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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 | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
| 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| 23 * DAMAGE. | 23 * DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "modules/webaudio/OfflineAudioDestinationNode.h" | 26 #include "modules/webaudio/OfflineAudioDestinationNode.h" |
| 27 | 27 |
| 28 #include "core/dom/ExecutionContextTask.h" | 28 #include "core/dom/ExecutionContextTask.h" |
| 29 #include "core/dom/TaskRunnerHelper.h" |
| 29 #include "modules/webaudio/AudioNodeInput.h" | 30 #include "modules/webaudio/AudioNodeInput.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 "modules/webaudio/OfflineAudioContext.h" | 33 #include "modules/webaudio/OfflineAudioContext.h" |
| 33 #include "platform/audio/AudioBus.h" | 34 #include "platform/audio/AudioBus.h" |
| 34 #include "platform/audio/AudioUtilities.h" | 35 #include "platform/audio/AudioUtilities.h" |
| 35 #include "platform/audio/DenormalDisabler.h" | 36 #include "platform/audio/DenormalDisabler.h" |
| 36 #include "platform/audio/HRTFDatabaseLoader.h" | 37 #include "platform/audio/HRTFDatabaseLoader.h" |
| 37 #include "public/platform/Platform.h" | 38 #include "public/platform/Platform.h" |
| 38 #include "wtf/PtrUtil.h" | 39 #include "wtf/PtrUtil.h" |
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| 209 if (!m_framesToProcess) | 210 if (!m_framesToProcess) |
| 210 finishOfflineRendering(); | 211 finishOfflineRendering(); |
| 211 } | 212 } |
| 212 | 213 |
| 213 void OfflineAudioDestinationHandler::suspendOfflineRendering() { | 214 void OfflineAudioDestinationHandler::suspendOfflineRendering() { |
| 214 DCHECK(!isMainThread()); | 215 DCHECK(!isMainThread()); |
| 215 | 216 |
| 216 // The actual rendering has been suspended. Notify the context. | 217 // The actual rendering has been suspended. Notify the context. |
| 217 if (context()->getExecutionContext()) { | 218 if (context()->getExecutionContext()) { |
| 218 context()->getExecutionContext()->postTask( | 219 context()->getExecutionContext()->postTask( |
| 219 BLINK_FROM_HERE, | 220 TaskType::MediaElementEvent, BLINK_FROM_HERE, |
| 220 createCrossThreadTask(&OfflineAudioDestinationHandler::notifySuspend, | 221 createCrossThreadTask(&OfflineAudioDestinationHandler::notifySuspend, |
| 221 PassRefPtr<OfflineAudioDestinationHandler>(this), | 222 PassRefPtr<OfflineAudioDestinationHandler>(this), |
| 222 context()->currentSampleFrame())); | 223 context()->currentSampleFrame())); |
| 223 } | 224 } |
| 224 } | 225 } |
| 225 | 226 |
| 226 void OfflineAudioDestinationHandler::finishOfflineRendering() { | 227 void OfflineAudioDestinationHandler::finishOfflineRendering() { |
| 227 DCHECK(!isMainThread()); | 228 DCHECK(!isMainThread()); |
| 228 | 229 |
| 229 // The actual rendering has been completed. Notify the context. | 230 // The actual rendering has been completed. Notify the context. |
| 230 if (context()->getExecutionContext()) { | 231 if (context()->getExecutionContext()) { |
| 231 context()->getExecutionContext()->postTask( | 232 context()->getExecutionContext()->postTask( |
| 232 BLINK_FROM_HERE, createCrossThreadTask( | 233 TaskType::MediaElementEvent, BLINK_FROM_HERE, |
| 233 &OfflineAudioDestinationHandler::notifyComplete, | 234 createCrossThreadTask(&OfflineAudioDestinationHandler::notifyComplete, |
| 234 PassRefPtr<OfflineAudioDestinationHandler>(this))); | 235 wrapPassRefPtr(this))); |
| 235 } | 236 } |
| 236 } | 237 } |
| 237 | 238 |
| 238 void OfflineAudioDestinationHandler::notifySuspend(size_t frame) { | 239 void OfflineAudioDestinationHandler::notifySuspend(size_t frame) { |
| 239 DCHECK(isMainThread()); | 240 DCHECK(isMainThread()); |
| 240 | 241 |
| 241 if (context()) | 242 if (context()) |
| 242 context()->resolveSuspendOnMainThread(frame); | 243 context()->resolveSuspendOnMainThread(frame); |
| 243 } | 244 } |
| 244 | 245 |
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| 330 setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget)); | 331 setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget)); |
| 331 } | 332 } |
| 332 | 333 |
| 333 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create( | 334 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create( |
| 334 BaseAudioContext* context, | 335 BaseAudioContext* context, |
| 335 AudioBuffer* renderTarget) { | 336 AudioBuffer* renderTarget) { |
| 336 return new OfflineAudioDestinationNode(*context, renderTarget); | 337 return new OfflineAudioDestinationNode(*context, renderTarget); |
| 337 } | 338 } |
| 338 | 339 |
| 339 } // namespace blink | 340 } // namespace blink |
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