[MPlayer-users] Re: encoding from stdin

[D Richard Felker III]

On Sat, Jun 05, 2004 at 01:45:05PM +0200, justin case wrote:
> > Be warned, however, that mencoder requires seeking to properly decode some
> > formats, so encoding from a pipe doesn't always work.
> 
> seeking will definitely be needed for encoding with b-frames

Actually it's impossible to do it that way, since you have to decode
the source video in order (for most formats). When using B frames the
encoder just has to keep the previous frames it wants to encode as B
until after it gets the next frame it will encode as I/P.

Rich