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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/environment.h"
#include "base/macros.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/test/test_message_loop.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "media/audio/audio_device_description.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/test_audio_thread.h"
#include "media/base/media_switches.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
// This class allows to find out if the callbacks are occurring as
// expected and if any error has been reported.
class TestInputCallback : public AudioInputStream::AudioInputCallback {
public:
TestInputCallback(base::OnceClosure quit_closure)
: quit_closure_(std::move(quit_closure)),
callback_count_(0),
had_error_(0) {}
void OnData(const AudioBus* source,
base::TimeTicks capture_time,
double volume) override {
if (!quit_closure_.is_null()) {
++callback_count_;
if (callback_count_ >= 2) {
std::move(quit_closure_).Run();
}
}
}
void OnError() override {
if (!quit_closure_.is_null()) {
++had_error_;
std::move(quit_closure_).Run();
}
}
// Returns how many times OnData() has been called. This should not be called
// until |quit_closure_| has run.
int callback_count() const {
DCHECK(quit_closure_.is_null());
return callback_count_;
}
// Returns how many times the OnError callback was called. This should not be
// called until |quit_closure_| has run.
int had_error() const {
DCHECK(quit_closure_.is_null());
return had_error_;
}
private:
base::OnceClosure quit_closure_;
int callback_count_;
int had_error_;
};
class AudioInputTest : public testing::Test {
public:
AudioInputTest()
: message_loop_(base::MessagePumpType::UI),
audio_manager_(AudioManager::CreateForTesting(
std::make_unique<TestAudioThread>())),
audio_input_stream_(nullptr) {
#if defined(OS_LINUX)
// Due to problems with PulseAudio failing to start, use a fake audio
// stream. https://crbug.com/1047655#c70
base::CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kDisableAudioOutput);
#endif
base::RunLoop().RunUntilIdle();
}
~AudioInputTest() override { audio_manager_->Shutdown(); }
protected:
bool InputDevicesAvailable() {
#if defined(OS_FUCHSIA)
// On Fuchsia HasAudioInputDevices() returns true, but AudioInputStream is
// not implemented. Audio input is implemented in
// FuchsiaAudioCapturerStream. It implements AudioCapturerStream interface
// and runs in the renderer process.
return false;
#else
return AudioDeviceInfoAccessorForTests(audio_manager_.get())
.HasAudioInputDevices();
#endif
}
void MakeAudioInputStreamOnAudioThread() {
RunOnAudioThread(base::BindOnce(&AudioInputTest::MakeAudioInputStream,
base::Unretained(this)));
}
void CloseAudioInputStreamOnAudioThread() {
RunOnAudioThread(base::BindOnce(&AudioInputStream::Close,
base::Unretained(audio_input_stream_)));
audio_input_stream_ = nullptr;
}
void OpenAndCloseAudioInputStreamOnAudioThread() {
RunOnAudioThread(
base::BindOnce(&AudioInputTest::OpenAndClose, base::Unretained(this)));
}
void OpenStopAndCloseAudioInputStreamOnAudioThread() {
RunOnAudioThread(base::BindOnce(&AudioInputTest::OpenStopAndClose,
base::Unretained(this)));
}
void OpenAndStartAudioInputStreamOnAudioThread(
AudioInputStream::AudioInputCallback* sink) {
RunOnAudioThread(base::BindOnce(&AudioInputTest::OpenAndStart,
base::Unretained(this), sink));
}
void StopAndCloseAudioInputStreamOnAudioThread() {
RunOnAudioThread(
base::BindOnce(&AudioInputTest::StopAndClose, base::Unretained(this)));
}
void MakeAudioInputStream() {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
AudioParameters params =
AudioDeviceInfoAccessorForTests(audio_manager_.get())
.GetInputStreamParameters(AudioDeviceDescription::kDefaultDeviceId);
audio_input_stream_ = audio_manager_->MakeAudioInputStream(
params, AudioDeviceDescription::kDefaultDeviceId,
base::BindRepeating(&AudioInputTest::OnLogMessage,
base::Unretained(this)));
EXPECT_TRUE(audio_input_stream_);
}
void OpenAndClose() {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
EXPECT_TRUE(audio_input_stream_->Open());
audio_input_stream_->Close();
audio_input_stream_ = nullptr;
}
void OpenAndStart(AudioInputStream::AudioInputCallback* sink) {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
EXPECT_TRUE(audio_input_stream_->Open());
audio_input_stream_->Start(sink);
}
void OpenStopAndClose() {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
EXPECT_TRUE(audio_input_stream_->Open());
audio_input_stream_->Stop();
audio_input_stream_->Close();
audio_input_stream_ = nullptr;
}
void StopAndClose() {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
audio_input_stream_->Stop();
audio_input_stream_->Close();
audio_input_stream_ = nullptr;
}
// Synchronously runs the provided callback/closure on the audio thread.
void RunOnAudioThread(base::OnceClosure closure) {
DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread());
std::move(closure).Run();
}
void OnLogMessage(const std::string& message) {}
base::TestMessageLoop message_loop_;
std::unique_ptr<AudioManager> audio_manager_;
AudioInputStream* audio_input_stream_;
private:
DISALLOW_COPY_AND_ASSIGN(AudioInputTest);
};
// Test create and close of an AudioInputStream without recording audio.
TEST_F(AudioInputTest, CreateAndClose) {
ABORT_AUDIO_TEST_IF_NOT(InputDevicesAvailable());
MakeAudioInputStreamOnAudioThread();
CloseAudioInputStreamOnAudioThread();
}
// Test create, open and close of an AudioInputStream without recording audio.
TEST_F(AudioInputTest, OpenAndClose) {
ABORT_AUDIO_TEST_IF_NOT(InputDevicesAvailable());
MakeAudioInputStreamOnAudioThread();
OpenAndCloseAudioInputStreamOnAudioThread();
}
// Test create, open, stop and close of an AudioInputStream without recording.
TEST_F(AudioInputTest, OpenStopAndClose) {
ABORT_AUDIO_TEST_IF_NOT(InputDevicesAvailable());
MakeAudioInputStreamOnAudioThread();
OpenStopAndCloseAudioInputStreamOnAudioThread();
}
// Test a normal recording sequence using an AudioInputStream.
// Very simple test which starts capturing and verifies that recording starts.
TEST_F(AudioInputTest, Record) {
ABORT_AUDIO_TEST_IF_NOT(InputDevicesAvailable());
MakeAudioInputStreamOnAudioThread();
base::RunLoop run_loop;
TestInputCallback test_callback(run_loop.QuitClosure());
OpenAndStartAudioInputStreamOnAudioThread(&test_callback);
run_loop.Run();
EXPECT_GE(test_callback.callback_count(), 2);
EXPECT_FALSE(test_callback.had_error());
StopAndCloseAudioInputStreamOnAudioThread();
}
} // namespace media
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