Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

runtime cpu detection

Browse Source 
rgb24toyv12 in C

Originally committed as revision 3133 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Michael Niedermayer 23 years ago
parent 7630f2e060
commit 1de97d8422
2 changed files with 320 additions and 857 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 959
      postproc/rgb2rgb.c
  2. 212
      postproc/rgb2rgb_template.c

959
postproc/rgb2rgb.c
View File

File diff suppressed because it is too large Load Diff

212
postproc/rgb2rgb_template.c
Unescape View File

@ -5,49 +5,52 @@
* Software YUV to YUV convertor
* Software YUV to RGB convertor
* Written by Nick Kurshev.
* palette stuff & yuv stuff by Michael
* palette & yuv & runtime cpu stuff by Michael (michaelni@gmx.at) (under GPL)
*/
#include <inttypes.h>
#include "../config.h"
#include "rgb2rgb.h"
#include "../mmx_defs.h"
#ifdef HAVE_MMX
static const uint64_t mask32b __attribute__((aligned(8))) = 0x000000FF000000FFULL;
static const uint64_t mask32g __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
static const uint64_t mask32r __attribute__((aligned(8))) = 0x00FF000000FF0000ULL;
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 mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL;
static const uint64_t mask24hhh __attribute__((aligned(8))) = 0xffffffff00000000ULL;
static const uint64_t mask24hhhh __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
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;
static const uint64_t red_16mask __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
static const uint64_t green_16mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
static const uint64_t red_15mask __attribute__((aligned(8))) = 0x00007c000000f800ULL;
static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL;
static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
#if 0
static volatile uint64_t __attribute__((aligned(8))) b5Dither;
static volatile uint64_t __attribute__((aligned(8))) g5Dither;
static volatile uint64_t __attribute__((aligned(8))) g6Dither;
static volatile uint64_t __attribute__((aligned(8))) r5Dither;
static uint64_t __attribute__((aligned(8))) dither4[2]={
0x0103010301030103LL,
0x0200020002000200LL,};
static uint64_t __attribute__((aligned(8))) dither8[2]={
0x0602060206020602LL,
0x0004000400040004LL,};
#undef PREFETCH
#undef MOVNTQ
#undef EMMS
#undef SFENCE
#undef MMREG_SIZE
#undef PREFETCHW
#undef PAVGB
#ifdef HAVE_SSE2
#define MMREG_SIZE 16
#else
#define MMREG_SIZE 8
#endif
#ifdef HAVE_3DNOW
#define PREFETCH "prefetch"
#define PREFETCHW "prefetchw"
#define PAVGB "pavgusb"
#elif defined ( HAVE_MMX2 )
#define PREFETCH "prefetchnta"
#define PREFETCHW "prefetcht0"
#define PAVGB "pavgb"
#else
#define PREFETCH "/nop"
#define PREFETCHW "/nop"
#endif
#ifdef HAVE_3DNOW
/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
#define EMMS "femms"
#else
#define EMMS "emms"
#endif
void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
#ifdef HAVE_MMX2
#define MOVNTQ "movntq"
#define SFENCE "sfence"
#else
#define MOVNTQ "movq"
#define SFENCE "/nop"
#endif
static inline void RENAME(rgb24to32)(const uint8_t *src,uint8_t *dst,unsigned src_size)
{
uint8_t *dest = dst;
const uint8_t *s = src;
@ -99,7 +102,7 @@ void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
}
}
void rgb32to24(const uint8_t *src,uint8_t *dst,unsigned src_size)
static inline void RENAME(rgb32to24)(const uint8_t *src,uint8_t *dst,unsigned src_size)
{
uint8_t *dest = dst;
const uint8_t *s = src;
@ -182,7 +185,7 @@ void rgb32to24(const uint8_t *src,uint8_t *dst,unsigned src_size)
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)
static inline void RENAME(rgb15to16)(const uint8_t *src,uint8_t *dst,unsigned src_size)
{
#ifdef HAVE_MMX
register const char* s=src+src_size;
@ -242,38 +245,7 @@ void rgb15to16(const uint8_t *src,uint8_t *dst,unsigned src_size)
#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)
static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
#ifdef HAVE_MMX
const uint8_t *s = src;
@ -344,7 +316,7 @@ void rgb32to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
#endif
}
void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
#ifdef HAVE_MMX
const uint8_t *s = src;
@ -415,7 +387,7 @@ void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
#endif
}
void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
#ifdef HAVE_MMX
const uint8_t *s = src;
@ -487,7 +459,7 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
#endif
}
void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
static inline void RENAME(rgb24to15)(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
#ifdef HAVE_MMX
const uint8_t *s = src;
@ -559,27 +531,7 @@ void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
#endif
}
/**
* 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] ];
}
void rgb32tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
static inline void RENAME(rgb32tobgr32)(const uint8_t *src, uint8_t *dst, unsigned int src_size)
{
int num_pixels= src_size >> 2;
#ifdef HAVE_MMX
@ -624,7 +576,7 @@ void rgb32tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
* 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 ill fix it)
*/
void yv12toyuy2(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
static inline void RENAME(yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
unsigned int width, unsigned int height,
unsigned int lumStride, unsigned int chromStride, unsigned int dstStride)
{
@ -697,7 +649,7 @@ asm( EMMS" \n\t"
* 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 ill fix it)
*/
void yuy2toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
static inline void RENAME(yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
unsigned int width, unsigned int height,
unsigned int lumStride, unsigned int chromStride, unsigned int srcStride)
{
@ -821,8 +773,9 @@ asm volatile( EMMS" \n\t"
*
* 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 ill fix it)
* chrominance data is only taken from every secound line others are ignored FIXME write HQ version
*/
void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
static inline void RENAME(uyvytoyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
unsigned int width, unsigned int height,
unsigned int lumStride, unsigned int chromStride, unsigned int srcStride)
{
@ -942,4 +895,65 @@ asm volatile( EMMS" \n\t"
#endif
}
/**
*
* 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 ill fix it)
* chrominance data is only taken from every secound line others are ignored FIXME write HQ version
*/
static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
unsigned int width, unsigned int height,
unsigned int lumStride, unsigned int chromStride, unsigned int srcStride)
{
int y;
const int chromWidth= width>>1;
for(y=0; 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 + 16;
unsigned int V = RV*r + GV*g + BV*b + 128;
unsigned int U = RU*r + GU*g + BU*b + 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 + 16;
ydst[2*i+1] = Y;
}
ydst += lumStride;
src += srcStride;
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 + 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 + 16;
ydst[2*i+1] = Y;
}
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
}

Write Preview
Loading…
Cancel
Save