| /* |
| * 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 AsyncAudioDecoder_h |
| #define AsyncAudioDecoder_h |
| |
| #include "public/platform/WebThread.h" |
| #include "wtf/Forward.h" |
| #include "wtf/OwnPtr.h" |
| |
| namespace WebCore { |
| |
| class AudioBuffer; |
| class AudioBufferCallback; |
| |
| // AsyncAudioDecoder asynchronously decodes audio file data from an ArrayBuffer in a worker thread. |
| // Upon successful decoding, a completion callback will be invoked with the decoded PCM data in an AudioBuffer. |
| |
| class AsyncAudioDecoder { |
| WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder); |
| public: |
| AsyncAudioDecoder(); |
| ~AsyncAudioDecoder(); |
| |
| // Must be called on the main thread. |
| void decodeAsync(ArrayBuffer* audioData, float sampleRate, PassOwnPtr<AudioBufferCallback> successCallback, PassOwnPtr<AudioBufferCallback> errorCallback); |
| |
| private: |
| static void decode(ArrayBuffer* audioData, float sampleRate, AudioBufferCallback* successCallback, AudioBufferCallback* errorCallback); |
| static void notifyComplete(ArrayBuffer* audioData, AudioBufferCallback* successCallback, AudioBufferCallback* errorCallback, AudioBuffer*); |
| |
| OwnPtr<blink::WebThread> m_thread; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // AsyncAudioDecoder_h |