main/app.c: Transmit Silence on ControlPlayback pause

ASTERISK-26562 #close

Change-Id: Ie6cb0ffc2b8c775639ce7784fe96f4ea00cfa2f8

diff --git a/main/app.c b/main/app.c
index a89e5b06f90d4e6b99841d17366075411aff4f57..58aa3a0fd9f8ea3e23b5f204649d374b044bdfce 100644 (file)
--- a/main/app.c
+++ b/main/app.c
@@ -1073,6 +1073,7 @@ static int control_streamfile(struct ast_channel *chan,
        int res;
        long pause_restart_point = 0;
        long offset = 0;
+       struct ast_silence_generator *silgen = NULL;
 
        if (!file) {
                return -1;
@@ -1161,6 +1162,10 @@ static int control_streamfile(struct ast_channel *chan,
 
                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),
@@ -1174,6 +1179,11 @@ static int control_streamfile(struct ast_channel *chan,
                                        break;
                                }
                        }
+                       if (silgen) {
+                               ast_channel_stop_silence_generator(chan, silgen);
+                               silgen = NULL;
+                       }
+
                        if ((suspend && (res == *suspend)) || res == AST_CONTROL_STREAM_SUSPEND) {
                                res = 0;
                                ast_test_suite_event_notify("PLAYBACK","Channel: %s\r\n"