[asterisk-bugs] [JIRA] (ASTERISK-26562) Transmit Silence on ControlPlayback pause

[Mikheili Dautashvili (JIRA)]

Mikheili Dautashvili created ASTERISK-26562:
-----------------------------------------------

             Summary: Transmit Silence on ControlPlayback pause
                 Key: ASTERISK-26562
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26562
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Applications/app_controlplayback
    Affects Versions: 13.12.1
         Environment: Debian jessie/sid
            Reporter: Mikheili Dautashvili


It's a good idea if Asterisk would be able to transmit silence when pausing ControlPlayback application.

Currently it stops transmiting RTP stream, though transmit_silence = yes is enabled in asterisk.conf
Tested only for 13.12.1 version. 


Bellow is a patch that fix this issue.

{code}

--- app.c.orig  2016-11-07 06:14:26.017973000 -0500
+++ app.c       2016-11-07 06:06:13.889973000 -0500
@@ -1074,6 +1074,8 @@
        long pause_restart_point = 0;
        long offset = 0;

+   struct ast_silence_generator *silgen = NULL;
+
        if (!file) {
                return -1;
        }
@@ -1161,6 +1163,9 @@

                if ((suspend && strchr(suspend, res)) || res == AST_CONTROL_STREAM_SUSPEND) {
                        pause_restart_point = ast_tellstream(ast_channel_stream(chan));
+         if (ast_opt_transmit_silence) {
+            silgen = ast_channel_start_silence_generator(chan);
+         }
                        ast_test_suite_event_notify("PLAYBACK","Channel: %s\r\n"
                                "Control: %s\r\n",
                                ast_channel_name(chan),
@@ -1171,6 +1176,9 @@
                                        continue;
                                } else if (res == -1 || (suspend && strchr(suspend, res)) || (stop && strchr(stop, res))
                                                || res == AST_CONTROL_STREAM_SUSPEND || res == AST_CONTROL_STREAM_STOP) {
+               if (silgen) {
+                  ast_channel_stop_silence_generator(chan, silgen);
+               }
                                        break;
                                }
                        }

{code}






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