Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Automatically add more flags required on symbian
  mem.h: switch doxygen parameter order to match function prototype
  doxygen: replace @sa tag by the more readable but equivalent @see
  doxygen: use Doxygen markup for authors and web links where appropriate
  doxygen: do not include license boilerplate in Doxygen documentation
  ac3enc: Mark AVClasses const
  ffserver: Replace two loops with one loop.
  ffmpeg: Fix the check for experimental codecs
  swscale: extend mmx padding.
  swscale: clip unscaled colorspace conversion path.
  doxygen: misc consistency cosmetics
  doc: remove file name from @file directive in Doxygen usage example
  doxygen: consistently place brief description
  doxygen: place empty line between brief description and detailed description
  avformat_open_input(): Add braces to shut up gcc warning.

Conflicts:
	libavcodec/8svx.c
	libavcodec/tiff.c
	libavcodec/tiff.h
	libavcodec/vaapi_h264.c
	libavcodec/vorbis.c
	libavcodec/vorbisdec.c
	libavcodec/vp6.c
	libswscale/swscale_unscaled.c
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 7 insertions, 6 deletions

diff --git a/libswscale/utils.c b/libswscale/utils.c
index ec246e22c5..480c5a2a6d 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1048,19 +1048,20 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
     //Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
     /* align at 16 bytes for AltiVec */
     for (i=0; i<c->vLumBufSize; i++) {
-        FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+1, fail);
+        FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+16, fail);
         c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
     }
-    c->uv_off = dst_stride>>1;
-    c->uv_offx2 = dst_stride;
+    // 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
+    c->uv_off   = (dst_stride>>1) + 64 / c->scalingBpp;
+    c->uv_offx2 = dst_stride + 16;
     for (i=0; i<c->vChrBufSize; i++) {
-        FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+1, fail);
+        FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+32, fail);
         c->chrUPixBuf[i] = c->chrUPixBuf[i+c->vChrBufSize];
-        c->chrVPixBuf[i] = c->chrVPixBuf[i+c->vChrBufSize] = c->chrUPixBuf[i] + (dst_stride >> 1);
+        c->chrVPixBuf[i] = c->chrVPixBuf[i+c->vChrBufSize] = c->chrUPixBuf[i] + (dst_stride >> 1) + 8;
     }
     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
         for (i=0; i<c->vLumBufSize; i++) {
-            FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], dst_stride+1, fail);
+            FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], dst_stride+16, fail);
             c->alpPixBuf[i] = c->alpPixBuf[i+c->vLumBufSize];
         }