Re: xvid

Hi Peter,

VLC and Quicktime have no problems with decoding the stream. Where can I
find some more info on the profiles and levels and where should I start
looking in the sources for fixing the problem?

Stefan,

> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of Peter Ross
> Sent: 19 June 2009 07:08
> To: [email protected]
> Subject: Re: [XviD-devel] xvid
> 
> On Thu, Jun 18, 2009 at 02:29:38PM +0200, Stefan De Laere wrote:
> > Is 640*480 a resolution which is allowed in MPEG4 Simple Profile or
> > Advanced Simple Profile?
> 
> It is more complicated then that. The profiles are broken up into
> levels, and it is the levels which constrain the pixel dimensions,
> bit rate and other parameters. e.g. ASP Level 5 supports 480/576p
> content.
> 
> > Is this a known problem ?
> 
> No.
> 
> > Are there any settings that need to be changed in order to get a good
> > picture ?
> 
> Invariably, yes.
> 
> > Is is possible that the MPEG4 produced by the axis camera is not
> fully
> > MPEG4 compliant ?
> 
> Easy way to confirm this, is trying an alternative MPEG-4 decoder (e.g.
> FFmpeg).
> 
> Failing all of this, contact the vendor, and get them to nominate a
> decoder
> and camera settings that are known to work.
> 
> -- Peter
> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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