Nvidia Quadro FX 4500 Software Manual page 78

C 5
HAPTER
API Control
NV_CTRL_GVO_LOCKED
/*
* NV_CTRL_GVO_LOCKED - indicates that GVO configurability is locked;
* this occurs when the GLX_NV_video_out function calls
* glXGetVideoDeviceNV().
* either glXReleaseVideoDeviceNV() is called or the X Display used
* when calling glXGetVideoDeviceNV() is closed.
*
* When GVO is locked; all GVO NV-CONTROL attributes are read only.
*/
#define NV_CTRL_GVO_GLX_LOCKED
#define NV_CTRL_GVO_GLX_LOCKED_FALSE
#define NV_CTRL_GVO_GLX_LOCKED_TRUE
NV_CTRL_GVO_VIDEO_FORMAT_{WIDTH,HEIGHT,REFRESH_RATE}
/*
* NV_CTRL_GVO_VIDEO_FORMAT_{WIDTH,HEIGHT,REFRESH_RATE} - query the
* width, height, and refresh rate for the specified
* NV_CTRL_GVO_VIDEO_FORMAT_*.
* existing interfaces, XNVCTRLQueryAttribute() should be used, and
* the video format specified in the display_mask field; eg:
*
* XNVCTRLQueryAttribute (dpy,
*
*
*
*
*
* Note that Refresh Rate is in 1/1000 Hertz values
*/
#define NV_CTRL_GVO_VIDEO_FORMAT_WIDTH
#define NV_CTRL_GVO_VIDEO_FORMAT_HEIGHT
#define NV_CTRL_GVO_VIDEO_FORMAT_REFRESH_RATE
74
All GVO output resources are locked until
So that this can be queried with
screen,
NV_CTRL_GVO_VIDEO_FORMAT_480I_59_94_SMPTE259_NTSC
NV_CTRL_GVO_VIDEO_FORMAT_WIDTH,
&value);
Quadro FX 4500/5500 SDI User's Guide– Version 2.0
82 /* R-- */
0
1
83 /* R-- */
84 /* R-- */
85 /* R-- */
NVIDIA Corporation