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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 // MSVC++ requires this to be set before any other includes to get M_PI. | 4 // MSVC++ requires this to be set before any other includes to get M_PI. |
5 #define _USE_MATH_DEFINES | 5 #define _USE_MATH_DEFINES |
6 | 6 |
7 #include "media/audio/simple_sources.h" | 7 #include "media/audio/simple_sources.h" |
8 | 8 |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 | 10 |
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216 // Stop playing if we've played out the whole file. | 216 // Stop playing if we've played out the whole file. |
217 if (wav_audio_handler_->AtEnd(wav_file_read_pos_)) | 217 if (wav_audio_handler_->AtEnd(wav_file_read_pos_)) |
218 return 0; | 218 return 0; |
219 | 219 |
220 // This pulls data from ProvideInput. | 220 // This pulls data from ProvideInput. |
221 file_audio_converter_->Convert(audio_bus); | 221 file_audio_converter_->Convert(audio_bus); |
222 return audio_bus->frames(); | 222 return audio_bus->frames(); |
223 } | 223 } |
224 | 224 |
225 double FileSource::ProvideInput(AudioBus* audio_bus_into_converter, | 225 double FileSource::ProvideInput(AudioBus* audio_bus_into_converter, |
226 base::TimeDelta buffer_delay) { | 226 uint32_t frames_delayed) { |
227 // Unfilled frames will be zeroed by CopyTo. | 227 // Unfilled frames will be zeroed by CopyTo. |
228 size_t bytes_written; | 228 size_t bytes_written; |
229 wav_audio_handler_->CopyTo(audio_bus_into_converter, wav_file_read_pos_, | 229 wav_audio_handler_->CopyTo(audio_bus_into_converter, wav_file_read_pos_, |
230 &bytes_written); | 230 &bytes_written); |
231 wav_file_read_pos_ += bytes_written; | 231 wav_file_read_pos_ += bytes_written; |
232 return 1.0; | 232 return 1.0; |
233 } | 233 } |
234 | 234 |
235 void FileSource::OnError(AudioOutputStream* stream) { | 235 void FileSource::OnError(AudioOutputStream* stream) { |
236 } | 236 } |
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302 } | 302 } |
303 | 303 |
304 void BeepingSource::OnError(AudioOutputStream* stream) { | 304 void BeepingSource::OnError(AudioOutputStream* stream) { |
305 } | 305 } |
306 | 306 |
307 void BeepingSource::BeepOnce() { | 307 void BeepingSource::BeepOnce() { |
308 g_beep_context.Pointer()->SetBeepOnce(true); | 308 g_beep_context.Pointer()->SetBeepOnce(true); |
309 } | 309 } |
310 | 310 |
311 } // namespace media | 311 } // namespace media |
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