[MEncoder-users] Preserve interlacing

[Dmitriy]

Hi. You may want to try '-mc 0' option instead of '-noskip'

It will disable unnecessary A-V syncing attempts.



Eduardo P wrote:
>>> What would be the mencoder options to reduce a video from 1080i/60Hz
>>> to 480i/60Hz, in order to record to DVD and keep it at 60 fields per
>>> second, preserving the interlacing?
>>>       
>> man mplayer
>> /interlaced scaling
>>
>> --
>> Don't trust me! I'm wrong!
>>     
>
>
> I've already read the manual and tried:
>
> -vf tfields=0,scale=720:480,tinterlace=4 -fps=60000/1001 -ofps=60000/1001
>
> It skipped lots of frames and added lots of other duplicates, because
> it was trying to do some unnecessary resyncing of video and audio. I
> don't want mplayer to try to resync, the audio and video are already
> in sync. It just has to keep the timestamps there. I also tried to
> convert it to 720p 60fps, same problem, lots of skips and duplicates.
> I would like to just have each field converted as a frame, 1 by 1, no
> drops or duplicates. Since it was in sync before, it should be in sync
> after. It shouldn't be so hard.
>
> -noskip seems to have absolutely no effect.
>
> It works fine if there is no audio (-nosound) - the frame rate and
> time stamps are all correct.
>
> I tried -autosync too but it's not a mencoder option.
>
> Eduardo
>
>