[vala/0.52] Partly revert "gstreamer: Update from 1.19.0+ git master"

[Rico Tzschichholz <ricotz src gnome org>]

commit 873c879367d1a4d7265e32dda55d4c01d5dd957b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Aug 9 08:11:04 2021 +0200

    Partly revert "gstreamer: Update from 1.19.0+ git master"
    
    This partly reverts commit e1f0316ba4fba6e47f91fbe447ab8e6db038a54b.
    
    Fixes https://gitlab.gnome.org/GNOME/vala/issues/1210

 vapi/gstreamer-audio-1.0.vapi | 3 +++
 vapi/gstreamer-video-1.0.vapi | 4 ++++
 2 files changed, 7 insertions(+)
---
diff --git a/vapi/gstreamer-audio-1.0.vapi b/vapi/gstreamer-audio-1.0.vapi
index a98c6211f..1c33ba86f 100644
--- a/vapi/gstreamer-audio-1.0.vapi
+++ b/vapi/gstreamer-audio-1.0.vapi
@@ -366,6 +366,8 @@ namespace Gst {
                        public bool convert (Gst.Format src_fmt, int64 src_val, Gst.Format dest_fmt, out 
int64 dest_val);
                        public Gst.Audio.Info copy ();
                        public void free ();
+                       public bool from_caps (Gst.Caps caps);
+                       public void init ();
                        [Version (since = "1.2")]
                        public bool is_equal (Gst.Audio.Info other);
                        public void set_format (Gst.Audio.Format format, int rate, int channels, [CCode 
(array_length = false)] Gst.Audio.ChannelPosition position[64]);
@@ -537,6 +539,7 @@ namespace Gst {
                        public int n_planes;
                        public void* planes;
                        public weak Gst.Buffer buffer;
+                       public bool map (Gst.Audio.Info info, Gst.Buffer gstbuffer, Gst.MapFlags flags);
                        public void unmap ();
                }
                [CCode (cheader_filename = "gst/audio/audio.h", has_type_id = false)]
diff --git a/vapi/gstreamer-video-1.0.vapi b/vapi/gstreamer-video-1.0.vapi
index db41717ea..15248f47d 100644
--- a/vapi/gstreamer-video-1.0.vapi
+++ b/vapi/gstreamer-video-1.0.vapi
@@ -392,6 +392,8 @@ namespace Gst {
                        public Gst.Video.Info copy ();
                        [Version (since = "1.6")]
                        public void free ();
+                       public bool from_caps (Gst.Caps caps);
+                       public void init ();
                        public bool is_equal (Gst.Video.Info other);
                        public bool set_format (Gst.Video.Format format, uint width, uint height);
                        [Version (since = "1.16")]
@@ -798,6 +800,8 @@ namespace Gst {
                        public Gst.MapInfo map_info[4];
                        public bool copy (Gst.Video.Frame src);
                        public bool copy_plane (Gst.Video.Frame src, uint plane);
+                       public bool map (Gst.Video.Info info, Gst.Buffer buffer, Gst.MapFlags flags);
+                       public bool map_id (Gst.Video.Info info, Gst.Buffer buffer, int id, Gst.MapFlags 
flags);
                        public void unmap ();
                }
                [CCode (cheader_filename = "gst/video/video.h", has_type_id = false)]