[FFmpeg-devel] [PATCH] Fix passlogfile naming when the user provide its own filename

[Michael Niedermayer]

On Fri, Dec 26, 2008 at 02:11:52PM +0100, Stefano Sabatini wrote:
> On date Friday 2008-12-26 13:12:38 +0100, Stefano Sabatini encoded:
> > On date Friday 2008-12-26 13:02:36 +0100, Stefano Sabatini encoded:
> > > Hi all,
> > > 
> > > as spotted here:
> > > http://thread.gmane.org/6156dd8b0812252130w1d417b3dhd4008693154fdbe6 at mail.gmail.com
> > > 
> > > when the user set the passlog filename with -passlogfile FILENAME,
> > > ffmpeg adds an index and a .log suffix to the logfilename, so it will
> > > look like FILENAME-N.log, in contradiction with the documentation and
> > > causing problems if the order of the streams change in the second pass
> > > encoding.
> > > 
> > > First patch fixes it, the second one changes the macro
> > > DEFAULT_PASS_LOGFILENAME -> DEFAULT_PASS_LOGFILENAME_PREFIX, which is
> > > IMO more coherent with its meaning.
> > 
> > Doh, I pushed again the button too quickly, patch cannot work since
> > the passlogfile is set globally, when more than one encoding is done
> > then all the encoders will use the same filename, which is obviously
> > the wrong behaviour.
> > 
> > I think the cleanest solution would be to store the passlogfilename in
> > the encoder context, or maybe to use a map between encoders and
> > passlogfilenames.
> > 
> > Anyway the documentation should be changed in order to reflect the
> > current behaviour.
> 
> Check the patches below, regards.

ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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