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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011, Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 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 |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * ANY 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 |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #ifndef WebAudioSourceProvider_h | 25 #ifndef WebAudioSourceProvider_h |
| 26 #define WebAudioSourceProvider_h | 26 #define WebAudioSourceProvider_h |
| 27 | 27 |
| 28 #include "WebVector.h" | 28 #include "WebVector.h" |
| 29 | 29 |
| 30 namespace blink { | 30 namespace blink { |
| 31 | 31 |
| 32 class WebAudioSourceProviderClient; | 32 class WebAudioSourceProviderClient; |
| 33 | 33 |
| 34 // Abstract interface for a pull-model client. | 34 // Abstract interface for a pull-model client. |
| 35 class WebAudioSourceProvider { | 35 class WebAudioSourceProvider { |
| 36 public: | 36 public: |
| 37 virtual ~WebAudioSourceProvider() {} | 37 virtual ~WebAudioSourceProvider() {} |
| 38 | 38 |
| 39 // provideInput() gets called repeatedly to render time-slices of a continuous
audio stream. | 39 // provideInput() gets called repeatedly to render time-slices of a continuous |
| 40 // audio stream. |
| 40 virtual void provideInput(const WebVector<float*>& audioData, | 41 virtual void provideInput(const WebVector<float*>& audioData, |
| 41 size_t numberOfFrames) = 0; | 42 size_t numberOfFrames) = 0; |
| 42 | 43 |
| 43 // If a client is set, we call it back when the audio format is available. | 44 // If a client is set, we call it back when the audio format is available. |
| 44 virtual void setClient(WebAudioSourceProviderClient*) {} | 45 virtual void setClient(WebAudioSourceProviderClient*) {} |
| 45 }; | 46 }; |
| 46 | 47 |
| 47 } // namespace blink | 48 } // namespace blink |
| 48 | 49 |
| 49 #endif // WebAudioSourceProvider_h | 50 #endif // WebAudioSourceProvider_h |
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