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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 |
| (...skipping 11 matching lines...) Expand all Loading... |
| 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 WebCore { |
| 31 | 31 |
| 32 class ExceptionState; | |
| 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. | 32 // 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 | 33 // 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. | 34 // AudioContext before the end of each render quantum so that it can inspect the
audio stream. |
| 37 class AudioBasicInspectorNode : public AudioNode { | 35 class AudioBasicInspectorNode : public AudioNode { |
| 38 public: | 36 public: |
| 39 AudioBasicInspectorNode(AudioContext*, float sampleRate, unsigned outputChan
nelCount); | 37 AudioBasicInspectorNode(AudioContext*, float sampleRate, unsigned outputChan
nelCount); |
| 40 | 38 |
| 41 // AudioNode | 39 // AudioNode |
| 42 virtual void pullInputs(size_t framesToProcess); | 40 virtual void pullInputs(size_t framesToProcess); |
| 43 virtual void connect(AudioNode*, unsigned outputIndex, unsigned inputIndex,
ExceptionState&); | 41 virtual void connect(AudioNode*, unsigned outputIndex, unsigned inputIndex,
ExceptionCode&); |
| 44 virtual void disconnect(unsigned outputIndex, ExceptionState&); | 42 virtual void disconnect(unsigned outputIndex, ExceptionCode&); |
| 45 virtual void checkNumberOfChannelsForInput(AudioNodeInput*); | 43 virtual void checkNumberOfChannelsForInput(AudioNodeInput*); |
| 46 | 44 |
| 47 private: | 45 private: |
| 48 void updatePullStatus(); | 46 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
. | 47 bool m_needAutomaticPull; // When setting to true, AudioBasicInspectorNode w
ill be pulled automaticlly by AudioContext before the end of each render quantum
. |
| 50 }; | 48 }; |
| 51 | 49 |
| 52 } // namespace WebCore | 50 } // namespace WebCore |
| 53 | 51 |
| 54 #endif // AudioBasicInspectorNode_h | 52 #endif // AudioBasicInspectorNode_h |
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