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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp

Issue 2050123002: Remove OwnPtr from Blink. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: First attempt to land. Created 4 years, 6 months ago
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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 "modules/webaudio/AudioBufferSourceNode.h"
26 #include "bindings/core/v8/ExceptionMessages.h" 25 #include "bindings/core/v8/ExceptionMessages.h"
27 #include "bindings/core/v8/ExceptionState.h" 26 #include "bindings/core/v8/ExceptionState.h"
28 #include "core/dom/ExceptionCode.h" 27 #include "core/dom/ExceptionCode.h"
29 #include "core/frame/UseCounter.h" 28 #include "core/frame/UseCounter.h"
30 #include "modules/webaudio/AbstractAudioContext.h" 29 #include "modules/webaudio/AbstractAudioContext.h"
30 #include "modules/webaudio/AudioBufferSourceNode.h"
31 #include "modules/webaudio/AudioNodeOutput.h" 31 #include "modules/webaudio/AudioNodeOutput.h"
32 #include "platform/FloatConversion.h" 32 #include "platform/FloatConversion.h"
33 #include "platform/audio/AudioUtilities.h" 33 #include "platform/audio/AudioUtilities.h"
34 #include "wtf/MathExtras.h" 34 #include "wtf/MathExtras.h"
35 #include "wtf/PtrUtil.h"
35 #include <algorithm> 36 #include <algorithm>
36 37
37 namespace blink { 38 namespace blink {
38 39
39 const double DefaultGrainDuration = 0.020; // 20ms 40 const double DefaultGrainDuration = 0.020; // 20ms
40 41
41 // Arbitrary upper limit on playback rate. 42 // Arbitrary upper limit on playback rate.
42 // Higher than expected rates can be useful when playing back oversampled buffer s 43 // Higher than expected rates can be useful when playing back oversampled buffer s
43 // to minimize linear interpolation aliasing. 44 // to minimize linear interpolation aliasing.
44 const double MaxRate = 1024; 45 const double MaxRate = 1024;
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362 numberOfChannels, 363 numberOfChannels,
363 1u, 364 1u,
364 ExceptionMessages::InclusiveBound, 365 ExceptionMessages::InclusiveBound,
365 AbstractAudioContext::maxNumberOfChannels(), 366 AbstractAudioContext::maxNumberOfChannels(),
366 ExceptionMessages::InclusiveBound)); 367 ExceptionMessages::InclusiveBound));
367 return; 368 return;
368 } 369 }
369 370
370 output(0).setNumberOfChannels(numberOfChannels); 371 output(0).setNumberOfChannels(numberOfChannels);
371 372
372 m_sourceChannels = adoptArrayPtr(new const float* [numberOfChannels]); 373 m_sourceChannels = wrapArrayUnique(new const float* [numberOfChannels]);
373 m_destinationChannels = adoptArrayPtr(new float* [numberOfChannels]); 374 m_destinationChannels = wrapArrayUnique(new float* [numberOfChannels]);
374 375
375 for (unsigned i = 0; i < numberOfChannels; ++i) 376 for (unsigned i = 0; i < numberOfChannels; ++i)
376 m_sourceChannels[i] = buffer->getChannelData(i)->data(); 377 m_sourceChannels[i] = buffer->getChannelData(i)->data();
377 378
378 // If this is a grain (as set by a previous call to start()), validate t he grain parameters 379 // If this is a grain (as set by a previous call to start()), validate t he grain parameters
379 // now since it wasn't validated when start was called (because there wa s no buffer then). 380 // now since it wasn't validated when start was called (because there wa s no buffer then).
380 if (m_isGrain) 381 if (m_isGrain)
381 clampGrainParameters(buffer); 382 clampGrainParameters(buffer);
382 } 383 }
383 384
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683 { 684 {
684 audioBufferSourceHandler().start(when, grainOffset, exceptionState); 685 audioBufferSourceHandler().start(when, grainOffset, exceptionState);
685 } 686 }
686 687
687 void AudioBufferSourceNode::start(double when, double grainOffset, double grainD uration, ExceptionState& exceptionState) 688 void AudioBufferSourceNode::start(double when, double grainOffset, double grainD uration, ExceptionState& exceptionState)
688 { 689 {
689 audioBufferSourceHandler().start(when, grainOffset, grainDuration, exception State); 690 audioBufferSourceHandler().start(when, grainOffset, grainDuration, exception State);
690 } 691 }
691 692
692 } // namespace blink 693 } // namespace blink
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