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

sws: port to thw new 1 plane API and add back yuv2yuv1_ar().

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/2/head
Michael Niedermayer 13 years ago
parent f15359727d
commit 4d31f42020
1 changed files with 24 additions and 49 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. 45
      libswscale/x86/swscale_template.c

45
libswscale/x86/swscale_template.c
Unescape View File

@ -40,7 +40,7 @@
#if !COMPILE_TEMPLATE_MMX2
static av_always_inline void
dither_8to16(SwsContext *c, const uint8_t *srcDither, int rot)
dither_8to16(const uint8_t *srcDither, int rot)
{
if (rot) {
__asm__ volatile("pxor %%mm0, %%mm0\n\t"
@ -52,11 +52,7 @@ dither_8to16(SwsContext *c, const uint8_t *srcDither, int rot)
"movq %%mm3, %%mm4\n\t"
"punpcklbw %%mm0, %%mm3\n\t"
"punpckhbw %%mm0, %%mm4\n\t"
"psraw $4, %%mm3\n\t"
"psraw $4, %%mm4\n\t"
"movq %%mm3, "DITHER16"+0(%1)\n\t"
"movq %%mm4, "DITHER16"+8(%1)\n\t"
:: "r"(srcDither), "r"(&c->redDither)
:: "r"(srcDither)
);
} else {
__asm__ volatile("pxor %%mm0, %%mm0\n\t"
@ -64,11 +60,7 @@ dither_8to16(SwsContext *c, const uint8_t *srcDither, int rot)
"movq %%mm3, %%mm4\n\t"
"punpcklbw %%mm0, %%mm3\n\t"
"punpckhbw %%mm0, %%mm4\n\t"
"psraw $4, %%mm3\n\t"
"psraw $4, %%mm4\n\t"
"movq %%mm3, "DITHER16"+0(%1)\n\t"
"movq %%mm4, "DITHER16"+8(%1)\n\t"
:: "r"(srcDither), "r"(&c->redDither)
:: "r"(srcDither)
);
}
}
@ -108,45 +100,27 @@ static void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc,
}
}
static void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc,
const int16_t *chrUSrc, const int16_t *chrVSrc,
const int16_t *alpSrc,
uint8_t *dst[4], int dstW, int chrDstW)
static void RENAME(yuv2yuv1_ar)(const int16_t *src, uint8_t *dst, int dstW, const uint8_t *dither, int offset)
{
int p= 4;
const int16_t *src[4]= {
lumSrc + dstW, chrUSrc + chrDstW,
chrVSrc + chrDstW, alpSrc + dstW
};
x86_reg counter[4]= { dstW, chrDstW, chrDstW, dstW };
const uint8_t *lumDither = c->lumDither8, *chrDither = c->chrDither8;
while (p--) {
if (dst[p]) {
int i;
for(i=0; i<8; i++) c->dither16[i] = (p == 2 || p == 3) ? lumDither[i] : chrDither[i];
dither_8to16(dither, offset);
__asm__ volatile(
"mov %2, %%"REG_a" \n\t"
"movq "DITHER16"+0(%3), %%mm6 \n\t"
"movq "DITHER16"+8(%3), %%mm7 \n\t"
".p2align 4 \n\t" /* FIXME Unroll? */
"1: \n\t"
"movq (%0, %%"REG_a", 2), %%mm0 \n\t"
"movq 8(%0, %%"REG_a", 2), %%mm1 \n\t"
"paddsw %%mm6, %%mm0 \n\t"
"paddsw %%mm7, %%mm1 \n\t"
"paddsw %%mm3, %%mm0 \n\t"
"paddsw %%mm4, %%mm1 \n\t"
"psraw $7, %%mm0 \n\t"
"psraw $7, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%1, %%REGa))
"add $8, %%"REG_a" \n\t"
"jnc 1b \n\t"
:: "r" (src[p]), "r" (dst[p] + counter[p]),
"g" (-counter[p]), "r"(&c->redDither)
:: "r" (src + dstW), "r" (dst + dstW),
"g" ((long)-dstW)
: "%"REG_a
);
}
}
}
#define YSCALEYUV2PACKEDX_UV \
@ -1898,6 +1872,7 @@ static av_cold void RENAME(sws_init_swScale)(SwsContext *c)
if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) && dstFormat != PIX_FMT_NV12
&& dstFormat != PIX_FMT_NV21 && !(c->flags & SWS_BITEXACT)) {
c->yuv2plane1 = RENAME(yuv2yuv1_ar );
if (c->flags & SWS_ACCURATE_RND) {
//c->yuv2yuv1 = RENAME(yuv2yuv1_ar );
if (!(c->flags & SWS_FULL_CHR_H_INT)) {

Write Preview
Loading…
Cancel
Save