RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-18 13:35:13 +00:00
Code Issues Projects Releases Wiki Activity

yv12toyuy2 in MMX

Browse Source 
cleanup

Originally committed as revision 2703 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-11-05 01:21:05 +00:00
parent d9d58d172e
commit 4060205ba7
3 changed files with 132 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
postproc/rgb2rgb.c
View File

@ -2,6 +2,7 @@
*
* rgb2rgb.c, Software RGB to RGB convertor
* Written by Nick Kurshev.
* palette stuff & yuv stuff by Michael
*/
#include <inttypes.h>
#include "../config.h"
@ -185,25 +186,25 @@ void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb32(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint32_t *)dst)[i] = ((uint32_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb24(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
/*
writes 1 byte o much and might cause alignment issues on some architectures?
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint32_t *)(&dst[i*3])) = ((uint32_t *)palette)[ src[i] ];
*/
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
{
//FIXME slow?
dst[0]= palette[ src[i]*4+0 ];
@ -213,10 +214,10 @@ void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
}
}
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
void rgb32to16(uint8_t *src, uint8_t *dst, int num_pixels)
{
int i;
for(i=0; i<src_size; i+=4)
for(i=0; i<num_pixels; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
@ -226,10 +227,10 @@ void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
}
}
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
void rgb32to15(uint8_t *src, uint8_t *dst, int num_pixels)
{
int i;
for(i=0; i<src_size; i+=4)
for(i=0; i<num_pixels; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
@ -243,42 +244,82 @@ void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
/**
* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
*/
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb16(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
*/
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb15(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size)
/**
*
* num_pixels must be a multiple of 16 for the MMX version
*/
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int num_pixels)
{
#ifdef HAVE_MMX
asm volatile(
"xorl %%eax, %%eax \n\t"
"1: \n\t"
PREFETCH" 32(%1, %%eax, 2) \n\t"
PREFETCH" 32(%2, %%eax) \n\t"
PREFETCH" 32(%3, %%eax) \n\t"
"movq (%2, %%eax), %%mm0 \n\t" // U(0)
"movq %%mm0, %%mm2 \n\t" // U(0)
"movq (%3, %%eax), %%mm1 \n\t" // V(0)
"punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
"punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8)
"movq (%1, %%eax,2), %%mm3 \n\t" // Y(0)
"movq 8(%1, %%eax,2), %%mm5 \n\t" // Y(8)
"movq %%mm3, %%mm4 \n\t" // Y(0)
"movq %%mm5, %%mm6 \n\t" // Y(8)
"punpcklbw %%mm0, %%mm3 \n\t" // YUYV YUYV(0)
"punpckhbw %%mm0, %%mm4 \n\t" // YUYV YUYV(4)
"punpcklbw %%mm2, %%mm5 \n\t" // YUYV YUYV(8)
"punpckhbw %%mm2, %%mm6 \n\t" // YUYV YUYV(12)
MOVNTQ" %%mm3, (%0, %%eax, 4) \n\t"
MOVNTQ" %%mm4, 8(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm5, 16(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm6, 24(%0, %%eax, 4) \n\t"
"addl $8, %%eax \n\t"
"cmpl %4, %%eax \n\t"
" jb 1b \n\t"
EMMS" \n\t"
SFENCE
::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "r" (num_pixels>>1)
: "memory", "%eax"
);
#else
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
num_pixels>>=1;
for(i=0; i<num_pixels; i++)
{
dst[4*i+0] = ysrc[2*i+0];
dst[4*i+1] = usrc[i];
dst[4*i+2] = ysrc[2*i+1];
dst[4*i+3] = vsrc[i];
}
#endif
}
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size)
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int num_pixels)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
num_pixels>>=1;
for(i=0; i<num_pixels; i++)
{
ydst[2*i+0] = src[4*i+0];
udst[i] = src[4*i+1];

16
postproc/rgb2rgb.h
View File

@ -11,15 +11,15 @@ extern void rgb24to32(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size);
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size);
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size);
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void rgb32to16(uint8_t *src, uint8_t *dst, int num_pixels);
void rgb32to15(uint8_t *src, uint8_t *dst, int num_pixels);
void palette8torgb32(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette);
void palette8torgb16(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette);
void palette8torgb15(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette);
void palette8torgb24(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette);
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size);
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size);
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int num_pixels);
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int num_pixels);
#endif

83
postproc/rgb2rgb_template.c
View File

@ -2,6 +2,7 @@
*
* rgb2rgb.c, Software RGB to RGB convertor
* Written by Nick Kurshev.
* palette stuff & yuv stuff by Michael
*/
#include <inttypes.h>
#include "../config.h"
@ -185,25 +186,25 @@ void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb32(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint32_t *)dst)[i] = ((uint32_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb24(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
/*
writes 1 byte o much and might cause alignment issues on some architectures?
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint32_t *)(&dst[i*3])) = ((uint32_t *)palette)[ src[i] ];
*/
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
{
//FIXME slow?
dst[0]= palette[ src[i]*4+0 ];
@ -213,10 +214,10 @@ void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
}
}
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
void rgb32to16(uint8_t *src, uint8_t *dst, int num_pixels)
{
int i;
for(i=0; i<src_size; i+=4)
for(i=0; i<num_pixels; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
@ -226,10 +227,10 @@ void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
}
}
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
void rgb32to15(uint8_t *src, uint8_t *dst, int num_pixels)
{
int i;
for(i=0; i<src_size; i+=4)
for(i=0; i<num_pixels; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
@ -243,42 +244,82 @@ void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
/**
* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
*/
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb16(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
*/
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb15(uint8_t *src, uint8_t *dst, int num_pixels, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
for(i=0; i<num_pixels; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size)
/**
*
* num_pixels must be a multiple of 16 for the MMX version
*/
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int num_pixels)
{
#ifdef HAVE_MMX
asm volatile(
"xorl %%eax, %%eax \n\t"
"1: \n\t"
PREFETCH" 32(%1, %%eax, 2) \n\t"
PREFETCH" 32(%2, %%eax) \n\t"
PREFETCH" 32(%3, %%eax) \n\t"
"movq (%2, %%eax), %%mm0 \n\t" // U(0)
"movq %%mm0, %%mm2 \n\t" // U(0)
"movq (%3, %%eax), %%mm1 \n\t" // V(0)
"punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
"punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8)
"movq (%1, %%eax,2), %%mm3 \n\t" // Y(0)
"movq 8(%1, %%eax,2), %%mm5 \n\t" // Y(8)
"movq %%mm3, %%mm4 \n\t" // Y(0)
"movq %%mm5, %%mm6 \n\t" // Y(8)
"punpcklbw %%mm0, %%mm3 \n\t" // YUYV YUYV(0)
"punpckhbw %%mm0, %%mm4 \n\t" // YUYV YUYV(4)
"punpcklbw %%mm2, %%mm5 \n\t" // YUYV YUYV(8)
"punpckhbw %%mm2, %%mm6 \n\t" // YUYV YUYV(12)
MOVNTQ" %%mm3, (%0, %%eax, 4) \n\t"
MOVNTQ" %%mm4, 8(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm5, 16(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm6, 24(%0, %%eax, 4) \n\t"
"addl $8, %%eax \n\t"
"cmpl %4, %%eax \n\t"
" jb 1b \n\t"
EMMS" \n\t"
SFENCE
::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "r" (num_pixels>>1)
: "memory", "%eax"
);
#else
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
num_pixels>>=1;
for(i=0; i<num_pixels; i++)
{
dst[4*i+0] = ysrc[2*i+0];
dst[4*i+1] = usrc[i];
dst[4*i+2] = ysrc[2*i+1];
dst[4*i+3] = vsrc[i];
}
#endif
}
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size)
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int num_pixels)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
num_pixels>>=1;
for(i=0; i<num_pixels; i++)
{
ydst[2*i+0] = src[4*i+0];
udst[i] = src[4*i+1];