RE: [AVT] RFC2429-bis-09: Usage of INTERLACE parameter

["Christer Holmberg \(JO/LMF\)" <christer.holmberg at ericsson.com>]

Hi Roni (or someone else),

Do you have any comments on my previous mail? I still think the issue is
unclear.

Regards,

Christer
 

> -----Original Message-----
> From: Christer Holmberg (JO/LMF) 
> [mailto:christer.holmberg at ericsson.com] 
> Sent: 9. elokuuta 2006 10:28
> To: Even, Roni; avt at ietf.org
> Subject: RE: [AVT] RFC2429-bis-09: Usage of INTERLACE parameter
> 
> 
> Hi,
> 
> Another issue. 
> 
> >The interlace parameter without profile means that the this
> functionality is supported without relationship to a specific 
> >profile.
> 
> The draft says that if no profile is specified, profile 0 is assumed.
> 
> Regards,
> 
> Christer
> 
> 
> 
> 
>  
> 
> > -----Original Message-----
> > From: Christer Holmberg (JO/LMF)
> [mailto:christer.holmberg at ericsson.com]
> > Sent: Tuesday, August 08, 2006 4:45 PM
> > To: avt at ietf.org
> > Subject: [AVT] RFC2429-bis-09: Usage of INTERLACE parameter
> > 
> > 
> > Hi,
> > 
> > I have a comment on draft-ietf-avt-rfc2429-bis-09.txt.
> > 
> > Chapter 8.1.2 defines the PROFILE, LEVEL and INTERLACE parameters.
> > 
> > The chapter also says: "The optional parameters PROFILE and LEVEL
> SHALL
> > NOT be used with any of the other optional parameters."
> > 
> > Now, I understand that one shall not use PROFILE and LEVEL together
> with
> > the QCIF, CIF parameters etc. But, as the text is written 
> now you are 
> > not allowed to use PROFILE and LEVEL with INTERLACE either. 
> Isn't that
> 
> > wrong?
> > 
> > Currently, if I remember correctly, interlacing is an option in
> profile
> > 7, and you would need the INTERLACE parameter to indicate whether to
> use
> > it or not.
> > 
> > I also think the following text is a little confusing:
> > 
> > "This parameter, if supported SHALL have the values "1".  If not 
> > supported, it should not be listed or SHALL have the value "0"
> > 
> > Shouldn't it say "This functionality" instead of "This parameter"?
> > Because, if you don't support a parameter it's quite obvious you are
> not
> > going to list it...
> > 
> > Regards,
> > 
> > Christer
> > 
> > _______________________________________________
> > Audio/Video Transport Working Group
> > avt at ietf.org
> > https://www1.ietf.org/mailman/listinfo/avt
> 
> _______________________________________________
> Audio/Video Transport Working Group
> avt at ietf.org
> https://www1.ietf.org/mailman/listinfo/avt
> 

_______________________________________________
Audio/Video Transport Working Group
avt at ietf.org
https://www1.ietf.org/mailman/listinfo/avt