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media / mojo / common / audio_data_s16_converter_unittest.cc [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "media/mojo/common/audio_data_s16_converter.h"
#include <memory>
#include "media/base/audio_buffer.h"
#include "media/base/audio_bus.h"
#include "media/base/audio_sample_types.h"
#include "media/base/sample_format.h"
#include "media/base/test_helpers.h"
#include "media/mojo/common/media_type_converters.h"
#include "media/mojo/mojom/audio_data.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace {
static const int kTestVectorSize = 10;
static const int kSampleRate = 48000;
static const int16_t kTestVectorContents[kTestVectorSize] = {
INT16_MIN, 0, INT16_MAX, INT16_MIN, INT16_MAX / 2,
INT16_MIN / 2, 0, INT16_MAX, 0, 0};
static const int16_t kExpectedMixedVectorContents[kTestVectorSize / 2] = {
INT16_MIN / 2, 0, 0, INT16_MAX / 2, 0};
} // namespace
class AudioDataS16ConverterTest : public testing::Test {
public:
AudioDataS16ConverterTest();
~AudioDataS16ConverterTest() override = default;
protected:
std::unique_ptr<AudioDataS16Converter> converter_;
};
AudioDataS16ConverterTest::AudioDataS16ConverterTest() {
converter_ = std::make_unique<AudioDataS16Converter>();
}
TEST_F(AudioDataS16ConverterTest, ConvertToAudioDataS16_MONO) {
// Set up original audio bus.
std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(1, kTestVectorSize);
audio_bus->FromInterleaved<SignedInt16SampleTypeTraits>(kTestVectorContents,
kTestVectorSize);
// Convert.
mojom::AudioDataS16Ptr result = converter_->ConvertToAudioDataS16(
*audio_bus, kSampleRate, CHANNEL_LAYOUT_MONO, false);
// Compare.
for (int i = 0; i < result->frame_count; i++) {
ASSERT_EQ(kTestVectorContents[i], result->data[i]);
}
}
TEST_F(AudioDataS16ConverterTest, ConvertToAudioDataS16_STEREO) {
// Set up original audio bus.
std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(2, kTestVectorSize);
audio_bus->FromInterleaved<SignedInt16SampleTypeTraits>(kTestVectorContents,
kTestVectorSize / 2);
// Mix and convert.
mojom::AudioDataS16Ptr result = converter_->ConvertToAudioDataS16(
*audio_bus, kSampleRate, CHANNEL_LAYOUT_STEREO, false);
// Compare.
ASSERT_EQ(1, result->channel_count);
for (int i = 0; i < kTestVectorSize / 2; i++) {
ASSERT_EQ(kExpectedMixedVectorContents[i], result->data[i]);
}
}
} // namespace media