tree a84dae01a008088b7b9c0769ab0d9fb862b31ad0
parent b93a765ba69a292c268694e7ac127833e00a9b63
author Jean-Michel Trivi <jmtrivi@google.com> 1330714796 -0800
committer Jean-Michel Trivi <jmtrivi@google.com> 1331144239 -0800

Effect for multichannel PCM downmix to stereo

First pass at implementing an audio effect whose role is to
 downmix multichannel PCM buffers to stereo.
The effect is not handling volume changes.
The effect code here handles quad, 4.0, 5.1 and 7.1 input configurations,
 to optimize the most commom configurations, and does not yet handle
 generic multichanel configurations.

Change-Id: I74d04bd961348f3f0e4ae7714b70e620808a0829