[theora] Bad results, encoding keynote presentation videos

j at v2v.cc j at v2v.cc
Thu Aug 12 07:55:57 PDT 2010

On 08/12/2010 02:57 PM, Orton AKINCI aka .-_-. wrote:
> i had the same issue for my theora videos encoded with ffmpeg2theora
> using libtheora 1.1 20090822 with still frames when playing with vlc...
> still frames play only for one frame, no matter how long they are... but
> i do not think that this is the problem with ffmpeg2theora or libtheora
> it uses... even though i didn't check it with latest builds of
> libtheora, i think  this is the problem with vlc, not with thora. my
> videos do play well with firefox... however, when people download the
> video and try to play it with vlc, the problem occurs...

this was a bug in vlc not handling empty frames, those are used if
nothing changes compared to the previous frame, only theora 1.1 started
to make use of that feature. this should have been fixed in VLC by now.
if it still exists, please file a bug with vlc and provide a sample.


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