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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 |
| 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 "modules/webaudio/AudioBuffer.h" | 29 #include "modules/webaudio/AudioBuffer.h" |
| 30 |
| 30 #include "bindings/core/v8/ExceptionMessages.h" | 31 #include "bindings/core/v8/ExceptionMessages.h" |
| 31 #include "bindings/core/v8/ExceptionState.h" | 32 #include "bindings/core/v8/ExceptionState.h" |
| 32 #include "core/dom/ExceptionCode.h" | 33 #include "core/dom/ExceptionCode.h" |
| 33 #include "modules/webaudio/AbstractAudioContext.h" | 34 #include "modules/webaudio/AbstractAudioContext.h" |
| 34 #include "platform/audio/AudioBus.h" | 35 #include "platform/audio/AudioBus.h" |
| 35 #include "platform/audio/AudioFileReader.h" | 36 #include "platform/audio/AudioFileReader.h" |
| 36 #include "platform/audio/AudioUtilities.h" | 37 #include "platform/audio/AudioUtilities.h" |
| 37 #include "wtf/Float32Array.h" | 38 #include "wtf/typed_arrays/Float32Array.h" |
| 38 | 39 |
| 39 namespace blink { | 40 namespace blink { |
| 40 | 41 |
| 41 AudioBuffer* AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrame
s, float sampleRate) | 42 AudioBuffer* AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrame
s, float sampleRate) |
| 42 { | 43 { |
| 43 if (!AudioUtilities::isValidAudioBufferSampleRate(sampleRate) || numberOfCha
nnels > AbstractAudioContext::maxNumberOfChannels() || !numberOfChannels || !num
berOfFrames) | 44 if (!AudioUtilities::isValidAudioBufferSampleRate(sampleRate) || numberOfCha
nnels > AbstractAudioContext::maxNumberOfChannels() || !numberOfChannels || !num
berOfFrames) |
| 44 return nullptr; | 45 return nullptr; |
| 45 | 46 |
| 46 AudioBuffer* buffer = new AudioBuffer(numberOfChannels, numberOfFrames, samp
leRate); | 47 AudioBuffer* buffer = new AudioBuffer(numberOfChannels, numberOfFrames, samp
leRate); |
| 47 | 48 |
| (...skipping 250 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 298 for (unsigned i = 0; i < m_channels.size(); ++i) { | 299 for (unsigned i = 0; i < m_channels.size(); ++i) { |
| 299 if (DOMFloat32Array* array = getChannelData(i)) { | 300 if (DOMFloat32Array* array = getChannelData(i)) { |
| 300 float* data = array->data(); | 301 float* data = array->data(); |
| 301 memset(data, 0, length() * sizeof(*data)); | 302 memset(data, 0, length() * sizeof(*data)); |
| 302 } | 303 } |
| 303 } | 304 } |
| 304 } | 305 } |
| 305 | 306 |
| 306 } // namespace blink | 307 } // namespace blink |
| 307 | 308 |
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