On Sun, Apr 18, 2010 at 2:46 PM, Doug Barton do...@freebsd.org wrote:
On 04/17/10 23:48, Doug Barton wrote:
I recently updated -current, and all of my ports, and am now getting the
following message when I try to watch an avi file encoded with xvid:
No suitable decoder module:
VLC does not support the audio or video format XVID. Unfortunately
there is no way for you to fix this.
Recompiling vlc, xvid, and numerous other things didn't help. Any
suggestions?
I have found the problem, it's zlib. In r206708-9 delphij updated zlib
to version 1.2.4.3 and did some magic with the symbols. I just regressed
my system to r206707 and now the same vlc does xvid just fine.
When I booted the new -current yesterday (after the libz changes) I had
to rebuild and reinstall openbox and libxml2 because the latter had some
sort of unresolved symbol problem related to libz. When I regressed the
system today and had to do the same thing I got this error:
/usr/local/lib/libxml2.so: undefined reference to `gzo...@zlib_1.2.4.0'
(Note, this libxml2 that generated this error was compiled against the
NEW libz, so it's not the error that I was seeing previously.)
In looking over the things in /usr/lib that may be related I see that
gpac-libgpac-0.4.5_4,1 has the gzopen symbol, and I did not recompile
that when I was trying to get vlc to work last night so it may be the
magic bullet.
My plan at this point is to re-upgrade to the latest -current, record
the error I get from libxml2 when recompiling openbox, and then try
recompiling stuff until I find the one that does the trick. Worst case
scenario I do 'portmaster -f vlc' but that constitutes 175 ports, which
would take a while.
Yeah... that's what I thought it was. vlc does some interesting
work initializing codecs I think where it disguises runtime linker
issues, etc with pieces that tie into vlc. Not really happy about
that, but after the issue with zlib was identified 2~3 weeks ago, it
was easy to clean up...
The other issues with zlib are pretty well known, and the overall
upgrade as I and others mentioned a few weeks back is large as it's
use is pervasive in 3rd party software.
HTH,
-Garrett
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