Functions
int	XV_HcrsmplInitialize (XV_Hcresampler_l2 *InstancePtr, u16 DeviceId)
	This function initializes the core instance. More...

void	XV_HCrsmplStart (XV_Hcresampler_l2 *InstancePtr)
	This function starts the Chroma resampler core. More...

void	XV_HCrsmplStop (XV_Hcresampler_l2 *InstancePtr)
	This function stops the Chroma resampler core. More...

void	XV_HCrsmplLoadDefaultCoeff (XV_Hcresampler_l2 *InstancePtr)
	This function loads default filter coefficients in the chroma resampler coefficient storage based on the selected TAP configuration. More...

void	XV_HCrsmplrLoadExtCoeff (XV_Hcresampler_l2 InstancePtr, u16 num_taps, const short Coeff)
	This function loads user defined filter coefficients in the horiz. More...

void	XV_HCrsmplSetActiveSize (XV_Hcresampler_l2 *InstancePtr, u32 width, u32 height)
	This function configures the Chroma resampler active resolution. More...

void	XV_HCrsmplSetFormat (XV_Hcresampler_l2 *InstancePtr, XVidC_ColorFormat formatIn, XVidC_ColorFormat formatOut)
	This function configures the Chroma resampler for the required format conversion. More...

void	XV_HCrsmplDbgReportStatus (XV_Hcresampler_l2 *InstancePtr)
	This function prints Chroma Resampler status on the console. More...

Variables
const short	XV_hcrsmplrcoeff_taps4 [XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4]
	4 tap filter coefficients More...

const short	XV_hcrsmplrcoeff_taps4 [XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4]
	4 tap filter coefficients More...

Function Documentation

void XV_HCrsmplDbgReportStatus ( XV_Hcresampler_l2 * InstancePtr )

This function prints Chroma Resampler status on the console.

Parameters

InstancePtr is a pointer to the core instance to be worked on.

Returns: None

References XV_hcresampler_Config::BaseAddress, XV_hcresampler::Config, XV_hcresampler_Config::NumTaps, XV_hcresampler_Config::ResamplingType, XV_HCRESAMPLER_CTRL_ADDR_AP_CTRL, XV_hcresampler_Get_HwReg_height(), XV_hcresampler_Get_HwReg_input_video_format(), XV_hcresampler_Get_HwReg_output_video_format(), XV_hcresampler_Get_HwReg_width(), XV_hcresampler_IsDone(), XV_hcresampler_IsIdle(), and XV_hcresampler_IsReady().

int XV_HcrsmplInitialize	(	XV_Hcresampler_l2 *	InstancePtr,
		u16	DeviceId
	)

This function initializes the core instance.

Parameters

InstancePtr	is a pointer to core instance to be worked upon
DeviceId	is instance id of the core

Returns: XST_SUCCESS if device is found and initialized XST_DEVICE_NOT_FOUND if device is not found

void XV_HCrsmplLoadDefaultCoeff ( XV_Hcresampler_l2 * InstancePtr )

This function loads default filter coefficients in the chroma resampler coefficient storage based on the selected TAP configuration.

Parameters

InstancePtr is a pointer to the core instance to be worked on.

Returns: None

References XV_hcresampler::Config, XV_hcresampler_Config::NumTaps, XV_hcrsmplrcoeff_taps4, and XV_HCrsmplrLoadExtCoeff().

void XV_HCrsmplrLoadExtCoeff	(	XV_Hcresampler_l2 *	InstancePtr,
		u16	num_taps,
		const short *	Coeff
	)

This function loads user defined filter coefficients in the horiz.

chroma resampler coefficient storage

Parameters

InstancePtr	is a pointer to the core instance to be worked on.
num_taps	is the number of taps
Coeff	is a pointer to user defined filter coefficients table

Returns: None

References XV_hcresampler::Config, and XV_hcresampler_Config::NumTaps.

Referenced by XV_HCrsmplLoadDefaultCoeff().

void XV_HCrsmplSetActiveSize	(	XV_Hcresampler_l2 *	InstancePtr,
		u32	width,
		u32	height
	)

This function configures the Chroma resampler active resolution.

Parameters

InstancePtr	is a pointer to the core instance to be worked on.
width	is the active frame width
height	is the active frame height

Returns: None

References XV_hcresampler_Set_HwReg_height(), and XV_hcresampler_Set_HwReg_width().

void XV_HCrsmplSetFormat	(	XV_Hcresampler_l2 *	InstancePtr,
		XVidC_ColorFormat	formatIn,
		XVidC_ColorFormat	formatOut
	)

This function configures the Chroma resampler for the required format conversion.

Parameters

InstancePtr	is a pointer to the core instance to be worked on.
formatIn	is the input chroma format
formatOut	is required chroma format

Returns: None

References XV_hcresampler::Config, XV_hcresampler_Config::ResamplingType, XV_hcresampler_Set_HwReg_input_video_format(), and XV_hcresampler_Set_HwReg_output_video_format().

void XV_HCrsmplStart ( XV_Hcresampler_l2 * InstancePtr )

This function starts the Chroma resampler core.

Parameters

InstancePtr is a pointer to the core instance to be worked on.

Returns: None

References XV_hcresampler_EnableAutoRestart(), and XV_hcresampler_Start().

void XV_HCrsmplStop ( XV_Hcresampler_l2 * InstancePtr )

This function stops the Chroma resampler core.

Parameters

InstancePtr is a pointer to the core instance to be worked on.

Returns: None

References XV_hcresampler_DisableAutoRestart().

Variable Documentation

const short XV_hcrsmplrcoeff_taps4[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4]

Initial value:

=
{
  
  {{   0, 1024, 2048, 1024},
   {   0,    0,    0,    0}
  },
  
  {{   0,    0, 4096,    0},
   { 506, 1542, 1542,  506}
  }
}

4 tap filter coefficients

Referenced by XV_HCrsmplLoadDefaultCoeff().

const short XV_hcrsmplrcoeff_taps4[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4]

4 tap filter coefficients

Referenced by XV_HCrsmplLoadDefaultCoeff().

Functions

Variables

Function Documentation

Variable Documentation