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193 lines
7.3 KiB
193 lines
7.3 KiB
/****************************************************************************/
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/* */
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/* ivideo32.h */
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/* */
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/* private structures & prototypes for 32bit videoXXX api's */
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/* this header file is specific to WIN32 */
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/* */
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/****************************************************************************/
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// include public stuff about the videoXXX interface
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//
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#include <vfw.h>
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// include private stuff IFF _WIN32 and we have not already done so
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//
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#if !defined _INC_IVIDEO32 && defined _WIN32
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#define _INC_IVIDEO32
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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#ifndef _RCINVOKED
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/****************************************************************************
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Structures
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****************************************************************************/
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#if 0
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/* video data block header */
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typedef struct videohdr_tag {
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LPBYTE lpData; /* pointer to locked data buffer */
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DWORD dwBufferLength; /* Length of data buffer */
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DWORD dwBytesUsed; /* Bytes actually used */
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DWORD dwTimeCaptured; /* Milliseconds from start of stream */
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DWORD dwUser; /* for client's use */
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DWORD dwFlags; /* assorted flags (see defines) */
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DWORD dwReserved[4]; /* reserved for driver */
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} VIDEOHDR, NEAR *PVIDEOHDR, FAR * LPVIDEOHDR;
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/* dwFlags field of VIDEOHDR */
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#define VHDR_DONE 0x00000001 /* Done bit */
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#define VHDR_PREPARED 0x00000002 /* Set if this header has been prepared */
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#define VHDR_INQUEUE 0x00000004 /* Reserved for driver */
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#define VHDR_KEYFRAME 0x00000008 /* Key Frame */
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#define VHDR_VALID 0x0000000F /* valid flags */ /* ;Internal */
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/* Channel capabilities structure */
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typedef struct channel_caps_tag {
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DWORD dwFlags; /* Capability flags*/
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DWORD dwSrcRectXMod; /* Granularity of src rect in x */
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DWORD dwSrcRectYMod; /* Granularity of src rect in y */
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DWORD dwSrcRectWidthMod; /* Granularity of src rect width */
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DWORD dwSrcRectHeightMod; /* Granularity of src rect height */
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DWORD dwDstRectXMod; /* Granularity of dst rect in x */
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DWORD dwDstRectYMod; /* Granularity of dst rect in y */
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DWORD dwDstRectWidthMod; /* Granularity of dst rect width */
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DWORD dwDstRectHeightMod; /* Granularity of dst rect height */
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} CHANNEL_CAPS, NEAR *PCHANNEL_CAPS, FAR * LPCHANNEL_CAPS;
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/* dwFlags of CHANNEL_CAPS */
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#define VCAPS_OVERLAY 0x00000001 /* overlay channel */
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#define VCAPS_SRC_CAN_CLIP 0x00000002 /* src rect can clip */
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#define VCAPS_DST_CAN_CLIP 0x00000004 /* dst rect can clip */
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#define VCAPS_CAN_SCALE 0x00000008 /* allows src != dst */
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#endif
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/****************************************************************************
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video APIs
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****************************************************************************/
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DWORD WINAPI videoGetNumDevs(void);
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DWORD WINAPI videoOpen (LPHVIDEO lphVideo,
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DWORD dwDevice, DWORD dwFlags);
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DWORD WINAPI videoClose (HVIDEO hVideo);
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DWORD WINAPI videoDialog(HVIDEO hVideo, HWND hWndParent, DWORD dwFlags);
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DWORD WINAPI videoGetChannelCaps(HVIDEO hVideo, LPCHANNEL_CAPS lpChannelCaps,
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DWORD dwSize);
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DWORD WINAPI videoUpdate (HVIDEO hVideo, HWND hWnd, HDC hDC);
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DWORD WINAPI videoConfigure (HVIDEO hVideo, UINT msg, DWORD dwFlags,
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LPDWORD lpdwReturn, LPVOID lpData1, DWORD dwSize1,
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LPVOID lpData2, DWORD dwSize2);
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DWORD WINAPI videoConfigureStorageA(HVIDEO hVideo,
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LPSTR lpstrIdent, DWORD dwFlags);
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DWORD WINAPI videoConfigureStorageW(HVIDEO hVideo,
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LPWSTR lpstrIdent, DWORD dwFlags);
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#ifdef UNICODE
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#define videoConfigureStorage videoConfigureStorageW
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#else
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#define videoConfigureStorage videoConfigureStorageA
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#endif // !UNICODE
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DWORD WINAPI videoFrame(HVIDEO hVideo, LPVIDEOHDR lpVHdr);
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DWORD WINAPI videoMessage(HVIDEO hVideo, UINT msg, LPARAM dwP1, LPARAM dwP2);
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/* streaming APIs */
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DWORD WINAPI videoStreamAddBuffer(HVIDEO hVideo,
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LPVIDEOHDR lpVHdr, DWORD dwSize);
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DWORD WINAPI videoStreamGetError(HVIDEO hVideo, LPDWORD lpdwErrorFirst,
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LPDWORD lpdwErrorLast);
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DWORD WINAPI videoGetErrorTextA(HVIDEO hVideo, UINT wError,
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LPSTR lpText, UINT wSize);
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DWORD WINAPI videoGetErrorTextW(HVIDEO hVideo, UINT wError,
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LPWSTR lpText, UINT wSize);
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#ifdef UNICODE
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#define videoGetErrorText videoGetErrorTextW
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#else
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#define videoGetErrorText videoGetErrorTextA
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#endif // !UNICODE
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DWORD WINAPI videoStreamGetPosition(HVIDEO hVideo, MMTIME FAR* lpInfo,
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DWORD dwSize);
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DWORD WINAPI videoStreamInit(HVIDEO hVideo,
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DWORD dwMicroSecPerFrame, DWORD_PTR dwCallback,
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DWORD_PTR dwCallbackInst, DWORD dwFlags);
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DWORD WINAPI videoStreamFini(HVIDEO hVideo);
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DWORD WINAPI videoStreamPrepareHeader(HVIDEO hVideo,
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LPVIDEOHDR lpVHdr, DWORD dwSize);
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DWORD WINAPI videoStreamReset(HVIDEO hVideo);
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DWORD WINAPI videoStreamStart(HVIDEO hVideo);
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DWORD WINAPI videoStreamStop(HVIDEO hVideo);
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DWORD WINAPI videoStreamUnprepareHeader(HVIDEO hVideo,
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LPVIDEOHDR lpVHdr, DWORD dwSize);
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// Added post VFW1.1a
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DWORD WINAPI videoStreamAllocHdrAndBuffer(HVIDEO hVideo,
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LPVIDEOHDR FAR * plpVHdr, DWORD dwSize);
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DWORD WINAPI videoStreamFreeHdrAndBuffer(HVIDEO hVideo,
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LPVIDEOHDR lpVHdr);
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/****************************************************************************
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API Flags
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****************************************************************************/
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// Types of channels to open with the videoOpen function
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#define VIDEO_EXTERNALIN 0x0001
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#define VIDEO_EXTERNALOUT 0x0002
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#define VIDEO_IN 0x0004
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#define VIDEO_OUT 0x0008
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// Is a driver dialog available for this channel?
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#define VIDEO_DLG_QUERY 0x0010
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// videoConfigure (both GET and SET)
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#define VIDEO_CONFIGURE_QUERY 0x8000
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// videoConfigure (SET only)
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#define VIDEO_CONFIGURE_SET 0x1000
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// videoConfigure (GET only)
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#define VIDEO_CONFIGURE_GET 0x2000
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#define VIDEO_CONFIGURE_QUERYSIZE 0x0001
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#define VIDEO_CONFIGURE_CURRENT 0x0010
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#define VIDEO_CONFIGURE_NOMINAL 0x0020
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#define VIDEO_CONFIGURE_MIN 0x0040
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#define VIDEO_CONFIGURE_MAX 0x0080
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/****************************************************************************
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CONFIGURE MESSAGES
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****************************************************************************/
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#define DVM_USER 0X4000
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#define DVM_CONFIGURE_START 0x1000
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#define DVM_CONFIGURE_END 0x1FFF
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#define DVM_PALETTE (DVM_CONFIGURE_START + 1)
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#define DVM_FORMAT (DVM_CONFIGURE_START + 2)
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#define DVM_PALETTERGB555 (DVM_CONFIGURE_START + 3)
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#define DVM_SRC_RECT (DVM_CONFIGURE_START + 4)
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#define DVM_DST_RECT (DVM_CONFIGURE_START + 5)
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#endif /* ifndef _RCINVOKED */
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#ifdef __cplusplus
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} /* End of extern "C" { */
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#endif /* __cplusplus */
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#endif // _INC_VIDEO32
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