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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 <stdint.h> | 5 #include <stdint.h> |
| 6 | 6 |
| 7 #include <memory> |
| 8 |
| 7 #include "base/android/build_info.h" | 9 #include "base/android/build_info.h" |
| 8 #include "base/bind.h" | 10 #include "base/bind.h" |
| 9 #include "base/files/file_util.h" | 11 #include "base/files/file_util.h" |
| 10 #include "base/macros.h" | 12 #include "base/macros.h" |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/message_loop/message_loop.h" | 13 #include "base/message_loop/message_loop.h" |
| 13 #include "base/path_service.h" | 14 #include "base/path_service.h" |
| 14 #include "base/run_loop.h" | 15 #include "base/run_loop.h" |
| 15 #include "base/strings/stringprintf.h" | 16 #include "base/strings/stringprintf.h" |
| 16 #include "base/synchronization/lock.h" | 17 #include "base/synchronization/lock.h" |
| 17 #include "base/synchronization/waitable_event.h" | 18 #include "base/synchronization/waitable_event.h" |
| 18 #include "base/test/test_timeouts.h" | 19 #include "base/test/test_timeouts.h" |
| 19 #include "base/time/time.h" | 20 #include "base/time/time.h" |
| 20 #include "build/build_config.h" | 21 #include "build/build_config.h" |
| 21 #include "media/audio/android/audio_manager_android.h" | 22 #include "media/audio/android/audio_manager_android.h" |
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| 265 } | 266 } |
| 266 base::CloseFile(binary_file_); | 267 base::CloseFile(binary_file_); |
| 267 } | 268 } |
| 268 | 269 |
| 269 // AudioInputStream::AudioInputCallback implementation. | 270 // AudioInputStream::AudioInputCallback implementation. |
| 270 void OnData(AudioInputStream* stream, | 271 void OnData(AudioInputStream* stream, |
| 271 const AudioBus* src, | 272 const AudioBus* src, |
| 272 uint32_t hardware_delay_bytes, | 273 uint32_t hardware_delay_bytes, |
| 273 double volume) override { | 274 double volume) override { |
| 274 const int num_samples = src->frames() * src->channels(); | 275 const int num_samples = src->frames() * src->channels(); |
| 275 scoped_ptr<int16_t> interleaved(new int16_t[num_samples]); | 276 std::unique_ptr<int16_t> interleaved(new int16_t[num_samples]); |
| 276 const int bytes_per_sample = sizeof(*interleaved); | 277 const int bytes_per_sample = sizeof(*interleaved); |
| 277 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); | 278 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); |
| 278 | 279 |
| 279 // Store data data in a temporary buffer to avoid making blocking | 280 // Store data data in a temporary buffer to avoid making blocking |
| 280 // fwrite() calls in the audio callback. The complete buffer will be | 281 // fwrite() calls in the audio callback. The complete buffer will be |
| 281 // written to file in the destructor. | 282 // written to file in the destructor. |
| 282 const int size = bytes_per_sample * num_samples; | 283 const int size = bytes_per_sample * num_samples; |
| 283 if (!buffer_->Append((const uint8_t*)interleaved.get(), size)) | 284 if (!buffer_->Append((const uint8_t*)interleaved.get(), size)) |
| 284 event_->Signal(); | 285 event_->Signal(); |
| 285 } | 286 } |
| 286 | 287 |
| 287 void OnError(AudioInputStream* stream) override {} | 288 void OnError(AudioInputStream* stream) override {} |
| 288 | 289 |
| 289 private: | 290 private: |
| 290 base::WaitableEvent* event_; | 291 base::WaitableEvent* event_; |
| 291 AudioParameters params_; | 292 AudioParameters params_; |
| 292 scoped_ptr<media::SeekableBuffer> buffer_; | 293 std::unique_ptr<media::SeekableBuffer> buffer_; |
| 293 FILE* binary_file_; | 294 FILE* binary_file_; |
| 294 | 295 |
| 295 DISALLOW_COPY_AND_ASSIGN(FileAudioSink); | 296 DISALLOW_COPY_AND_ASSIGN(FileAudioSink); |
| 296 }; | 297 }; |
| 297 | 298 |
| 298 // Implements AudioInputCallback and AudioSourceCallback to support full | 299 // Implements AudioInputCallback and AudioSourceCallback to support full |
| 299 // duplex audio where captured samples are played out in loopback after | 300 // duplex audio where captured samples are played out in loopback after |
| 300 // reading from a temporary FIFO storage. | 301 // reading from a temporary FIFO storage. |
| 301 class FullDuplexAudioSinkSource | 302 class FullDuplexAudioSinkSource |
| 302 : public AudioInputStream::AudioInputCallback, | 303 : public AudioInputStream::AudioInputCallback, |
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| 317 // AudioInputStream::AudioInputCallback implementation | 318 // AudioInputStream::AudioInputCallback implementation |
| 318 void OnData(AudioInputStream* stream, | 319 void OnData(AudioInputStream* stream, |
| 319 const AudioBus* src, | 320 const AudioBus* src, |
| 320 uint32_t hardware_delay_bytes, | 321 uint32_t hardware_delay_bytes, |
| 321 double volume) override { | 322 double volume) override { |
| 322 const base::TimeTicks now_time = base::TimeTicks::Now(); | 323 const base::TimeTicks now_time = base::TimeTicks::Now(); |
| 323 const int diff = (now_time - previous_time_).InMilliseconds(); | 324 const int diff = (now_time - previous_time_).InMilliseconds(); |
| 324 | 325 |
| 325 EXPECT_EQ(params_.bits_per_sample(), 16); | 326 EXPECT_EQ(params_.bits_per_sample(), 16); |
| 326 const int num_samples = src->frames() * src->channels(); | 327 const int num_samples = src->frames() * src->channels(); |
| 327 scoped_ptr<int16_t> interleaved(new int16_t[num_samples]); | 328 std::unique_ptr<int16_t> interleaved(new int16_t[num_samples]); |
| 328 const int bytes_per_sample = sizeof(*interleaved); | 329 const int bytes_per_sample = sizeof(*interleaved); |
| 329 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); | 330 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); |
| 330 const int size = bytes_per_sample * num_samples; | 331 const int size = bytes_per_sample * num_samples; |
| 331 | 332 |
| 332 base::AutoLock lock(lock_); | 333 base::AutoLock lock(lock_); |
| 333 if (diff > 1000) { | 334 if (diff > 1000) { |
| 334 started_ = true; | 335 started_ = true; |
| 335 previous_time_ = now_time; | 336 previous_time_ = now_time; |
| 336 | 337 |
| 337 // Log out the extra delay added by the FIFO. This is a best effort | 338 // Log out the extra delay added by the FIFO. This is a best effort |
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| 396 double BytesToMilliseconds(int bytes) const { | 397 double BytesToMilliseconds(int bytes) const { |
| 397 const int frames = bytes / params_.GetBytesPerFrame(); | 398 const int frames = bytes / params_.GetBytesPerFrame(); |
| 398 return (base::TimeDelta::FromMicroseconds( | 399 return (base::TimeDelta::FromMicroseconds( |
| 399 frames * base::Time::kMicrosecondsPerSecond / | 400 frames * base::Time::kMicrosecondsPerSecond / |
| 400 static_cast<double>(params_.sample_rate()))).InMillisecondsF(); | 401 static_cast<double>(params_.sample_rate()))).InMillisecondsF(); |
| 401 } | 402 } |
| 402 | 403 |
| 403 AudioParameters params_; | 404 AudioParameters params_; |
| 404 base::TimeTicks previous_time_; | 405 base::TimeTicks previous_time_; |
| 405 base::Lock lock_; | 406 base::Lock lock_; |
| 406 scoped_ptr<media::SeekableBuffer> fifo_; | 407 std::unique_ptr<media::SeekableBuffer> fifo_; |
| 407 scoped_ptr<uint8_t[]> buffer_; | 408 std::unique_ptr<uint8_t[]> buffer_; |
| 408 bool started_; | 409 bool started_; |
| 409 | 410 |
| 410 DISALLOW_COPY_AND_ASSIGN(FullDuplexAudioSinkSource); | 411 DISALLOW_COPY_AND_ASSIGN(FullDuplexAudioSinkSource); |
| 411 }; | 412 }; |
| 412 | 413 |
| 413 // Test fixture class for tests which only exercise the output path. | 414 // Test fixture class for tests which only exercise the output path. |
| 414 class AudioAndroidOutputTest : public testing::Test { | 415 class AudioAndroidOutputTest : public testing::Test { |
| 415 public: | 416 public: |
| 416 AudioAndroidOutputTest() | 417 AudioAndroidOutputTest() |
| 417 : loop_(new base::MessageLoopForUI()), | 418 : loop_(new base::MessageLoopForUI()), |
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| 558 audio_output_stream_->Start(source); | 559 audio_output_stream_->Start(source); |
| 559 } | 560 } |
| 560 | 561 |
| 561 void StopAndClose() { | 562 void StopAndClose() { |
| 562 DCHECK(audio_manager()->GetTaskRunner()->BelongsToCurrentThread()); | 563 DCHECK(audio_manager()->GetTaskRunner()->BelongsToCurrentThread()); |
| 563 audio_output_stream_->Stop(); | 564 audio_output_stream_->Stop(); |
| 564 audio_output_stream_->Close(); | 565 audio_output_stream_->Close(); |
| 565 audio_output_stream_ = NULL; | 566 audio_output_stream_ = NULL; |
| 566 } | 567 } |
| 567 | 568 |
| 568 scoped_ptr<base::MessageLoopForUI> loop_; | 569 std::unique_ptr<base::MessageLoopForUI> loop_; |
| 569 ScopedAudioManagerPtr audio_manager_; | 570 ScopedAudioManagerPtr audio_manager_; |
| 570 AudioParameters audio_output_parameters_; | 571 AudioParameters audio_output_parameters_; |
| 571 AudioOutputStream* audio_output_stream_; | 572 AudioOutputStream* audio_output_stream_; |
| 572 base::TimeTicks start_time_; | 573 base::TimeTicks start_time_; |
| 573 base::TimeTicks end_time_; | 574 base::TimeTicks end_time_; |
| 574 | 575 |
| 575 private: | 576 private: |
| 576 DISALLOW_COPY_AND_ASSIGN(AudioAndroidOutputTest); | 577 DISALLOW_COPY_AND_ASSIGN(AudioAndroidOutputTest); |
| 577 }; | 578 }; |
| 578 | 579 |
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| 958 base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20)); | 959 base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20)); |
| 959 printf("\n"); | 960 printf("\n"); |
| 960 StopAndCloseAudioOutputStreamOnAudioThread(); | 961 StopAndCloseAudioOutputStreamOnAudioThread(); |
| 961 StopAndCloseAudioInputStreamOnAudioThread(); | 962 StopAndCloseAudioInputStreamOnAudioThread(); |
| 962 } | 963 } |
| 963 | 964 |
| 964 INSTANTIATE_TEST_CASE_P(AudioAndroidInputTest, AudioAndroidInputTest, | 965 INSTANTIATE_TEST_CASE_P(AudioAndroidInputTest, AudioAndroidInputTest, |
| 965 testing::ValuesIn(RunAudioRecordInputPathTests())); | 966 testing::ValuesIn(RunAudioRecordInputPathTests())); |
| 966 | 967 |
| 967 } // namespace media | 968 } // namespace media |
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