
This reverts r8372, with a bug fix: allowing zero rate in AudioEncoderIsac::Config. Without this fix, setting the rate to zero triggered a CHECK. Existing callers assumed that zero was a valid value. Setting the rate to zero will result in the default rate 32000 being set. BUG=4228,chromium:458638 COAUTHOR=kwiberg@webrtc.org R=tina.legrand@webrtc.org TBR=tina.legrand@webrtc.org CC=jmarusic@webrtc.org Review URL: https://webrtc-codereview.appspot.com/39159004 Cr-Commit-Position: refs/heads/master@{#8378} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8378 4adac7df-926f-26a2-2b94-8c16560cd09d