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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 "bindings/core/v8/ExceptionMessages.h" | 25 #include "bindings/core/v8/ExceptionMessages.h" |
26 #include "bindings/core/v8/ExceptionState.h" | 26 #include "bindings/core/v8/ExceptionState.h" |
27 #include "core/dom/ExceptionCode.h" | 27 #include "core/dom/ExceptionCode.h" |
28 #include "core/frame/UseCounter.h" | 28 #include "core/frame/UseCounter.h" |
29 #include "modules/webaudio/AudioBufferSourceNode.h" | 29 #include "modules/webaudio/AudioBufferSourceNode.h" |
| 30 #include "modules/webaudio/AudioBufferSourceOptions.h" |
30 #include "modules/webaudio/AudioNodeOutput.h" | 31 #include "modules/webaudio/AudioNodeOutput.h" |
31 #include "modules/webaudio/BaseAudioContext.h" | 32 #include "modules/webaudio/BaseAudioContext.h" |
32 #include "platform/audio/AudioUtilities.h" | 33 #include "platform/audio/AudioUtilities.h" |
33 #include "wtf/MathExtras.h" | 34 #include "wtf/MathExtras.h" |
34 #include "wtf/PtrUtil.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 |
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606 DCHECK(isMainThread()); | 607 DCHECK(isMainThread()); |
607 | 608 |
608 if (context.isContextClosed()) { | 609 if (context.isContextClosed()) { |
609 context.throwExceptionForClosedState(exceptionState); | 610 context.throwExceptionForClosedState(exceptionState); |
610 return nullptr; | 611 return nullptr; |
611 } | 612 } |
612 | 613 |
613 return new AudioBufferSourceNode(context); | 614 return new AudioBufferSourceNode(context); |
614 } | 615 } |
615 | 616 |
| 617 AudioBufferSourceNode* AudioBufferSourceNode::create(BaseAudioContext* context,
AudioBufferSourceOptions& options, ExceptionState& exceptionState) |
| 618 { |
| 619 DCHECK(isMainThread()); |
| 620 |
| 621 AudioBufferSourceNode* node = create(*context, exceptionState); |
| 622 |
| 623 if (!node) |
| 624 return nullptr; |
| 625 |
| 626 if (options.hasBuffer()) |
| 627 node->setBuffer(options.buffer(), exceptionState); |
| 628 if (options.hasDetune()) |
| 629 node->detune()->setValue(options.detune()); |
| 630 if (options.hasLoop()) |
| 631 node->setLoop(options.loop()); |
| 632 if (options.hasLoopEnd()) |
| 633 node->setLoopEnd(options.loopEnd()); |
| 634 if (options.hasLoopStart()) |
| 635 node->setLoopStart(options.loopStart()); |
| 636 if (options.hasPlaybackRate()) |
| 637 node->playbackRate()->setValue(options.playbackRate()); |
| 638 |
| 639 return node; |
| 640 } |
| 641 |
616 DEFINE_TRACE(AudioBufferSourceNode) | 642 DEFINE_TRACE(AudioBufferSourceNode) |
617 { | 643 { |
618 visitor->trace(m_playbackRate); | 644 visitor->trace(m_playbackRate); |
619 visitor->trace(m_detune); | 645 visitor->trace(m_detune); |
620 AudioScheduledSourceNode::trace(visitor); | 646 AudioScheduledSourceNode::trace(visitor); |
621 } | 647 } |
622 | 648 |
623 AudioBufferSourceHandler& AudioBufferSourceNode::audioBufferSourceHandler() cons
t | 649 AudioBufferSourceHandler& AudioBufferSourceNode::audioBufferSourceHandler() cons
t |
624 { | 650 { |
625 return static_cast<AudioBufferSourceHandler&>(handler()); | 651 return static_cast<AudioBufferSourceHandler&>(handler()); |
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689 { | 715 { |
690 audioBufferSourceHandler().start(when, grainOffset, exceptionState); | 716 audioBufferSourceHandler().start(when, grainOffset, exceptionState); |
691 } | 717 } |
692 | 718 |
693 void AudioBufferSourceNode::start(double when, double grainOffset, double grainD
uration, ExceptionState& exceptionState) | 719 void AudioBufferSourceNode::start(double when, double grainOffset, double grainD
uration, ExceptionState& exceptionState) |
694 { | 720 { |
695 audioBufferSourceHandler().start(when, grainOffset, grainDuration, exception
State); | 721 audioBufferSourceHandler().start(when, grainOffset, grainDuration, exception
State); |
696 } | 722 } |
697 | 723 |
698 } // namespace blink | 724 } // namespace blink |
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