Dear finx (or list manager that will promptly ask me to subscribe),
ffmpeg in 10.3/unstable will not decode AC3 audio. ffmpeg's libavcodec
needs to dlopen liba52, but the path passed to dlopen is hardcoded with
the .so extension, which does not match the .dylib extension that the
library is installed with.
The same problem is present in the dlopen of libfaad elsewhere in
libavcodec.
Adding the following to PatchScript in ffmpeg.info takes care of both
of these problems. They should logically be added near the other
.so-to-.dylib patches.
--
### Still more fixes for dylib
perl -pi -e 's,liba52.so.0,%p/lib/liba52.0.dylib,g'
libavcodec/a52dec.c
perl -pi -e 's,libfaad.so.0,%p/lib/libfaad.0.dylib,g'
libavcodec/faad.c
--
Patch for ffmpeg.info follows. For two lines, I don't know why, but
some people really just prefer patch files.
--
Index: 10.3/unstable/main/finkinfo/graphics/ffmpeg.info
diff -ur 10.3/unstable/main/finkinfo/graphics/ffmpeg.info.dist
10.3/unstable/main/finkinfo/graphics/ffmpeg.info
--- 10.3/unstable/main/finkinfo/graphics/ffmpeg.info.distThu Nov 13
12:32:46 2003
+++ 10.3/unstable/main/finkinfo/graphics/ffmpeg.info Mon Dec 22
23:55:05 2003
@@ -27,6 +27,9 @@
perl -pi -e
's,SLIB=,SLIB_INSTALL=\$(SLIBPREF)avformat.0\$(SLIBSUF)\nSLIB=,g'
libavformat/Makefile
perl -pi -e 's,\$\(CC\) \$\(SHFLAGS\) -o \$\@ \$\(OBJS\)
\$\(EXTRALIBS\) \$\(AMREXTRALIBS\),\$\(CC\) \$\(SHFLAGS\) -o \$\@
\$\(OBJS\) \$\(EXTRALIBS\) \$\(AMREXTRALIBS\)\n\tln -sf \$\(SLIB\)
\$\(SLIBPREF\)avcodec.0\$\(SLIBSUF\)\n\tln -sf \$(SLIB\)
\$\(SLIBPREF\)avcodec\$\(SLIBSUF\),g' libavcodec/Makefile
perl -pi -e 's,\$\(CC\) \$\(SHFLAGS\) -o (.*),\$\(CC\) \$\(SHFLAGS\)
-o $1\n\tln -sf \$\(SLIB\) \$\(SLIBPREF\)avformat.0\$\(SLIBSUF\)\n\tln
-sf \$(SLIB\) \$\(SLIBPREF\)avformat\$\(SLIBSUF\),g'
libavformat/Makefile
+ ### Still more fixes for dylib
+ perl -pi -e 's,liba52.so.0,%p/lib/liba52.0.dylib,g'
libavcodec/a52dec.c
+ perl -pi -e 's,libfaad.so.0,%p/lib/libfaad.0.dylib,g'
libavcodec/faad.c
### libsvformat shared lib linking
perl -pi -e 's,PPOBJS=,PPOBJS=\nLIBS+=-L../libavcodec
-lavcodec\nEXTRALIBS+=-lmp3lame -lvorbis -lvorbisenc -logg,g'
libavformat/Makefile
perl -pi -e 's,\$\(EXTRALIBS\),\$\(LIBS\) \$\(EXTRALIBS\),g'
libavformat/Makefile
--
This bug is accounted for and patched in ffmpeg 0.4.6-11 in
10.2-gcc3/unstable, apparently the patch never made the leap to the new
tree.
Mark
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