Capture Card Resolution -- was: Re: [mythtv-users] 2 Capture card questions
ken at bizrace.com
Thu Mar 20 01:08:02 UTC 2003
Thanks, what do you mean by changing the compression? Do you mean the bitrate?
I have tried it as low as 2200 with no real improvement. It actually looks
pretty good at 320x240, but goes down quickly as I increase it. It is a bt8x8 card.
Quoting Unit3 <unit3 at demoni.ca>:
> Ken VanDine wrote:
> >This is great info, but I can't seem to capture above 320x240. I have a
> WinTV Go on a P4 1.5G system. I try anything higher than 320x240 the quality
> gets worse. It appears to be capturing at 320x240 and scaling up. Do you
> think that is what is happening? I would really like some guidance. Is it
> possible to force it to not use overlay mode?
> Is the WinTV Go card a bt8x8 card? If so, it shouldn't be doing this,
> especially in MythTV since AFAIK MythTV doesn't use overlay mode
> directly from the card, it does compression first and then outputs it.
> I'd change the compression settings for "Live TV" and see if that makes
> a difference in your quality, it could be that it's just compressing the
> snot out of the video and that's producing what you see. Also, if you
> turn off deinterlacing, you should be able to see right away whether or
> not it's capture the full 480 vertical pixels based on whether you can
> see the interlacing artifacts or not.
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kvandine at biZrace.com
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