[Ffmpeg-devel] libavcodec/libavformat questions

Attila Kinali attila
Sat Sep 2 07:40:15 CEST 2006

On Fri, 01 Sep 2006 09:08:59 -0400
mgberry at ellipticity.com wrote:

> 1.I have been using the ffmpeg package for slackware with no problems.
>    I think the build was 11/2005.  I recently switched the latest
> source revision and built project.  Now my sound does not work and the
> video is garbled using ffplay.   This is in a attempt to run a file
> that uses the svq3 codec. I have run up and down the halls (not
> literally) trying to figure this out with no results.  Any thoughts?

"It does not work" is not an error description.

> 2.I am assuming that mplayer builds it own libs and does not use the
> libs that I built in ffmpeg.  In looking at the source it appears to
> be packaged and built with the source tree.  Is this correct?  ldd
> does not show any links to libavcodec or libavformat.

MPlayer coppies part of the ffmpeg source into its own source
tree to compile and staticaly link against it.
> 3.I have been trying to access the shared libs using some sample
> source from
> http://www.inb.uni-luebeck.de/~boehme/using_libavcodec.html  It would
> not compile and  I changed one of the structs from .codec to ->codec.
> That seemed to fix one of the problems but I cant seem to resolve the
> others.  The errors are:

This seems to me that the code example are way out of date.
There is some documentation around on how to use lavc (see
a mail send yesterday), use that instead and try again.

				Attila Kinali

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