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Unified Diff: webrtc/modules/audio_processing/gain_control_unittest.cc

Issue 1829323002: Revert of Added a bitexactness test for the gain controller in the audio processing module. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@AecmBitExactness_CL
Patch Set: Created 4 years, 9 months ago
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Index: webrtc/modules/audio_processing/gain_control_unittest.cc
diff --git a/webrtc/modules/audio_processing/gain_control_unittest.cc b/webrtc/modules/audio_processing/gain_control_unittest.cc
deleted file mode 100644
index 9436ffc1d963c2de4131e5e5f7b1586fb3819894..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/gain_control_unittest.cc
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-#include <vector>
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/base/array_view.h"
-#include "webrtc/modules/audio_processing/audio_buffer.h"
-#include "webrtc/modules/audio_processing/gain_control_impl.h"
-#include "webrtc/modules/audio_processing/test/audio_buffer_tools.h"
-#include "webrtc/modules/audio_processing/test/bitexactness_tools.h"
-
-namespace webrtc {
-namespace {
-
-const int kNumFramesToProcess = 1000;
-
-void ProcessOneFrame(int sample_rate_hz,
- AudioBuffer* render_audio_buffer,
- AudioBuffer* capture_audio_buffer,
- GainControlImpl* gain_controller) {
- if (sample_rate_hz > AudioProcessing::kSampleRate16kHz) {
- render_audio_buffer->SplitIntoFrequencyBands();
- capture_audio_buffer->SplitIntoFrequencyBands();
- }
-
- gain_controller->ProcessRenderAudio(render_audio_buffer);
- gain_controller->AnalyzeCaptureAudio(capture_audio_buffer);
- gain_controller->ProcessCaptureAudio(capture_audio_buffer, false);
-
- if (sample_rate_hz > AudioProcessing::kSampleRate16kHz) {
- capture_audio_buffer->MergeFrequencyBands();
- }
-}
-
-void SetupComponent(int sample_rate_hz,
- GainControl::Mode mode,
- int target_level_dbfs,
- int stream_analog_level,
- int compression_gain_db,
- bool enable_limiter,
- int analog_level_min,
- int analog_level_max,
- GainControlImpl* gain_controller) {
- gain_controller->Initialize(1, sample_rate_hz);
- GainControl* gc = static_cast<GainControl*>(gain_controller);
- gc->Enable(true);
- gc->set_mode(mode);
- gc->set_stream_analog_level(stream_analog_level);
- gc->set_target_level_dbfs(target_level_dbfs);
- gc->set_compression_gain_db(compression_gain_db);
- gc->enable_limiter(enable_limiter);
- gc->set_analog_level_limits(analog_level_min, analog_level_max);
-}
-
-void RunBitExactnessTest(int sample_rate_hz,
- size_t num_channels,
- GainControl::Mode mode,
- int target_level_dbfs,
- int stream_analog_level,
- int compression_gain_db,
- bool enable_limiter,
- int analog_level_min,
- int analog_level_max,
- int achieved_stream_analog_level_reference,
- rtc::ArrayView<const float> output_reference) {
- rtc::CriticalSection crit_render;
- rtc::CriticalSection crit_capture;
- GainControlImpl gain_controller(&crit_render, &crit_capture);
- SetupComponent(sample_rate_hz, mode, target_level_dbfs, stream_analog_level,
- compression_gain_db, enable_limiter, analog_level_min,
- analog_level_max, &gain_controller);
-
- const int samples_per_channel = rtc::CheckedDivExact(sample_rate_hz, 100);
- const StreamConfig render_config(sample_rate_hz, num_channels, false);
- AudioBuffer render_buffer(
- render_config.num_frames(), render_config.num_channels(),
- render_config.num_frames(), 1, render_config.num_frames());
- test::InputAudioFile render_file(
- test::GetApmRenderTestVectorFileName(sample_rate_hz));
- std::vector<float> render_input(samples_per_channel * num_channels);
-
- const StreamConfig capture_config(sample_rate_hz, num_channels, false);
- AudioBuffer capture_buffer(
- capture_config.num_frames(), capture_config.num_channels(),
- capture_config.num_frames(), 1, capture_config.num_frames());
- test::InputAudioFile capture_file(
- test::GetApmCaptureTestVectorFileName(sample_rate_hz));
- std::vector<float> capture_input(samples_per_channel * num_channels);
-
- for (int frame_no = 0; frame_no < kNumFramesToProcess; ++frame_no) {
- ReadFloatSamplesFromStereoFile(samples_per_channel, num_channels,
- &render_file, render_input);
- ReadFloatSamplesFromStereoFile(samples_per_channel, num_channels,
- &capture_file, capture_input);
-
- test::CopyVectorToAudioBuffer(render_config, render_input, &render_buffer);
- test::CopyVectorToAudioBuffer(capture_config, capture_input,
- &capture_buffer);
-
- ProcessOneFrame(sample_rate_hz, &render_buffer, &capture_buffer,
- &gain_controller);
- }
-
- // Extract and verify the test results.
- std::vector<float> capture_output;
- test::ExtractVectorFromAudioBuffer(capture_config, &capture_buffer,
- &capture_output);
-
- EXPECT_EQ(achieved_stream_analog_level_reference,
- gain_controller.stream_analog_level());
-
- // Compare the output with the reference. Only the first values of the output
- // from last frame processed are compared in order not having to specify all
- // preceeding frames as testvectors. As the algorithm being tested has a
- // memory, testing only the last frame implicitly also tests the preceeding
- // frames.
- const float kTolerance = 1.0f / 32768.0f;
- EXPECT_TRUE(test::BitExactFrame(
- capture_config.num_frames(), capture_config.num_channels(),
- output_reference, capture_output, kTolerance));
-}
-
-} // namespace
-
-TEST(GainControlBitExactnessTest,
- Mono8kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.004578f, -0.003998f, -0.002991f};
- RunBitExactnessTest(8000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.004303f, -0.004150f, -0.004089f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Stereo16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.010254f, -0.004761f, -0.009918f,
- -0.010254f, -0.004761f, -0.009918f};
- RunBitExactnessTest(16000, 2, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono32kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.005554f, -0.005066f, -0.004242f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono48kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.005554f, -0.005066f, -0.004242f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono8kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.014221f, -0.012421f, -0.009308f};
- RunBitExactnessTest(8000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.014923f, -0.014404f, -0.014191f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Stereo16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.009796f, -0.004547f, -0.009460f,
- -0.009796f, -0.004547f, -0.009460f};
- RunBitExactnessTest(16000, 2, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono32kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.019287f, -0.017578f, -0.014709f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono48kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.019287f, -0.017578f, -0.014709f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono8kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.008209f, -0.007172f, -0.005371f};
- RunBitExactnessTest(8000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.007721f, -0.007446f, -0.007355f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Stereo16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.018402f, -0.008545f, -0.017792f,
- -0.018402f, -0.008545f, -0.017792f};
- RunBitExactnessTest(16000, 2, GainControl::Mode::kFixedDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono32kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.009979f, -0.009064f, -0.007629f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono48kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 50;
- const float kOutputReference[] = {-0.009979f, -0.009064f, -0.007629f};
- RunBitExactnessTest(32000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveAnalog_Tl10_SL10_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 12;
- const float kOutputReference[] = {-0.004303f, -0.004150f, -0.004089f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 10, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveAnalog_Tl10_SL100_CG5_Lim_AL70_80) {
- const int kStreamAnalogLevelReference = 100;
- const float kOutputReference[] = {-0.004303f, -0.004150f, -0.004089f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 100, 5,
- true, 70, 80, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveDigital_Tl10_SL100_CG5_NoLim_AL0_100) {
- const int kStreamAnalogLevelReference = 100;
- const float kOutputReference[] = {-0.014923f, -0.014404f, -0.014191f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 100, 5,
- false, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveDigital_Tl40_SL100_CG5_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 100;
- const float kOutputReference[] = {-0.020721f, -0.019989f, -0.019714f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 40, 100, 5,
- true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-TEST(GainControlBitExactnessTest,
- Mono16kHz_AdaptiveDigital_Tl10_SL100_CG30_Lim_AL0_100) {
- const int kStreamAnalogLevelReference = 100;
- const float kOutputReference[] = {-0.020416f, -0.019714f, -0.019409f};
- RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 100,
- 30, true, 0, 100, kStreamAnalogLevelReference,
- kOutputReference);
-}
-
-} // namespace webrtc
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