[Ffmpeg-devel] [ bug ] converting png to dv gives solid black

[Måns Rullgård]

Erik Slagter <erik at slagter.name> writes:

> On Sat, 2006-03-11 at 23:20 +0000, Dieter wrote:
>> > > ffmpeg -i checkerboard_3x3_%d.png -r 30001/1001 -pix_fmt yuv411p tmp.dv
>> > 
>> > A question unrelated to your problem:
>> > Why not use -r 30000/1001 ? That's the official value for 29.97fps.
>> 
>> Because that's what Erik recommended.
>> 
>> Hmmmm... google finds a *lot* more hits for 30000 than for 30001.
>
> Besides the fact that either 30000/1001 and 30001/1001 are completely
> stupid from a design point of view, I see both equally often. Actually I
> think I don't even want to know which one is correct :-p

The common frame rates are 24000/1001, 24, 25, 30000/1001, 30, 50,
60000/1001, and 60 fps.  30001/1001 is very unlikely to be correct.

-- 
M?ns Rullg?rd
mru at inprovide.com