[Kdenlive-devel] [Mlt-devel] Progress in frames dropping bug?

[Dan Dennedy]

On Wednesday 04 July 2007 04:53, Jan Uhlir wrote:
> Thank you for reporting on issue solving progress.
>
> >There is a workaround. Use inigo to create a .westley file, edit it, and
> >load that into kdenlive. It will not show up in the kdenlive File Open
> > dialog, but you can type in the file name to load it.
> >
> >Use avidemux2 to determine number of frames.
> >$ inigo clip1.mpeg -consumer westley:clip1.westley
> >$ vim clip1.westley
> >change "length" and 3 "out" points to (length-1)
>
> So Avidemux2 IS capable to determine correct frame number of mpeg2 clip?
> And ffmpeg functions which report a wrong (lower) number?
>
> And once the number is known and forced to kdenlive/westley file (a job for
> Kdenlive) the output is correct having the same number of frames?
>
> Dan, do you mind to talk to Avidemux2 guys for the method they use?
> I can do it myself, but I guess you can do it in much "profound" way.

Interestingly, I just came across a MPEG-2 transport stream where ffmpeg+mlt 
was correct, and avidemux2 could only see 10 fewer frames. I am not going to 
work on this issue for a while, but I know I will turn to avidemux2 source 
code in the future to learn some things from it.