[MPlayer-users] fps newbie question

Catalin Muresan catalin.muresan at astral.ro
Fri Mar 28 08:12:17 CET 2003


On Thu, Mar 27, 2003 at 02:13:36PM -0500, Yan Seiner wrote:
 > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
 > OK, another newbie alert question.
 > 
 > I've been playing quite a bit with all sorts of options, and it's sort
 > of starting to make sense, but the huge amount of underlying knowledge
 > you have to have is just amazing.
 > 
 > Could someone explain the various fps pitfalls?
 > 
 > Here's what I'm doing (among other things):
 > 
 > I have a collection of PAL tapes, and a digital PAL<->NTSC tape deck. 
 > The tape deck converts the PAL tapes to NTSC for display on an ordinary
 > NTSC TV.  I am capturing the resulting signal with a BT848 card.  I
 > often get "duplicate frame" messages, and jerky motion, which I am
 > assuming are the result of incorrect fps rates.
 > 
 > I've tried to set frame rates to what I thought were reasonable numbers,
 > but I end up with "video buffer overflow".  (What's that, anyway?  Not
 > enough CPU horsepower?)
 > 
 > Is there a reference somewhere that says:  PAL: xx FPS, NTSC: yy FPS,
 > DVD: zz FPS.  Probably something more complicated than that, but that's
 > the general idea.

	I think this will help you:
	http://www.divx.com/support/guides/guide.php?gid=11
	check the other guides also.

 > Thanks,
 > 
 > --Yan

-- 
 Catalin Muresan
 ASTRAL TELECOM
 Internet Department
 Technology Engineer



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