dvp.h

Direct8.1SDK 游戏编程必备SDK 8.1版适用范围广些

 * DDVIDEOPORTDESC
 */
typedef struct _DDVIDEOPORTDESC
{
    DWORD dwSize;			// size of the DDVIDEOPORTDESC structure
    DWORD dwFieldWidth;			// width of the video port field
    DWORD dwVBIWidth;			// width of the VBI data
    DWORD dwFieldHeight;		// height of the video port field
    DWORD dwMicrosecondsPerField;	// Microseconds per video field
    DWORD dwMaxPixelsPerSecond;		// Maximum pixel rate per second
    DWORD dwVideoPortID;		// Video port ID (0 - (dwMaxVideoPorts -1))
    DWORD dwReserved1;			// Reserved for future use - set to zero (struct padding)
    DDVIDEOPORTCONNECT VideoPortType; 	// Description of video port connection
    ULONG_PTR dwReserved2;		// Reserved for future use - set to zero
    ULONG_PTR dwReserved3;		// Reserved for future use - set to zero
} DDVIDEOPORTDESC;


/*
 * DDVIDEOPORTINFO
 */
typedef struct _DDVIDEOPORTINFO
{
    DWORD dwSize;			// Size of the structure
    DWORD dwOriginX;			// Placement of the video data within the surface.
    DWORD dwOriginY;			// Placement of the video data within the surface.
    DWORD dwVPFlags;			// Video port options
    RECT rCrop;				// Cropping rectangle (optional).
    DWORD dwPrescaleWidth;		// Determines pre-scaling/zooming in the X direction (optional).
    DWORD dwPrescaleHeight;		// Determines pre-scaling/zooming in the Y direction (optional).
    LPDDPIXELFORMAT lpddpfInputFormat;	// Video format written to the video port
    LPDDPIXELFORMAT lpddpfVBIInputFormat; // Input format of the VBI data
    LPDDPIXELFORMAT lpddpfVBIOutputFormat;// Output format of the data
    DWORD dwVBIHeight;			// Specifies the number of lines of data within the vertical blanking interval.
    ULONG_PTR dwReserved1;		// Reserved for future use - set to zero
    ULONG_PTR dwReserved2;		// Reserved for future use - set to zero
} DDVIDEOPORTINFO;


/*
 * DDVIDEOPORTBANDWIDTH
 */
typedef struct _DDVIDEOPORTBANDWIDTH
{
    DWORD dwSize;			// Size of the structure
    DWORD dwCaps;
    DWORD dwOverlay;           		// Zoom factor at which overlay is supported
    DWORD dwColorkey;			// Zoom factor at which overlay w/ colorkey is supported
    DWORD dwYInterpolate;		// Zoom factor at which overlay w/ Y interpolation is supported
    DWORD dwYInterpAndColorkey;		// Zoom factor at which ovelray w/ Y interpolation and colorkeying is supported
    ULONG_PTR dwReserved1;		// Reserved for future use - set to zero
    ULONG_PTR dwReserved2;		// Reserved for future use - set to zero
} DDVIDEOPORTBANDWIDTH;


/*
 * DDVIDEOPORTSTATUS
 */
typedef struct _DDVIDEOPORTSTATUS
{
    DWORD dwSize;			// Size of the structure
    BOOL  bInUse;			// TRUE if video port is currently being used
    DWORD dwFlags;           		// Currently not used
    DWORD dwReserved1;			// Reserved for future use
    DDVIDEOPORTCONNECT VideoPortType;	// Information about the connection
    ULONG_PTR dwReserved2;		// Reserved for future use
    ULONG_PTR dwReserved3;		// Reserved for future use
} DDVIDEOPORTSTATUS;

/*
 * DDVIDEOPORTNOTIFY
 */
typedef struct _DDVIDEOPORTNOTIFY
{
    LARGE_INTEGER ApproximateTimeStamp;	// Timestamp in the event notification
    LONG lField;                        // 0 if even, 1 if odd, -1 if unknown
    UINT dwSurfaceIndex;                // Index in the surface chain of the surface that received the sample
    LONG lDone;                         // Call InterlockedIncrement on this when done with sample
} DDVIDEOPORTNOTIFY;


/*============================================================================
 *
 * Video Port Flags
 *
 * All flags are bit flags.
 *
 *==========================================================================*/

/****************************************************************************
 *
 * VIDEOPORT DDVIDEOPORTCONNECT FLAGS
 *
 ****************************************************************************/

/*
 * When this is set by the driver and passed to the client, this
 * indicates that the video port is capable of double clocking the data.
 * When this is set by the client, this indicates that the video port
 * should enable double clocking.  This flag is only valid with external
 * syncs.
 */
#define DDVPCONNECT_DOUBLECLOCK			0x00000001l

/*
 * When this is set by the driver and passed to the client, this
 * indicates that the video port is capable of using an external VACT
 * signal. When this is set by the client, this indicates that the
 * video port should use the external VACT signal.
 */
#define DDVPCONNECT_VACT			0x00000002l

/*
 * When this is set by the driver and passed to the client, this
 * indicates that the video port is capable of treating even fields
 * like odd fields and visa versa.  When this is set by the client,
 * this indicates that the video port should treat even fields like odd
 * fields.
 */
#define DDVPCONNECT_INVERTPOLARITY		0x00000004l

/*
 * Indicates that any data written to the video port during the VREF
 * period will not be written into the frame buffer. This flag is read only.
 */
#define DDVPCONNECT_DISCARDSVREFDATA		0x00000008l

/*
 * When this is set be the driver and passed to the client, this
 * indicates that the device will write half lines into the frame buffer
 * if half lines are provided by the decoder.  If this is set by the client,
 * this indicates that the decoder will be supplying half lines.
 */
#define DDVPCONNECT_HALFLINE			0x00000010l

/*
 * Indicates that the signal is interlaced. This flag is only
 * set by the client.
 */
#define DDVPCONNECT_INTERLACED			0x00000020l

/*
 * Indicates that video port is shareable and that this video port
 * will use the even fields.  This flag is only set by the client.
 */
#define DDVPCONNECT_SHAREEVEN			0x00000040l

/*
 * Indicates that video port is shareable and that this video port
 * will use the odd fields.  This flag is only set by the client.
 */
#define DDVPCONNECT_SHAREODD			0x00000080l

/****************************************************************************
 *
 * VIDEOPORT DDVIDEOPORTDESC CAPS
 *
 ****************************************************************************/

/*
 * Flip can be performed automatically to avoid tearing.
 */
#define DDVPCAPS_AUTOFLIP			0x00000001l

/*
 * Supports interlaced video
 */
#define DDVPCAPS_INTERLACED			0x00000002l

/*
 * Supports non-interlaced video
 */
#define DDVPCAPS_NONINTERLACED			0x00000004l

/*
 * Indicates that the device can return whether the current field
 * of an interlaced signal is even or odd.
 */
#define DDVPCAPS_READBACKFIELD			0x00000008l

/*
 * Indicates that the device can return the current line of video
 * being written into the frame buffer.
 */
#define DDVPCAPS_READBACKLINE			0x00000010l

/*
 * Allows two gen-locked video streams to share a single video port,
 * where one stream uses the even fields and the other uses the odd
 * fields. Separate parameters (including address, scaling,
 * cropping, etc.) are maintained for both fields.)
 */
#define DDVPCAPS_SHAREABLE			0x00000020l

/*
 * Even fields of video can be automatically discarded.
 */
#define DDVPCAPS_SKIPEVENFIELDS			0x00000040l

/*
 * Odd fields of video can be automatically discarded.
 */
#define DDVPCAPS_SKIPODDFIELDS			0x00000080l

/*
 * Indicates that the device is capable of driving the graphics
 * VSYNC with the video port VSYNC.
 */
#define DDVPCAPS_SYNCMASTER			0x00000100l

/*
 * Indicates that data within the vertical blanking interval can
 * be written to a different surface.
 */
#define DDVPCAPS_VBISURFACE			0x00000200l

/*
 * Indicates that the video port can perform color operations
 * on the incoming data before it is written to the frame buffer.
 */
#define DDVPCAPS_COLORCONTROL			0x00000400l

/*
 * Indicates that the video port can accept VBI data in a different
 * width or format than the regular video data.
 */
#define DDVPCAPS_OVERSAMPLEDVBI			0x00000800l

/*
 * Indicates that the video port can write data directly to system memory
 */
#define DDVPCAPS_SYSTEMMEMORY			0x00001000l

/*
 * Indicates that the VBI and video portions of the video stream can
 * be controlled by an independent processes.
 */
#define DDVPCAPS_VBIANDVIDEOINDEPENDENT		0x00002000l

/*
 * Indicates that the video port contains high quality hardware
 * de-interlacing hardware that should be used instead of the
 * bob/weave algorithms.
 */
#define DDVPCAPS_HARDWAREDEINTERLACE		0x00004000l


/****************************************************************************
 *
 * VIDEOPORT DDVIDEOPORTDESC FX
 *
 ****************************************************************************/

/*
 * Limited cropping is available to crop out the vertical interval data.
 */
#define DDVPFX_CROPTOPDATA			0x00000001l

/*
 * Incoming data can be cropped in the X direction before it is written
 * to the surface.
 */
#define DDVPFX_CROPX				0x00000002l

/*
 * Incoming data can be cropped in the Y direction before it is written
 * to the surface.
 */
#define DDVPFX_CROPY				0x00000004l

/*
 * Supports interleaving interlaced fields in memory.
 */
#define DDVPFX_INTERLEAVE			0x00000008l

/*
 * Supports mirroring left to right as the video data is written
 * into the frame buffer.
 */
#define DDVPFX_MIRRORLEFTRIGHT			0x00000010l

/*
 * Supports mirroring top to bottom as the video data is written
 * into the frame buffer.
 */
#define DDVPFX_MIRRORUPDOWN			0x00000020l

/*
 * Data can be arbitrarily shrunk in the X direction before it
 * is written to the surface.
 */
#define DDVPFX_PRESHRINKX			0x00000040l

/*
 * Data can be arbitrarily shrunk in the Y direction before it
 * is written to the surface.
 */
#define DDVPFX_PRESHRINKY			0x00000080l

/*
 * Data can be binary shrunk (1/2, 1/4, 1/8, etc.) in the X
 * direction before it is written to the surface.
 */
#define DDVPFX_PRESHRINKXB			0x00000100l

/*
 * Data can be binary shrunk (1/2, 1/4, 1/8, etc.) in the Y
 * direction before it is written to the surface.
 */
#define DDVPFX_PRESHRINKYB			0x00000200l

/*
 * Data can be shrunk in increments of 1/x in the X direction
 * (where X is specified in the DDVIDEOPORTCAPS.dwPreshrinkXStep)
 * before it is written to the surface.
 */
#define DDVPFX_PRESHRINKXS			0x00000400l

/*
 * Data can be shrunk in increments of 1/x in the Y direction
 * (where X is specified in the DDVIDEOPORTCAPS.dwPreshrinkYStep)
 * before it is written to the surface.
 */