Allows mixing up to 4 input streams. Useful for profiling and manual
tests. Allows testing different combinations of input/output rates and
number of channels. Reads and writes WAV files. Can also configure
whether to use the Limiter component of the AudioMixer.
Bug: webrtc:8925
Change-Id: Iaf4fee5284980f6ed01f4bb721e49bb1af8dd392
Reviewed-on: https://webrtc-review.googlesource.com/56842
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22209}