View Source Membrane FFmpeg SWResample plugin
Plugin performing audio conversion, resampling and channel mixing, using SWResample module of FFmpeg library.
It is a part of Membrane Multimedia Framework.
installation
Installation
Add the following line to your deps
in mix.exs
. Run mix deps.get
.
{:membrane_ffmpeg_swresample_plugin, "~> 0.14.0"}
You also need to have FFmpeg library installed.
sample-usage
Sample usage
defmodule Resampling.Pipeline do
use Membrane.Pipeline
alias Membrane.Element.File
alias Membrane.FFmpeg.SWResample.Converter
alias Membrane.RawAudio
@doc false
@impl true
def handle_init(_) do
children = [
file_src: %File.Source{location: "/tmp/input.raw"},
converter: %Converter{
input_caps: %RawAudio{channels: 2, sample_format: :s24le, sample_rate: 48_000},
output_caps: %RawAudio{channels: 2, sample_format: :f32le, sample_rate: 44_100}
},
file_sink: %File.Sink{location: "/tmp/output.raw"},
]
links = [
link(:file_src)
|> to(:converter)
|> to(:file_sink)
]
{{:ok, spec: %ParentSpec{children: children, links: links}}, %{}}
end
end
copyright-and-license
Copyright and License
Copyright 2018, Software Mansion
Licensed under the Apache License, Version 2.0