Revert of Switch to STA mode for audio thread and WASAPI I/O streams.

media/audio/win/audio_low_latency_output_win_unittest.cc

 // 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 <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
-#include "base/bind.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/test/test_timeouts.h"
 #include "base/time/time.h"
 #include "base/win/scoped_com_initializer.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager.h"
@@ skipping 200 matching lines @@
 };
 
 // Convenience method which creates a default AudioOutputStream object.
 static AudioOutputStream* CreateDefaultAudioOutputStream(
     AudioManager* audio_manager) {
   AudioOutputStreamWrapper aosw(audio_manager);
   AudioOutputStream* aos = aosw.Create();
   return aos;
 }
 
-class WASAPIAudioOutputStreamTest : public testing::Test {
- public:
-  WASAPIAudioOutputStreamTest()
-      : audio_manager_(AudioManager::CreateForTesting()) {}
-  ~WASAPIAudioOutputStreamTest() override {}
-
- protected:
-  ScopedCOMInitializer com_init_;
-  scoped_ptr<AudioManager> audio_manager_;
-};
-
 // Verify that we can retrieve the current hardware/mixing sample rate
 // for the default audio device.
 // TODO(henrika): modify this test when we support full device enumeration.
-TEST_F(WASAPIAudioOutputStreamTest, HardwareSampleRate) {
+TEST(WASAPIAudioOutputStreamTest, HardwareSampleRate) {
   // Skip this test in exclusive mode since the resulting rate is only utilized
   // for shared mode streams.
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()) &&
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
   // Default device intended for games, system notification sounds,
   // and voice commands.
   int fs = static_cast<int>(
       WASAPIAudioOutputStream::HardwareSampleRate(std::string()));
   EXPECT_GE(fs, 0);
 }
 
 // Test Create(), Close() calling sequence.
-TEST_F(WASAPIAudioOutputStreamTest, CreateAndClose) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+TEST(WASAPIAudioOutputStreamTest, CreateAndClose) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
   aos->Close();
 }
 
 // Test Open(), Close() calling sequence.
-TEST_F(WASAPIAudioOutputStreamTest, OpenAndClose) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+TEST(WASAPIAudioOutputStreamTest, OpenAndClose) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
   EXPECT_TRUE(aos->Open());
   aos->Close();
 }
 
 // Test Open(), Start(), Close() calling sequence.
-TEST_F(WASAPIAudioOutputStreamTest, OpenStartAndClose) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+TEST(WASAPIAudioOutputStreamTest, OpenStartAndClose) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
   EXPECT_TRUE(aos->Open());
   MockAudioSourceCallback source;
   EXPECT_CALL(source, OnError(aos))
       .Times(0);
   aos->Start(&source);
   aos->Close();
 }
 
 // Test Open(), Start(), Stop(), Close() calling sequence.
-TEST_F(WASAPIAudioOutputStreamTest, OpenStartStopAndClose) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+TEST(WASAPIAudioOutputStreamTest, OpenStartStopAndClose) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
   EXPECT_TRUE(aos->Open());
   MockAudioSourceCallback source;
   EXPECT_CALL(source, OnError(aos))
       .Times(0);
   aos->Start(&source);
   aos->Stop();
   aos->Close();
 }
 
 // Test SetVolume(), GetVolume()
-TEST_F(WASAPIAudioOutputStreamTest, Volume) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+TEST(WASAPIAudioOutputStreamTest, Volume) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
 
   // Initial volume should be full volume (1.0).
   double volume = 0.0;
   aos->GetVolume(&volume);
   EXPECT_EQ(1.0, volume);
 
   // Verify some valid volume settings.
   aos->SetVolume(0.0);
   aos->GetVolume(&volume);
   EXPECT_EQ(0.0, volume);
@@ skipping 12 matching lines @@
   EXPECT_EQ(1.0, volume);
 
   aos->SetVolume(-0.5);
   aos->GetVolume(&volume);
   EXPECT_EQ(1.0, volume);
 
   aos->Close();
 }
 
 // Test some additional calling sequences.
-TEST_F(WASAPIAudioOutputStreamTest, MiscCallingSequences) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
+TEST(WASAPIAudioOutputStreamTest, MiscCallingSequences) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
 
-  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager_.get());
+  AudioOutputStream* aos = CreateDefaultAudioOutputStream(audio_manager.get());
   WASAPIAudioOutputStream* waos = static_cast<WASAPIAudioOutputStream*>(aos);
 
   // Open(), Open() is a valid calling sequence (second call does nothing).
   EXPECT_TRUE(aos->Open());
   EXPECT_TRUE(aos->Open());
 
   MockAudioSourceCallback source;
 
   // Start(), Start() is a valid calling sequence (second call does nothing).
   aos->Start(&source);
@@ skipping 14 matching lines @@
   EXPECT_FALSE(waos->started());
   aos->Start(&source);
   EXPECT_TRUE(waos->started());
   aos->Stop();
   EXPECT_FALSE(waos->started());
 
   aos->Close();
 }
 
 // Use preferred packet size and verify that rendering starts.
-TEST_F(WASAPIAudioOutputStreamTest, ValidPacketSize) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
+TEST(WASAPIAudioOutputStreamTest, ValidPacketSize) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
 
   base::MessageLoopForUI loop;
   MockAudioSourceCallback source;
 
   // Create default WASAPI output stream which plays out in stereo using
   // the shared mixing rate. The default buffer size is 10ms.
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
   AudioOutputStream* aos = aosw.Create();
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32 bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
       (aosw.bits_per_sample() / 8);
 
   // Wait for the first callback and verify its parameters.
   EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet)))
       .WillOnce(DoAll(
           QuitLoop(loop.message_loop_proxy()),
           Return(aosw.samples_per_packet())));
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                        TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 // This test is intended for manual tests and should only be enabled
 // when it is required to play out data from a local PCM file.
 // By default, GTest will print out YOU HAVE 1 DISABLED TEST.
 // To include disabled tests in test execution, just invoke the test program
 // with --gtest_also_run_disabled_tests or set the GTEST_ALSO_RUN_DISABLED_TESTS
 // environment variable to a value greater than 0.
 // The test files are approximately 20 seconds long.
-TEST_F(WASAPIAudioOutputStreamTest, DISABLED_ReadFromStereoFile) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()));
+TEST(WASAPIAudioOutputStreamTest, DISABLED_ReadFromStereoFile) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
 
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
   AudioOutputStream* aos = aosw.Create();
   EXPECT_TRUE(aos->Open());
 
   std::string file_name;
   if (aosw.sample_rate() == 48000) {
     file_name = kSpeechFile_16b_s_48k;
   } else if (aosw.sample_rate() == 44100) {
     file_name = kSpeechFile_16b_s_44k;
   } else if (aosw.sample_rate() == 96000) {
     // Use 48kHz file at 96kHz as well. Will sound like Donald Duck.
@@ skipping 24 matching lines @@
   }
 
   DVLOG(0) << ">> Stereo file playout has stopped.";
   aos->Close();
 }
 
 // Verify that we can open the output stream in exclusive mode using a
 // certain set of audio parameters and a sample rate of 48kHz.
 // The expected outcomes of each setting in this test has been derived
 // manually using log outputs (--v=1).
-TEST_F(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt48kHz) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()) &&
+TEST(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt48kHz) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
 
   // 10ms @ 48kHz shall work.
   // Note that, this is the same size as we can use for shared-mode streaming
   // but here the endpoint buffer delay is only 10ms instead of 20ms.
   AudioOutputStream* aos = aosw.Create(48000, 480);
   EXPECT_TRUE(aos->Open());
   aos->Close();
 
   // 5ms @ 48kHz does not work due to misalignment.
   // This test will propose an aligned buffer size of 5.3333ms.
@@ skipping 22 matching lines @@
   // 3.3333ms @ 48kHz <=> smallest possible buffer size we can use.
   aos = aosw.Create(48000, 160);
   EXPECT_TRUE(aos->Open());
   aos->Close();
 }
 
 // Verify that we can open the output stream in exclusive mode using a
 // certain set of audio parameters and a sample rate of 44.1kHz.
 // The expected outcomes of each setting in this test has been derived
 // manually using log outputs (--v=1).
-TEST_F(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt44kHz) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()) &&
+TEST(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt44kHz) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
 
   // 10ms @ 44.1kHz does not work due to misalignment.
   // This test will propose an aligned buffer size of 10.1587ms.
   AudioOutputStream* aos = aosw.Create(44100, 441);
   EXPECT_FALSE(aos->Open());
   aos->Close();
 
   // 10.1587ms @ 44.1kHz shall work (see test above).
   aos = aosw.Create(44100, 448);
   EXPECT_TRUE(aos->Open());
@@ skipping 29 matching lines @@
   aos->Close();
 
   // 3.6281ms @ 44.1kHz <=> smallest possible buffer size we can use.
   aos = aosw.Create(44100, 160);
   EXPECT_TRUE(aos->Open());
   aos->Close();
 }
 
 // Verify that we can open and start the output stream in exclusive mode at
 // the lowest possible delay at 48kHz.
-TEST_F(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt48kHz) {
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager_.get()) &&
+TEST(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt48kHz) {
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
   base::MessageLoopForUI loop;
   MockAudioSourceCallback source;
 
   // Create exclusive-mode WASAPI output stream which plays out in stereo
   // using the minimum buffer size at 48kHz sample rate.
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
   AudioOutputStream* aos = aosw.Create(48000, 160);
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32 bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
       (aosw.bits_per_sample() / 8);
 
  // Wait for the first callback and verify its parameters.
   EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet)))
       .WillOnce(DoAll(
           QuitLoop(loop.message_loop_proxy()),
           Return(aosw.samples_per_packet())))
       .WillRepeatedly(Return(aosw.samples_per_packet()));
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                        TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 // Verify that we can open and start the output stream in exclusive mode at
 // the lowest possible delay at 44.1kHz.
-TEST_F(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt44kHz) {
+TEST(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt44kHz) {
   ABORT_AUDIO_TEST_IF_NOT(ExclusiveModeIsEnabled());
+  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
 
   base::MessageLoopForUI loop;
   MockAudioSourceCallback source;
 
   // Create exclusive-mode WASAPI output stream which plays out in stereo
   // using the minimum buffer size at 44.1kHz sample rate.
-  AudioOutputStreamWrapper aosw(audio_manager_.get());
+  AudioOutputStreamWrapper aosw(audio_manager.get());
   AudioOutputStream* aos = aosw.Create(44100, 160);
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32 bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
       (aosw.bits_per_sample() / 8);
 
   // Wait for the first callback and verify its parameters.
   EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet)))
     .WillOnce(DoAll(
         QuitLoop(loop.message_loop_proxy()),
         Return(aosw.samples_per_packet())))
     .WillRepeatedly(Return(aosw.samples_per_packet()));
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                         TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 }  // namespace media