[M4IF Technotes] RE: [M4IF Infolist] Multiple Video Object in Simple Profile?????

Rob Koenen rkoenen intertrust.com
Tue Aug 28 00:03:25 EDT 2001


Moving to technotes only.
Kris is basically right.
Composition is specified in MPEG-4 Systems.
(and DMIF stands for Delivery Multimedia Integration Framework.
But Data Muxing InterFace is not bad for an acronym :-).
Rob
> -----Original Message-----
> From: Kris Huber [mailto:khuber   sorensontech.com]
> Sent: Monday, August 27, 2023 9:12 AM
> To: 'Gautam Kumar'
> Cc: infolist   lists.m4if.org; 'technotes   lists.m4if.org'
> Subject: RE: [M4IF Infolist] Multiple Video Object in Simple 
> Profile?????
> 
> 
> Hello Guatam Kumar,
> 
> Multiple video objects coded with simple profile are handled 
> in the same
> manner as multiple VOs coded with other profiles.  I believe 
> the systems
> part (ISO/IEC 14496-1) specifies the object-based interface.  
> Annex K of the
> visual part states the relationship between the headers of 
> part 2 (visual)
> and the names of info containers used in the systems part.  I 
> think that
> without systems and possibly without part 6 (data 
> multiplexing interface),
> multi-object decoding/rendering is not normatively specified 
> by MPEG-4, and
> one is free to do it in any manner, although interoperability 
> may be less
> likely.
> 
> I'd appreciate further clarification of these points as well.
> 
> Regards,
> Kris Huber
> 
> P.S.  I cc'd this to technotes   lists.m4if.org, as it is a 
> technical query.
> 
> -----Original Message-----
> From: Gautam Kumar [mailto:gautam   noida.hcltech.com]
> Sent: Monday, August 27, 2023 8:15 AM
> To: infolist   lists.m4if.org
> Subject: [M4IF Infolist] Multiple Video Object in Simple Profile?????
> 
> 
> Dear All,
>  Can anyone guide me how is it possible to support multiple 
> video objects in
> Simple profile. I could not find any information regarding 
> the starting
> coordinates of each Video Object in the Header (at Video 
> Object Layer, video
> object, Visual object or Visual object sequence).
> 
> Warm Regards
> Gautam Kumar
> MTS, 
> HCL Technologies, Noida, India.
> 
> 
> 
> -----Original Message-----
> From: Rob Koenen [mailto:rkoenen   intertrust.com]
> Sent: Monday, August 27, 2023 1:41 PM
> To: 'Yu-Hong Lin'; infolist   lists.m4if.org
> Subject: RE: [M4IF Infolist] wemp 2002
> 
> 
> Dear Yu-Hong,
> 
> The exact date and place are not yet known, but current thinking
> is to have it about a year after the last event, and probably again
> in the silion valley.
> 
> Kind Regards,
> Rob
> 
> > -----Original Message-----
> > From: Yu-Hong Lin [mailto:yhlin   iii.org.tw]
> > Sent: Tuesday, August 21, 2023 12:41 AM
> > To: infolist   lists.m4if.org
> > Subject: [M4IF Infolist] wemp 2002
> > 
> > 
> > Dear all,
> > 
> > Do you have any idea WHERE and WHEN
> > will the 2002 workshop be ?
> > 
> > Regards,
> > 
> > Yu-Hong Lin
> > _______________________________________________
> > M4IF General Information list
> > Infolist   lists.m4if.org
> > http://lists.m4if.org/mailman/listinfo/infolist
> > 
> _______________________________________________
> M4IF General Information list
> Infolist   lists.m4if.org
> http://lists.m4if.org/mailman/listinfo/infolist
> _______________________________________________
> M4IF General Information list
> Infolist   lists.m4if.org
> http://lists.m4if.org/mailman/listinfo/infolist
> _______________________________________________
> M4IF General Information list
> Infolist   lists.m4if.org
> http://lists.m4if.org/mailman/listinfo/infolist
> 



More information about the Mp4-tech mailing list