Fw: [M4IF Technotes] Mp4 files compatibility

to xvid-developers,
check the mail from "m4if-technotes".
is xvid adding VOS Header?.
regards,
chandra



----- Original Message -----
From: "Bill May" <[email protected]>
To: "Alisson Vasconcelos de Brito / Pos. COPIN" <[email protected]>
Cc: <[email protected]>
Sent: Monday, December 23, 2002 11:27 PM
Subject: Re: [M4IF Technotes] Mp4 files compatibility


> xvidenc does not correctly add a VOSH header, which has the profile
> information.  mp4creator then defaults it to the highest profile
> level.
>
> QT 6.0 checks for that profile information, and won't play the profile
> information.
>
> mpeg4ip 0.9.7 version will display warning messages telling which headers
> are missing.
>
> In CVS on sourceforge, I have added an override command for the profile
> which will become part of the 0.9.8 release of mpeg4ip; however, the
> real fix would be to get XVID to add the correct VOSH header.
>
> Bill May
> mpeg4ip
>
> Alisson Vasconcelos de Brito / Pos. COPIN wrote:
> > Hi,
> > Anybody knows why .mp4 files created by xvidenc and mp4creator
> > doesnt work on QuickTime 6, but works on all others decoders? Is there
any
> > configurations I should make?
> > Thanks,
> > Alisson
> >