[Bf-committers] Fractional fps (was: Problems with time in
theeth at yahoo.com
Wed Jan 4 22:25:21 CET 2006
--- Ken Hughes <khughes at pacific.edu> wrote:
> Roland Hess wrote:
> > First, I'm not sure why I never realized it, but
> Blender's global
> > current frame variable is a short integer.
> This reminded me of another minor annoyance. I use
> blender to make
> videos, some 4 to 5 minutes in length, which are
> synchronized to music
> and later output to DV tape. For DV, most things
> use Type 1 or Type 2
> AVI files, which expect 29.97 frames/sec. Since
> Blender's frs_sec param
> is a short, I have to use something like transcode
> to my files into
> something with the correct rate. (29.97 vs 30 may
> seem minor, but in a
> 5 minute video it translates to a 9 frame or 0.30
> sec difference, which
> when synchronized to music is very noticable).
> What is the opinion about making frs_sec store
> rate*100? It would still
> fit into a short (current UI allows values from 1 to
> 120), and would
> only require changing 45 or so places in the code
What would be even better is changing it for a
fraction (num/denum). IIRC, that's how the framerate
is stored in AVI files.
That might require too much changes internally though.
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