get sample && get_dc_offset

Author: jordimas

open_dubbing/pydub_audio_segment.py

@@ -334,31 +334,6 @@ def __getitem__(self, millisecond):
 
         return self._spawn(data)
 
-    def get_sample_slice(self, start_sample=None, end_sample=None):
-        """
-        Get a section of the audio segment by sample index.
-
-        NOTE: Negative indices do *not* address samples backword
-        from the end of the audio segment like a python list.
-        This is intentional.
-        """
-        max_val = int(self.frame_count())
-
-        def bounded(val, default):
-            if val is None:
-                return default
-            if val < 0:
-                return 0
-            if val > max_val:
-                return max_val
-            return val
-
-        start_i = bounded(start_sample, 0) * self.frame_width
-        end_i = bounded(end_sample, max_val) * self.frame_width
-
-        data = self._data[start_i:end_i]
-        return self._spawn(data)
-
     def __add__(self, arg):
         if isinstance(arg, AudioSegment):
             return self.append(arg, crossfade=0)
@@ -1112,23 +1087,6 @@ def max_dBFS(self):
     def duration_seconds(self):
         return self.frame_rate and self.frame_count() / self.frame_rate or 0.0
 
-    def get_dc_offset(self, channel=1):
-        """
-        Returns a value between -1.0 and 1.0 representing the DC offset of a
-        channel (1 for left, 2 for right).
-        """
-        if not 1 <= channel <= 2:
-            raise ValueError("channel value must be 1 (left) or 2 (right)")
-
-        if self.channels == 1:
-            data = self._data
-        elif channel == 1:
-            data = audioop.tomono(self._data, self.sample_width, 1, 0)
-        else:
-            data = audioop.tomono(self._data, self.sample_width, 0, 1)
-
-        return float(audioop.avg(data, self.sample_width)) / self.max_possible_amplitude
-
     def remove_dc_offset(self, channel=None, offset=None):
         """
         Removes DC offset of given channel. Calculates offset if it's not given.