chromium/media/base/audio_buffer_converter_unittest.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/base/audio_buffer_converter.h"

#include <stdint.h>

#include <memory>

#include "media/base/audio_buffer.h"
#include "media/base/sinc_resampler.h"
#include "media/base/test_helpers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace media {

// Important: Use an odd buffer size here so SIMD issues are caught.
const int kOutFrameSize = …;
const int kOutSampleRate = …;
constexpr ChannelLayout kOutChannelLayout = …;
const int kOutChannelCount = …;

static scoped_refptr<AudioBuffer> MakeTestBuffer(int sample_rate,
                                                 ChannelLayout channel_layout,
                                                 int channel_count,
                                                 int frames) { … }

class AudioBufferConverterTest : public ::testing::Test { … };

TEST_F(AudioBufferConverterTest, PassThrough) { … }

TEST_F(AudioBufferConverterTest, Downsample) { … }

TEST_F(AudioBufferConverterTest, Upsample) { … }

// Test resampling a buffer smaller than the SincResampler's kernel size.
TEST_F(AudioBufferConverterTest, Resample_TinyBuffer) { … }

TEST_F(AudioBufferConverterTest, Resample_DifferingBufferSizes) { … }

TEST_F(AudioBufferConverterTest, ChannelDownmix) { … }

TEST_F(AudioBufferConverterTest, ChannelUpmix) { … }

TEST_F(AudioBufferConverterTest, ResampleAndRemix) { … }

TEST_F(AudioBufferConverterTest, ConfigChange_SampleRate) { … }

TEST_F(AudioBufferConverterTest, ConfigChange_ChannelLayout) { … }

TEST_F(AudioBufferConverterTest, ConfigChange_SampleRateAndChannelLayout) { … }

TEST_F(AudioBufferConverterTest, ConfigChange_Multiple) { … }

TEST_F(AudioBufferConverterTest, Reset) { … }

TEST_F(AudioBufferConverterTest, ResampleThenReset) { … }

TEST_F(AudioBufferConverterTest, ResetThenConvert) { … }

TEST_F(AudioBufferConverterTest, DiscreteChannelLayout) { … }

TEST_F(AudioBufferConverterTest, LargeBuffersResampling) { … }

}  // namespace media