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Side by Side Diff: Source/modules/webaudio/OfflineAudioDestinationNode.cpp

Issue 1214463003: Split "Online" and "Offline" AudioContext processing (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Bring to ToT Created 5 years, 5 months ago
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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
(...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after
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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