f761d10393
1. move channel number of input file to the base class 2. limit channel number to be 1, since the resampler support only mono at the moment 3. adding a logging function 4. adding more switch to neteq_opus_quality_test BUG=2692 R=henrik.lundin@webrtc.org Review URL: https://webrtc-codereview.appspot.com/47239004 Cr-Commit-Position: refs/heads/master@{#9260}