[MPlayer-users] Is S-Video and external monitor limited by laptop's graphics card's max resolution.

Rich Felker dalias at aerifal.cx
Tue Aug 30 18:59:18 CEST 2005


On Sat, Aug 27, 2005 at 08:24:02PM -0500, Reshat Sabiq wrote:
> Reshat Sabiq wrote:
> 
> >Looks like it's all covered at:
> >http://www.michaeldvd.com.au/Articles/PALvsNTSC/PALvsNTSC.asp
> >
> >So then i'm making the following conclusions (please correct me if i'm 
> >wrong):
> >1. both 1024x768 max resolution laptop and 1280x768 one will have the 
> >same quality of playback via S-Video, and in fact resolutions are 
> >irrelevant, as Reimar said, and all modern resolutions would have the 
> >same playback.
> >2. a (DVD) stream played back on a computer monitor (VGA or LCD) from 
> >a computer will be higher quality than the same stream played back via 
> >S-Video, because more pixels will be used for rendering
> >3. a laptop with max resolution of 1024x768 would be able to play a 
> >wide screen DVD on a "16:9" VGA (e.g., at 1280x768)
> >
> >Thanks.
> 
> I think answer to 1 is Yes.

Most definitely.

> On 2., there probably won't be any different between a comparable TV + 
> S-Video, or a monitor, since the TV will have larger pixels, and a 
> monitor would scale a pixel to more than 1. Though i don't exactly 

But actually this isn't the case. High quality videos have _more_
resolution than a TV is capable of reproducing, especially a 4:3 TV.

> understand what happens if, say, horizontal resolution is not a multiple 
> of 720. I guess some pixels get rendered more than once and some don't.

No, this is incredibly horrible. The image is resampled.

> On 3., i made a typo, 1280x768 is not 16:9, i meant to say 1280x720. I'm 
> pretty sure the answer is yes, although not all of external VGA or LCD 
> resolutions might be supported. So i guess the answer is 75% chance yes, 
> 25% No, or something like that.

I don't see how the lcd resolution is relevant if you're using an
external monitor.

Rich




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