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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/audio/win/audio_low_latency_input_win.h" | 5 #include "media/audio/win/audio_low_latency_input_win.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <mmsystem.h> | 8 #include <mmsystem.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 #include <stdint.h> | 10 #include <stdint.h> |
| 11 | 11 |
| 12 #include <memory> | 12 #include <memory> |
| 13 | 13 |
| 14 #include "base/environment.h" | 14 #include "base/environment.h" |
| 15 #include "base/files/file_util.h" | 15 #include "base/files/file_util.h" |
| 16 #include "base/macros.h" | 16 #include "base/macros.h" |
| 17 #include "base/message_loop/message_loop.h" | 17 #include "base/message_loop/message_loop.h" |
| 18 #include "base/path_service.h" | 18 #include "base/path_service.h" |
| 19 #include "base/run_loop.h" |
| 19 #include "base/test/test_timeouts.h" | 20 #include "base/test/test_timeouts.h" |
| 20 #include "base/win/scoped_com_initializer.h" | 21 #include "base/win/scoped_com_initializer.h" |
| 21 #include "media/audio/audio_device_description.h" | 22 #include "media/audio/audio_device_description.h" |
| 22 #include "media/audio/audio_io.h" | 23 #include "media/audio/audio_io.h" |
| 23 #include "media/audio/audio_manager.h" | 24 #include "media/audio/audio_manager.h" |
| 24 #include "media/audio/audio_unittest_util.h" | 25 #include "media/audio/audio_unittest_util.h" |
| 25 #include "media/audio/win/core_audio_util_win.h" | 26 #include "media/audio/win/core_audio_util_win.h" |
| 26 #include "media/base/seekable_buffer.h" | 27 #include "media/base/seekable_buffer.h" |
| 27 #include "testing/gmock/include/gmock/gmock.h" | 28 #include "testing/gmock/include/gmock/gmock.h" |
| 28 #include "testing/gtest/include/gtest/gtest.h" | 29 #include "testing/gtest/include/gtest/gtest.h" |
| 29 | 30 |
| 30 using ::testing::_; | 31 using ::testing::_; |
| 31 using ::testing::AnyNumber; | 32 using ::testing::AnyNumber; |
| 32 using ::testing::AtLeast; | 33 using ::testing::AtLeast; |
| 33 using ::testing::Gt; | 34 using ::testing::Gt; |
| 34 using ::testing::NotNull; | 35 using ::testing::NotNull; |
| 35 | 36 |
| 36 namespace media { | 37 namespace media { |
| 37 | 38 |
| 38 ACTION_P3(CheckCountAndPostQuitTask, count, limit, loop) { | 39 ACTION_P3(CheckCountAndPostQuitTask, count, limit, run_loop) { |
| 39 if (++*count >= limit) { | 40 if (++*count >= limit) |
| 40 loop->PostTask(FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); | 41 run_loop->QuitWhenIdle(); |
| 41 } | |
| 42 } | 42 } |
| 43 | 43 |
| 44 class MockAudioInputCallback : public AudioInputStream::AudioInputCallback { | 44 class MockAudioInputCallback : public AudioInputStream::AudioInputCallback { |
| 45 public: | 45 public: |
| 46 MOCK_METHOD4(OnData, | 46 MOCK_METHOD4(OnData, |
| 47 void(AudioInputStream* stream, | 47 void(AudioInputStream* stream, |
| 48 const AudioBus* src, | 48 const AudioBus* src, |
| 49 uint32_t hardware_delay_bytes, | 49 uint32_t hardware_delay_bytes, |
| 50 double volume)); | 50 double volume)); |
| 51 MOCK_METHOD1(OnError, void(AudioInputStream* stream)); | 51 MOCK_METHOD1(OnError, void(AudioInputStream* stream)); |
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| 253 AudioInputStream* stream_; | 253 AudioInputStream* stream_; |
| 254 | 254 |
| 255 DISALLOW_COPY_AND_ASSIGN(ScopedAudioInputStream); | 255 DISALLOW_COPY_AND_ASSIGN(ScopedAudioInputStream); |
| 256 }; | 256 }; |
| 257 | 257 |
| 258 class WinAudioInputTest : public ::testing::Test { | 258 class WinAudioInputTest : public ::testing::Test { |
| 259 public: | 259 public: |
| 260 WinAudioInputTest() { | 260 WinAudioInputTest() { |
| 261 audio_manager_ = | 261 audio_manager_ = |
| 262 AudioManager::CreateForTesting(message_loop_.task_runner()); | 262 AudioManager::CreateForTesting(message_loop_.task_runner()); |
| 263 message_loop_.RunUntilIdle(); | 263 base::RunLoop().RunUntilIdle(); |
| 264 } | 264 } |
| 265 ~WinAudioInputTest() override { | 265 ~WinAudioInputTest() override { |
| 266 audio_manager_.reset(); | 266 audio_manager_.reset(); |
| 267 message_loop_.RunUntilIdle(); | 267 base::RunLoop().RunUntilIdle(); |
| 268 } | 268 } |
| 269 | 269 |
| 270 protected: | 270 protected: |
| 271 base::MessageLoop message_loop_; | 271 base::MessageLoop message_loop_; |
| 272 ScopedAudioManagerPtr audio_manager_; | 272 ScopedAudioManagerPtr audio_manager_; |
| 273 }; | 273 }; |
| 274 | 274 |
| 275 // Verify that we can retrieve the current hardware/mixing sample rate | 275 // Verify that we can retrieve the current hardware/mixing sample rate |
| 276 // for all available input devices. | 276 // for all available input devices. |
| 277 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamHardwareSampleRate) { | 277 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamHardwareSampleRate) { |
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| 372 AudioInputStreamWrapper aisw(audio_manager_.get()); | 372 AudioInputStreamWrapper aisw(audio_manager_.get()); |
| 373 ScopedAudioInputStream ais(aisw.Create()); | 373 ScopedAudioInputStream ais(aisw.Create()); |
| 374 EXPECT_TRUE(ais->Open()); | 374 EXPECT_TRUE(ais->Open()); |
| 375 | 375 |
| 376 MockAudioInputCallback sink; | 376 MockAudioInputCallback sink; |
| 377 | 377 |
| 378 // Derive the expected size in bytes of each recorded packet. | 378 // Derive the expected size in bytes of each recorded packet. |
| 379 uint32_t bytes_per_packet = | 379 uint32_t bytes_per_packet = |
| 380 aisw.channels() * aisw.frames_per_buffer() * (aisw.bits_per_sample() / 8); | 380 aisw.channels() * aisw.frames_per_buffer() * (aisw.bits_per_sample() / 8); |
| 381 | 381 |
| 382 // We use 10ms packets and will run the test until ten packets are received. | 382 { |
| 383 // All should contain valid packets of the same size and a valid delay | 383 // We use 10ms packets and will run the test until ten packets are received. |
| 384 // estimate. | 384 // All should contain valid packets of the same size and a valid delay |
| 385 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) | 385 // estimate. |
| 386 .Times(AtLeast(10)) | 386 base::RunLoop run_loop; |
| 387 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &message_loop_)); | 387 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) |
| 388 ais->Start(&sink); | 388 .Times(AtLeast(10)) |
| 389 message_loop_.Run(); | 389 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &run_loop)); |
| 390 ais->Stop(); | 390 ais->Start(&sink); |
| 391 run_loop.Run(); |
| 392 ais->Stop(); |
| 393 } |
| 391 | 394 |
| 392 // Store current packet size (to be used in the subsequent tests). | 395 // Store current packet size (to be used in the subsequent tests). |
| 393 int frames_per_buffer_10ms = aisw.frames_per_buffer(); | 396 int frames_per_buffer_10ms = aisw.frames_per_buffer(); |
| 394 | 397 |
| 395 ais.Close(); | 398 ais.Close(); |
| 396 | 399 |
| 397 // 20 ms packet size. | 400 // 20 ms packet size. |
| 398 | 401 |
| 399 count = 0; | 402 count = 0; |
| 400 ais.Reset(aisw.Create(2 * frames_per_buffer_10ms)); | 403 ais.Reset(aisw.Create(2 * frames_per_buffer_10ms)); |
| 401 EXPECT_TRUE(ais->Open()); | 404 EXPECT_TRUE(ais->Open()); |
| 402 bytes_per_packet = aisw.channels() * aisw.frames_per_buffer() * | 405 bytes_per_packet = aisw.channels() * aisw.frames_per_buffer() * |
| 403 (aisw.bits_per_sample() / 8); | 406 (aisw.bits_per_sample() / 8); |
| 404 | 407 |
| 405 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) | 408 { |
| 406 .Times(AtLeast(10)) | 409 base::RunLoop run_loop; |
| 407 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &message_loop_)); | 410 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) |
| 408 ais->Start(&sink); | 411 .Times(AtLeast(10)) |
| 409 message_loop_.Run(); | 412 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &run_loop)); |
| 410 ais->Stop(); | 413 ais->Start(&sink); |
| 411 ais.Close(); | 414 run_loop.Run(); |
| 415 ais->Stop(); |
| 416 ais.Close(); |
| 417 } |
| 412 | 418 |
| 413 // 5 ms packet size. | 419 // 5 ms packet size. |
| 414 | 420 |
| 415 count = 0; | 421 count = 0; |
| 416 ais.Reset(aisw.Create(frames_per_buffer_10ms / 2)); | 422 ais.Reset(aisw.Create(frames_per_buffer_10ms / 2)); |
| 417 EXPECT_TRUE(ais->Open()); | 423 EXPECT_TRUE(ais->Open()); |
| 418 bytes_per_packet = aisw.channels() * aisw.frames_per_buffer() * | 424 bytes_per_packet = aisw.channels() * aisw.frames_per_buffer() * |
| 419 (aisw.bits_per_sample() / 8); | 425 (aisw.bits_per_sample() / 8); |
| 420 | 426 |
| 421 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) | 427 { |
| 422 .Times(AtLeast(10)) | 428 base::RunLoop run_loop; |
| 423 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &message_loop_)); | 429 EXPECT_CALL(sink, OnData(ais.get(), NotNull(), _, _)) |
| 424 ais->Start(&sink); | 430 .Times(AtLeast(10)) |
| 425 message_loop_.Run(); | 431 .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10, &run_loop)); |
| 426 ais->Stop(); | 432 ais->Start(&sink); |
| 427 ais.Close(); | 433 run_loop.Run(); |
| 434 ais->Stop(); |
| 435 ais.Close(); |
| 436 } |
| 428 } | 437 } |
| 429 | 438 |
| 430 // Test that we can capture a stream in loopback. | 439 // Test that we can capture a stream in loopback. |
| 431 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamLoopback) { | 440 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamLoopback) { |
| 432 ABORT_AUDIO_TEST_IF_NOT(audio_manager_->HasAudioOutputDevices() && | 441 ABORT_AUDIO_TEST_IF_NOT(audio_manager_->HasAudioOutputDevices() && |
| 433 CoreAudioUtil::IsSupported()); | 442 CoreAudioUtil::IsSupported()); |
| 434 | 443 |
| 435 AudioParameters params = audio_manager_->GetInputStreamParameters( | 444 AudioParameters params = audio_manager_->GetInputStreamParameters( |
| 436 AudioDeviceDescription::kLoopbackInputDeviceId); | 445 AudioDeviceDescription::kLoopbackInputDeviceId); |
| 437 EXPECT_EQ(params.effects(), 0); | 446 EXPECT_EQ(params.effects(), 0); |
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| 478 WriteToFileAudioSink file_sink(file_name, aisw.bits_per_sample()); | 487 WriteToFileAudioSink file_sink(file_name, aisw.bits_per_sample()); |
| 479 VLOG(0) << ">> Speak into the default microphone while recording."; | 488 VLOG(0) << ">> Speak into the default microphone while recording."; |
| 480 ais->Start(&file_sink); | 489 ais->Start(&file_sink); |
| 481 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); | 490 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); |
| 482 ais->Stop(); | 491 ais->Stop(); |
| 483 VLOG(0) << ">> Recording has stopped."; | 492 VLOG(0) << ">> Recording has stopped."; |
| 484 ais.Close(); | 493 ais.Close(); |
| 485 } | 494 } |
| 486 | 495 |
| 487 } // namespace media | 496 } // namespace media |
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