View Source Membrane raw video parser plugin

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This package provides an element parsing a data stream into raw (uncompressed) video frames. Documentation is available at HexDocs

It is part of Membrane Multimedia Framework.

Installation

Add the following line to your deps in mix.exs. Run mix deps.get.

	{:membrane_raw_video_parser_plugin, "~> 0.12.2"}

Usage

The pipeline below displays a sample raw video from file using Membrane raw video parser plugin and Membrane SDL plugin.

defmodule Membrane.RawVideo.Parser.Pipeline do

  use Membrane.Pipeline

  @doc """
  handle_init(_context, %{
    video_path: String.t(),
    caps: Membrane.RawVideo
  })
  """
  @impl true
  def handle_init(_ctx, options) do
    parser = %Membrane.RawVideo.Parser{
      framerate: options.caps.framerate,
      width: options.caps.width,
      height: options.caps.height,
      pixel_format: options.caps.pixel_format
    }

    structure = [
      child(:file_src, %Membrane.File.Source{location: options.video_path})
      |> child(:parser, parser)
      |> child(:sdl, Membrane.SDL.Player)
    ]

    {[spec: structure, playback: :playing}], %{}}
  end

  @impl true
  def handle_element_end_of_stream(:sdl, _pad_ref, _ctx, state) do
    {[playback: :terminating], state}
  end

  @impl true
  def handle_element_end_of_stream(_src, _pad_ref, _ctx, state) do
    {[], state}
  end
end

Copyright 2018, Software Mansion

Software Mansion

Licensed under the Apache License, Version 2.0