fix div by zero

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13669 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/switch_ivr_play_say.c b/src/switch_ivr_play_say.c
index d0c6b7fd1dfc500a0074f2d0c41fb4cfd2a596d9..c40c20af340adb0c0b1be18ea787f31c3ead4d09 100644 (file)
--- a/src/switch_ivr_play_say.c
+++ b/src/switch_ivr_play_say.c
@@ -1379,7 +1379,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_play_file(switch_core_session_t *sess
 
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "done playing file\n");
                
-               switch_channel_set_variable_printf(channel, "playback_ms", "%d", fh->samples_out / read_impl.samples_per_second);
+               if (read_impl.samples_per_second) switch_channel_set_variable_printf(channel, "playback_ms", "%d", fh->samples_out / read_impl.samples_per_second);
                switch_channel_set_variable_printf(channel, "playback_samples", "%d", fh->samples_out);
 
                switch_core_file_close(fh);