Livebooks 1.0

README.md

@@ -12,13 +12,20 @@ In the subdirectories of this repository you can find some examples of using the
 - [rtp_to_hls](https://github.com/membraneframework/membrane_demo/tree/master/rtp_to_hls) - receiving RTP stream and broadcasting it via HLS
 - [rtsp_to_hls](https://github.com/membraneframework/membrane_demo/tree/master/rtsp_to_hls) - receiving RTSP stream and converting it to HLS
 - [video_mixer](https://github.com/membraneframework/membrane_demo/tree/master/video_mixer) - how to mix audio and video files
-- [speech_to_text](https://github.com/membraneframework/membrane_demo/tree/master/speech_to_text) - real-time speech recognition using [Whisper](https://github.com/openai/whisper) in [Livebook]
 - [webrtc_to_hls](https://github.com/jellyfish-dev/membrane_rtc_engine/tree/master/examples/webrtc_to_hls) - converting WebRTC stream into HLS
 - [webrtc_videoroom](https://github.com/jellyfish-dev/membrane_rtc_engine/tree/master/examples/webrtc_videoroom) - basic example of [Membrane RTC Engine](https://github.com/jellyfish-dev/membrane_rtc_engine.git). It's as simple as possible just to show you how to use our API.
-- 
+
+Also there are some livebook examples located in [livebooks](https://github.com/membraneframework/membrane_demo/tree/master/livebooks) directory:
+
+- [speech_to_text](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/speech_to_text) - real-time speech recognition using [Whisper](https://github.com/openai/whisper) in [Livebook]
+- [audio_mixer](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/audio_mixer) - mix a beep sound into background music
+- [messages_source_and_sink](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/messages_source_and_sink) - setup a simple pipeline and send messages through it
+- [playing_mp3_file](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/playing_mp3_file) - read mp3 file, transcode to acc and play
+- [rtmp](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/rtmp) - send and receive `RTMP` stream
+- [soundwave](https://github.com/membraneframework/membrane_demo/tree/master/livebooks/soundwave) - plot live audio amplitude on a graph
 ## Copyright and License
 
-Copyright 2018, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
 
 [![Software Mansion](https://logo.swmansion.com/logo?color=white&variant=desktop&width=200&tag=membrane-github)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
 

livebooks/README.md

@@ -0,0 +1,10 @@
+# Livebook examples 
+
+This folder contains interactive livebook examples. To launch them you need to install livebook first.
+
+## Installation
+
+It is recommended to install Livebook via command line ([see official installation guide](https://github.com/livebook-dev/livebook#escript)). 
+
+If livebook was installed directly from the official page, one should add `$PATH` variable to the Livebook environment:
+![Setting path](./assets/path_set.png "Title")

livebooks/audio_mixer/README.md

@@ -0,0 +1,13 @@
+# Membrane audio mixer
+
+This livebook shows how to mix a beep sound into background music over a period of time.
+
+To run the demo, [install Livebook](https://github.com/livebook-dev/livebook#escript) and open the `audio_mixer.livemd` file there.
+
+## Copyright and License
+
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+[![Software Mansion](https://docs.membrane.stream/static/logo/swm_logo_readme.png)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+Licensed under the [Apache License, Version 2.0](LICENSE)

livebooks/audio_mixer/audio_mixer.livemd

@@ -5,14 +5,14 @@ File.cd(__DIR__)
 Logger.configure(level: :error)
 
 Mix.install([
-  {:membrane_core, "~> 0.11.2"},
-  {:membrane_audio_mix_plugin, "~> 0.12.0"},
-  {:membrane_file_plugin, "~> 0.13.0"},
-  {:membrane_mp3_mad_plugin, "~> 0.14.0"},
-  {:membrane_ffmpeg_swresample_plugin, "~> 0.16.1"},
-  {:membrane_aac_fdk_plugin, "~> 0.14.0"},
-  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin"},
-  {:membrane_tee_plugin, "~> 0.10.1"}
+  {:membrane_core, "~> 1.0"},
+  {:membrane_audio_mix_plugin, "~> 0.16.0"},
+  {:membrane_file_plugin, "~> 0.16.0"},
+  {:membrane_mp3_mad_plugin, "~> 0.18.0"},
+  {:membrane_ffmpeg_swresample_plugin, "~> 0.19.0"},
+  {:membrane_aac_fdk_plugin, "~> 0.18.0"},
+  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"},
+  {:membrane_tee_plugin, "~> 0.12.0"}
 ])
 ```
 
@@ -104,17 +104,17 @@ mixer_output =
 Whole pipeline structure.
 
 ```elixir
-structure = beeps_split ++ [beep_audio_input, background_audio_input, mixer_output]
+spec = beeps_split ++ [beep_audio_input, background_audio_input, mixer_output]
 :ok
 ```
 
 ## Playing audio
 
 ```elixir
-alias Membrane.RemoteControlled, as: RC
+alias Membrane.RCPipeline, as: RC
 
-pipeline = RC.Pipeline.start!()
-RC.Pipeline.exec_actions(pipeline, spec: structure, playback: :playing)
+pipeline = RC.start!()
+RC.exec_actions(pipeline, spec: spec)
 
 kino
 ```

livebooks/messages_source_and_sink/README.md

@@ -0,0 +1,13 @@
+# Membrane messages source and sink
+
+This livebook shows how to setup a simple pipeline and send messages through it.
+
+To run the demo, [install Livebook](https://github.com/livebook-dev/livebook#escript) and open the `messages_source_and_sink.livemd` file there.
+
+## Copyright and License
+
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+[![Software Mansion](https://docs.membrane.stream/static/logo/swm_logo_readme.png)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+Licensed under the [Apache License, Version 2.0](LICENSE)

livebooks/messages_source_and_sink/messages_source_and_sink.livemd

@@ -5,7 +5,7 @@ File.cd(__DIR__)
 Logger.configure(level: :error)
 
 Mix.install([
-  {:membrane_core, "~> 0.12.7"}
+  {:membrane_core, "~> 1.0"}
 ])
 ```
 
@@ -17,17 +17,15 @@ defmodule MessageSource do
 
   require Membrane.Logger
 
-  def_output_pad(:output,
-    mode: :push,
+  def_output_pad :output,
+    flow_control: :push,
     accepted_format: _any
-  )
 
-  def_options(
-    register_name: [
-      description: "The name under which the element's process will be registered",
-      spec: atom()
-    ]
-  )
+  def_options register_name: [
+                description: "The name under which the element's process will be registered",
+                spec: atom()
+              ]
+
 
   @impl true
   def handle_init(_ctx, opts) do
@@ -75,9 +73,14 @@ end
 defmodule MessageSink do
   use Membrane.Sink
 
-  def_input_pad(:input, mode: :push, accepted_format: _any)
-  def_options(receiver: [description: "PID of the process that will 
-    receive messages from the sink", spec: pid()])
+  def_input_pad :input,
+    flow_control: :push,
+    accepted_format: _any
+
+  def_options receiver: [
+                description: "PID of the process that will receive messages from the sink",
+                spec: pid()
+              ]
 
   @impl true
   def handle_init(_ctx, opts) do
@@ -111,7 +114,7 @@ defmodule MyPipeline do
   end
 end
 
-{:ok, _supervisor, pipeline} = MyPipeline.start(receiver: self())
+{:ok, _supervisor, pipeline} = Membrane.Pipeline.start(MyPipeline, receiver: self())
 payloads = 1..10
 
 Task.async(fn ->

livebooks/playing_mp3_file/README.md

@@ -0,0 +1,13 @@
+# Membrane playing mp3 file demo
+
+This livebook shows how to load `MP3` audio from the file, transcode it to the `AAC` codec, and play it.
+
+To run the demo, [install Livebook](https://github.com/livebook-dev/livebook#escript) and open the `playing_mp3_file.livemd` file there.
+
+## Copyright and License
+
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+[![Software Mansion](https://docs.membrane.stream/static/logo/swm_logo_readme.png)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+Licensed under the [Apache License, Version 2.0](LICENSE)

livebooks/playing_mp3_file/playing_mp3_file.livemd

@@ -5,12 +5,12 @@ File.cd(__DIR__)
 Logger.configure(level: :error)
 
 Mix.install([
-  {:membrane_core, "~> 0.11.2"},
-  {:membrane_file_plugin, "~> 0.13.0"},
-  {:membrane_mp3_mad_plugin, "~> 0.14.0"},
-  {:membrane_ffmpeg_swresample_plugin, "~> 0.16.1"},
-  {:membrane_aac_fdk_plugin, "~> 0.14.0"},
-  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin"}
+  {:membrane_core, "~> 1.0"},
+  {:membrane_file_plugin, "~> 0.16.0"},
+  {:membrane_mp3_mad_plugin, "~> 0.18.0"},
+  {:membrane_ffmpeg_swresample_plugin, "~> 0.19.0"},
+  {:membrane_aac_fdk_plugin, "~> 0.18.0"},
+  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"}
 ])
 ```
 
@@ -54,7 +54,7 @@ alias Membrane.{
 audio_path = "./assets/sample.mp3"
 kino = Membrane.Kino.Player.new(audio: true)
 
-structure =
+spec =
   child(:file_source, %File.Source{location: audio_path})
   |> child(:decoder_mp3, MP3.MAD.Decoder)
   |> child(:converter, %FFmpeg.SWResample.Converter{
@@ -73,10 +73,10 @@ structure =
 Run pipeline:
 
 ```elixir
-alias Membrane.RemoteControlled, as: RC
+alias Membrane.RCPipeline, as: RC
 
-pipeline = RC.Pipeline.start!()
-RC.Pipeline.exec_actions(pipeline, spec: structure, playback: :playing)
+pipeline = RC.start!()
+RC.exec_actions(pipeline, spec: spec)
 
 kino
 ```

livebooks/rtmp/README.md

@@ -0,0 +1,15 @@
+# Membrane RMTP demo
+
+Sender livebook shows how to download video and audio from the web using the `Hackney` plugin, and stream it via `RTMP` to the other, receiver livebook.
+
+Receiver livebook shows how to receive `RTMP` stream mentioned above and play it in the livebook.
+
+To run the demo, [install Livebook](https://github.com/livebook-dev/livebook#escript) and open both `rtmp_sender.livemd` and `rtmp_sender.livemd` files there. 
+
+## Copyright and License
+
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+[![Software Mansion](https://docs.membrane.stream/static/logo/swm_logo_readme.png)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+Licensed under the [Apache License, Version 2.0](LICENSE)

livebooks/rtmp/rtmp_receiver.livemd

@@ -5,10 +5,10 @@ File.cd(__DIR__)
 Logger.configure(level: :error)
 
 Mix.install([
-  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin"},
-  {:membrane_core, "~>0.11.2"},
-  {:membrane_realtimer_plugin, "~>0.6.1"},
-  {:membrane_rtmp_plugin, "~>0.11.0"}
+  {:membrane_core, "~> 1.0"},
+  {:membrane_realtimer_plugin, "~> 0.9.0"},
+  {:membrane_rtmp_plugin, "~> 0.19.0"},
+  {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"}
 ])
 ```
 
@@ -45,7 +45,6 @@ defmodule RTMP.Receiver.Pipeline do
       get_child(:source)
       |> via_out(:audio)
       |> child(:audio_parser, %Membrane.AAC.Parser{
-        in_encapsulation: :none,
         out_encapsulation: :ADTS
       })
       |> via_in(:audio)
@@ -54,16 +53,17 @@ defmodule RTMP.Receiver.Pipeline do
     playing_video =
       get_child(:source)
       |> via_out(:video)
-      |> child(:video_parser, %Membrane.H264.FFmpeg.Parser{
-        framerate: {25, 1}
+      |> child(:video_parser, %Membrane.H264.Parser{
+        generate_best_effort_timestamps: %{framerate: {25, 1}},
+        output_stream_structure: :annexb
       })
       |> via_in(:video)
       |> get_child(:player)
 
     player = child(:player, %Membrane.Kino.Player.Sink{kino: kino})
 
-    structure = [source, playing_audio, playing_video, player]
-    {[spec: structure, playback: :playing], %{}}
+    spec = [source, playing_audio, playing_video, player]
+    {[spec: spec], %{}}
   end
 
   # Once the source initializes, we grant it the control over the tcp socket
@@ -133,7 +133,9 @@ defmodule RTMP.Receiver do
       ],
       socket_handler: fn socket ->
         # On new connection a pipeline is started
-        {:ok, _supervisor, pipeline} = RTMP.Receiver.Pipeline.start(socket: socket, kino: kino)
+        {:ok, _supervisor, pipeline} =
+          Membrane.Pipeline.start(RTMP.Receiver.Pipeline, socket: socket, kino: kino)
+
         send(parent, {:pipeline_spawned, pipeline})
         {:ok, pipeline}
       end
@@ -171,6 +173,5 @@ port = 1942
 
 kino = Membrane.Kino.Player.new(video: true, audio: true)
 Kino.render(kino)
-
 RTMP.Receiver.run(port: port, kino: kino)
 ```

livebooks/rtmp/rtmp_sender.livemd

@@ -5,10 +5,10 @@ File.cd(__DIR__)
 Logger.configure(level: :error)
 
 Mix.install([
-  {:membrane_core, "~>0.11.2"},
-  {:membrane_realtimer_plugin, "~>0.6.1"},
-  {:membrane_hackney_plugin, "~>0.9.0"},
-  {:membrane_rtmp_plugin, "~>0.11.0"}
+  {:membrane_core, "~> 1.0"},
+  {:membrane_realtimer_plugin, "~> 0.9.0"},
+  {:membrane_hackney_plugin, "~> 0.11.0"},
+  {:membrane_rtmp_plugin, "~> 0.21.0"}
 ])
 ```
 
@@ -40,22 +40,20 @@ defmodule RTMP.Sender.Pipeline do
         location: @video_url,
         hackney_opts: [follow_redirect: true]
       })
-      |> child(:video_parser, %Membrane.H264.FFmpeg.Parser{
-        framerate: {25, 1},
-        alignment: :au,
-        attach_nalus?: true,
-        skip_until_keyframe?: true
+      |> child(:video_parser, %Membrane.H264.Parser{
+        output_alignment: :au,
+        skip_until_keyframe: true,
+        generate_best_effort_timestamps: %{framerate: {25, 1}}
       })
       |> child(:video_realtimer, Membrane.Realtimer)
-      |> child(:video_payloader, Membrane.MP4.Payloader.H264)
+      |> child(:video_payloader, %Membrane.H264.Parser{output_stream_structure: :avc1})
 
     audio_source =
       child(:audio_source, %Membrane.Hackney.Source{
         location: @audio_url,
         hackney_opts: [follow_redirect: true]
       })
       |> child(:audio_parser, %Membrane.AAC.Parser{
-        in_encapsulation: :ADTS,
         out_encapsulation: :ADTS
       })
       |> child(:audio_realtimer, Membrane.Realtimer)
@@ -66,17 +64,17 @@ defmodule RTMP.Sender.Pipeline do
         max_attempts: :infinity
       })
 
-    structure = [
+    spec = [
       video_source
-      |> via_in(:video)
+      |> via_in(Pad.ref(:video, 0))
       |> get_child(:rtmp_sink),
       audio_source
-      |> via_in(:audio)
+      |> via_in(Pad.ref(:audio, 0))
       |> get_child(:rtmp_sink),
       rtmp_sink
     ]
 
-    {[spec: structure, playback: :playing], %{streams_to_end: 2}}
+    {[spec: spec], %{streams_to_end: 2}}
   end
 
   # The rest of the example module is only used for self-termination of the pipeline after processing finishes
@@ -116,7 +114,9 @@ defmodule RTMP.Sender do
   end
 
   defp start_tcp_client(destination_url) do
-    {:ok, _supervisor, pipeline} = RTMP.Sender.Pipeline.start(destination: destination_url)
+    {:ok, _supervisor, pipeline} =
+      Membrane.Pipeline.start(RTMP.Sender.Pipeline, destination: destination_url)
+
     {:ok, pipeline}
   end
 

livebooks/soundwave/README.md

@@ -0,0 +1,13 @@
+# Membrane Soundwave demo
+
+This livebook example shows how to perform real-time soundwave plotting with the use of the [Membrane Framework](https://github.com/membraneframework) and [Vega-Lite](https://vega.github.io/vega-lite/).
+
+To run the demo, [install Livebook](https://github.com/livebook-dev/livebook#escript) and open the `soundwave.livemd` file there.
+
+## Copyright and License
+
+Copyright 2024, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+[![Software Mansion](https://docs.membrane.stream/static/logo/swm_logo_readme.png)](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
+
+Licensed under the [Apache License, Version 2.0](LICENSE)