init buffer in lead out on speak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13787 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/switch_ivr_play_say.c b/src/switch_ivr_play_say.c
index 6b80abc03af0b4c080bea21ef14ac15c9aed0e69..585879d47408a1d399ac6312d3344561d901490e 100644 (file)
--- a/src/switch_ivr_play_say.c
+++ b/src/switch_ivr_play_say.c
@@ -1888,6 +1888,9 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_speak_text_handle(switch_core_session
                status = switch_core_speech_read_tts(sh, abuf, &ilen, &flags);
 
                if (status != SWITCH_STATUS_SUCCESS) {
+                       write_frame.datalen = (uint32_t) codec->implementation->decoded_bytes_per_packet;
+                       write_frame.samples = (uint32_t) (write_frame.datalen / 2);
+                       memset(write_frame.data, 0, write_frame.datalen);
                        for (x = 0; !done && x < lead_in_out; x++) {
                                switch_yield(codec->implementation->microseconds_per_packet);
                                if (timer) {