[GNUnet-SVN] r7452 - Extractor/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec

[gnunet]

Author: grothoff
Date: 2008-07-18 21:59:01 -0600 (Fri, 18 Jul 2008)
New Revision: 7452

Modified:
   Extractor/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c
Log:
fix potential memcpy of size -1 -- mega-outch

Modified: Extractor/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c
===================================================================
--- Extractor/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c        
2008-07-19 03:49:58 UTC (rev 7451)
+++ Extractor/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c        
2008-07-19 03:59:01 UTC (rev 7452)
@@ -896,6 +896,8 @@
         for(i = 0; i < pf->nb_channels; i++) {
             int w, h;
             int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
+           if (bwidth < 0)
+             continue; /* unknown pixel type, ignore */
             w = width;
             h = height;
             if (i == 1 || i == 2) {