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1 /* | 1 /* |
2 * Copyright (C) 2011, Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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94 // Synchronize with process() to protect m_sourceNumberOfChannels, | 94 // Synchronize with process() to protect m_sourceNumberOfChannels, |
95 // m_sourceSampleRate, and m_multiChannelResampler. | 95 // m_sourceSampleRate, and m_multiChannelResampler. |
96 Locker<MediaElementAudioSourceHandler> locker(*this); | 96 Locker<MediaElementAudioSourceHandler> locker(*this); |
97 | 97 |
98 m_sourceNumberOfChannels = numberOfChannels; | 98 m_sourceNumberOfChannels = numberOfChannels; |
99 m_sourceSampleRate = sourceSampleRate; | 99 m_sourceSampleRate = sourceSampleRate; |
100 | 100 |
101 if (sourceSampleRate != sampleRate()) { | 101 if (sourceSampleRate != sampleRate()) { |
102 double scaleFactor = sourceSampleRate / sampleRate(); | 102 double scaleFactor = sourceSampleRate / sampleRate(); |
103 m_multiChannelResampler = | 103 m_multiChannelResampler = |
104 makeUnique<MultiChannelResampler>(scaleFactor, numberOfChannels); | 104 WTF::makeUnique<MultiChannelResampler>(scaleFactor, numberOfChannels); |
105 } else { | 105 } else { |
106 // Bypass resampling. | 106 // Bypass resampling. |
107 m_multiChannelResampler.reset(); | 107 m_multiChannelResampler.reset(); |
108 } | 108 } |
109 | 109 |
110 { | 110 { |
111 // The context must be locked when changing the number of output channels. | 111 // The context must be locked when changing the number of output channels. |
112 BaseAudioContext::AutoLocker contextLocker(context()); | 112 BaseAudioContext::AutoLocker contextLocker(context()); |
113 | 113 |
114 // Do any necesssary re-configuration to the output's number of channels. | 114 // Do any necesssary re-configuration to the output's number of channels. |
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294 | 294 |
295 void MediaElementAudioSourceNode::lock() { | 295 void MediaElementAudioSourceNode::lock() { |
296 mediaElementAudioSourceHandler().lock(); | 296 mediaElementAudioSourceHandler().lock(); |
297 } | 297 } |
298 | 298 |
299 void MediaElementAudioSourceNode::unlock() { | 299 void MediaElementAudioSourceNode::unlock() { |
300 mediaElementAudioSourceHandler().unlock(); | 300 mediaElementAudioSourceHandler().unlock(); |
301 } | 301 } |
302 | 302 |
303 } // namespace blink | 303 } // namespace blink |
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