[Ffmpeg-devel] incorrect NTSC frame rate detection in .MOV file parser

Dan Maas dmaas
Thu Feb 2 23:50:17 CET 2006


> > For example, a 2-frame NTSC DV Quicktime file has total duration 5994
> > and sample duration 200. The correct frame rate is 5994/200 = 2997/100.
> > However the av_reduce() returns 30/1, which is incorrect.
> 
> 2997/100 is incorrect too

I know... But that's what Final Cut Pro puts in the file.

I'd be happy with either 2997/100 or 30000/1001. But definitely not
30/1!

> anyway, cvs up and ffmpeg will guess better

Thanks!

Dan





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