/* GStreamer * Copyright (C) 2017 Matthew Waters <matthew@centricular.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __WEBRTC_SDP_H__ #define __WEBRTC_SDP_H__ #include <gst/gst.h> #include <gst/webrtc/webrtc.h> #include "fwd.h" G_BEGIN_DECLS typedef enum { SDP_NONE, SDP_LOCAL, SDP_REMOTE, } SDPSource; G_GNUC_INTERNAL const gchar * _sdp_source_to_string (SDPSource source); G_GNUC_INTERNAL gboolean validate_sdp (GstWebRTCSignalingState state, SDPSource source, GstWebRTCSessionDescription * sdp, GError ** error); G_GNUC_INTERNAL GstWebRTCRTPTransceiverDirection _get_direction_from_media (const GstSDPMedia * media); G_GNUC_INTERNAL GstWebRTCRTPTransceiverDirection _intersect_answer_directions (GstWebRTCRTPTransceiverDirection offer, GstWebRTCRTPTransceiverDirection answer); G_GNUC_INTERNAL void _media_replace_direction (GstSDPMedia * media, GstWebRTCRTPTransceiverDirection direction); G_GNUC_INTERNAL GstWebRTCRTPTransceiverDirection _get_final_direction (GstWebRTCRTPTransceiverDirection local_dir, GstWebRTCRTPTransceiverDirection remote_dir); G_GNUC_INTERNAL GstWebRTCDTLSSetup _get_dtls_setup_from_media (const GstSDPMedia * media); G_GNUC_INTERNAL GstWebRTCDTLSSetup _intersect_dtls_setup (GstWebRTCDTLSSetup offer); G_GNUC_INTERNAL void _media_replace_setup (GstSDPMedia * media, GstWebRTCDTLSSetup setup); G_GNUC_INTERNAL GstWebRTCDTLSSetup _get_final_setup (GstWebRTCDTLSSetup local_setup, GstWebRTCDTLSSetup remote_setup); G_GNUC_INTERNAL gchar * _generate_fingerprint_from_certificate (gchar * certificate, GChecksumType checksum_type); G_GNUC_INTERNAL void _generate_ice_credentials (gchar ** ufrag, gchar ** password); G_GNUC_INTERNAL gboolean _media_has_attribute_key (const GstSDPMedia * media, const gchar * key); G_GNUC_INTERNAL int _get_sctp_port_from_media (const GstSDPMedia * media); G_GNUC_INTERNAL guint64 _get_sctp_max_message_size_from_media (const GstSDPMedia * media); G_GNUC_INTERNAL void _get_ice_credentials_from_sdp_media (const GstSDPMessage * sdp, guint media_idx, gchar ** ufrag, gchar ** pwd); G_GNUC_INTERNAL gboolean _message_media_is_datachannel (const GstSDPMessage * msg, guint media_id); G_GNUC_INTERNAL guint _message_get_datachannel_index (const GstSDPMessage * msg); G_GNUC_INTERNAL gboolean _get_bundle_index (GstSDPMessage * sdp, GStrv bundled, guint * idx); G_GNUC_INTERNAL gboolean _parse_bundle (GstSDPMessage * sdp, GStrv * bundled); G_GNUC_INTERNAL const gchar * _media_get_ice_pwd (const GstSDPMessage * msg, guint media_idx); G_GNUC_INTERNAL const gchar * _media_get_ice_ufrag (const GstSDPMessage * msg, guint media_idx); #endif /* __WEBRTC_UTILS_H__ */