| OLD | NEW |
| 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 "modules/webaudio/ChannelSplitterNode.h" | 25 #include "modules/webaudio/ChannelSplitterNode.h" |
| 26 #include "bindings/core/v8/ExceptionMessages.h" | 26 #include "bindings/core/v8/ExceptionMessages.h" |
| 27 #include "bindings/core/v8/ExceptionState.h" | 27 #include "bindings/core/v8/ExceptionState.h" |
| 28 #include "core/dom/ExceptionCode.h" | 28 #include "core/dom/ExceptionCode.h" |
| 29 #include "modules/webaudio/AbstractAudioContext.h" | |
| 30 #include "modules/webaudio/AudioNodeInput.h" | 29 #include "modules/webaudio/AudioNodeInput.h" |
| 31 #include "modules/webaudio/AudioNodeOutput.h" | 30 #include "modules/webaudio/AudioNodeOutput.h" |
| 31 #include "modules/webaudio/BaseAudioContext.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 ChannelSplitterHandler::ChannelSplitterHandler(AudioNode& node, float sampleRate
, unsigned numberOfOutputs) | 35 ChannelSplitterHandler::ChannelSplitterHandler(AudioNode& node, float sampleRate
, unsigned numberOfOutputs) |
| 36 : AudioHandler(NodeTypeChannelSplitter, node, sampleRate) | 36 : AudioHandler(NodeTypeChannelSplitter, node, sampleRate) |
| 37 { | 37 { |
| 38 addInput(); | 38 addInput(); |
| 39 | 39 |
| 40 // Create a fixed number of outputs (able to handle the maximum number of ch
annels fed to an input). | 40 // Create a fixed number of outputs (able to handle the maximum number of ch
annels fed to an input). |
| 41 for (unsigned i = 0; i < numberOfOutputs; ++i) | 41 for (unsigned i = 0; i < numberOfOutputs; ++i) |
| (...skipping 25 matching lines...) Expand all Loading... |
| 67 destination->channel(0)->copyFrom(source->channel(i)); | 67 destination->channel(0)->copyFrom(source->channel(i)); |
| 68 } else if (output(i).renderingFanOutCount() > 0) { | 68 } else if (output(i).renderingFanOutCount() > 0) { |
| 69 // Only bother zeroing out the destination if it's connected to anyt
hing | 69 // Only bother zeroing out the destination if it's connected to anyt
hing |
| 70 destination->zero(); | 70 destination->zero(); |
| 71 } | 71 } |
| 72 } | 72 } |
| 73 } | 73 } |
| 74 | 74 |
| 75 // ---------------------------------------------------------------- | 75 // ---------------------------------------------------------------- |
| 76 | 76 |
| 77 ChannelSplitterNode::ChannelSplitterNode(AbstractAudioContext& context, unsigned
numberOfOutputs) | 77 ChannelSplitterNode::ChannelSplitterNode(BaseAudioContext& context, unsigned num
berOfOutputs) |
| 78 : AudioNode(context) | 78 : AudioNode(context) |
| 79 { | 79 { |
| 80 setHandler(ChannelSplitterHandler::create(*this, context.sampleRate(), numbe
rOfOutputs)); | 80 setHandler(ChannelSplitterHandler::create(*this, context.sampleRate(), numbe
rOfOutputs)); |
| 81 } | 81 } |
| 82 | 82 |
| 83 ChannelSplitterNode* ChannelSplitterNode::create(AbstractAudioContext& context,
ExceptionState& exceptionState) | 83 ChannelSplitterNode* ChannelSplitterNode::create(BaseAudioContext& context, Exce
ptionState& exceptionState) |
| 84 { | 84 { |
| 85 DCHECK(isMainThread()); | 85 DCHECK(isMainThread()); |
| 86 | 86 |
| 87 // Default number of outputs for the splitter node is 6. | 87 // Default number of outputs for the splitter node is 6. |
| 88 return create(context, 6, exceptionState); | 88 return create(context, 6, exceptionState); |
| 89 } | 89 } |
| 90 | 90 |
| 91 ChannelSplitterNode* ChannelSplitterNode::create(AbstractAudioContext& context,
unsigned numberOfOutputs, ExceptionState& exceptionState) | 91 ChannelSplitterNode* ChannelSplitterNode::create(BaseAudioContext& context, unsi
gned numberOfOutputs, ExceptionState& exceptionState) |
| 92 { | 92 { |
| 93 DCHECK(isMainThread()); | 93 DCHECK(isMainThread()); |
| 94 | 94 |
| 95 if (context.isContextClosed()) { | 95 if (context.isContextClosed()) { |
| 96 context.throwExceptionForClosedState(exceptionState); | 96 context.throwExceptionForClosedState(exceptionState); |
| 97 return nullptr; | 97 return nullptr; |
| 98 } | 98 } |
| 99 | 99 |
| 100 if (!numberOfOutputs || numberOfOutputs > AbstractAudioContext::maxNumberOfC
hannels()) { | 100 if (!numberOfOutputs || numberOfOutputs > BaseAudioContext::maxNumberOfChann
els()) { |
| 101 exceptionState.throwDOMException( | 101 exceptionState.throwDOMException( |
| 102 IndexSizeError, | 102 IndexSizeError, |
| 103 ExceptionMessages::indexOutsideRange<size_t>( | 103 ExceptionMessages::indexOutsideRange<size_t>( |
| 104 "number of outputs", | 104 "number of outputs", |
| 105 numberOfOutputs, | 105 numberOfOutputs, |
| 106 1, | 106 1, |
| 107 ExceptionMessages::InclusiveBound, | 107 ExceptionMessages::InclusiveBound, |
| 108 AbstractAudioContext::maxNumberOfChannels(), | 108 BaseAudioContext::maxNumberOfChannels(), |
| 109 ExceptionMessages::InclusiveBound)); | 109 ExceptionMessages::InclusiveBound)); |
| 110 return nullptr; | 110 return nullptr; |
| 111 } | 111 } |
| 112 | 112 |
| 113 return new ChannelSplitterNode(context, numberOfOutputs); | 113 return new ChannelSplitterNode(context, numberOfOutputs); |
| 114 } | 114 } |
| 115 | 115 |
| 116 } // namespace blink | 116 } // namespace blink |
| 117 | 117 |
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