[ATrpms-users] FFmpeg and VOB troubles

Jeff volckaert jvolckaert at gmail.com
Fri Oct 26 20:43:49 CEST 2007


I searched the mailing list archives and didn't see anyone mention
this problem.  I'm having trouble with FFmpeg and VOB files.  I get
the error message "Unsupported codec (id=86020) for input stream #0.1"

The FAQ for FFmpeg states:
--------------------------------------------------------------
1.8 Why does ffmpeg not decode audio in VOB files?

The audio is AC3 (a.k.a. A/52). AC3 decoding is an optional component
in ffmpeg as the component that handles AC3 decoding (liba52) is
currently released under the GPL. If you have liba52 installed on your
system, enable AC3 decoding with ./configure --enable-liba52
--enable-gpl. Take care: by enabling AC3, you automatically change the
license of libavcodec from LGPL to GPL.
--------------------------------------------------------------

I installed the ATRPMS liba52_0-0.7.4-7.fc6.at, but that doesn't seem
to be used by FFmpeg.

I don't want to uninstall the RPM and compile FFmpeg from source since
that would mess with my Mythtv install.

How can I recompile the ATRPMS FFmpeg with "./configure
--enable-liba52 --enable-gpl"?  Was there a reason this was left out
of the default FFmpeg RPM?  Can this be made part of the default RPM
in the future?

Thanks,
Jeff



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