[MEncoder-users] MPEG encoding hangs

[Moritz Barsnick]

Hi,

On Fri, Jan 02, 2009 at 12:36:11 +0100, belcampo wrote:
> I don't know what you're trying to achieve, but your source is an mp4 
> container and the dvd-format is an MPEG2 format container.

I think his command line should be capable of doing exactly that
conversion.

> Further DVD codec format is MPEG2 which your mp4 won't be.  So a ovc
> copy cannot work.

It _can_ be MPEG2 video within an MPEG4 container (Google claims it
exists ;->). But indeed:

> > VIDEO:  [avc1]  1280x720  24bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
> > [V] filefmt:44  fourcc:0x31637661  size:1280x720  fps:29.970  ftime:=0.0334

That's AVC-1 video a.k.a. H.264. So indeed, Stefan (the original
poster) is not going to achieve what he said he was trying to.

Nevertheless:

> > It is line 2067 of file libmpdemux/muxer_mpeg.c. I looked into the file, 
> > there is an endless loop (while(1) ) that never ends for the expression 
> > s->wf->wFormatTag of value 255.

I agree with Stefan that mencoder should not hang in an endless loop.

Moritz