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NVIDIA FX4500 User Guide - Page 76

Linux CONTROL X Extension API, NV-Control X Functions

UPC - 054213211456

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Chapter 05 : API Control Linux CONTROL X Extension API This section describes the NvGvo APIs inthe following sections:  "NV‐Control X Functions" on page 72  "NV_CTRL_GVO Attributes" on page 79 NV-Control X Functions Table 5.2 NV-Control X Function Index Call XNVCTRLQueryExtension() XNVCTRLQueryVersion() XNVCTRLIsNvScreen() XNVCTRLSetAttribute() XNVCTRLSetAttributeAndGetStatus() XNVCTRLQueryAttribute() XNVCTRLQueryStringAttribute() XNVCTRLSetStringAttribute() XNVCTRLQueryValidAttributeValues() XNVCTRLSetGvoColorConversion() XNVCTRLQueryGvoColorConversion() Description Queries for the existence of the Nv_Gvo extensions Queries the extension version Queries whether the specified screen is controlled by the NVIDIA driver. Sets the specified attribute to the specified value. Same as XNVCTRLSetAttribute(). Queries the value of the specified attribute Queries the value of the specified string attribute Set the specified string attribute with the specified string. Queries the valid values for the specified attribute Sets the color conversion matrix Queries the color conversion matrix Quadro 4000/5000/6000 SDI DU-05337-001_v01 | 72

Section	Page
01 About NVIDIA Graphics to SDI	5
About This Document	5
Other Documents	5
System Requirements	6
02 NVIDIA Graphics-to-SDI	7
Feature Overview	7
Graphics and BNC Connections	7
Supported SDI Signal Formats	7
Supported SDI Color Formats	8
Supported Output Modes	8
Desktop Region Adjustment Capability	8
Genlock and Frame Lock Capability	8
Installing and Preparing the NVIDIA Quadro SDI	9
About Your NVIDIA Quadro SDI	9
Cards	9
Cables	9
Installing the NVIDIA Quadro SDI	10
Step 1: Install the NVIDIA Quadro SDI	10
Step 2: Connect the Auxiliary Cabling and Monitor	11
Step 3: Install the NVIDIA Graphics Drivers	12
Operating NVIDIA SDI	13
Understanding the Connections	13
Connecting the SDI Video Output	14
Connecting to an External Sync Source	14
About the Software	15
Using the SDI APIs	15
Using the Control Panel	15
Recommended Operating Practices	16
Initial On-Air Broadcast	16
Changing Applications	16
Changing Video Formats	17
When Using the Control Panel	17
Running Multiple OpenGL Applications	17
03 Windows–Using the Graphics to SDI Control Panel	18
How to Set Up the Graphics-to-SDI Output	19
Basic SDI Setup	19
Synchronizing the SDI Output to an External Source	22
Supported Synchronization Methods	22
Supported Synchronization Signals	22
Connecting to an External Synchronization Source	22
Understanding the Status Indicators	23
Advanced Adjustments	24
Adjusting the Desktop Area	24
Applying Gamma Correction	25
Setting Up the Color Space Conversion	26
About Dualview Mode	27
Enabling Multiple SDI Cards	28
Allowing Application Control of the SDI Output	29
Step 1: Turn off NVIDIA Control Panel SDI output control.	29
Step 2: Close the NVIDIA Control Panel.	29
Step 3: Start the application.	29
Viewing the SDI Connection Status Using the Topology Viewer	31
04 Linux—Using the Graphics to Video Out Control Panel	32
How to Set Up the SDI Output	32
Basic SDI Setup Under Clone Mode	33
Step 1: Open the NVIDIA Graphics to Video Out Property Page	33
Step 2: Choose a Synchronization Method	34
Step 3: Choose the Video and Data Formats	35
Step 4: Begin SDI Output	36
Basic SDI Setup with X-window or under Dualview Mode	36
Step 1: Configure the Display for Dualview or X-Screen	36
Step 2: Choose a Synchronization Method	38
Step 3: Choose Data Formats	40
Advanced Setups	40
Understanding the Status Indicators	41
Adjusting the Desktop Area	42
Customizing the Color Space Conversion	42
Synchronizing the SDI Output to an External Source	43
Genlock Versus Frame Lock	43
Supported Synchronization Signals	44
Synchronization Instructions	44
05 API Control	46
SDI Application Programming Overview	47
Windows XP NvGvo API Description	48
NvGvo Function Description	48
NvGvoCaps()	49
NvGvoOpen()	49
NvGvoClose()	50
NvGvoDesktopOpen()	50
NvGvoDesktopClose()	51
NvGvoStatus()	52
NvGvoSyncFormatDetect()	52
NvGvoConfigGet()	53
NvGvoConfigSet()	53
NvGvoIsRunning()	54
NvGvoStart()	54
NvGvoStop()	55
NvGvoEnumSignalFormats()	55
NvGvoIsFrameLockModeCompatible()	56
NvGvoEnumDataFormats()	56
NvGvo Structures, Enumerations, and Defines	57
Miscellaneous Defines	57
Video Signal Format and Resolution Enumerations	58
SMPTE Standards Format Enumeration	60
HD or SD Video Type Enumeration	60
Interlace Mode Enumeration	61
Video Data Format Enumeration	61
Video Output Area Enumeration	63
Synchronization Source Enumeration	63
Composite Synchronization Type Enumeration	63
Video Output Status Enumeration	64
Synchronization Input Status Enumeration	64
Device Capabilities Defines	64
Driver Version Structure	65
Firmware Version Structure	65
Device Capabilities Structure	65
Device Status Structure	66
Output Region Structure	67
Gamma Ramp (8-bit Index) Structure	67
Gamma Ramp (10-bit Index) Structure	68
Sync Delay Structure	68
Video Mode Information Structure	68
Signal Format Details Structure	69
P-Buffer Format Defines	69
Data Format Details Structure	70
Device Configuration Defines	71
Color Conversion Structure	73
Composite Range Structure	73
Device Configuration Structure	74
Linux CONTROL X Extension API	76
NV-Control X Functions	76
XNVCTRLQueryExtension()	77
XNVCTRLQueryVersion()	77
XNVCTRLIsNvScreen()	77
XNVCTRLSetAttribute()	77
XNVCTRLSetAttributeAndGetStatus()	78
XNVCTRLQueryAttribute()	78
XNVCTRLQueryStringAttribute()	79
XNVCTRLSetStringAttribute()	79
XNVCTRLQueryValidAttributeValues()	80
XNVCTRLSetGvoColorConversion()	80
XNVCTRLQueryGvoColorConversion()	82
NV_CTRL_GVO Attributes	83
NV_CTRL_GVO_SUPPORTED	84
NV_CTRL_GVO_SYNC_MODE	84
NV_CTRL_GVO_SYNC_SOURCE	85
NV_CTRL_GVO_OUTPUT_VIDEO_FORMAT	85
NV_CTRL_GVO_INPUT_VIDEO_FORMAT	87
NV_CTRL_GVO_DATA_FORMAT	88
NV_CTRL_GVO_DISPLAY_X_SCREEN	89
NV_CTRL_GVO_COMPOSITE_SYNC_INPUT_DETECTED	89
NV_CTRL_GVO_COMPOSITE_SYNC_INPUT_DETECT_MODE	90
NV_CTRL_GVO_SYNC_INPUT_DETECTED	90
NV_CTRL_GVO_VIDEO_OUTPUTS	91
NV_CTRL_GVO_FPGA_VERSION	91
NV_CTRL_GVO_SYNC_DELAY_PIXELS	91
NV_CTRL_GVO_SYNC_DELAY_LINES	92
NV_CTRL_GVO_INPUT_VIDEO_FORMAT_REACQUIRE	92
NV_CTRL_GVO_GLX_LOCKED	92
#define NV_CTRL_GVO_GLX_LOCKED_TRUE 1	93
NV_CTRL_GVO_X_SCREEN_PAN_[XY]	94