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| 1 /* | |
| 2 * Copyright (C) 2011, Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 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 | |
| 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 | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 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 | |
| 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 | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #ifndef WebAudioSourceProvider_h | |
| 26 #define WebAudioSourceProvider_h | |
| 27 | |
| 28 #include "../platform/WebVector.h" | |
| 29 | |
| 30 namespace WebKit { | |
| 31 | |
| 32 class WebAudioSourceProviderClient; | |
| 33 | |
| 34 // Abstract interface for a pull-model client. | |
| 35 class WebAudioSourceProvider { | |
| 36 public: | |
| 37 // provideInput() gets called repeatedly to render time-slices of a continuo
us audio stream. | |
| 38 virtual void provideInput(const WebVector<float*>& audioData, size_t numberO
fFrames) = 0; | |
| 39 | |
| 40 // If a client is set, we call it back when the audio format is available. | |
| 41 virtual void setClient(WebAudioSourceProviderClient*) { }; | |
| 42 | |
| 43 protected: | |
| 44 virtual ~WebAudioSourceProvider() { } | |
| 45 }; | |
| 46 | |
| 47 } // WebKit | |
| 48 | |
| 49 #endif // WebAudioSourceProvider_h | |
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