# Membrane FFmpeg SWResample plugin
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Plugin performing audio conversion, resampling and channel mixing, using SWResample module of [FFmpeg](https://www.ffmpeg.org/) library.
It is a part of [Membrane Multimedia Framework](https://membraneframework.org).
## Installation
Add the following line to your `deps` in `mix.exs`. Run `mix deps.get`.
```elixir
{:membrane_ffmpeg_swresample_plugin, "~> 0.14.0"}
```
You also need to have [FFmpeg](https://www.ffmpeg.org/) library installed.
## Sample usage
```elixir
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 2018, [Software Mansion](https://swmansion.com/?utm_source=git&utm_medium=readme&utm_campaign=membrane)
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Licensed under the [Apache License, Version 2.0](LICENSE)