NVIDIA FX4500 User Guide - Page 89
Nv_ctrl_gvo_display_x_screen, Nv_ctrl_gvo_composite_sync_input_detected
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Page 89 highlights
Chapter 05 : API Control #define NV_CTRL_GVO_DATA_FORMAT_R10G10B10_TO_YCRCB422 15 #define NV_CTRL_GVO_DATA_FORMAT_R10G10B10_TO_YCRCB444 16 #define NV_CTRL_GVO_DATA_FORMAT_Y12CR12CB12_TO_YCRCB444 17 #define NV_CTRL_GVO_DATA_FORMAT_R12G12B12_TO_YCRCB444 18 NV_CTRL_GVO_DISPLAY_X_SCREEN /* * NV_CTRL_GVO_DISPLAY_X_SCREEN - enable/disable GVO output of the X * screen. At this point, all the GVO attributes that have been * cached in the X server are flushed to the hardware and GVO is * enabled. Note that this attribute can fail to be set if a GLX * client has locked the GVO output (via glXGetVideoDeviceNV). Note * that due to the inherit race conditions in this locking strategy, * NV_CTRL_GVO_DISPLAY_X_SCREEN can fail unexpectantly. In the * failing situation, X will not return an X error. Instead, you * should query the value of NV_CTRL_GVO_DISPLAY_X_SCREEN after * setting it to confirm that the setting was applied. */ #define NV_CTRL_GVO_DISPLAY_X_SCREEN RW- */ #define NV_CTRL_GVO_DISPLAY_X_SCREEN_ENABLE #define NV_CTRL_GVO_DISPLAY_X_SCREEN_DISABLE 73 /* 1 0 NV_CTRL_GVO_COMPOSITE_SYNC_INPUT_DETECTED /* * NV_CTRL_GVO_COMPOSITE_SYNC_INPUT_DETECTED - indicates whether * Composite Sync input is detected. */ Quadro 4000/5000/6000 SDI DU-05337-001_v01 | 85
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