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FFmpeg/libswscale/rgb2rgb_template.c

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/*
* software RGB to RGB converter
* pluralize by software PAL8 to RGB converter
* software YUV to YUV converter
* software YUV to RGB converter
* Written by Nick Kurshev.
* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
* lot of big-endian byte order fixes by Alex Beregszaszi
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stddef.h>
static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size)
{
uint8_t *dest = dst;
const uint8_t *s = src;
const uint8_t *end;
end = s + src_size;
while (s < end) {
#if HAVE_BIGENDIAN
/* RGB24 (= R,G,B) -> RGB32 (= A,B,G,R) */
*dest++ = 255;
*dest++ = s[2];
*dest++ = s[1];
*dest++ = s[0];
s+=3;
#else
*dest++ = *s++;
*dest++ = *s++;
*dest++ = *s++;
*dest++ = 255;
#endif
}
}
static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
uint8_t *dest = dst;
const uint8_t *s = src;
const uint8_t *end;
end = s + src_size;
while (s < end) {
#if HAVE_BIGENDIAN
/* RGB32 (= A,B,G,R) -> RGB24 (= R,G,B) */
s++;
dest[2] = *s++;
dest[1] = *s++;
dest[0] = *s++;
dest += 3;
#else
*dest++ = *s++;
*dest++ = *s++;
*dest++ = *s++;
s++;
#endif
}
}
/*
original by Strepto/Astral
ported to gcc & bugfixed: A'rpi
MMX2, 3DNOW optimization by Nick Kurshev
32-bit C version, and and&add trick by Michael Niedermayer
*/
static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
mm_end = end - 3;
while (s < mm_end) {
register unsigned x= *((const uint32_t *)s);
*((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
d+=4;
s+=4;
}
if (s < end) {
register unsigned short x= *((const uint16_t *)s);
*((uint16_t *)d) = (x&0x7FFF) + (x&0x7FE0);
}
}
static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
mm_end = end - 3;
while (s < mm_end) {
register uint32_t x= *((const uint32_t*)s);
*((uint32_t *)d) = ((x>>1)&0x7FE07FE0) | (x&0x001F001F);
s+=4;
d+=4;
}
if (s < end) {
register uint16_t x= *((const uint16_t*)s);
*((uint16_t *)d) = ((x>>1)&0x7FE0) | (x&0x001F);
}
}
static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8);
}
}
static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
}
}
static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9);
}
}
static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19);
}
}
static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
const int b = *s++;
const int g = *s++;
const int r = *s++;
*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
}
}
static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
const int r = *s++;
const int g = *s++;
const int b = *s++;
*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
}
}
static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
const int b = *s++;
const int g = *s++;
const int r = *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
}
}
static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
while (s < end) {
const int r = *s++;
const int g = *s++;
const int b = *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
}
}
static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t*)src;
end = s + src_size/2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
*d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
}
}
static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = (uint8_t *)dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
*d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
}
}
static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
*d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
#else
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
*d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
*d++ = 255;
#endif
}
}
static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t*)src;
end = s + src_size/2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
*d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
#else
*d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
*d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
*d++ = 255;
#endif
}
}
static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst, int src_size)
{
int idx = 15 - src_size;
const uint8_t *s = src-idx;
uint8_t *d = dst-idx;
for (; idx<15; idx+=4) {
register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
v &= 0xff00ff;
*(uint32_t *)&d[idx] = (v>>16) + g + (v<<16);
}
}
static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
unsigned i;
for (i=0; i<src_size; i+=3) {
register uint8_t x;
x = src[i + 2];
dst[i + 1] = src[i + 1];
dst[i + 2] = src[i + 0];
dst[i + 0] = x;
}
}
static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride, int vertLumPerChroma)
{
int y;
const int chromWidth = width >> 1;
for (y=0; y<height; y++) {
#if HAVE_FAST_64BIT
int i;
uint64_t *ldst = (uint64_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i += 2) {
uint64_t k, l;
k = yc[0] + (uc[0] << 8) +
(yc[1] << 16) + (vc[0] << 24);
l = yc[2] + (uc[1] << 8) +
(yc[3] << 16) + (vc[1] << 24);
*ldst++ = k + (l << 32);
yc += 4;
uc += 2;
vc += 2;
}
#else
int i, *idst = (int32_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i++) {
#if HAVE_BIGENDIAN
*idst++ = (yc[0] << 24)+ (uc[0] << 16) +
(yc[1] << 8) + (vc[0] << 0);
#else
*idst++ = yc[0] + (uc[0] << 8) +
(yc[1] << 16) + (vc[0] << 24);
#endif
yc += 2;
uc++;
vc++;
}
#endif
if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
usrc += chromStride;
vsrc += chromStride;
}
ysrc += lumStride;
dst += dstStride;
}
}
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride)
{
//FIXME interpolate chroma
yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
chromStride, dstStride, 2);
}
static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride, int vertLumPerChroma)
{
int y;
const int chromWidth = width >> 1;
for (y=0; y<height; y++) {
#if HAVE_FAST_64BIT
int i;
uint64_t *ldst = (uint64_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i += 2) {
uint64_t k, l;
k = uc[0] + (yc[0] << 8) +
(vc[0] << 16) + (yc[1] << 24);
l = uc[1] + (yc[2] << 8) +
(vc[1] << 16) + (yc[3] << 24);
*ldst++ = k + (l << 32);
yc += 4;
uc += 2;
vc += 2;
}
#else
int i, *idst = (int32_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i++) {
#if HAVE_BIGENDIAN
*idst++ = (uc[0] << 24)+ (yc[0] << 16) +
(vc[0] << 8) + (yc[1] << 0);
#else
*idst++ = uc[0] + (yc[0] << 8) +
(vc[0] << 16) + (yc[1] << 24);
#endif
yc += 2;
uc++;
vc++;
}
#endif
if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
usrc += chromStride;
vsrc += chromStride;
}
ysrc += lumStride;
dst += dstStride;
}
}
/**
* Height should be a multiple of 2 and width should be a multiple of 16
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride)
{
//FIXME interpolate chroma
yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
chromStride, dstStride, 2);
}
/**
* Width should be a multiple of 16.
*/
static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride)
{
yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
chromStride, dstStride, 1);
}
/**
* Width should be a multiple of 16.
*/
static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride,
int dstStride)
{
yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
chromStride, dstStride, 1);
}
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
uint8_t *udst, uint8_t *vdst,
int width, int height,
int lumStride, int chromStride,
int srcStride)
{
int y;
const int chromWidth = width >> 1;
for (y=0; y<height; y+=2) {
int i;
for (i=0; i<chromWidth; i++) {
ydst[2*i+0] = src[4*i+0];
udst[i] = src[4*i+1];
ydst[2*i+1] = src[4*i+2];
vdst[i] = src[4*i+3];
}
ydst += lumStride;
src += srcStride;
for (i=0; i<chromWidth; i++) {
ydst[2*i+0] = src[4*i+0];
ydst[2*i+1] = src[4*i+2];
}
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
}
static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
int srcHeight, int srcStride, int dstStride)
{
int x,y;
dst[0]= src[0];
// first line
for (x=0; x<srcWidth-1; x++) {
dst[2*x+1]= (3*src[x] + src[x+1])>>2;
dst[2*x+2]= ( src[x] + 3*src[x+1])>>2;
}
dst[2*srcWidth-1]= src[srcWidth-1];
dst+= dstStride;
for (y=1; y<srcHeight; y++) {
const int mmxSize = 1;
dst[0 ]= (3*src[0] + src[srcStride])>>2;
dst[dstStride]= ( src[0] + 3*src[srcStride])>>2;
for (x=mmxSize-1; x<srcWidth-1; x++) {
dst[2*x +1]= (3*src[x+0] + src[x+srcStride+1])>>2;
dst[2*x+dstStride+2]= ( src[x+0] + 3*src[x+srcStride+1])>>2;
dst[2*x+dstStride+1]= ( src[x+1] + 3*src[x+srcStride ])>>2;
dst[2*x +2]= (3*src[x+1] + src[x+srcStride ])>>2;
}
dst[srcWidth*2 -1 ]= (3*src[srcWidth-1] + src[srcWidth-1 + srcStride])>>2;
dst[srcWidth*2 -1 + dstStride]= ( src[srcWidth-1] + 3*src[srcWidth-1 + srcStride])>>2;
dst+=dstStride*2;
src+=srcStride;
}
// last line
dst[0]= src[0];
for (x=0; x<srcWidth-1; x++) {
dst[2*x+1]= (3*src[x] + src[x+1])>>2;
dst[2*x+2]= ( src[x] + 3*src[x+1])>>2;
}
dst[2*srcWidth-1]= src[srcWidth-1];
}
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line, others are ignored.
* FIXME: Write HQ version.
*/
static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
uint8_t *udst, uint8_t *vdst,
int width, int height,
int lumStride, int chromStride,
int srcStride)
{
int y;
const int chromWidth = width >> 1;
for (y=0; y<height; y+=2) {
int i;
for (i=0; i<chromWidth; i++) {
udst[i] = src[4*i+0];
ydst[2*i+0] = src[4*i+1];
vdst[i] = src[4*i+2];
ydst[2*i+1] = src[4*i+3];
}
ydst += lumStride;
src += srcStride;
for (i=0; i<chromWidth; i++) {
ydst[2*i+0] = src[4*i+1];
ydst[2*i+1] = src[4*i+3];
}
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
}
/**
* Height should be a multiple of 2 and width should be a multiple of 2.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line,
* others are ignored in the C version.
* FIXME: Write HQ version.
*/
void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride)
{
int y;
const int chromWidth = width >> 1;
y=0;
for (; y<height; y+=2) {
int i;
for (i=0; i<chromWidth; i++) {
unsigned int b = src[6*i+0];
unsigned int g = src[6*i+1];
unsigned int r = src[6*i+2];
unsigned int Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
unsigned int V = ((RV*r + GV*g + BV*b)>>RGB2YUV_SHIFT) + 128;
unsigned int U = ((RU*r + GU*g + BU*b)>>RGB2YUV_SHIFT) + 128;
udst[i] = U;
vdst[i] = V;
ydst[2*i] = Y;
b = src[6*i+3];
g = src[6*i+4];
r = src[6*i+5];
Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
ydst[2*i+1] = Y;
}
ydst += lumStride;
src += srcStride;
if(y+1 == height)
break;
for (i=0; i<chromWidth; i++) {
unsigned int b = src[6*i+0];
unsigned int g = src[6*i+1];
unsigned int r = src[6*i+2];
unsigned int Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
ydst[2*i] = Y;
b = src[6*i+3];
g = src[6*i+4];
r = src[6*i+5];
Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
ydst[2*i+1] = Y;
}
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
}
static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
uint8_t *dest, int width,
int height, int src1Stride,
int src2Stride, int dstStride)
{
int h;
for (h=0; h < height; h++) {
int w;
for (w=0; w < width; w++) {
dest[2*w+0] = src1[w];
dest[2*w+1] = src2[w];
}
dest += dstStride;
src1 += src1Stride;
src2 += src2Stride;
}
}
static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
uint8_t *dst1, uint8_t *dst2,
int width, int height,
int srcStride1, int srcStride2,
int dstStride1, int dstStride2)
{
int y;
int x,w,h;
w=width/2; h=height/2;
for (y=0;y<h;y++) {
const uint8_t* s1=src1+srcStride1*(y>>1);
uint8_t* d=dst1+dstStride1*y;
x=0;
for (;x<w;x++) d[2*x]=d[2*x+1]=s1[x];
}
for (y=0;y<h;y++) {
const uint8_t* s2=src2+srcStride2*(y>>1);
uint8_t* d=dst2+dstStride2*y;
x=0;
for (;x<w;x++) d[2*x]=d[2*x+1]=s2[x];
}
}
static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
const uint8_t *src3, uint8_t *dst,
int width, int height,
int srcStride1, int srcStride2,
int srcStride3, int dstStride)
{
int x;
int y,w,h;
w=width/2; h=height;
for (y=0;y<h;y++) {
const uint8_t* yp=src1+srcStride1*y;
const uint8_t* up=src2+srcStride2*(y>>2);
const uint8_t* vp=src3+srcStride3*(y>>2);
uint8_t* d=dst+dstStride*y;
x=0;
for (; x<w; x++) {
const int x2 = x<<2;
d[8*x+0] = yp[x2];
d[8*x+1] = up[x];
d[8*x+2] = yp[x2+1];
d[8*x+3] = vp[x];
d[8*x+4] = yp[x2+2];
d[8*x+5] = up[x];
d[8*x+6] = yp[x2+3];
d[8*x+7] = vp[x];
}
}
}
static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
{
dst += count;
src += 2*count;
count= - count;
while(count<0) {
dst[count]= src[2*count];
count++;
}
}
static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
int count)
{
dst0+= count;
dst1+= count;
src += 4*count;
count= - count;
while(count<0) {
dst0[count]= src[4*count+0];
dst1[count]= src[4*count+2];
count++;
}
}
static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
uint8_t *dst0, uint8_t *dst1, int count)
{
dst0 += count;
dst1 += count;
src0 += 4*count;
src1 += 4*count;
count= - count;
while(count<0) {
dst0[count]= (src0[4*count+0]+src1[4*count+0])>>1;
dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1;
count++;
}
}
static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
int count)
{
dst0+= count;
dst1+= count;
src += 4*count;
count= - count;
src++;
while(count<0) {
dst0[count]= src[4*count+0];
dst1[count]= src[4*count+2];
count++;
}
}
static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
uint8_t *dst0, uint8_t *dst1, int count)
{
dst0 += count;
dst1 += count;
src0 += 4*count;
src1 += 4*count;
count= - count;
src0++;
src1++;
while(count<0) {
dst0[count]= (src0[4*count+0]+src1[4*count+0])>>1;
dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1;
count++;
}
}
static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride)
{
int y;
const int chromWidth= -((-width)>>1);
for (y=0; y<height; y++) {
extract_even_c(src, ydst, width);
if(y&1) {
extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
udst+= chromStride;
vdst+= chromStride;
}
src += srcStride;
ydst+= lumStride;
}
}
static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride)
{
int y;
const int chromWidth= -((-width)>>1);
for (y=0; y<height; y++) {
extract_even_c(src, ydst, width);
extract_odd2_c(src, udst, vdst, chromWidth);
src += srcStride;
ydst+= lumStride;
udst+= chromStride;
vdst+= chromStride;
}
}
static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride)
{
int y;
const int chromWidth= -((-width)>>1);
for (y=0; y<height; y++) {
extract_even_c(src + 1, ydst, width);
if(y&1) {
extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
udst+= chromStride;
vdst+= chromStride;
}
src += srcStride;
ydst+= lumStride;
}
}
static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride)
{
int y;
const int chromWidth= -((-width)>>1);
for (y=0; y<height; y++) {
extract_even_c(src + 1, ydst, width);
extract_even2_c(src, udst, vdst, chromWidth);
src += srcStride;
ydst+= lumStride;
udst+= chromStride;
vdst+= chromStride;
}
}
static inline void rgb2rgb_init_c(void)
{
rgb15to16 = rgb15to16_c;
rgb15tobgr24 = rgb15tobgr24_c;
rgb15to32 = rgb15to32_c;
rgb16tobgr24 = rgb16tobgr24_c;
rgb16to32 = rgb16to32_c;
rgb16to15 = rgb16to15_c;
rgb24tobgr16 = rgb24tobgr16_c;
rgb24tobgr15 = rgb24tobgr15_c;
rgb24tobgr32 = rgb24tobgr32_c;
rgb32to16 = rgb32to16_c;
rgb32to15 = rgb32to15_c;
rgb32tobgr24 = rgb32tobgr24_c;
rgb24to15 = rgb24to15_c;
rgb24to16 = rgb24to16_c;
rgb24tobgr24 = rgb24tobgr24_c;
shuffle_bytes_2103 = shuffle_bytes_2103_c;
rgb32tobgr16 = rgb32tobgr16_c;
rgb32tobgr15 = rgb32tobgr15_c;
yv12toyuy2 = yv12toyuy2_c;
yv12touyvy = yv12touyvy_c;
yuv422ptoyuy2 = yuv422ptoyuy2_c;
yuv422ptouyvy = yuv422ptouyvy_c;
yuy2toyv12 = yuy2toyv12_c;
planar2x = planar2x_c;
rgb24toyv12 = rgb24toyv12_c;
interleaveBytes = interleaveBytes_c;
vu9_to_vu12 = vu9_to_vu12_c;
yvu9_to_yuy2 = yvu9_to_yuy2_c;
uyvytoyuv420 = uyvytoyuv420_c;
uyvytoyuv422 = uyvytoyuv422_c;
yuyvtoyuv420 = yuyvtoyuv420_c;
yuyvtoyuv422 = yuyvtoyuv422_c;
}