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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 "base/basictypes.h" | |
6 #include "base/environment.h" | 5 #include "base/environment.h" |
7 #include "base/files/file_util.h" | 6 #include "base/files/file_util.h" |
8 #include "base/memory/scoped_ptr.h" | 7 #include "base/memory/scoped_ptr.h" |
9 #include "base/path_service.h" | 8 #include "base/path_service.h" |
10 #include "base/synchronization/lock.h" | 9 #include "base/synchronization/lock.h" |
11 #include "base/test/test_timeouts.h" | 10 #include "base/test/test_timeouts.h" |
12 #include "base/time/time.h" | 11 #include "base/time/time.h" |
13 #include "build/build_config.h" | 12 #include "build/build_config.h" |
14 #include "media/audio/audio_io.h" | 13 #include "media/audio/audio_io.h" |
15 #include "media/audio/audio_manager_base.h" | 14 #include "media/audio/audio_manager_base.h" |
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177 state.output_delay_ms); | 176 state.output_delay_ms); |
178 ++elements_written; | 177 ++elements_written; |
179 } | 178 } |
180 | 179 |
181 base::CloseFile(text_file); | 180 base::CloseFile(text_file); |
182 } | 181 } |
183 | 182 |
184 // AudioInputStream::AudioInputCallback. | 183 // AudioInputStream::AudioInputCallback. |
185 void OnData(AudioInputStream* stream, | 184 void OnData(AudioInputStream* stream, |
186 const AudioBus* src, | 185 const AudioBus* src, |
187 uint32 hardware_delay_bytes, | 186 uint32_t hardware_delay_bytes, |
188 double volume) override { | 187 double volume) override { |
189 base::AutoLock lock(lock_); | 188 base::AutoLock lock(lock_); |
190 | 189 |
191 // Update three components in the AudioDelayState for this recorded | 190 // Update three components in the AudioDelayState for this recorded |
192 // audio packet. | 191 // audio packet. |
193 const base::TimeTicks now_time = base::TimeTicks::Now(); | 192 const base::TimeTicks now_time = base::TimeTicks::Now(); |
194 const int diff = (now_time - previous_write_time_).InMilliseconds(); | 193 const int diff = (now_time - previous_write_time_).InMilliseconds(); |
195 previous_write_time_ = now_time; | 194 previous_write_time_ = now_time; |
196 if (input_elements_to_write_ < kMaxDelayMeasurements) { | 195 if (input_elements_to_write_ < kMaxDelayMeasurements) { |
197 delay_states_[input_elements_to_write_].delta_time_ms = diff; | 196 delay_states_[input_elements_to_write_].delta_time_ms = diff; |
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223 | 222 |
224 // Update one component in the AudioDelayState for the packet | 223 // Update one component in the AudioDelayState for the packet |
225 // which is about to be played out. | 224 // which is about to be played out. |
226 if (output_elements_to_write_ < kMaxDelayMeasurements) { | 225 if (output_elements_to_write_ < kMaxDelayMeasurements) { |
227 delay_states_[output_elements_to_write_].output_delay_ms = | 226 delay_states_[output_elements_to_write_].output_delay_ms = |
228 BytesToMilliseconds(total_bytes_delay); | 227 BytesToMilliseconds(total_bytes_delay); |
229 ++output_elements_to_write_; | 228 ++output_elements_to_write_; |
230 } | 229 } |
231 | 230 |
232 int size; | 231 int size; |
233 const uint8* source; | 232 const uint8_t* source; |
234 // Read the data from the seekable media buffer which contains | 233 // Read the data from the seekable media buffer which contains |
235 // captured data at the same size and sample rate as the output side. | 234 // captured data at the same size and sample rate as the output side. |
236 if (buffer_->GetCurrentChunk(&source, &size) && size > 0) { | 235 if (buffer_->GetCurrentChunk(&source, &size) && size > 0) { |
237 EXPECT_EQ(channels_, audio_bus->channels()); | 236 EXPECT_EQ(channels_, audio_bus->channels()); |
238 size = std::min(audio_bus->frames() * frame_size_, size); | 237 size = std::min(audio_bus->frames() * frame_size_, size); |
239 EXPECT_EQ(static_cast<size_t>(size) % sizeof(*audio_bus->channel(0)), 0U); | 238 EXPECT_EQ(static_cast<size_t>(size) % sizeof(*audio_bus->channel(0)), 0U); |
240 audio_bus->FromInterleaved( | 239 audio_bus->FromInterleaved( |
241 source, size / frame_size_, frame_size_ / channels_); | 240 source, size / frame_size_, frame_size_ / channels_); |
242 buffer_->Seek(size); | 241 buffer_->Seek(size); |
243 return size / frame_size_; | 242 return size / frame_size_; |
244 } | 243 } |
245 | 244 |
246 return 0; | 245 return 0; |
247 } | 246 } |
248 | 247 |
249 void OnError(AudioOutputStream* stream) override {} | 248 void OnError(AudioOutputStream* stream) override {} |
250 | 249 |
251 protected: | 250 protected: |
252 // Converts from bytes to milliseconds taking the sample rate and size | 251 // Converts from bytes to milliseconds taking the sample rate and size |
253 // of an audio frame into account. | 252 // of an audio frame into account. |
254 int BytesToMilliseconds(uint32 delay_bytes) const { | 253 int BytesToMilliseconds(uint32_t delay_bytes) const { |
255 return static_cast<int>((delay_bytes / frame_size_) * frames_to_ms_ + 0.5); | 254 return static_cast<int>((delay_bytes / frame_size_) * frames_to_ms_ + 0.5); |
256 } | 255 } |
257 | 256 |
258 private: | 257 private: |
259 base::Lock lock_; | 258 base::Lock lock_; |
260 scoped_ptr<media::SeekableBuffer> buffer_; | 259 scoped_ptr<media::SeekableBuffer> buffer_; |
261 int sample_rate_; | 260 int sample_rate_; |
262 int samples_per_packet_; | 261 int samples_per_packet_; |
263 int channels_; | 262 int channels_; |
264 int frame_size_; | 263 int frame_size_; |
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430 | 429 |
431 // All Close() operations that run on the mocked audio thread, | 430 // All Close() operations that run on the mocked audio thread, |
432 // should be synchronous and not post additional close tasks to | 431 // should be synchronous and not post additional close tasks to |
433 // mocked the audio thread. Hence, there is no need to call | 432 // mocked the audio thread. Hence, there is no need to call |
434 // message_loop()->RunUntilIdle() after the Close() methods. | 433 // message_loop()->RunUntilIdle() after the Close() methods. |
435 aos->Close(); | 434 aos->Close(); |
436 ais->Close(); | 435 ais->Close(); |
437 } | 436 } |
438 | 437 |
439 } // namespace media | 438 } // namespace media |
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