[FFmpeg-cvslog] r28555 - in trunk/libswscale: swscale.c swscale_template.c

[kostya]

Author: kostya
Date: Sat Feb 14 17:37:39 2009
New Revision: 28555

Log:
Some AltiVec functions in SwScaler produce different output than their
counterparts in pure C, so don't invoke them in bitexact mode.

Modified:
   trunk/libswscale/swscale.c
   trunk/libswscale/swscale_template.c

Modified: trunk/libswscale/swscale.c
==============================================================================
--- trunk/libswscale/swscale.c	Sat Feb 14 14:06:52 2009	(r28554)
+++ trunk/libswscale/swscale.c	Sat Feb 14 17:37:39 2009	(r28555)
@@ -2396,6 +2396,7 @@ SwsContext *sws_getContext(int srcW, int
 
 #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)

Modified: trunk/libswscale/swscale_template.c
==============================================================================
--- trunk/libswscale/swscale_template.c	Sat Feb 14 14:06:52 2009	(r28554)
+++ trunk/libswscale/swscale_template.c	Sat Feb 14 17:37:39 2009	(r28555)
@@ -1136,9 +1136,10 @@ static inline void RENAME(yuv2packedX)(S
 #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);