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/*
* 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 "api/array_view.h"
#include "modules/audio_processing/audio_buffer.h"
#include "modules/audio_processing/gain_control_impl.h"
#include "modules/audio_processing/test/audio_buffer_tools.h"
#include "modules/audio_processing/test/bitexactness_tools.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
const int kNumFramesToProcess = 100;
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();
}
std::vector<int16_t> render_audio;
GainControlImpl::PackRenderAudioBuffer(*render_audio_buffer, &render_audio);
gain_controller->ProcessRenderAudio(render_audio);
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->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) {
GainControlImpl gain_controller;
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);
AudioBuffer render_buffer(
render_config.sample_rate_hz(), render_config.num_channels(),
render_config.sample_rate_hz(), 1, render_config.sample_rate_hz(), 1);
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);
AudioBuffer capture_buffer(
capture_config.sample_rate_hz(), capture_config.num_channels(),
capture_config.sample_rate_hz(), 1, capture_config.sample_rate_hz(), 1);
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 kElementErrorBound = 1.0f / 32768.0f;
EXPECT_TRUE(test::VerifyDeinterleavedArray(
capture_config.num_frames(), capture_config.num_channels(),
output_reference, capture_output, kElementErrorBound));
}
} // namespace
// TODO(peah): Activate all these tests for ARM and ARM64 once the issue on the
// Chromium ARM and ARM64 boths have been identified. This is tracked in the
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.006561f, -0.004608f, -0.002899f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Stereo16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Stereo16kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.027313f, -0.015900f, -0.028107f,
-0.027313f, -0.015900f, -0.028107f};
RunBitExactnessTest(16000, 2, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono32kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono32kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.010162f, -0.009155f, -0.008301f};
RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono48kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono48kHz_AdaptiveAnalog_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.010162f, -0.009155f, -0.008301f};
RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.003967f, -0.002777f, -0.001770f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Stereo16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Stereo16kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.015411f, -0.008972f, -0.015839f,
-0.015411f, -0.008972f, -0.015839f};
RunBitExactnessTest(16000, 2, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono32kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono32kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.006134f, -0.005524f, -0.005005f};
RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono48kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono48kHz_AdaptiveDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.006134f, -0.005524f, -0.005005};
RunBitExactnessTest(32000, 1, GainControl::Mode::kAdaptiveDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.011749f, -0.008270f, -0.005219f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Stereo16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Stereo16kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.048896f, -0.028479f, -0.050345f,
-0.048896f, -0.028479f, -0.050345f};
RunBitExactnessTest(16000, 2, GainControl::Mode::kFixedDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono32kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono32kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.018158f, -0.016357f, -0.014832f};
RunBitExactnessTest(32000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono48kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono48kHz_FixedDigital_Tl10_SL50_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 50;
const float kOutputReference[] = {-0.018158f, -0.016357f, -0.014832f};
RunBitExactnessTest(32000, 1, GainControl::Mode::kFixedDigital, 10, 50, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveAnalog_Tl10_SL10_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveAnalog_Tl10_SL10_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 12;
const float kOutputReference[] = {-0.006561f, -0.004608f, -0.002899f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 10, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveAnalog_Tl10_SL100_CG5_Lim_AL70_80) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveAnalog_Tl10_SL100_CG5_Lim_AL70_80) {
#endif
const int kStreamAnalogLevelReference = 100;
const float kOutputReference[] = {-0.003998f, -0.002808f, -0.001770f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveAnalog, 10, 100, 5,
true, 70, 80, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveDigital_Tl10_SL100_CG5_NoLim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveDigital_Tl10_SL100_CG5_NoLim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 100;
const float kOutputReference[] = {-0.004028f, -0.002838f, -0.001770f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 100, 5,
false, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveDigital_Tl40_SL100_CG5_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveDigital_Tl40_SL100_CG5_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 100;
const float kOutputReference[] = {-0.008728f, -0.006134f, -0.003845f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 40, 100, 5,
true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
#if !(defined(WEBRTC_ARCH_ARM64) || defined(WEBRTC_ARCH_ARM) || \
defined(WEBRTC_ANDROID))
TEST(GainControlBitExactnessTest,
Mono16kHz_AdaptiveDigital_Tl10_SL100_CG30_Lim_AL0_100) {
#else
TEST(GainControlBitExactnessTest,
DISABLED_Mono16kHz_AdaptiveDigital_Tl10_SL100_CG30_Lim_AL0_100) {
#endif
const int kStreamAnalogLevelReference = 100;
const float kOutputReference[] = {-0.005859f, -0.004120f, -0.002594f};
RunBitExactnessTest(16000, 1, GainControl::Mode::kAdaptiveDigital, 10, 100,
30, true, 0, 100, kStreamAnalogLevelReference,
kOutputReference);
}
} // namespace webrtc