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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef AudioFileReaderMac_h
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#define AudioFileReaderMac_h
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#include <AudioToolbox/AudioFile.h>
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#include <AudioToolbox/ExtendedAudioFile.h>
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#include <wtf/PassOwnPtr.h>
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// Wrapper class for AudioFile and ExtAudioFile CoreAudio APIs for reading files and in-memory versions of them...
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class AudioFileReader {
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AudioFileReader(const char* filePath);
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AudioFileReader(const void* data, size_t dataSize);
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PassOwnPtr<AudioBus> createBus(float sampleRate, bool mixToMono);
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const void* data() const { return m_data; }
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size_t dataSize() const { return m_dataSize; }
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static OSStatus readProc(void* clientData, SInt64 position, UInt32 requestCount, void* buffer, UInt32* actualCount);
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static SInt64 getSizeProc(void* clientData);
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AudioFileID m_audioFileID;
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ExtAudioFileRef m_extAudioFileRef;
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AudioStreamBasicDescription m_fileDataFormat;
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AudioStreamBasicDescription m_clientDataFormat;
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} // namespace WebCore
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#endif // AudioFileReaderMac_h