1 /* GStreamer 2 * Copyright (C) 2020 Matthew Waters <matthew@centricular.com> 3 * 4 * gstrtphdrexttwcc.h: transport-wide-cc RTP header extensions for the 5 * Audio/Video RTP Profile 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 20 * Boston, MA 02111-1307, USA. 21 */ 22 23 #ifndef __GST_RTPHDREXT_TWCC_H__ 24 #define __GST_RTPHDREXT_TWCC_H__ 25 26 #include <gst/gst.h> 27 #include <gst/rtp/gstrtphdrext.h> 28 29 G_BEGIN_DECLS 30 31 GType gst_rtp_header_extension_twcc_get_type (void); 32 #define GST_TYPE_RTP_HEADER_EXTENSION_TWCC (gst_rtp_header_extension_twcc_get_type()) 33 #define GST_RTP_HEADER_EXTENSION_TWCC(obj) \ 34 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_HEADER_EXTENSION_TWCC,GstRTPHeaderExtensionTWCC)) 35 #define GST_RTP_HEADER_EXTENSION_TWCC_CLASS(klass) \ 36 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_HEADER_EXTENSION_TWCC,GstRTPHeaderExtensionTWCCClass)) 37 #define GST_RTP_HEADER_EXTENSION_TWCC_GET_CLASS(obj) \ 38 (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_RTP_HEADER_EXTENSION_TWCC,GstRTPHeaderExtensionTWCCClass)) 39 #define GST_IS_RTP_HEADER_EXTENSION_TWCC(obj) \ 40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_HEADER_EXTENSION_TWCC)) 41 #define GST_IS_RTP_HEADER_EXTENSION_TWCC_CLASS(klass) \ 42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_HEADER_EXTENSION_TWCC)) 43 #define GST_RTP_HEADER_EXTENSION_TWCC_CAST(obj) ((GstRTPHeaderExtensionTWCC *)(obj)) 44 45 typedef struct _GstRTPHeaderExtensionTWCC GstRTPHeaderExtensionTWCC; 46 typedef struct _GstRTPHeaderExtensionTWCCClass GstRTPHeaderExtensionTWCCClass; 47 48 /** 49 * GstRTPHeaderExtensionTWCC: 50 * @parent: the parent #GstRTPHeaderExtension 51 * 52 * Instance struct for a transport-wide-cc RTP Audio/Video header extension. 53 * 54 * http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01 55 */ 56 struct _GstRTPHeaderExtensionTWCC 57 { 58 GstRTPHeaderExtension parent; 59 60 guint16 seqnum; 61 guint n_streams; 62 63 /*< private >*/ 64 gpointer _gst_reserved[GST_PADDING]; 65 }; 66 67 /** 68 * GstRTPHeaderExtensionTWCCClass: 69 * @parent_class: the parent class 70 */ 71 struct _GstRTPHeaderExtensionTWCCClass 72 { 73 GstRTPHeaderExtensionClass parent_class; 74 75 /*< private >*/ 76 gpointer _gst_reserved[GST_PADDING]; 77 }; 78 79 GST_ELEMENT_REGISTER_DECLARE (rtphdrexttwcc); 80 81 G_END_DECLS 82 83 #endif /* __GST_RTPHDREXT_TWCC_H__ */ 84