myvtm/Other/win/libvideorecord/WmvWriter.h

// WmvWriter.h: interface for the WmvWriter class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_WMVWRITER_H__1DC92438_F088_481C_B60B_5BED8B2A9F58__INCLUDED_)
#define AFX_WMVWRITER_H__1DC92438_F088_481C_B60B_5BED8B2A9F58__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "winmedia.h"
#include <Vfw.h>

#define  _ENABLE_VBR_

class CWmvWriter  
{
public:
	CWmvWriter();
	virtual ~CWmvWriter();
private://内部成员变量
	IWMProfileManager *	mProfileManager;
	IWMProfile *		mProfile;
	IWMWriter *m_pWriter;
	INSSBuffer *m_pVideoSample;
	INSSBuffer *m_pAudioSample;
	INSSBuffer *m_pTextSample;
	QWORD m_lStartTime;
	GUID m_guidVideoType;
	int m_height;
	int m_width;
	int m_colorbit;
	int m_nfps;
	int m_nmaxspacing;
	DWORD m_VideoInputNum;
	DWORD m_AudioInputNum;
	DWORD m_ScriptInputNum;
	//CLogFile*log;
private: //公共调用接口
	HRESULT InitWriter(int width,int height,int nfps,int nSanplePsec,int nchannels,int nBitPerSample,
		               int nmaxspacing,int nquality,int nOutBitRate, int iAudioType);
	HRESULT SetInfo(BSTR filename,int width,int height,int colorbit,int nSanplePsec,int nchannels,int nBitPerSample);
	HRESULT Start();
	HRESULT Stop();
	HRESULT ReceiveVideo(BYTE*pData,DWORD len);
	HRESULT ReceiveAudio(BYTE*pData,DWORD len);
	HRESULT ReceiveText(char*text,DWORD len);
private://内部成员函数
	HRESULT SetSysProfile(REFGUID guid);//设置系统生成器配置
	HRESULT SetProfile(IWMProfile*pProfile);
	HRESULT ConfigAudioInput();
	HRESULT ConfigAudioInput(GUID guidSubType, WAVEFORMATEX * inWave);
	HRESULT ConfigVideoInput();
	HRESULT ConfigVideoInput(GUID guidSubType, WMVIDEOINFOHEADER * inVideo);
	HRESULT CWmvWriter::FindInputFormat(DWORD dwInput, GUID guidSubType, 
										IWMInputMediaProps** ppProps, WM_MEDIA_TYPE** ppMediaType);
	HRESULT IdentifyInputsByNumber(void);
	HRESULT CreateProfile(int width,int height,int nfps,int nSanplePsec,int nchannels,int nBitPerSample,
		    int nmaxspacing,int nquality,int nOutBitRate, int iAudioType);
	BOOL IsCodecAvailable(GUID inMajortype, GUID inSubtype, BYTE ** outMt);
	HRESULT GetMediaTypeDetails(IWMMediaProps * pProps, BYTE** outDetails);
	HRESULT wmCopyMediaType(WM_MEDIA_TYPE** ppmtDest, WM_MEDIA_TYPE* pmtSrc);
	QWORD GetTimeStamp();//得到当前时间戳
	HRESULT ConnectionStreamType(WCHAR * inConnectionName, GUID* outType);
public:
	bool InitWmvWriter(char* filename,int width,int height,int colorbit,int nfps,
		               int nSanplePsec,int nchannels,int nBitPerSample,int nmaxspacing,int nquality,int nOutBitRate, int iAudioType);
	bool StartWrite();
	bool End();
	bool ReceiveAudioData(BYTE*pData,DWORD len);
	bool ReceiveVideoData(BYTE*pData,DWORD len);
};

#endif // !defined(AFX_WMVWRITER_H__1DC92438_F088_481C_B60B_5BED8B2A9F58__INCLUDED_)