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1 /* | 1 /* |
2 * Copyright (C) 2012, Intel Corporation. All rights reserved. | 2 * Copyright (C) 2012, Intel Corporation. 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/AudioBasicInspectorNode.h" | 27 #include "modules/webaudio/AudioBasicInspectorNode.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 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 AudioBasicInspectorHandler::AudioBasicInspectorHandler(NodeType nodeType, AudioN
ode& node, float sampleRate, unsigned outputChannelCount) | 35 AudioBasicInspectorHandler::AudioBasicInspectorHandler(NodeType nodeType, AudioN
ode& node, float sampleRate, unsigned outputChannelCount) |
36 : AudioHandler(nodeType, node, sampleRate) | 36 : AudioHandler(nodeType, node, sampleRate) |
37 , m_needAutomaticPull(false) | 37 , m_needAutomaticPull(false) |
38 { | 38 { |
39 addInput(); | 39 addInput(); |
40 addOutput(outputChannelCount); | 40 addOutput(outputChannelCount); |
41 } | 41 } |
42 | 42 |
43 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, | 43 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, |
44 // where the input is simply passed through unprocessed to the output. | 44 // where the input is simply passed through unprocessed to the output. |
45 // Note: this only applies if the input and output channel counts match. | 45 // Note: this only applies if the input and output channel counts match. |
46 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) | 46 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) |
47 { | 47 { |
48 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... | 48 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... |
49 input(0).pull(output(0).bus(), framesToProcess); | 49 input(0).pull(output(0).bus(), framesToProcess); |
50 } | 50 } |
51 | 51 |
52 void AudioBasicInspectorNode::connect(AudioNode* destination, unsigned outputInd
ex, unsigned inputIndex, ExceptionState& exceptionState) | 52 void AudioBasicInspectorNode::connect(AudioNode* destination, unsigned outputInd
ex, unsigned inputIndex, ExceptionState& exceptionState) |
53 { | 53 { |
54 ASSERT(isMainThread()); | 54 ASSERT(isMainThread()); |
55 | 55 |
56 AudioContext::AutoLocker locker(context()); | 56 AbstractAudioContext::AutoLocker locker(context()); |
57 | 57 |
58 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); | 58 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); |
59 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 59 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
60 } | 60 } |
61 | 61 |
62 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) | 62 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) |
63 { | 63 { |
64 ASSERT(isMainThread()); | 64 ASSERT(isMainThread()); |
65 | 65 |
66 AudioContext::AutoLocker locker(context()); | 66 AbstractAudioContext::AutoLocker locker(context()); |
67 | 67 |
68 AudioNode::disconnect(outputIndex, exceptionState); | 68 AudioNode::disconnect(outputIndex, exceptionState); |
69 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 69 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
70 } | 70 } |
71 | 71 |
72 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) | 72 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) |
73 { | 73 { |
74 ASSERT(context()->isAudioThread()); | 74 ASSERT(context()->isAudioThread()); |
75 ASSERT(context()->isGraphOwner()); | 75 ASSERT(context()->isGraphOwner()); |
76 | 76 |
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112 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. | 112 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. |
113 context()->deferredTaskHandler().removeAutomaticPullNode(this); | 113 context()->deferredTaskHandler().removeAutomaticPullNode(this); |
114 m_needAutomaticPull = false; | 114 m_needAutomaticPull = false; |
115 } | 115 } |
116 } | 116 } |
117 } | 117 } |
118 | 118 |
119 } // namespace blink | 119 } // namespace blink |
120 | 120 |
121 #endif // ENABLE(WEB_AUDIO) | 121 #endif // ENABLE(WEB_AUDIO) |
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