[Freeswitch-dev] hooked functions are not called while using one single session

[Anthony Minessale]

What exactly is your goal?

those hooks will probably only be called if you send the channel to do
something that
requires reading and writing audio.


On Tue, Mar 16, 2010 at 6:47 AM, Francisco Scaramanga <scaram at hotmail.de>wrote:

>  Hello,
> I am writing my own freeswitch module and have implemented 2 hooks for
> reading and writing audio (I did not implement the endpoint interface).
> My problem is that the channel_write_frame and channel_read_frame
> callback-functions are only called if I make an intercept with another
> session (switch_ivr_intercept_session), but my usecase has only one single
> Session for getting and putting audio data in my module.
>
> How can I achieve this?
> scaram
>
> /* on channel init I answer the session and set hooks */
> static switch_status_t channel_on_init(switch_core_session_t *session)
> {
>     switch_channel_t *channel = switch_core_session_get_channel(session);
>     switch_channel_answer(channel);
>
>     switch_channel_set_state(channel, CS_EXCHANGE_MEDIA);
>     switch_set_flag(tech_pvt, TFLAG_IO);
>
>     switch_core_event_hook_add_write_frame(session, &channel_write_frame);
>     switch_core_event_hook_add_read_frame(session, &channel_read_frame);
> }
>
> static switch_status_t channel_write_frame(switch_core_session_t *session,
> switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
> {
>     /* is only called when I intercept 2 Sessions */
> }
> static switch_status_t channel_read_frame(switch_core_session_t *session,
> switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
> {
>     /* is only called when I intercept 2 Sessions */
> }
>
>
>
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-- 
Anthony Minessale II

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