[vala/0.36: 207/212] gstreamer: Cherry-pick some fixes from 0.40

[Rico Tzschichholz <ricotz src gnome org>]

commit db89a1e6133b1b3fe70004fc5dd801193abb9632
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Apr 6 17:38:13 2018 +0200

    gstreamer: Cherry-pick some fixes from 0.40

 vapi/gstreamer-audio-1.0.vapi   |    1 -
 vapi/gstreamer-pbutils-1.0.vapi |    2 +-
 vapi/gstreamer-video-1.0.vapi   |    2 --
 3 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/vapi/gstreamer-audio-1.0.vapi b/vapi/gstreamer-audio-1.0.vapi
index 130bde3..2467bf1 100644
--- a/vapi/gstreamer-audio-1.0.vapi
+++ b/vapi/gstreamer-audio-1.0.vapi
@@ -348,7 +348,6 @@ namespace Gst {
                        public size_t size;
                        public Gst.Audio.RingBufferSpec spec;
                        public int state;
-                       public Gst.ClockTime timestamps;
                        public int waiting;
                        [CCode (has_construct_function = false)]
                        protected RingBuffer ();
diff --git a/vapi/gstreamer-pbutils-1.0.vapi b/vapi/gstreamer-pbutils-1.0.vapi
index 0be4f00..d6d009e 100644
--- a/vapi/gstreamer-pbutils-1.0.vapi
+++ b/vapi/gstreamer-pbutils-1.0.vapi
@@ -183,7 +183,7 @@ namespace Gst {
                        [CCode (has_construct_function = false)]
                        protected EncodingProfile ();
                        public Gst.PbUtils.EncodingProfile copy ();
-                       public static Gst.PbUtils.EncodingProfile find (string targetname, string 
profilename, string? category);
+                       public static Gst.PbUtils.EncodingProfile find (string targetname, string? 
profilename, string? category);
                        public static Gst.PbUtils.EncodingProfile from_discoverer (Gst.PbUtils.DiscovererInfo 
info);
                        public bool get_allow_dynamic_output ();
                        public unowned string get_description ();
diff --git a/vapi/gstreamer-video-1.0.vapi b/vapi/gstreamer-video-1.0.vapi
index 1e28757..5291f1b 100644
--- a/vapi/gstreamer-video-1.0.vapi
+++ b/vapi/gstreamer-video-1.0.vapi
@@ -24,13 +24,11 @@ namespace Gst {
                [GIR (name = "VideoCodecFrame")]
                public class CodecFrame {
                        public Gst.ClockTime deadline;
-                       public uint32 decode_frame_number;
                        public int distance_from_sync;
                        public Gst.ClockTime dts;
                        public Gst.ClockTime duration;
                        public weak Gst.Buffer input_buffer;
                        public weak Gst.Buffer output_buffer;
-                       public uint32 presentation_frame_number;
                        public Gst.ClockTime pts;
                        public uint32 system_frame_number;
                        [CCode (simple_generics = true)]