00001 /* 00002 Copyright (c) 2009, The Barbarian Group 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 #pragma once 00023 00024 #include "cinder/Cinder.h" 00025 #include "cinder/audio/Io.h" 00026 00027 namespace cinder { namespace audio { 00028 00029 typedef shared_ptr<class SourceFileWav> SourceFileWavRef; 00030 typedef shared_ptr<class LoaderSourceFileWav> LoaderSourceFileWavRef; 00031 00032 class LoaderSourceFileWav : public Loader { 00033 public: 00034 static LoaderSourceFileWavRef createRef( SourceFileWav *source, Target *target ); 00035 ~LoaderSourceFileWav(); 00036 00037 uint32_t getOptimalBufferSize() const { return 0; } 00038 void loadData( uint32_t *ioSampleCount, BufferList *ioData ); 00039 00040 uint64_t getSampleOffset() const; 00041 void setSampleOffset( uint64_t anOffset ); 00042 protected: 00043 LoaderSourceFileWav( SourceFileWav * source, Target * target ); 00044 00045 SourceFileWav * mSource; 00046 IStreamRef mStream; 00047 uint64_t mSampleOffset; 00048 }; 00049 00050 class SourceFileWav : public Source { 00051 public: 00052 static SourceRef createRef( DataSourceRef dataSourceRef ) { return createFileWavRef( dataSourceRef ); } 00053 static SourceFileWavRef createFileWavRef( DataSourceRef dataSourceRef ); 00054 ~SourceFileWav(); 00055 00056 LoaderRef getLoader( Target *target ) { return LoaderSourceFileWav::createRef( this, target ); } 00057 00058 uint32_t getLength() const { return mDataLength; }; 00059 double getDuration() const { /*TODO*/ return 0.0; } 00060 00061 static void registerSelf(); 00062 private: 00063 SourceFileWav( DataSourceRef dataSourceRef ); 00064 void readFormatChunk( IStreamRef stream ); 00065 IStreamRef createStream(); 00066 00067 DataSourceRef mDataSource; 00068 uint32_t mDataLength; 00069 uint32_t mDataStart; 00070 uint64_t mSampleCount; 00071 00072 uint16_t mAudioFormat; 00073 uint32_t mByteRate; 00074 00075 friend LoaderSourceFileWav; 00076 }; 00077 00078 REGISTER_AUDIOIO( SourceFileWav ) 00079 00080 }} //namespace