mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
5a35cef4b1
* qatar/master: ARM: enable UAL syntax in asm.S v4l2: don't leak video standard string on error. swscale: Remove disabled code. avfilter: Surround function only used in debug mode by appropriate #ifdef. vf_crop: Replace #ifdef DEBUG + av_log() by av_dlog(). build: remove BUILD_ROOT variable vp8: use av_clip_uintp2() where possible Merged-by: Michael Niedermayer <michaelni@gmx.at>
943 lines
27 KiB
C
943 lines
27 KiB
C
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
I use less accurate approximation here by simply left-shifting the input
|
|
value and filling the low order bits with zeroes. This method improves PNG
|
|
compression but this scheme cannot reproduce white exactly, since it does
|
|
not generate an all-ones maximum value; the net effect is to darken the
|
|
image slightly.
|
|
|
|
The better method should be "left bit replication":
|
|
|
|
4 3 2 1 0
|
|
---------
|
|
1 1 0 1 1
|
|
|
|
7 6 5 4 3 2 1 0
|
|
----------------
|
|
1 1 0 1 1 1 1 0
|
|
|=======| |===|
|
|
| leftmost bits repeated to fill open bits
|
|
|
|
|
original bits
|
|
*/
|
|
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;
|
|
*d++ = (bgr&0x3E0)>>2;
|
|
*d++ = (bgr&0x7C00)>>7;
|
|
}
|
|
}
|
|
|
|
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;
|
|
*d++ = (bgr&0x7E0)>>3;
|
|
*d++ = (bgr&0xF800)>>8;
|
|
}
|
|
}
|
|
|
|
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;
|
|
*d++ = (bgr&0x3E0)>>2;
|
|
*d++ = (bgr&0x1F)<<3;
|
|
#else
|
|
*d++ = (bgr&0x1F)<<3;
|
|
*d++ = (bgr&0x3E0)>>2;
|
|
*d++ = (bgr&0x7C00)>>7;
|
|
*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;
|
|
*d++ = (bgr&0x7E0)>>3;
|
|
*d++ = (bgr&0x1F)<<3;
|
|
#else
|
|
*d++ = (bgr&0x1F)<<3;
|
|
*d++ = (bgr&0x7E0)>>3;
|
|
*d++ = (bgr&0xF800)>>8;
|
|
*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;
|
|
}
|