[vala] gstreamer-1.0: Backport some fixes from gstreamer 1.5/1.6 git

[Rico Tzschichholz <ricotz src gnome org>]

commit 5863943e78cd2d39f1ba1e3876c9b9d71a8e8718
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Mar 20 20:12:38 2015 +0100

    gstreamer-1.0: Backport some fixes from gstreamer 1.5/1.6 git

 vapi/gstreamer-1.0.vapi               |    6 +++---
 vapi/gstreamer-pbutils-1.0.vapi       |    2 +-
 vapi/gstreamer-video-1.0.vapi         |    2 +-
 vapi/metadata/Gst-1.0.metadata        |    5 +++++
 vapi/metadata/GstPbutils-1.0.metadata |    4 ++++
 vapi/metadata/GstVideo-1.0.metadata   |    6 +++++-
 6 files changed, 19 insertions(+), 6 deletions(-)
---
diff --git a/vapi/gstreamer-1.0.vapi b/vapi/gstreamer-1.0.vapi
index 2f3dfeb..e4f539c 100644
--- a/vapi/gstreamer-1.0.vapi
+++ b/vapi/gstreamer-1.0.vapi
@@ -3144,11 +3144,11 @@ namespace Gst {
        [CCode (cheader_filename = "gst/gst.h", has_target = false)]
        public delegate bool PadActivateModeFunction (Gst.Pad pad, Gst.Object parent, Gst.PadMode mode, bool 
active);
        [CCode (cheader_filename = "gst/gst.h", has_target = false)]
-       public delegate Gst.FlowReturn PadChainFunction (Gst.Pad pad, Gst.Object? parent, Gst.Buffer buffer);
+       public delegate Gst.FlowReturn PadChainFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.Buffer 
buffer);
        [CCode (cheader_filename = "gst/gst.h", has_target = false)]
-       public delegate Gst.FlowReturn PadChainListFunction (Gst.Pad pad, Gst.Object? parent, Gst.BufferList 
list);
+       public delegate Gst.FlowReturn PadChainListFunction (Gst.Pad pad, Gst.Object? parent, owned 
Gst.BufferList list);
        [CCode (cheader_filename = "gst/gst.h", has_target = false)]
-       public delegate bool PadEventFunction (Gst.Pad pad, Gst.Object? parent, Gst.Event event);
+       public delegate bool PadEventFunction (Gst.Pad pad, Gst.Object? parent, owned Gst.Event event);
        [CCode (cheader_filename = "gst/gst.h", instance_pos = 1.9)]
        public delegate bool PadForwardFunction (Gst.Pad pad);
        [CCode (cheader_filename = "gst/gst.h", has_target = false)]
diff --git a/vapi/gstreamer-pbutils-1.0.vapi b/vapi/gstreamer-pbutils-1.0.vapi
index dd211cf..8140c7b 100644
--- a/vapi/gstreamer-pbutils-1.0.vapi
+++ b/vapi/gstreamer-pbutils-1.0.vapi
@@ -82,7 +82,7 @@ namespace Gst {
                        [Deprecated]
                        public unowned Gst.Structure get_misc ();
                        [CCode (array_length = false, array_null_terminated = true)]
-                       public string[] get_missing_elements_installer_details ();
+                       public unowned string[] get_missing_elements_installer_details ();
                        public Gst.PbUtils.DiscovererResult get_result ();
                        public bool get_seekable ();
                        public Gst.PbUtils.DiscovererStreamInfo get_stream_info ();
diff --git a/vapi/gstreamer-video-1.0.vapi b/vapi/gstreamer-video-1.0.vapi
index b09e609..82dce62 100644
--- a/vapi/gstreamer-video-1.0.vapi
+++ b/vapi/gstreamer-video-1.0.vapi
@@ -851,7 +851,7 @@ namespace Gst {
                [CCode (cheader_filename = "gst/video/video.h")]
                public static bool blend (Gst.Video.Frame dest, Gst.Video.Frame src, int x, int y, float 
global_alpha);
                [CCode (cheader_filename = "gst/video/video.h")]
-               public static void blend_scale_linear_RGBA (Gst.Video.Info src, Gst.Buffer src_buffer, int 
dest_height, int dest_width, Gst.Video.Info dest, Gst.Buffer dest_buffer);
+               public static void blend_scale_linear_RGBA (Gst.Video.Info src, Gst.Buffer src_buffer, int 
dest_height, int dest_width, out Gst.Video.Info dest, out Gst.Buffer dest_buffer);
                [CCode (cheader_filename = "gst/video/video.h", cname = 
"gst_buffer_pool_config_get_video_alignment")]
                public static bool buffer_pool_config_get_video_alignment (Gst.Structure config, 
Gst.Video.Alignment align);
                [CCode (cheader_filename = "gst/video/video.h", cname = 
"gst_buffer_pool_config_set_video_alignment")]
diff --git a/vapi/metadata/Gst-1.0.metadata b/vapi/metadata/Gst-1.0.metadata
index edac546..2b59f05 100644
--- a/vapi/metadata/Gst-1.0.metadata
+++ b/vapi/metadata/Gst-1.0.metadata
@@ -220,5 +220,10 @@ Structure.new_from_string skip
 // Upstream
 ///////////
 
+// Upstream backports from 1.5/1.6
+PadChainFunction.buffer owned
+PadChainListFunction.list owned
+PadEventFunction.event owned
+
 // Bug #730957:
 ElementFactory.get_metadata_keys nullable
diff --git a/vapi/metadata/GstPbutils-1.0.metadata b/vapi/metadata/GstPbutils-1.0.metadata
index 3042a12..453b986 100644
--- a/vapi/metadata/GstPbutils-1.0.metadata
+++ b/vapi/metadata/GstPbutils-1.0.metadata
@@ -6,3 +6,7 @@ pb_utils_* name="pb_utils_(.+)"
 codec_utils_aac_* parent="Gst.PbUtils.Codec.AAC" name="codec_utils_aac_(.+)"
 codec_utils_h264_* parent="Gst.PbUtils.Codec.H264" name="codec_utils_h264_(.+)"
 codec_utils_mpeg4video_* parent="Gst.PbUtils.Codec.MPEG4Video" name="codec_utils_mpeg4video_(.+)"
+
+// Upstream backports from 1.5/1.6
+DiscovererInfo
+  .get_missing_elements_installer_details unowned
diff --git a/vapi/metadata/GstVideo-1.0.metadata b/vapi/metadata/GstVideo-1.0.metadata
index ce0d956..62b130f 100644
--- a/vapi/metadata/GstVideo-1.0.metadata
+++ b/vapi/metadata/GstVideo-1.0.metadata
@@ -26,4 +26,8 @@ VideoInfo
   .finfo nullable
 
 VideoChromaResample skip
-video_chroma_resample skip
\ No newline at end of file
+video_chroma_resample skip
+
+// Upstream backports from 1.5/1.6
+video_blend_scale_linear_RGBA.dest out
+video_blend_scale_linear_RGBA.dest_buffer out unowned=false