From fd100261f3e9926e83dfa77847028236027fb7cb Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Mon, 13 Feb 2012 16:42:42 +0000
Subject: [PATCH] Don't try to play sound files that do not exist.

(closes issue ASTERISK-19188)
Reported by: slesru
........

Merged revisions 354938 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@354939 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 apps/app_confbridge.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/apps/app_confbridge.c b/apps/app_confbridge.c
index 207aa4a09e..96d1d51d64 100644
--- a/apps/app_confbridge.c
+++ b/apps/app_confbridge.c
@@ -614,7 +614,7 @@ static int announce_user_count(struct conference_bridge *conference_bridge, stru
 				"")) {
 				return -1;
 			}
-		} else {
+		} else if (ast_fileexists(there_are, NULL, NULL) && ast_fileexists(other_in_party, NULL, NULL)) {
 			play_sound_file(conference_bridge, there_are);
 			play_sound_number(conference_bridge, conference_bridge->users - 1);
 			play_sound_file(conference_bridge, other_in_party);
@@ -1147,6 +1147,12 @@ static int play_sound_helper(struct conference_bridge *conference_bridge, const
 {
 	struct ast_channel *underlying_channel;
 
+	/* Do not waste resources trying to play files that do not exist */
+	if (!ast_fileexists(filename, NULL, NULL)) {
+		ast_log(LOG_WARNING, "File %s does not exist in any format\n", filename);
+		return 0;
+	}
+
 	ast_mutex_lock(&conference_bridge->playback_lock);
 	if (!(conference_bridge->playback_chan)) {
 		if (alloc_playback_chan(conference_bridge)) {