NVIDIA FX4500 User Guide - Page 73

Color Conversion Structure, Composite Range Structure, define MAX_NUM_COMPOSITE_RANGE

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Chapter 05 : API Control Color Conversion Structure NVGVOCONFIG_COMPOSITE | \ NVGVOCONFIG_ALPHAKEYCOMPOSITE | \ NVGVOCONFIG_COMPOSITE_Y | \ NVGVOCONFIG_COMPOSITE_CR | \ NVGVOCONFIG_COMPOSITE_CB) struct NVGVOCOLORCONVERSION // Color conversion: { // NVFLOAT colorMatrix[3][3]; // Output[n] = NVFLOAT + colorOffset[3]; // Input[0] * colorMatrix[n][0] NVFLOAT + colorScale[3]; // Input[1] * colorMatrix[n][1] // Input[2] * colorMatrix[n][2] + // OutputRange * colorOffset[n] // where OutputRange is the standard // magnitude of Output[n][n] and values // colorMatrix and colorOffset +1.0 // are within the range -1.0 to BOOL luminance bCompositeSafe; // bCompositeSafe constrains // range when using composite output }; Composite Range Structure #define MAX_NUM_COMPOSITE_RANGE 2 channel typedef struct tagNVGVOCOMPOSITERANGE { DWORD dwRange; BOOL bEnabled; // maximum number of ranges per Quadro 4000/5000/6000 SDI DU-05337-001_v01 | 69

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Quadro 4000/5000/6000 SDI
DU-05337-001_v01
|
69
Chapter 05 : API Control
NVGVOCONFIG_COMPOSITE
| \
NVGVOCONFIG_ALPHAKEYCOMPOSITE
| \
NVGVOCONFIG_COMPOSITE_Y
| \
NVGVOCONFIG_COMPOSITE_CR
| \
NVGVOCONFIG_COMPOSITE_CB)
Color Conversion Structure
struct
NVGVOCOLORCONVERSION
// Color conversion:
{
//
NVFLOAT
colorMatrix[3][3];
//
Output[n] =
NVFLOAT
colorOffset[3];
//
Input[0] * colorMatrix[n][0]
+
NVFLOAT
colorScale[3];
//
Input[1] * colorMatrix[n][1]
+
//
Input[2] * colorMatrix[n][2] +
//
OutputRange * colorOffset[n]
//
where OutputRange is the standard
//
magnitude of Output[n][n] and
//
colorMatrix and colorOffset
values
//
are within the range -1.0 to
+1.0
BOOL
bCompositeSafe;
// bCompositeSafe constrains
luminance
// range when using composite output
};
Composite Range Structure
#define MAX_NUM_COMPOSITE_RANGE
2
// maximum number of ranges per
channel
typedef struct tagNVGVOCOMPOSITERANGE
{
DWORD
dwRange;
BOOL
bEnabled;