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/audio/Output.h" 00026 #include "cinder/msw/CinderMSW.h" 00027 #include "cinder/CinderMath.h" 00028 #include "cinder/audio/FftProcessor.h" 00029 00030 #include <windows.h> 00031 #include <xaudio2.h> 00032 #include <boost/thread/thread.hpp> 00033 #include <boost/thread/mutex.hpp> 00034 00035 namespace cinder { namespace audio { 00036 00037 class OutputImplXAudio; 00038 00039 class TargetOutputImplXAudio : public Target { 00040 public: 00041 static shared_ptr<TargetOutputImplXAudio> createRef( const WAVEFORMATEX *aOutDescription ){ return shared_ptr<TargetOutputImplXAudio>( new TargetOutputImplXAudio( aOutDescription ) ); } 00042 ~TargetOutputImplXAudio() {} 00043 private: 00044 TargetOutputImplXAudio( const WAVEFORMATEX *aOutDescription ); 00045 }; 00046 00047 class OutputImplXAudio : public OutputImpl 00048 { 00049 public: 00050 OutputImplXAudio(); 00051 ~OutputImplXAudio(); 00052 TrackRef addTrack( SourceRef aSource, bool autoplay ); 00053 void removeTrack( TrackId ); 00054 00055 void setVolume( float aVolume ) {} 00056 float getVolume() const { /*TODO*/ return 0.0; } 00057 00058 //TargetRef getTarget(); 00059 protected: 00060 ::IXAudio2 * mXAudio; 00061 ::IXAudio2MasteringVoice * mMasterVoice; 00062 00063 class Track : public cinder::audio::Track 00064 { 00065 public: 00066 Track( SourceRef source, OutputImplXAudio * output ); 00067 ~Track(); 00068 void play(); 00069 void stop(); 00070 bool isPlaying() const { return mIsPlaying; } 00071 00072 TrackId getTrackId() const { return mTrackId; } 00073 00074 void setVolume( float aVolume ); 00075 float getVolume() const; 00076 00077 double getTime() const { return mLoader->getSampleOffset() / mVoiceDescription.nChannels / (double)mVoiceDescription.nSamplesPerSec; } 00078 void setTime( double aTime ) { mLoader->setSampleOffset( aTime * mVoiceDescription.nSamplesPerSec * mVoiceDescription.nChannels ); } 00079 00080 void setLooping( bool isLooping ) { mIsLooping = isLooping; } 00081 bool isLooping() const { return mIsLooping; } 00082 00083 void enablePcmBuffering( bool isBuffering ) { mIsPcmBuffering = isBuffering; } 00084 bool isPcmBuffering() { return mIsPcmBuffering; } 00085 00086 PcmBuffer32fRef getPcmBuffer(); 00087 private: 00088 //static ::HRESULT dataInputCallback( void * audioData, uint32_t dataSize, void * theTrack, uint64_t sampleTime, uint32_t sampleDuration ); 00089 void fillBuffer(); 00090 00091 static const int sMaxBufferCount = 3; 00092 00093 bool mIsLooping; 00094 bool mIsPlaying; 00095 TrackId mTrackId; 00096 SourceRef mSource; 00097 LoaderRef mLoader; 00098 OutputImplXAudio * mOutput; 00099 00100 IXAudio2SourceVoice * mSourceVoice; 00101 WAVEFORMATEX mVoiceDescription; 00102 uint8_t * mDecodedBuffers; 00103 00104 uint32_t mBufferSize; 00105 uint32_t mSamplesPerBuffer; 00106 uint32_t mCurrentBuffer; 00107 uint64_t mCurrentTime; 00108 00109 HANDLE mBufferEndEvent; 00110 shared_ptr<boost::thread> mQueueThread; 00111 00112 bool mIsPcmBuffering; 00113 PcmBuffer32fRef mLoadingPcmBuffer; 00114 PcmBuffer32fRef mLoadedPcmBuffer; 00115 boost::mutex mPcmBufferMutex; 00116 00117 class SourceCallback : public IXAudio2VoiceCallback 00118 { 00119 public: 00120 //HANDLE mBufferEndEvent; 00121 OutputImplXAudio::Track * mTrack; 00122 00123 SourceCallback() 00124 /*: mBufferEndEvent( CreateEvent( NULL, FALSE, FALSE, NULL ) )*/{} 00125 ~SourceCallback(){ /*CloseHandle( mBufferEndEvent );*/ } 00126 void STDMETHODCALLTYPE OnBufferEnd( void* pvContext ) { 00127 SetEvent( mTrack->mBufferEndEvent ); 00128 } 00129 00130 //Unused methods are stubs 00131 void STDMETHODCALLTYPE OnStreamEnd() {} 00132 void STDMETHODCALLTYPE OnVoiceProcessingPassEnd() { } 00133 void STDMETHODCALLTYPE OnVoiceProcessingPassStart(UINT32 SamplesRequired) { } 00134 void STDMETHODCALLTYPE OnBufferStart(void * pBufferContext) { } 00135 void STDMETHODCALLTYPE OnLoopEnd(void * pBufferContext) { } 00136 void STDMETHODCALLTYPE OnVoiceError(void * pBufferContext, HRESULT Error) { } 00137 }; 00138 00139 SourceCallback mVoiceCallback; 00140 }; 00141 00142 std::map<TrackId,shared_ptr<OutputImplXAudio::Track> > mTracks; 00143 }; 00144 00145 }} //namespaces