On Sun, Feb 17, 2013 at 11:41 AM, j-b-m <j-...@users.sourceforge.net> wrote: > Hello. > > Following Kdenlive bug report 2963, I realized that the "force_fps" property > of the avformat producer triggers an assert in FFmpeg when used on avi files. > > Problem can be reproducer easily: > > melt test.avi force_fps=40 > > exits with following info: > > Assertion (int64_t)st2->time_base.num*ast2->rate == (int64_t)st2- >>time_base.den*ast2->scale failed at libavformat/avidec.c:1514 > > > Any idea how to fix this?
Looks like the AVI demuxer does not like anyone tampering with the AVStream.time_base, but force_fps is doing exactly that, which is really against the rules. I will have to take a crack at making a local copy of the video stream's time_base, adjusting that on force_fps, and referencing the local copy in the seek-and-sync code. However, I am not entirely sure it will give the same results; we shall see. -- +-DRD-+ ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stories. Check out the most recent posts - join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel
