SDI Technologies iH30 Spezifikationen PDF herunterladen (Seite 80)

Quadro SDI Output PG-03776-001_v06

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12 NVAPI VIO

typedef NvU32 NVVIOOWNERID; // Unique identifier for VIO owner

(process identifier or NVVIOOWNERID_NONE)

#define NVVIOOWNERID_NONE 0 // Unregistered ownerId

typedef enum _NVVIOOWNERTYPE // Owner type for device

{

NVVIOOWNERTYPE_NONE, // No owner for device

NVVIOOWNERTYPE_APPLICATION, // Application owns device

NVVIOOWNERTYPE_DESKTOP, // Desktop transparent mode owns

device (not applicable for video input)

}NVVIOOWNERTYPE;

// Access rights for NvAPI_VIO_Open()

#define NVVIO_O_READ 0x00000000 // Read access (not

applicable for video output)

#define NVVIO_O_WRITE_EXCLUSIVE 0x00010001 // Write exclusive

access (not applicable for video input)

#define NVVIO_VALID_ACCESSRIGHTS ( NVVIO_O_READ | \

NVVIO_O_WRITE_EXCLUSIVE )

// VIO_DATA.ulOwnerID high-bit is set only if device has been

initialized by VIOAPI

// examined at NvAPI_GetCapabilities|NvAPI_VIO_Open to determine if

settings need to be applied from registry or POR state read

#define NVVIO_OWNERID_INITIALIZED 0x80000000

// VIO_DATA.ulOwnerID next-bit is set only if device is currently in

exclusive write access mode from NvAPI_VIO_Open()

#define NVVIO_OWNERID_EXCLUSIVE 0x40000000

// VIO_DATA.ulOwnerID lower bits are:

// NVGVOOWNERTYPE_xxx enumerations indicating use context

#define NVVIO_OWNERID_TYPEMASK 0x0FFFFFFF // mask for

NVVIOOWNERTYPE_xxx

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SDI Technologies iH30 Spezifikationen Seite 80