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Add AudioProcessingCaptureStats and a level estimator replacement

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This adds an interface for accessing stats on the capture stream, and
adds a level estimator to report one of the stats.

Bug: webrtc:9947
Change-Id: Id472534fa2e04d46c9ab700671f620584a246afb
Reviewed-on: https://webrtc-review.googlesource.com/c/109587
Commit-Queue: Sam Zackrisson <saza@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25786}
This commit is contained in:
Sam Zackrisson
2018-11-26 16:18:25 +01:00
committed by Commit Bot
parent 2918d4e309
commit b24c00f02d
5 changed files with 109 additions and 40 deletions
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38
modules/audio_processing/audio_processing_unittest.cc
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@ -2801,4 +2801,42 @@ TEST(MAYBE_ApmStatistics, AECMEnabledTest) {
EXPECT_FALSE(stats.delay_median_ms);
EXPECT_FALSE(stats.delay_standard_deviation_ms);
}
TEST(ApmStatistics, ReportOutputRmsDbfs) {
ProcessingConfig processing_config = {
{{32000, 1}, {32000, 1}, {32000, 1}, {32000, 1}}};
AudioProcessing::Config config;
// Set up an audioframe.
AudioFrame frame;
frame.num_channels_ = 1;
SetFrameSampleRate(&frame, AudioProcessing::NativeRate::kSampleRate48kHz);
// Fill the audio frame with a sawtooth pattern.
int16_t* ptr = frame.mutable_data();
for (size_t i = 0; i < frame.kMaxDataSizeSamples; i++) {
ptr[i] = 10000 * ((i % 3) - 1);
}
std::unique_ptr<AudioProcessing> apm(AudioProcessingBuilder().Create());
apm->Initialize(processing_config);
// If not enabled, no metric should be reported.
EXPECT_EQ(apm->ProcessStream(&frame), 0);
EXPECT_FALSE(apm->GetStatistics(false).output_rms_dbfs);
// If enabled, metrics should be reported.
config.level_estimation.enabled = true;
apm->ApplyConfig(config);
EXPECT_EQ(apm->ProcessStream(&frame), 0);
auto stats = apm->GetStatistics(false);
EXPECT_TRUE(stats.output_rms_dbfs);
EXPECT_GE(*stats.output_rms_dbfs, 0);
// If re-disabled, the value is again not reported.
config.level_estimation.enabled = false;
apm->ApplyConfig(config);
EXPECT_EQ(apm->ProcessStream(&frame), 0);
EXPECT_FALSE(apm->GetStatistics(false).output_rms_dbfs);
}
} // namespace webrtc