mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
413 lines
10 KiB
C
413 lines
10 KiB
C
/*
|
|
*
|
|
* rgb2rgb.c, Software RGB to RGB convertor
|
|
* Written by Nick Kurshev.
|
|
* palette stuff & yuv stuff by Michael
|
|
*/
|
|
#include <inttypes.h>
|
|
#include "../config.h"
|
|
#include "rgb2rgb.h"
|
|
#include "../mmx_defs.h"
|
|
|
|
#ifdef HAVE_MMX
|
|
static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
|
|
static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
|
|
static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
|
|
static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
|
|
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
|
|
static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
|
|
#endif
|
|
|
|
void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
|
|
{
|
|
uint8_t *dest = dst;
|
|
const uint8_t *s = src;
|
|
const uint8_t *end;
|
|
#ifdef HAVE_MMX
|
|
uint8_t *mm_end;
|
|
#endif
|
|
end = s + src_size;
|
|
#ifdef HAVE_MMX
|
|
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
|
|
mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
|
|
__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
|
|
if(mm_end == end) mm_end -= MMREG_SIZE*2;
|
|
while(s < mm_end)
|
|
{
|
|
__asm __volatile(
|
|
PREFETCH" 32%1\n\t"
|
|
"movd %1, %%mm0\n\t"
|
|
"movd 3%1, %%mm1\n\t"
|
|
"movd 6%1, %%mm2\n\t"
|
|
"movd 9%1, %%mm3\n\t"
|
|
"punpckldq %%mm1, %%mm0\n\t"
|
|
"punpckldq %%mm3, %%mm2\n\t"
|
|
"pand %%mm7, %%mm0\n\t"
|
|
"pand %%mm7, %%mm2\n\t"
|
|
MOVNTQ" %%mm0, %0\n\t"
|
|
MOVNTQ" %%mm2, 8%0"
|
|
:"=m"(*dest)
|
|
:"m"(*s)
|
|
:"memory");
|
|
dest += 16;
|
|
s += 12;
|
|
}
|
|
__asm __volatile(SFENCE:::"memory");
|
|
__asm __volatile(EMMS:::"memory");
|
|
#endif
|
|
while(s < end)
|
|
{
|
|
*dest++ = *s++;
|
|
*dest++ = *s++;
|
|
*dest++ = *s++;
|
|
*dest++ = 0;
|
|
}
|
|
}
|
|
|
|
void rgb32to24(const uint8_t *src,uint8_t *dst,unsigned src_size)
|
|
{
|
|
uint8_t *dest = dst;
|
|
const uint8_t *s = src;
|
|
const uint8_t *end;
|
|
#ifdef HAVE_MMX
|
|
uint8_t *mm_end;
|
|
#endif
|
|
end = s + src_size;
|
|
#ifdef HAVE_MMX
|
|
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
|
|
mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
|
|
__asm __volatile(
|
|
"movq %0, %%mm7\n\t"
|
|
"movq %1, %%mm6"
|
|
::"m"(mask24l),"m"(mask24h):"memory");
|
|
if(mm_end == end) mm_end -= MMREG_SIZE*2;
|
|
while(s < mm_end)
|
|
{
|
|
__asm __volatile(
|
|
PREFETCH" 32%1\n\t"
|
|
"movq %1, %%mm0\n\t"
|
|
"movq 8%1, %%mm1\n\t"
|
|
"movq %%mm0, %%mm2\n\t"
|
|
"movq %%mm1, %%mm3\n\t"
|
|
"psrlq $8, %%mm2\n\t"
|
|
"psrlq $8, %%mm3\n\t"
|
|
"pand %%mm7, %%mm0\n\t"
|
|
"pand %%mm7, %%mm1\n\t"
|
|
"pand %%mm6, %%mm2\n\t"
|
|
"pand %%mm6, %%mm3\n\t"
|
|
"por %%mm2, %%mm0\n\t"
|
|
"por %%mm3, %%mm1\n\t"
|
|
MOVNTQ" %%mm0, %0\n\t"
|
|
MOVNTQ" %%mm1, 6%0"
|
|
:"=m"(*dest)
|
|
:"m"(*s)
|
|
:"memory");
|
|
dest += 12;
|
|
s += 16;
|
|
}
|
|
__asm __volatile(SFENCE:::"memory");
|
|
__asm __volatile(EMMS:::"memory");
|
|
#endif
|
|
while(s < end)
|
|
{
|
|
*dest++ = *s++;
|
|
*dest++ = *s++;
|
|
*dest++ = *s++;
|
|
s++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
Original by Strepto/Astral
|
|
ported to gcc & bugfixed : A'rpi
|
|
MMX2, 3DNOW optimization by Nick Kurshev
|
|
32bit c version, and and&add trick by Michael Niedermayer
|
|
*/
|
|
void rgb15to16(const uint8_t *src,uint8_t *dst,unsigned src_size)
|
|
{
|
|
#ifdef HAVE_MMX
|
|
register const char* s=src+src_size;
|
|
register char* d=dst+src_size;
|
|
register int offs=-src_size;
|
|
__asm __volatile(PREFETCH" %0"::"m"(*(s+offs)));
|
|
__asm __volatile(
|
|
"movq %0, %%mm4\n\t"
|
|
::"m"(mask15s));
|
|
while(offs<0)
|
|
{
|
|
__asm __volatile(
|
|
PREFETCH" 32%1\n\t"
|
|
"movq %1, %%mm0\n\t"
|
|
"movq 8%1, %%mm2\n\t"
|
|
"movq %%mm0, %%mm1\n\t"
|
|
"movq %%mm2, %%mm3\n\t"
|
|
"pand %%mm4, %%mm0\n\t"
|
|
"pand %%mm4, %%mm2\n\t"
|
|
"paddw %%mm1, %%mm0\n\t"
|
|
"paddw %%mm3, %%mm2\n\t"
|
|
MOVNTQ" %%mm0, %0\n\t"
|
|
MOVNTQ" %%mm2, 8%0"
|
|
:"=m"(*(d+offs))
|
|
:"m"(*(s+offs))
|
|
);
|
|
offs+=16;
|
|
}
|
|
__asm __volatile(SFENCE:::"memory");
|
|
__asm __volatile(EMMS:::"memory");
|
|
#else
|
|
#if 0
|
|
const uint16_t *s1=( uint16_t * )src;
|
|
uint16_t *d1=( uint16_t * )dst;
|
|
uint16_t *e=((uint8_t *)s1)+src_size;
|
|
while( s1<e ){
|
|
register int x=*( s1++ );
|
|
/* rrrrrggggggbbbbb
|
|
0rrrrrgggggbbbbb
|
|
0111 1111 1110 0000=0x7FE0
|
|
00000000000001 1111=0x001F */
|
|
*( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );
|
|
}
|
|
#else
|
|
const unsigned *s1=( unsigned * )src;
|
|
unsigned *d1=( unsigned * )dst;
|
|
int i;
|
|
int size= src_size>>2;
|
|
for(i=0; i<size; i++)
|
|
{
|
|
register int x= s1[i];
|
|
// d1[i] = x + (x&0x7FE07FE0); //faster but need msbit =0 which might not allways be true
|
|
d1[i] = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
|
|
|
|
}
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Pallete is assumed to contain bgr32
|
|
*/
|
|
void palette8torgb32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
|
|
{
|
|
unsigned i;
|
|
for(i=0; i<num_pixels; i++)
|
|
((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ];
|
|
}
|
|
|
|
/**
|
|
* Pallete is assumed to contain bgr32
|
|
*/
|
|
void palette8torgb24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
|
|
{
|
|
unsigned i;
|
|
/*
|
|
writes 1 byte o much and might cause alignment issues on some architectures?
|
|
for(i=0; i<num_pixels; i++)
|
|
((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
|
|
*/
|
|
for(i=0; i<num_pixels; i++)
|
|
{
|
|
//FIXME slow?
|
|
dst[0]= palette[ src[i]*4+0 ];
|
|
dst[1]= palette[ src[i]*4+1 ];
|
|
dst[2]= palette[ src[i]*4+2 ];
|
|
dst+= 3;
|
|
}
|
|
}
|
|
|
|
void rgb32to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
|
|
{
|
|
unsigned j,i,num_pixels=src_size/4;
|
|
uint16_t *d = (uint16_t *)dst;
|
|
for(i=0,j=0; j<num_pixels; i+=4,j++)
|
|
{
|
|
const int b= src[i+0];
|
|
const int g= src[i+1];
|
|
const int r= src[i+2];
|
|
|
|
d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
|
|
}
|
|
}
|
|
|
|
void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
|
|
{
|
|
unsigned j,i,num_pixels=src_size/4;
|
|
uint16_t *d = (uint16_t *)dst;
|
|
for(i=0,j=0; j<num_pixels; i+=4,j++)
|
|
{
|
|
const int b= src[i+0];
|
|
const int g= src[i+1];
|
|
const int r= src[i+2];
|
|
|
|
d[j]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7);
|
|
}
|
|
}
|
|
|
|
void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
|
|
{
|
|
unsigned j,i,num_pixels=src_size/3;
|
|
uint16_t *d = (uint16_t *)dst;
|
|
for(i=0,j=0; j<num_pixels; i+=3,j++)
|
|
{
|
|
const int b= src[i+0];
|
|
const int g= src[i+1];
|
|
const int r= src[i+2];
|
|
|
|
d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
|
|
}
|
|
}
|
|
|
|
void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
|
|
{
|
|
unsigned j,i,num_pixels=src_size/3;
|
|
uint16_t *d = (uint16_t *)dst;
|
|
for(i=0,j=0; j<num_pixels; i+=3,j++)
|
|
{
|
|
const int b= src[i+0];
|
|
const int g= src[i+1];
|
|
const int r= src[i+2];
|
|
|
|
d[j]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
|
|
*/
|
|
void palette8torgb16(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
|
|
{
|
|
unsigned 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(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
|
|
{
|
|
unsigned i;
|
|
for(i=0; i<num_pixels; i++)
|
|
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
|
|
}
|
|
/**
|
|
*
|
|
* num_pixels must be a multiple of 16 for the MMX version
|
|
*/
|
|
void yv12toyuy2(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, unsigned 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;
|
|
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(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, unsigned num_pixels)
|
|
{
|
|
#ifdef HAVE_MMX
|
|
asm volatile(
|
|
"xorl %%eax, %%eax \n\t"
|
|
"pcmpeqw %%mm7, %%mm7 \n\t"
|
|
"psrlw $8, %%mm7 \n\t" // FF,00,FF,00...
|
|
"1: \n\t"
|
|
PREFETCH" 64(%0, %%eax, 4) \n\t"
|
|
"movq (%0, %%eax, 4), %%mm0 \n\t" // YUYV YUYV(0)
|
|
"movq 8(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(4)
|
|
"movq %%mm0, %%mm2 \n\t" // YUYV YUYV(0)
|
|
"movq %%mm1, %%mm3 \n\t" // YUYV YUYV(4)
|
|
"psrlw $8, %%mm0 \n\t" // U0V0 U0V0(0)
|
|
"psrlw $8, %%mm1 \n\t" // U0V0 U0V0(4)
|
|
"pand %%mm7, %%mm2 \n\t" // Y0Y0 Y0Y0(0)
|
|
"pand %%mm7, %%mm3 \n\t" // Y0Y0 Y0Y0(4)
|
|
"packuswb %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
|
|
"packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(0)
|
|
|
|
MOVNTQ" %%mm2, (%1, %%eax, 2) \n\t"
|
|
|
|
"movq 16(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(8)
|
|
"movq 24(%0, %%eax, 4), %%mm2 \n\t" // YUYV YUYV(12)
|
|
"movq %%mm1, %%mm3 \n\t" // YUYV YUYV(8)
|
|
"movq %%mm2, %%mm4 \n\t" // YUYV YUYV(12)
|
|
"psrlw $8, %%mm1 \n\t" // U0V0 U0V0(8)
|
|
"psrlw $8, %%mm2 \n\t" // U0V0 U0V0(12)
|
|
"pand %%mm7, %%mm3 \n\t" // Y0Y0 Y0Y0(8)
|
|
"pand %%mm7, %%mm4 \n\t" // Y0Y0 Y0Y0(12)
|
|
"packuswb %%mm2, %%mm1 \n\t" // UVUV UVUV(8)
|
|
"packuswb %%mm4, %%mm3 \n\t" // YYYY YYYY(8)
|
|
|
|
MOVNTQ" %%mm3, 8(%1, %%eax, 2) \n\t"
|
|
|
|
"movq %%mm0, %%mm2 \n\t" // UVUV UVUV(0)
|
|
"movq %%mm1, %%mm3 \n\t" // UVUV UVUV(8)
|
|
"psrlw $8, %%mm0 \n\t" // V0V0 V0V0(0)
|
|
"psrlw $8, %%mm1 \n\t" // V0V0 V0V0(8)
|
|
"pand %%mm7, %%mm2 \n\t" // U0U0 U0U0(0)
|
|
"pand %%mm7, %%mm3 \n\t" // U0U0 U0U0(8)
|
|
"packuswb %%mm1, %%mm0 \n\t" // VVVV VVVV(0)
|
|
"packuswb %%mm3, %%mm2 \n\t" // UUUU UUUU(0)
|
|
|
|
MOVNTQ" %%mm0, (%3, %%eax) \n\t"
|
|
MOVNTQ" %%mm2, (%2, %%eax) \n\t"
|
|
|
|
"addl $8, %%eax \n\t"
|
|
"cmpl %4, %%eax \n\t"
|
|
" jb 1b \n\t"
|
|
EMMS" \n\t"
|
|
SFENCE
|
|
::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (num_pixels>>1)
|
|
: "memory", "%eax"
|
|
);
|
|
#else
|
|
int 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];
|
|
ydst[2*i+1] = src[4*i+2];
|
|
vdst[i] = src[4*i+3];
|
|
}
|
|
#endif
|
|
} |