Re: [MMUSIC] Review of 4566bis

"Roni Even" <ron.even.tlv@gmail.com> Mon, 01 June 2015 21:39 UTC

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From: "Roni Even" <ron.even.tlv@gmail.com>
To: "'Paul Kyzivat'" <pkyzivat@alum.mit.edu>, <mmusic@ietf.org>
References: <7594FB04B1934943A5C02806D1A2204B1D873B05@ESESSMB209.ericsson.se> <556B4841.605@alum.mit.edu>
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Date: Tue, 2 Jun 2015 00:39:17 +0300
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Subject: Re: [MMUSIC] Review of 4566bis
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Hi,
I do not think that general media level overrides session level value works
for the b= attribute
Roni

> -----Original Message-----
> From: mmusic [mailto:mmusic-bounces@ietf.org] On Behalf Of Paul Kyzivat
> Sent: 31 May, 2015 8:43 PM
> To: mmusic@ietf.org
> Subject: Re: [MMUSIC] Review of 4566bis
> 
> On 5/31/15 9:38 AM, Christer Holmberg wrote:
> 
> Good list Christer!
> 
> I have comments on a few of your issues:
> 
> > Q6_2:
> >
> > In some of the sub-sections, it is indicated that a media-level
> > attribute value overrides a session-level attribute value. As far as I
> > know, that applies to all attributes (that can be present both on the
> > session-level and media-level), so there should be a generic statement
> > about that.
> >
> > This is similar to the comment on the c= line.
> 
> I used to think this, but I think there are some exceptions. (But I don't
offhand
> remember what they are.)
> 
> > Section 6.7:
> >
> > ---------------
> >
> > Q6-7_1:
> >
> > The text says:
> >
> >     "If any one of these appears in a media section then it applies
> > for
> >
> >     that media section.  If none appear in a media section then the
> > one
> >
> >     from session level, if any, applies to that media section."
> >
> > There should be a general statement in the draft about session level
> > information applying to the media level.
> 
> I wish there could be a general statement, but it is hard, given
exceptions.
> Perhaps there could be a general statement with note that it can be
overridden
> in particular cases.
> 
> But in any case, *this* is different, because it says that the presence of
any
> *one* of four different attributes at media level overrides the presence
of any
> one of those four at session level.
> 
> > Section 6.11:
> >
> > -----------------
> >
> > The text says that the attribute "specifies the language" of the
> > session description.
> >
> > There has been some confusion about what that really means, so I think
> > it would be good to clarify that it applies to any textual information
> > that may be provided within the description.
> >
> > It would also be good to explicitly indicate that the attribute is not
> > related to languages used in the actual media streams.
> 
> +1
> 
> 	Thanks,
> 	Paul
> 
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