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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 * 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/OfflineAudioDestinationNode.h" | 27 #include "modules/webaudio/OfflineAudioDestinationNode.h" |
28 | 28 |
29 #include "core/dom/CrossThreadTask.h" | 29 #include "core/dom/CrossThreadTask.h" |
30 #include "modules/webaudio/AudioContext.h" | 30 #include "modules/webaudio/AbstractAudioContext.h" |
31 #include "platform/Task.h" | 31 #include "platform/Task.h" |
32 #include "platform/audio/AudioBus.h" | 32 #include "platform/audio/AudioBus.h" |
33 #include "platform/audio/HRTFDatabaseLoader.h" | 33 #include "platform/audio/HRTFDatabaseLoader.h" |
34 #include "public/platform/Platform.h" | 34 #include "public/platform/Platform.h" |
35 #include <algorithm> | 35 #include <algorithm> |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 const size_t renderQuantumSize = 128; | 39 const size_t renderQuantumSize = 128; |
40 | 40 |
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143 for (unsigned channelIndex = 0; channelIndex < numberOfChannels; ++chann
elIndex) { | 143 for (unsigned channelIndex = 0; channelIndex < numberOfChannels; ++chann
elIndex) { |
144 const float* source = m_renderBus->channel(channelIndex)->data(); | 144 const float* source = m_renderBus->channel(channelIndex)->data(); |
145 float* destination = m_renderTarget->getChannelData(channelIndex)->d
ata(); | 145 float* destination = m_renderTarget->getChannelData(channelIndex)->d
ata(); |
146 memcpy(destination + n, source, sizeof(float) * framesAvailableToCop
y); | 146 memcpy(destination + n, source, sizeof(float) * framesAvailableToCop
y); |
147 } | 147 } |
148 | 148 |
149 n += framesAvailableToCopy; | 149 n += framesAvailableToCopy; |
150 framesToProcess -= framesAvailableToCopy; | 150 framesToProcess -= framesAvailableToCopy; |
151 } | 151 } |
152 | 152 |
153 // Our work is done. Let the AudioContext know. | 153 // Our work is done. Let the AbstractAudioContext know. |
154 if (context()->executionContext()) | 154 if (context()->executionContext()) |
155 context()->executionContext()->postTask(FROM_HERE, createCrossThreadTask
(&OfflineAudioDestinationHandler::notifyComplete, PassRefPtr<OfflineAudioDestina
tionHandler>(this))); | 155 context()->executionContext()->postTask(FROM_HERE, createCrossThreadTask
(&OfflineAudioDestinationHandler::notifyComplete, PassRefPtr<OfflineAudioDestina
tionHandler>(this))); |
156 } | 156 } |
157 | 157 |
158 void OfflineAudioDestinationHandler::notifyComplete() | 158 void OfflineAudioDestinationHandler::notifyComplete() |
159 { | 159 { |
160 // The AudioContext might be gone. | 160 // The AbstractAudioContext might be gone. |
161 if (context()) | 161 if (context()) |
162 context()->fireCompletionEvent(); | 162 context()->fireCompletionEvent(); |
163 } | 163 } |
164 | 164 |
165 // ---------------------------------------------------------------- | 165 // ---------------------------------------------------------------- |
166 | 166 |
167 OfflineAudioDestinationNode::OfflineAudioDestinationNode(AudioContext& context,
AudioBuffer* renderTarget) | 167 OfflineAudioDestinationNode::OfflineAudioDestinationNode(AbstractAudioContext& c
ontext, AudioBuffer* renderTarget) |
168 : AudioDestinationNode(context) | 168 : AudioDestinationNode(context) |
169 { | 169 { |
170 setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget)); | 170 setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget)); |
171 } | 171 } |
172 | 172 |
173 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create(AudioContext* c
ontext, AudioBuffer* renderTarget) | 173 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create(AbstractAudioCo
ntext* context, AudioBuffer* renderTarget) |
174 { | 174 { |
175 return new OfflineAudioDestinationNode(*context, renderTarget); | 175 return new OfflineAudioDestinationNode(*context, renderTarget); |
176 } | 176 } |
177 | 177 |
178 } // namespace blink | 178 } // namespace blink |
179 | 179 |
180 #endif // ENABLE(WEB_AUDIO) | 180 #endif // ENABLE(WEB_AUDIO) |
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