gavl_dsp_funcs_t Struct Reference
[DSP Context]

Function table. More...

#include <gavldsp.h>


Data Fields

int(* sad_rgb15 )(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)
 Get the sum of absolute differences (RGB/BGR15).
int(* sad_rgb16 )(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)
 Get the sum of absolute differences (RGB/BGR16).
int(* sad_8 )(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)
 Get the sum of absolute differences (8 bit).
int(* sad_16 )(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)
 Get the sum of absolute differences (16 bit).
float(* sad_f )(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)
 Get the sum of absolute differences (float).
void(* average_rgb15 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)
 Average 2 scanlines (RGB/BGR15).
void(* average_rgb16 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)
 Average 2 scanlines (RGB/BGR16).
void(* average_8 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)
 Average 2 scanlines (8 bit).
void(* average_16 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)
 Average 2 scanlines (16 bit).
void(* average_f )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)
 Average 2 scanlines (float).
void(* interpolate_rgb15 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float)
 Interpolate 2 scanlines (RGB/BGR15).
void(* interpolate_rgb16 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)
 Interpolate 2 scanlines (RGB/BGR16).
void(* interpolate_8 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)
 Interpolate 2 scanlines (8 bit).
void(* interpolate_16 )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)
 Interpolate 2 scanlines (16 bit).
void(* interpolate_f )(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)
 Interpolate 2 scanlines (float).
void(* bswap_16 )(void *ptr, int len)
 Do 16 bit endian swapping.
void(* bswap_32 )(void *ptr, int len)
 Do 32 byte endian swapping.
void(* bswap_64 )(void *ptr, int len)
 Do 64 byte endian swapping.


Detailed Description

Function table.

This structure contains pointers to the available DSP functions.


Field Documentation

int(* gavl_dsp_funcs_t::sad_rgb15)(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)

Get the sum of absolute differences (RGB/BGR15).

Parameters:
src_1 Plane 1
src_2 Plane 2
stride_1 Byte distance between scanlines for src_1
stride_2 Byte distance between scanlines for src_2
w Width
h Height
Returns:
The sum of absolute differences
The RGB values will be scaled to 8 bit before the differences are calculated.

int(* gavl_dsp_funcs_t::sad_rgb16)(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)

Get the sum of absolute differences (RGB/BGR16).

Parameters:
src_1 Plane 1
src_2 Plane 2
stride_1 Byte distance between scanlines for src_1
stride_2 Byte distance between scanlines for src_2
w Width
h Height
Returns:
The sum of absolute differences
The RGB values will be scaled to 8 bit before the differences are calculated.

int(* gavl_dsp_funcs_t::sad_8)(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)

Get the sum of absolute differences (8 bit).

Parameters:
src_1 Plane 1
src_2 Plane 2
stride_1 Byte distance between scanlines for src_1
stride_2 Byte distance between scanlines for src_2
w Width
h Height
Returns:
The sum of absolute differences

int(* gavl_dsp_funcs_t::sad_16)(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)

Get the sum of absolute differences (16 bit).

Parameters:
src_1 Plane 1
src_2 Plane 2
stride_1 Byte distance between scanlines for src_1
stride_2 Byte distance between scanlines for src_2
w Width
h Height
Returns:
The sum of absolute differences

float(* gavl_dsp_funcs_t::sad_f)(uint8_t *src_1, uint8_t *src_2, int stride_1, int stride_2, int w, int h)

Get the sum of absolute differences (float).

Parameters:
src_1 Plane 1
src_2 Plane 2
stride_1 Byte distance between scanlines for src_1
stride_2 Byte distance between scanlines for src_2
w Width
h Height
Returns:
The sum of absolute differences

void(* gavl_dsp_funcs_t::average_rgb15)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)

Average 2 scanlines (RGB/BGR15).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of pixels

void(* gavl_dsp_funcs_t::average_rgb16)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)

Average 2 scanlines (RGB/BGR16).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of pixels

void(* gavl_dsp_funcs_t::average_8)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)

Average 2 scanlines (8 bit).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of bytes

void(* gavl_dsp_funcs_t::average_16)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)

Average 2 scanlines (16 bit).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of shorts

void(* gavl_dsp_funcs_t::average_f)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num)

Average 2 scanlines (float).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of floats

void(* gavl_dsp_funcs_t::interpolate_rgb15)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float)

Interpolate 2 scanlines (RGB/BGR15).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of pixels
fac Factor for src_1 (0.0 .. 1.0)
Sets the destination to src_1 * fac + src_2 * (1.0-fac)

void(* gavl_dsp_funcs_t::interpolate_rgb16)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)

Interpolate 2 scanlines (RGB/BGR16).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of pixels
fac Factor for src_1 (0.0 .. 1.0)
Sets the destination to src_1 * fac + src_2 * (1.0-fac)

void(* gavl_dsp_funcs_t::interpolate_8)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)

Interpolate 2 scanlines (8 bit).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of bytes
fac Factor for src_1 (0.0 .. 1.0)
Sets the destination to src_1 * fac + src_2 * (1.0-fac)

void(* gavl_dsp_funcs_t::interpolate_16)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)

Interpolate 2 scanlines (16 bit).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of shorts
fac Factor for src_1 (0.0 .. 1.0)
Sets the destination to src_1 * fac + src_2 * (1.0-fac)

void(* gavl_dsp_funcs_t::interpolate_f)(uint8_t *src_1, uint8_t *src_2, uint8_t *dst, int num, float fac)

Interpolate 2 scanlines (float).

Parameters:
src_1 Scanline 1
src_2 Scanline 2
dst Destination
num Number of floats
fac Factor for src_1 (0.0 .. 1.0)
Sets the destination to src_1 * fac + src_2 * (1.0-fac)

void(* gavl_dsp_funcs_t::bswap_16)(void *ptr, int len)

Do 16 bit endian swapping.

Parameters:
ptr Pointer to the data
len Len in 16 bit words

void(* gavl_dsp_funcs_t::bswap_32)(void *ptr, int len)

Do 32 byte endian swapping.

Parameters:
ptr Pointer to the data
len Len in 32 bit doublewords

void(* gavl_dsp_funcs_t::bswap_64)(void *ptr, int len)

Do 64 byte endian swapping.

Parameters:
ptr Pointer to the data
len Len in 64 bit quadwords


The documentation for this struct was generated from the following file:

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