[Mp4-tech] [Video] GMC in Advanced simple profile

Herbert Thoma tma iis.fhg.de
Thu May 13 15:48:18 EDT 2004


nitgupta hss.hns.com schrieb:
> 
> 
> 
> Hi all,
> 
>  This is in regards to the implementation of Global Motion Compensation
>  in Advanced simple profile.
> 
>  "sprite enable" has 4 possible values :
>  00 - sprite not used

00 is applicable if you don't use GMC
>  01 - static (basic/low latency)

01 is not allowed in an ASP bitstream
>  10 - GMC

10 is applicable if you use GMC
>  11 - reserved
> 
>  My question is that is 00 and 01 values for "sprite enable" are applicable
>  for Advanced simple profile ?
>  Also will i get "split width" and "split height" in an ASP bitstream since
>  these are only present when

No, these syntax elements are part of the "normal" sprite coding, not in 
ASP.
>  "sprite enable" is not equal to GMC.
> 
>  Regards,
>  Nitin.
> 
> _______________________________________________
> NOTE: Please use clear subject lines for your posts. Include [audio, [video], [systems], [general] or another apppropriate identifier to indicate the type of question you have.
> 
> Note: Conduct on the mailing list is subject to the Antitrust guidelines found at http://www.mpegif.org/public/documents/vault/mp-out-30042-Antitrust.php
> 

-- 
Herbert Thoma
Group Manager Video
Multimedia Realtime Systems Department
Fraunhofer IIS
Am Wolfsmantel 33, 91058 Erlangen, Germany
Phone: +49-9131-776-323
Fax:   +49-9131-776-399
email: tma iis.fhg.de
www: http://www.iis.fhg.de/


More information about the Mp4-tech mailing list