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Code Issues Releases Activity

YUV->BGR32 MMX support

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Kevin Coyle 2015-07-03 11:16:42 -07:00 committed by Michael Niedermayer
parent 8255b14c68
commit 1262711388
1 changed files with 30 additions and 0 deletions
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30
libswscale/x86/swscale_template.c
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@ -399,6 +399,35 @@ static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
}
}
static void RENAME(yuv2bgr32_X)(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc,
int chrFilterSize, const int16_t **alpSrc,
uint8_t *dest, int dstW, int dstY)
{
x86_reg dummy=0;
x86_reg dstW_reg = dstW;
x86_reg uv_off = c->uv_offx2;
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
YSCALEYUV2PACKEDX
YSCALEYUV2RGBX
YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
"psraw $3, %%mm1 \n\t"
"psraw $3, %%mm7 \n\t"
"packuswb %%mm7, %%mm1 \n\t"
WRITEBGR32(%4, "%5", %%REGa, %%mm5, %%mm4, %%mm2, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
YSCALEYUV2PACKEDX_END
} else {
YSCALEYUV2PACKEDX
YSCALEYUV2RGBX
"pcmpeqd %%mm7, %%mm7 \n\t"
WRITEBGR32(%4, "%5", %%REGa, %%mm5, %%mm4, %%mm2, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
YSCALEYUV2PACKEDX_END
}
}
#define REAL_WRITERGB16(dst, dstw, index) \
"pand "MANGLE(bF8)", %%mm2 \n\t" /* B */\
"pand "MANGLE(bFC)", %%mm4 \n\t" /* G */\
@ -1491,6 +1520,7 @@ static av_cold void RENAME(sws_init_swscale)(SwsContext *c)
if (!(c->flags & SWS_FULL_CHR_H_INT)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB32: c->yuv2packedX = RENAME(yuv2rgb32_X); break;
case AV_PIX_FMT_BGR32: c->yuv2packedX = RENAME(yuv2bgr32_X); break;
#if HAVE_6REGS
case AV_PIX_FMT_BGR24: c->yuv2packedX = RENAME(yuv2bgr24_X); break;
#endif