[MPlayer-users] Re: -dumpvideo: does it create raw video stream?

[Enzo]

> I have a large x264 encoded avifile created by MEncoder
> dev-SVN-r21398-3.4.4 that I'd like to convert to Matroska. To do this,
> the suggested procedure is:
>
> 1) convert the avi to raw with avi2raw
> 2) use mp4box or a similar tool to wrap the raw stream into mp4
> 3) feed the resulting mp4 into a Matroska merger
>
> Problem is that avi2raw failed, producing an incomplete video stream. So
> I decided to use mplayer with -dumpvideo, which indeed produced a
> complete video stream. Unfortunately both mp4box and mp3creator failed
> to recognize the video stream dumped by mplayer. Is there any
> explanation for this? Is the -dumpvideo'ed stream not fully compliant to
> the raw avi specifications? Any assistanc will be greatly appreciated --
> thank you very much.
>
> Kind regards,
>
> Enzo
>  
>
> Use mencoder -of rawvideo
>   
It doesn't seem to work. I think Nico's right:

> yes, for some idiot reason -dumpvideo applied to avi, asf and mov
> dumps 4 bytes (len) before every video packet.
> It should really be removed

If you let me know the format of the output I could write a little filter.

Thank you, cheers

Enzo