[MPlayer-users] Reencoding a broadcast HD-ATSC stream

[Pasi Kärkkäinen]

On Sun, Nov 20, 2005 at 01:51:29PM -0500, Norman Ramsey wrote:
> 
>   1. I haven't been able to get any results I like using the mpeg4
>      codec at the native resolution.  Blocks, artifacts, you name it;
>      the video doesn't look good.  Plus my poor CPU just about rolls
>      over and dies trying to play the stuff.
> 
>   2. If I scale to NTSC DVD resolution (720x480), the results from
>      mpeg2 coding look quite good, particularly at the higher of the
>      two bit rates, at least if my initial content is 720p.
>      Deinterlacing the 1080i seems to make everything blurry; I am
>      still experimenting in that arena.
> 

I don't know if MPEG4 supports interlaced video.. but if your source is
1080i (interlaced), I think it would be better to re-encode it to some 
interlaced format so you can keep the full motion (60 fields / sec).

- Pasi Kärkkäinen

> 
> Norman
> 
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