[MPlayer-DOCS] encoding guide draft

D Richard Felker III dalias at aerifal.cx
Sat Apr 2 01:02:15 CEST 2005


On Fri, Apr 01, 2005 at 09:54:43PM +0200, Nico Sabbi wrote:
> D Richard Felker III wrote:
> 
> >
> >II.2. Constraints of DVD, SVCD, and VCD
> >
> >Unfortunately, the DVD, SVCD, and VCD formats are subject to heavy
> >constraints. Only a small selection of encoded picture sizes & aspect
> >ratios are available. If your movie does not meet one of these, you
> >must scale and crop or add black borders (which are bad for quality!)
> >to make it compliant.
> >
> >Format      Resolution  V.Codec A.Codec           FPS    Aspect
> >NTSC DVD    720x480 *   MPEG-2  MP2,MP3,AC3,PCM   24,30  4:3,16:9
> >NTSC SVCD   480x480     MPEG-2  MP2               30     4:3
> >NTSC VCD    352x240     MPEG-1  MP2               24,30  4:3
> >PAL DVD     720x576 *   MPEG-2  MP2,MP3,AC3,PCM   25     4:3,16:9
> >PAL SVCD    480x576     MPEG-2  MP2               25     4:3
> >PAL VCD     352x288     MPEG-1  MP2               25     4:3
> >
> >* DVD also offers other resolutions but they are usually not
> > desirable.
> > 
> >
> 
> mp3 is neither permitted nor frequently supported by players;
> for dvd x=704 is standard and very useful, because it often permits to 
> crop without rescaling

Ah yes. :)
BTW I think mp3 _is_ standard/supported for PAL DVD, just not NTSC.
Can someone verify this?

Like I said it's a draft and some of the info is wrong, so thanks for
correcting it.

Rich




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