A media bug is a way to get a channel's audio inside a module, you can have read, write and read_replace/write_replace bugs (those can actually change the audio).

Its what record_session uses to be able to record the call to a file while its executing other applications.
Other examples are... tone_detect, start_dtmf, eavesdrop...

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200




On 1-Mar-10, at 7:31 PM, Peder wrote:

What’s a “media bug”?
 
From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Michael Collins
Sent: Monday, March 01, 2010 6:15 PM
To: freeswitch-users@lists.freeswitch.org
Subject: Re: [Freeswitch-users] Detecting Energy Levels on a Channel with mod_lua
 

 

On Mon, Mar 1, 2010 at 2:59 PM, Mathieu Rene <mrene_lists@avgs.ca> wrote:
An easy way is to do an average of the absolute value of each L16 sample over a period of time. Im not quite sure how to access audio channels from within Lua but if you are in C you can use switch_core_session_read_frame() to get audio frames.

Show off! :) Related question: do media bugs allow you to access this kind of information? Just curious...
-MC
 
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