xv_vscaler_l2.h File Reference

Data Structures
struct	XV_Vscaler_l2
	V Scaler Layer 2 data. More...

Hw Configuration
The following constants define the scaler HW MAX configuration
#define	XV_VSCALER_MAX_V_TAPS   (12)
#define	XV_VSCALER_MAX_V_PHASES   (64)
#define	XV_VscalerIs420Enabled(InstancePtr)   ((InstancePtr)->Vsc.Config.Is420Enabled)
	This macro checks if Vscaler instance is enabled for 4:2:0 processing. More...
enum	XV_VSCALER_TYPE
	This typedef eumerates the Scaler Type. More...
enum	XV_VSCALER_TAPS
	This typedef enumerates the supported taps. More...
int	XV_VScalerInitialize (XV_Vscaler_l2 *InstancePtr, u16 DeviceId)
	This function initializes the core instance. More...
void	XV_VScalerStart (XV_Vscaler_l2 *InstancePtr)
	This function starts the vertical scaler core. More...
void	XV_VScalerStop (XV_Vscaler_l2 *InstancePtr)
	This function stops the vertical scaler core. More...
void	XV_VScalerLoadExtCoeff (XV_Vscaler_l2 *InstancePtr, u16 num_phases, u16 num_taps, const short *Coeff)
	This function loads user defined filter coefficients in the scaler coefficient storage. More...
int	XV_VScalerSetup (XV_Vscaler_l2 *InstancePtr, u32 WidthIn, u32 HeightIn, u32 HeightOut, u32 ColorFormat)
	This function configures the scaler core registers with the specified configuration parameters of the AXI stream. More...
void	XV_VScalerDbgReportStatus (XV_Vscaler_l2 *InstancePtr)
	This function prints V Scaler status on the console. More...

Macro Definition Documentation

#define XV_VscalerIs420Enabled

(

InstancePtr

)

((InstancePtr)->Vsc.Config.Is420Enabled)

This macro checks if Vscaler instance is enabled for 4:2:0 processing.

Parameters

InstancePtr

is pointer to Vscaler core layer 2

Returns

Returns 1 if condition is TRUE or 0 if FALSE

Referenced by XV_VScalerDbgReportStatus(), and XV_VScalerSetup().

Enumeration Type Documentation

enum XV_VSCALER_TAPS

This typedef enumerates the supported taps.

enum XV_VSCALER_TYPE

This typedef eumerates the Scaler Type.