| /* |
| * Copyright (C) 2011, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef WebAudioSourceProvider_h |
| #define WebAudioSourceProvider_h |
| |
| #include "WebVector.h" |
| |
| namespace blink { |
| |
| class WebAudioSourceProviderClient; |
| |
| // Abstract interface for a pull-model client. |
| class WebAudioSourceProvider { |
| public: |
| virtual ~WebAudioSourceProvider() {} |
| |
| // provideInput() gets called repeatedly to render time-slices of a continuous |
| // audio stream. |
| virtual void provideInput(const WebVector<float*>& audioData, |
| size_t numberOfFrames) = 0; |
| |
| // If a client is set, we call it back when the audio format is available. |
| virtual void setClient(WebAudioSourceProviderClient*) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebAudioSourceProvider_h |
