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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 "config.h" | 25 #include "config.h" |
26 #if ENABLE(WEB_AUDIO) | 26 #if ENABLE(WEB_AUDIO) |
27 #include "modules/webaudio/AudioDestinationNode.h" | 27 #include "modules/webaudio/AudioDestinationNode.h" |
28 | 28 |
29 #include "modules/webaudio/AudioContext.h" | 29 #include "modules/webaudio/AbstractAudioContext.h" |
30 #include "modules/webaudio/AudioNodeInput.h" | 30 #include "modules/webaudio/AudioNodeInput.h" |
31 #include "modules/webaudio/AudioNodeOutput.h" | 31 #include "modules/webaudio/AudioNodeOutput.h" |
32 #include "platform/audio/AudioUtilities.h" | 32 #include "platform/audio/AudioUtilities.h" |
33 #include "platform/audio/DenormalDisabler.h" | 33 #include "platform/audio/DenormalDisabler.h" |
34 #include "wtf/Atomics.h" | 34 #include "wtf/Atomics.h" |
35 | 35 |
36 namespace blink { | 36 namespace blink { |
37 | 37 |
38 AudioDestinationHandler::AudioDestinationHandler(AudioNode& node, float sampleRa
te) | 38 AudioDestinationHandler::AudioDestinationHandler(AudioNode& node, float sampleRa
te) |
39 : AudioHandler(NodeTypeDestination, node, sampleRate) | 39 : AudioHandler(NodeTypeDestination, node, sampleRate) |
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90 // Let the context take care of any business at the end of each render quant
um. | 90 // Let the context take care of any business at the end of each render quant
um. |
91 context()->handlePostRenderTasks(); | 91 context()->handlePostRenderTasks(); |
92 | 92 |
93 // Advance current sample-frame. | 93 // Advance current sample-frame. |
94 size_t newSampleFrame = m_currentSampleFrame + numberOfFrames; | 94 size_t newSampleFrame = m_currentSampleFrame + numberOfFrames; |
95 releaseStore(&m_currentSampleFrame, newSampleFrame); | 95 releaseStore(&m_currentSampleFrame, newSampleFrame); |
96 } | 96 } |
97 | 97 |
98 // ---------------------------------------------------------------- | 98 // ---------------------------------------------------------------- |
99 | 99 |
100 AudioDestinationNode::AudioDestinationNode(AudioContext& context) | 100 AudioDestinationNode::AudioDestinationNode(AbstractAudioContext& context) |
101 : AudioNode(context) | 101 : AudioNode(context) |
102 { | 102 { |
103 } | 103 } |
104 | 104 |
105 AudioDestinationHandler& AudioDestinationNode::audioDestinationHandler() const | 105 AudioDestinationHandler& AudioDestinationNode::audioDestinationHandler() const |
106 { | 106 { |
107 return static_cast<AudioDestinationHandler&>(handler()); | 107 return static_cast<AudioDestinationHandler&>(handler()); |
108 } | 108 } |
109 | 109 |
110 unsigned long AudioDestinationNode::maxChannelCount() const | 110 unsigned long AudioDestinationNode::maxChannelCount() const |
111 { | 111 { |
112 return audioDestinationHandler().maxChannelCount(); | 112 return audioDestinationHandler().maxChannelCount(); |
113 } | 113 } |
114 | 114 |
115 } // namespace blink | 115 } // namespace blink |
116 | 116 |
117 #endif // ENABLE(WEB_AUDIO) | 117 #endif // ENABLE(WEB_AUDIO) |
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