[MEncoder-users] how to test encoded file ?

[Grozdan]

On Thu, Jul 8, 2010 at 1:47 PM, Bernd Butscheidt <bbutscheidt at yahoo.de> wrote:
> From: Grozdan <neutrino8 at gmail.com>
> 8. July 2010, 12:42:37 h
>
> On Thu, Jul 8, 2010 at 12:27 PM, Bernd Butscheidt <bbutscheidt at yahoo.de> wrote:
>>>and why do you want to create a true 24 fps film file?
>>>
>>> I just like to have back the original speed (movie at 24 fps)
>
>>So the original was true film? Not 23.976fps?
>
> Just to make things clear: No my input is PAL 25fps, that's why I start with
> -speed 24/25.

I still don't know why you want to produce true film. Such things are
only for studio and filming, not for mainstream were almost everything
is 23.976 (ntsc film)

>
>
>>>>Still, if you want 24fps file, use -vf
>>>>filmdint=fast=0/io=25:24/dint_thres=256 -ofps 24
>
>>> I haven't discovered this yet. But will this just drop frames to achieve
> 24fps
>>> or slow down the movie (which means reverse the PAL-Speedup?)
>
>>IIRC, it interpolates, doesn't drop them to achieve this.
>
> O.K, i will check this, but I fear this is not what I need, because the amount
> of frames should'nt change, just the amount of frames played in one second -
> that's why the movie lenght of the reencode is expected to be longer than the
> PAL source.

Then your best option is -speed

>
> Thanks for all other hints. I will keep in mind that I have an alternative
> container to try when things with lavf are finally not working at all. Up to
> now, it was reliable to me while speeding up the remuxing with mkvmerge.
>
> Kind regards
> Bernd
>
>
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