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Make the echo detector injectable.

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This adds a generic interface for an echo detector, and makes it possible to inject one into the audio processing module.

Bug: webrtc:8732
Change-Id: I30d97aeb829307b2ae9c4dbeb9a3e15ab7ec0912
Reviewed-on: https://webrtc-review.googlesource.com/38900
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21588}
This commit is contained in:
Ivo Creusen
2018-01-11 16:08:54 +01:00
committed by Commit Bot
parent 02879f9990
commit 09fa4b04dd
6 changed files with 104 additions and 44 deletions
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12
modules/audio_processing/residual_echo_detector_unittest.cc
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@ -37,7 +37,8 @@ TEST(ResidualEchoDetectorTests, Echo) {
}
}
// We expect to detect echo with near certain likelihood.
EXPECT_NEAR(1.f, echo_detector.echo_likelihood(), 0.01f);
auto ed_metrics = echo_detector.GetMetrics();
EXPECT_NEAR(1.f, ed_metrics.echo_likelihood, 0.01f);
}
TEST(ResidualEchoDetectorTests, NoEcho) {
@ -57,7 +58,8 @@ TEST(ResidualEchoDetectorTests, NoEcho) {
echo_detector.AnalyzeCaptureAudio(zeros);
}
// We expect to not detect any echo.
EXPECT_NEAR(0.f, echo_detector.echo_likelihood(), 0.01f);
auto ed_metrics = echo_detector.GetMetrics();
EXPECT_NEAR(0.f, ed_metrics.echo_likelihood, 0.01f);
}
TEST(ResidualEchoDetectorTests, EchoWithRenderClockDrift) {
@ -92,7 +94,8 @@ TEST(ResidualEchoDetectorTests, EchoWithRenderClockDrift) {
// A growing buffer can be caused by jitter or clock drift and it's not
// possible to make this decision right away. For this reason we only expect
// an echo likelihood of 75% in this test.
EXPECT_GT(echo_detector.echo_likelihood(), 0.75f);
auto ed_metrics = echo_detector.GetMetrics();
EXPECT_GT(ed_metrics.echo_likelihood, 0.75f);
}
TEST(ResidualEchoDetectorTests, EchoWithCaptureClockDrift) {
@ -122,7 +125,8 @@ TEST(ResidualEchoDetectorTests, EchoWithCaptureClockDrift) {
}
}
// We expect to detect echo with near certain likelihood.
EXPECT_NEAR(1.f, echo_detector.echo_likelihood(), 0.01f);
auto ed_metrics = echo_detector.GetMetrics();
EXPECT_NEAR(1.f, ed_metrics.echo_likelihood, 0.01f);
}
} // namespace webrtc