[vala/0.42] gstreamer: Update from 1.15+ git master

[Rico Tzschichholz <ricotz src gnome org>]

commit 58372e1b513cb6f00281fe426f5aa5f8bafc5909
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Dec 5 08:08:29 2018 +0100

    gstreamer: Update from 1.15+ git master

 vapi/gstreamer-audio-1.0.vapi | 2 ++
 vapi/gstreamer-video-1.0.vapi | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/vapi/gstreamer-audio-1.0.vapi b/vapi/gstreamer-audio-1.0.vapi
index f31324f0c..82310908c 100644
--- a/vapi/gstreamer-audio-1.0.vapi
+++ b/vapi/gstreamer-audio-1.0.vapi
@@ -215,6 +215,8 @@ namespace Gst {
                        public void set_max_errors (int num);
                        public void set_min_latency (Gst.ClockTime num);
                        public void set_needs_format (bool enabled);
+                       [Version (since = "1.16")]
+                       public bool set_output_caps (Gst.Caps caps);
                        public bool set_output_format (Gst.Audio.Info info);
                        public void set_plc (bool enabled);
                        public void set_plc_aware (bool plc);
diff --git a/vapi/gstreamer-video-1.0.vapi b/vapi/gstreamer-video-1.0.vapi
index acfd7ff38..334baa30f 100644
--- a/vapi/gstreamer-video-1.0.vapi
+++ b/vapi/gstreamer-video-1.0.vapi
@@ -992,7 +992,8 @@ namespace Gst {
                        NV12_10LE32,
                        NV16_10LE32,
                        NV12_10LE40,
-                       Y210
+                       Y210,
+                       Y410
                }
                [CCode (cheader_filename = "gst/video/video.h", cprefix = "GST_VIDEO_FORMAT_FLAG_", type_id = 
"gst_video_format_flags_get_type ()")]
                [Flags]