[vala/staging] gstreamer: Update from 1.19.0+ git master

[Rico Tzschichholz <ricotz src gnome org>]

commit 69a532d31c89a4f4e46cce1087fdb4846bc82362
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Nov 7 20:20:47 2020 +0100

    gstreamer: Update from 1.19.0+ git master

 vapi/gstreamer-1.0.vapi        | 46 ++++++++++++++++++++++++++----------------
 vapi/gstreamer-base-1.0.vapi   | 18 ++++++++---------
 vapi/gstreamer-webrtc-1.0.vapi | 17 ++++++++++++++++
 3 files changed, 55 insertions(+), 26 deletions(-)
---
diff --git a/vapi/gstreamer-1.0.vapi b/vapi/gstreamer-1.0.vapi
index bbfe4c018..855080843 100644
--- a/vapi/gstreamer-1.0.vapi
+++ b/vapi/gstreamer-1.0.vapi
@@ -788,15 +788,15 @@ namespace Gst {
                [NoWrapper]
                public virtual Gst.FlowReturn alloc_buffer (Gst.Buffer buffer, Gst.BufferPoolAcquireParams 
@params);
                public static void config_add_option (Gst.Structure config, string option);
-               public static bool config_get_allocator (Gst.Structure config, out unowned Gst.Allocator 
allocator, out unowned Gst.AllocationParams @params);
-               public static unowned string config_get_option (Gst.Structure config, uint index);
-               public static bool config_get_params (Gst.Structure config, out unowned Gst.Caps caps, out 
uint size, out uint min_buffers, out uint max_buffers);
+               public static bool config_get_allocator (Gst.Structure config, out unowned Gst.Allocator? 
allocator, out unowned Gst.AllocationParams @params);
+               public static unowned string? config_get_option (Gst.Structure config, uint index);
+               public static bool config_get_params (Gst.Structure config, out unowned Gst.Caps? caps, out 
uint size, out uint min_buffers, out uint max_buffers);
                public static bool config_has_option (Gst.Structure config, string option);
                public static uint config_n_options (Gst.Structure config);
                public static void config_set_allocator (Gst.Structure config, Gst.Allocator? allocator, 
Gst.AllocationParams? @params);
-               public static void config_set_params (Gst.Structure config, Gst.Caps caps, uint size, uint 
min_buffers, uint max_buffers);
+               public static void config_set_params (Gst.Structure config, Gst.Caps? caps, uint size, uint 
min_buffers, uint max_buffers);
                [Version (since = "1.4")]
-               public static bool config_validate_params (Gst.Structure config, Gst.Caps caps, uint size, 
uint min_buffers, uint max_buffers);
+               public static bool config_validate_params (Gst.Structure config, Gst.Caps? caps, uint size, 
uint min_buffers, uint max_buffers);
                [NoWrapper]
                public virtual void flush_start ();
                [NoWrapper]
@@ -1174,7 +1174,7 @@ namespace Gst {
                public void device_remove (Gst.Device device);
                public Gst.Bus get_bus ();
                public GLib.List<Gst.Device> get_devices ();
-               public unowned Gst.DeviceProviderFactory get_factory ();
+               public unowned Gst.DeviceProviderFactory? get_factory ();
                [CCode (array_length = false, array_null_terminated = true)]
                [Version (since = "1.6")]
                public string[] get_hidden_providers ();
@@ -1182,6 +1182,8 @@ namespace Gst {
                public unowned string get_metadata (string key);
                [Version (since = "1.6")]
                public void hide_provider (string name);
+               [Version (since = "1.20")]
+               public bool is_started ();
                public static bool register (Gst.Plugin? plugin, string name, uint rank, GLib.Type type);
                [CCode (cname = "gst_device_provider_class_set_metadata")]
                public class void set_metadata (string longname, string classification, string description, 
string author);
@@ -1284,7 +1286,7 @@ namespace Gst {
                public Gst.Pad? get_compatible_pad (Gst.Pad pad, Gst.Caps? caps);
                public unowned Gst.PadTemplate? get_compatible_pad_template (Gst.PadTemplate compattempl);
                [Version (since = "1.8")]
-               public Gst.Context get_context (string context_type);
+               public Gst.Context? get_context (string context_type);
                [Version (since = "1.8")]
                public Gst.Context? get_context_unlocked (string context_type);
                [Version (since = "1.8")]
@@ -1316,7 +1318,7 @@ namespace Gst {
                public bool link_pads_filtered (string? srcpadname, Gst.Element dest, string? destpadname, 
Gst.Caps? filter);
                public void lost_state ();
                [CCode (returns_floating_reference = true)]
-               public static Gst.Element? make_from_uri (Gst.URIType type, string uri, string? elementname) 
throws GLib.Error;
+               public static Gst.Element make_from_uri (Gst.URIType type, string uri, string? elementname) 
throws GLib.Error;
                public void message_full (Gst.MessageType type, GLib.Quark domain, int code, owned string? 
text, owned string? debug, string file, string function, int line);
                [Version (since = "1.10")]
                public void message_full_with_details (Gst.MessageType type, GLib.Quark domain, int code, 
owned string? text, owned string? debug, string file, string function, int line, owned Gst.Structure 
structure);
@@ -2064,7 +2066,7 @@ namespace Gst {
                public void add_dependency_simple (string? env_vars, string? paths, string? names, 
Gst.PluginDependencyFlags flags);
                public unowned Gst.Structure? get_cache_data ();
                public unowned string get_description ();
-               public unowned string get_filename ();
+               public unowned string? get_filename ();
                public unowned string get_license ();
                public unowned string get_name ();
                public unowned string get_origin ();
@@ -2290,7 +2292,7 @@ namespace Gst {
                public uint32 get_feature_list_cookie ();
                public GLib.List<Gst.Plugin> get_plugin_list ();
                public Gst.Plugin? lookup (string filename);
-               public Gst.PluginFeature lookup_feature (string name);
+               public Gst.PluginFeature? lookup_feature (string name);
                public GLib.List<Gst.Plugin> plugin_filter ([CCode (delegate_target_pos = 2.1)] 
Gst.PluginFilter filter, bool first);
                public void remove_feature (Gst.PluginFeature feature);
                public void remove_plugin (Gst.Plugin plugin);
@@ -2366,6 +2368,14 @@ namespace Gst {
                [Version (since = "1.8")]
                public int to_stream_time_full (Gst.Format format, uint64 position, out uint64 stream_time);
        }
+       [CCode (cheader_filename = "gst/gst.h", type_id = "gst_shared_task_pool_get_type ()")]
+       [Version (since = "1.20")]
+       public class SharedTaskPool : Gst.TaskPool {
+               [CCode (has_construct_function = false, type = "GstTaskPool*")]
+               public SharedTaskPool ();
+               public uint get_max_threads ();
+               public void set_max_threads (uint max_threads);
+       }
        [CCode (cheader_filename = "gst/gst.h", type_id = "gst_stream_get_type ()")]
        [Version (since = "1.10")]
        public class Stream : Gst.Object {
@@ -2394,7 +2404,7 @@ namespace Gst {
                public bool add_stream (owned Gst.Stream stream);
                public uint get_size ();
                public unowned Gst.Stream? get_stream (uint index);
-               public unowned string get_upstream_id ();
+               public unowned string? get_upstream_id ();
                [NoAccessorMethod]
                public string upstream_id { owned get; set construct; }
                public virtual signal void stream_notify (Gst.Stream stream, GLib.ParamSpec pspec);
@@ -2584,7 +2594,9 @@ namespace Gst {
                [CCode (has_construct_function = false)]
                public TaskPool ();
                public virtual void cleanup ();
-               public virtual void join (void* id);
+               [Version (since = "1.20")]
+               public virtual void dispose_handle (owned void* id);
+               public virtual void join (owned void* id);
                public virtual void prepare () throws GLib.Error;
                public virtual void* push ([CCode (scope = "async")] Gst.TaskPoolFunction func) throws 
GLib.Error;
        }
@@ -2654,7 +2666,7 @@ namespace Gst {
                [CCode (has_construct_function = false)]
                protected TypeFindFactory ();
                public void call_function (Gst.TypeFind find);
-               public unowned Gst.Caps get_caps ();
+               public unowned Gst.Caps? get_caps ();
                [CCode (array_length = false, array_null_terminated = true)]
                public unowned string[]? get_extensions ();
                public static GLib.List<Gst.TypeFindFactory> get_list ();
@@ -3041,7 +3053,7 @@ namespace Gst {
                public static GLib.Type get_type ();
                [CCode (array_length_pos = 1.1, array_length_type = "guint")]
                public unowned uint8[]? peek (int64 offset);
-               public static bool register (Gst.Plugin? plugin, string name, uint rank, [CCode 
(delegate_target_pos = 6.1, destroy_notify_pos = 6.2)] owned Gst.TypeFindFunction func, string? extensions, 
Gst.Caps possible_caps);
+               public static bool register (Gst.Plugin? plugin, string name, uint rank, [CCode 
(delegate_target_pos = 6.1, destroy_notify_pos = 6.2)] owned Gst.TypeFindFunction func, string? extensions, 
Gst.Caps? possible_caps);
                public void suggest (uint probability, Gst.Caps caps);
                public void suggest_simple (uint probability, string media_type, string? fieldname, ...);
        }
@@ -4225,11 +4237,11 @@ namespace Gst {
        [CCode (cheader_filename = "gst/gst.h")]
        public static GLib.ParamSpec? param_spec_fraction (string name, string nick, string blurb, int 
min_num, int min_denom, int max_num, int max_denom, int default_num, int default_denom, GLib.ParamFlags 
flags);
        [CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_bin_from_description_full", 
returns_floating_reference = true)]
-       public static Gst.Element? parse_bin_from_description (string bin_description, bool 
ghost_unlinked_pads, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws 
GLib.Error;
+       public static Gst.Element parse_bin_from_description (string bin_description, bool 
ghost_unlinked_pads, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws 
GLib.Error;
        [CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_launch_full", returns_floating_reference = 
true)]
-       public static Gst.Element? parse_launch (string pipeline_description, Gst.ParseContext? context = 
null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws GLib.Error;
+       public static Gst.Element parse_launch (string pipeline_description, Gst.ParseContext? context = 
null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws GLib.Error;
        [CCode (cheader_filename = "gst/gst.h", cname = "gst_parse_launchv_full", returns_floating_reference 
= true)]
-       public static Gst.Element? parse_launchv ([CCode (array_length = false, array_null_terminated = 
true)] string[] argv, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws 
GLib.Error;
+       public static Gst.Element parse_launchv ([CCode (array_length = false, array_null_terminated = true)] 
string[] argv, Gst.ParseContext? context = null, Gst.ParseFlags flags = Gst.ParseFlags.NONE) throws 
GLib.Error;
        [CCode (cheader_filename = "gst/gst.h")]
        public static unowned string? preset_get_app_dir ();
        [CCode (cheader_filename = "gst/gst.h")]
diff --git a/vapi/gstreamer-base-1.0.vapi b/vapi/gstreamer-base-1.0.vapi
index cd6debddc..55de7ff70 100644
--- a/vapi/gstreamer-base-1.0.vapi
+++ b/vapi/gstreamer-base-1.0.vapi
@@ -74,8 +74,8 @@ namespace Gst {
                        public virtual Gst.Caps fixate_src_caps (Gst.Caps caps);
                        [NoWrapper]
                        public virtual Gst.FlowReturn flush ();
-                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
-                       public Gst.BufferPool get_buffer_pool ();
+                       public void get_allocator (out Gst.Allocator? allocator, out unowned 
Gst.AllocationParams @params);
+                       public Gst.BufferPool? get_buffer_pool ();
                        public Gst.ClockTime get_latency ();
                        [NoWrapper]
                        public virtual Gst.ClockTime get_next_time ();
@@ -84,7 +84,7 @@ namespace Gst {
                        [NoWrapper]
                        public virtual bool negotiated_src_caps (Gst.Caps caps);
                        [Version (since = "1.18")]
-                       public virtual Gst.Sample peek_next_sample (Gst.Base.AggregatorPad aggregator_pad);
+                       public virtual Gst.Sample? peek_next_sample (Gst.Base.AggregatorPad aggregator_pad);
                        [NoWrapper]
                        public virtual bool propose_allocation (Gst.Base.AggregatorPad pad, Gst.Query 
decide_query, Gst.Query query);
                        [Version (since = "1.18")]
@@ -143,8 +143,8 @@ namespace Gst {
                        [Version (since = "1.14.1")]
                        public bool has_buffer ();
                        public bool is_eos ();
-                       public Gst.Buffer peek_buffer ();
-                       public Gst.Buffer pop_buffer ();
+                       public Gst.Buffer? peek_buffer ();
+                       public Gst.Buffer? pop_buffer ();
                        [NoWrapper]
                        public virtual bool skip_buffer (Gst.Base.Aggregator aggregator, Gst.Buffer buffer);
                        [NoAccessorMethod]
@@ -727,9 +727,9 @@ namespace Gst {
                        public virtual Gst.FlowReturn fill (uint64 offset, uint size, Gst.Buffer buf);
                        [NoWrapper]
                        public virtual Gst.Caps fixate (Gst.Caps caps);
-                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
+                       public void get_allocator (out Gst.Allocator? allocator, out unowned 
Gst.AllocationParams @params);
                        public uint get_blocksize ();
-                       public Gst.BufferPool get_buffer_pool ();
+                       public Gst.BufferPool? get_buffer_pool ();
                        [NoWrapper]
                        public virtual Gst.Caps get_caps (Gst.Caps? filter);
                        public bool get_do_timestamp ();
@@ -804,8 +804,8 @@ namespace Gst {
                        public virtual Gst.Caps fixate_caps (Gst.PadDirection direction, Gst.Caps caps, 
Gst.Caps othercaps);
                        [NoWrapper]
                        public virtual Gst.FlowReturn generate_output (out Gst.Buffer outbuf);
-                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
-                       public Gst.BufferPool get_buffer_pool ();
+                       public void get_allocator (out Gst.Allocator? allocator, out unowned 
Gst.AllocationParams @params);
+                       public Gst.BufferPool? get_buffer_pool ();
                        [NoWrapper]
                        public virtual bool get_unit_size (Gst.Caps caps, out size_t size);
                        public bool is_in_place ();
diff --git a/vapi/gstreamer-webrtc-1.0.vapi b/vapi/gstreamer-webrtc-1.0.vapi
index 49dee853e..c1f46c652 100644
--- a/vapi/gstreamer-webrtc-1.0.vapi
+++ b/vapi/gstreamer-webrtc-1.0.vapi
@@ -101,6 +101,7 @@ namespace Gst {
                public signal void on_selected_candidate_pair_change ();
        }
        [CCode (cheader_filename = "gst/webrtc/webrtc.h", lower_case_csuffix = "webrtc_rtp_receiver", type_id 
= "gst_webrtc_rtp_receiver_get_type ()")]
+       [Version (since = "1.16")]
        public class WebRTCRTPReceiver : Gst.Object {
                [CCode (array_length = false)]
                public weak void* _padding[4];
@@ -112,6 +113,7 @@ namespace Gst {
                public void set_transport (Gst.WebRTCDTLSTransport transport);
        }
        [CCode (cheader_filename = "gst/webrtc/webrtc.h", lower_case_csuffix = "webrtc_rtp_sender", type_id = 
"gst_webrtc_rtp_sender_get_type ()")]
+       [Version (since = "1.16")]
        public class WebRTCRTPSender : Gst.Object {
                [CCode (array_length = false)]
                public weak void* _padding[4];
@@ -120,15 +122,23 @@ namespace Gst {
                public weak Gst.WebRTCDTLSTransport transport;
                [CCode (has_construct_function = false)]
                public WebRTCRTPSender ();
+               [Version (since = "1.20")]
+               public void set_priority (Gst.WebRTCPriorityType priority);
                public void set_rtcp_transport (Gst.WebRTCDTLSTransport transport);
                public void set_transport (Gst.WebRTCDTLSTransport transport);
+               [NoAccessorMethod]
+               [Version (since = "1.20")]
+               public Gst.WebRTCPriorityType priority { get; set; }
        }
        [CCode (cheader_filename = "gst/webrtc/webrtc.h", lower_case_csuffix = "webrtc_rtp_transceiver", 
type_id = "gst_webrtc_rtp_transceiver_get_type ()")]
+       [Version (since = "1.16")]
        public abstract class WebRTCRTPTransceiver : Gst.Object {
                [CCode (array_length = false)]
                public weak void* _padding[4];
                public weak Gst.Caps codec_preferences;
                public Gst.WebRTCRTPTransceiverDirection current_direction;
+               [Version (since = "1.20")]
+               public Gst.WebRTCKind kind;
                public weak string mid;
                public uint mline;
                public bool stopped;
@@ -225,6 +235,13 @@ namespace Gst {
                ALL,
                RELAY
        }
+       [CCode (cheader_filename = "gst/webrtc/webrtc.h", cprefix = "GST_WEBRTC_KIND_", type_id = 
"gst_webrtc_kind_get_type ()")]
+       [Version (since = "1.20")]
+       public enum WebRTCKind {
+               UNKNOWN,
+               AUDIO,
+               VIDEO
+       }
        [CCode (cheader_filename = "gst/webrtc/webrtc.h", cprefix = "GST_WEBRTC_PEER_CONNECTION_STATE_", 
type_id = "gst_webrtc_peer_connection_state_get_type ()")]
        public enum WebRTCPeerConnectionState {
                NEW,