Re: [asterisk-users] streaming meetme conference

2009-09-10 Thread Boehm, Matthew
Evan,

Thanks for the link to the comments page. I was able to get ezstream to compile 
and created the ices command that piped the stdin audio from the conference 
room to lame then send it to icecast via ezstream.

Problem is, all you hear is static. I just have 1 member in the conference 
room, the streamer, so MoH is playing. All I hear on the stream is pure static.

How can I be sure that I'm not feeding lame something it can't understand? I'm 
sure lame can't understand g729 or alaw or something else I may have on. How do 
I make sure I'm sending it pcm?

Thanks,
Matthew

 -Original Message-
 From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-
 boun...@lists.digium.com] On Behalf Of Ivan Stepaniuk
 Sent: Wednesday, September 09, 2009 6:54 PM
 To: Asterisk Users Mailing List - Non-Commercial Discussion
 Subject: Re: [asterisk-users] streaming meetme conference
 
 Boehm, Matthew wrote:
 
  1.   icecast only supports OGG/Vorbis and neither iTunes nor WMP
  can play that format natively.
 
 AFAIK, icecast also supports mp3 streaming too, you could create an m3u
 playlist with the stream path, that would be enough to trigger your
 users' WMP. You could also embed the WMP object (I hate that so much!).
 My two (sightly off-topic) cents.
 
 --
 Ivan Stepaniuk
 Alba Fotónica S.L.
 www.albafotonica.com

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Re: [asterisk-users] streaming meetme conference

2009-09-10 Thread Evan P. Hall
You can check the read/write format of the channel from the CLI.  Do a 'show 
channels' to see the channel name of the channel in your meetme.  Then 'show 
channel xxx' using the channel id from first step.  It will show you the read 
and write formats for the channel.  My channel is a Local channel from a call 
file and it always shows 'slin' for format.

-Evan

-Original Message-
From: Boehm, Matthew [mailto:mbo...@theplanet.com] 
Sent: Thursday, September 10, 2009 9:27 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Cc: Ivan Stepaniuk; Evan P. Hall
Subject: RE: [asterisk-users] streaming meetme conference

Evan,

Thanks for the link to the comments page. I was able to get ezstream to compile 
and created the ices command that piped the stdin audio from the conference 
room to lame then send it to icecast via ezstream.

Problem is, all you hear is static. I just have 1 member in the conference 
room, the streamer, so MoH is playing. All I hear on the stream is pure static.

How can I be sure that I'm not feeding lame something it can't understand? I'm 
sure lame can't understand g729 or alaw or something else I may have on. How do 
I make sure I'm sending it pcm?

Thanks,
Matthew

 -Original Message-
 From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-
 boun...@lists.digium.com] On Behalf Of Ivan Stepaniuk
 Sent: Wednesday, September 09, 2009 6:54 PM
 To: Asterisk Users Mailing List - Non-Commercial Discussion
 Subject: Re: [asterisk-users] streaming meetme conference
 
 Boehm, Matthew wrote:
 
  1.   icecast only supports OGG/Vorbis and neither iTunes nor WMP
  can play that format natively.
 
 AFAIK, icecast also supports mp3 streaming too, you could create an m3u
 playlist with the stream path, that would be enough to trigger your
 users' WMP. You could also embed the WMP object (I hate that so much!).
 My two (sightly off-topic) cents.
 
 --
 Ivan Stepaniuk
 Alba Fotónica S.L.
 www.albafotonica.com

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[asterisk-users] streaming meetme conference

2009-09-09 Thread Boehm, Matthew
Hello,

Our 500+ company is slowly moving away from our hosted conferencing
solution to one I built a few weeks ago with Asterisk and MeetMe.  When
our Q3 conference call comes around, we will have the need to have
approximately 300-400 users in this call. Obviously, all would be
'listen only' mode and only 1 or 2 two would be speaking as marked/admin
users.

 

Our conference hosting provider was able to stream our calls to the web
so that lessened the number of calls into the bridge. I'd like to
accomplish the same thing with Asterisk.

 

I got Icecast and app_ices() up and working fine, streaming the
conference, but I ran into three serious issues:

1.   icecast only supports OGG/Vorbis and neither iTunes nor WMP can
play that format natively.

2.   A considerable delay of close to 45 seconds over the stream

3.   Every x seconds, it sounded like a packet or two of speech was
being dropped even though VLC reported no packet loss

 

My work computer and the asterisk server are on the same network so
network latency isn't the issue for #2 and #3.

 

Has anyone successfully setup meetme streaming in the manner I have
described? Were you able to stream WAV or MP3? Did you experience the 45
second delay?

 

Cheers and T.I.A!

 

-Matthew

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Re: [asterisk-users] streaming meetme conference

2009-09-09 Thread Evan P. Hall
On Wed, Sep 9, 2009 at 2:26 PM, Matthew Boehm wrote:

 Our conference hosting provider was able to stream our calls to the
 web so that lessened the number of calls into the bridge. I'd like
 to accomplish the same thing with Asterisk.
 
 I got Icecast and app_ices() up and working fine, streaming the
 conference, but I ran into three serious issues:
 1. icecast only supports OGG/Vorbis and neither iTunes nor WMP can
 play that format natively.

We frequently stream meetme conferences in mp3.  The key was a helpful
comment on the voip-info wiki. See this link: 
http://www.voip-info.org/wiki/index.php?page_id=991comments_page=1#comm
ent_41349.

 2. A considerable delay of close to 45 seconds over the stream

There is always a bit of delay when streaming audio from asterisk or any
other source since both the sever client are doing some buffering.  Not
sure if there is a way to reduce this.

 3. Every x seconds, it sounded like a packet or two of speech was
 being dropped even though VLC reported no packet loss

We've not had that problem with the mp3 streams we do.

-Evan

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Re: [asterisk-users] streaming meetme conference

2009-09-09 Thread Ivan Stepaniuk
Boehm, Matthew wrote:

 1.   icecast only supports OGG/Vorbis and neither iTunes nor WMP 
 can play that format natively.

AFAIK, icecast also supports mp3 streaming too, you could create an m3u 
playlist with the stream path, that would be enough to trigger your 
users' WMP. You could also embed the WMP object (I hate that so much!).
My two (sightly off-topic) cents.

--
Ivan Stepaniuk
Alba Fotónica S.L.
www.albafotonica.com

___
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