13 Sep
2012
13 Sep
'12
11:19 p.m.
Hello,
On 09/11/2012 07:41 PM, Daniel-Constantin Mierla wrote:
Hello,
On 9/11/12 5:59 PM, Konstantin M. wrote:
Both ways sdp_get_attr function and PV class seem good to me.
I can create a class variable like $redis in redis module, but I find
several issues:
If we return several results then they are referred by an index:
$sdl(c=>IP[0]) $sdl(c=>IP[1]), then we could need a size function here.
If joining every result together makes no sense and we would rather to
show them within each stream, (e.g: showing a:fmtp) then having two
indexes is the way to go? (first one for the stream and second one for
the specific a:fmtp)
That assuming we only have one session (offer/answer model), if not
three indexes would be needed.
Another idea could be having two PV: $sdl_session $sdl_stream
Kind regards,
Vicente.
Hello Daniel
2012/9/11 Daniel-Constantin Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com>>
Hello,
I think that it would be better to have a generic function in the
configuration file like:
sdp_get_attr(line, attr, result)
Where line can be: m, c, o, etc ...
I'm agree with that
The attr can be: ip, port, ...
For the moment, this function will be a wrapper around the two
functions, so it supports:
- sdp_get_attr("m", "port", result)
- sdp_get_attr("c", "ip", result)
But how to specify a line if a multiple 'a' or 'm' will be in sdp body ?
it's the current behaviour, as I can see in the patches, it takes all
the values and adds them to an avp list.
So my proposal was not make a single function that can be controlled
via parameters, than lot of new functions.
When there will be a PV for it, there should be some indexes to access
specific lines.
Cheers,
Daniel
For example this one:
-------
a=recvonly
m=audio 49170 RTP/AVP 0
m=video 51372 RTP/AVP 31
m=application 32416 udp wb
a=orient:portrait
-------
or:
-------
m=audio 19000 RTP/AVP 0 101
a=recvonly
a=rtpmap:0 pcmu/8000
a=rtpmap:101 telephone-event/8000
-------
There are many attributes that can be returned, thus it can
results in dozens of the configuration file functions if we go
for one per attribute.
What do you think?
Also, at some point I should add a PV class for sdp access (if
nobody will do it meanwhile).
Cheers,
Daniel
On 9/11/12 11:51 AM, Vicente Hernando wrote:
--
Daniel-Constantin Mierla -http://www.asipto.com
http://twitter.com/#!/miconda -http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 -http://asipto.com/u/kat
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 -http://asipto.com/u/katu
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http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev Hello Konstantin,
attached patch provides a function that gets ports and stores
them in an AVP variable.
However, there are other approaches to create these functions:
- A function to return each parameter (sdp_get_ip_c,
sdp_get_port, etc)
- An only function sdp_get_address which return two AVP
variables, IP and port for each stream.
- A generic function sdp_get_stream_info which receives an enum
indicating what variable do you like and return it.
- Two functions: sdp_get_stream_count,
sdp_get_stream_info(stream_num, enum_variable, pseudo_variable)
First would get total number of streams (asuming one session in
offer/answer way), and second function would return that
variable value for a stream.
Daniel, as sdpops maintainer which approach would you rather?
Kind regards,
Vicente.
On 09/07/2012 04:37 PM, Konstantin M. wrote:
--
Daniel-Constantin Mierla -http://www.asipto.com
http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda>
-http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 -http://asipto.com/u/kat
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 -http://asipto.com/u/katu
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http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev Hi Vicente,
It's my personal but I think would be good to also have another
one function to extract a port of media stream.
Because of no 'sdp_get_ip_c' and no something like
'sdp_get_port_c' - I have to parse sdb body by python script
just to fetch IP/PORT of media stream...
2012/9/7 Vicente Hernando <vhernando(a)systemonenoc.com
<mailto:vhernando@systemonenoc.com>>
Hello,
attached patch shows a new function in sdpops module:
sdp_get_ip_c
It receives as parameter an avp variable, and stores there
every connection IP for each stream. If a stream has not c
IP, then it returns session default one.
Any opinion or criticism?
Kind regards,
Vicente.
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