[Freeswitch-dev] VAD, TALK and NOTALK events

[Matt Klein]

Cesar,
     Join back -- IRC.

m


On Wed, 13 Feb 2008, Cesar Cepeda wrote:

> Please correct me if I’m wrong.
>
>
>
> The events are indeed fired, but only if the SWITCH_VAD_FLAG_EVENTS_TALK or
> NOTALK flags are set for an rtp_session.   I found no place in the code
> where those flags are set.  That is what I meant by not  being “enabled”.
>
>
>
> I subscribed to the events and received nothing.  Then I set the flags on
> switch_rtp_enable_vad function, and then I started receiving the events.
> Perhaps there is another way of doing it that I’m missing.
>
>
>
> Cesar Cepeda.
>
>
>
>
>
>
>
> De: freeswitch-dev-bounces at lists.freeswitch.org
> [mailto:freeswitch-dev-bounces at lists.freeswitch.org] En nombre de Anthony
> Minessale
> Enviado el: Miércoles, 13 de Febrero de 2008 08:17
> Para: freeswitch-dev at lists.freeswitch.org
> Asunto: Re: [Freeswitch-dev] VAD, TALK and NOTALK events
>
>
>
> The events are fired.
> I don't know what you mean by "enabled"
>
> You can either bind an event to a callback
> in the load function of your custom module.
>
> or connect to mod_event_socket on tcp
> and request "events talk notalk"
>
> void my_event_handler(switch_event_t *event)
> {
>
> }
>
> if (switch_event_bind(modname, SWITCH_EVENT_TALK, SWITCH_EVENT_SUBCLASS_ANY,
> my_event_handler, NULL)
>        != SWITCH_STATUS_SUCCESS) {
>        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't
> bind!\n");
>        return SWITCH_STATUS_GENERR;
>    }
>
> if (switch_event_bind(modname, SWITCH_EVENT_NOTALK,
> SWITCH_EVENT_SUBCLASS_ANY, my_event_handler, NULL)
>        != SWITCH_STATUS_SUCCESS) {
>        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't
> bind!\n");
>        return SWITCH_STATUS_GENERR;
>    }
>
>
>
>
>
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
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>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com
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>
>
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>
>
>
> ----- Original Message ----
> From: Cesar Cepeda <cesar at auronix.com>
> To: freeswitch-dev at lists.freeswitch.org
> Sent: Tuesday, February 12, 2008 6:53:03 PM
> Subject: [Freeswitch-dev] VAD, TALK and NOTALK events
>
> Hi,
>
>> From looking at the code of switch_rtp.c  I can see that VAD is done if
> enabled in the sip profile in order to not send packets when there is no
> noise. There are also two events {TALK, NOTALK} which can be fired when VAD
> kicks in, nevertheless these two events are enabled nowhere (or at least I
> didn't find a place in the code where they were enabled), so no matter if
> you ask for them you don't receive them.  My questions are the following:
>
> Is there some particular reason for not enabling these two events?
> Is the event queue easily overflowed if these two events are enabled?
>
> Thanks.
>
> Cesar Cepeda.
>
>
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