[FFmpeg-user] mpeg2 bufsize question

Michael Niedermayer michaelni at gmx.at
Wed Jan 18 04:52:18 CET 2012

On Tue, Jan 17, 2012 at 10:06:05PM -0500, Dave P wrote:
> On Tue, Jan 17, 2012 at 19:42, Michael Niedermayer <michaelni at gmx.at> wrote:
> > On Mon, Jan 16, 2012 at 05:03:56PM -0500, Dave P wrote:
> >> Hello list,
> >>
> >> How do you calculate bufsize?  No matter what value I choose, I get
> >
> > When you generate a mpeg file for XYZ lets say thats DVD then theres
> > a XYZ (DVD in this case) specification that lists what buffer size
> > this allows.
> >
> > If you choose a value larger than what the spec allows then you dont
> > conform to the spec and some players will not corectly play the file.
> > too small and you get various over and underflows
> >
> > note, "-target XYZ" will set these things correctly
> Yes, I've used the dv and dvd targets before, but only on sd files.
> Is there any chance there will be more contemporary targets added,
> like xdcam, hdv, atsc, or bluray?

If someone can point me to a accurate list of what exact parameters
these need then it should be easy to add anything that we support
through manually specified paramaters as a simple target

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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