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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 * 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 |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include "platform/audio/AudioResamplerKernel.h" | 25 #include "platform/audio/AudioResamplerKernel.h" |
| 26 | |
| 27 #if ENABLE(WEB_AUDIO) | |
| 28 #include "platform/audio/AudioResampler.h" | 26 #include "platform/audio/AudioResampler.h" |
| 29 #include "wtf/MathExtras.h" | 27 #include "wtf/MathExtras.h" |
| 30 | 28 |
| 31 namespace blink { | 29 namespace blink { |
| 32 | 30 |
| 33 const size_t AudioResamplerKernel::MaxFramesToProcess = 128; | 31 const size_t AudioResamplerKernel::MaxFramesToProcess = 128; |
| 34 | 32 |
| 35 AudioResamplerKernel::AudioResamplerKernel(AudioResampler* resampler) | 33 AudioResamplerKernel::AudioResamplerKernel(AudioResampler* resampler) |
| 36 : m_resampler(resampler) | 34 : m_resampler(resampler) |
| 37 // The buffer size must be large enough to hold up to two extra sample frame
s for the linear interpolation. | 35 // The buffer size must be large enough to hold up to two extra sample frame
s for the linear interpolation. |
| (...skipping 89 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 127 m_lastValues[1] = 0.0f; | 125 m_lastValues[1] = 0.0f; |
| 128 } | 126 } |
| 129 | 127 |
| 130 double AudioResamplerKernel::rate() const | 128 double AudioResamplerKernel::rate() const |
| 131 { | 129 { |
| 132 return m_resampler->rate(); | 130 return m_resampler->rate(); |
| 133 } | 131 } |
| 134 | 132 |
| 135 } // namespace blink | 133 } // namespace blink |
| 136 | 134 |
| 137 #endif // ENABLE(WEB_AUDIO) | |
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