Merge pull request #270 from membraneframework/livebooks-cleanup

Livebooks cleanup

livebooks/README.md

@@ -4,7 +4,4 @@ This folder contains interactive livebook examples. To launch them you need to i
 
 ## 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")
+It is recommended to install Livebook via command line ([see official installation guide](https://github.com/livebook-dev/livebook#escript)). 

livebooks/audio_mixer/audio_mixer.livemd

@@ -8,22 +8,14 @@ Mix.install([
   {: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_mp3_mad_plugin, "~> 0.18.2"},
+  {:membrane_ffmpeg_swresample_plugin, "~> 0.19.1"},
+  {:membrane_aac_fdk_plugin, "~> 0.18.5"},
   {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"},
   {:membrane_tee_plugin, "~> 0.12.0"}
 ])
 ```
 
-## Installation
-
-To run this demo one needs to install native dependencies:
-
-1. [MP3 MAD](https://github.com/membraneframework/membrane_mp3_mad_plugin/tree/v0.14.0#installation)
-2. [AAC FDK](https://github.com/membraneframework/membrane_aac_fdk_plugin#installation)
-3. [SWResample FFmpeg](https://github.com/membraneframework/membrane_ffmpeg_swresample_plugin#installation)
-
 ## Description
 
 This is an example of mixing multiple short "beep" sound into background music, one by one, every second.
@@ -35,7 +27,7 @@ Define all constants.
 ```elixir
 n_beeps = 30
 beep_filepath = "./assets/beep.aac"
-background_filepath = "./assets/sample_music_short.mp3"
+background_filepath = "./assets/sample.mp3"
 :ok
 ```
 
@@ -75,7 +67,7 @@ background_audio_input =
   child(:file_source, %File.Source{location: background_filepath})
   |> child(:decoder_mp3, MP3.MAD.Decoder)
   |> child(:converter, %Converter{
-    input_stream_format: %RawAudio{channels: 2, sample_format: :s24le, sample_rate: 44_100},
+    input_stream_format: %RawAudio{channels: 2, sample_format: :s24le, sample_rate: 48_000},
     output_stream_format: %RawAudio{channels: 1, sample_format: :s16le, sample_rate: 44_100}
   })
   |> get_child(:mixer)

livebooks/playing_mp3_file/playing_mp3_file.livemd

@@ -7,21 +7,13 @@ Logger.configure(level: :error)
 Mix.install([
   {: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_mp3_mad_plugin, "~> 0.18.2"},
+  {:membrane_ffmpeg_swresample_plugin, "~> 0.19.1"},
+  {:membrane_aac_fdk_plugin, "~> 0.18.5"},
   {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"}
 ])
 ```
 
-## Installation
-
-To run this demo one needs to install native dependencies:
-
-1. [MP3 MAD](https://github.com/membraneframework/membrane_mp3_mad_plugin/tree/v0.14.0#installation)
-2. [AAC FDK](https://github.com/membraneframework/membrane_aac_fdk_plugin#installation)
-3. [SWResample FFmpeg](https://github.com/membraneframework/membrane_ffmpeg_swresample_plugin#installation)
-
 ## Description
 
 This is example of loading `MP3` audio from the file, transcoding it to the `AAC` codec, and playing it via `Membrane.Kino.Player`.
@@ -50,15 +42,14 @@ alias Membrane.{
   Kino
 }
 
-# https://freemusicarchive.org/music/Paper_Navy/All_Grown_Up/08_Swan_Song/
 audio_path = "./assets/sample.mp3"
 kino = Membrane.Kino.Player.new(audio: true)
 
 spec =
   child(:file_source, %File.Source{location: audio_path})
   |> child(:decoder_mp3, MP3.MAD.Decoder)
   |> child(:converter, %FFmpeg.SWResample.Converter{
-    input_stream_format: %RawAudio{channels: 2, sample_format: :s24le, sample_rate: 44_100},
+    input_stream_format: %RawAudio{channels: 2, sample_format: :s24le, sample_rate: 48_000},
     output_stream_format: %RawAudio{channels: 2, sample_format: :s16le, sample_rate: 44_100}
   })
   |> child(:encoder_aac, AAC.FDK.Encoder)

livebooks/rtmp/rtmp_receiver.livemd

@@ -7,17 +7,11 @@ Logger.configure(level: :error)
 Mix.install([
   {:membrane_core, "~> 1.0"},
   {:membrane_realtimer_plugin, "~> 0.9.0"},
-  {:membrane_rtmp_plugin, "~> 0.19.0"},
+  {:membrane_rtmp_plugin, "~> 0.21.0"},
   {:membrane_kino_plugin, github: "membraneframework-labs/membrane_kino_plugin", tag: "v0.3.1"}
 ])
 ```
 
-## Installation
-
-To run this demo one needs to install native dependencies:
-
-1. [H264 FFmpeg](https://github.com/membraneframework/membrane_h264_ffmpeg_plugin/#installation)
-
 ## Description
 
 Defines a server that receives a media stream from the RTMP source and plays it directly in the notebook.

livebooks/rtmp/rtmp_sender.livemd

@@ -12,12 +12,6 @@ Mix.install([
 ])
 ```
 
-## Installation
-
-To run this demo one needs to install native dependencies:
-
-1. [H264 FFmpeg](https://github.com/membraneframework/membrane_h264_ffmpeg_plugin/#installation)
-
 ## Description
 
 Defines a pipeline downloading [Big Buck Bunny](https://en.wikipedia.org/wiki/Big_Buck_Bunny) trailer video and audio from Membranes' asset samples page using the `Hackney` plugin, and sending it via `RTMP` to the other Livebook.

livebooks/soundwave/soundwave.livemd

@@ -7,7 +7,7 @@ Logger.configure(level: :error)
 Mix.install([
   {:membrane_core, "~> 1.0"},
   {:membrane_raw_audio_parser_plugin, "~> 0.4.0"},
-  {:membrane_portaudio_plugin, "~> 0.18.0"},
+  {:membrane_portaudio_plugin, "~> 0.18.3"},
   {:vega_lite, "~> 0.1.8"},
   {:kino_vega_lite, "~> 0.1.11"}
 ])
@@ -19,10 +19,6 @@ This livebook example shows how to perform real-time soundwave plotting with the
 
 By following that example you will learn how to read the audio from the microphone, how is audio represented, and how to create your custom Membrane element that plots the soundwave with the use of the elixir bindings to the Vega-Lite.
 
-## Installation
-
-You need to have `FFmpeg` installed. For installation details take a look [here](https://www.ffmpeg.org/).
-
 ## Soundwave plotting sink
 
 Since there is no plugin in the `Membrane Framework`, that already provides an element capable of plotting soundwave, we need to write one on our own. 

livebooks/speech_to_text/speech_to_text.livemd

@@ -8,18 +8,14 @@ Mix.install(
     {:bumblebee, "~> 0.4.2"},
     {:exla, "~> 0.6.4"},
     {:membrane_core, "~> 1.0"},
-    {:membrane_portaudio_plugin, "~> 0.18.0"}
+    {:membrane_portaudio_plugin, "~> 0.18.3"}
   ],
   config: [
     nx: [default_backend: EXLA.Backend]
   ]
 )
 ```
 
-## Prerequisites
-
-On Linux, you need to install PortAudio, for example with `sudo apt install portaudio19-dev`. Check [membrane_portaudio_plugin](https://github.com/membraneframework/membrane_portaudio_plugin#installation) for details.
-
 ## Introduction
 
 This livebook example shows how to perform a real-time speech-to-text conversion with the use of the [Membrane Framework](https://github.com/membraneframework) and the [Bumblebee](https://github.com/elixir-nx/bumblebee).