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AEC3: Add multichannel support to the residual echo estimator

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This CL adds support for multichannel in the residual echo
estimator code. It also adds placeholder functionality in
the surrounding code to ensure that the residual echo
estimator receives the require inputs.

The changes in the CL has been shown to be bitexact on a
large set of mono recordings.

Bug: webrtc:10913
Change-Id: I726128ca928648b1dcf36c5f479eb243f3ff3f96
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155361
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29400}
This commit is contained in:
Per Åhgren
2019-10-08 12:35:47 +02:00
committed by Commit Bot
parent 7e6abf0053
commit b4161d3c0d
20 changed files with 437 additions and 371 deletions
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4
modules/audio_processing/aec3/aec_state_unittest.cc
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@ -170,7 +170,7 @@ void RunNormalUsageTest(size_t num_render_channels,
{
// Note that the render spectrum is built so it does not have energy in
// the odd bands but just in the even bands.
const auto& erle = state.Erle();
const auto& erle = state.Erle()[0];
EXPECT_EQ(erle[0], erle[1]);
constexpr size_t kLowFrequencyLimit = 32;
for (size_t k = 2; k < kLowFrequencyLimit; k = k + 2) {
@ -195,7 +195,7 @@ void RunNormalUsageTest(size_t num_render_channels,
ASSERT_TRUE(state.UsableLinearEstimate());
{
const auto& erle = state.Erle();
const auto& erle = state.Erle()[0];
EXPECT_EQ(erle[0], erle[1]);
constexpr size_t kLowFrequencyLimit = 32;
for (size_t k = 1; k < kLowFrequencyLimit; ++k) {