// AudioSample.h: interface for the AudioSample class.
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//
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//////////////////////////////////////////////////////////////////////
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#ifndef AFX_AUDIOSAMPLE_H__963A2A54_7AFE_4DE9_BF2A_1E79F911E37B__INCLUDED_
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#define AFX_AUDIOSAMPLE_H__963A2A54_7AFE_4DE9_BF2A_1E79F911E37B__INCLUDED_
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#include <windows.h> // required by mmsystem.h
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#include <mmsystem.h> // required for WAVEFORMATEX structure
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#include "WaveFormats.h"
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#include "TraceUser.h"
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// #define DEBUG_AUDIOSAMPLES
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class AudioSampleManager;
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class RTPPacket;
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class AudioSample :
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public TraceUser
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{
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friend class AudioSampleManager;
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public:
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virtual ~AudioSample();
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bool operator < (AudioSample &);
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bool operator >= (AudioSample &);
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int GetFormat(WAVEFORMATEX *waveFormat);
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int SetFormat(WAVEFORMATEX &waveFormat);
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int BufferSize();
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int DataSize();
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int SilenceSize();
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int MinFrameDuration();
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int MinFrameSize();
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int SetDataSize(int dataSize);
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char * Data();
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int GetDuration();
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int SetSilenceDuration(int milliseconds);
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int GetSilenceDuration();
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RTPPacket* RTPHeader();
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int SetRTPHeader(RTPPacket *headerPtr);
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int AddRef(TraceUser *container);
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int Release(TraceUser *container);
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protected:
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virtual int SetTraceLevel();
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private:
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int AddRef();
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int Release();
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int Initialize(AudioSampleManager *manager, int size);
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int Uninitialize();
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AudioSample(AudioSampleManager *audioSampleManager, int size);
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AudioSample(AudioSampleManager *audioSampleManager);
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private:
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WAVEFORMATEX format;
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int bufferSize;
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int dataSize;
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char *data;
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RTPPacket *rtpHeader;
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int refCount;
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int silenceLengthMilliseconds;
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AudioSampleManager *manager;
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int minFrameSize; // no. of bytes in the minimum sized frame for this format
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int minFrameDuration; // duration (in microseconds) of the minimum frame for this format
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CRITICAL_SECTION sampleMutex;
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};
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#endif // !defined(AFX_AUDIOSAMPLE_H__963A2A54_7AFE_4DE9_BF2A_1E79F911E37B__INCLUDED_)
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