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Some AltiVec functions in SwScaler produce different output than their

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counterparts in pure C, so don't invoke them in bitexact mode.

Originally committed as revision 28555 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Kostya Shishkov 2009-02-14 16:37:39 +00:00
parent 24d54e9ebb
commit 12794f73eb
2 changed files with 4 additions and 2 deletions
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1
libswscale/swscale.c
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@ -2396,6 +2396,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d
#ifdef COMPILE_ALTIVEC
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
!(c->flags & SWS_BITEXACT) &&
srcFormat == PIX_FMT_YUV420P) {
// unscaled YV12 -> packed YUV, we want speed
if (dstFormat == PIX_FMT_YUYV422)

5
libswscale/swscale_template.c
View File

@ -1136,9 +1136,10 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
#if HAVE_ALTIVEC
/* The following list of supported dstFormat values should
match what's found in the body of altivec_yuv2packedX() */
if (c->dstFormat==PIX_FMT_ABGR || c->dstFormat==PIX_FMT_BGRA ||
if (!(c->flags & SWS_BITEXACT) &&
(c->dstFormat==PIX_FMT_ABGR || c->dstFormat==PIX_FMT_BGRA ||
c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
c->dstFormat==PIX_FMT_RGBA || c->dstFormat==PIX_FMT_ARGB)
c->dstFormat==PIX_FMT_RGBA || c->dstFormat==PIX_FMT_ARGB))
altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, dstW, dstY);