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mod_fifo: Explain session message unbridge constant

This commit is contained in:
Travis Cross 2014-05-27 17:33:05 -05:00
parent 144fea57b2
commit 00b25baa42
1 changed files with 8 additions and 0 deletions
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8
src/mod/applications/mod_fifo/mod_fifo.c
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@ -1190,6 +1190,14 @@ static switch_status_t messagehook (switch_core_session_t *session, switch_core_
case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
if (msg->numeric_arg == 42) {
/* See audio_bridge_thread() for source of 42 constant. */
/* When a session is interrupted to execute an application
(e.g. by uuid_execute) we need to tell everything in FS
to unbridge the channel (e.g. to turn on the
jitterbuffer) but we need mod_fifo not to see the
unbridge because we don't want fifo to stop tracking
the call. So this magic number is a complete hack to
make this happen. So we ignore it here and simply fall
through. */
goto end;
}
if ((caller_session = switch_core_session_locate(msg->string_arg))) {