Trying to use non-existant patches isn't exactly the idea of the century.

Please leave the FFmpeg revision fixed and only update it if you sure that your newer one is stable, nice and cool.

extras/contrib/src/Makefile

@@ -1068,7 +1068,6 @@ DISTCLEAN_PKG += amrwb-$(LIBAMR_WB_VERSION).tar.bz2
 ifdef SVN
 ffmpeg:
 	$(SVN) co $(FFMPEG_SVN) ffmpeg -r 12920
-	(cd $@; patch -p0 < ../Patches/ffmpeg-pkg-config.patch)
 ifeq ($(HOST),i586-pc-beos)
 	(cd $@; patch -p0 < ../Patches/ffmpeg-svn-beos.patch)
 endif
@@ -1090,7 +1089,6 @@ ifdef HAVE_UCLIBC
 	patch -p0 < Patches/ffmpeg-svn-internal-define.patch
 	patch -p0 < Patches/ffmpeg-svn-libavformat.patch
 endif
-	(cd $@; patch -p0 < ../Patches/ffmpeg-svn-configure.patch )
 else
 ffmpeg-$(FFMPEG_VERSION).tar.gz:
 	echo "ffmpeg snapshot is too old, you MUST use subversion !"