[Standards] Image preview in file transfer (XEP-0096)

[Detlev Casanova]

On Sunday 23 December 2007 13:15:55 Olivier Goffart wrote:
> Le vendredi 21 décembre 2007, Detlev Casanova a écrit :
> > Hi all,
> > I would like to know if there is a way to send a preview of a file (in
> > most cases, images) through the first stanza for the stream initiation.
> >
> > Something like
> > <iq type='set' id='offer1' to='receiver at jabber.org/resource'>
> >   <si xmlns='http://jabber.org/protocol/si'
> >       id='a0'
> >       mime-type='text/plain'
> >       profile='http://jabber.org/protocol/si/profile/file-transfer'>
> >     <file xmlns='http://jabber.org/protocol/si/profile/file-transfer'
> >           name='test.png'
> >           size='1022'>
> >     <preview>[Binary data]</preview>
> >     </file>
> >     <feature xmlns='http://jabber.org/protocol/feature-neg'>
> >       <x xmlns='jabber:x:data' type='form'>
> >         <field var='stream-method' type='list-single'>
> >
> > <option><value>http://jabber.org/protocol/bytestreams</value></option>
> > <option><value>http://jabber.org/protocol/ibb</value></option> </field>
> >       </x>
> >     </feature>
> >   </si>
> > </iq>
> >
> > This way, a preview of the file can be shown when the user is asked for
> > the transfer.
>
> In Kopete we use exactly this :
>
> http://www.xmpp.org/extensions/inbox/file-preview.html
>
> But it has not been approuved as a XEP because the base 64 data may be too
> large.
>
> For me anyway this is not larger that the one in the vcard, and is a simple
> way to do this, considered the fact that alternatives doesn't exist in
> practice yet.

Interresting... :)
How much time does it takes in most cases for this status to JEP ?


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