commit b1facc1f7107d801ef92719fb13ae7bdd5537c41
author Ivo Creusen <ivoc@webrtc.org> Thu Apr 12 16:15:58 2018 +0200
committer Commit Bot <commit-bot@chromium.org> Mon Apr 16 18:38:58 2018 +0000
tree 43d544332dc1a2c82092e3d1511aab3a133fbba7
parent 0c87fe85b810c19b91c8922f2828b7418dcbea98

The initialization of the echo detector should always signal that the input audio is mono.

Since we always pass in the first audio channel, we should always pass 1 as the number of channels in the initialization function.

Bug: webrtc:8732
Change-Id: I978edb125d7cc701a5e07193256327908be00560
Reviewed-on: https://webrtc-review.googlesource.com/69660
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22885}

modules/audio_processing/audio_processing_impl.cc

diff --git a/modules/audio_processing/audio_processing_impl.cc b/modules/audio_processing/audio_processing_impl.cc
index 526d7d5..ddea435 100644
--- a/modules/audio_processing/audio_processing_impl.cc
+++ b/modules/audio_processing/audio_processing_impl.cc
@@ -1866,9 +1866,8 @@
 void AudioProcessingImpl::InitializeResidualEchoDetector() {
   RTC_DCHECK(private_submodules_->echo_detector);
   private_submodules_->echo_detector->Initialize(
-      proc_sample_rate_hz(), num_proc_channels(),
-      formats_.render_processing_format.sample_rate_hz(),
-      formats_.render_processing_format.num_channels());
+      proc_sample_rate_hz(), 1,
+      formats_.render_processing_format.sample_rate_hz(), 1);
 }
 
 void AudioProcessingImpl::InitializePostProcessor() {