[vala/staging] gstreamer: Update from 1.17.0+ git master

[Rico Tzschichholz <ricotz src gnome org>]

commit b942a9435d893e06af0a10983521a51eff78f57f
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Jan 20 20:08:00 2020 +0100

    gstreamer: Update from 1.17.0+ git master

 vapi/gstreamer-pbutils-1.0.vapi     | 2 ++
 vapi/gstreamer-rtsp-server-1.0.vapi | 2 ++
 2 files changed, 4 insertions(+)
---
diff --git a/vapi/gstreamer-pbutils-1.0.vapi b/vapi/gstreamer-pbutils-1.0.vapi
index 3b2045374..bcefeba21 100644
--- a/vapi/gstreamer-pbutils-1.0.vapi
+++ b/vapi/gstreamer-pbutils-1.0.vapi
@@ -204,6 +204,7 @@ namespace Gst {
                        public unowned string get_preset ();
                        public unowned string get_preset_name ();
                        public Gst.Caps get_restriction ();
+                       [Version (since = "1.18")]
                        public bool get_single_segment ();
                        public unowned string get_type_nick ();
                        public bool is_enabled ();
@@ -218,6 +219,7 @@ namespace Gst {
                        public void set_preset (string? preset);
                        public void set_preset_name (string? preset_name);
                        public void set_restriction (owned Gst.Caps? restriction);
+                       [Version (since = "1.18")]
                        public void set_single_segment (bool single_segment);
                        [NoAccessorMethod]
                        public Gst.Caps restriction_caps { owned get; set; }
diff --git a/vapi/gstreamer-rtsp-server-1.0.vapi b/vapi/gstreamer-rtsp-server-1.0.vapi
index 341cf879e..8553645fa 100644
--- a/vapi/gstreamer-rtsp-server-1.0.vapi
+++ b/vapi/gstreamer-rtsp-server-1.0.vapi
@@ -137,6 +137,8 @@ namespace Gst {
                        [NoAccessorMethod]
                        public bool drop_backlog { get; set; }
                        public Gst.RTSPServer.MountPoints mount_points { owned get; set; }
+                       [NoAccessorMethod]
+                       public int post_session_timeout { get; set; }
                        public Gst.RTSPServer.SessionPool session_pool { owned get; set; }
                        public virtual signal void announce_request (Gst.RTSPServer.Context ctx);
                        [Version (since = "1.6")]