[vlc] Re: HDTV Transport Streams (.ts) and Performance

[Gildas Bazin]

On Saturday 04 December 2004 13:32, Benjamin PRACHT wrote:
> On Sat, Dec 04, 2004, Galen wrote :
> > 
> > 1) Reduce CPU requirement through shortcuts (with a quality and/or 
> > resolution cost I'm sure) or better decoders (not terribly likely)
> > 
> 
> Well, I don't think standard MPEG2 streams allow to reconstruct an image
> by only decoding part of the stream. 
> 

The ffmpeg decoder implements such a trick (not standard compliant but still 
works pretty well). Use --codec ffmpeg --ffmpeg-lowres=1 to decode a stream 
at half its resolution.

--
Gildas

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