Video optimizations

1 files changed, 625 insertions, 0 deletions

diff --git a/plugins/rtp/vapi/gstreamer-rtp-1.0.vapi b/plugins/rtp/vapi/gstreamer-rtp-1.0.vapi
new file mode 100644
index 00000000..30490896
--- /dev/null
+++ b/plugins/rtp/vapi/gstreamer-rtp-1.0.vapi
@@ -0,0 +1,625 @@
+// Fixme: This is fetched from development code of Vala upstream which fixed a few bugs.
+/* gstreamer-rtp-1.0.vapi generated by vapigen, do not modify. */
+
+[CCode (cprefix = "Gst", gir_namespace = "GstRtp", gir_version = "1.0", lower_case_cprefix = "gst_")]
+namespace Gst {
+	namespace RTCP {
+		[CCode (cheader_filename = "gst/rtp/rtp.h", has_type_id = false)]
+		[GIR (name = "RTCPBuffer")]
+		public struct Buffer {
+			public weak Gst.Buffer buffer;
+			public bool add_packet (Gst.RTCP.Type type, Gst.RTCP.Packet packet);
+			public bool get_first_packet (Gst.RTCP.Packet packet);
+			public uint get_packet_count ();
+			public static bool map (Gst.Buffer buffer, Gst.MapFlags flags, out Gst.RTCP.Buffer rtcp);
+			public static Gst.Buffer @new (uint mtu);
+			public static Gst.Buffer new_copy_data ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] data);
+			public static Gst.Buffer new_take_data ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] owned uint8[] data);
+			public bool unmap ();
+			public static bool validate (Gst.Buffer buffer);
+			public static bool validate_data ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] data);
+			[Version (since = "1.6")]
+			public static bool validate_data_reduced ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] data);
+			[Version (since = "1.6")]
+			public static bool validate_reduced (Gst.Buffer buffer);
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", has_type_id = false)]
+		[GIR (name = "RTCPPacket")]
+		public struct Packet {
+			public weak Gst.RTCP.Buffer? rtcp;
+			public uint offset;
+			[Version (since = "1.10")]
+			public bool add_profile_specific_ext ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] data);
+			public bool add_rb (uint32 ssrc, uint8 fractionlost, int32 packetslost, uint32 exthighestseq, uint32 jitter, uint32 lsr, uint32 dlsr);
+			[Version (since = "1.10")]
+			public uint8 app_get_data ();
+			[Version (since = "1.10")]
+			public uint16 app_get_data_length ();
+			[Version (since = "1.10")]
+			public unowned string app_get_name ();
+			[Version (since = "1.10")]
+			public uint32 app_get_ssrc ();
+			[Version (since = "1.10")]
+			public uint8 app_get_subtype ();
+			[Version (since = "1.10")]
+			public bool app_set_data_length (uint16 wordlen);
+			[Version (since = "1.10")]
+			public void app_set_name (string name);
+			[Version (since = "1.10")]
+			public void app_set_ssrc (uint32 ssrc);
+			[Version (since = "1.10")]
+			public void app_set_subtype (uint8 subtype);
+			public bool bye_add_ssrc (uint32 ssrc);
+			public bool bye_add_ssrcs ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] uint32[] ssrc);
+			public uint32 bye_get_nth_ssrc (uint nth);
+			public string bye_get_reason ();
+			public uint8 bye_get_reason_len ();
+			public uint bye_get_ssrc_count ();
+			public bool bye_set_reason (string reason);
+			[Version (since = "1.10")]
+			public bool copy_profile_specific_ext ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] out uint8[] data);
+			public uint8 fb_get_fci ();
+			public uint16 fb_get_fci_length ();
+			public uint32 fb_get_media_ssrc ();
+			public uint32 fb_get_sender_ssrc ();
+			public Gst.RTCP.FBType fb_get_type ();
+			public bool fb_set_fci_length (uint16 wordlen);
+			public void fb_set_media_ssrc (uint32 ssrc);
+			public void fb_set_sender_ssrc (uint32 ssrc);
+			public void fb_set_type (Gst.RTCP.FBType type);
+			public uint8 get_count ();
+			public uint16 get_length ();
+			public bool get_padding ();
+			[Version (since = "1.10")]
+			public bool get_profile_specific_ext ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "guint")] out unowned uint8[] data);
+			[Version (since = "1.10")]
+			public uint16 get_profile_specific_ext_length ();
+			public void get_rb (uint nth, out uint32 ssrc, out uint8 fractionlost, out int32 packetslost, out uint32 exthighestseq, out uint32 jitter, out uint32 lsr, out uint32 dlsr);
+			public uint get_rb_count ();
+			public Gst.RTCP.Type get_type ();
+			public bool move_to_next ();
+			public bool remove ();
+			public uint32 rr_get_ssrc ();
+			public void rr_set_ssrc (uint32 ssrc);
+			public bool sdes_add_entry (Gst.RTCP.SDESType type, [CCode (array_length_cname = "len", array_length_pos = 1.5, array_length_type = "guint8")] uint8[] data);
+			public bool sdes_add_item (uint32 ssrc);
+			public bool sdes_copy_entry (out Gst.RTCP.SDESType type, [CCode (array_length_cname = "len", array_length_pos = 1.5, array_length_type = "guint8")] out uint8[] data);
+			public bool sdes_first_entry ();
+			public bool sdes_first_item ();
+			public bool sdes_get_entry (out Gst.RTCP.SDESType type, [CCode (array_length_cname = "len", array_length_pos = 1.5, array_length_type = "guint8")] out unowned uint8[] data);
+			public uint sdes_get_item_count ();
+			public uint32 sdes_get_ssrc ();
+			public bool sdes_next_entry ();
+			public bool sdes_next_item ();
+			public void set_rb (uint nth, uint32 ssrc, uint8 fractionlost, int32 packetslost, uint32 exthighestseq, uint32 jitter, uint32 lsr, uint32 dlsr);
+			public void sr_get_sender_info (out uint32 ssrc, out uint64 ntptime, out uint32 rtptime, out uint32 packet_count, out uint32 octet_count);
+			public void sr_set_sender_info (uint32 ssrc, uint64 ntptime, uint32 rtptime, uint32 packet_count, uint32 octet_count);
+			[Version (since = "1.16")]
+			public bool xr_first_rb ();
+			[Version (since = "1.16")]
+			public uint16 xr_get_block_length ();
+			[Version (since = "1.16")]
+			public Gst.RTCP.XRType xr_get_block_type ();
+			[Version (since = "1.16")]
+			public bool xr_get_dlrr_block (uint nth, out uint32 ssrc, out uint32 last_rr, out uint32 delay);
+			[Version (since = "1.16")]
+			public bool xr_get_prt_by_seq (uint16 seq, out uint32 receipt_time);
+			[Version (since = "1.16")]
+			public bool xr_get_prt_info (out uint32 ssrc, out uint8 thinning, out uint16 begin_seq, out uint16 end_seq);
+			[Version (since = "1.16")]
+			public bool xr_get_rle_info (out uint32 ssrc, out uint8 thinning, out uint16 begin_seq, out uint16 end_seq, out uint32 chunk_count);
+			[Version (since = "1.16")]
+			public bool xr_get_rle_nth_chunk (uint nth, out uint16 chunk);
+			[Version (since = "1.16")]
+			public bool xr_get_rrt (out uint64 timestamp);
+			[Version (since = "1.16")]
+			public uint32 xr_get_ssrc ();
+			[Version (since = "1.16")]
+			public bool xr_get_summary_info (out uint32 ssrc, out uint16 begin_seq, out uint16 end_seq);
+			[Version (since = "1.16")]
+			public bool xr_get_summary_jitter (out uint32 min_jitter, out uint32 max_jitter, out uint32 mean_jitter, out uint32 dev_jitter);
+			[Version (since = "1.16")]
+			public bool xr_get_summary_pkt (out uint32 lost_packets, out uint32 dup_packets);
+			[Version (since = "1.16")]
+			public bool xr_get_summary_ttl (out bool is_ipv4, out uint8 min_ttl, out uint8 max_ttl, out uint8 mean_ttl, out uint8 dev_ttl);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_burst_metrics (out uint8 burst_density, out uint8 gap_density, out uint16 burst_duration, out uint16 gap_duration);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_configuration_params (out uint8 gmin, out uint8 rx_config);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_delay_metrics (out uint16 roundtrip_delay, out uint16 end_system_delay);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_jitter_buffer_params (out uint16 jb_nominal, out uint16 jb_maximum, out uint16 jb_abs_max);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_metrics_ssrc (out uint32 ssrc);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_packet_metrics (out uint8 loss_rate, out uint8 discard_rate);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_quality_metrics (out uint8 r_factor, out uint8 ext_r_factor, out uint8 mos_lq, out uint8 mos_cq);
+			[Version (since = "1.16")]
+			public bool xr_get_voip_signal_metrics (out uint8 signal_level, out uint8 noise_level, out uint8 rerl, out uint8 gmin);
+			[Version (since = "1.16")]
+			public bool xr_next_rb ();
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTCP_", type_id = "gst_rtcpfb_type_get_type ()")]
+		[GIR (name = "RTCPFBType")]
+		public enum FBType {
+			FB_TYPE_INVALID,
+			RTPFB_TYPE_NACK,
+			RTPFB_TYPE_TMMBR,
+			RTPFB_TYPE_TMMBN,
+			RTPFB_TYPE_RTCP_SR_REQ,
+			RTPFB_TYPE_TWCC,
+			PSFB_TYPE_PLI,
+			PSFB_TYPE_SLI,
+			PSFB_TYPE_RPSI,
+			PSFB_TYPE_AFB,
+			PSFB_TYPE_FIR,
+			PSFB_TYPE_TSTR,
+			PSFB_TYPE_TSTN,
+			PSFB_TYPE_VBCN
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTCP_SDES_", type_id = "gst_rtcpsdes_type_get_type ()")]
+		[GIR (name = "RTCPSDESType")]
+		public enum SDESType {
+			INVALID,
+			END,
+			CNAME,
+			NAME,
+			EMAIL,
+			PHONE,
+			LOC,
+			TOOL,
+			NOTE,
+			PRIV;
+			[CCode (cname = "gst_rtcp_sdes_name_to_type")]
+			public static Gst.RTCP.SDESType from_string (string name);
+			[CCode (cname = "gst_rtcp_sdes_type_to_name")]
+			public unowned string to_string ();
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTCP_TYPE_", type_id = "gst_rtcp_type_get_type ()")]
+		[GIR (name = "RTCPType")]
+		public enum Type {
+			INVALID,
+			SR,
+			RR,
+			SDES,
+			BYE,
+			APP,
+			RTPFB,
+			PSFB,
+			XR
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTCP_XR_TYPE_", type_id = "gst_rtcpxr_type_get_type ()")]
+		[GIR (name = "RTCPXRType")]
+		[Version (since = "1.16")]
+		public enum XRType {
+			INVALID,
+			LRLE,
+			DRLE,
+			PRT,
+			RRT,
+			DLRR,
+			SSUMM,
+			VOIP_METRICS
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_MAX_BYE_SSRC_COUNT")]
+		public const int MAX_BYE_SSRC_COUNT;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_MAX_RB_COUNT")]
+		public const int MAX_RB_COUNT;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_MAX_SDES")]
+		public const int MAX_SDES;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_MAX_SDES_ITEM_COUNT")]
+		public const int MAX_SDES_ITEM_COUNT;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_REDUCED_SIZE_VALID_MASK")]
+		public const int REDUCED_SIZE_VALID_MASK;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_VALID_MASK")]
+		public const int VALID_MASK;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_VALID_VALUE")]
+		public const int VALID_VALUE;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTCP_VERSION")]
+		public const int VERSION;
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static uint64 ntp_to_unix (uint64 ntptime);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static uint64 unix_to_ntp (uint64 unixtime);
+	}
+	namespace RTP {
+		[CCode (cheader_filename = "gst/rtp/rtp.h", type_id = "gst_rtp_base_audio_payload_get_type ()")]
+		[GIR (name = "RTPBaseAudioPayload")]
+		public class BaseAudioPayload : Gst.RTP.BasePayload {
+			public Gst.ClockTime base_ts;
+			public int frame_duration;
+			public int frame_size;
+			public int sample_size;
+			[CCode (has_construct_function = false)]
+			protected BaseAudioPayload ();
+			public Gst.FlowReturn flush (uint payload_len, Gst.ClockTime timestamp);
+			public Gst.Base.Adapter get_adapter ();
+			public Gst.FlowReturn push ([CCode (array_length_cname = "payload_len", array_length_pos = 1.5, array_length_type = "guint")] uint8[] data, Gst.ClockTime timestamp);
+			public void set_frame_based ();
+			public void set_frame_options (int frame_duration, int frame_size);
+			public void set_sample_based ();
+			public void set_sample_options (int sample_size);
+			public void set_samplebits_options (int sample_size);
+			[NoAccessorMethod]
+			public bool buffer_list { get; set; }
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", type_id = "gst_rtp_base_depayload_get_type ()")]
+		[GIR (name = "RTPBaseDepayload")]
+		public abstract class BaseDepayload : Gst.Element {
+			public uint clock_rate;
+			public bool need_newsegment;
+			public weak Gst.Segment segment;
+			public weak Gst.Pad sinkpad;
+			public weak Gst.Pad srcpad;
+			[CCode (has_construct_function = false)]
+			protected BaseDepayload ();
+			[NoWrapper]
+			public virtual bool handle_event (Gst.Event event);
+			[Version (since = "1.16")]
+			public bool is_source_info_enabled ();
+			[NoWrapper]
+			public virtual bool packet_lost (Gst.Event event);
+			[NoWrapper]
+			public virtual Gst.Buffer process (Gst.Buffer @in);
+			[NoWrapper]
+			public virtual Gst.Buffer process_rtp_packet (Gst.RTP.Buffer rtp_buffer);
+			public Gst.FlowReturn push (Gst.Buffer out_buf);
+			public Gst.FlowReturn push_list (Gst.BufferList out_list);
+			[NoWrapper]
+			public virtual bool set_caps (Gst.Caps caps);
+			[Version (since = "1.16")]
+			public void set_source_info_enabled (bool enable);
+			[NoAccessorMethod]
+			[Version (since = "1.20")]
+			public bool auto_header_extension { get; set; }
+			[NoAccessorMethod]
+			[Version (since = "1.18")]
+			public int max_reorder { get; set; }
+			[NoAccessorMethod]
+			[Version (since = "1.16")]
+			public bool source_info { get; set; }
+			[NoAccessorMethod]
+			public Gst.Structure stats { owned get; }
+			[Version (since = "1.20")]
+			public signal void add_extension (owned Gst.RTP.HeaderExtension ext);
+			[Version (since = "1.20")]
+			public signal void clear_extensions ();
+			[Version (since = "1.20")]
+			public signal Gst.RTP.HeaderExtension request_extension (uint ext_id, string? ext_uri);
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", type_id = "gst_rtp_base_payload_get_type ()")]
+		[GIR (name = "RTPBasePayload")]
+		public abstract class BasePayload : Gst.Element {
+			[CCode (has_construct_function = false)]
+			protected BasePayload ();
+			[Version (since = "1.16")]
+			public Gst.Buffer allocate_output_buffer (uint payload_len, uint8 pad_len, uint8 csrc_count);
+			[NoWrapper]
+			public virtual Gst.Caps get_caps (Gst.Pad pad, Gst.Caps filter);
+			[Version (since = "1.16")]
+			public uint get_source_count (Gst.Buffer buffer);
+			[NoWrapper]
+			public virtual Gst.FlowReturn handle_buffer (Gst.Buffer buffer);
+			public bool is_filled (uint size, Gst.ClockTime duration);
+			[Version (since = "1.16")]
+			public bool is_source_info_enabled ();
+			public Gst.FlowReturn push (Gst.Buffer buffer);
+			public Gst.FlowReturn push_list (Gst.BufferList list);
+			[NoWrapper]
+			public virtual bool query (Gst.Pad pad, Gst.Query query);
+			[NoWrapper]
+			public virtual bool set_caps (Gst.Caps caps);
+			public void set_options (string media, bool @dynamic, string encoding_name, uint32 clock_rate);
+			[Version (since = "1.20")]
+			public bool set_outcaps_structure (Gst.Structure? s);
+			[Version (since = "1.16")]
+			public void set_source_info_enabled (bool enable);
+			[NoWrapper]
+			public virtual bool sink_event (Gst.Event event);
+			[NoWrapper]
+			public virtual bool src_event (Gst.Event event);
+			[NoAccessorMethod]
+			[Version (since = "1.20")]
+			public bool auto_header_extension { get; set; }
+			[NoAccessorMethod]
+			public int64 max_ptime { get; set; }
+			[NoAccessorMethod]
+			public int64 min_ptime { get; set; }
+			[NoAccessorMethod]
+			public uint mtu { get; set; }
+			[NoAccessorMethod]
+			[Version (since = "1.16")]
+			public bool onvif_no_rate_control { get; set; }
+			[NoAccessorMethod]
+			public bool perfect_rtptime { get; set; }
+			[NoAccessorMethod]
+			public uint pt { get; set; }
+			[NoAccessorMethod]
+			public int64 ptime_multiple { get; set; }
+			[NoAccessorMethod]
+			[Version (since = "1.18")]
+			public bool scale_rtptime { get; set; }
+			[NoAccessorMethod]
+			public uint seqnum { get; }
+			[NoAccessorMethod]
+			public int seqnum_offset { get; set; }
+			[NoAccessorMethod]
+			[Version (since = "1.16")]
+			public bool source_info { get; set; }
+			[NoAccessorMethod]
+			public uint ssrc { get; set; }
+			[NoAccessorMethod]
+			public Gst.Structure stats { owned get; }
+			[NoAccessorMethod]
+			public uint timestamp { get; }
+			[NoAccessorMethod]
+			public uint timestamp_offset { get; set; }
+			[Version (since = "1.20")]
+			public signal void add_extension (owned Gst.RTP.HeaderExtension ext);
+			[Version (since = "1.20")]
+			public signal void clear_extensions ();
+			[Version (since = "1.20")]
+			public signal Gst.RTP.HeaderExtension request_extension (uint ext_id, string ext_uri);
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", type_id = "gst_rtp_header_extension_get_type ()")]
+		[GIR (name = "RTPHeaderExtension")]
+		[Version (since = "1.20")]
+		public abstract class HeaderExtension : Gst.Element {
+			public uint ext_id;
+			[CCode (has_construct_function = false)]
+			protected HeaderExtension ();
+			public static Gst.RTP.HeaderExtension? create_from_uri (string uri);
+			public uint get_id ();
+			public virtual size_t get_max_size (Gst.Buffer input_meta);
+			public string get_sdp_caps_field_name ();
+			public virtual Gst.RTP.HeaderExtensionFlags get_supported_flags ();
+			public unowned string get_uri ();
+			public virtual bool read (Gst.RTP.HeaderExtensionFlags read_flags, [CCode (array_length_cname = "size", array_length_pos = 2.5, array_length_type = "gsize", type = "const guint8*")] uint8[] data, Gst.Buffer buffer);
+			public virtual bool set_attributes_from_caps (Gst.Caps caps);
+			public bool set_attributes_from_caps_simple_sdp (Gst.Caps caps);
+			public virtual bool set_caps_from_attributes (Gst.Caps caps);
+			public bool set_caps_from_attributes_simple_sdp (Gst.Caps caps);
+			public void set_id (uint ext_id);
+			public virtual bool set_non_rtp_sink_caps (Gst.Caps caps);
+			[CCode (cname = "gst_rtp_header_extension_class_set_uri")]
+			public class void set_uri (string uri);
+			public void set_wants_update_non_rtp_src_caps (bool state);
+			public virtual bool update_non_rtp_src_caps (Gst.Caps caps);
+			public virtual size_t write (Gst.Buffer input_meta, Gst.RTP.HeaderExtensionFlags write_flags, Gst.Buffer output, [CCode (array_length_cname = "size", array_length_pos = 4.1, array_length_type = "gsize", type = "guint8*")] uint8[] data);
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", has_type_id = false)]
+		[GIR (name = "RTPBuffer")]
+		public struct Buffer {
+			public weak Gst.Buffer buffer;
+			public uint state;
+			[CCode (array_length = false)]
+			public weak void* data[4];
+			[CCode (array_length = false)]
+			public weak size_t size[4];
+			public bool add_extension_onebyte_header (uint8 id, [CCode (array_length_cname = "size", array_length_pos = 2.1, array_length_type = "guint")] uint8[] data);
+			public bool add_extension_twobytes_header (uint8 appbits, uint8 id, [CCode (array_length_cname = "size", array_length_pos = 3.1, array_length_type = "guint")] uint8[] data);
+			[CCode (cname = "gst_buffer_add_rtp_source_meta")]
+			[Version (since = "1.16")]
+			public static unowned Gst.RTP.SourceMeta? add_rtp_source_meta (Gst.Buffer buffer, uint32? ssrc, uint32? csrc, uint csrc_count);
+			public static void allocate_data (Gst.Buffer buffer, uint payload_len, uint8 pad_len, uint8 csrc_count);
+			public static uint calc_header_len (uint8 csrc_count);
+			public static uint calc_packet_len (uint payload_len, uint8 pad_len, uint8 csrc_count);
+			public static uint calc_payload_len (uint packet_len, uint8 pad_len, uint8 csrc_count);
+			public static int compare_seqnum (uint16 seqnum1, uint16 seqnum2);
+			public static uint32 default_clock_rate (uint8 payload_type);
+			public static uint64 ext_timestamp (ref uint64 exttimestamp, uint32 timestamp);
+			public uint32 get_csrc (uint8 idx);
+			public uint8 get_csrc_count ();
+			public bool get_extension ();
+			[Version (since = "1.2")]
+			public GLib.Bytes get_extension_bytes (out uint16 bits);
+			public bool get_extension_data (out uint16 bits, [CCode (array_length = false)] out unowned uint8[] data, out uint wordlen);
+			public bool get_extension_onebyte_header (uint8 id, uint nth, [CCode (array_length_cname = "size", array_length_pos = 3.1, array_length_type = "guint")] out unowned uint8[] data);
+			[Version (since = "1.18")]
+			public static bool get_extension_onebyte_header_from_bytes (GLib.Bytes bytes, uint16 bit_pattern, uint8 id, uint nth, [CCode (array_length_cname = "size", array_length_pos = 5.1, array_length_type = "guint")] out unowned uint8[] data);
+			public bool get_extension_twobytes_header (out uint8 appbits, uint8 id, uint nth, [CCode (array_length_cname = "size", array_length_pos = 4.1, array_length_type = "guint")] out unowned uint8[] data);
+			public uint get_header_len ();
+			public bool get_marker ();
+			public uint get_packet_len ();
+			public bool get_padding ();
+			[CCode (array_length = false)]
+			public unowned uint8[] get_payload ();
+			public Gst.Buffer get_payload_buffer ();
+			[Version (since = "1.2")]
+			public GLib.Bytes get_payload_bytes ();
+			public uint get_payload_len ();
+			public Gst.Buffer get_payload_subbuffer (uint offset, uint len);
+			public uint8 get_payload_type ();
+			[CCode (cname = "gst_buffer_get_rtp_source_meta")]
+			[Version (since = "1.16")]
+			public static unowned Gst.RTP.SourceMeta? get_rtp_source_meta (Gst.Buffer buffer);
+			public uint16 get_seq ();
+			public uint32 get_ssrc ();
+			public uint32 get_timestamp ();
+			public uint8 get_version ();
+			public static bool map (Gst.Buffer buffer, Gst.MapFlags flags, out Gst.RTP.Buffer rtp);
+			public static Gst.Buffer new_allocate (uint payload_len, uint8 pad_len, uint8 csrc_count);
+			public static Gst.Buffer new_allocate_len (uint packet_len, uint8 pad_len, uint8 csrc_count);
+			public static Gst.Buffer new_copy_data ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "gsize")] uint8[] data);
+			public static Gst.Buffer new_take_data ([CCode (array_length_cname = "len", array_length_pos = 1.1, array_length_type = "gsize")] owned uint8[] data);
+			public void pad_to (uint len);
+			public void set_csrc (uint8 idx, uint32 csrc);
+			public void set_extension (bool extension);
+			public bool set_extension_data (uint16 bits, uint16 length);
+			public void set_marker (bool marker);
+			public void set_packet_len (uint len);
+			public void set_padding (bool padding);
+			public void set_payload_type (uint8 payload_type);
+			public void set_seq (uint16 seq);
+			public void set_ssrc (uint32 ssrc);
+			public void set_timestamp (uint32 timestamp);
+			public void set_version (uint8 version);
+			public void unmap ();
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", has_type_id = false)]
+		[GIR (name = "RTPPayloadInfo")]
+		public struct PayloadInfo {
+			public uint8 payload_type;
+			public weak string media;
+			public weak string encoding_name;
+			public uint clock_rate;
+			public weak string encoding_parameters;
+			public uint bitrate;
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", has_type_id = false)]
+		[GIR (name = "RTPSourceMeta")]
+		[Version (since = "1.16")]
+		public struct SourceMeta {
+			public Gst.Meta meta;
+			public uint32 ssrc;
+			public bool ssrc_valid;
+			[CCode (array_length = false)]
+			public weak uint32 csrc[15];
+			public uint csrc_count;
+			public bool append_csrc ([CCode (array_length_cname = "csrc_count", array_length_pos = 1.1, array_length_type = "guint", type = "const guint32*")] uint32[] csrc);
+			public uint get_source_count ();
+			public bool set_ssrc (uint32? ssrc);
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTP_BUFFER_FLAG_", type_id = "gst_rtp_buffer_flags_get_type ()")]
+		[Flags]
+		[GIR (name = "RTPBufferFlags")]
+		[Version (since = "1.10")]
+		public enum BufferFlags {
+			RETRANSMISSION,
+			REDUNDANT,
+			LAST
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTP_BUFFER_MAP_FLAG_", type_id = "gst_rtp_buffer_map_flags_get_type ()")]
+		[Flags]
+		[GIR (name = "RTPBufferMapFlags")]
+		[Version (since = "1.6.1")]
+		public enum BufferMapFlags {
+			SKIP_PADDING,
+			LAST
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTP_HEADER_EXTENSION_", type_id = "gst_rtp_header_extension_flags_get_type ()")]
+		[Flags]
+		[GIR (name = "RTPHeaderExtensionFlags")]
+		[Version (since = "1.20")]
+		public enum HeaderExtensionFlags {
+			ONE_BYTE,
+			TWO_BYTE
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTP_PAYLOAD_", type_id = "gst_rtp_payload_get_type ()")]
+		[GIR (name = "RTPPayload")]
+		public enum Payload {
+			PCMU,
+			@1016,
+			G721,
+			GSM,
+			G723,
+			DVI4_8000,
+			DVI4_16000,
+			LPC,
+			PCMA,
+			G722,
+			L16_STEREO,
+			L16_MONO,
+			QCELP,
+			CN,
+			MPA,
+			G728,
+			DVI4_11025,
+			DVI4_22050,
+			G729,
+			CELLB,
+			JPEG,
+			NV,
+			H261,
+			MPV,
+			MP2T,
+			H263;
+			public const string @1016_STRING;
+			public const string CELLB_STRING;
+			public const string CN_STRING;
+			public const string DVI4_11025_STRING;
+			public const string DVI4_16000_STRING;
+			public const string DVI4_22050_STRING;
+			public const string DVI4_8000_STRING;
+			public const string DYNAMIC_STRING;
+			public const string G721_STRING;
+			public const string G722_STRING;
+			public const int G723_53;
+			public const string G723_53_STRING;
+			public const int G723_63;
+			public const string G723_63_STRING;
+			public const string G723_STRING;
+			public const string G728_STRING;
+			public const string G729_STRING;
+			public const string GSM_STRING;
+			public const string H261_STRING;
+			public const string H263_STRING;
+			public const string JPEG_STRING;
+			public const string L16_MONO_STRING;
+			public const string L16_STEREO_STRING;
+			public const string LPC_STRING;
+			public const string MP2T_STRING;
+			public const string MPA_STRING;
+			public const string MPV_STRING;
+			public const string NV_STRING;
+			public const string PCMA_STRING;
+			public const string PCMU_STRING;
+			public const string QCELP_STRING;
+			public const int TS41;
+			public const string TS41_STRING;
+			public const int TS48;
+			public const string TS48_STRING;
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cprefix = "GST_RTP_PROFILE_", type_id = "gst_rtp_profile_get_type ()")]
+		[GIR (name = "RTPProfile")]
+		[Version (since = "1.6")]
+		public enum Profile {
+			UNKNOWN,
+			AVP,
+			SAVP,
+			AVPF,
+			SAVPF
+		}
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_BASE")]
+		public const string HDREXT_BASE;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_ELEMENT_CLASS")]
+		[Version (since = "1.20")]
+		public const string HDREXT_ELEMENT_CLASS;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_NTP_56")]
+		public const string HDREXT_NTP_56;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_NTP_56_SIZE")]
+		public const int HDREXT_NTP_56_SIZE;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_NTP_64")]
+		public const string HDREXT_NTP_64;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HDREXT_NTP_64_SIZE")]
+		public const int HDREXT_NTP_64_SIZE;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_HEADER_EXTENSION_URI_METADATA_KEY")]
+		[Version (since = "1.20")]
+		public const string HEADER_EXTENSION_URI_METADATA_KEY;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_SOURCE_META_MAX_CSRC_COUNT")]
+		public const int SOURCE_META_MAX_CSRC_COUNT;
+		[CCode (cheader_filename = "gst/rtp/rtp.h", cname = "GST_RTP_VERSION")]
+		public const int VERSION;
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		[Version (since = "1.20")]
+		public static GLib.List<Gst.RTP.HeaderExtension> get_header_extension_list ();
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static bool hdrext_get_ntp_56 ([CCode (array_length_cname = "size", array_length_pos = 1.5, array_length_type = "guint")] uint8[] data, out uint64 ntptime);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static bool hdrext_get_ntp_64 ([CCode (array_length_cname = "size", array_length_pos = 1.5, array_length_type = "guint")] uint8[] data, out uint64 ntptime);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static bool hdrext_set_ntp_56 (void* data, uint size, uint64 ntptime);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static bool hdrext_set_ntp_64 (void* data, uint size, uint64 ntptime);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static unowned Gst.RTP.PayloadInfo? payload_info_for_name (string media, string encoding_name);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static unowned Gst.RTP.PayloadInfo? payload_info_for_pt (uint8 payload_type);
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static GLib.Type source_meta_api_get_type ();
+		[CCode (cheader_filename = "gst/rtp/rtp.h")]
+		public static unowned Gst.MetaInfo? source_meta_get_info ();
+	}
+}