128 lines
4.3 KiB
C
128 lines
4.3 KiB
C
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// DCAP.H
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//
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// Created 31-Jul-96 [JonT]
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#ifndef _DCAP_H
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#define _DCAP_H
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#pragma pack(1) /* Assume byte packing throughout */
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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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// API defines. These allow optimized DLL import code generation
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#ifdef __DCAP_BUILD__
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#define DCAPI WINAPI
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#else
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#define DCAPI __declspec(dllimport) __stdcall
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#endif
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// Equates
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#define MAX_CAPDEV_NAME MAX_PATH
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#define MAX_CAPDEV_DESCRIPTION MAX_PATH
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#define MAX_CAPDEV_VERSION 80
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#define MIN_STREAMING_CAPTURE_BUFFERS 2
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// Equates for "InitializeStreaming" flags
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#define STREAMING_PREFER_STREAMING 0x0
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#define STREAMING_PREFER_FRAME_GRAB 0x1
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// CaptureDeviceDialog flags
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#define CAPDEV_DIALOG_QUERY 1 // Queries if the dialog exists
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#define CAPDEV_DIALOG_IMAGE 0 // (default and mutually exclusive with
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#define CAPDEV_DIALOG_SOURCE 2 // CAPDEV_DIALOG_SOURCE)
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// Errors
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#define DCAP_ERRORBIT 0x20000000
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#define ERROR_DCAP_DEVICE_IN_USE (DCAP_ERRORBIT | 0x0001)
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#define ERROR_DCAP_BAD_INSTALL (DCAP_ERRORBIT | 0x0002)
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#define ERROR_DCAP_NONSPECIFIC (DCAP_ERRORBIT | 0x0003)
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#define ERROR_DCAP_NO_DRIVER_SUPPORT (DCAP_ERRORBIT | 0x0004)
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#define ERROR_DCAP_NOT_WHILE_STREAMING (DCAP_ERRORBIT | 0x0005)
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#define ERROR_DCAP_FORMAT_NOT_SUPPORTED (DCAP_ERRORBIT | 0x0006)
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#define ERROR_DCAP_BAD_FRAMERATE (DCAP_ERRORBIT | 0x0007)
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#define ERROR_DCAP_BAD_PARAM (DCAP_ERRORBIT | 0x0008)
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#define ERROR_DCAP_DIALOG_FORMAT (DCAP_ERRORBIT | 0x0009) // can't reset format changes caused by dialog
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#define ERROR_DCAP_DIALOG_STREAM (DCAP_ERRORBIT | 0x000A) // can't re-establish stream after dialog
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// Structures
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#ifndef __DCAP_BUILD__
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typedef HANDLE HCAPDEV;
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typedef HANDLE HFRAMEBUF;
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#endif
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typedef struct _FINDCAPTUREDEVICE
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{
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DWORD dwSize;
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int nDeviceIndex;
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char szDeviceName[MAX_CAPDEV_NAME];
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char szDeviceDescription[MAX_CAPDEV_DESCRIPTION];
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char szDeviceVersion[MAX_CAPDEV_VERSION];
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} FINDCAPTUREDEVICE;
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typedef struct _CAPSTREAM
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{
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DWORD dwSize;
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int nFPSx100;
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int ncCapBuffers;
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HANDLE hevWait;
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} CAPSTREAM;
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typedef struct _CAPTUREPALETTE
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{
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WORD wVersion;
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WORD wcEntries;
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PALETTEENTRY pe[256];
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} CAPTUREPALETTE, FAR* LPCAPTUREPALETTE;
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typedef struct _CAPFRAMEINFO
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{
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LPSTR lpData;
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DWORD dwcbData;
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DWORD dwTimestamp;
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DWORD dwFlags;
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} CAPFRAMEINFO;
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// Prototypes
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int DCAPI GetNumCaptureDevices();
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BOOL DCAPI FindFirstCaptureDevice(IN OUT FINDCAPTUREDEVICE* lpfcd, char* szDeviceDescription);
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BOOL DCAPI FindFirstCaptureDeviceByIndex(IN OUT FINDCAPTUREDEVICE* lpfcd, int nDeviceIndex);
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BOOL DCAPI FindNextCaptureDevice(IN OUT FINDCAPTUREDEVICE* lpfcd);
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HCAPDEV DCAPI OpenCaptureDevice(int nDeviceIndex);
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BOOL DCAPI CloseCaptureDevice(HCAPDEV hcd);
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DWORD DCAPI GetCaptureDeviceFormatHeaderSize(HCAPDEV hcd);
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BOOL DCAPI GetCaptureDeviceFormat(HCAPDEV hcd, OUT LPBITMAPINFOHEADER lpbmih);
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BOOL DCAPI SetCaptureDeviceFormat(HCAPDEV hcd, IN LPBITMAPINFOHEADER lpbmih,
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IN LONG srcwidth, IN LONG srcheight);
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BOOL DCAPI GetCaptureDevicePalette(HCAPDEV hcd, OUT CAPTUREPALETTE* lpcp);
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BOOL DCAPI InitializeStreaming(HCAPDEV hcd, IN OUT CAPSTREAM* lpcs, IN DWORD flags);
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BOOL DCAPI SetStreamFrameRate(HCAPDEV hcd, IN int nFPSx100);
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BOOL DCAPI UninitializeStreaming(HCAPDEV hcd);
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BOOL DCAPI StartStreaming(HCAPDEV hcd);
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BOOL DCAPI StopStreaming(HCAPDEV hcd);
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LPSTR DCAPI GetNextReadyBuffer(HCAPDEV hcd, OUT CAPFRAMEINFO* lpcfi);
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BOOL DCAPI PutBufferIntoStream(HCAPDEV hcd, IN BYTE* lpBits);
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BOOL DCAPI CaptureDeviceDialog(HCAPDEV hcd, HWND hwndParent, DWORD dwFlags,
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IN LPBITMAPINFOHEADER lpbmih);
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LPBYTE DCAPI CaptureFrame(HCAPDEV hcd, IN HFRAMEBUF hbuf);
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HFRAMEBUF DCAPI AllocFrameBuffer(HCAPDEV hcd);
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VOID DCAPI FreeFrameBuffer(HCAPDEV hcd, IN HFRAMEBUF hbuf);
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LPBYTE DCAPI GetFrameBufferPtr(HCAPDEV hcd, IN HFRAMEBUF hbuf);
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DWORD DCAPI DCAPGetThreadExecutionTimeService(HANDLE R0ThreadID );
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HANDLE DCAPI DCAPGetR0ThreadHandle(void);
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#ifdef __cplusplus
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} /* End of extern "C" { */
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#endif /* __cplusplus */
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#pragma pack() /* Revert to default packing */
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#endif // #ifndef _DCAP_H
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