vfw.h

vc6.0完整版

} MainAVIHeader;

/*
** Stream header
*/

#define AVISF_DISABLED			0x00000001

#define AVISF_VIDEO_PALCHANGES		0x00010000

typedef struct {
    FOURCC		fccType;
    FOURCC		fccHandler;
    DWORD		dwFlags;	/* Contains AVITF_* flags */
    WORD		wPriority;
    WORD		wLanguage;
    DWORD		dwInitialFrames;
    DWORD		dwScale;	
    DWORD		dwRate;	/* dwRate / dwScale == samples/second */
    DWORD		dwStart;
    DWORD		dwLength; /* In units above... */
    DWORD		dwSuggestedBufferSize;
    DWORD		dwQuality;
    DWORD		dwSampleSize;
    RECT		rcFrame;
} AVIStreamHeader;

/* Flags for index */
#define AVIIF_LIST          0x00000001L // chunk is a 'LIST'
#define AVIIF_KEYFRAME      0x00000010L // this frame is a key frame.

#define AVIIF_NOTIME	    0x00000100L // this frame doesn't take any time
#define AVIIF_COMPUSE       0x0FFF0000L // these bits are for compressor use

typedef struct
{
    DWORD		ckid;
    DWORD		dwFlags;
    DWORD		dwChunkOffset;		// Position of chunk
    DWORD		dwChunkLength;		// Length of chunk
} AVIINDEXENTRY;

/*
** Palette change chunk
**
** Used in video streams.
*/
typedef struct
{
    BYTE		bFirstEntry;	/* first entry to change */
    BYTE		bNumEntries;	/* # entries to change (0 if 256) */
    WORD		wFlags;		/* Mostly to preserve alignment... */
    PALETTEENTRY	peNew[];	/* New color specifications */
} AVIPALCHANGE;

#else
    #include <avifmt.h>
#endif  /* not _WIN32 */
#endif /* NOAVIFMT */

/****************************************************************************
 *
 *  MMREG.H (standard include file for MM defines, like FOURCC and things)
 *
 ***************************************************************************/

#ifdef _WIN32
#ifndef RC_INVOKED
#include "pshpack8.h"
#endif
#endif
#ifndef NOMMREG
    #include <mmreg.h>
#endif

/****************************************************************************
 *
 *  AVIFile - routines for reading/writing standard AVI files
 *
 ***************************************************************************/

#ifndef NOAVIFILE
#ifdef _WIN32

/*
 * Ansi - Unicode thunking.
 *
 * Unicode or Ansi-only apps can call the avifile APIs.
 * any Win32 app who wants to use
 * any of the AVI COM interfaces must be UNICODE - the AVISTREAMINFO and
 * AVIFILEINFO structures used in the Info methods of these interfaces are
 * the unicode variants, and no thunking to or from ansi takes place
 * except in the AVIFILE api entrypoints.
 *
 * For Ansi/Unicode thunking: for each entrypoint or structure that
 * uses chars or strings, two versions are declared in the Win32 version,
 * ApiNameW and ApiNameA. The default name ApiName is #defined to one or
 * other of these depending on whether UNICODE is defined (during
 * compilation of the app that is including this header). The source will
 * contain ApiName and ApiNameA (with ApiName being the Win16 implementation,
 * and also #defined to ApiNameW, and ApiNameA being the thunk entrypoint).
 *
 */

#ifndef mmioFOURCC
    #define mmioFOURCC( ch0, ch1, ch2, ch3 ) \
	( (DWORD)(BYTE)(ch0) | ( (DWORD)(BYTE)(ch1) << 8 ) |	\
	( (DWORD)(BYTE)(ch2) << 16 ) | ( (DWORD)(BYTE)(ch3) << 24 ) )
#endif

#ifndef streamtypeVIDEO
#define streamtypeVIDEO		mmioFOURCC('v', 'i', 'd', 's')
#define streamtypeAUDIO		mmioFOURCC('a', 'u', 'd', 's')
#define streamtypeMIDI		mmioFOURCC('m', 'i', 'd', 's')
#define streamtypeTEXT		mmioFOURCC('t', 'x', 't', 's')
#endif

#ifndef AVIIF_KEYFRAME
#define AVIIF_KEYFRAME      0x00000010L // this frame is a key frame.
#endif

// For GetFrame::SetFormat - use the best format for the display
#define AVIGETFRAMEF_BESTDISPLAYFMT	1

//
// Structures used by AVIStreamInfo & AVIFileInfo.
//
// These are related to, but not identical to, the header chunks
// in an AVI file.
//

/*
 *
 * --- AVISTREAMINFO ------------------------------------------------
 *
 * for Unicode/Ansi thunking we need to declare three versions of this!
 */
typedef struct _AVISTREAMINFOW {
    DWORD		fccType;
    DWORD               fccHandler;
    DWORD               dwFlags;        /* Contains AVITF_* flags */
    DWORD		dwCaps;
    WORD		wPriority;
    WORD		wLanguage;
    DWORD               dwScale;
    DWORD               dwRate; /* dwRate / dwScale == samples/second */
    DWORD               dwStart;
    DWORD               dwLength; /* In units above... */
    DWORD		dwInitialFrames;
    DWORD               dwSuggestedBufferSize;
    DWORD               dwQuality;
    DWORD               dwSampleSize;
    RECT                rcFrame;
    DWORD		dwEditCount;
    DWORD		dwFormatChangeCount;
    WCHAR		szName[64];
} AVISTREAMINFOW, FAR * LPAVISTREAMINFOW;

typedef struct _AVISTREAMINFOA {
    DWORD		fccType;
    DWORD               fccHandler;
    DWORD               dwFlags;        /* Contains AVITF_* flags */
    DWORD		dwCaps;
    WORD		wPriority;
    WORD		wLanguage;
    DWORD               dwScale;
    DWORD               dwRate; /* dwRate / dwScale == samples/second */
    DWORD               dwStart;
    DWORD               dwLength; /* In units above... */
    DWORD		dwInitialFrames;
    DWORD               dwSuggestedBufferSize;
    DWORD               dwQuality;
    DWORD               dwSampleSize;
    RECT                rcFrame;
    DWORD		dwEditCount;
    DWORD		dwFormatChangeCount;
    char		szName[64];
} AVISTREAMINFOA, FAR * LPAVISTREAMINFOA;

#ifdef UNICODE
#define AVISTREAMINFO	AVISTREAMINFOW
#define LPAVISTREAMINFO	LPAVISTREAMINFOW
#else
#define AVISTREAMINFO	AVISTREAMINFOA
#define LPAVISTREAMINFO	LPAVISTREAMINFOA
#endif

#define AVISTREAMINFO_DISABLED			0x00000001
#define AVISTREAMINFO_FORMATCHANGES		0x00010000

/*
 * --- AVIFILEINFO ----------------------------------------------------
 *
 */

typedef struct _AVIFILEINFOW {
    DWORD		dwMaxBytesPerSec;	// max. transfer rate
    DWORD		dwFlags;		// the ever-present flags
    DWORD		dwCaps;
    DWORD		dwStreams;
    DWORD		dwSuggestedBufferSize;

    DWORD		dwWidth;
    DWORD		dwHeight;

    DWORD		dwScale;	
    DWORD		dwRate;	/* dwRate / dwScale == samples/second */
    DWORD		dwLength;

    DWORD		dwEditCount;

    WCHAR		szFileType[64];		// descriptive string for file type?
} AVIFILEINFOW, FAR * LPAVIFILEINFOW;

typedef struct _AVIFILEINFOA {
    DWORD		dwMaxBytesPerSec;	// max. transfer rate
    DWORD		dwFlags;		// the ever-present flags
    DWORD		dwCaps;
    DWORD		dwStreams;
    DWORD		dwSuggestedBufferSize;

    DWORD		dwWidth;
    DWORD		dwHeight;

    DWORD		dwScale;	
    DWORD		dwRate;	/* dwRate / dwScale == samples/second */
    DWORD		dwLength;

    DWORD		dwEditCount;

    char		szFileType[64];		// descriptive string for file type?
} AVIFILEINFOA, FAR * LPAVIFILEINFOA;

#ifdef UNICODE
#define AVIFILEINFO	AVIFILEINFOW
#define LPAVIFILEINFO	LPAVIFILEINFOW
#else
#define AVIFILEINFO	AVIFILEINFOA
#define LPAVIFILEINFO	LPAVIFILEINFOA
#endif

// Flags for dwFlags
#define AVIFILEINFO_HASINDEX		0x00000010
#define AVIFILEINFO_MUSTUSEINDEX	0x00000020
#define AVIFILEINFO_ISINTERLEAVED	0x00000100
#define AVIFILEINFO_WASCAPTUREFILE	0x00010000
#define AVIFILEINFO_COPYRIGHTED		0x00020000

// Flags for dwCaps
#define AVIFILECAPS_CANREAD		0x00000001
#define AVIFILECAPS_CANWRITE		0x00000002
#define AVIFILECAPS_ALLKEYFRAMES	0x00000010
#define AVIFILECAPS_NOCOMPRESSION	0x00000020

typedef BOOL (FAR PASCAL * AVISAVECALLBACK)(int);

/************************************************************************/
/* Declaration for the AVICOMPRESSOPTIONS structure.  Make sure it 	*/
/* matches the AutoDoc in avisave.c !!!                            	*/
/************************************************************************/

typedef struct {
    DWORD	fccType;		    /* stream type, for consistency */
    DWORD       fccHandler;                 /* compressor */
    DWORD       dwKeyFrameEvery;            /* keyframe rate */
    DWORD       dwQuality;                  /* compress quality 0-10,000 */
    DWORD       dwBytesPerSecond;           /* bytes per second */
    DWORD       dwFlags;                    /* flags... see below */
    LPVOID      lpFormat;                   /* save format */
    DWORD       cbFormat;
    LPVOID      lpParms;                    /* compressor options */
    DWORD       cbParms;
    DWORD       dwInterleaveEvery;          /* for non-video streams only */
} AVICOMPRESSOPTIONS, FAR *LPAVICOMPRESSOPTIONS;

//
// Defines for the dwFlags field of the AVICOMPRESSOPTIONS struct
// Each of these flags determines if the appropriate field in the structure
// (dwInterleaveEvery, dwBytesPerSecond, and dwKeyFrameEvery) is payed
// attention to.  See the autodoc in avisave.c for details.
//
#define AVICOMPRESSF_INTERLEAVE		0x00000001    // interleave
#define AVICOMPRESSF_DATARATE		0x00000002    // use a data rate
#define AVICOMPRESSF_KEYFRAMES		0x00000004    // use keyframes
#define AVICOMPRESSF_VALID		0x00000008    // has valid data?

#include <ole2.h>

/*	-	-	-	-	-	-	-	-	*/

/****** AVI Stream Interface *******************************************/

#undef  INTERFACE
#define INTERFACE   IAVIStream

DECLARE_INTERFACE_(IAVIStream, IUnknown)
{
    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IAVIStream methods ***
    STDMETHOD(Create)      (THIS_ LPARAM lParam1, LPARAM lParam2) PURE ;
    STDMETHOD(Info)        (THIS_ AVISTREAMINFOW FAR * psi, LONG lSize) PURE ;
    STDMETHOD_(LONG, FindSample)(THIS_ LONG lPos, LONG lFlags) PURE ;
    STDMETHOD(ReadFormat)  (THIS_ LONG lPos,
			    LPVOID lpFormat, LONG FAR *lpcbFormat) PURE ;
    STDMETHOD(SetFormat)   (THIS_ LONG lPos,
			    LPVOID lpFormat, LONG cbFormat) PURE ;
    STDMETHOD(Read)        (THIS_ LONG lStart, LONG lSamples,
			    LPVOID lpBuffer, LONG cbBuffer,
			    LONG FAR * plBytes, LONG FAR * plSamples) PURE ;
    STDMETHOD(Write)       (THIS_ LONG lStart, LONG lSamples,
			    LPVOID lpBuffer, LONG cbBuffer,
			    DWORD dwFlags,
			    LONG FAR *plSampWritten,
			    LONG FAR *plBytesWritten) PURE ;
    STDMETHOD(Delete)      (THIS_ LONG lStart, LONG lSamples) PURE;
    STDMETHOD(ReadData)    (THIS_ DWORD fcc, LPVOID lp, LONG FAR *lpcb) PURE ;
    STDMETHOD(WriteData)   (THIS_ DWORD fcc, LPVOID lp, LONG cb) PURE ;
#ifdef _WIN32
    STDMETHOD(SetInfo) (THIS_ AVISTREAMINFOW FAR * lpInfo,
			    LONG cbInfo) PURE;
#else
    STDMETHOD(Reserved1)            (THIS) PURE;
    STDMETHOD(Reserved2)            (THIS) PURE;
    STDMETHOD(Reserved3)            (THIS) PURE;
    STDMETHOD(Reserved4)            (THIS) PURE;
    STDMETHOD(Reserved5)            (THIS) PURE;
#endif
};

typedef       IAVIStream FAR* PAVISTREAM;

#undef  INTERFACE
#define INTERFACE   IAVIStreaming

DECLARE_INTERFACE_(IAVIStreaming, IUnknown)
{
    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IAVIStreaming methods ***
    STDMETHOD(Begin) (THIS_
		      LONG  lStart,		    // start of what we expect
						    // to play
		      LONG  lEnd,		    // expected end, or -1
		      LONG  lRate) PURE;	    // Should this be a float?
    STDMETHOD(End)   (THIS) PURE;
};

typedef       IAVIStreaming FAR* PAVISTREAMING;

#undef  INTERFACE
#define INTERFACE   IAVIEditStream

DECLARE_INTERFACE_(IAVIEditStream, IUnknown)
{
    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IAVIEditStream methods ***
    STDMETHOD(Cut) (THIS_ LONG FAR *plStart,
			  LONG FAR *plLength,
			  PAVISTREAM FAR * ppResult) PURE;
    STDMETHOD(Copy) (THIS_ LONG FAR *plStar