FS-5229 --resolve oops, i missed the part that its subsequent calls to displace

diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index 1e1e10eeaa3d6548ccf35777094100b053f131e1..e2ef526af8ce3840edc657c769e3dea3a42fbb49 100644 (file)
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -844,8 +844,9 @@ static switch_bool_t write_displace_callback(switch_media_bug_t *bug, void *user
                                }
                        } else {
                                st = switch_core_file_read(&dh->fh, rframe->data, &len);
-                               rframe->samples = (uint32_t) len;
-                               rframe->datalen = rframe->samples * 2;
+                               if (len < rframe->samples) {
+                                       memset(rframe->data, 0, rframe->datalen - len * 2);
+                               }
                        }
 
                        if (st != SWITCH_STATUS_SUCCESS || len == 0) {