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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 * | 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 |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| 14 * its contributors may be used to endorse or promote products derived | 14 * its contributors may be used to endorse or promote products derived |
| 15 * from this software without specific prior written permission. | 15 * from this software without specific prior written permission. |
| 16 * | 16 * |
| 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "platform/audio/DynamicsCompressor.h" |
| 29 #include "platform/audio/AudioBus.h" | 30 #include "platform/audio/AudioBus.h" |
| 30 #include "platform/audio/AudioUtilities.h" | 31 #include "platform/audio/AudioUtilities.h" |
| 31 #include "platform/audio/DynamicsCompressor.h" | |
| 32 #include "wtf/MathExtras.h" | 32 #include "wtf/MathExtras.h" |
| 33 #include "wtf/PtrUtil.h" | 33 #include "wtf/PtrUtil.h" |
| 34 | 34 |
| 35 namespace blink { | 35 namespace blink { |
| 36 | 36 |
| 37 using namespace AudioUtilities; | 37 using namespace AudioUtilities; |
| 38 | 38 |
| 39 DynamicsCompressor::DynamicsCompressor(float sampleRate, | 39 DynamicsCompressor::DynamicsCompressor(float sampleRate, |
| 40 unsigned numberOfChannels) | 40 unsigned numberOfChannels) |
| 41 : m_numberOfChannels(numberOfChannels), | 41 : m_numberOfChannels(numberOfChannels), |
| (...skipping 142 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 184 | 184 |
| 185 void DynamicsCompressor::setNumberOfChannels(unsigned numberOfChannels) { | 185 void DynamicsCompressor::setNumberOfChannels(unsigned numberOfChannels) { |
| 186 m_sourceChannels = wrapArrayUnique(new const float*[numberOfChannels]); | 186 m_sourceChannels = wrapArrayUnique(new const float*[numberOfChannels]); |
| 187 m_destinationChannels = wrapArrayUnique(new float*[numberOfChannels]); | 187 m_destinationChannels = wrapArrayUnique(new float*[numberOfChannels]); |
| 188 | 188 |
| 189 m_compressor.setNumberOfChannels(numberOfChannels); | 189 m_compressor.setNumberOfChannels(numberOfChannels); |
| 190 m_numberOfChannels = numberOfChannels; | 190 m_numberOfChannels = numberOfChannels; |
| 191 } | 191 } |
| 192 | 192 |
| 193 } // namespace blink | 193 } // namespace blink |
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