From: Sean Bright <sean.bright@gmail.com>
Date: Sat, 23 Sep 2017 17:32:26 +0000 (-0400)
Subject: app_stream_echo: Don't echo declined streams
X-Git-Tag: 16.0.0-rc1~795^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0fad11f21c309b44ada3572f593b6dd6588baa28;p=thirdparty%2Fasterisk.git

app_stream_echo: Don't echo declined streams

Discovered while experimenting with Cyber Mega Phone 2K Ultimate Dynamic
Edition after accepting the audio request but declining the video one.

Change-Id: Iaa86d41fccfbc1b559a30ccf740d78a3b5f8a98c
---

diff --git a/apps/app_stream_echo.c b/apps/app_stream_echo.c
index 9695dcc872..717ed1c886 100644
--- a/apps/app_stream_echo.c
+++ b/apps/app_stream_echo.c
@@ -249,6 +249,11 @@ static struct ast_stream_topology *stream_echo_topology_alloc(
 			continue;
 		}
 
+		if (ast_stream_get_state(stream) == AST_STREAM_STATE_REMOVED) {
+			/* Don't copy removed/declined streams */
+			continue;
+		}
+
 		do {
 			stream = ast_stream_clone(stream, NULL);