Gilles Mazoyer wrote:
Hi
I'm developping a channel module to add support for telephony on modem
HW553 running OpenWrt.
My project is hosted on github https://github.com/pgid69/bcm63xx-phone.
Today the channel seems to work but i'm not sure that it's very efficient.
So I wanted to known if there is guideline for developping a channel module
More specifically
- does my channel module must provide a file descriptor to Asterisk,
used in ast_waitfor() ?
All channel modules but chan_local provide at least one file descriptor
(calling ast_channel_set_fd());
- should my channel pass audio data that it receives as fast as possible
to Asterisk (using ast_queue_frame()) or should it wait that asterisk
call the read callback ?
You can use either mechanism and which is right depends on the
underlying channel driver. If you put a file descriptor on the channel
then when there is data to be read your read callback will be called. If
you don't then you have to queue up the frames.
--
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org
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