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 00023 #pragma once 00024 00025 #include "cinder/Cinder.h" 00026 #include "cinder/audio/Io.h" 00027 #include "cinder/Buffer.h" 00028 00029 #include <Wmsdk.h> 00030 #include <windows.h> 00031 00032 00033 namespace cinder { namespace audio { 00034 00035 typedef shared_ptr<class SourceFileWindowsMedia> SourceFileWindowsMediaRef; 00036 typedef shared_ptr<class LoaderSourceFileWindowsMedia> LoaderSourceFileWindowsMediaRef; 00037 00038 class LoaderSourceFileWindowsMedia : public Loader { 00039 public: 00040 static LoaderSourceFileWindowsMediaRef createRef( SourceFileWindowsMedia *source, Target *target ); 00041 ~LoaderSourceFileWindowsMedia(); 00042 00043 uint32_t getOptimalBufferSize() const { return mMaxBufferSize; } 00044 void loadData( uint32_t *ioSampleCount, BufferList *ioData ); 00045 00046 uint64_t getSampleOffset() const; 00047 void setSampleOffset( uint64_t anOffset ); 00048 00049 protected: 00050 LoaderSourceFileWindowsMedia( SourceFileWindowsMedia * source, Target * target ); 00051 00052 uint64_t timeAtSample( uint64_t aSample ) const; 00053 uint64_t sampleAtTime( uint64_t aTime ) const; 00054 00055 SourceFileWindowsMedia * mSource; 00056 WAVEFORMATEX mOutputFormat; 00057 00058 uint32_t mStreamSize; 00059 shared_ptr<IWMSyncReader> mReader; 00060 shared_ptr<IWMHeaderInfo> mHeaderInfo; 00061 00062 uint32_t mMaxBufferSize; 00063 uint64_t mSampleOffset; 00064 uint32_t mSrcBlockAlign; 00065 uint32_t mSrcSampleRate; 00066 uint16_t mSrcChannelCount; 00067 uint32_t mSrcBitsPerSample; 00068 }; 00069 00070 00071 class SourceFileWindowsMedia : public Source { 00072 public: 00073 static SourceRef createRef( DataSourceRef dataSourceRef ) { return createFileRef( dataSourceRef ); } 00074 static SourceFileWindowsMediaRef createFileRef( DataSourceRef dataSourceRef ); 00075 ~SourceFileWindowsMedia(); 00076 00077 virtual LoaderRef getLoader( Target *target ) { return LoaderSourceFileWindowsMedia::createRef( this, target ); } 00078 00079 uint32_t getLength() const { return mBuffer.getDataSize(); }; 00080 double getDuration() const { /*TODO*/ return 0.0; } 00081 00082 static void registerSelf(); 00083 protected: 00084 SourceFileWindowsMedia( DataSourceRef dataSourceRef ); 00085 00086 cinder::Buffer mBuffer; 00087 shared_ptr<void> mMemHandle; 00088 00089 friend LoaderSourceFileWindowsMedia; 00090 }; 00091 00092 REGISTER_AUDIOIO( SourceFileWindowsMedia ) 00093 00094 class SourceFileWindowsMediaExceptionUnsupportedData : public IoException { 00095 }; 00096 00097 }} //namespace