From 3de5fd4342fae40e43c8b0574b3e2e2dbe9d13d1 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Fri, 27 Oct 2017 09:51:29 +0200
Subject: [PATCH] gst-play: Prevent disabling all streams

This would have bad effects :)
---
 tools/gst-play.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/gst-play.c b/tools/gst-play.c
index fcca5b7dec..70c9c6bc5b 100644
--- a/tools/gst-play.c
+++ b/tools/gst-play.c
@@ -1259,8 +1259,11 @@ play_cycle_track_selection (GstPlay * play, GstPlayTrackType track_type)
     g_mutex_unlock (&play->selection_lock);
 
     if (play->is_playbin3) {
-      gst_element_send_event (play->playbin,
-          gst_event_new_select_streams (selected_streams));
+      if (selected_streams)
+        gst_element_send_event (play->playbin,
+            gst_event_new_select_streams (selected_streams));
+      else
+        g_print ("Can't disable all streams !\n");
     } else {
       g_object_set (play->playbin, prop_cur, cur, NULL);
     }