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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <memory>
#include "base/command_line.h"
#include "base/memory/aligned_memory.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/test/test_timeouts.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "media/audio/audio_device_info_accessor_for_tests.h"
#include "media/audio/audio_io.h"
#include "media/audio/audio_manager.h"
#include "media/audio/audio_unittest_util.h"
#include "media/audio/simple_sources.h"
#include "media/audio/test_audio_thread.h"
#include "media/base/limits.h"
#include "media/base/media_switches.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_ANDROID)
#include "media/audio/android/aaudio_stream_wrapper.h"
#include "media/audio/android/audio_manager_android.h"
#endif
namespace media {
class AudioOutputTest : public testing::TestWithParam<bool> {
public:
AudioOutputTest() {
audio_manager_ =
AudioManager::CreateForTesting(std::make_unique<TestAudioThread>());
audio_manager_device_info_ =
std::make_unique<AudioDeviceInfoAccessorForTests>(audio_manager_.get());
#if BUILDFLAG(IS_ANDROID)
// The only parameter is used to enable/disable AAudio.
should_use_aaudio_ = GetParam();
if (should_use_aaudio_) {
if (__builtin_available(android AAUDIO_MIN_API, *)) {
aaudio_is_supported_ = true;
}
}
#endif
base::RunLoop().RunUntilIdle();
}
~AudioOutputTest() override {
if (stream_)
stream_->Close();
audio_manager_->Shutdown();
}
void CreateWithDefaultParameters() {
std::string default_device_id =
audio_manager_device_info_->GetDefaultOutputDeviceID();
stream_params_ = audio_manager_device_info_->GetOutputStreamParameters(
default_device_id);
stream_ = audio_manager_->MakeAudioOutputStream(
stream_params_, std::string(), AudioManager::LogCallback());
}
// Runs message loop for the specified amount of time.
void RunMessageLoop(base::TimeDelta delay) {
base::RunLoop run_loop;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), delay);
run_loop.Run();
}
protected:
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::SingleThreadTaskEnvironment::MainThreadType::IO};
std::unique_ptr<AudioManager> audio_manager_;
std::unique_ptr<AudioDeviceInfoAccessorForTests> audio_manager_device_info_;
AudioParameters stream_params_;
raw_ptr<AudioOutputStream, DanglingUntriaged> stream_ = nullptr;
bool should_use_aaudio_ = false;
bool aaudio_is_supported_ = false;
};
// Test that can it be created and closed.
TEST_P(AudioOutputTest, GetAndClose) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
CreateWithDefaultParameters();
ASSERT_TRUE(stream_);
}
// Test that it can be opened and closed.
TEST_P(AudioOutputTest, OpenAndClose) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
CreateWithDefaultParameters();
ASSERT_TRUE(stream_);
EXPECT_TRUE(stream_->Open());
}
// Verify that Stop() can be called before Start().
TEST_P(AudioOutputTest, StopBeforeStart) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
CreateWithDefaultParameters();
EXPECT_TRUE(stream_->Open());
stream_->Stop();
}
// Verify that Stop() can be called more than once.
TEST_P(AudioOutputTest, StopTwice) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
CreateWithDefaultParameters();
EXPECT_TRUE(stream_->Open());
SineWaveAudioSource source(1, 200.0, stream_params_.sample_rate());
stream_->Start(&source);
stream_->Stop();
stream_->Stop();
}
// This test produces actual audio for .25 seconds on the default device.
#if BUILDFLAG(IS_IOS)
// TODO(crbug.com/40283968): audio output unit startup fails with partition
// alloc.
#define MAYBE_Play200HzTone DISABLED_Play200HzTone
#else
#define MAYBE_Play200HzTone Play200HzTone
#endif
TEST_P(AudioOutputTest, MAYBE_Play200HzTone) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
std::string default_device_id =
audio_manager_device_info_->GetDefaultOutputDeviceID();
stream_params_ =
audio_manager_device_info_->GetOutputStreamParameters(default_device_id);
stream_ = audio_manager_->MakeAudioOutputStream(stream_params_, std::string(),
AudioManager::LogCallback());
ASSERT_TRUE(stream_);
SineWaveAudioSource source(1, 200.0, stream_params_.sample_rate());
// Play for 100ms.
const int samples_to_play = stream_params_.sample_rate() / 10;
EXPECT_TRUE(stream_->Open());
stream_->SetVolume(1.0);
// Play the stream until position gets past |samples_to_play|.
base::RunLoop run_loop;
bool got_enough_samples = false;
source.set_on_more_data_callback(base::BindLambdaForTesting(
[&source, &run_loop, samples_to_play, &got_enough_samples]() {
if (source.pos_samples() >= samples_to_play && !got_enough_samples) {
got_enough_samples = true;
run_loop.Quit();
}
}));
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), TestTimeouts::action_timeout());
stream_->Start(&source);
run_loop.Run();
stream_->Stop();
EXPECT_FALSE(source.errors());
EXPECT_GE(source.callbacks(), 1);
EXPECT_GE(source.pos_samples(), samples_to_play);
}
// Test that SetVolume() and GetVolume() work as expected.
TEST_P(AudioOutputTest, VolumeControl) {
if (should_use_aaudio_ && !aaudio_is_supported_)
return;
ABORT_AUDIO_TEST_IF_NOT(audio_manager_device_info_->HasAudioOutputDevices());
CreateWithDefaultParameters();
ASSERT_TRUE(stream_);
EXPECT_TRUE(stream_->Open());
double volume = 0.0;
stream_->GetVolume(&volume);
EXPECT_EQ(volume, 1.0);
stream_->SetVolume(0.5);
stream_->GetVolume(&volume);
EXPECT_LT(volume, 0.51);
EXPECT_GT(volume, 0.49);
stream_->Stop();
}
// The test parameter is only relevant on Android. It controls whether or not we
// allow the use of AAudio.
INSTANTIATE_TEST_SUITE_P(Base, AudioOutputTest, testing::Values(false));
#if BUILDFLAG(IS_ANDROID)
// Run tests with AAudio enabled. On Android P and below, these tests should not
// run, as we only use AAudio on Q+.
INSTANTIATE_TEST_SUITE_P(AAudio, AudioOutputTest, testing::Values(true));
#endif
} // namespace media
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