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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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| 94 | 94 |
| 95 AudioDestination::~AudioDestination() { | 95 AudioDestination::~AudioDestination() { |
| 96 Stop(); | 96 Stop(); |
| 97 } | 97 } |
| 98 | 98 |
| 99 void AudioDestination::Render(const WebVector<float*>& destination_data, | 99 void AudioDestination::Render(const WebVector<float*>& destination_data, |
| 100 size_t number_of_frames, | 100 size_t number_of_frames, |
| 101 double delay, | 101 double delay, |
| 102 double delay_timestamp, | 102 double delay_timestamp, |
| 103 size_t prior_frames_skipped) { | 103 size_t prior_frames_skipped) { |
| 104 TRACE_EVENT1("webaudio", "AudioDestination::Render", | 104 TRACE_EVENT1("webaudio", "AudioDestination::Render", "callback_buffer_size", |
| 105 "callback_buffer_size", number_of_frames); | 105 number_of_frames); |
| 106 | 106 |
| 107 // This method is called by AudioDeviceThread. | 107 // This method is called by AudioDeviceThread. |
| 108 DCHECK(!IsRenderingThread()); | 108 DCHECK(!IsRenderingThread()); |
| 109 | 109 |
| 110 CHECK_EQ(destination_data.size(), number_of_output_channels_); | 110 CHECK_EQ(destination_data.size(), number_of_output_channels_); |
| 111 CHECK_EQ(number_of_frames, callback_buffer_size_); | 111 CHECK_EQ(number_of_frames, callback_buffer_size_); |
| 112 | 112 |
| 113 // Note that this method is called by AudioDeviceThread. If FIFO is not ready, | 113 // Note that this method is called by AudioDeviceThread. If FIFO is not ready, |
| 114 // or the requested render size is greater than FIFO size return here. | 114 // or the requested render size is greater than FIFO size return here. |
| 115 // (crbug.com/692423) | 115 // (crbug.com/692423) |
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| 253 DCHECK(is_buffer_size_valid); | 253 DCHECK(is_buffer_size_valid); |
| 254 return is_buffer_size_valid; | 254 return is_buffer_size_valid; |
| 255 } | 255 } |
| 256 | 256 |
| 257 bool AudioDestination::IsRenderingThread() { | 257 bool AudioDestination::IsRenderingThread() { |
| 258 return static_cast<ThreadIdentifier>(rendering_thread_->ThreadId()) == | 258 return static_cast<ThreadIdentifier>(rendering_thread_->ThreadId()) == |
| 259 CurrentThread(); | 259 CurrentThread(); |
| 260 } | 260 } |
| 261 | 261 |
| 262 } // namespace blink | 262 } // namespace blink |
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