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ffmpeg.wasm-core
Commit 99969243 authored by Michael Niedermayer's avatar Michael Niedermayer
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rgb32tobgr32 / bgr32torgb32 

Originally committed as revision 2756 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
parent 3fe8e8f0
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postproc/rgb2rgb.c
View file @ 99969243
......@@ -13,6 +13,9 @@
#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;
......@@ -28,6 +31,20 @@ static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f000000
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,};
#endif
#endif
void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
......@@ -561,6 +578,43 @@ void palette8torgb15(const uint8_t *src, uint8_t *dst, unsigned num_pixels, cons
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)
{
int num_pixels= src_size >> 2;
#ifdef HAVE_MMX
asm volatile (
"xorl %%eax, %%eax \n\t"
"1: \n\t"
PREFETCH" 32(%0, %%eax) \n\t"
"movq (%0, %%eax), %%mm0 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"pslld $16, %%mm0 \n\t"
"psrld $16, %%mm1 \n\t"
"pand mask32r, %%mm0 \n\t"
"pand mask32g, %%mm2 \n\t"
"pand mask32b, %%mm1 \n\t"
"por %%mm0, %%mm2 \n\t"
"por %%mm1, %%mm2 \n\t"
MOVNTQ" %%mm2, (%1, %%eax) \n\t"
"addl $2, %%eax \n\t"
"cmpl %2, %%eax \n\t"
" jb 1b \n\t"
:: "r" (src), "r"(dst), "r" (num_pixels)
: "%eax"
);
#else
int i;
for(i=0; i<num_pixels; i++)
{
dst[4*i + 0] = src[4*i + 2];
dst[4*i + 1] = src[4*i + 1];
dst[4*i + 2] = src[4*i + 0];
}
#endif
}
/**
*
* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
......
postproc/rgb2rgb_template.c
View file @ 99969243
......@@ -13,6 +13,9 @@
#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;
......@@ -28,6 +31,20 @@ static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f000000
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,};
#endif
#endif
void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
......@@ -561,6 +578,43 @@ void palette8torgb15(const uint8_t *src, uint8_t *dst, unsigned num_pixels, cons
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)
{
int num_pixels= src_size >> 2;
#ifdef HAVE_MMX
asm volatile (
"xorl %%eax, %%eax \n\t"
"1: \n\t"
PREFETCH" 32(%0, %%eax) \n\t"
"movq (%0, %%eax), %%mm0 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"pslld $16, %%mm0 \n\t"
"psrld $16, %%mm1 \n\t"
"pand mask32r, %%mm0 \n\t"
"pand mask32g, %%mm2 \n\t"
"pand mask32b, %%mm1 \n\t"
"por %%mm0, %%mm2 \n\t"
"por %%mm1, %%mm2 \n\t"
MOVNTQ" %%mm2, (%1, %%eax) \n\t"
"addl $2, %%eax \n\t"
"cmpl %2, %%eax \n\t"
" jb 1b \n\t"
:: "r" (src), "r"(dst), "r" (num_pixels)
: "%eax"
);
#else
int i;
for(i=0; i<num_pixels; i++)
{
dst[4*i + 0] = src[4*i + 2];
dst[4*i + 1] = src[4*i + 1];
dst[4*i + 2] = src[4*i + 0];
}
#endif
}
/**
*
* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
......
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