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vo_vesa: more rgb2rgb support

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Originally committed as revision 2507 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Nick Kurshev 2001-10-28 10:45:42 +00:00
parent 59ac5a936c
commit b238eb2e77
3 changed files with 108 additions and 1 deletions
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53
postproc/rgb2rgb.c
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@ -1,6 +1,7 @@
#include <inttypes.h>
#include "../config.h"
#include "rgb2rgb.h"
#include "mmx.h"
/* TODO: MMX optimization */
@ -33,3 +34,55 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
s++;
}
}
/* Original by Strepto/Astral
ported to gcc & bugfixed : A'rpi */
void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
#ifdef HAVE_MMX
static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
register char* s=src+src_size;
register char* d=dst+src_size;
register int offs=-src_size;
movq_m2r (mask_b, mm4);
movq_m2r (mask_rg, mm5);
while(offs<0){
movq_m2r (*(s+offs), mm0);
movq_r2r (mm0, mm1);
movq_m2r (*(s+8+offs), mm2);
movq_r2r (mm2, mm3);
pand_r2r (mm4, mm0);
pand_r2r (mm5, mm1);
psllq_i2r(1,mm1);
pand_r2r (mm4, mm2);
pand_r2r (mm5, mm3);
por_r2r (mm1, mm0);
psllq_i2r(1,mm3);
movq_r2m (mm0,*(d+offs));
por_r2r (mm3,mm2);
movq_r2m (mm2,*(d+8+offs));
offs+=16;
}
emms();
#else
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 );
}
#endif
}

3
postproc/rgb2rgb.h
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@ -1,6 +1,6 @@
/*
*
* rgb2rgb.h, Software RGB to RGB converter
* rgb2rgb.h, Software RGB to RGB convertor
*
*/
@ -9,5 +9,6 @@
extern void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size);
#endif

53
postproc/rgb2rgb_template.c
View File

@ -1,6 +1,7 @@
#include <inttypes.h>
#include "../config.h"
#include "rgb2rgb.h"
#include "mmx.h"
/* TODO: MMX optimization */
@ -33,3 +34,55 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
s++;
}
}
/* Original by Strepto/Astral
ported to gcc & bugfixed : A'rpi */
void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
#ifdef HAVE_MMX
static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
register char* s=src+src_size;
register char* d=dst+src_size;
register int offs=-src_size;
movq_m2r (mask_b, mm4);
movq_m2r (mask_rg, mm5);
while(offs<0){
movq_m2r (*(s+offs), mm0);
movq_r2r (mm0, mm1);
movq_m2r (*(s+8+offs), mm2);
movq_r2r (mm2, mm3);
pand_r2r (mm4, mm0);
pand_r2r (mm5, mm1);
psllq_i2r(1,mm1);
pand_r2r (mm4, mm2);
pand_r2r (mm5, mm3);
por_r2r (mm1, mm0);
psllq_i2r(1,mm3);
movq_r2m (mm0,*(d+offs));
por_r2r (mm3,mm2);
movq_r2m (mm2,*(d+8+offs));
offs+=16;
}
emms();
#else
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 );
}
#endif
}