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Side by Side Diff: Source/modules/webaudio/AudioNodeOutput.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) 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/AudioNodeOutput.h" 27 #include "modules/webaudio/AudioNodeOutput.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 "wtf/Threading.h" 31 #include "wtf/Threading.h"
32 32
33 namespace blink { 33 namespace blink {
34 34
35 inline AudioNodeOutput::AudioNodeOutput(AudioHandler* handler, unsigned numberOf Channels) 35 inline AudioNodeOutput::AudioNodeOutput(AudioHandler* handler, unsigned numberOf Channels)
36 : m_handler(*handler) 36 : m_handler(*handler)
37 , m_numberOfChannels(numberOfChannels) 37 , m_numberOfChannels(numberOfChannels)
38 , m_desiredNumberOfChannels(numberOfChannels) 38 , m_desiredNumberOfChannels(numberOfChannels)
39 , m_isInPlace(false) 39 , m_isInPlace(false)
40 , m_isEnabled(true) 40 , m_isEnabled(true)
41 #if ENABLE_ASSERT 41 #if ENABLE_ASSERT
42 , m_didCallDispose(false) 42 , m_didCallDispose(false)
43 #endif 43 #endif
44 , m_renderingFanOutCount(0) 44 , m_renderingFanOutCount(0)
45 , m_renderingParamFanOutCount(0) 45 , m_renderingParamFanOutCount(0)
46 { 46 {
47 ASSERT(numberOfChannels <= AudioContext::maxNumberOfChannels()); 47 ASSERT(numberOfChannels <= AbstractAudioContext::maxNumberOfChannels());
48 48
49 m_internalBus = AudioBus::create(numberOfChannels, AudioHandler::ProcessingS izeInFrames); 49 m_internalBus = AudioBus::create(numberOfChannels, AudioHandler::ProcessingS izeInFrames);
50 } 50 }
51 51
52 PassOwnPtr<AudioNodeOutput> AudioNodeOutput::create(AudioHandler* handler, unsig ned numberOfChannels) 52 PassOwnPtr<AudioNodeOutput> AudioNodeOutput::create(AudioHandler* handler, unsig ned numberOfChannels)
53 { 53 {
54 return adoptPtr(new AudioNodeOutput(handler, numberOfChannels)); 54 return adoptPtr(new AudioNodeOutput(handler, numberOfChannels));
55 } 55 }
56 56
57 void AudioNodeOutput::dispose() 57 void AudioNodeOutput::dispose()
58 { 58 {
59 #if ENABLE_ASSERT 59 #if ENABLE_ASSERT
60 m_didCallDispose = true; 60 m_didCallDispose = true;
61 #endif 61 #endif
62 deferredTaskHandler().removeMarkedAudioNodeOutput(this); 62 deferredTaskHandler().removeMarkedAudioNodeOutput(this);
63 disconnectAll(); 63 disconnectAll();
64 ASSERT(m_inputs.isEmpty()); 64 ASSERT(m_inputs.isEmpty());
65 ASSERT(m_params.isEmpty()); 65 ASSERT(m_params.isEmpty());
66 } 66 }
67 67
68 void AudioNodeOutput::setNumberOfChannels(unsigned numberOfChannels) 68 void AudioNodeOutput::setNumberOfChannels(unsigned numberOfChannels)
69 { 69 {
70 ASSERT(numberOfChannels <= AudioContext::maxNumberOfChannels()); 70 ASSERT(numberOfChannels <= AbstractAudioContext::maxNumberOfChannels());
71 ASSERT(deferredTaskHandler().isGraphOwner()); 71 ASSERT(deferredTaskHandler().isGraphOwner());
72 72
73 m_desiredNumberOfChannels = numberOfChannels; 73 m_desiredNumberOfChannels = numberOfChannels;
74 74
75 if (deferredTaskHandler().isAudioThread()) { 75 if (deferredTaskHandler().isAudioThread()) {
76 // If we're in the audio thread then we can take care of it right away ( we should be at the very start or end of a rendering quantum). 76 // If we're in the audio thread then we can take care of it right away ( we should be at the very start or end of a rendering quantum).
77 updateNumberOfChannels(); 77 updateNumberOfChannels();
78 } else { 78 } else {
79 ASSERT(!m_didCallDispose); 79 ASSERT(!m_didCallDispose);
80 // Let the context take care of it in the audio thread in the pre and po st render tasks. 80 // Let the context take care of it in the audio thread in the pre and po st render tasks.
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257 if (!m_isEnabled) { 257 if (!m_isEnabled) {
258 m_isEnabled = true; 258 m_isEnabled = true;
259 for (AudioNodeInput* i : m_inputs) 259 for (AudioNodeInput* i : m_inputs)
260 i->enable(*this); 260 i->enable(*this);
261 } 261 }
262 } 262 }
263 263
264 } // namespace blink 264 } // namespace blink
265 265
266 #endif // ENABLE(WEB_AUDIO) 266 #endif // ENABLE(WEB_AUDIO)
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