + for (j = 0, mask = 0; mask < 65535; j++) { + var mv_ = new mv(), + left_mv, above_mv; //='mv'='mv' + var subblock_mode; //='prediction_mode' /* Find the first subblock in this partition. */ - for (k = 0; j != partition[k]; k++); + for (k = 0; j != partition[k]; k++) {}; /* Decode the next MV */ left_mv = left_block_mv(this_, left_, k); above_mv = above_block_mv(this_, above_, k); - subblock_mode = submv_ref(bool, left_mv, above_mv); + subblock_mode = submv_ref(bool, left_mv, above_mv); - switch (subblock_mode) - { - case LEFT4X4: - mv_ = left_mv; - break; - case ABOVE4X4: - mv_ = above_mv; - break; - case ZERO4X4: - mv_.d.x = mv_.d.y = 0;//.raw - break; - case NEW4X4: - read_mv(bool, mv_, hdr.mv_probs); - mv_.d.x += best_mv.d.x; - mv_.d.y += best_mv.d.y; - break; - default: - assert(0); + switch (subblock_mode) { + case LEFT4X4: + mv_ = left_mv; + break; + case ABOVE4X4: + mv_ = above_mv; + break; + case ZERO4X4: + mv_.d.x = mv_.d.y = 0; //.raw + break; + case NEW4X4: + read_mv(bool, mv_, hdr.mv_probs); + mv_.d.x += best_mv.d.x; + mv_.d.y += best_mv.d.y; + break; + default: + assert(0); } /* Fill the MV's for this partition */ for (; k < 16; k++) - if (j == partition[k]) - { + if (j == partition[k]) { this_.splitt.mvs[k].d.x = mv_.d.x; this_.splitt.mvs[k].d.y = mv_.d.y; mask |= 1 << k; @@ -3988,9 +3950,9 @@ decode_split_mv(this_, //467 function -need_mc_border(mv, l, t, b_w, w, h) -{ - var b=int_, r=int_; +need_mc_border(mv, l, t, b_w, w, h) { + var b = int_, + r = int_; /* Get distance to edge for top-left pixel */ l += (mv.d.x >> 3); @@ -4003,159 +3965,157 @@ need_mc_border(mv, l, t, b_w, w, h) return (l >> 1 < 2 || r >> 1 < 3 || t >> 1 < 2 || b >> 1 < 3); } -var near_mvs_4=Arr_new(4,mv),mv_cnts_4=new Array(0,0,0,0);//4 -var probs_4=new Array(0,0,0,0);//4 -var chroma_mv_4=Arr_new(4,mv); -var clamped_best_mv_1=new mv(); +var near_mvs_4 = Arr_new(4, mv), + mv_cnts_4 = new Array(0, 0, 0, 0); //4 +var probs_4 = new Array(0, 0, 0, 0); //4 +var chroma_mv_4 = Arr_new(4, mv); +var clamped_best_mv_1 = new mv(); //483 function decode_mvs(ctx, - this_, - this_off, - left, - left_off, - above, - above_off, - bounds, - bool) -{ + this_, + this_off, + left, + left_off, + above, + above_off, + bounds, + bool) { var hdr = ctx.entropy_hdr; - var near_mvs=near_mvs_4; - var clamped_best_mv=clamped_best_mv_1; - var mv_cnts=mv_cnts_4;//Arr(4,int_); - var probs=probs_4;//Arr(4,char_); - var BEST=0, NEAREST=1, NEAR=2; - var x=int_, y=int_, w=int_, h=int_, b=int_; - - this_[this_off].base.ref_frame = bool_get(bool, hdr.prob_last) - ? 2 + bool_get(bool, hdr.prob_gf) - : 1; + var near_mvs = near_mvs_4; + var clamped_best_mv = clamped_best_mv_1; + var mv_cnts = mv_cnts_4; //Arr(4,int_); + var probs = probs_4; //Arr(4,char_); + var BEST = 0, + NEAREST = 1, + NEAR = 2; + var x = int_, + y = int_, + w = int_, + h = int_, + b = int_; + + this_[this_off].base.ref_frame = bool_get(bool, hdr.prob_last) ? 2 + bool_get(bool, hdr.prob_gf) : 1; find_near_mvs(this_[this_off], this_, this_off - 1, above, above_off, ctx.reference_hdr.sign_bias, - near_mvs, mv_cnts); + near_mvs, mv_cnts); probs[0] = mv_counts_to_probs[mv_cnts[0]][0]; probs[1] = mv_counts_to_probs[mv_cnts[1]][1]; probs[2] = mv_counts_to_probs[mv_cnts[2]][2]; probs[3] = mv_counts_to_probs[mv_cnts[3]][3]; - this_=this_[this_off]; - + this_ = this_[this_off]; + this_.base.y_mode = bool_read_tree(bool, mv_ref_tree, probs); this_.base.uv_mode = this_.base.y_mode; this_.base.need_mc_border = 0; x = (-bounds.to_left - 128) >> 3; - y = (-bounds.to_top - 128) >> 3; - w = ctx.mb_cols * 16; - h = ctx.mb_rows * 16; - - switch (this_.base.y_mode) - { - case NEARESTMV: - this_.base.mv = clamp_mv(near_mvs[NEAREST], bounds); - break; - case NEARMV: - this_.base.mv = clamp_mv(near_mvs[NEAR], bounds); - break; - case ZEROMV: - this_.base.mv.d.x = this_.base.mv.d.y = 0;//.raw - return; //skip need_mc_border check - case NEWMV: - clamped_best_mv = clamp_mv(near_mvs[BEST], bounds); - read_mv(bool, this_.base.mv, hdr.mv_probs);//&this->base.mv - this_.base.mv.d.x += clamped_best_mv.d.x; - this_.base.mv.d.y += clamped_best_mv.d.y; - break; - case SPLITMV: - { - var chroma_mv=chroma_mv_4;// = {{{0}}}; - - clamped_best_mv = clamp_mv(near_mvs[BEST], bounds); - decode_split_mv(this_, left[left_off], above[above_off], hdr, clamped_best_mv, bool);//&clamped_best_mv - this_.base.mv.d.x = this_.splitt.mvs[15].d.x;this_.base.mv.d.y = this_.splitt.mvs[15].d.y; - - for (b = 0; b < 16; b++) - { - chroma_mv[(b>>1&1) + (b>>2&2)].d.x += - this_.splitt.mvs[b].d.x; - chroma_mv[(b>>1&1) + (b>>2&2)].d.y += - this_.splitt.mvs[b].d.y; + y = (-bounds.to_top - 128) >> 3; + w = ctx.mb_cols * 16; + h = ctx.mb_rows * 16; - if (need_mc_border(this_.splitt.mvs[b], - x + (b & 3) * 4, y + (b & ~3), 4, w, h)) + switch (this_.base.y_mode) { + case NEARESTMV: + this_.base.mv = clamp_mv(near_mvs[NEAREST], bounds); + break; + case NEARMV: + this_.base.mv = clamp_mv(near_mvs[NEAR], bounds); + break; + case ZEROMV: + this_.base.mv.d.x = this_.base.mv.d.y = 0; //.raw + return; //skip need_mc_border check + case NEWMV: + clamped_best_mv = clamp_mv(near_mvs[BEST], bounds); + read_mv(bool, this_.base.mv, hdr.mv_probs); //&this->base.mv + this_.base.mv.d.x += clamped_best_mv.d.x; + this_.base.mv.d.y += clamped_best_mv.d.y; + break; + case SPLITMV: { - this_.base.need_mc_border = 1; - break; - } - } + var chroma_mv = chroma_mv_4; // = {{{0}}}; + + clamped_best_mv = clamp_mv(near_mvs[BEST], bounds); + decode_split_mv(this_, left[left_off], above[above_off], hdr, clamped_best_mv, bool); //&clamped_best_mv + this_.base.mv.d.x = this_.splitt.mvs[15].d.x; + this_.base.mv.d.y = this_.splitt.mvs[15].d.y; + + for (b = 0; b < 16; b++) { + chroma_mv[(b >> 1 & 1) + (b >> 2 & 2)].d.x += + this_.splitt.mvs[b].d.x; + chroma_mv[(b >> 1 & 1) + (b >> 2 & 2)].d.y += + this_.splitt.mvs[b].d.y; + + if (need_mc_border(this_.splitt.mvs[b], + x + (b & 3) * 4, y + (b & ~3), 4, w, h)) { + this_.base.need_mc_border = 1; + break; + } + } - for (b = 0; b < 4; b++) - { - chroma_mv[b].d.x += 4/* + 8 * (chroma_mv[b].d.x >> 31)*/; - chroma_mv[b].d.y += 4/* + 8 * (chroma_mv[b].d.y >> 31)*/; - chroma_mv[b].d.x >>= 2;//chroma_mv[b].d.x=parseInt(chroma_mv[b].d.x,10); - chroma_mv[b].d.y >>= 2;//chroma_mv[b].d.y=parseInt(chroma_mv[b].d.y,10); - - //note we're passing in non-subsampled coordinates - if (need_mc_border(chroma_mv[b], - x + (b & 1) * 8, y + (b >> 1) * 8, 16, w, h)) - { - this_.base.need_mc_border = 1; - break; - } - } + for (b = 0; b < 4; b++) { + chroma_mv[b].d.x += 4 /* + 8 * (chroma_mv[b].d.x >> 31)*/ ; + chroma_mv[b].d.y += 4 /* + 8 * (chroma_mv[b].d.y >> 31)*/ ; + chroma_mv[b].d.x >>= 2; //chroma_mv[b].d.x=parseInt(chroma_mv[b].d.x,10); + chroma_mv[b].d.y >>= 2; //chroma_mv[b].d.y=parseInt(chroma_mv[b].d.y,10); + + //note we're passing in non-subsampled coordinates + if (need_mc_border(chroma_mv[b], + x + (b & 1) * 8, y + (b >> 1) * 8, 16, w, h)) { + this_.base.need_mc_border = 1; + break; + } + } - return; //skip need_mc_border check - } - default: - assert(0); + return; //skip need_mc_border check + } + default: + assert(0); } if (need_mc_border(this_.base.mv, x, y, 16, w, h)) this_.base.need_mc_border = 1; } -var bounds_=new mv_clamp_rect(); +var bounds_ = new mv_clamp_rect(); //586 function vp8_dixie_modemv_process_row(ctx, -bool, -row, -start_col, -num_cols) -{ - var above, above_off=0, this_, this_off=0;//*='(mb_info)'='(mb_info)' - var col=int_; - var bounds=bounds_; - - this_ = ctx.mb_info_rows[1+ row]; this_off = ctx.mb_info_rows_off[1+ row] + start_col; - above = ctx.mb_info_rows[1+ row - 1]; above_off = ctx.mb_info_rows_off[1+ row - 1] + start_col; + bool, + row, + start_col, + num_cols) { + var above, above_off = 0, + this_, this_off = 0; //*='(mb_info)'='(mb_info)' + var col = int_; + var bounds = bounds_; + + this_ = ctx.mb_info_rows[1 + row]; + this_off = ctx.mb_info_rows_off[1 + row] + start_col; + above = ctx.mb_info_rows[1 + row - 1]; + above_off = ctx.mb_info_rows_off[1 + row - 1] + start_col; /* Calculate the eighth-pel MV bounds using a 1 MB border. */ - bounds.to_left = -((start_col + 1) << 7); - bounds.to_right = (ctx.mb_cols - start_col) << 7; - bounds.to_top = -((row + 1) << 7); + bounds.to_left = -((start_col + 1) << 7); + bounds.to_right = (ctx.mb_cols - start_col) << 7; + bounds.to_top = -((row + 1) << 7); bounds.to_bottom = (ctx.mb_rows - row) << 7; - for (col = start_col; col < start_col + num_cols; col++) - { + for (col = start_col; col < start_col + num_cols; col++) { if (ctx.segment_hdr.update_map) this_[this_off].base.segment_id = read_segment_id(bool, - ctx.segment_hdr); + ctx.segment_hdr); if (ctx.entropy_hdr.coeff_skip_enabled) this_[this_off].base.skip_coeff = bool_get(bool, - ctx.entropy_hdr.coeff_skip_prob); + ctx.entropy_hdr.coeff_skip_prob); - if (ctx.frame_hdr.is_keyframe) - { + if (ctx.frame_hdr.is_keyframe) { if (!ctx.segment_hdr.update_map) this_[this_off].base.segment_id = 0; decode_kf_mb_mode(this_, this_off, this_, this_off - 1, above, above_off, bool); - } - else - { + } else { if (bool_get(bool, ctx.entropy_hdr.prob_inter)) decode_mvs(ctx, this_, this_off, this_, this_off - 1, above, above_off, bounds, bool); else @@ -4174,16 +4134,17 @@ num_cols) //641 function -vp8_dixie_modemv_init(ctx) -{ - var mbi_w=int_, mbi_h=int_, i=int_; - var mbi=new mb_info(); var mbi_off=0;//* +vp8_dixie_modemv_init(ctx) { + var mbi_w = int_, + mbi_h = int_, + i = int_; + var mbi = new mb_info(); + var mbi_off = 0; //* mbi_w = ctx.mb_cols + 1; /* For left border col */ mbi_h = ctx.mb_rows + 1; /* For above border row */ - if (ctx.frame_hdr.frame_size_updated) - { + if (ctx.frame_hdr.frame_size_updated) { //free(ctx.mb_info_storage); ctx.mb_info_storage = null; //free(ctx.mb_info_rows_storage); @@ -4191,66 +4152,64 @@ vp8_dixie_modemv_init(ctx) } if (!ctx.mb_info_storage) { - ctx.mb_info_storage = Arr_new(mbi_w * mbi_h,//calloc - ctx.mb_info_storage_object); - - ctx.mb_info_storage_off = 0; - }//todo: //sizeof(*ctx->mb_info_storage) + ctx.mb_info_storage = Arr_new(mbi_w * mbi_h, //calloc + ctx.mb_info_storage_object); + + ctx.mb_info_storage_off = 0; + } //todo: //sizeof(*ctx->mb_info_storage) if (!ctx.mb_info_rows_storage) { - ctx.mb_info_rows_storage = Arr_new(mbi_h,//calloc - ctx.mb_info_rows_storage_object); - - ctx.mb_info_rows_storage_off = new Array(mbi_h);//Arr(mbi_h,0); - }//sizeof(*ctx->mb_info_rows_storage) + ctx.mb_info_rows_storage = Arr_new(mbi_h, //calloc + ctx.mb_info_rows_storage_object); + + ctx.mb_info_rows_storage_off = new Array(mbi_h); //Arr(mbi_h,0); + } //sizeof(*ctx->mb_info_rows_storage) /* Set up row pointers */ - mbi = ctx.mb_info_storage; mbi_off = ctx.mb_info_storage_off + 1; + mbi = ctx.mb_info_storage; + mbi_off = ctx.mb_info_storage_off + 1; - for (i = 0; i < mbi_h; i++) - { + for (i = 0; i < mbi_h; i++) { ctx.mb_info_rows_storage[i] = mbi; ctx.mb_info_rows_storage_off[i] = mbi_off; mbi_off += mbi_w; } - ctx.mb_info_rows = ctx.mb_info_rows_storage; ctx.mb_info_rows_off = ctx.mb_info_rows_storage_off;//todo: + 1; + ctx.mb_info_rows = ctx.mb_info_rows_storage; + ctx.mb_info_rows_off = ctx.mb_info_rows_storage_off; //todo: + 1; } - //18 var - EOB_CONTEXT_NODE=0, - ZERO_CONTEXT_NODE=1, - ONE_CONTEXT_NODE=2, - LOW_VAL_CONTEXT_NODE=3, - TWO_CONTEXT_NODE=4, - THREE_CONTEXT_NODE=5, - HIGH_LOW_CONTEXT_NODE=6, - CAT_ONE_CONTEXT_NODE=7, - CAT_THREEFOUR_CONTEXT_NODE=8, - CAT_THREE_CONTEXT_NODE=9, - CAT_FIVE_CONTEXT_NODE=10 -; + EOB_CONTEXT_NODE = 0, + ZERO_CONTEXT_NODE = 1, + ONE_CONTEXT_NODE = 2, + LOW_VAL_CONTEXT_NODE = 3, + TWO_CONTEXT_NODE = 4, + THREE_CONTEXT_NODE = 5, + HIGH_LOW_CONTEXT_NODE = 6, + CAT_ONE_CONTEXT_NODE = 7, + CAT_THREEFOUR_CONTEXT_NODE = 8, + CAT_THREE_CONTEXT_NODE = 9, + CAT_FIVE_CONTEXT_NODE = 10; //32 var - ZERO_TOKEN=0, - ONE_TOKEN=1, - TWO_TOKEN=2, - THREE_TOKEN=3, - FOUR_TOKEN=4, - DCT_VAL_CATEGORY1=5, - DCT_VAL_CATEGORY2=6, - DCT_VAL_CATEGORY3=7, - DCT_VAL_CATEGORY4=8, - DCT_VAL_CATEGORY5=9, - DCT_VAL_CATEGORY6=10, - DCT_EOB_TOKEN=11, - MAX_ENTROPY_TOKENS=12 -; + ZERO_TOKEN = 0, + ONE_TOKEN = 1, + TWO_TOKEN = 2, + THREE_TOKEN = 3, + FOUR_TOKEN = 4, + DCT_VAL_CATEGORY1 = 5, + DCT_VAL_CATEGORY2 = 6, + DCT_VAL_CATEGORY3 = 7, + DCT_VAL_CATEGORY4 = 8, + DCT_VAL_CATEGORY5 = 9, + DCT_VAL_CATEGORY6 = 10, + DCT_EOB_TOKEN = 11, + MAX_ENTROPY_TOKENS = 12; //struct extrabits //{ // short min_val; @@ -4259,290 +4218,371 @@ var //}; //54 var left_context_index = -new Array( - 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, - 4, 4, 5, 5, 6, 6, 7, 7, 8 -); + new Array( + 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, + 4, 4, 5, 5, 6, 6, 7, 7, 8 + ); //59 var above_context_index = -new Array( - 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, - 4, 5, 4, 5, 6, 7, 6, 7, 8 -); + new Array( + 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, + 4, 5, 4, 5, 6, 7, 6, 7, 8 + ); //64 -function X(n) { return ((n) * PREV_COEF_CONTEXTS * ENTROPY_NODES) } +function X(n) { + return ((n) * PREV_COEF_CONTEXTS * ENTROPY_NODES) +} var bands_x = -new Array( - X(0), X(1), X(2), X(3), X(6), X(4), X(5), X(6), - X(6), X(6), X(6), X(6), X(6), X(6), X(6), X(7) -); + new Array( + X(0), X(1), X(2), X(3), X(6), X(4), X(5), X(6), + X(6), X(6), X(6), X(6), X(6), X(6), X(6), X(7) + ); var extrabits = -new Array( - { min_val:0, length:-1, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //ZERO_TOKEN - { min_val:1, length:0, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //ONE_TOKEN - { min_val:2, length:0, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //TWO_TOKEN - { min_val:3, length:0, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //THREE_TOKEN - { min_val:4, length:0, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //FOUR_TOKEN - { min_val:5, length:0, probs:new Array( 159, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //DCT_VAL_CATEGORY1 - { min_val:7, length:1, probs:new Array( 145, 165, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //DCT_VAL_CATEGORY2 - { min_val:11, length:2, probs:new Array( 140, 148, 173, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //DCT_VAL_CATEGORY3 - { min_val:19, length:3, probs:new Array( 135, 140, 155, 176, 0, 0, - 0, 0, 0, 0, 0, 0 ) }, //DCT_VAL_CATEGORY4 - { min_val:35, length:4, probs:new Array( 130, 134, 141, 157, 180, 0, - 0, 0, 0, 0, 0, 0 ) }, //DCT_VAL_CATEGORY5 - { min_val:67, length:10, probs:new Array( 129, 130, 133, 140, 153, 177, - 196, 230, 243, 254, 254, 0 ) }, //DCT_VAL_CATEGORY6 - { min_val:0, length:-1, probs:new Array( 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 ) } // EOB TOKEN -); + new Array({ + min_val: 0, + length: -1, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //ZERO_TOKEN + { + min_val: 1, + length: 0, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //ONE_TOKEN + { + min_val: 2, + length: 0, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //TWO_TOKEN + { + min_val: 3, + length: 0, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //THREE_TOKEN + { + min_val: 4, + length: 0, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //FOUR_TOKEN + { + min_val: 5, + length: 0, + probs: new Array(159, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //DCT_VAL_CATEGORY1 + { + min_val: 7, + length: 1, + probs: new Array(145, 165, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //DCT_VAL_CATEGORY2 + { + min_val: 11, + length: 2, + probs: new Array(140, 148, 173, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //DCT_VAL_CATEGORY3 + { + min_val: 19, + length: 3, + probs: new Array(135, 140, 155, 176, 0, 0, + 0, 0, 0, 0, 0, 0) + }, //DCT_VAL_CATEGORY4 + { + min_val: 35, + length: 4, + probs: new Array(130, 134, 141, 157, 180, 0, + 0, 0, 0, 0, 0, 0) + }, //DCT_VAL_CATEGORY5 + { + min_val: 67, + length: 10, + probs: new Array(129, 130, 133, 140, 153, 177, + 196, 230, 243, 254, 254, 0) + }, //DCT_VAL_CATEGORY6 + { + min_val: 0, + length: -1, + probs: new Array(0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0) + } // EOB TOKEN + ); var zigzag = -new Array( - 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 -); + new Array( + 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 + ); + +var BLOCK_LOOP = 0, + DO_WHILE = 1, + CHECK_0_ = 2, + CAT_FIVE_CONTEXT_NODE_0_ = 3, + CAT_THREEFOUR_CONTEXT_NODE_0_ = 4, + CAT_THREE_CONTEXT_NODE_0_ = 5, + HIGH_LOW_CONTEXT_NODE_0_ = 6, + CAT_ONE_CONTEXT_NODE_0_ = 7, + LOW_VAL_CONTEXT_NODE_0_ = 8, + THREE_CONTEXT_NODE_0_ = 9, + TWO_CONTEXT_NODE_0_ = 10, + ONE_CONTEXT_NODE_0_ = 11, + BLOCK_FINISHED = 12, + END = 13; -var BLOCK_LOOP=0,DO_WHILE=1,CHECK_0_=2,CAT_FIVE_CONTEXT_NODE_0_=3,CAT_THREEFOUR_CONTEXT_NODE_0_=4,CAT_THREE_CONTEXT_NODE_0_=5,HIGH_LOW_CONTEXT_NODE_0_=6,CAT_ONE_CONTEXT_NODE_0_=7,LOW_VAL_CONTEXT_NODE_0_=8,THREE_CONTEXT_NODE_0_=9,TWO_CONTEXT_NODE_0_=10,ONE_CONTEXT_NODE_0_=11,BLOCK_FINISHED=12,END=13; function decode_mb_tokens(bool, - left, - above, - tokens, - tokens_off, - mode, - probs, - factor) -{ -//103 -function DECODE_AND_APPLYSIGN(value_to_sign) { - v = (bool_get_bit(bool) ? -value_to_sign - : value_to_sign) * dqf[(!!c)+0]; -} -function DECODE_AND_BRANCH_IF_ZERO(probability,branch) { - if (!bool_get(bool, probability)) { goto_ = branch; return 1; } -} -function DECODE_AND_LOOP_IF_ZERO(probability,branch) { - if (!bool_get(bool, probability)) - { - prob_off = type_probs_off; - if(c<15) { + left, + above, + tokens, + tokens_off, + mode, + probs, + factor) { + //103 + function DECODE_AND_APPLYSIGN(value_to_sign) { + v = (bool_get_bit(bool) ? -value_to_sign : value_to_sign) * dqf[(!!c) + 0]; + } + + function DECODE_AND_BRANCH_IF_ZERO(probability, branch) { + if (!bool_get(bool, probability)) { + goto_ = branch; + return 1; + } + } + + function DECODE_AND_LOOP_IF_ZERO(probability, branch) { + if (!bool_get(bool, probability)) { + prob_off = type_probs_off; + if (c < 15) { + ++c; + prob_off += bands_x[c]; + goto_ = branch; + return 1; + } else { + goto_ = BLOCK_FINISHED; + return 1; /*for malformed input */ + } + } + } + + function DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val) { + DECODE_AND_APPLYSIGN(val); + prob_off = type_probs_off + (ENTROPY_NODES * 2); + if (c < 15) { + b_tokens[b_tokens_off + zigzag[c]] = v; ++c; - prob_off += bands_x[c]; - goto_ = branch; return 1; + goto_ = DO_WHILE; + return 1; } - else { - goto_ = BLOCK_FINISHED; return 1; /*for malformed input */ - } + b_tokens[b_tokens_off + zigzag[15]] = v; + goto_ = BLOCK_FINISHED; + return 1; } -} -function DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val) { - DECODE_AND_APPLYSIGN(val); - prob_off = type_probs_off + (ENTROPY_NODES*2); - if(c < 15){ - b_tokens[b_tokens_off+ zigzag[c]] = v; - ++c; - goto_ = DO_WHILE; return 1; } - b_tokens[b_tokens_off+ zigzag[15]] = v; - goto_ = BLOCK_FINISHED; return 1; -} -function DECODE_EXTRABIT_AND_ADJUST_VAL(t,bits_count) { - val += bool_get(bool, extrabits[t].probs[bits_count]) << bits_count; -} + function DECODE_EXTRABIT_AND_ADJUST_VAL(t, bits_count) { + val += bool_get(bool, extrabits[t].probs[bits_count]) << bits_count; + } -//138 - var i=int_, stopp=int_, type=int_; - var c=int_, t=int_, v=int_; - var val=int_, bits_count=int_; - var eob_mask=int_; - var b_tokens=short_;var b_tokens_off=0;//* /* tokens for this block */ - var type_probs=char_;var type_probs_off=0;//* /* probabilities for this block type */ - var prob=char_;var prob_off=0;//* - var dqf=short_;//* + //138 + var i = int_, + stopp = int_, + type = int_; + var c = int_, + t = int_, + v = int_; + var val = int_, + bits_count = int_; + var eob_mask = int_; + var b_tokens = short_; + var b_tokens_off = 0; //* /* tokens for this block */ + var type_probs = char_; + var type_probs_off = 0; //* /* probabilities for this block type */ + var prob = char_; + var prob_off = 0; //* + var dqf = short_; //* eob_mask = 0; - if (mode != B_PRED && mode != SPLITMV) - { + if (mode != B_PRED && mode != SPLITMV) { i = 24; stopp = 24; type = 1; - b_tokens = tokens; b_tokens_off = tokens_off + 24 * 16; + b_tokens = tokens; + b_tokens_off = tokens_off + 24 * 16; dqf = factor[TOKEN_BLOCK_Y2]; - } - else - { + } else { i = 0; stopp = 16; type = 3; - b_tokens = tokens; b_tokens_off = tokens_off; + b_tokens = tokens; + b_tokens_off = tokens_off; dqf = factor[TOKEN_BLOCK_Y1]; } /* Save a pointer to the coefficient probs for the current type. * Need to repeat this whenever type changes. */ - type_probs = probs; /*[type][0][0];*/ type_probs_off = type*COEF_BANDS*PREV_COEF_CONTEXTS*ENTROPY_NODES; - - var goto_=BLOCK_LOOP; -do { -if(goto_==BLOCK_LOOP) { - t = left[left_context_index[i]] + above[above_context_index[i]]; - c = (!type)+0; /* all blocks start at 0 except type 0, which starts - * at 1. */ - - prob = type_probs; prob_off = type_probs_off; - prob_off += t * ENTROPY_NODES; - - goto_=DO_WHILE; -} -if(goto_==DO_WHILE) { - prob_off += bands_x[c]; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ EOB_CONTEXT_NODE], BLOCK_FINISHED)) continue; - -goto_=CHECK_0_; -} -if(goto_==CHECK_0_) { - if(DECODE_AND_LOOP_IF_ZERO(prob[prob_off+ ZERO_CONTEXT_NODE], CHECK_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ ONE_CONTEXT_NODE], - ONE_CONTEXT_NODE_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ LOW_VAL_CONTEXT_NODE], - LOW_VAL_CONTEXT_NODE_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ HIGH_LOW_CONTEXT_NODE], - HIGH_LOW_CONTEXT_NODE_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ CAT_THREEFOUR_CONTEXT_NODE], - CAT_THREEFOUR_CONTEXT_NODE_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ CAT_FIVE_CONTEXT_NODE], - CAT_FIVE_CONTEXT_NODE_0_)) continue; - val = extrabits[DCT_VAL_CATEGORY6].min_val; - bits_count = extrabits[DCT_VAL_CATEGORY6].length; - - do - { - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY6, bits_count); - bits_count -- ; - } - while (bits_count >= 0); + type_probs = probs; /*[type][0][0];*/ + type_probs_off = type * COEF_BANDS * PREV_COEF_CONTEXTS * ENTROPY_NODES; + + var goto_ = BLOCK_LOOP; + do { + if (goto_ == BLOCK_LOOP) { + t = left[left_context_index[i]] + above[above_context_index[i]]; + c = (!type) + 0; + /* all blocks start at 0 except type 0, which starts + * at 1. */ + + prob = type_probs; + prob_off = type_probs_off; + prob_off += t * ENTROPY_NODES; + + goto_ = DO_WHILE; + } + if (goto_ == DO_WHILE) { + prob_off += bands_x[c]; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + EOB_CONTEXT_NODE], BLOCK_FINISHED)) continue; - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + goto_ = CHECK_0_; + } + if (goto_ == CHECK_0_) { + if (DECODE_AND_LOOP_IF_ZERO(prob[prob_off + ZERO_CONTEXT_NODE], CHECK_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + ONE_CONTEXT_NODE], + ONE_CONTEXT_NODE_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + LOW_VAL_CONTEXT_NODE], + LOW_VAL_CONTEXT_NODE_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + HIGH_LOW_CONTEXT_NODE], + HIGH_LOW_CONTEXT_NODE_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + CAT_THREEFOUR_CONTEXT_NODE], + CAT_THREEFOUR_CONTEXT_NODE_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + CAT_FIVE_CONTEXT_NODE], + CAT_FIVE_CONTEXT_NODE_0_)) continue; + val = extrabits[DCT_VAL_CATEGORY6].min_val; + bits_count = extrabits[DCT_VAL_CATEGORY6].length; + + do { + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY6, bits_count); + bits_count--; + } + while (bits_count >= 0); -} -if(goto_==CAT_FIVE_CONTEXT_NODE_0_) { - val = extrabits[DCT_VAL_CATEGORY5].min_val; - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 4); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 3); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 2); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 1); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 0); - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; -} -if(goto_==CAT_THREEFOUR_CONTEXT_NODE_0_) { - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ CAT_THREE_CONTEXT_NODE], - CAT_THREE_CONTEXT_NODE_0_)) continue; - val = extrabits[DCT_VAL_CATEGORY4].min_val; - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 3); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 2); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 1); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 0); - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + } + if (goto_ == CAT_FIVE_CONTEXT_NODE_0_) { + val = extrabits[DCT_VAL_CATEGORY5].min_val; + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 4); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 3); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 2); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 1); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 0); + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; -} -if(goto_==CAT_THREE_CONTEXT_NODE_0_) { - val = extrabits[DCT_VAL_CATEGORY3].min_val; - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 2); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 1); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 0); - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + } + if (goto_ == CAT_THREEFOUR_CONTEXT_NODE_0_) { + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + CAT_THREE_CONTEXT_NODE], + CAT_THREE_CONTEXT_NODE_0_)) continue; + val = extrabits[DCT_VAL_CATEGORY4].min_val; + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 3); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 2); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 1); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 0); + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; -} -if(goto_==HIGH_LOW_CONTEXT_NODE_0_) { - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ CAT_ONE_CONTEXT_NODE], - CAT_ONE_CONTEXT_NODE_0_)) continue; + } + if (goto_ == CAT_THREE_CONTEXT_NODE_0_) { + val = extrabits[DCT_VAL_CATEGORY3].min_val; + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 2); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 1); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 0); + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; - val = extrabits[DCT_VAL_CATEGORY2].min_val; - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 1); - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 0); - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + } + if (goto_ == HIGH_LOW_CONTEXT_NODE_0_) { + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + CAT_ONE_CONTEXT_NODE], + CAT_ONE_CONTEXT_NODE_0_)) continue; -} -if(goto_==CAT_ONE_CONTEXT_NODE_0_) { - val = extrabits[DCT_VAL_CATEGORY1].min_val; - DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY1, 0); - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; + val = extrabits[DCT_VAL_CATEGORY2].min_val; + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 1); + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 0); + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; -} -if(goto_==LOW_VAL_CONTEXT_NODE_0_) { - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ TWO_CONTEXT_NODE], - TWO_CONTEXT_NODE_0_)) continue; - if(DECODE_AND_BRANCH_IF_ZERO(prob[prob_off+ THREE_CONTEXT_NODE], - THREE_CONTEXT_NODE_0_)) continue; - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(4)) continue; + } + if (goto_ == CAT_ONE_CONTEXT_NODE_0_) { + val = extrabits[DCT_VAL_CATEGORY1].min_val; + DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY1, 0); + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val)) continue; -} -if(goto_==THREE_CONTEXT_NODE_0_) { - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(3)) continue; + } + if (goto_ == LOW_VAL_CONTEXT_NODE_0_) { + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + TWO_CONTEXT_NODE], + TWO_CONTEXT_NODE_0_)) continue; + if (DECODE_AND_BRANCH_IF_ZERO(prob[prob_off + THREE_CONTEXT_NODE], + THREE_CONTEXT_NODE_0_)) continue; + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(4)) continue; -} -if(goto_==TWO_CONTEXT_NODE_0_) { - if(DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(2)) continue; + } + if (goto_ == THREE_CONTEXT_NODE_0_) { + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(3)) continue; -} -if(goto_==ONE_CONTEXT_NODE_0_) { - DECODE_AND_APPLYSIGN(1); - prob_off = type_probs_off + ENTROPY_NODES; + } + if (goto_ == TWO_CONTEXT_NODE_0_) { + if (DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(2)) continue; - if (c < 15) - { - b_tokens[b_tokens_off+ zigzag[c]] = v; - ++c; - goto_ = DO_WHILE; continue; - } + } + if (goto_ == ONE_CONTEXT_NODE_0_) { + DECODE_AND_APPLYSIGN(1); + prob_off = type_probs_off + ENTROPY_NODES; + + if (c < 15) { + b_tokens[b_tokens_off + zigzag[c]] = v; + ++c; + goto_ = DO_WHILE; + continue; + } - b_tokens[b_tokens_off+ zigzag[15]] = v; -goto_=BLOCK_FINISHED; -} -if(goto_==BLOCK_FINISHED) { - eob_mask = (eob_mask | ((c > 1)+0 << i))>>>0; - t = (c != !type)+0; // any nonzero data? - eob_mask = (eob_mask | (t << 31))>>>0;//intBitLeft(t , 31); + b_tokens[b_tokens_off + zigzag[15]] = v; + goto_ = BLOCK_FINISHED; + } + if (goto_ == BLOCK_FINISHED) { + eob_mask = (eob_mask | ((c > 1) + 0 << i)) >>> 0; + t = (c != !type) + 0; // any nonzero data? + eob_mask = (eob_mask | (t << 31)) >>> 0; //intBitLeft(t , 31); - left[left_context_index[i]] = above[above_context_index[i]] = t; - b_tokens_off += 16; + left[left_context_index[i]] = above[above_context_index[i]] = t; + b_tokens_off += 16; - i++; + i++; - if (i < stopp) { - goto_ = BLOCK_LOOP; continue;} + if (i < stopp) { + goto_ = BLOCK_LOOP; + continue; + } - if (i == 25) - { - type = 0; - i = 0; - stopp = 16; - type_probs_off = type*COEF_BANDS*PREV_COEF_CONTEXTS*ENTROPY_NODES;//type_probs = probs[type][0][0]; - b_tokens_off = tokens_off; - dqf = factor[TOKEN_BLOCK_Y1]; - goto_ = BLOCK_LOOP; continue; - } + if (i == 25) { + type = 0; + i = 0; + stopp = 16; + type_probs_off = type * COEF_BANDS * PREV_COEF_CONTEXTS * ENTROPY_NODES; //type_probs = probs[type][0][0]; + b_tokens_off = tokens_off; + dqf = factor[TOKEN_BLOCK_Y1]; + goto_ = BLOCK_LOOP; + continue; + } - if (i == 16) - { - type = 2; - type_probs_off = type*COEF_BANDS*PREV_COEF_CONTEXTS*ENTROPY_NODES;//type_probs = probs[type][0][0]; - stopp = 24; - dqf = factor[TOKEN_BLOCK_UV]; - goto_ = BLOCK_LOOP; continue; - } -} -goto_ = END; -} while(goto_!=END); + if (i == 16) { + type = 2; + type_probs_off = type * COEF_BANDS * PREV_COEF_CONTEXTS * ENTROPY_NODES; //type_probs = probs[type][0][0]; + stopp = 24; + dqf = factor[TOKEN_BLOCK_UV]; + goto_ = BLOCK_LOOP; + continue; + } + } + goto_ = END; + } while (goto_ != END); return eob_mask; } @@ -4550,36 +4590,32 @@ goto_ = END; //318 function -reset_row_context(left) -{ - memset(left, 0, 0, left.length/**sizeof(left)*/); +reset_row_context(left) { + memset(left, 0, 0, left.length /**sizeof(left)*/ ); } //325 function -reset_above_context(above, cols) -{ - var col=0; - for(col=0;col= 0 ? (x) : -(x)) } +function ABS(x) { + return ((x) >= 0 ? (x) : -(x)) +} //25 function -saturate_int8(x) -{ +saturate_int8(x) { if (x < -128) return -128; @@ -4691,8 +4724,7 @@ saturate_int8(x) //38 function -saturate_uint8(x) -{ +saturate_uint8(x) { if (x < 0) return 0; @@ -4706,18 +4738,17 @@ saturate_uint8(x) //51 function high_edge_variance(pixels, - pixels_off, - stride, - hev_threshold) -{ -//var p3 = pixels[pixels_off -4*stride]; -//var p2 = pixels[pixels_off -3*stride]; -var p1 = pixels[pixels_off -2*stride]; -var p0 = pixels[pixels_off -1*stride]; -var q0 = pixels[pixels_off+ 0*stride]; -var q1 = pixels[pixels_off+ 1*stride]; -//var q2 = pixels[pixels_off+ 2*stride]; -//var q3 = pixels[pixels_off+ 3*stride]; + pixels_off, + stride, + hev_threshold) { + //var p3 = pixels[pixels_off -4*stride]; + //var p2 = pixels[pixels_off -3*stride]; + var p1 = pixels[pixels_off - 2 * stride]; + var p0 = pixels[pixels_off - 1 * stride]; + var q0 = pixels[pixels_off + 0 * stride]; + var q1 = pixels[pixels_off + 1 * stride]; + //var q2 = pixels[pixels_off+ 2*stride]; + //var q3 = pixels[pixels_off+ 3*stride]; return ABS(p1 - p0) > hev_threshold || ABS(q1 - q0) > hev_threshold; } @@ -4726,18 +4757,17 @@ var q1 = pixels[pixels_off+ 1*stride]; //60 function simple_threshold(pixels, - pixels_off, - stride, - filter_limit) -{ -//var p3 = pixels[pixels_off -4*stride]; -//var p2 = pixels[pixels_off -3*stride]; -var p1 = pixels[pixels_off -2*stride]; -var p0 = pixels[pixels_off -1*stride]; -var q0 = pixels[pixels_off+ 0*stride]; -var q1 = pixels[pixels_off+ 1*stride]; -//var q2 = pixels[pixels_off+ 2*stride]; -//var q3 = pixels[pixels_off+ 3*stride]; + pixels_off, + stride, + filter_limit) { + //var p3 = pixels[pixels_off -4*stride]; + //var p2 = pixels[pixels_off -3*stride]; + var p1 = pixels[pixels_off - 2 * stride]; + var p0 = pixels[pixels_off - 1 * stride]; + var q0 = pixels[pixels_off + 0 * stride]; + var q1 = pixels[pixels_off + 1 * stride]; + //var q2 = pixels[pixels_off+ 2*stride]; + //var q3 = pixels[pixels_off+ 3*stride]; return (ABS(p0 - q0) * 2 + (ABS(p1 - q1) >> 1)) <= filter_limit; } @@ -4746,46 +4776,43 @@ var q1 = pixels[pixels_off+ 1*stride]; //69 function normal_threshold(pixels, - pixels_off, - stride, - edge_limit, - interior_limit) -{ -var p3 = pixels[pixels_off -4*stride]; -var p2 = pixels[pixels_off -3*stride]; -var p1 = pixels[pixels_off -2*stride]; -var p0 = pixels[pixels_off -1*stride]; -var q0 = pixels[pixels_off+ 0*stride]; -var q1 = pixels[pixels_off+ 1*stride]; -var q2 = pixels[pixels_off+ 2*stride]; -var q3 = pixels[pixels_off+ 3*stride]; + pixels_off, + stride, + edge_limit, + interior_limit) { + var p3 = pixels[pixels_off - 4 * stride]; + var p2 = pixels[pixels_off - 3 * stride]; + var p1 = pixels[pixels_off - 2 * stride]; + var p0 = pixels[pixels_off - 1 * stride]; + var q0 = pixels[pixels_off + 0 * stride]; + var q1 = pixels[pixels_off + 1 * stride]; + var q2 = pixels[pixels_off + 2 * stride]; + var q3 = pixels[pixels_off + 3 * stride]; var E = edge_limit; var I = interior_limit; - return simple_threshold(pixels, pixels_off, stride, 2 * E + I) - && ABS(p3 - p2) <= I && ABS(p2 - p1) <= I - && ABS(p1 - p0) <= I && ABS(q3 - q2) <= I - && ABS(q2 - q1) <= I && ABS(q1 - q0) <= I; + return simple_threshold(pixels, pixels_off, stride, 2 * E + I) && ABS(p3 - p2) <= I && ABS(p2 - p1) <= I && ABS(p1 - p0) <= I && ABS(q3 - q2) <= I && ABS(q2 - q1) <= I && ABS(q1 - q0) <= I; } //85 function filter_common(pixels, - pixels_off, - stride, - use_outer_taps) -{ -//var p3 = pixels[pixels_off -4*stride]; -//var p2 = pixels[pixels_off -3*stride]; -var p1 = pixels[pixels_off -2*stride]; -var p0 = pixels[pixels_off -1*stride]; -var q0 = pixels[pixels_off+ 0*stride]; -var q1 = pixels[pixels_off+ 1*stride]; -//var q2 = pixels[pixels_off+ 2*stride]; -//var q3 = pixels[pixels_off+ 3*stride]; - var a=int_, f1=int_, f2=int_; + pixels_off, + stride, + use_outer_taps) { + //var p3 = pixels[pixels_off -4*stride]; + //var p2 = pixels[pixels_off -3*stride]; + var p1 = pixels[pixels_off - 2 * stride]; + var p0 = pixels[pixels_off - 1 * stride]; + var q0 = pixels[pixels_off + 0 * stride]; + var q1 = pixels[pixels_off + 1 * stride]; + //var q2 = pixels[pixels_off+ 2*stride]; + //var q3 = pixels[pixels_off+ 3*stride]; + var a = int_, + f1 = int_, + f2 = int_; a = 3 * (q0 - p0); @@ -4800,8 +4827,7 @@ var q1 = pixels[pixels_off+ 1*stride]; p0 = saturate_uint8(p0 + f2); q0 = saturate_uint8(q0 - f1); - if (!use_outer_taps) - { + if (!use_outer_taps) { /* This handles the case of subblock_filter() * (from the bitstream guide. */ @@ -4809,31 +4835,31 @@ var q1 = pixels[pixels_off+ 1*stride]; p1 = saturate_uint8(p1 + a); q1 = saturate_uint8(q1 - a); } -//pixels[pixels_off -4*stride] = p3; -//pixels[pixels_off -3*stride] = p2; -pixels[pixels_off -2*stride] = p1; -pixels[pixels_off -1*stride] = p0; -pixels[pixels_off+ 0*stride] = q0; -pixels[pixels_off+ 1*stride] = q1; -//pixels[pixels_off+ 2*stride] = q2; -//pixels[pixels_off+ 3*stride] = q3; + //pixels[pixels_off -4*stride] = p3; + //pixels[pixels_off -3*stride] = p2; + pixels[pixels_off - 2 * stride] = p1; + pixels[pixels_off - 1 * stride] = p0; + pixels[pixels_off + 0 * stride] = q0; + pixels[pixels_off + 1 * stride] = q1; + //pixels[pixels_off+ 2*stride] = q2; + //pixels[pixels_off+ 3*stride] = q3; } //117 function filter_mb_edge(pixels, - pixels_off, - stride) -{ -//var p3 = pixels[pixels_off -4*stride]; -var p2 = pixels[pixels_off -3*stride]; -var p1 = pixels[pixels_off -2*stride]; -var p0 = pixels[pixels_off -1*stride]; -var q0 = pixels[pixels_off+ 0*stride]; -var q1 = pixels[pixels_off+ 1*stride]; -var q2 = pixels[pixels_off+ 2*stride]; -//var q3 = pixels[pixels_off+ 3*stride]; - var w=int_, a=int_; + pixels_off, + stride) { + //var p3 = pixels[pixels_off -4*stride]; + var p2 = pixels[pixels_off - 3 * stride]; + var p1 = pixels[pixels_off - 2 * stride]; + var p0 = pixels[pixels_off - 1 * stride]; + var q0 = pixels[pixels_off + 0 * stride]; + var q1 = pixels[pixels_off + 1 * stride]; + var q2 = pixels[pixels_off + 2 * stride]; + //var q3 = pixels[pixels_off+ 3*stride]; + var w = int_, + a = int_; w = saturate_int8(saturate_int8(p1 - q1) + 3 * (q0 - p0)); @@ -4849,33 +4875,30 @@ var q2 = pixels[pixels_off+ 2*stride]; p2 = saturate_uint8(p2 + a); q2 = saturate_uint8(q2 - a); -//pixels[pixels_off -4*stride] = p3; -pixels[pixels_off -3*stride] = p2; -pixels[pixels_off -2*stride] = p1; -pixels[pixels_off -1*stride] = p0; -pixels[pixels_off+ 0*stride] = q0; -pixels[pixels_off+ 1*stride] = q1; -pixels[pixels_off+ 2*stride] = q2; -//pixels[pixels_off+ 3*stride] = q3; + //pixels[pixels_off -4*stride] = p3; + pixels[pixels_off - 3 * stride] = p2; + pixels[pixels_off - 2 * stride] = p1; + pixels[pixels_off - 1 * stride] = p0; + pixels[pixels_off + 0 * stride] = q0; + pixels[pixels_off + 1 * stride] = q1; + pixels[pixels_off + 2 * stride] = q2; + //pixels[pixels_off+ 3*stride] = q3; } //140 function filter_mb_v_edge(src, - src_off, - stride, - edge_limit, - interior_limit, - hev_threshold, - size) -{ - var i=int_; - - for (i = 0; i < 8 * size; i++) - { - if (normal_threshold(src, src_off, 1, edge_limit, interior_limit)) - { + src_off, + stride, + edge_limit, + interior_limit, + hev_threshold, + size) { + var i = int_; + + for (i = 0; i < 8 * size; i++) { + if (normal_threshold(src, src_off, 1, edge_limit, interior_limit)) { if (high_edge_variance(src, src_off, 1, hev_threshold)) filter_common(src, src_off, 1, 1); else @@ -4890,20 +4913,18 @@ filter_mb_v_edge(src, //165 function filter_subblock_v_edge(src, - src_off, - stride, - edge_limit, - interior_limit, - hev_threshold, - size) -{ - var i=int_; - - for (i = 0; i < 8 * size; i++) - { + src_off, + stride, + edge_limit, + interior_limit, + hev_threshold, + size) { + var i = int_; + + for (i = 0; i < 8 * size; i++) { if (normal_threshold(src, src_off, 1, edge_limit, interior_limit)) filter_common(src, src_off, 1, - high_edge_variance(src, src_off, 1, hev_threshold)); + high_edge_variance(src, src_off, 1, hev_threshold)); src_off += stride; } @@ -4913,19 +4934,16 @@ filter_subblock_v_edge(src, //186 function filter_mb_h_edge(src, - src_off, - stride, - edge_limit, - interior_limit, - hev_threshold, - size) -{ - var i=int_; - - for (i = 0; i < 8 * size; i++) - { - if (normal_threshold(src, src_off, stride, edge_limit, interior_limit)) - { + src_off, + stride, + edge_limit, + interior_limit, + hev_threshold, + size) { + var i = int_; + + for (i = 0; i < 8 * size; i++) { + if (normal_threshold(src, src_off, stride, edge_limit, interior_limit)) { if (high_edge_variance(src, src_off, stride, hev_threshold)) filter_common(src, src_off, stride, 1); else @@ -4940,21 +4958,19 @@ filter_mb_h_edge(src, //211 function filter_subblock_h_edge(src, - src_off, - stride, - edge_limit, - interior_limit, - hev_threshold, - size) -{ - var i=int_; - - for (i = 0; i < 8 * size; i++) - { + src_off, + stride, + edge_limit, + interior_limit, + hev_threshold, + size) { + var i = int_; + + for (i = 0; i < 8 * size; i++) { if (normal_threshold(src, src_off, stride, edge_limit, interior_limit)) filter_common(src, src_off, stride, - high_edge_variance(src, src_off, stride, - hev_threshold)); + high_edge_variance(src, src_off, stride, + hev_threshold)); src_off += 1; } @@ -4964,14 +4980,12 @@ filter_subblock_h_edge(src, //233 function filter_v_edge_simple(src, - src_off, - stride, - filter_limit) -{ - var i=int_; + src_off, + stride, + filter_limit) { + var i = int_; - for (i = 0; i < 16; i++) - { + for (i = 0; i < 16; i++) { if (simple_threshold(src, src_off, 1, filter_limit)) filter_common(src, src_off, 1, 1); @@ -4983,14 +4997,12 @@ filter_v_edge_simple(src, //250 function filter_h_edge_simple(src, - src_off, - stride, - filter_limit) -{ - var i=int_; + src_off, + stride, + filter_limit) { + var i = int_; - for (i = 0; i < 16; i++) - { + for (i = 0; i < 16; i++) { if (simple_threshold(src, src_off, stride, filter_limit)) filter_common(src, src_off, stride, 1); @@ -5002,12 +5014,13 @@ filter_h_edge_simple(src, //267 function calculate_filter_parameters(ctx, - mbi, - edge_limit_, - interior_limit_, - hev_threshold_) -{ - var filter_level=int_, interior_limit=int_, hev_threshold=int_; + mbi, + edge_limit_, + interior_limit_, + hev_threshold_) { + var filter_level = int_, + interior_limit = int_, + hev_threshold = int_; /* Reference code/spec seems to conflate filter_level and * edge_limit @@ -5015,27 +5028,23 @@ calculate_filter_parameters(ctx, filter_level = ctx.loopfilter_hdr.level; - if (ctx.segment_hdr.enabled) - { + if (ctx.segment_hdr.enabled) { if (!ctx.segment_hdr.abs_) filter_level += - ctx.segment_hdr.lf_level[mbi.base.segment_id]; + ctx.segment_hdr.lf_level[mbi.base.segment_id]; else filter_level = - ctx.segment_hdr.lf_level[mbi.base.segment_id]; + ctx.segment_hdr.lf_level[mbi.base.segment_id]; } - if (ctx.loopfilter_hdr.delta_enabled) - { + if (ctx.loopfilter_hdr.delta_enabled) { filter_level += ctx.loopfilter_hdr.ref_delta[mbi.base.ref_frame]; - if (mbi.base.ref_frame == CURRENT_FRAME) - { + if (mbi.base.ref_frame == CURRENT_FRAME) { if (mbi.base.y_mode == B_PRED) filter_level += ctx.loopfilter_hdr.mode_delta[0]; - } - else if (mbi.base.y_mode == ZEROMV) + } else if (mbi.base.y_mode == ZEROMV) filter_level += ctx.loopfilter_hdr.mode_delta[1]; else if (mbi.base.y_mode == SPLITMV) filter_level += ctx.loopfilter_hdr.mode_delta[3]; @@ -5050,8 +5059,7 @@ calculate_filter_parameters(ctx, interior_limit = filter_level; - if (ctx.loopfilter_hdr.sharpness) - { + if (ctx.loopfilter_hdr.sharpness) { interior_limit >>= ctx.loopfilter_hdr.sharpness > 4 ? 2 : 1; if (interior_limit > 9 - ctx.loopfilter_hdr.sharpness) @@ -5078,18 +5086,23 @@ calculate_filter_parameters(ctx, //342 function filter_row_normal(ctx, - row, - start_col, - num_cols) -{ - var y=char_, u=char_, v=char_; - var y_off=0, u_off=0, v_off=0; - var stride=int_, uv_stride=int_; - var mbi; var mbi_off=0;//='mb_info' - var col=int_; + row, + start_col, + num_cols) { + var y = char_, + u = char_, + v = char_; + var y_off = 0, + u_off = 0, + v_off = 0; + var stride = int_, + uv_stride = int_; + var mbi; + var mbi_off = 0; //='mb_info' + var col = int_; /* Adjust pointers based on row, start_col */ - stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; + stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; uv_stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_U]; y = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_Y]; y_off = ctx.ref_frames[CURRENT_FRAME].img.planes_off[PLANE_Y]; @@ -5100,29 +5113,29 @@ filter_row_normal(ctx, y_off += (stride * row + start_col) * 16; u_off += (uv_stride * row + start_col) * 8; v_off += (uv_stride * row + start_col) * 8; - mbi = ctx.mb_info_rows[1+ row]; mbi_off = ctx.mb_info_rows_off[1+ row] + start_col; + mbi = ctx.mb_info_rows[1 + row]; + mbi_off = ctx.mb_info_rows_off[1 + row] + start_col; - for (col = start_col; col < start_col + num_cols; col++) - { - var edge_limit=[int_], interior_limit=[int_], hev_threshold=[int_]; + for (col = start_col; col < start_col + num_cols; col++) { + var edge_limit = [int_], + interior_limit = [int_], + hev_threshold = [int_]; /* TODO: only need to recalculate every MB if segmentation is * enabled. */ calculate_filter_parameters(ctx, mbi[mbi_off], edge_limit, - interior_limit, hev_threshold); - edge_limit=edge_limit[0], interior_limit=interior_limit[0], hev_threshold=hev_threshold[0]; + interior_limit, hev_threshold); + edge_limit = edge_limit[0], interior_limit = interior_limit[0], hev_threshold = hev_threshold[0]; - if (edge_limit) - { - if (col) - { + if (edge_limit) { + if (col) { filter_mb_v_edge(y, y_off, stride, edge_limit + 2, - interior_limit, hev_threshold, 2); + interior_limit, hev_threshold, 2); filter_mb_v_edge(u, u_off, uv_stride, edge_limit + 2, - interior_limit, hev_threshold, 1); + interior_limit, hev_threshold, 1); filter_mb_v_edge(v, v_off, uv_stride, edge_limit + 2, - interior_limit, hev_threshold, 1); + interior_limit, hev_threshold, 1); } /* NOTE: This conditional is actually dependent on the @@ -5130,56 +5143,49 @@ filter_row_normal(ctx, * coded in the bitstream. The tokens task is expected to * set 31 if there is *any* non-zero data. */ - if (mbi[mbi_off].base.eob_mask - || mbi[mbi_off].base.y_mode == SPLITMV - || mbi[mbi_off].base.y_mode == B_PRED) - { + if (mbi[mbi_off].base.eob_mask || mbi[mbi_off].base.y_mode == SPLITMV || mbi[mbi_off].base.y_mode == B_PRED) { filter_subblock_v_edge(y, y_off + 4, stride, edge_limit, - interior_limit, hev_threshold, - 2); + interior_limit, hev_threshold, + 2); filter_subblock_v_edge(y, y_off + 8, stride, edge_limit, - interior_limit, hev_threshold, - 2); + interior_limit, hev_threshold, + 2); filter_subblock_v_edge(y, y_off + 12, stride, edge_limit, - interior_limit, hev_threshold, - 2); + interior_limit, hev_threshold, + 2); filter_subblock_v_edge(u, y_off + 4, uv_stride, edge_limit, - interior_limit, hev_threshold, - 1); + interior_limit, hev_threshold, + 1); filter_subblock_v_edge(v, y_off + 4, uv_stride, edge_limit, - interior_limit, hev_threshold, - 1); + interior_limit, hev_threshold, + 1); } - if (row) - { + if (row) { filter_mb_h_edge(y, y_off, stride, edge_limit + 2, - interior_limit, hev_threshold, 2); + interior_limit, hev_threshold, 2); filter_mb_h_edge(u, u_off, uv_stride, edge_limit + 2, - interior_limit, hev_threshold, 1); + interior_limit, hev_threshold, 1); filter_mb_h_edge(v, v_off, uv_stride, edge_limit + 2, - interior_limit, hev_threshold, 1); + interior_limit, hev_threshold, 1); } - if (mbi[mbi_off].base.eob_mask - || mbi[mbi_off].base.y_mode == SPLITMV - || mbi[mbi_off].base.y_mode == B_PRED) - { + if (mbi[mbi_off].base.eob_mask || mbi[mbi_off].base.y_mode == SPLITMV || mbi[mbi_off].base.y_mode == B_PRED) { filter_subblock_h_edge(y, y_off + 4 * stride, stride, - edge_limit, interior_limit, - hev_threshold, 2); + edge_limit, interior_limit, + hev_threshold, 2); filter_subblock_h_edge(y, y_off + 8 * stride, stride, - edge_limit, interior_limit, - hev_threshold, 2); + edge_limit, interior_limit, + hev_threshold, 2); filter_subblock_h_edge(y, y_off + 12 * stride, stride, - edge_limit, interior_limit, - hev_threshold, 2); + edge_limit, interior_limit, + hev_threshold, 2); filter_subblock_h_edge(u, u_off + 4 * uv_stride, uv_stride, - edge_limit, interior_limit, - hev_threshold, 1); + edge_limit, interior_limit, + hev_threshold, 1); filter_subblock_h_edge(v, v_off + 4 * uv_stride, uv_stride, - edge_limit, interior_limit, - hev_threshold, 1); + edge_limit, interior_limit, + hev_threshold, 1); } } @@ -5194,52 +5200,51 @@ filter_row_normal(ctx, //452 function filter_row_simple(ctx, - row, - start_col, - num_cols) -{ - var y=char_; var y_off=0; - var stride=int_; - var mbi; var mbi_off=0;//='mb_info' - var col=int_; + row, + start_col, + num_cols) { + var y = char_; + var y_off = 0; + var stride = int_; + var mbi; + var mbi_off = 0; //='mb_info' + var col = int_; /* Adjust pointers based on row, start_col */ - stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; + stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; y = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_Y]; y_off = ctx.ref_frames[CURRENT_FRAME].img.planes_off[PLANE_Y]; y_off += (stride * row + start_col) * 16; - mbi = ctx.mb_info_rows[1+row]; mbi_off = ctx.mb_info_rows_off[1+row] + start_col; + mbi = ctx.mb_info_rows[1 + row]; + mbi_off = ctx.mb_info_rows_off[1 + row] + start_col; - for (col = start_col; col < start_col + num_cols; col++) - { - var edge_limit=[int_], interior_limit=[int_], hev_threshold=[int_]; + for (col = start_col; col < start_col + num_cols; col++) { + var edge_limit = [int_], + interior_limit = [int_], + hev_threshold = [int_]; /* TODO: only need to recalculate every MB if segmentation is * enabled. */ calculate_filter_parameters(ctx, mbi[mbi_off], edge_limit, - interior_limit, hev_threshold); + interior_limit, hev_threshold); - if (edge_limit[0]) - { + if (edge_limit[0]) { /* NOTE: This conditional is actually dependent on the * number of coefficients decoded, not the skip flag as * coded in the bitstream. The tokens task is expected to * set 31 if there is *any* non-zero data. */ - var filter_subblocks = (mbi[mbi_off].base.eob_mask - || mbi[mbi_off].base.y_mode == SPLITMV - || mbi[mbi_off].base.y_mode == B_PRED)+0; + var filter_subblocks = (mbi[mbi_off].base.eob_mask || mbi[mbi_off].base.y_mode == SPLITMV || mbi[mbi_off].base.y_mode == B_PRED) + 0; var mb_limit = (edge_limit[0] + 2) * 2 + interior_limit[0]; var b_limit = edge_limit[0] * 2 + interior_limit[0]; if (col) filter_v_edge_simple(y, y_off, stride, mb_limit); - if (filter_subblocks) - { + if (filter_subblocks) { filter_v_edge_simple(y, y_off + 4, stride, b_limit); filter_v_edge_simple(y, y_off + 8, stride, b_limit); filter_v_edge_simple(y, y_off + 12, stride, b_limit); @@ -5248,8 +5253,7 @@ filter_row_simple(ctx, if (row) filter_h_edge_simple(y, y_off, stride, mb_limit); - if (filter_subblocks) - { + if (filter_subblocks) { filter_h_edge_simple(y, y_off + 4 * stride, stride, b_limit); filter_h_edge_simple(y, y_off + 8 * stride, stride, b_limit); filter_h_edge_simple(y, y_off + 12 * stride, stride, b_limit); @@ -5265,10 +5269,9 @@ filter_row_simple(ctx, //520 function vp8_dixie_loopfilter_process_row(ctx, - row, - start_col, - num_cols) -{ + row, + start_col, + num_cols) { if (ctx.loopfilter_hdr.use_simple) filter_row_simple(ctx, row, start_col, num_cols); else @@ -5277,88 +5280,90 @@ vp8_dixie_loopfilter_process_row(ctx, var - BORDER_PIXELS = 16 -; + BORDER_PIXELS = 16; -var sixtap_filters =//[8] -new Array( +var sixtap_filters = //[8] + new Array( - new Array( 0, 0, 128, 0, 0, 0 ), - new Array( 0, -6, 123, 12, -1, 0 ), - new Array( 2, -11, 108, 36, -8, 1 ), - new Array( 0, -9, 93, 50, -6, 0 ), - new Array( 3, -16, 77, 77, -16, 3 ), - new Array( 0, -6, 50, 93, -9, 0 ), - new Array( 1, -8, 36, 108, -11, 2 ), - new Array( 0, -1, 12, 123, -6, 0 ) -); + new Array(0, 0, 128, 0, 0, 0), + new Array(0, -6, 123, 12, -1, 0), + new Array(2, -11, 108, 36, -8, 1), + new Array(0, -9, 93, 50, -6, 0), + new Array(3, -16, 77, 77, -16, 3), + new Array(0, -6, 50, 93, -9, 0), + new Array(1, -8, 36, 108, -11, 2), + new Array(0, -1, 12, 123, -6, 0) + ); -var bilinear_filters =//filter_t [8] -new Array( +var bilinear_filters = //filter_t [8] + new Array( - new Array( 0, 0, 128, 0, 0, 0 ), - new Array( 0, 0, 112, 16, 0, 0 ), - new Array( 0, 0, 96, 32, 0, 0 ), - new Array( 0, 0, 80, 48, 0, 0 ), - new Array( 0, 0, 64, 64, 0, 0 ), - new Array( 0, 0, 48, 80, 0, 0 ), - new Array( 0, 0, 32, 96, 0, 0 ), - new Array( 0, 0, 16, 112, 0, 0 ) -); + new Array(0, 0, 128, 0, 0, 0), + new Array(0, 0, 112, 16, 0, 0), + new Array(0, 0, 96, 32, 0, 0), + new Array(0, 0, 80, 48, 0, 0), + new Array(0, 0, 64, 64, 0, 0), + new Array(0, 0, 48, 80, 0, 0), + new Array(0, 0, 32, 96, 0, 0), + new Array(0, 0, 16, 112, 0, 0) + ); //51 function predict_h_nxn(predict, - predict_off, - stride, - n) -{ - var left = predict; var left_off = predict_off - 1; - var i=int_, j=int_; + predict_off, + stride, + n) { + var left = predict; + var left_off = predict_off - 1; + var i = int_, + j = int_; for (i = 0; i < n; i++) for (j = 0; j < n; j++) - predict[predict_off+ i *stride + j] = left[left_off+ i * stride]; + predict[predict_off + i * stride + j] = left[left_off + i * stride]; } //65 function predict_v_nxn(predict, - predict_off, - stride, - n) -{ - var above = predict; var above_off = predict_off - stride; - var i=int_, j=int_; + predict_off, + stride, + n) { + var above = predict; + var above_off = predict_off - stride; + var i = int_, + j = int_; for (i = 0; i < n; i++) for (j = 0; j < n; j++) - predict[predict_off+ i *stride + j] = above[above_off+ j]; + predict[predict_off + i * stride + j] = above[above_off + j]; } //79 function predict_tm_nxn(predict, - predict_off, - stride, - n) -{ + predict_off, + stride, + n) { /* Transposes the left column to the top row for later consumption * by the idct/recon stage */ - var left = predict; var left_off = predict_off - 1; - var above = predict; var above_off = predict_off - stride; - var p = above[above_off -1]; - var i=int_, j=int_; - - for (j = 0; j < n; j++) - { + var left = predict; + var left_off = predict_off - 1; + var above = predict; + var above_off = predict_off - stride; + var p = above[above_off - 1]; + var i = int_, + j = int_; + + for (j = 0; j < n; j++) { for (i = 0; i < n; i++) - predict[predict_off+ i] = CLAMP_255(left[left_off] + above[above_off+i] - p);//*left + predict[predict_off + i] = CLAMP_255(left[left_off] + above[above_off + i] - p); //*left predict_off += stride; left_off += stride; @@ -5368,538 +5373,572 @@ predict_tm_nxn(predict, //102 function predict_dc_nxn(predict, - predict_off, - stride, - n) -{ - var left = predict; var left_off = predict_off - 1; - var above = predict; var above_off = predict_off - stride; - var i=int_, j=int_; var dc = 0; - - for (i = 0; i < n; i++) - { - dc += left[left_off] + above[above_off+ i];//*left + predict_off, + stride, + n) { + var left = predict; + var left_off = predict_off - 1; + var above = predict; + var above_off = predict_off - stride; + var i = int_, + j = int_; + var dc = 0; + + for (i = 0; i < n; i++) { + dc += left[left_off] + above[above_off + i]; //*left left_off += stride; } - switch (n) - { - case 16: - dc = (dc + 16) >> 5; - break; - case 8: - dc = (dc + 8) >> 4; - break; - case 4: - dc = (dc + 4) >> 3; - break; + switch (n) { + case 16: + dc = (dc + 16) >> 5; + break; + case 8: + dc = (dc + 8) >> 4; + break; + case 4: + dc = (dc + 4) >> 3; + break; } for (i = 0; i < n; i++) for (j = 0; j < n; j++) - predict[predict_off+ i *stride + j] = dc; + predict[predict_off + i * stride + j] = dc; } //136 function predict_ve_4x4(predict, - predict_off, - stride) -{ - var above = predict; var above_off = predict_off - stride; - var i=int_, j=int_; - - predict[predict_off+ 0] = (above[above_off -1] + 2 * above[above_off+ 0] + above[above_off+ 1] + 2) >> 2; - predict[predict_off+ 1] = (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; - predict[predict_off+ 2] = (above[above_off+ 1] + 2 * above[above_off+ 2] + above[above_off+ 3] + 2) >> 2; - predict[predict_off+ 3] = (above[above_off+ 2] + 2 * above[above_off+ 3] + above[above_off+ 4] + 2) >> 2; + predict_off, + stride) { + var above = predict; + var above_off = predict_off - stride; + var i = int_, + j = int_; + + predict[predict_off + 0] = (above[above_off - 1] + 2 * above[above_off + 0] + above[above_off + 1] + 2) >> 2; + predict[predict_off + 1] = (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; + predict[predict_off + 2] = (above[above_off + 1] + 2 * above[above_off + 2] + above[above_off + 3] + 2) >> 2; + predict[predict_off + 3] = (above[above_off + 2] + 2 * above[above_off + 3] + above[above_off + 4] + 2) >> 2; for (i = 1; i < 4; i++) for (j = 0; j < 4; j++) - predict[predict_off+ i *stride + j] = predict[predict_off+ j]; + predict[predict_off + i * stride + j] = predict[predict_off + j]; } //154 function predict_he_4x4(predict, - predict_off, - stride) -{ - var left = predict; var left_off = predict_off - 1; - - predict[predict_off+ 0] = - predict[predict_off+ 1] = - predict[predict_off+ 2] = - predict[predict_off+ 3] = (left[left_off -stride] + 2 * left[left_off+ 0] + left[left_off+ stride] + 2) >> 2; + predict_off, + stride) { + var left = predict; + var left_off = predict_off - 1; + + predict[predict_off + 0] = + predict[predict_off + 1] = + predict[predict_off + 2] = + predict[predict_off + 3] = (left[left_off - stride] + 2 * left[left_off + 0] + left[left_off + stride] + 2) >> 2; predict_off += stride; left_off += stride; - predict[predict_off+ 0] = - predict[predict_off+ 1] = - predict[predict_off+ 2] = - predict[predict_off+ 3] = (left[left_off -stride] + 2 * left[left_off+ 0] + left[left_off+ stride] + 2) >> 2; + predict[predict_off + 0] = + predict[predict_off + 1] = + predict[predict_off + 2] = + predict[predict_off + 3] = (left[left_off - stride] + 2 * left[left_off + 0] + left[left_off + stride] + 2) >> 2; predict_off += stride; left_off += stride; - predict[predict_off+ 0] = - predict[predict_off+ 1] = - predict[predict_off+ 2] = - predict[predict_off+ 3] = (left[left_off -stride] + 2 * left[left_off+ 0] + left[left_off+ stride] + 2) >> 2; + predict[predict_off + 0] = + predict[predict_off + 1] = + predict[predict_off + 2] = + predict[predict_off + 3] = (left[left_off - stride] + 2 * left[left_off + 0] + left[left_off + stride] + 2) >> 2; predict_off += stride; left_off += stride; - predict[predict_off+ 0] = - predict[predict_off+ 1] = - predict[predict_off+ 2] = - predict[predict_off+ 3] = (left[left_off -stride] + 2 * left[left_off+ 0] + left[left_off+ 0] + 2) >> 2; + predict[predict_off + 0] = + predict[predict_off + 1] = + predict[predict_off + 2] = + predict[predict_off + 3] = (left[left_off - stride] + 2 * left[left_off + 0] + left[left_off + 0] + 2) >> 2; } //188 function predict_ld_4x4(predict, - predict_off, - stride) -{ - var above = predict; var above_off = predict_off - stride; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_; - - predict[predict_off+ 0] = pred0 = (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; - predict[predict_off+ 1] = pred1 = (above[above_off+ 1] + 2 * above[above_off+ 2] + above[above_off+ 3] + 2) >> 2; - predict[predict_off+ 2] = pred2 = (above[above_off+ 2] + 2 * above[above_off+ 3] + above[above_off+ 4] + 2) >> 2; - predict[predict_off+ 3] = pred3 = (above[above_off+ 3] + 2 * above[above_off+ 4] + above[above_off+ 5] + 2) >> 2; + predict_off, + stride) { + var above = predict; + var above_off = predict_off - stride; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_; + + predict[predict_off + 0] = pred0 = (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; + predict[predict_off + 1] = pred1 = (above[above_off + 1] + 2 * above[above_off + 2] + above[above_off + 3] + 2) >> 2; + predict[predict_off + 2] = pred2 = (above[above_off + 2] + 2 * above[above_off + 3] + above[above_off + 4] + 2) >> 2; + predict[predict_off + 3] = pred3 = (above[above_off + 3] + 2 * above[above_off + 4] + above[above_off + 5] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred1; - predict[predict_off+ 1] = pred2; - predict[predict_off+ 2] = pred3; - predict[predict_off+ 3] = pred4 = (above[above_off+ 4] + 2 * above[above_off+ 5] + above[above_off+ 6] + 2) >> 2; + predict[predict_off + 0] = pred1; + predict[predict_off + 1] = pred2; + predict[predict_off + 2] = pred3; + predict[predict_off + 3] = pred4 = (above[above_off + 4] + 2 * above[above_off + 5] + above[above_off + 6] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred2; - predict[predict_off+ 1] = pred3; - predict[predict_off+ 2] = pred4; - predict[predict_off+ 3] = pred5 = (above[above_off+ 5] + 2 * above[above_off+ 6] + above[above_off+ 7] + 2) >> 2; + predict[predict_off + 0] = pred2; + predict[predict_off + 1] = pred3; + predict[predict_off + 2] = pred4; + predict[predict_off + 3] = pred5 = (above[above_off + 5] + 2 * above[above_off + 6] + above[above_off + 7] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred3; - predict[predict_off+ 1] = pred4; - predict[predict_off+ 2] = pred5; - predict[predict_off+ 3] = pred6 = (above[above_off+ 6] + 2 * above[above_off+ 7] + above[above_off+ 7] + 2) >> 2; + predict[predict_off + 0] = pred3; + predict[predict_off + 1] = pred4; + predict[predict_off + 2] = pred5; + predict[predict_off + 3] = pred6 = (above[above_off + 6] + 2 * above[above_off + 7] + above[above_off + 7] + 2) >> 2; } //220 function predict_rd_4x4(predict, - predict_off, - stride) -{ - var left = predict; var left_off = predict_off - 1; - var above = predict; var above_off = predict_off - stride; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_; - - predict[predict_off+ 0] = pred0 = - (left[left_off+ 0] + 2 * above[above_off -1] + above[above_off+ 0] + 2) >> 2; - predict[predict_off+ 1] = pred1 = - (above[above_off -1] + 2 * above[above_off+ 0] + above[above_off+ 1] + 2) >> 2; - predict[predict_off+ 2] = pred2 = - (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; - predict[predict_off+ 3] = pred3 = - (above[above_off+ 1] + 2 * above[above_off+ 2] + above[above_off+ 3] + 2) >> 2; + predict_off, + stride) { + var left = predict; + var left_off = predict_off - 1; + var above = predict; + var above_off = predict_off - stride; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_; + + predict[predict_off + 0] = pred0 = + (left[left_off + 0] + 2 * above[above_off - 1] + above[above_off + 0] + 2) >> 2; + predict[predict_off + 1] = pred1 = + (above[above_off - 1] + 2 * above[above_off + 0] + above[above_off + 1] + 2) >> 2; + predict[predict_off + 2] = pred2 = + (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; + predict[predict_off + 3] = pred3 = + (above[above_off + 1] + 2 * above[above_off + 2] + above[above_off + 3] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred4 = - (left[left_off+ stride] + 2 * left[left_off+ 0] + above[above_off -1] + 2) >> 2; - predict[predict_off+ 1] = pred0; - predict[predict_off+ 2] = pred1; - predict[predict_off+ 3] = pred2; + predict[predict_off + 0] = pred4 = + (left[left_off + stride] + 2 * left[left_off + 0] + above[above_off - 1] + 2) >> 2; + predict[predict_off + 1] = pred0; + predict[predict_off + 2] = pred1; + predict[predict_off + 3] = pred2; predict_off += stride; - predict[predict_off+ 0] = pred5 = - (left[left_off+ stride*2] + 2 * left[left_off+ stride] + left[left_off+ 0] + 2) >> 2; - predict[predict_off+ 1] = pred4; - predict[predict_off+ 2] = pred0; - predict[predict_off+ 3] = pred1; + predict[predict_off + 0] = pred5 = + (left[left_off + stride * 2] + 2 * left[left_off + stride] + left[left_off + 0] + 2) >> 2; + predict[predict_off + 1] = pred4; + predict[predict_off + 2] = pred0; + predict[predict_off + 3] = pred1; predict_off += stride; - predict[predict_off+ 0] = pred6 = - (left[left_off+ stride*3] + 2 * left[left_off+ stride*2] + left[left_off+ stride] + 2) >> 2; - predict[predict_off+ 1] = pred5; - predict[predict_off+ 2] = pred4; - predict[predict_off+ 3] = pred0; + predict[predict_off + 0] = pred6 = + (left[left_off + stride * 3] + 2 * left[left_off + stride * 2] + left[left_off + stride] + 2) >> 2; + predict[predict_off + 1] = pred5; + predict[predict_off + 2] = pred4; + predict[predict_off + 3] = pred0; } //260 function predict_vr_4x4(predict, - predict_off, - stride) -{ - var left = predict; var left_off = predict_off - 1; - var above = predict; var above_off = predict_off - stride; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_, - pred7=int_, pred8=int_, pred9=int_; - - predict[predict_off+ 0] = pred0 = (above[above_off -1] + above[above_off+ 0] + 1) >> 1; - predict[predict_off+ 1] = pred1 = (above[above_off+ 0] + above[above_off+ 1] + 1) >> 1; - predict[predict_off+ 2] = pred2 = (above[above_off+ 1] + above[above_off+ 2] + 1) >> 1; - predict[predict_off+ 3] = pred3 = (above[above_off+ 2] + above[above_off+ 3] + 1) >> 1; + predict_off, + stride) { + var left = predict; + var left_off = predict_off - 1; + var above = predict; + var above_off = predict_off - stride; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_, + pred7 = int_, + pred8 = int_, + pred9 = int_; + + predict[predict_off + 0] = pred0 = (above[above_off - 1] + above[above_off + 0] + 1) >> 1; + predict[predict_off + 1] = pred1 = (above[above_off + 0] + above[above_off + 1] + 1) >> 1; + predict[predict_off + 2] = pred2 = (above[above_off + 1] + above[above_off + 2] + 1) >> 1; + predict[predict_off + 3] = pred3 = (above[above_off + 2] + above[above_off + 3] + 1) >> 1; predict_off += stride; - predict[predict_off+ 0] = pred4 = - (left[left_off+ 0] + 2 * above[above_off -1] + above[above_off+ 0] + 2) >> 2; - predict[predict_off+ 1] = pred5 = - (above[above_off -1] + 2 * above[above_off+ 0] + above[above_off+ 1] + 2) >> 2; - predict[predict_off+ 2] = pred6 = - (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; - predict[predict_off+ 3] = pred7 = - (above[above_off+ 1] + 2 * above[above_off+ 2] + above[above_off+ 3] + 2) >> 2; + predict[predict_off + 0] = pred4 = + (left[left_off + 0] + 2 * above[above_off - 1] + above[above_off + 0] + 2) >> 2; + predict[predict_off + 1] = pred5 = + (above[above_off - 1] + 2 * above[above_off + 0] + above[above_off + 1] + 2) >> 2; + predict[predict_off + 2] = pred6 = + (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; + predict[predict_off + 3] = pred7 = + (above[above_off + 1] + 2 * above[above_off + 2] + above[above_off + 3] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred8 = - (left[left_off+ stride] + 2 * left[left_off+ 0] + above[above_off -1] + 2) >> 2; - predict[predict_off+ 1] = pred0; - predict[predict_off+ 2] = pred1; - predict[predict_off+ 3] = pred2; + predict[predict_off + 0] = pred8 = + (left[left_off + stride] + 2 * left[left_off + 0] + above[above_off - 1] + 2) >> 2; + predict[predict_off + 1] = pred0; + predict[predict_off + 2] = pred1; + predict[predict_off + 3] = pred2; predict_off += stride; - predict[predict_off+ 0] = pred9 = - (left[left_off+ stride*2] + 2 * left[left_off+ stride] + left[left_off+ 0] + 2) >> 2; - predict[predict_off+ 1] = pred4; - predict[predict_off+ 2] = pred5; - predict[predict_off+ 3] = pred6; + predict[predict_off + 0] = pred9 = + (left[left_off + stride * 2] + 2 * left[left_off + stride] + left[left_off + 0] + 2) >> 2; + predict[predict_off + 1] = pred4; + predict[predict_off + 2] = pred5; + predict[predict_off + 3] = pred6; } //300 function predict_vl_4x4(predict, - predict_off, - stride) -{ - var above = predict; var above_off = predict_off - stride; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_, - pred7=int_, pred8=int_, pred9=int_; - - predict[predict_off+ 0] = pred0 = (above[above_off+ 0] + above[above_off+ 1] + 1) >> 1; - predict[predict_off+ 1] = pred1 = (above[above_off+ 1] + above[above_off+ 2] + 1) >> 1; - predict[predict_off+ 2] = pred2 = (above[above_off+ 2] + above[above_off+ 3] + 1) >> 1; - predict[predict_off+ 3] = pred3 = (above[above_off+ 3] + above[above_off+ 4] + 1) >> 1; + predict_off, + stride) { + var above = predict; + var above_off = predict_off - stride; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_, + pred7 = int_, + pred8 = int_, + pred9 = int_; + + predict[predict_off + 0] = pred0 = (above[above_off + 0] + above[above_off + 1] + 1) >> 1; + predict[predict_off + 1] = pred1 = (above[above_off + 1] + above[above_off + 2] + 1) >> 1; + predict[predict_off + 2] = pred2 = (above[above_off + 2] + above[above_off + 3] + 1) >> 1; + predict[predict_off + 3] = pred3 = (above[above_off + 3] + above[above_off + 4] + 1) >> 1; predict_off += stride; - predict[predict_off+ 0] = pred4 = - (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; - predict[predict_off+ 1] = pred5 = - (above[above_off+ 1] + 2 * above[above_off+ 2] + above[above_off+ 3] + 2) >> 2; - predict[predict_off+ 2] = pred6 = - (above[above_off+ 2] + 2 * above[above_off+ 3] + above[above_off+ 4] + 2) >> 2; - predict[predict_off+ 3] = pred7 = - (above[above_off+ 3] + 2 * above[above_off+ 4] + above[above_off+ 5] + 2) >> 2; + predict[predict_off + 0] = pred4 = + (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; + predict[predict_off + 1] = pred5 = + (above[above_off + 1] + 2 * above[above_off + 2] + above[above_off + 3] + 2) >> 2; + predict[predict_off + 2] = pred6 = + (above[above_off + 2] + 2 * above[above_off + 3] + above[above_off + 4] + 2) >> 2; + predict[predict_off + 3] = pred7 = + (above[above_off + 3] + 2 * above[above_off + 4] + above[above_off + 5] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred1; - predict[predict_off+ 1] = pred2; - predict[predict_off+ 2] = pred3; - predict[predict_off+ 3] = pred8 = (above[above_off+ 4] + 2 * above[above_off+ 5] + above[above_off+ 6] + 2) >> 2; + predict[predict_off + 0] = pred1; + predict[predict_off + 1] = pred2; + predict[predict_off + 2] = pred3; + predict[predict_off + 3] = pred8 = (above[above_off + 4] + 2 * above[above_off + 5] + above[above_off + 6] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred5; - predict[predict_off+ 1] = pred6; - predict[predict_off+ 2] = pred7; - predict[predict_off+ 3] = pred9 = (above[above_off+ 5] + 2 * above[above_off+ 6] + above[above_off+ 7] + 2) >> 2; + predict[predict_off + 0] = pred5; + predict[predict_off + 1] = pred6; + predict[predict_off + 2] = pred7; + predict[predict_off + 3] = pred9 = (above[above_off + 5] + 2 * above[above_off + 6] + above[above_off + 7] + 2) >> 2; } //337 function predict_hd_4x4(predict, - predict_off, - stride) -{ - var left = predict; var left_off = predict_off - 1; - var above = predict; var above_off = predict_off - stride; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_, - pred7=int_, pred8=int_, pred9=int_; - - predict[predict_off+ 0] = pred0 = - (left[left_off+ 0] + above[above_off -1] + 1) >> 1; - predict[predict_off+ 1] = pred1 = - (left[left_off+ 0] + 2 * above[above_off -1] + above[above_off+ 0] + 2) >> 2; - predict[predict_off+ 2] = pred2 = - (above[above_off -1] + 2 * above[above_off+ 0] + above[above_off+ 1] + 2) >> 2; - predict[predict_off+ 3] = pred3 = - (above[above_off+ 0] + 2 * above[above_off+ 1] + above[above_off+ 2] + 2) >> 2; + predict_off, + stride) { + var left = predict; + var left_off = predict_off - 1; + var above = predict; + var above_off = predict_off - stride; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_, + pred7 = int_, + pred8 = int_, + pred9 = int_; + + predict[predict_off + 0] = pred0 = + (left[left_off + 0] + above[above_off - 1] + 1) >> 1; + predict[predict_off + 1] = pred1 = + (left[left_off + 0] + 2 * above[above_off - 1] + above[above_off + 0] + 2) >> 2; + predict[predict_off + 2] = pred2 = + (above[above_off - 1] + 2 * above[above_off + 0] + above[above_off + 1] + 2) >> 2; + predict[predict_off + 3] = pred3 = + (above[above_off + 0] + 2 * above[above_off + 1] + above[above_off + 2] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred4 = - (left[left_off+ stride] + left[left_off+ 0] + 1) >> 1; - predict[predict_off+ 1] = pred5 = - (left[left_off+ stride] + 2 * left[left_off+ 0] + above[above_off -1] + 2) >> 2; - predict[predict_off+ 2] = pred0; - predict[predict_off+ 3] = pred1; + predict[predict_off + 0] = pred4 = + (left[left_off + stride] + left[left_off + 0] + 1) >> 1; + predict[predict_off + 1] = pred5 = + (left[left_off + stride] + 2 * left[left_off + 0] + above[above_off - 1] + 2) >> 2; + predict[predict_off + 2] = pred0; + predict[predict_off + 3] = pred1; predict_off += stride; - predict[predict_off+ 0] = pred6 = - (left[left_off+ stride*2] + left[left_off+ stride] + 1) >> 1; - predict[predict_off+ 1] = pred7 = - (left[left_off+ stride*2] + 2 * left[left_off+ stride] + left[left_off+ 0] + 2) >> 2; - predict[predict_off+ 2] = pred4; - predict[predict_off+ 3] = pred5; + predict[predict_off + 0] = pred6 = + (left[left_off + stride * 2] + left[left_off + stride] + 1) >> 1; + predict[predict_off + 1] = pred7 = + (left[left_off + stride * 2] + 2 * left[left_off + stride] + left[left_off + 0] + 2) >> 2; + predict[predict_off + 2] = pred4; + predict[predict_off + 3] = pred5; predict_off += stride; - predict[predict_off+ 0] = pred8 = - (left[left_off+ stride*3] + left[left_off+ stride*2] + 1) >> 1; - predict[predict_off+ 1] = pred9 = - (left[left_off+ stride*3] + 2 * left[left_off+ stride*2] + left[left_off+ stride] + 2) >> 2; - predict[predict_off+ 2] = pred6; - predict[predict_off+ 3] = pred7; + predict[predict_off + 0] = pred8 = + (left[left_off + stride * 3] + left[left_off + stride * 2] + 1) >> 1; + predict[predict_off + 1] = pred9 = + (left[left_off + stride * 3] + 2 * left[left_off + stride * 2] + left[left_off + stride] + 2) >> 2; + predict[predict_off + 2] = pred6; + predict[predict_off + 3] = pred7; } //381 function predict_hu_4x4(predict, - predict_off, - stride) -{ - var left = predict; var left_off = predict_off - 1; - var pred0=int_, pred1=int_, pred2=int_, pred3=int_, pred4=int_, pred5=int_, pred6=int_; - - predict[predict_off+ 0] = pred0 = - (left[left_off+ stride*0] + left[left_off+ stride*1] + 1) >> 1; - predict[predict_off+ 1] = pred1 = - (left[left_off+ stride*0] + 2 * left[left_off+ stride*1] + left[left_off+ stride*2] + 2) >> 2; - predict[predict_off+ 2] = pred2 = - (left[left_off+ stride*1] + left[left_off+ stride*2] + 1) >> 1; - predict[predict_off+ 3] = pred3 = - (left[left_off+ stride*1] + 2 * left[left_off+ stride*2] + left[left_off+ stride*3] + 2) >> 2; + predict_off, + stride) { + var left = predict; + var left_off = predict_off - 1; + var pred0 = int_, + pred1 = int_, + pred2 = int_, + pred3 = int_, + pred4 = int_, + pred5 = int_, + pred6 = int_; + + predict[predict_off + 0] = pred0 = + (left[left_off + stride * 0] + left[left_off + stride * 1] + 1) >> 1; + predict[predict_off + 1] = pred1 = + (left[left_off + stride * 0] + 2 * left[left_off + stride * 1] + left[left_off + stride * 2] + 2) >> 2; + predict[predict_off + 2] = pred2 = + (left[left_off + stride * 1] + left[left_off + stride * 2] + 1) >> 1; + predict[predict_off + 3] = pred3 = + (left[left_off + stride * 1] + 2 * left[left_off + stride * 2] + left[left_off + stride * 3] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred2; - predict[predict_off+ 1] = pred3; - predict[predict_off+ 2] = pred4 = - (left[left_off+ stride*2] + left[left_off+ stride*3] + 1) >> 1; - predict[predict_off+ 3] = pred5 = - (left[left_off+ stride*2] + 2 * left[left_off+ stride*3] + left[left_off+ stride*3] + 2) >> 2; + predict[predict_off + 0] = pred2; + predict[predict_off + 1] = pred3; + predict[predict_off + 2] = pred4 = + (left[left_off + stride * 2] + left[left_off + stride * 3] + 1) >> 1; + predict[predict_off + 3] = pred5 = + (left[left_off + stride * 2] + 2 * left[left_off + stride * 3] + left[left_off + stride * 3] + 2) >> 2; predict_off += stride; - predict[predict_off+ 0] = pred4; - predict[predict_off+ 1] = pred5; - predict[predict_off+ 2] = pred6 = left[left_off+ stride*3]; - predict[predict_off+ 3] = pred6; + predict[predict_off + 0] = pred4; + predict[predict_off + 1] = pred5; + predict[predict_off + 2] = pred6 = left[left_off + stride * 3]; + predict[predict_off + 3] = pred6; predict_off += stride; - predict[predict_off+ 0] = pred6; - predict[predict_off+ 1] = pred6; - predict[predict_off+ 2] = pred6; - predict[predict_off+ 3] = pred6; + predict[predict_off + 0] = pred6; + predict[predict_off + 1] = pred6; + predict[predict_off + 2] = pred6; + predict[predict_off + 3] = pred6; } //419 function -predict_h_16x16(predict, predict_off, stride) -{ +predict_h_16x16(predict, predict_off, stride) { predict_h_nxn(predict, predict_off, stride, 16); } //426 function -predict_v_16x16(predict, predict_off, stride) -{ +predict_v_16x16(predict, predict_off, stride) { predict_v_nxn(predict, predict_off, stride, 16); } //433 function -predict_tm_16x16(predict, predict_off, stride) -{ +predict_tm_16x16(predict, predict_off, stride) { predict_tm_nxn(predict, predict_off, stride, 16); } //440 function -predict_h_8x8(predict, predict_off, stride) -{ +predict_h_8x8(predict, predict_off, stride) { predict_h_nxn(predict, predict_off, stride, 8); } //447 function -predict_v_8x8(predict, predict_off, stride) -{ +predict_v_8x8(predict, predict_off, stride) { predict_v_nxn(predict, predict_off, stride, 8); } //454 function -predict_tm_8x8(predict, predict_off, stride) -{ +predict_tm_8x8(predict, predict_off, stride) { predict_tm_nxn(predict, predict_off, stride, 8); } //461 function -predict_tm_4x4(predict, predict_off, stride) -{ +predict_tm_4x4(predict, predict_off, stride) { predict_tm_nxn(predict, predict_off, stride, 4); } -var tmp_4=new Array(0,0,0,0);//4 +var tmp_4 = new Array(0, 0, 0, 0); //4 //468 function copy_down(recon, - recon_off, - stride) -{ + recon_off, + stride) { /* Copy the four pixels above-right of subblock 3 to * above-right of subblocks 7, 11, and 15 */ - var /*uint32_t,*/ tmp_off=0, copy = (recon); var copy_off = (recon_off + 16 - stride);//*(void *) + var /*uint32_t,*/ tmp_off = 0, + copy = (recon); + var copy_off = (recon_off + 16 - stride); //*(void *) //stride = stride / sizeof(unsigned int); - var i; - for(i=0;i<4;++i) - tmp_4[tmp_off+i] = copy[copy_off+i]; + var i; + for (i = 0; i < 4; ++i) + tmp_4[tmp_off + i] = copy[copy_off + i]; copy_off += stride * 4; - for(i=0;i<4;++i) - copy[copy_off+i] = tmp_4[tmp_off+i]; + for (i = 0; i < 4; ++i) + copy[copy_off + i] = tmp_4[tmp_off + i]; copy_off += stride * 4; - for(i=0;i<4;++i) - copy[copy_off+i] = tmp_4[tmp_off+i]; + for (i = 0; i < 4; ++i) + copy[copy_off + i] = tmp_4[tmp_off + i]; copy_off += stride * 4; - for(i=0;i<4;++i) - copy[copy_off+i] = tmp_4[tmp_off+i]; -} - - -//488 -function -b_pred(predict, - predict_off, - stride, - mbi, - coeffs, - coeffs_off) -{ - var i=int_; - - copy_down(predict, predict_off, stride); - - for (i = 0; i < 16; i++) - { - var b_predict = predict; var b_predict_off = predict_off + (i & 3) * 4;//* - - switch (mbi.splitt.mvs[i].d.x) - { - case B_DC_PRED: - predict_dc_nxn(b_predict, b_predict_off, stride, 4); - break; - case B_TM_PRED: - predict_tm_4x4(b_predict, b_predict_off, stride); - break; - case B_VE_PRED: - predict_ve_4x4(b_predict, b_predict_off, stride); - break; - case B_HE_PRED: - predict_he_4x4(b_predict, b_predict_off, stride); - break; - case B_LD_PRED: - predict_ld_4x4(b_predict, b_predict_off, stride); - break; - case B_RD_PRED: - predict_rd_4x4(b_predict, b_predict_off, stride); - break; - case B_VR_PRED: - predict_vr_4x4(b_predict, b_predict_off, stride); - break; - case B_VL_PRED: - predict_vl_4x4(b_predict, b_predict_off, stride); - break; - case B_HD_PRED: - predict_hd_4x4(b_predict, b_predict_off, stride); - break; - case B_HU_PRED: - predict_hu_4x4(b_predict, b_predict_off, stride); - break; - default: - assert(0); + for (i = 0; i < 4; ++i) + copy[copy_off + i] = tmp_4[tmp_off + i]; +} + + +//488 +function +b_pred(predict, + predict_off, + stride, + mbi, + coeffs, + coeffs_off) { + var i = int_; + + copy_down(predict, predict_off, stride); + + for (i = 0; i < 16; i++) { + var b_predict = predict; + var b_predict_off = predict_off + (i & 3) * 4; //* + + switch (mbi.splitt.mvs[i].d.x) { + case B_DC_PRED: + predict_dc_nxn(b_predict, b_predict_off, stride, 4); + break; + case B_TM_PRED: + predict_tm_4x4(b_predict, b_predict_off, stride); + break; + case B_VE_PRED: + predict_ve_4x4(b_predict, b_predict_off, stride); + break; + case B_HE_PRED: + predict_he_4x4(b_predict, b_predict_off, stride); + break; + case B_LD_PRED: + predict_ld_4x4(b_predict, b_predict_off, stride); + break; + case B_RD_PRED: + predict_rd_4x4(b_predict, b_predict_off, stride); + break; + case B_VR_PRED: + predict_vr_4x4(b_predict, b_predict_off, stride); + break; + case B_VL_PRED: + predict_vl_4x4(b_predict, b_predict_off, stride); + break; + case B_HD_PRED: + predict_hd_4x4(b_predict, b_predict_off, stride); + break; + case B_HU_PRED: + predict_hu_4x4(b_predict, b_predict_off, stride); + break; + default: + assert(0); } vp8_dixie_idct_add(b_predict, b_predict_off, b_predict, b_predict_off, stride, coeffs, coeffs_off); coeffs_off += 16; - if ((i & 3) == 3) - { + if ((i & 3) == 3) { predict_off += stride * 4; } } } -var y2_16=Arr(16,0); +var y2_16 = Arr(16, 0); //549 function fixup_dc_coeffs(mbi, - coeffs, - coeffs_off) -{ - /*Arr(16,short_);*/ var y2_off=0; - var i=int_; + coeffs, + coeffs_off) { + /*Arr(16,short_);*/ + var y2_off = 0; + var i = int_; vp8_dixie_walsh(coeffs, coeffs_off + 24 * 16, y2_16, y2_off); for (i = 0; i < 16; i++) - coeffs[coeffs_off+ i*16] = y2_16[i];//no y2_off need + coeffs[coeffs_off + i * 16] = y2_16[i]; //no y2_off need } //563 function predict_intra_luma(predict, - predict_off, - stride, - mbi, - coeffs, - coeffs_off) -{ + predict_off, + stride, + mbi, + coeffs, + coeffs_off) { if (mbi.base.y_mode == B_PRED) b_pred(predict, predict_off, stride, mbi, coeffs, coeffs_off); - else - { - var i=int_; + else { + var i = int_; - switch (mbi.base.y_mode) - { - case DC_PRED: - predict_dc_nxn(predict, predict_off, stride, 16); - break; - case V_PRED: - predict_v_16x16(predict, predict_off, stride); - break; - case H_PRED: - predict_h_16x16(predict, predict_off, stride); - break; - case TM_PRED: - predict_tm_16x16(predict, predict_off, stride); - break; - default: - assert(0); + switch (mbi.base.y_mode) { + case DC_PRED: + predict_dc_nxn(predict, predict_off, stride, 16); + break; + case V_PRED: + predict_v_16x16(predict, predict_off, stride); + break; + case H_PRED: + predict_h_16x16(predict, predict_off, stride); + break; + case TM_PRED: + predict_tm_16x16(predict, predict_off, stride); + break; + default: + assert(0); } fixup_dc_coeffs(mbi, coeffs, coeffs_off); - for (i = 0; i < 16; i++) - { + for (i = 0; i < 16; i++) { vp8_dixie_idct_add(predict, predict_off, predict, predict_off, stride, coeffs, coeffs_off); coeffs_off += 16; predict_off += 4; @@ -5915,42 +5954,39 @@ predict_intra_luma(predict, //609 function predict_intra_chroma(predict_u, - predict_u_off, - predict_v, - predict_v_off, - stride, - mbi, - coeffs, - coeffs_off) -{ - var i=int_; - - switch (mbi.base.uv_mode) - { - case DC_PRED: - predict_dc_nxn(predict_u, predict_u_off, stride, 8); - predict_dc_nxn(predict_v, predict_v_off, stride, 8); - break; - case V_PRED: - predict_v_8x8(predict_u, predict_u_off, stride); - predict_v_8x8(predict_v, predict_v_off, stride); - break; - case H_PRED: - predict_h_8x8(predict_u, predict_u_off, stride); - predict_h_8x8(predict_v, predict_v_off, stride); - break; - case TM_PRED: - predict_tm_8x8(predict_u, predict_u_off, stride); - predict_tm_8x8(predict_v, predict_v_off, stride); - break; - default: - assert(0); + predict_u_off, + predict_v, + predict_v_off, + stride, + mbi, + coeffs, + coeffs_off) { + var i = int_; + + switch (mbi.base.uv_mode) { + case DC_PRED: + predict_dc_nxn(predict_u, predict_u_off, stride, 8); + predict_dc_nxn(predict_v, predict_v_off, stride, 8); + break; + case V_PRED: + predict_v_8x8(predict_u, predict_u_off, stride); + predict_v_8x8(predict_v, predict_v_off, stride); + break; + case H_PRED: + predict_h_8x8(predict_u, predict_u_off, stride); + predict_h_8x8(predict_v, predict_v_off, stride); + break; + case TM_PRED: + predict_tm_8x8(predict_u, predict_u_off, stride); + predict_tm_8x8(predict_v, predict_v_off, stride); + break; + default: + assert(0); } coeffs_off += 16 * 16; - for (i = 16; i < 20; i++) - { + for (i = 16; i < 20; i++) { vp8_dixie_idct_add(predict_u, predict_u_off, predict_u, predict_u_off, stride, coeffs, coeffs_off); coeffs_off += 16; predict_u_off += 4; @@ -5959,8 +5995,7 @@ predict_intra_chroma(predict_u, predict_u_off += stride * 4 - 8; } - for (i = 20; i < 24; i++) - { + for (i = 20; i < 24; i++) { vp8_dixie_idct_add(predict_v, predict_v_off, predict_v, predict_v_off, stride, coeffs, coeffs_off); coeffs_off += 16; predict_v_off += 4; @@ -5975,31 +6010,30 @@ predict_intra_chroma(predict_u, //665 function sixtap_horiz(output, - output_off, - output_stride, - reference, - reference_off, - reference_stride, - cols, - rows, - filter - ) -{ - var r=int_, c=int_, temp=int_; - - for (r = 0; r < rows; r++) - { - for (c = 0; c < cols; c++) - { - temp = (reference[reference_off -2] * filter[0]) + - (reference[reference_off -1] * filter[1]) + - (reference[reference_off+ 0] * filter[2]) + - (reference[reference_off+ 1] * filter[3]) + - (reference[reference_off+ 2] * filter[4]) + - (reference[reference_off+ 3] * filter[5]) + - 64; + output_off, + output_stride, + reference, + reference_off, + reference_stride, + cols, + rows, + filter +) { + var r = int_, + c = int_, + temp = int_; + + for (r = 0; r < rows; r++) { + for (c = 0; c < cols; c++) { + temp = (reference[reference_off - 2] * filter[0]) + + (reference[reference_off - 1] * filter[1]) + + (reference[reference_off + 0] * filter[2]) + + (reference[reference_off + 1] * filter[3]) + + (reference[reference_off + 2] * filter[4]) + + (reference[reference_off + 3] * filter[5]) + + 64; temp >>= 7; - output[output_off+ c] = (temp);//CLAMP_255 + output[output_off + c] = (temp); //CLAMP_255 reference_off++; } @@ -6012,31 +6046,30 @@ sixtap_horiz(output, //699 function sixtap_vert(output, - output_off, - output_stride, - reference, - reference_off, - reference_stride, - cols, - rows, - filter - ) -{ - var r=int_, c=int_, temp=int_; - - for (r = 0; r < rows; r++) - { - for (c = 0; c < cols; c++) - { - temp = (reference[reference_off -2*reference_stride] * filter[0]) + - (reference[reference_off -1*reference_stride] * filter[1]) + - (reference[reference_off+ 0*reference_stride] * filter[2]) + - (reference[reference_off+ 1*reference_stride] * filter[3]) + - (reference[reference_off+ 2*reference_stride] * filter[4]) + - (reference[reference_off+ 3*reference_stride] * filter[5]) + - 64; + output_off, + output_stride, + reference, + reference_off, + reference_stride, + cols, + rows, + filter +) { + var r = int_, + c = int_, + temp = int_; + + for (r = 0; r < rows; r++) { + for (c = 0; c < cols; c++) { + temp = (reference[reference_off - 2 * reference_stride] * filter[0]) + + (reference[reference_off - 1 * reference_stride] * filter[1]) + + (reference[reference_off + 0 * reference_stride] * filter[2]) + + (reference[reference_off + 1 * reference_stride] * filter[3]) + + (reference[reference_off + 2 * reference_stride] * filter[4]) + + (reference[reference_off + 3 * reference_stride] * filter[5]) + + 64; temp >>= 7; - output[output_off+ c] = (temp);//CLAMP_255 + output[output_off + c] = (temp); //CLAMP_255 reference_off++; } @@ -6046,73 +6079,71 @@ sixtap_vert(output, } - var temp_=new Array(16*(16+5));//Arr(16*(16+5),char_);// DECLARE_ALIGNED(16, unsigned char, temp[16*(16+5)]); +var temp_ = new Array(16 * (16 + 5)); //Arr(16*(16+5),char_);// DECLARE_ALIGNED(16, unsigned char, temp[16*(16+5)]); //733 function sixtap_2d(output, - output_off, - output_stride, - reference, - reference_off, - reference_stride, - cols, - rows, - mx, - my, - filters - ) -{ + output_off, + output_stride, + reference, + reference_off, + reference_stride, + cols, + rows, + mx, + my, + filters +) { sixtap_horiz(temp_, 0, 16, - reference, reference_off - 2 * reference_stride, reference_stride, - cols, rows + 5, filters[mx]); + reference, reference_off - 2 * reference_stride, reference_stride, + cols, rows + 5, filters[mx]); sixtap_vert(output, output_off, output_stride, - temp_, + 2 * 16, 16, - cols, rows, filters[my]); + temp_, +2 * 16, 16, + cols, rows, filters[my]); } -var img_index = function() -{ - this.y=char_, this.u=char_, this.v=char_, - this.y_off=0, this.u_off=0, this.v_off=0, - this.stride=int_, this.uv_stride=int_ +var img_index = function() { + this.y = char_, this.u = char_, this.v = char_, + this.y_off = 0, this.u_off = 0, this.v_off = 0, + this.stride = int_, this.uv_stride = int_ }; //763 function // * filter_block(return_off, - output, - output_off, - reference, - reference_off, - stride, - mv_, - filters) -{ - var mx=int_, my=int_; + output, + output_off, + reference, + reference_off, + stride, + mv_, + filters) { + var mx = int_, + my = int_; /* Handle 0,0 as a special case. TODO: does this make it any * faster? */ - if (!mv_.d.x && !mv_.d.y) {//.raw - return_off[0]=reference_off; + if (!mv_.d.x && !mv_.d.y) { //.raw + return_off[0] = reference_off; return reference; - } + } mx = mv_.d.x & 7; my = mv_.d.y & 7; reference_off += ((mv_.d.y >> 3) * stride) + (mv_.d.x >> 3); - if (mx | my) - { + if (mx | my) { sixtap_2d(output, output_off, stride, reference, reference_off, stride, 4, 4, mx, my, - filters); - reference = output; reference_off = output_off; + filters); + reference = output; + reference_off = output_off; } - - return_off[0]=reference_off; + + return_off[0] = reference_off; return reference; } @@ -6120,61 +6151,60 @@ filter_block(return_off, //793 function recon_1_block(output, - output_off, - reference, - reference_off, - stride, - mv, - filters, - coeffs, - coeffs_off, - mbi, - b - ) -{ - var predict=char_; var predict_off=0; var filter_block_return_off=[0]; + output_off, + reference, + reference_off, + stride, + mv, + filters, + coeffs, + coeffs_off, + mbi, + b +) { + var predict = char_; + var predict_off = 0; + var filter_block_return_off = [0]; predict = filter_block(filter_block_return_off, output, output_off, reference, reference_off, stride, mv, filters); - predict_off = filter_block_return_off[0]; - vp8_dixie_idct_add(output, output_off, predict, predict_off, stride, coeffs, coeffs_off + 16 * b); + predict_off = filter_block_return_off[0]; + vp8_dixie_idct_add(output, output_off, predict, predict_off, stride, coeffs, coeffs_off + 16 * b); } //811 function calculate_chroma_splitmv(mbi, - b, - full_pixel) -{ - var temp=int_; - var mv_=new mv(); + b, + full_pixel) { + var temp = int_; + var mv_ = new mv(); temp = mbi.splitt.mvs[b].d.x + - mbi.splitt.mvs[b+1].d.x + - mbi.splitt.mvs[b+4].d.x + - mbi.splitt.mvs[b+5].d.x; + mbi.splitt.mvs[b + 1].d.x + + mbi.splitt.mvs[b + 4].d.x + + mbi.splitt.mvs[b + 5].d.x; if (temp < 0) temp -= 4; else temp += 4; - mv_.d.x = parseInt(temp / 8,10); + mv_.d.x = parseInt(temp / 8, 10); temp = mbi.splitt.mvs[b].d.y + - mbi.splitt.mvs[b+1].d.y + - mbi.splitt.mvs[b+4].d.y + - mbi.splitt.mvs[b+5].d.y; + mbi.splitt.mvs[b + 1].d.y + + mbi.splitt.mvs[b + 4].d.y + + mbi.splitt.mvs[b + 5].d.y; if (temp < 0) temp -= 4; else temp += 4; - mv_.d.y = parseInt(temp / 8,10); + mv_.d.y = parseInt(temp / 8, 10); - if (full_pixel) - { + if (full_pixel) { mv_.d.x &= ~7; mv_.d.y &= ~7; } @@ -6190,32 +6220,34 @@ calculate_chroma_splitmv(mbi, //857 function build_mc_border(dst, - dst_off, - src, - src_off, - stride, - x, - y, - b_w, - b_h, - w, - h - ) -{ - var ref_row=char_; var ref_row_off=char_; + dst_off, + src, + src_off, + stride, + x, + y, + b_w, + b_h, + w, + h +) { + var ref_row = char_; + var ref_row_off = char_; /* Get a pointer to the start of the real data for this row */ - ref_row = src; ref_row_off = src_off - x - y * stride; + ref_row = src; + ref_row_off = src_off - x - y * stride; if (y >= h) ref_row_off += (h - 1) * stride; else if (y > 0) ref_row_off += y * stride; - do - { - var left=int_, right = 0, copy=int_; + do { + var left = int_, + right = 0, + copy = int_; left = x < 0 ? -x : 0; @@ -6231,13 +6263,13 @@ build_mc_border(dst, copy = b_w - left - right; if (left) - memset(dst, dst_off, ref_row[ref_row_off+ 0], left); + memset(dst, dst_off, ref_row[ref_row_off + 0], left); if (copy) memcpy(dst, dst_off + left, ref_row, ref_row_off + x + left, copy); if (right) - memset(dst, dst_off + left + copy, ref_row[ref_row_off+ w-1], right); + memset(dst, dst_off + left + copy, ref_row[ref_row_off + w - 1], right); dst_off += stride; y++; @@ -6252,25 +6284,25 @@ build_mc_border(dst, //916 function recon_1_edge_block(output, - output_off, - emul_block, - emul_block_off, - reference, - reference_off, - stride, - mv_, - filters, - coeffs, - coeffs_off, - mbi, - x, - y, - w, - h, - start_b - ) -{ - var predict=char_; var predict_off=0; + output_off, + emul_block, + emul_block_off, + reference, + reference_off, + stride, + mv_, + filters, + coeffs, + coeffs_off, + mbi, + x, + y, + w, + h, + start_b +) { + var predict = char_; + var predict_off = 0; var b = start_b; var b_w = 4; var b_h = 4; @@ -6279,101 +6311,113 @@ recon_1_edge_block(output, y += mv_.d.y >> 3; /* Need two pixels left/above, 3 right/below for 6-tap */ - if (x < 2 || x + b_w - 1 + 3 >= w || y < 2 || y + b_h - 1 + 3 >= h) - { + if (x < 2 || x + b_w - 1 + 3 >= w || y < 2 || y + b_h - 1 + 3 >= h) { reference_off += (mv_.d.x >> 3) + (mv_.d.y >> 3) * stride; build_mc_border(emul_block, emul_block_off, - reference, reference_off - 2 - 2 * stride, stride, - x - 2, y - 2, b_w + 5, b_h + 5, w, h); - reference = emul_block; reference_off = emul_block_off + 2 * stride + 2; + reference, reference_off - 2 - 2 * stride, stride, + x - 2, y - 2, b_w + 5, b_h + 5, w, h); + reference = emul_block; + reference_off = emul_block_off + 2 * stride + 2; reference_off -= (mv_.d.x >> 3) + (mv_.d.y >> 3) * stride; - } var filter_block_return_off=[0]; + } + var filter_block_return_off = [0]; predict = filter_block(filter_block_return_off, output, output_off, reference, reference_off, stride, mv_, filters); - predict_off = filter_block_return_off[0]; + predict_off = filter_block_return_off[0]; vp8_dixie_idct_add(output, output_off, predict, predict_off, stride, coeffs, coeffs_off + 16 * b); } -var uvmv_1=new mv(); +var uvmv_1 = new mv(); //956 function predict_inter_emulated_edge(ctx, - img, - coeffs, - coeffs_off, - mbi, - mb_col, - mb_row) -{ + img, + coeffs, + coeffs_off, + mbi, + mb_col, + mb_row) { /* TODO: move this into its own buffer. This only works because we * still have a border allocated. */ - var emul_block = ctx.frame_strg[0].img.img_data; var emul_block_off = ctx.frame_strg[0].img.img_data_off; - var reference=char_; var reference_off=0; - var output=char_; var output_off=0; - var reference_offset=ptrdiff_t; - var w=int_, h=int_, x=int_, y=int_, b=int_; - var chroma_mv=Arr_new(4,mv); - var u = img.u, v = img.v; var u_off = img.u_off, v_off = img.v_off; - var full_pixel = (ctx.frame_hdr.version == 3)+0; + var emul_block = ctx.frame_strg[0].img.img_data; + var emul_block_off = ctx.frame_strg[0].img.img_data_off; + var reference = char_; + var reference_off = 0; + var output = char_; + var output_off = 0; + var reference_offset = ptrdiff_t; + var w = int_, + h = int_, + x = int_, + y = int_, + b = int_; + var chroma_mv = Arr_new(4, mv); + var u = img.u, + v = img.v; + var u_off = img.u_off, + v_off = img.v_off; + var full_pixel = (ctx.frame_hdr.version == 3) + 0; x = mb_col * 16; y = mb_row * 16; w = ctx.mb_cols * 16; h = ctx.mb_rows * 16; - output = img.y; output_off = img.y_off; - reference_offset = ctx.ref_frame_offsets[mbi.base.ref_frame]; reference = ctx.ref_frame_offsets_[mbi.base.ref_frame]; - /*reference = output;*/ reference_off = output_off + reference_offset; - - if (mbi.base.y_mode != SPLITMV) - { - var uvmv=uvmv_1; - - uvmv.d.x = mbi.base.mv.d.x;uvmv.d.y = mbi.base.mv.d.y; - uvmv.d.x = (uvmv.d.x + 1/* + (uvmv.d.x >> 31) * 2*/) >> 1; - uvmv.d.y = (uvmv.d.y + 1/* + (uvmv.d.y >> 31) * 2*/) >> 1; - - if (full_pixel) - { + output = img.y; + output_off = img.y_off; + reference_offset = ctx.ref_frame_offsets[mbi.base.ref_frame]; + reference = ctx.ref_frame_offsets_[mbi.base.ref_frame]; + /*reference = output;*/ + reference_off = output_off + reference_offset; + + if (mbi.base.y_mode != SPLITMV) { + var uvmv = uvmv_1; + + uvmv.d.x = mbi.base.mv.d.x; + uvmv.d.y = mbi.base.mv.d.y; + uvmv.d.x = (uvmv.d.x + 1 /* + (uvmv.d.x >> 31) * 2*/ ) >> 1; + uvmv.d.y = (uvmv.d.y + 1 /* + (uvmv.d.y >> 31) * 2*/ ) >> 1; + + if (full_pixel) { uvmv.d.x &= ~7; uvmv.d.y &= ~7; } - chroma_mv[0].d.x = uvmv.d.x; chroma_mv[0].d.y = uvmv.d.y;//todo: set pointer or copy? - chroma_mv[1].d.x = uvmv.d.x; chroma_mv[1].d.y = uvmv.d.y; - chroma_mv[2].d.x = uvmv.d.x; chroma_mv[2].d.y = uvmv.d.y; - chroma_mv[3].d.x = uvmv.d.x; chroma_mv[3].d.y = uvmv.d.y; - } - else - { - chroma_mv[0] = calculate_chroma_splitmv(mbi, 0, full_pixel); - chroma_mv[1] = calculate_chroma_splitmv(mbi, 2, full_pixel); - chroma_mv[2] = calculate_chroma_splitmv(mbi, 8, full_pixel); + chroma_mv[0].d.x = uvmv.d.x; + chroma_mv[0].d.y = uvmv.d.y; //todo: set pointer or copy? + chroma_mv[1].d.x = uvmv.d.x; + chroma_mv[1].d.y = uvmv.d.y; + chroma_mv[2].d.x = uvmv.d.x; + chroma_mv[2].d.y = uvmv.d.y; + chroma_mv[3].d.x = uvmv.d.x; + chroma_mv[3].d.y = uvmv.d.y; + } else { + chroma_mv[0] = calculate_chroma_splitmv(mbi, 0, full_pixel); + chroma_mv[1] = calculate_chroma_splitmv(mbi, 2, full_pixel); + chroma_mv[2] = calculate_chroma_splitmv(mbi, 8, full_pixel); chroma_mv[3] = calculate_chroma_splitmv(mbi, 10, full_pixel); } /* Luma */ - for (b = 0; b < 16; b++) - { - var ymv;//='mv' + for (b = 0; b < 16; b++) { + var ymv; //='mv' if (mbi.base.y_mode != SPLITMV) ymv = mbi.base.mv; else - ymv = mbi.splitt.mvs[ + b]; + ymv = mbi.splitt.mvs[+b]; recon_1_edge_block(output, output_off, emul_block, emul_block_off, reference, reference_off, img.stride, - ymv, ctx.subpixel_filters, - coeffs, coeffs_off, mbi, x, y, w, h, b); + ymv, ctx.subpixel_filters, + coeffs, coeffs_off, mbi, x, y, w, h, b); x += 4; output_off += 4; reference_off += 4; - if ((b & 3) == 3) - { + if ((b & 3) == 3) { x -= 16; y += 4; output_off += 4 * img.stride - 16; @@ -6390,22 +6434,20 @@ predict_inter_emulated_edge(ctx, w >>= 1; h >>= 1; - for (b = 0; b < 4; b++) - { - recon_1_edge_block(u, u_off, emul_block, emul_block_off, reference, u_off + reference_offset,//u - img.uv_stride, - chroma_mv[b], ctx.subpixel_filters, - coeffs, coeffs_off, mbi, x, y, w, h, b + 16); - recon_1_edge_block(v, v_off, emul_block, emul_block_off, reference, v_off + reference_offset,//v - img.uv_stride, - chroma_mv[b], ctx.subpixel_filters, - coeffs, coeffs_off, mbi, x, y, w, h, b + 20); + for (b = 0; b < 4; b++) { + recon_1_edge_block(u, u_off, emul_block, emul_block_off, reference, u_off + reference_offset, //u + img.uv_stride, + chroma_mv[b], ctx.subpixel_filters, + coeffs, coeffs_off, mbi, x, y, w, h, b + 16); + recon_1_edge_block(v, v_off, emul_block, emul_block_off, reference, v_off + reference_offset, //v + img.uv_stride, + chroma_mv[b], ctx.subpixel_filters, + coeffs, coeffs_off, mbi, x, y, w, h, b + 20); u_off += 4; v_off += 4; x += 4; - if (b & 1) - { + if (b & 1) { x -= 8; y += 4; u_off += 4 * img.uv_stride - 8; @@ -6415,87 +6457,85 @@ predict_inter_emulated_edge(ctx, } -var uvmv_2=new mv(); +var uvmv_2 = new mv(); //1074 function predict_inter(ctx, - img, - coeffs, - coeffs_off, - mbi) -{ - var y = img.y; var y_off = img.y_off; - var u = img.u; var u_off = img.u_off; - var v = img.v; var v_off = img.v_off; - var reference; var reference_offset=ptrdiff_t; - var chroma_mv=Arr_new(4,mv); - var full_pixel = (ctx.frame_hdr.version == 3)+0; - var b=int_; - - if (mbi.base.y_mode != SPLITMV) - { - var uvmv=uvmv_2; - - uvmv.d.x = mbi.base.mv.d.x;uvmv.d.y = mbi.base.mv.d.y; - uvmv.d.x = (uvmv.d.x + 1/* + (uvmv.d.x >> 31) * 2*/) >> 1; - uvmv.d.y = (uvmv.d.y + 1/* + (uvmv.d.y >> 31) * 2*/) >> 1; - - if (full_pixel) - { + img, + coeffs, + coeffs_off, + mbi) { + var y = img.y; + var y_off = img.y_off; + var u = img.u; + var u_off = img.u_off; + var v = img.v; + var v_off = img.v_off; + var reference; + var reference_offset = ptrdiff_t; + var chroma_mv = Arr_new(4, mv); + var full_pixel = (ctx.frame_hdr.version == 3) + 0; + var b = int_; + + if (mbi.base.y_mode != SPLITMV) { + var uvmv = uvmv_2; + + uvmv.d.x = mbi.base.mv.d.x; + uvmv.d.y = mbi.base.mv.d.y; + uvmv.d.x = (uvmv.d.x + 1 /* + (uvmv.d.x >> 31) * 2*/ ) >> 1; + uvmv.d.y = (uvmv.d.y + 1 /* + (uvmv.d.y >> 31) * 2*/ ) >> 1; + + if (full_pixel) { uvmv.d.x &= ~7; uvmv.d.y &= ~7; } chroma_mv[0].d.x = chroma_mv[1].d.x = - chroma_mv[2].d.x = - chroma_mv[3].d.x = uvmv.d.x; + chroma_mv[2].d.x = + chroma_mv[3].d.x = uvmv.d.x; chroma_mv[0].d.y = chroma_mv[1].d.y = - chroma_mv[2].d.y = - chroma_mv[3].d.y = uvmv.d.y; - } - else - { - chroma_mv[0] = calculate_chroma_splitmv(mbi, 0, full_pixel); - chroma_mv[1] = calculate_chroma_splitmv(mbi, 2, full_pixel); - chroma_mv[2] = calculate_chroma_splitmv(mbi, 8, full_pixel); + chroma_mv[2].d.y = + chroma_mv[3].d.y = uvmv.d.y; + } else { + chroma_mv[0] = calculate_chroma_splitmv(mbi, 0, full_pixel); + chroma_mv[1] = calculate_chroma_splitmv(mbi, 2, full_pixel); + chroma_mv[2] = calculate_chroma_splitmv(mbi, 8, full_pixel); chroma_mv[3] = calculate_chroma_splitmv(mbi, 10, full_pixel); } - reference_offset = ctx.ref_frame_offsets[mbi.base.ref_frame];reference = ctx.ref_frame_offsets_[mbi.base.ref_frame]; + reference_offset = ctx.ref_frame_offsets[mbi.base.ref_frame]; + reference = ctx.ref_frame_offsets_[mbi.base.ref_frame]; - for (b = 0; b < 16; b++) - { - var ymv;//='mv' + for (b = 0; b < 16; b++) { + var ymv; //='mv' if (mbi.base.y_mode != SPLITMV) ymv = mbi.base.mv; else - ymv = mbi.splitt.mvs[ + b];//newObjectI() + ymv = mbi.splitt.mvs[+b]; //newObjectI() - recon_1_block(y, y_off, reference, y_off + reference_offset, img.stride,//y - ymv, ctx.subpixel_filters, coeffs, coeffs_off, mbi, b); + recon_1_block(y, y_off, reference, y_off + reference_offset, img.stride, //y + ymv, ctx.subpixel_filters, coeffs, coeffs_off, mbi, b); y_off += 4; if ((b & 3) == 3) y_off += 4 * img.stride - 16; } - for (b = 0; b < 4; b++) - { - recon_1_block(u, u_off, reference, u_off + reference_offset,//u - img.uv_stride, chroma_mv[b], - ctx.subpixel_filters, coeffs, coeffs_off, mbi, b + 16); - recon_1_block(v, v_off, reference, v_off + reference_offset,//v - img.uv_stride, chroma_mv[b], - ctx.subpixel_filters, coeffs, coeffs_off, mbi, b + 20); + for (b = 0; b < 4; b++) { + recon_1_block(u, u_off, reference, u_off + reference_offset, //u + img.uv_stride, chroma_mv[b], + ctx.subpixel_filters, coeffs, coeffs_off, mbi, b + 16); + recon_1_block(v, v_off, reference, v_off + reference_offset, //v + img.uv_stride, chroma_mv[b], + ctx.subpixel_filters, coeffs, coeffs_off, mbi, b + 20); u_off += 4; v_off += 4; - if (b & 1) - { + if (b & 1) { u_off += 4 * img.uv_stride - 8; v_off += 4 * img.uv_stride - 8; } @@ -6505,10 +6545,8 @@ predict_inter(ctx, //1155 function -vp8_dixie_release_ref_frame(rcimg) -{ - if (rcimg) - { +vp8_dixie_release_ref_frame(rcimg) { + if (rcimg) { assert(rcimg.ref_cnt); rcimg.ref_cnt--; } @@ -6516,21 +6554,18 @@ vp8_dixie_release_ref_frame(rcimg) function -vp8_dixie_ref_frame(rcimg) -{ +vp8_dixie_ref_frame(rcimg) { rcimg.ref_cnt++; return rcimg; } //1174 function -vp8_dixie_find_free_ref_frame(frames) -{ - var i=int_; +vp8_dixie_find_free_ref_frame(frames) { + var i = int_; for (i = 0; i < NUM_REF_FRAMES; i++) - if (frames[i].ref_cnt == 0) - { + if (frames[i].ref_cnt == 0) { frames[i].ref_cnt = 1; return frames[i]; } @@ -6543,40 +6578,36 @@ vp8_dixie_find_free_ref_frame(frames) //1191 function fixup_left(predict, - predict_off, - width, - stride, - row, - mode) -{ + predict_off, + width, + stride, + row, + mode) { /* The left column of out-of-frame pixels is taken to be 129, * unless we're doing DC_PRED, in which case we duplicate the * above row, unless this is also row 0, in which case we use * 129. */ - var left = predict; var left_off = predict_off - 1;//* - var i=int_; + var left = predict; + var left_off = predict_off - 1; //* + var i = int_; - if (mode == DC_PRED && row) - { - var above = predict; var above_off = predict_off - stride;//* + if (mode == DC_PRED && row) { + var above = predict; + var above_off = predict_off - stride; //* - for (i = 0; i < width; i++) - { - left[left_off] = above[above_off+ i];//* + for (i = 0; i < width; i++) { + left[left_off] = above[above_off + i]; //* left_off += stride; } - } - else - { + } else { /* Need to re-set the above row, in case the above MB was * DC_PRED. */ left_off -= stride; - for (i = -1; i < width; i++) - { - left[left_off] = 129;//* + for (i = -1; i < width; i++) { + left[left_off] = 129; //* left_off += stride; } } @@ -6586,34 +6617,32 @@ fixup_left(predict, //1232 function fixup_above(predict, - predict_off, - width, - stride, - col, - mode) -{ + predict_off, + width, + stride, + col, + mode) { /* The above row of out-of-frame pixels is taken to be 127, * unless we're doing DC_PRED, in which case we duplicate the * left col, unless this is also col 0, in which case we use * 127. */ - var above = predict; var above_off = predict_off - stride;//* - var i=int_; + var above = predict; + var above_off = predict_off - stride; //* + var i = int_; - if (mode == DC_PRED && col) - { - var left = predict; var left_off = predict_off - 1;//* + if (mode == DC_PRED && col) { + var left = predict; + var left_off = predict_off - 1; //* - for (i = 0; i < width; i++) - { - above[above_off+ i] = left[left_off];//* + for (i = 0; i < width; i++) { + above[above_off + i] = left[left_off]; //* left_off += stride; } - } - else - /* Need to re-set the left col, in case the last MB was - * DC_PRED. - */ + } else + /* Need to re-set the left col, in case the last MB was + * DC_PRED. + */ memset(above, above_off - 1, 127, width + 1); memset(above, above_off + width, 127, 4); // for above-right subblock modes @@ -6622,16 +6651,14 @@ fixup_above(predict, //1267 function -vp8_dixie_predict_init(ctx) -{ +vp8_dixie_predict_init(ctx) { - var i=int_; - var this_frame_base=char_;var this_frame_base_off=0;//* + var i = int_; + var this_frame_base = char_; + var this_frame_base_off = 0; //* - if (ctx.frame_hdr.frame_size_updated) - { - for (i = 0; i < NUM_REF_FRAMES; i++) - { + if (ctx.frame_hdr.frame_size_updated) { + for (i = 0; i < NUM_REF_FRAMES; i++) { var w = ctx.mb_cols * 16 + BORDER_PIXELS * 2; var h = ctx.mb_rows * 16 + BORDER_PIXELS * 2; @@ -6640,15 +6667,15 @@ vp8_dixie_predict_init(ctx) ctx.ref_frames[i] = null; if (!vpx_img_alloc(ctx.frame_strg[i].img, - IMG_FMT_I420, w, h, 16)) + IMG_FMT_I420, w, h, 16)) vpx_internal_error(ctx.error, VPX_CODEC_MEM_ERROR, - "Failed to allocate %dx%d"+ - " framebuffer", - w, h); + "Failed to allocate %dx%d" + + " framebuffer", + w, h); vpx_img_set_rect(ctx.frame_strg[i].img, - BORDER_PIXELS, BORDER_PIXELS, - ctx.frame_hdr.kf.w, ctx.frame_hdr.kf.h); + BORDER_PIXELS, BORDER_PIXELS, + ctx.frame_hdr.kf.w, ctx.frame_hdr.kf.h); } @@ -6667,83 +6694,79 @@ vp8_dixie_predict_init(ctx) this_frame_base = ctx.ref_frames[CURRENT_FRAME].img.img_data; /* Calculate offsets to the other reference frames */ - for (i = 0; i < NUM_REF_FRAMES; i++) - { + for (i = 0; i < NUM_REF_FRAMES; i++) { var ref = ctx.ref_frames[i]; ctx.ref_frame_offsets[i] = - ref ? ref.img.img_data_off - this_frame_base_off : 0;ctx.ref_frame_offsets_[i] = ref ? ref.img.img_data : this_frame_base; + ref ? ref.img.img_data_off - this_frame_base_off : 0; + ctx.ref_frame_offsets_[i] = ref ? ref.img.img_data : this_frame_base; } /* TODO: No need to do this on every frame... */ } -var img_1=new img_index(); +var img_1 = new img_index(); //1339 function vp8_dixie_predict_process_row(ctx, - row, - start_col, - num_cols) -{ - var img=img_1; - var mbi;var mbi_off=0;//*='(mb_info)' - var col=int_; - var coeffs=short_;var coeffs_off=0;//* + row, + start_col, + num_cols) { + var img = img_1; + var mbi; + var mbi_off = 0; //*='(mb_info)' + var col = int_; + var coeffs = short_; + var coeffs_off = 0; //* /* Adjust pointers based on row, start_col */ - img.stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; + img.stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_Y]; img.uv_stride = ctx.ref_frames[CURRENT_FRAME].img.stride[PLANE_U]; - img.y = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_Y]; + img.y = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_Y]; img.y_off = ctx.ref_frames[CURRENT_FRAME].img.planes_off[PLANE_Y]; - img.u = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_U]; + img.u = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_U]; img.u_off = ctx.ref_frames[CURRENT_FRAME].img.planes_off[PLANE_U]; - img.v = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_V]; + img.v = ctx.ref_frames[CURRENT_FRAME].img.planes[PLANE_V]; img.v_off = ctx.ref_frames[CURRENT_FRAME].img.planes_off[PLANE_V]; img.y_off += (img.stride * row + start_col) * 16; img.u_off += (img.uv_stride * row + start_col) * 8; img.v_off += (img.uv_stride * row + start_col) * 8; - mbi = ctx.mb_info_rows[1+ row]; mbi_off = ctx.mb_info_rows_off[1+ row] + start_col; + mbi = ctx.mb_info_rows[1 + row]; + mbi_off = ctx.mb_info_rows_off[1 + row] + start_col; coeffs = ctx.tokens[row & (ctx.token_hdr.partitions - 1)].coeffs; - coeffs_off = //todo: mit coeffs off? - + 25 * 16 * start_col; + coeffs_off = //todo: mit coeffs off? + +25 * 16 * start_col; /* Fix up the out-of-frame pixels */ - if (start_col == 0) - { + if (start_col == 0) { fixup_left(img.y, img.y_off, 16, img.stride, row, mbi[mbi_off].base.y_mode); fixup_left(img.u, img.u_off, 8, img.uv_stride, row, mbi[mbi_off].base.uv_mode); fixup_left(img.v, img.v_off, 8, img.uv_stride, row, mbi[mbi_off].base.uv_mode); if (row == 0) - (img.y[img.y_off - img.stride - 1]) = 127;//* + (img.y[img.y_off - img.stride - 1]) = 127; //* } - for (col = start_col; col < start_col + num_cols; col++) - { - if (row == 0) - { + for (col = start_col; col < start_col + num_cols; col++) { + if (row == 0) { fixup_above(img.y, img.y_off, 16, img.stride, col, mbi[mbi_off].base.y_mode); fixup_above(img.u, img.u_off, 8, img.uv_stride, col, - mbi[mbi_off].base.uv_mode); + mbi[mbi_off].base.uv_mode); fixup_above(img.v, img.v_off, 8, img.uv_stride, col, - mbi[mbi_off].base.uv_mode); + mbi[mbi_off].base.uv_mode); } - if (mbi[mbi_off].base.y_mode <= B_PRED) - { + if (mbi[mbi_off].base.y_mode <= B_PRED) { predict_intra_luma(img.y, img.y_off, img.stride, mbi[mbi_off], coeffs, coeffs_off); predict_intra_chroma(img.u, img.u_off, img.v, img.v_off, img.uv_stride, mbi[mbi_off], - coeffs, coeffs_off); - } - else - { + coeffs, coeffs_off); + } else { if (mbi[mbi_off].base.y_mode != SPLITMV) // && != BPRED fixup_dc_coeffs(mbi[mbi_off], coeffs, coeffs_off); if (mbi[mbi_off].base.need_mc_border) predict_inter_emulated_edge(ctx, img, coeffs, coeffs_off, mbi[mbi_off], col, - row); + row); else predict_inter(ctx, img, coeffs, coeffs_off, mbi[mbi_off]); } @@ -6756,14 +6779,14 @@ vp8_dixie_predict_process_row(ctx, coeffs_off += 25 * 16; } - if (col == ctx.mb_cols) - { + if (col == ctx.mb_cols) { /* Extend the last row by four pixels for intra prediction. * This will be propagated later by copy_down. */ - var extend = img.y; var extend_off = (img.y_off + 15 * img.stride);//(uint32_t *) - var val = img.y[img.y_off -1 + 15 * img.stride];//0x01010101 * - extend[extend_off] = extend[extend_off+1] = extend[extend_off+2] = extend[extend_off+3] = val; + var extend = img.y; + var extend_off = (img.y_off + 15 * img.stride); //(uint32_t *) + var val = img.y[img.y_off - 1 + 15 * img.stride]; //0x01010101 * + extend[extend_off] = extend[extend_off + 1] = extend[extend_off + 2] = extend[extend_off + 3] = val; } } @@ -6771,20 +6794,24 @@ vp8_dixie_predict_process_row(ctx, //22 var FRAME_HEADER_SZ = 3, - KEYFRAME_HEADER_SZ = 7 -; + KEYFRAME_HEADER_SZ = 7; //29 -function ARRAY_COPY(a,b) { - assert(a.length==b.length);memcpy(a, 0, b, 0, a.length);} +function ARRAY_COPY(a, b) { + assert(a.length == b.length); + memcpy(a, 0, b, 0, a.length); +} //31 function decode_entropy_header(ctx, - bool, - hdr) -{ - var i=int_, j=int_, k=int_, l=int_; var ii=0; + bool, + hdr) { + var i = int_, + j = int_, + k = int_, + l = int_; + var ii = 0; /* Read coefficient probability updates */ for (i = 0; i < BLOCK_TYPES; i++) @@ -6792,12 +6819,11 @@ decode_entropy_header(ctx, for (k = 0; k < PREV_COEF_CONTEXTS; k++) for (l = 0; l < ENTROPY_NODES; l++) { if (bool_get(bool, - k_coeff_entropy_update_probs - [i][j][k][l])) + k_coeff_entropy_update_probs[i][j][k][l])) hdr.coeff_probs_[ii] = hdr.coeff_probs[i][j][k][l] = - bool_get_uint(bool, 8); - ii++; - } + bool_get_uint(bool, 8); + ii++; + } /* Read coefficient skip mode probability */ hdr.coeff_skip_enabled = bool_get_bit(bool); @@ -6806,11 +6832,10 @@ decode_entropy_header(ctx, hdr.coeff_skip_prob = bool_get_uint(bool, 8); /* Parse interframe probability updates */ - if (!ctx.frame_hdr.is_keyframe) - { + if (!ctx.frame_hdr.is_keyframe) { hdr.prob_inter = bool_get_uint(bool, 8); - hdr.prob_last = bool_get_uint(bool, 8); - hdr.prob_gf = bool_get_uint(bool, 8); + hdr.prob_last = bool_get_uint(bool, 8); + hdr.prob_gf = bool_get_uint(bool, 8); if (bool_get_bit(bool)) for (i = 0; i < 4; i++) @@ -6822,8 +6847,7 @@ decode_entropy_header(ctx, for (i = 0; i < 2; i++) for (j = 0; j < MV_PROB_CNT; j++) - if (bool_get(bool, k_mv_entropy_update_probs[i][j])) - { + if (bool_get(bool, k_mv_entropy_update_probs[i][j])) { var x = bool_get_uint(bool, 7); hdr.mv_probs[i][j] = x ? x << 1 : 1; } @@ -6834,35 +6858,31 @@ decode_entropy_header(ctx, //81 function decode_reference_header(ctx, - bool, - hdr) -{ + bool, + hdr) { var key = ctx.frame_hdr.is_keyframe; - hdr.refresh_gf = key ? 1 : bool_get_bit(bool); - hdr.refresh_arf = key ? 1 : bool_get_bit(bool); - hdr.copy_gf = key ? 0 : !hdr.refresh_gf - ? bool_get_uint(bool, 2) : 0; - hdr.copy_arf = key ? 0 : !hdr.refresh_arf - ? bool_get_uint(bool, 2) : 0; + hdr.refresh_gf = key ? 1 : bool_get_bit(bool); + hdr.refresh_arf = key ? 1 : bool_get_bit(bool); + hdr.copy_gf = key ? 0 : !hdr.refresh_gf ? bool_get_uint(bool, 2) : 0; + hdr.copy_arf = key ? 0 : !hdr.refresh_arf ? bool_get_uint(bool, 2) : 0; hdr.sign_bias[GOLDEN_FRAME] = key ? 0 : bool_get_bit(bool); hdr.sign_bias[ALTREF_FRAME] = key ? 0 : bool_get_bit(bool); hdr.refresh_entropy = bool_get_bit(bool); - hdr.refresh_last = key ? 1 : bool_get_bit(bool); + hdr.refresh_last = key ? 1 : bool_get_bit(bool); } //101 function decode_quantizer_header(ctx, - bool, - hdr) -{ - var update=int_; + bool, + hdr) { + var update = int_; var last_q = hdr.q_index; hdr.q_index = bool_get_uint(bool, 7); - update = (last_q != hdr.q_index)+0; + update = (last_q != hdr.q_index) + 0; update |= (hdr.y1_dc_delta_q = bool_maybe_get_int(bool, 4)); update |= (hdr.y2_dc_delta_q = bool_maybe_get_int(bool, 4)); update |= (hdr.y2_ac_delta_q = bool_maybe_get_int(bool, 4)); @@ -6875,46 +6895,40 @@ decode_quantizer_header(ctx, //120 function decode_and_init_token_partitions(ctx, - bool, - data, - data_off, - sz, - hdr) -{ - var i=int_; + bool, + data, + data_off, + sz, + hdr) { + var i = int_; hdr.partitions = 1 << bool_get_uint(bool, 2); - if (sz < 3 *(hdr.partitions - 1)) + if (sz < 3 * (hdr.partitions - 1)) vpx_internal_error(ctx.error, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet found parsing partition" + - " lengths."); + "Truncated packet found parsing partition" + + " lengths."); sz -= 3 * (hdr.partitions - 1); - for (i = 0; i < hdr.partitions; i++) - { - if (i < hdr.partitions - 1) - { - hdr.partition_sz[i] = (data[data_off+2] << 16) - | (data[data_off+1] << 8) | data[data_off+0]; + for (i = 0; i < hdr.partitions; i++) { + if (i < hdr.partitions - 1) { + hdr.partition_sz[i] = (data[data_off + 2] << 16) | (data[data_off + 1] << 8) | data[data_off + 0]; data_off += 3; - } - else + } else hdr.partition_sz[i] = sz; if (sz < hdr.partition_sz[i]) vpx_internal_error(ctx.error, VPX_CODEC_CORRUPT_FRAME, - "Truncated partition %d", i); + "Truncated partition %d", i); sz -= hdr.partition_sz[i]; } - for (i = 0; i < ctx.token_hdr.partitions; i++) - { + for (i = 0; i < ctx.token_hdr.partitions; i++) { init_bool_decoder(ctx.tokens[i].bool, data, data_off, - ctx.token_hdr.partition_sz[i]); + ctx.token_hdr.partition_sz[i]); data_off += ctx.token_hdr.partition_sz[i]; } } @@ -6923,20 +6937,18 @@ decode_and_init_token_partitions(ctx, //166 function decode_loopfilter_header(ctx, - bool, - hdr) -{ + bool, + hdr) { if (ctx.frame_hdr.is_keyframe) - memset(hdr, 0, 1/*sizeof(hdr)*/);//todo + memset(hdr, 0, 1 /*sizeof(hdr)*/ ); //todo - hdr.use_simple = bool_get_bit(bool); - hdr.level = bool_get_uint(bool, 6); - hdr.sharpness = bool_get_uint(bool, 3); + hdr.use_simple = bool_get_bit(bool); + hdr.level = bool_get_uint(bool, 6); + hdr.sharpness = bool_get_uint(bool, 3); hdr.delta_enabled = bool_get_bit(bool); - if (hdr.delta_enabled && bool_get_bit(bool)) - { - var i=int_; + if (hdr.delta_enabled && bool_get_bit(bool)) { + var i = int_; for (i = 0; i < BLOCK_CONTEXTS; i++) hdr.ref_delta[i] = bool_maybe_get_int(bool, 6); @@ -6950,23 +6962,20 @@ decode_loopfilter_header(ctx, //192 function decode_segmentation_header(ctx, - bool, - hdr) -{ + bool, + hdr) { if (ctx.frame_hdr.is_keyframe) - memset(hdr, 0, 1/*sizeof(hdr)*/);//todo: + memset(hdr, 0, 1 /*sizeof(hdr)*/ ); //todo: hdr.enabled = bool_get_bit(bool); - if (hdr.enabled) - { - var i=int_; + if (hdr.enabled) { + var i = int_; hdr.update_map = bool_get_bit(bool); hdr.update_data = bool_get_bit(bool); - if (hdr.update_data) - { + if (hdr.update_data) { hdr.abs_ = bool_get_bit(bool); for (i = 0; i < MAX_MB_SEGMENTS; i++) @@ -6976,16 +6985,11 @@ decode_segmentation_header(ctx, hdr.lf_level[i] = bool_maybe_get_int(bool, 6); } - if (hdr.update_map) - { + if (hdr.update_map) { for (i = 0; i < MB_FEATURE_TREE_PROBS; i++) - hdr.tree_probs[i] = bool_get_bit(bool) - ? bool_get_uint(bool, 8) - : 255; + hdr.tree_probs[i] = bool_get_bit(bool) ? bool_get_uint(bool, 8) : 255; } - } - else - { + } else { hdr.update_map = 0; hdr.update_data = 0; } @@ -6994,8 +6998,7 @@ decode_segmentation_header(ctx, //246 function -clamp_q(q) -{ +clamp_q(q) { if (q < 0) return 0; else if (q > 127) return 127; @@ -7005,16 +7008,14 @@ clamp_q(q) //256 function -dc_q(q) -{ +dc_q(q) { return dc_q_lookup[clamp_q(q)]; } //263 function -ac_q(q) -{ +ac_q(q) { return ac_q_lookup[clamp_q(q)]; } @@ -7022,21 +7023,20 @@ ac_q(q) //270 function dequant_init(factors, - seg, - quant_hdr) -{ - var i=int_, q=int_; - var dqf = factors; var dqf_off = 0; - - for (i = 0; i < (seg.enabled ? MAX_MB_SEGMENTS : 1); i++) - { + seg, + quant_hdr) { + var i = int_, + q = int_; + var dqf = factors; + var dqf_off = 0; + + for (i = 0; i < (seg.enabled ? MAX_MB_SEGMENTS : 1); i++) { q = quant_hdr.q_index; if (seg.enabled) q = (!seg.abs_) ? q + seg.quant_idx[i] : seg.quant_idx[i]; - if (dqf[dqf_off].quant_idx != q || quant_hdr.delta_update) - { + if (dqf[dqf_off].quant_idx != q || quant_hdr.delta_update) { dqf[dqf_off].factor[TOKEN_BLOCK_Y1][0] = dc_q(q + quant_hdr.y1_dc_delta_q); dqf[dqf_off].factor[TOKEN_BLOCK_Y1][1] = @@ -7063,37 +7063,37 @@ dequant_init(factors, } } -var bool_1=new bool_decoder(); +var bool_1 = new bool_decoder(); //314 function decode_frame(ctx, - data, - data_off, - sz) -{ - var res;//='vpx_codec_err_t' - var bool=bool_1; - var i=int_, row=int_, partition=int_; + data, + data_off, + sz) { + var res; //='vpx_codec_err_t' + var bool = bool_1; + var i = int_, + row = int_, + partition = int_; ctx.saved_entropy_valid = 0; if ((res = vp8_parse_frame_header(data, sz, ctx.frame_hdr))) vpx_internal_error(ctx.error, res, - "Failed to parse frame header"); + "Failed to parse frame header"); if (ctx.frame_hdr.is_experimental) vpx_internal_error(ctx.error, VPX_CODEC_UNSUP_BITSTREAM, - "Experimental bitstreams not supported."); + "Experimental bitstreams not supported."); data_off += FRAME_HEADER_SZ; sz -= FRAME_HEADER_SZ; - if (ctx.frame_hdr.is_keyframe) - { + if (ctx.frame_hdr.is_keyframe) { data_off += KEYFRAME_HEADER_SZ; sz -= KEYFRAME_HEADER_SZ; - ctx.mb_cols = parseInt((ctx.frame_hdr.kf.w + 15) / 16,10); - ctx.mb_rows = parseInt((ctx.frame_hdr.kf.h + 15) / 16,10); + ctx.mb_cols = parseInt((ctx.frame_hdr.kf.w + 15) / 16, 10); + ctx.mb_rows = parseInt((ctx.frame_hdr.kf.h + 15) / 16, 10); } /* Start the bitreader for the header/entropy partition */ @@ -7103,70 +7103,73 @@ decode_frame(ctx, if (ctx.frame_hdr.is_keyframe) if (bool_get_uint(bool, 2)) vpx_internal_error(ctx.error, VPX_CODEC_UNSUP_BITSTREAM, - "Reserved bits not supported."); + "Reserved bits not supported."); decode_segmentation_header(ctx, bool, ctx.segment_hdr); decode_loopfilter_header(ctx, bool, ctx.loopfilter_hdr); decode_and_init_token_partitions(ctx, - bool, - data, data_off + ctx.frame_hdr.part0_sz, - sz - ctx.frame_hdr.part0_sz, - ctx.token_hdr); + bool, + data, data_off + ctx.frame_hdr.part0_sz, + sz - ctx.frame_hdr.part0_sz, + ctx.token_hdr); decode_quantizer_header(ctx, bool, ctx.quant_hdr); decode_reference_header(ctx, bool, ctx.reference_hdr); /* Set keyframe entropy defaults. These get updated on keyframes * regardless of the refresh_entropy setting. */ - if (ctx.frame_hdr.is_keyframe) - { - var i=int_, j=int_, k=int_, l=int_; var ii=0; - - /* Read coefficient probability updates */ - for (i = 0; i < BLOCK_TYPES; i++) - for (j = 0; j < COEF_BANDS; j++) - for (k = 0; k < PREV_COEF_CONTEXTS; k++) - for (l = 0; l < ENTROPY_NODES; l++) { - ctx.entropy_hdr.coeff_probs_[ii]=ctx.entropy_hdr.coeff_probs[i][j][k][l]=k_default_coeff_probs[i][j][k][l]; - ii++; - } - //=newObjectI(// ARRAY_COPY(ctx.entropy_hdr.coeff_probs, - // k_default_coeff_probs);//k_default_coeff_probs); - ctx.entropy_hdr.mv_probs=new //ARRAY_COPY( - k_default_mv_probs(); + if (ctx.frame_hdr.is_keyframe) { + var i = int_, + j = int_, + k = int_, + l = int_; + var ii = 0; + + /* Read coefficient probability updates */ + for (i = 0; i < BLOCK_TYPES; i++) + for (j = 0; j < COEF_BANDS; j++) + for (k = 0; k < PREV_COEF_CONTEXTS; k++) + for (l = 0; l < ENTROPY_NODES; l++) { + ctx.entropy_hdr.coeff_probs_[ii] = ctx.entropy_hdr.coeff_probs[i][j][k][l] = k_default_coeff_probs[i][j][k][l]; + ii++; + } + //=newObjectI(// ARRAY_COPY(ctx.entropy_hdr.coeff_probs, + // k_default_coeff_probs);//k_default_coeff_probs); + ctx.entropy_hdr.mv_probs = new //ARRAY_COPY( + k_default_mv_probs(); ARRAY_COPY(ctx.entropy_hdr.y_mode_probs, - k_default_y_mode_probs); + k_default_y_mode_probs); ARRAY_COPY(ctx.entropy_hdr.uv_mode_probs, - k_default_uv_mode_probs); + k_default_uv_mode_probs); } - if (!ctx.reference_hdr.refresh_entropy) - { + if (!ctx.reference_hdr.refresh_entropy) { //ctx.saved_entropy = newObjectI(ctx.entropy_hdr); - var to = ctx.saved_entropy, from = ctx.entropy_hdr; - var ii=0; - for (i = 0; i < BLOCK_TYPES; i++) - for (j = 0; j < COEF_BANDS; j++) - for (k = 0; k < PREV_COEF_CONTEXTS; k++) - for (l = 0; l < ENTROPY_NODES; l++) { - to.coeff_probs_[ii]=to.coeff_probs[i][j][k][l]=from.coeff_probs[i][j][k][l]; - ii++; - } - //for(i=0;i<1056;++i) - //to.coeff_probs_[i] = from.coeff_probs_[i]; - to.coeff_skip_enabled = from.coeff_skip_enabled; - to.coeff_skip_prob = from.coeff_skip_prob; - for(i=0;i<2;++i) - for(j=0;j<19;++j) - to.mv_probs[i][j] = from.mv_probs[i][j]; - to.prob_gf = from.prob_gf; - to.prob_inter = from.prob_inter; - to.prob_last = from.prob_last; - for(i=0;i<3;++i) - to.uv_mode_probs[i] = from.uv_mode_probs[i]; - for(i=0;i<4;++i) - to.y_mode_probs[i] = from.y_mode_probs[i]; - + var to = ctx.saved_entropy, + from = ctx.entropy_hdr; + var ii = 0; + for (i = 0; i < BLOCK_TYPES; i++) + for (j = 0; j < COEF_BANDS; j++) + for (k = 0; k < PREV_COEF_CONTEXTS; k++) + for (l = 0; l < ENTROPY_NODES; l++) { + to.coeff_probs_[ii] = to.coeff_probs[i][j][k][l] = from.coeff_probs[i][j][k][l]; + ii++; + } + //for(i=0;i<1056;++i) + //to.coeff_probs_[i] = from.coeff_probs_[i]; + to.coeff_skip_enabled = from.coeff_skip_enabled; + to.coeff_skip_prob = from.coeff_skip_prob; + for (i = 0; i < 2; ++i) + for (j = 0; j < 19; ++j) + to.mv_probs[i][j] = from.mv_probs[i][j]; + to.prob_gf = from.prob_gf; + to.prob_inter = from.prob_inter; + to.prob_last = from.prob_last; + for (i = 0; i < 3; ++i) + to.uv_mode_probs[i] = from.uv_mode_probs[i]; + for (i = 0; i < 4; ++i) + to.y_mode_probs[i] = from.y_mode_probs[i]; + ctx.saved_entropy_valid = 1; } @@ -7176,101 +7179,91 @@ decode_frame(ctx, vp8_dixie_tokens_init(ctx); vp8_dixie_predict_init(ctx); dequant_init(ctx.dequant_factors, ctx.segment_hdr, - ctx.quant_hdr); + ctx.quant_hdr); - for (row = 0, partition = 0; row < ctx.mb_rows; row++) - { + for (row = 0, partition = 0; row < ctx.mb_rows; row++) { vp8_dixie_modemv_process_row(ctx, bool, row, 0, ctx.mb_cols); vp8_dixie_tokens_process_row(ctx, partition, row, 0, - ctx.mb_cols); + ctx.mb_cols); vp8_dixie_predict_process_row(ctx, row, 0, ctx.mb_cols); -// if (ctx.loopfilter_hdr.level && row) -// vp8_dixie_loopfilter_process_row(ctx, row - 1, 0, -// ctx.mb_cols); + // if (ctx.loopfilter_hdr.level && row) + // vp8_dixie_loopfilter_process_row(ctx, row - 1, 0, + // ctx.mb_cols); if (++partition == ctx.token_hdr.partitions) partition = 0; } -// if (ctx.loopfilter_hdr.level) -// vp8_dixie_loopfilter_process_row(ctx, row - 1, 0, ctx.mb_cols); + // if (ctx.loopfilter_hdr.level) + // vp8_dixie_loopfilter_process_row(ctx, row - 1, 0, ctx.mb_cols); ctx.frame_cnt++; - if (!ctx.reference_hdr.refresh_entropy) - { + if (!ctx.reference_hdr.refresh_entropy) { //ctx.entropy_hdr = ctx.saved_entropy; - var to = ctx.entropy_hdr, from = ctx.saved_entropy; - var ii=0; - for (i = 0; i < BLOCK_TYPES; i++) - for (j = 0; j < COEF_BANDS; j++) - for (k = 0; k < PREV_COEF_CONTEXTS; k++) - for (l = 0; l < ENTROPY_NODES; l++) { - to.coeff_probs_[ii]=to.coeff_probs[i][j][k][l]=from.coeff_probs[i][j][k][l]=from.coeff_probs_[ii]; - ii++; - } - //for(i=0;i<1056;++i) - //to.coeff_probs_[i] = from.coeff_probs_[i]; - to.coeff_skip_enabled = from.coeff_skip_enabled; - to.coeff_skip_prob = from.coeff_skip_prob; - for(i=0;i<2;++i) - for(j=0;j<19;++j) - to.mv_probs[i][j] = from.mv_probs[i][j]; - to.prob_gf = from.prob_gf; - to.prob_inter = from.prob_inter; - to.prob_last = from.prob_last; - for(i=0;i<3;++i) - to.uv_mode_probs[i] = from.uv_mode_probs[i]; - for(i=0;i<4;++i) - to.y_mode_probs[i] = from.y_mode_probs[i]; - + var to = ctx.entropy_hdr, + from = ctx.saved_entropy; + var ii = 0; + for (i = 0; i < BLOCK_TYPES; i++) + for (j = 0; j < COEF_BANDS; j++) + for (k = 0; k < PREV_COEF_CONTEXTS; k++) + for (l = 0; l < ENTROPY_NODES; l++) { + to.coeff_probs_[ii] = to.coeff_probs[i][j][k][l] = from.coeff_probs[i][j][k][l] = from.coeff_probs_[ii]; + ii++; + } + //for(i=0;i<1056;++i) + //to.coeff_probs_[i] = from.coeff_probs_[i]; + to.coeff_skip_enabled = from.coeff_skip_enabled; + to.coeff_skip_prob = from.coeff_skip_prob; + for (i = 0; i < 2; ++i) + for (j = 0; j < 19; ++j) + to.mv_probs[i][j] = from.mv_probs[i][j]; + to.prob_gf = from.prob_gf; + to.prob_inter = from.prob_inter; + to.prob_last = from.prob_last; + for (i = 0; i < 3; ++i) + to.uv_mode_probs[i] = from.uv_mode_probs[i]; + for (i = 0; i < 4; ++i) + to.y_mode_probs[i] = from.y_mode_probs[i]; + ctx.saved_entropy_valid = 0; } /* Handle reference frame updates */ - if (ctx.reference_hdr.copy_arf == 1) - { + if (ctx.reference_hdr.copy_arf == 1) { vp8_dixie_release_ref_frame(ctx.ref_frames[ALTREF_FRAME]); ctx.ref_frames[ALTREF_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[LAST_FRAME]); - } - else if (ctx.reference_hdr.copy_arf == 2) - { + } else if (ctx.reference_hdr.copy_arf == 2) { vp8_dixie_release_ref_frame(ctx.ref_frames[ALTREF_FRAME]); ctx.ref_frames[ALTREF_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[GOLDEN_FRAME]); } - if (ctx.reference_hdr.copy_gf == 1) - { + if (ctx.reference_hdr.copy_gf == 1) { vp8_dixie_release_ref_frame(ctx.ref_frames[GOLDEN_FRAME]); ctx.ref_frames[GOLDEN_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[LAST_FRAME]); - } - else if (ctx.reference_hdr.copy_gf == 2) - { + } else if (ctx.reference_hdr.copy_gf == 2) { vp8_dixie_release_ref_frame(ctx.ref_frames[GOLDEN_FRAME]); ctx.ref_frames[GOLDEN_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[ALTREF_FRAME]); } - if (ctx.reference_hdr.refresh_gf) - { + if (ctx.reference_hdr.refresh_gf) { vp8_dixie_release_ref_frame(ctx.ref_frames[GOLDEN_FRAME]); ctx.ref_frames[GOLDEN_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[CURRENT_FRAME]); } - if (ctx.reference_hdr.refresh_arf) - { + if (ctx.reference_hdr.refresh_arf) { vp8_dixie_release_ref_frame(ctx.ref_frames[ALTREF_FRAME]); ctx.ref_frames[ALTREF_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[CURRENT_FRAME]); } - if (ctx.reference_hdr.refresh_last) - { + if (ctx.reference_hdr.refresh_last) { vp8_dixie_release_ref_frame(ctx.ref_frames[LAST_FRAME]); ctx.ref_frames[LAST_FRAME] = vp8_dixie_ref_frame(ctx.ref_frames[CURRENT_FRAME]); @@ -7280,20 +7273,20 @@ decode_frame(ctx, //476 -function CHECK_FOR_UPDATE(lval,rval,update_flag) {do { +function CHECK_FOR_UPDATE(lval, rval, update_flag) { + do { var old = lval; update_flag[0] |= (old != (lval = rval)); - } while(0) - return lval; + } while (0) + return lval; } //481 function vp8_parse_frame_header(data, - sz, - hdr) -{ - var raw=long_; + sz, + hdr) { + var raw = long_; if (sz < 10) return VPX_CODEC_CORRUPT_FRAME; @@ -7302,19 +7295,18 @@ vp8_parse_frame_header(data, * value */ raw = data[0] | (data[1] << 8) | (data[2] << 16); - hdr.is_keyframe = !BITS_GET(raw, 0, 1); - hdr.version = BITS_GET(raw, 1, 2); + hdr.is_keyframe = !BITS_GET(raw, 0, 1); + hdr.version = BITS_GET(raw, 1, 2); hdr.is_experimental = BITS_GET(raw, 3, 1); - hdr.is_shown = BITS_GET(raw, 4, 1); - hdr.part0_sz = BITS_GET(raw, 5, 19); + hdr.is_shown = BITS_GET(raw, 4, 1); + hdr.part0_sz = BITS_GET(raw, 5, 19); if (sz <= hdr.part0_sz + (hdr.is_keyframe ? 10 : 3)) return VPX_CODEC_CORRUPT_FRAME; hdr.frame_size_updated = 0; - if (hdr.is_keyframe) - { + if (hdr.is_keyframe) { var update = [0]; /* Keyframe header consists of a three byte sync code followed @@ -7323,16 +7315,15 @@ vp8_parse_frame_header(data, if (data[3] != 0x9d || data[4] != 0x01 || data[5] != 0x2a) return VPX_CODEC_UNSUP_BITSTREAM; - raw = data[6] | (data[7] << 8) - | (data[8] << 16) | (data[9] << 24); - hdr.kf.w = CHECK_FOR_UPDATE(hdr.kf.w, BITS_GET(raw, 0, 14), - update); - hdr.kf.scale_w = CHECK_FOR_UPDATE(hdr.kf.scale_w, BITS_GET(raw, 14, 2), - update); - hdr.kf.h = CHECK_FOR_UPDATE(hdr.kf.h, BITS_GET(raw, 16, 14), - update); - hdr.kf.scale_h = CHECK_FOR_UPDATE(hdr.kf.scale_h, BITS_GET(raw, 30, 2), - update); + raw = data[6] | (data[7] << 8) | (data[8] << 16) | (data[9] << 24); + hdr.kf.w = CHECK_FOR_UPDATE(hdr.kf.w, BITS_GET(raw, 0, 14), + update); + hdr.kf.scale_w = CHECK_FOR_UPDATE(hdr.kf.scale_w, BITS_GET(raw, 14, 2), + update); + hdr.kf.h = CHECK_FOR_UPDATE(hdr.kf.h, BITS_GET(raw, 16, 14), + update); + hdr.kf.scale_h = CHECK_FOR_UPDATE(hdr.kf.scale_h, BITS_GET(raw, 30, 2), + update); hdr.frame_size_updated = update[0]; @@ -7347,9 +7338,8 @@ vp8_parse_frame_header(data, //537 function vp8_dixie_decode_frame(ctx, - data, - sz) -{ + data, + sz) { var ctx_ = ctx; ctx.error.error_code = VPX_CODEC_OK; @@ -7364,8 +7354,7 @@ vp8_dixie_decode_frame(ctx, //554 function -vp8_dixie_decode_destroy(ctx) -{ +vp8_dixie_decode_destroy(ctx) { vp8_dixie_predict_destroy(ctx); vp8_dixie_tokens_destroy(ctx); vp8_dixie_modemv_destroy(ctx); @@ -7374,35 +7363,30 @@ vp8_dixie_decode_destroy(ctx) //var vpx_codec_stream_info_t = vp8_stream_info_t; -var vpx_codec_alg_priv = function() -{ +var vpx_codec_alg_priv = function() { //base=new vpx_codec_priv_t(), //cfg=newObjectI(vpx_codec_dec_cfg_t), //si=newObjectI(vp8_stream_info_t), - decoder_ctx=new vp8_decoder_ctx(), - img=new vpx_image_t(), - img_avail=int_ + decoder_ctx = new vp8_decoder_ctx(), + img = new vpx_image_t(), + img_avail = int_ }; function update_error_state(ctx, - error) -{ - var res;//='vpx_codec_err_t' + error) { + var res; //='vpx_codec_err_t' if ((res = error.error_code)) - ctx.base.err_detail = error.has_detail - ? error.detail - : null; + ctx.base.err_detail = error.has_detail ? error.detail : null; return res; } -function vp8_init(ctx) -{ - var res = VPX_CODEC_OK; +function vp8_init(ctx) { + var res = VPX_CODEC_OK; /* This function only allocates space for the vpx_codec_alg_priv_t * structure. More memory may be required at the time the stream @@ -7411,20 +7395,19 @@ function vp8_init(ctx) if (!ctx.priv) { - var priv = new vpx_codec_alg_priv_t();//vpx_calloc(1, sizeof(vpx_codec_alg_priv_t)); + var priv = new vpx_codec_alg_priv_t(); //vpx_calloc(1, sizeof(vpx_codec_alg_priv_t)); ctx.priv = priv; if (!ctx.priv) return VPX_CODEC_MEM_ERROR; - ctx.priv.sz = 1/*sizeof(vpx_codec_alg_priv_t)*/; + ctx.priv.sz = 1 /*sizeof(vpx_codec_alg_priv_t)*/ ; ctx.priv.iface = ctx.iface; ctx.priv.alg_priv = priv; ctx.priv.init_flags = ctx.init_flags; - if (ctx.config.dec) - { + if (ctx.config.dec) { /* Update the reference to the config structure to our copy. */ ctx.priv.alg_priv.cfg = ctx.config.dec; ctx.config.dec = ctx.priv.alg_priv.cfg; @@ -7435,33 +7418,27 @@ function vp8_init(ctx) } -function vp8_destroy(ctx) -{ +function vp8_destroy(ctx) { vp8_dixie_decode_destroy(ctx.decoder_ctx); - ctx.base.alg_priv='';//vpx_free(ctx.base.alg_priv); + ctx.base.alg_priv = ''; //vpx_free(ctx.base.alg_priv); return VPX_CODEC_OK; } function vp8_peek_si(data, - data_sz, - si) -{ - var hdr=new vp8_frame_hdr(); + data_sz, + si) { + var hdr = new vp8_frame_hdr(); var res = VPX_CODEC_OK; - if (!(res = vp8_parse_frame_header(data, data_sz, hdr))) - { + if (!(res = vp8_parse_frame_header(data, data_sz, hdr))) { si.is_kf = hdr.is_keyframe; - if (si.is_kf) - { + if (si.is_kf) { si.w = hdr.kf.w; si.h = hdr.kf.h; - } - else - { + } else { si.w = 0; si.h = 0; } @@ -7473,17 +7450,17 @@ function vp8_peek_si(data, function vp8_get_si(ctx, - si) -{ + si) { - var sz=int_; + var sz = int_; - if (si.sz >= 1/*sizeof(vp8_stream_info_t)*/) - sz = 1/*sizeof(vp8_stream_info_t)*/; + if (si.sz >= 1 /*sizeof(vp8_stream_info_t)*/ ) + sz = 1 /*sizeof(vp8_stream_info_t)*/ ; else - sz = 1/*sizeof(vpx_codec_stream_info_t)*/; + sz = 1 /*sizeof(vpx_codec_stream_info_t)*/ ; - memcpy(si, ctx.si, sz);alert('todo'); + memcpy(si, ctx.si, sz); + alert('todo'); si.sz = sz; return VPX_CODEC_OK; @@ -7491,15 +7468,14 @@ function vp8_get_si(ctx, function vp8_decode(ctx, - data, - data_sz, - user_priv, - deadline) -{ + data, + data_sz, + user_priv, + deadline) { var res = VPX_CODEC_OK; res = vp8_dixie_decode_frame(ctx.decoder_ctx, data, data_sz); - if(res) + if (res) update_error_state(ctx, ctx.decoder_ctx.error); ctx.img_avail = ctx.decoder_ctx.frame_hdr.is_shown; @@ -7509,17 +7485,14 @@ function vp8_decode(ctx, function vp8_get_frame(ctx, - iter) -{ + iter) { var img = null; - if (ctx.img_avail) - { + if (ctx.img_avail) { /* iter acts as a flip flop, so an image is only returned on the first * call to get_frame. */ - if (!(iter[0])) - { + if (!(iter[0])) { img = ctx.img; iter[0] = img; } @@ -7529,102 +7502,100 @@ function vp8_get_frame(ctx, } -var ctf_maps = create_obj_vals_from_arrayChilds(vpx_codec_ctrl_fn_map_t, -[ - [ -1, null] -] -); +var ctf_maps = create_obj_vals_from_arrayChilds(vpx_codec_ctrl_fn_map_t, [ + [-1, null] +]); //#ifndef VERSION_STRING //#define VERSION_STRING //#endif CODEC_INTERFACE('vpx_codec_vp8_dx', -//vpx_codec_iface_t vpx_codec_vp8_dx_algo = -new Array( - "VP8 \"Dixie\" Decoder" + VERSION_STRING, - VPX_CODEC_INTERNAL_ABI_VERSION, - VPX_CODEC_CAP_DECODER, - /* vpx_codec_caps_t caps; */ - 'vp8_init', /* vpx_codec_init_fn_t init; */ - 'vp8_destroy', /* vpx_codec_destroy_fn_t destroy; */ - 'ctf_maps', /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ - null, /* vpx_codec_get_mmap_fn_t get_mmap; */ - null, /* vpx_codec_set_mmap_fn_t set_mmap; */ + //vpx_codec_iface_t vpx_codec_vp8_dx_algo = new Array( - 'vp8_peek_si', /* vpx_codec_peek_si_fn_t peek_si; */ - 'vp8_get_si', /* vpx_codec_get_si_fn_t get_si; */ - 'vp8_decode', /* vpx_codec_decode_fn_t decode; */ - 'vp8_get_frame' /* vpx_codec_frame_get_fn_t frame_get; */ - )//, - //{NOT_IMPLEMENTED} /* encoder functions */ -) + "VP8 \"Dixie\" Decoder" + VERSION_STRING, + VPX_CODEC_INTERNAL_ABI_VERSION, + VPX_CODEC_CAP_DECODER, + /* vpx_codec_caps_t caps; */ + 'vp8_init', /* vpx_codec_init_fn_t init; */ + 'vp8_destroy', /* vpx_codec_destroy_fn_t destroy; */ + 'ctf_maps', /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ + null, /* vpx_codec_get_mmap_fn_t get_mmap; */ + null, /* vpx_codec_set_mmap_fn_t set_mmap; */ + new Array( + 'vp8_peek_si', /* vpx_codec_peek_si_fn_t peek_si; */ + 'vp8_get_si', /* vpx_codec_get_si_fn_t get_si; */ + 'vp8_decode', /* vpx_codec_decode_fn_t decode; */ + 'vp8_get_frame' /* vpx_codec_frame_get_fn_t frame_get; */ + ) //, + //{NOT_IMPLEMENTED} /* encoder functions */ + ) ); function webmdata(response) { - //alert(response); - main(response);//convertBinaryToArray() + //alert(response); + main(response); //convertBinaryToArray() } -window['webmdata']=webmdata; +window['webmdata'] = webmdata; var VP8_FOURCC = (0x00385056); //row:51 -var ifaces = new Array( -{ - name:char_, - iface:0,//'newObjectI(vpx_codec_iface_t)' - fourcc:int_, - fourcc_mask:int_ +var ifaces = new Array({ + name: char_, + iface: 0, //'newObjectI(vpx_codec_iface_t)' + fourcc: int_, + fourcc_mask: int_ }); //#if CONFIG_VP8_DECODER - ifaces[0] = {name:"vp8", iface:new vpx_codec_vp8_dx_algo(), fourcc:VP8_FOURCC, fourcc_mask:0x00FFFFFF}; +ifaces[0] = { + name: "vp8", + iface: new vpx_codec_vp8_dx_algo(), + fourcc: VP8_FOURCC, + fourcc_mask: 0x00FFFFFF +}; //#endif var //enum file_kind 202 //{ - RAW_FILE=0, - IVF_FILE=1, - WEBM_FILE=2 -//} + RAW_FILE = 0, + IVF_FILE = 1, + WEBM_FILE = 2 + //} ; -var IVF_FRAME_HDR_SZ = (/*sizeof(uint32_t)**/4 + /*sizeof(uint64_t)**/8); -var RAW_FRAME_HDR_SZ = (/*sizeof(uint32_t)**/4); +var IVF_FRAME_HDR_SZ = ( /*sizeof(uint32_t)**/ 4 + /*sizeof(uint64_t)**/ 8); +var RAW_FRAME_HDR_SZ = ( /*sizeof(uint32_t)**/ 4); + function read_frame(input, - buf, - buf_off, - buf_sz, - buf_alloc_sz) -{ - var raw_hdr=new Array(IVF_FRAME_HDR_SZ);//Arr(IVF_FRAME_HDR_SZ,char); - var new_buf_sz=size_t; + buf, + buf_off, + buf_sz, + buf_alloc_sz) { + var raw_hdr = new Array(IVF_FRAME_HDR_SZ); //Arr(IVF_FRAME_HDR_SZ,char); + var new_buf_sz = size_t; var infile = input.infile; var kind = input.kind; - if(kind == WEBM_FILE) - { - if(input.chunk >= input.chunks) - { - var track=[int_]; + if (kind == WEBM_FILE) { + if (input.chunk >= input.chunks) { + var track = [int_]; - do - { + do { /* End of this packet, get another. */ - if(input.pkt) + if (input.pkt) nestegg_free_packet(input.pkt); - if(nestegg_read_packet(input.nestegg_ctx, input.pkt) <= 0 - || nestegg_packet_track(input.pkt, track)) + if (nestegg_read_packet(input.nestegg_ctx, input.pkt) <= 0 || nestegg_packet_track(input.pkt, track)) return 1; - } while(track != input.video_track); + } while (track != input.video_track); - if(nestegg_packet_count(input.pkt, input.chunks))//todo: input.chunks with return val (defined) + if (nestegg_packet_count(input.pkt, input.chunks)) //todo: input.chunks with return val (defined) return 1; input.chunk = 0; } - if(nestegg_packet_data(input.pkt, input.chunk, buf, buf_sz)) + if (nestegg_packet_data(input.pkt, input.chunk, buf, buf_sz)) return 1; input.chunk++; @@ -7635,7 +7606,7 @@ function read_frame(input, * size. */ /*not implemented - else if (fread(raw_hdr, kind==IVF_FILE + else if (fread(raw_hdr, kind==IVF_FILE ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1, infile) != 1) { if (!feof(infile)) @@ -7677,11 +7648,9 @@ function read_frame(input, buf_sz[0] = new_buf_sz; - if (buf_sz) - { - if (fread(buf, 1, buf_sz[0], infile) != buf_sz[0]) - { - fprintf(stderr, "Failed to read full frame\n");//todo: + if (buf_sz) { + if (fread(buf, 1, buf_sz[0], infile) != buf_sz[0]) { + fprintf(stderr, "Failed to read full frame\n"); //todo: return 1; } @@ -7691,25 +7660,22 @@ function read_frame(input, return 1; } -var input_ctx = function() -{ - this.kind=0,//enum'file_kind' - this.infile=0,//*'FILE' - this.nestegg_ctx=new nestegg(),//* - this.pkt=[null],//newObjectI(nestegg_packet),//* - this.chunk=int_, - this.chunks=[int_], - this.video_track=int_ +var input_ctx = function() { + this.kind = 0, //enum'file_kind' + this.infile = 0, //*'FILE' + this.nestegg_ctx = new nestegg(), //* + this.pkt = [null], //newObjectI(nestegg_packet),//* + this.chunk = int_, + this.chunks = [int_], + this.video_track = int_ }; function //479 -nestegg_read_cb(buffer, length, userdata) -{ - var f = userdata;//* - //userdata.val; - - if(fread(buffer, 1, length, f) < length) - { +nestegg_read_cb(buffer, length, userdata) { + var f = userdata; //* + //userdata.val; + + if (fread(buffer, 1, length, f) < length) { /*if (ferror(f)) return -1;*/ if (feof(f)) @@ -7720,20 +7686,24 @@ nestegg_read_cb(buffer, length, userdata) function //495 -nestegg_seek_cb(offset, whence, userdata) -{ - switch(whence) { - case NESTEGG_SEEK_SET: whence = SEEK_SET; break; - case NESTEGG_SEEK_CUR: whence = SEEK_CUR; break; - case NESTEGG_SEEK_END: whence = SEEK_END; break; +nestegg_seek_cb(offset, whence, userdata) { + switch (whence) { + case NESTEGG_SEEK_SET: + whence = SEEK_SET; + break; + case NESTEGG_SEEK_CUR: + whence = SEEK_CUR; + break; + case NESTEGG_SEEK_END: + whence = SEEK_END; + break; }; - return fseek(userdata, offset, whence)? -1 : 0; + return fseek(userdata, offset, whence) ? -1 : 0; } -function//508 -nestegg_tell_cb(userdata) -{ +function //508 +nestegg_tell_cb(userdata) { return ftell(userdata); } @@ -7741,46 +7711,48 @@ nestegg_tell_cb(userdata) //570 function file_is_webm(input, - fourcc, - width, - height, - fps_den, - fps_num) -{ - var i=int_, n=[int_]; + fourcc, + width, + height, + fps_den, + fps_num) { + var i = int_, + n = [int_]; var track_type = -1; //todo by d nestegg_io - var io = {read:nestegg_read_cb, seek:nestegg_seek_cb, tell:nestegg_tell_cb, - userdata:input.infile};//nestegg_io - var params=new nestegg_video_params(); - input.nestegg_ctx = [input.nestegg_ctx]; - if(nestegg_init(input.nestegg_ctx, io, null)) + var io = { + read: nestegg_read_cb, + seek: nestegg_seek_cb, + tell: nestegg_tell_cb, + userdata: input.infile + }; //nestegg_io + var params = new nestegg_video_params(); + input.nestegg_ctx = [input.nestegg_ctx]; + if (nestegg_init(input.nestegg_ctx, io, null)) alert('goto fail'); - input.nestegg_ctx=input.nestegg_ctx[0]; + input.nestegg_ctx = input.nestegg_ctx[0]; - if(nestegg_track_count(input.nestegg_ctx, n)) + if (nestegg_track_count(input.nestegg_ctx, n)) alert('goto fail'); - for(i=0; i1000 && ii>164)alert(ii+' '+buf_sz);if(ii<1) continue; - buf=buf[0]; // added by d - startdatum = new Date(); - - vp8_dixie_decode_frame(decoder2, buf, buf_sz); - buf=[buf]; // added by d - var img_avail = decoder2.frame_hdr.is_shown; - var img = decoder2.ref_frames[0].img; -///// -// var iter = [null];//vpx_codec_iter_t -// var img=newObjectI(vpx_image_t);// -// var timer=newObjectI(vpx_usec_timer); -// var corrupted=int_; -// ii++;++frame_in; -// vpx_usec_timer_start(timer);//&timer -// -// if (vpx_codec_decode(decoder, buf, buf_sz, null, 0)) -// { -// var detail = vpx_codec_error_detail(decoder); -// fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(decoder)); -// -// if (detail) -// fprintf(stderr, " Additional information: %s\n", detail); -// -// alert('goto fail'); -// } -// -// vpx_usec_timer_mark(timer); -// dx_time += vpx_usec_timer_elapsed(timer); -// -// ++frame_in; -// -//// /*todo:if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) -//// { -//// fprintf(stderr, "Failed VP8_GET_FRAME_CORRUPTED: %s\n", -//// vpx_codec_error(&decoder)); -//// goto fail; -//// }*/ -// frames_corrupted += corrupted; -// -// if ((img = vpx_codec_get_frame(decoder, iter))) -// ++frame_out; -////// - enddatum =new Date(); - getElementById_timecode.innerHTML=input.pkt[0].timecode+' ('+((input.pkt[0].timecode/1000000000)>>0)+' sec)'; - if(img_avail) { - getElementById_render.innerHTML=(enddatum-startdatum)+'ms
FPS:'+(1000/(enddatum-startdatum)).toFixed(2); - if (img) - vpximg2canvas(img); - ii++; - getElementById_frame.innerHTML=ii; - } - readframe(); - },0); - } - readframe(); - var enddatum =new Date(); - //alert(enddatum-startdatum+' '+ii+'frames'); -} \ No newline at end of file + function readframe() { + //while () + isframe = !read_frame(input, buf, buf_off, buf_sz, buf_alloc_sz); //while (!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz)) + if (isframe) setTimeout(function() { //if(buf_sz>1000 && ii>164)alert(ii+' '+buf_sz);if(ii<1) continue; + buf = buf[0]; // added by d + startdatum = new Date(); + + vp8_dixie_decode_frame(decoder2, buf, buf_sz); + buf = [buf]; // added by d + var img_avail = decoder2.frame_hdr.is_shown; + var img = decoder2.ref_frames[0].img; + ///// + // var iter = [null];//vpx_codec_iter_t + // var img=newObjectI(vpx_image_t);// + // var timer=newObjectI(vpx_usec_timer); + // var corrupted=int_; + // ii++;++frame_in; + // vpx_usec_timer_start(timer);//&timer + // + // if (vpx_codec_decode(decoder, buf, buf_sz, null, 0)) + // { + // var detail = vpx_codec_error_detail(decoder); + // fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(decoder)); + // + // if (detail) + // fprintf(stderr, " Additional information: %s\n", detail); + // + // alert('goto fail'); + // } + // + // vpx_usec_timer_mark(timer); + // dx_time += vpx_usec_timer_elapsed(timer); + // + // ++frame_in; + // + //// /*todo:if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) + //// { + //// fprintf(stderr, "Failed VP8_GET_FRAME_CORRUPTED: %s\n", + //// vpx_codec_error(&decoder)); + //// goto fail; + //// }*/ + // frames_corrupted += corrupted; + // + // if ((img = vpx_codec_get_frame(decoder, iter))) + // ++frame_out; + ////// + enddatum = new Date(); + getElementById_timecode.innerHTML = input.pkt[0].timecode + ' (' + ((input.pkt[0].timecode / 1000000000) >> 0) + ' sec)'; + if (img_avail) { + getElementById_render.innerHTML = (enddatum - startdatum) + 'ms
FPS:' + (1000 / (enddatum - startdatum)).toFixed(2); + if (img) + vpximg2canvas(img); + ii++; + getElementById_frame.innerHTML = ii; + } + readframe(); + }, 0); + } + readframe(); + var enddatum = new Date(); + //alert(enddatum-startdatum+' '+ii+'frames'); +}