📄 vfw.h
字号:
} 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⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -