[MEncoder-users] Determining proper frame rate

[Grozdan]

2009/11/4 Andrew Berg <bahamutzero8825 at gmail.com>:
> Jason Simpson wrote:
>> From your example rates, I'm guessing that you are dealing with NTSC
>> video sources.
>>
> Yes.
>> I use the script below that checks twenty one-second samples of
>> video at various spots throughout the input stream to
>> pseudo-statistically determine if the video is primarily telecined.
>>
>> Hope this is helpful.
>>
> Seems it isn't telecined according to your script, which is exactly what
> I thought. Thanks.
>
>
> While we're on the subject, I have material that I know is telecined at
> 60000/1001fps and I want it at half that (it's on a network that does
> 720p at 60000/1001 and the material is originally 1080i at 30000/1001).
> -ofps 30000/1001 doesn't work. There's some discussion about 60fps
> telecined material on the list, but I didn't quite understand it and I
> think it's for getting 24000/1001fps anyway.

Have you tried with filmdint? It can scale down frame rates with its
io option, eg filmdint=io=60:30 -fps 60000/1001 -ofps 30000/1001. Or
are you just trying to reduce the frame rate but preserve the
telecine?

> _______________________________________________
> MEncoder-users mailing list
> MEncoder-users at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>