OLD | NEW |
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 #include <cmath> | 6 #include <cmath> |
7 | 7 |
8 #include "media/audio/simple_sources.h" | 8 #include "media/audio/simple_sources.h" |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
(...skipping 213 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
224 &bytes_written); | 224 &bytes_written); |
225 wav_file_read_pos_ += bytes_written; | 225 wav_file_read_pos_ += bytes_written; |
226 return 1.0; | 226 return 1.0; |
227 } | 227 } |
228 | 228 |
229 void FileSource::OnError(AudioOutputStream* stream) { | 229 void FileSource::OnError(AudioOutputStream* stream) { |
230 } | 230 } |
231 | 231 |
232 BeepingSource::BeepingSource(const AudioParameters& params) | 232 BeepingSource::BeepingSource(const AudioParameters& params) |
233 : buffer_size_(params.GetBytesPerBuffer()), | 233 : buffer_size_(params.GetBytesPerBuffer()), |
234 buffer_(new uint8[buffer_size_]), | 234 buffer_(new uint8_t[buffer_size_]), |
235 params_(params), | 235 params_(params), |
236 last_callback_time_(base::TimeTicks::Now()), | 236 last_callback_time_(base::TimeTicks::Now()), |
237 beep_duration_in_buffers_(kBeepDurationMilliseconds * | 237 beep_duration_in_buffers_(kBeepDurationMilliseconds * |
238 params.sample_rate() / | 238 params.sample_rate() / |
239 params.frames_per_buffer() / | 239 params.frames_per_buffer() / |
240 1000), | 240 1000), |
241 beep_generated_in_buffers_(0), | 241 beep_generated_in_buffers_(0), |
242 beep_period_in_frames_(params.sample_rate() / kBeepFrequency) { | 242 beep_period_in_frames_(params.sample_rate() / kBeepFrequency) {} |
243 } | |
244 | 243 |
245 BeepingSource::~BeepingSource() { | 244 BeepingSource::~BeepingSource() { |
246 } | 245 } |
247 | 246 |
248 int BeepingSource::OnMoreData(AudioBus* audio_bus, | 247 int BeepingSource::OnMoreData(AudioBus* audio_bus, |
249 uint32_t total_bytes_delay, | 248 uint32_t total_bytes_delay, |
250 uint32_t frames_skipped) { | 249 uint32_t frames_skipped) { |
251 // Accumulate the time from the last beep. | 250 // Accumulate the time from the last beep. |
252 interval_from_last_beep_ += base::TimeTicks::Now() - last_callback_time_; | 251 interval_from_last_beep_ += base::TimeTicks::Now() - last_callback_time_; |
253 | 252 |
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
297 } | 296 } |
298 | 297 |
299 void BeepingSource::OnError(AudioOutputStream* stream) { | 298 void BeepingSource::OnError(AudioOutputStream* stream) { |
300 } | 299 } |
301 | 300 |
302 void BeepingSource::BeepOnce() { | 301 void BeepingSource::BeepOnce() { |
303 g_beep_context.Pointer()->SetBeepOnce(true); | 302 g_beep_context.Pointer()->SetBeepOnce(true); |
304 } | 303 } |
305 | 304 |
306 } // namespace media | 305 } // namespace media |
OLD | NEW |