NVIDIA FX5500 User Guide - Page 78

Nv_ctrl_gvo_locked, Nv_ctrl_gvo_video_format_{width, Height, Refresh_rate}, Refresh_rate} - Query

Page 78 highlights

CHAPTER 5 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(). All GVO output resources are locked until * 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 82 /* R-- */ 0 1 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_*. So that this can be queried with * existing interfaces, XNVCTRLQueryAttribute() should be used, and * the video format specified in the display_mask field; eg: * * XNVCTRLQueryAttribute (dpy, * screen, * NV_CTRL_GVO_VIDEO_FORMAT_480I_59_94_SMPTE259_NTSC * NV_CTRL_GVO_VIDEO_FORMAT_WIDTH, * &value); * * 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 83 /* R-- */ 84 /* R-- */ 85 /* R-- */ NVIDIA Corporation 74 Quadro FX 4500/5500 SDI User's Guide- Version 2.0

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88

NVIDIA Corporation
74
Quadro FX 4500/5500 SDI User’s Guide
– Version 2.0
C
HAPTER
5
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().
All GVO output resources are locked until
* 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
82
/* R-- */
#define NV_CTRL_GVO_GLX_LOCKED_FALSE
0
#define NV_CTRL_GVO_GLX_LOCKED_TRUE
1
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_*.
So that this can be queried with
* existing interfaces, XNVCTRLQueryAttribute() should be used, and
* the video format specified in the display_mask field; eg:
*
* XNVCTRLQueryAttribute (dpy,
*
screen,
*
NV_CTRL_GVO_VIDEO_FORMAT_480I_59_94_SMPTE259_NTSC
*
NV_CTRL_GVO_VIDEO_FORMAT_WIDTH,
*
&value);
*
* Note that Refresh Rate is in 1/1000 Hertz values
*/
#define NV_CTRL_GVO_VIDEO_FORMAT_WIDTH
83
/* R-- */
#define NV_CTRL_GVO_VIDEO_FORMAT_HEIGHT
84
/* R-- */
#define NV_CTRL_GVO_VIDEO_FORMAT_REFRESH_RATE
85
/* R-- */