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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 #ifndef AudioBasicInspectorNode_h | 25 #ifndef AudioBasicInspectorNode_h |
26 #define AudioBasicInspectorNode_h | 26 #define AudioBasicInspectorNode_h |
27 | 27 |
28 #include "modules/webaudio/AudioNode.h" | 28 #include "modules/webaudio/AudioNode.h" |
29 | 29 |
30 namespace WebCore { | 30 namespace blink { |
31 | 31 |
32 class ExceptionState; | 32 class ExceptionState; |
33 | 33 |
34 // AudioBasicInspectorNode is an AudioNode with one input and one output where t
he output might not necessarily connect to another node's input. | 34 // AudioBasicInspectorNode is an AudioNode with one input and one output where t
he output might not necessarily connect to another node's input. |
35 // If the output is not connected to any other node, then the AudioBasicInspecto
rNode's processIfNecessary() function will be called automatically by | 35 // If the output is not connected to any other node, then the AudioBasicInspecto
rNode's processIfNecessary() function will be called automatically by |
36 // AudioContext before the end of each render quantum so that it can inspect the
audio stream. | 36 // AudioContext before the end of each render quantum so that it can inspect the
audio stream. |
37 class AudioBasicInspectorNode : public AudioNode { | 37 class AudioBasicInspectorNode : public AudioNode { |
38 public: | 38 public: |
39 AudioBasicInspectorNode(AudioContext*, float sampleRate, unsigned outputChan
nelCount); | 39 AudioBasicInspectorNode(AudioContext*, float sampleRate, unsigned outputChan
nelCount); |
40 | 40 |
41 // AudioNode | 41 // AudioNode |
42 virtual void pullInputs(size_t framesToProcess) OVERRIDE FINAL; | 42 virtual void pullInputs(size_t framesToProcess) OVERRIDE FINAL; |
43 virtual void connect(AudioNode*, unsigned outputIndex, unsigned inputIndex,
ExceptionState&) OVERRIDE FINAL; | 43 virtual void connect(AudioNode*, unsigned outputIndex, unsigned inputIndex,
ExceptionState&) OVERRIDE FINAL; |
44 virtual void disconnect(unsigned outputIndex, ExceptionState&) OVERRIDE FINA
L; | 44 virtual void disconnect(unsigned outputIndex, ExceptionState&) OVERRIDE FINA
L; |
45 virtual void checkNumberOfChannelsForInput(AudioNodeInput*) OVERRIDE FINAL; | 45 virtual void checkNumberOfChannelsForInput(AudioNodeInput*) OVERRIDE FINAL; |
46 | 46 |
47 private: | 47 private: |
48 void updatePullStatus(); | 48 void updatePullStatus(); |
49 bool m_needAutomaticPull; // When setting to true, AudioBasicInspectorNode w
ill be pulled automaticlly by AudioContext before the end of each render quantum
. | 49 bool m_needAutomaticPull; // When setting to true, AudioBasicInspectorNode w
ill be pulled automaticlly by AudioContext before the end of each render quantum
. |
50 }; | 50 }; |
51 | 51 |
52 } // namespace WebCore | 52 } // namespace blink |
53 | 53 |
54 #endif // AudioBasicInspectorNode_h | 54 #endif // AudioBasicInspectorNode_h |
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