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 #undef min 00032 #undef max 00033 00034 00035 namespace cinder { namespace audio { 00036 00037 typedef std::shared_ptr<class SourceFileWindowsMedia> SourceFileWindowsMediaRef; 00038 typedef std::shared_ptr<class LoaderSourceFileWindowsMedia> LoaderSourceFileWindowsMediaRef; 00039 00040 class LoaderSourceFileWindowsMedia : public Loader { 00041 public: 00042 static LoaderSourceFileWindowsMediaRef createRef( SourceFileWindowsMedia *source, Target *target ); 00043 ~LoaderSourceFileWindowsMedia(); 00044 00045 uint32_t getOptimalBufferSize() const { return mMaxBufferSize; } 00046 void loadData( BufferList *ioData ); 00047 00048 uint64_t getSampleOffset() const; 00049 void setSampleOffset( uint64_t anOffset ); 00050 00051 protected: 00052 LoaderSourceFileWindowsMedia( SourceFileWindowsMedia * source, Target * target ); 00053 00054 uint64_t timeAtSample( uint64_t aSample ) const; 00055 uint64_t sampleAtTime( uint64_t aTime ) const; 00056 00057 SourceFileWindowsMedia * mSource; 00058 WAVEFORMATEX mOutputFormat; 00059 00060 uint32_t mStreamSize; 00061 std::shared_ptr<IWMSyncReader> mReader; 00062 std::shared_ptr<IWMHeaderInfo> mHeaderInfo; 00063 00064 uint32_t mMaxBufferSize; 00065 uint64_t mSampleOffset; 00066 uint32_t mSrcBlockAlign; 00067 uint32_t mSrcSampleRate; 00068 uint16_t mSrcChannelCount; 00069 uint32_t mSrcBitsPerSample; 00070 }; 00071 00072 00073 class SourceFileWindowsMedia : public Source { 00074 public: 00075 static SourceRef createRef( DataSourceRef dataSourceRef ) { return createFileRef( dataSourceRef ); } 00076 static SourceFileWindowsMediaRef createFileRef( DataSourceRef dataSourceRef ); 00077 ~SourceFileWindowsMedia(); 00078 00079 virtual LoaderRef createLoader( Target *target ) { return LoaderSourceFileWindowsMedia::createRef( this, target ); } 00080 00081 uint32_t getLength() const { return mBuffer.getDataSize(); }; 00082 double getDuration() const { /*TODO*/ return 0.0; } 00083 00084 static void registerSelf(); 00085 protected: 00086 SourceFileWindowsMedia( DataSourceRef dataSourceRef ); 00087 00088 cinder::Buffer mBuffer; 00089 std::shared_ptr<void> mMemHandle; 00090 00091 friend LoaderSourceFileWindowsMedia; 00092 }; 00093 00094 REGISTER_AUDIOIO( SourceFileWindowsMedia ) 00095 00096 class SourceFileWindowsMediaExceptionUnsupportedData : public IoException { 00097 }; 00098 00099 }} //namespace