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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/DynamicsCompressor.h" |
30 | |
31 #if ENABLE(WEB_AUDIO) | |
32 #include "platform/audio/AudioBus.h" | 30 #include "platform/audio/AudioBus.h" |
33 #include "platform/audio/AudioUtilities.h" | 31 #include "platform/audio/AudioUtilities.h" |
34 #include "wtf/MathExtras.h" | 32 #include "wtf/MathExtras.h" |
35 | 33 |
36 namespace blink { | 34 namespace blink { |
37 | 35 |
38 using namespace AudioUtilities; | 36 using namespace AudioUtilities; |
39 | 37 |
40 DynamicsCompressor::DynamicsCompressor(float sampleRate, unsigned numberOfChanne
ls) | 38 DynamicsCompressor::DynamicsCompressor(float sampleRate, unsigned numberOfChanne
ls) |
41 : m_numberOfChannels(numberOfChannels) | 39 : m_numberOfChannels(numberOfChannels) |
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199 { | 197 { |
200 m_sourceChannels = adoptArrayPtr(new const float* [numberOfChannels]); | 198 m_sourceChannels = adoptArrayPtr(new const float* [numberOfChannels]); |
201 m_destinationChannels = adoptArrayPtr(new float* [numberOfChannels]); | 199 m_destinationChannels = adoptArrayPtr(new float* [numberOfChannels]); |
202 | 200 |
203 m_compressor.setNumberOfChannels(numberOfChannels); | 201 m_compressor.setNumberOfChannels(numberOfChannels); |
204 m_numberOfChannels = numberOfChannels; | 202 m_numberOfChannels = numberOfChannels; |
205 } | 203 } |
206 | 204 |
207 } // namespace blink | 205 } // namespace blink |
208 | 206 |
209 #endif // ENABLE(WEB_AUDIO) | |
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