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FFmpeg/libavcodec/tpeldsp.c

334 lines
10 KiB
C

/*
* thirdpel DSP functions
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* thirdpel DSP functions
*/
#include <stdint.h>
#include "libavutil/attributes.h"
#include "tpeldsp.h"
#define BIT_DEPTH 8
#include "tpel_template.c"
static inline void put_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
put_pixels2_8_c(dst, src, stride, height);
break;
case 4:
put_pixels4_8_c(dst, src, stride, height);
break;
case 8:
put_pixels8_8_c(dst, src, stride, height);
break;
case 16:
put_pixels16_8_c(dst, src, stride, height);
break;
}
}
static inline void put_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}
static inline void put_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
avg_pixels2_8_c(dst, src, stride, height);
break;
case 4:
avg_pixels4_8_c(dst, src, stride, height);
break;
case 8:
avg_pixels8_8_c(dst, src, stride, height);
break;
case 16:
avg_pixels16_8_c(dst, src, stride, height);
break;
}
}
static inline void avg_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}
static inline void avg_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}
av_cold void ff_tpeldsp_init(TpelDSPContext *c)
{
c->put_tpel_pixels_tab[ 0] = put_tpel_pixels_mc00_c;
c->put_tpel_pixels_tab[ 1] = put_tpel_pixels_mc10_c;
c->put_tpel_pixels_tab[ 2] = put_tpel_pixels_mc20_c;
c->put_tpel_pixels_tab[ 4] = put_tpel_pixels_mc01_c;
c->put_tpel_pixels_tab[ 5] = put_tpel_pixels_mc11_c;
c->put_tpel_pixels_tab[ 6] = put_tpel_pixels_mc21_c;
c->put_tpel_pixels_tab[ 8] = put_tpel_pixels_mc02_c;
c->put_tpel_pixels_tab[ 9] = put_tpel_pixels_mc12_c;
c->put_tpel_pixels_tab[10] = put_tpel_pixels_mc22_c;
c->avg_tpel_pixels_tab[ 0] = avg_tpel_pixels_mc00_c;
c->avg_tpel_pixels_tab[ 1] = avg_tpel_pixels_mc10_c;
c->avg_tpel_pixels_tab[ 2] = avg_tpel_pixels_mc20_c;
c->avg_tpel_pixels_tab[ 4] = avg_tpel_pixels_mc01_c;
c->avg_tpel_pixels_tab[ 5] = avg_tpel_pixels_mc11_c;
c->avg_tpel_pixels_tab[ 6] = avg_tpel_pixels_mc21_c;
c->avg_tpel_pixels_tab[ 8] = avg_tpel_pixels_mc02_c;
c->avg_tpel_pixels_tab[ 9] = avg_tpel_pixels_mc12_c;
c->avg_tpel_pixels_tab[10] = avg_tpel_pixels_mc22_c;
}