From d3388d72ea6c3a41add67252025574dd386caff3 Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthony.minessale@gmail.com>
Date: Mon, 11 Jun 2007 21:44:41 +0000
Subject: [PATCH] add perpetual-sound option to conference

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5307 d0543943-73ff-0310-b7d9-9358b9ac24b2
---
 conf/conference.conf.xml                       |  2 ++
 .../mod_conference/mod_conference.c            | 18 ++++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/conf/conference.conf.xml b/conf/conference.conf.xml
index c5d05dabdb..526f22951e 100644
--- a/conf/conference.conf.xml
+++ b/conf/conference.conf.xml
@@ -62,6 +62,8 @@
       <!--<param name="unmuted-sound" value="unmuted.wav"/>-->
       <!-- File to play if you are alone in the conference -->
       <!--<param name="alone-sound" value="yactopitc.wav"/>-->
+      <!-- File to play endlessly (nobody will ever be able to talk) -->
+      <!--<param name="perpetual-sound" value="music.wav"/>-->
       <!-- File to play when you join the conference -->
       <!--<param name="enter-sound" value="welcome.wav"/>-->
       <!-- File to play when you leave the conference -->
diff --git a/src/mod/applications/mod_conference/mod_conference.c b/src/mod/applications/mod_conference/mod_conference.c
index 2d16e70c3e..bd203b3190 100644
--- a/src/mod/applications/mod_conference/mod_conference.c
+++ b/src/mod/applications/mod_conference/mod_conference.c
@@ -175,6 +175,7 @@ typedef struct conference_obj {
 	char *enter_sound;
 	char *exit_sound;
 	char *alone_sound;
+	char *perpetual_sound;
 	char *ack_sound;
 	char *nack_sound;
 	char *muted_sound;
@@ -516,7 +517,7 @@ static switch_status_t conference_add_member(conference_obj_t * conference, conf
 				if (conference->count >= conference->anounce_count && conference->anounce_count > 1) {
 					snprintf(msg, sizeof(msg), "There are %d callers", conference->count);
 					conference_member_say(member, msg, CONF_DEFAULT_LEADIN);
-				} else if (conference->count == 1) {
+				} else if (conference->count == 1 && !conference->perpetual_sound) {
 					if (conference->alone_sound) {
 						conference_play_file(conference, conference->alone_sound, CONF_DEFAULT_LEADIN, switch_core_session_get_channel(member->session), 0);
 					} else {
@@ -684,6 +685,10 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t * thread,
 		switch_size_t file_data_len = samples * 2;
 		int has_file_data = 0;
 
+		if (conference->perpetual_sound && !conference->fnode) {
+			conference_play_file(conference, conference->perpetual_sound, CONF_DEFAULT_LEADIN, NULL, 0);
+		}
+
 		/* Sync the conference to a single timing source */
 		if (switch_core_timer_next(&timer) != SWITCH_STATUS_SUCCESS) {
 			switch_set_flag(conference, CFLAG_DESTRUCT);
@@ -4536,6 +4541,7 @@ static conference_obj_t *conference_new(char *name, conf_xml_cfg_t cfg, switch_m
 	char *caller_id_number = NULL;
 	char *caller_controls = NULL;
 	char *member_flags = NULL;
+	char *perpetual_sound = NULL;
 	uint32_t max_members = 0;
 	uint32_t anounce_count = 0;
 	char *maxmember_sound = NULL;
@@ -4583,6 +4589,8 @@ static conference_obj_t *conference_new(char *name, conf_xml_cfg_t cfg, switch_m
 			exit_sound = val;
 		} else if (!strcasecmp(var, "alone-sound")) {
 			alone_sound = val;
+		} else if (!strcasecmp(var, "perpetual-sound")) {
+			perpetual_sound = val;
 		} else if (!strcasecmp(var, "ack-sound")) {
 			ack_sound = val;
 		} else if (!strcasecmp(var, "nack-sound")) {
@@ -4696,7 +4704,13 @@ static conference_obj_t *conference_new(char *name, conf_xml_cfg_t cfg, switch_m
 	conference->caller_id_name = switch_core_strdup(conference->pool, caller_id_name);
 	conference->caller_id_number = switch_core_strdup(conference->pool, caller_id_number);
 
-	conference->mflags = MFLAG_CAN_SPEAK | MFLAG_CAN_HEAR;
+
+	if (!switch_strlen_zero(perpetual_sound)) {
+		conference->perpetual_sound = switch_core_strdup(conference->pool, perpetual_sound);
+		conference->mflags = MFLAG_CAN_HEAR;
+	} else {
+		conference->mflags = MFLAG_CAN_SPEAK | MFLAG_CAN_HEAR;
+	}
 
 	if (member_flags) {
 		set_mflags(member_flags, &conference->mflags);