diff options
| author | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-07-17 23:42:06 +0000 |
|---|---|---|
| committer | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-07-17 23:42:06 +0000 |
| commit | 8db6dab345975f4807f9f16b33628c486f93677c (patch) | |
| tree | fa6e18eae8930f8d3b55a8680eb5d268a856549c /libswscale/swscale_template.c | |
| parent | e96aa16d0c69b25c64efd22a0ba8de4dcb390a8b (diff) | |
| download | mpv-8db6dab345975f4807f9f16b33628c486f93677c.tar.bz2 mpv-8db6dab345975f4807f9f16b33628c486f93677c.tar.xz | |
Forgotten accurate rounding function YSCALEYUV2YV121_ACCURATE.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27321 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libswscale/swscale_template.c')
| -rw-r--r-- | libswscale/swscale_template.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c index ee3c96836b..221c4961a0 100644 --- a/libswscale/swscale_template.c +++ b/libswscale/swscale_template.c @@ -181,6 +181,24 @@ "add $8, %%"REG_a" \n\t"\ "jnc 1b \n\t" +#define YSCALEYUV2YV121_ACCURATE \ + "mov %2, %%"REG_a" \n\t"\ + "pcmpeqw %%mm7, %%mm7 \n\t"\ + "psrlw $15, %%mm7 \n\t"\ + "psllw $6, %%mm7 \n\t"\ + ASMALIGN(4) /* FIXME Unroll? */\ + "1: \n\t"\ + "movq (%0, %%"REG_a", 2), %%mm0 \n\t"\ + "movq 8(%0, %%"REG_a", 2), %%mm1 \n\t"\ + "paddw %%mm7, %%mm0 \n\t"\ + "paddw %%mm7, %%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" + /* :: "m" (-lumFilterSize), "m" (-chrFilterSize), "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4), @@ -969,7 +987,7 @@ yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize, dest, uDest, dstW, chrDstW, dstFormat); } -static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc, +static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW) { #ifdef HAVE_MMX @@ -978,6 +996,16 @@ static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc, uint8_t *dst[3]= {dest, uDest, vDest}; long counter[3] = {dstW, chrDstW, chrDstW}; + if (c->flags & SWS_ACCURATE_RND){ + while(p--){ + asm volatile( + YSCALEYUV2YV121_ACCURATE + :: "r" (src[p]), "r" (dst[p] + counter[p]), + "g" (-counter[p]) + : "%"REG_a + ); + } + }else{ while(p--){ asm volatile( YSCALEYUV2YV121 @@ -986,6 +1014,7 @@ static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc, : "%"REG_a ); } + } #else int i; @@ -3178,7 +3207,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s { int16_t *lumBuf = lumPixBuf[0]; int16_t *chrBuf= chrPixBuf[0]; - RENAME(yuv2yuv1)(lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW); + RENAME(yuv2yuv1)(c, lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW); } else //General YV12 { |