1 /* GStreamer 2 * Copyright (C) 2017 Matthew Waters <matthew@centricular.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __WEBRTC_UTILS_H__ 21 #define __WEBRTC_UTILS_H__ 22 23 #include <gst/gst.h> 24 #include <gst/webrtc/webrtc.h> 25 #include "fwd.h" 26 27 G_BEGIN_DECLS 28 29 GstPadTemplate * _find_pad_template (GstElement * element, 30 GstPadDirection direction, 31 GstPadPresence presence, 32 const gchar * name); 33 34 GstSDPMessage * _get_latest_sdp (GstWebRTCBin * webrtc); 35 GstSDPMessage * _get_latest_offer (GstWebRTCBin * webrtc); 36 GstSDPMessage * _get_latest_answer (GstWebRTCBin * webrtc); 37 GstSDPMessage * _get_latest_self_generated_sdp (GstWebRTCBin * webrtc); 38 39 GstWebRTCICEStream * _find_ice_stream_for_session (GstWebRTCBin * webrtc, 40 guint session_id); 41 void _add_ice_stream_item (GstWebRTCBin * webrtc, 42 guint session_id, 43 GstWebRTCICEStream * stream); 44 45 struct pad_block 46 { 47 GstElement *element; 48 GstPad *pad; 49 gulong block_id; 50 gpointer user_data; 51 GDestroyNotify notify; 52 }; 53 54 void _free_pad_block (struct pad_block *block); 55 struct pad_block * _create_pad_block (GstElement * element, 56 GstPad * pad, 57 gulong block_id, 58 gpointer user_data, 59 GDestroyNotify notify); 60 61 G_GNUC_INTERNAL 62 gchar * _enum_value_to_string (GType type, guint value); 63 G_GNUC_INTERNAL 64 const gchar * _g_checksum_to_webrtc_string (GChecksumType type); 65 G_GNUC_INTERNAL 66 GstCaps * _rtp_caps_from_media (const GstSDPMedia * media); 67 G_GNUC_INTERNAL 68 GstWebRTCKind webrtc_kind_from_caps (const GstCaps * caps); 69 70 G_END_DECLS 71 72 #endif /* __WEBRTC_UTILS_H__ */ 73