mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 21:01:14 +00:00
177aa22bcd
Limitations: - No transport changes at all (ICE, DTLS) - Codec changes are untested and probably don't work - Stream removal doesn't remove transports (i.e. non-bundled transports will stay around until webrtcbin is shutdown) - Unified Plan SDP only. No Plan-B support.
110 lines
5.6 KiB
C
110 lines
5.6 KiB
C
/* GStreamer
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* Copyright (C) 2017 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __WEBRTC_SDP_H__
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#define __WEBRTC_SDP_H__
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#include <gst/gst.h>
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#include <gst/webrtc/webrtc.h>
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#include "fwd.h"
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G_BEGIN_DECLS
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typedef enum
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{
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SDP_NONE,
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SDP_LOCAL,
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SDP_REMOTE,
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} SDPSource;
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G_GNUC_INTERNAL
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const gchar * _sdp_source_to_string (SDPSource source);
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G_GNUC_INTERNAL
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gboolean validate_sdp (GstWebRTCSignalingState state,
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SDPSource source,
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GstWebRTCSessionDescription * sdp,
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GError ** error);
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G_GNUC_INTERNAL
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GstWebRTCRTPTransceiverDirection _get_direction_from_media (const GstSDPMedia * media);
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G_GNUC_INTERNAL
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GstWebRTCRTPTransceiverDirection _intersect_answer_directions (GstWebRTCRTPTransceiverDirection offer,
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GstWebRTCRTPTransceiverDirection answer);
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G_GNUC_INTERNAL
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void _media_replace_direction (GstSDPMedia * media,
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GstWebRTCRTPTransceiverDirection direction);
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G_GNUC_INTERNAL
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GstWebRTCRTPTransceiverDirection _get_final_direction (GstWebRTCRTPTransceiverDirection local_dir,
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GstWebRTCRTPTransceiverDirection remote_dir);
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G_GNUC_INTERNAL
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GstWebRTCDTLSSetup _get_dtls_setup_from_media (const GstSDPMedia * media);
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G_GNUC_INTERNAL
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GstWebRTCDTLSSetup _intersect_dtls_setup (GstWebRTCDTLSSetup offer);
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G_GNUC_INTERNAL
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void _media_replace_setup (GstSDPMedia * media,
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GstWebRTCDTLSSetup setup);
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G_GNUC_INTERNAL
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GstWebRTCDTLSSetup _get_final_setup (GstWebRTCDTLSSetup local_setup,
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GstWebRTCDTLSSetup remote_setup);
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G_GNUC_INTERNAL
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gchar * _generate_fingerprint_from_certificate (gchar * certificate,
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GChecksumType checksum_type);
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G_GNUC_INTERNAL
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void _generate_ice_credentials (gchar ** ufrag,
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gchar ** password);
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G_GNUC_INTERNAL
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gboolean _media_has_attribute_key (const GstSDPMedia * media,
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const gchar * key);
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G_GNUC_INTERNAL
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int _get_sctp_port_from_media (const GstSDPMedia * media);
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G_GNUC_INTERNAL
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guint64 _get_sctp_max_message_size_from_media (const GstSDPMedia * media);
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G_GNUC_INTERNAL
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void _get_ice_credentials_from_sdp_media (const GstSDPMessage * sdp,
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guint media_idx,
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gchar ** ufrag,
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gchar ** pwd);
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G_GNUC_INTERNAL
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gboolean _message_media_is_datachannel (const GstSDPMessage * msg,
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guint media_id);
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G_GNUC_INTERNAL
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guint _message_get_datachannel_index (const GstSDPMessage * msg);
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G_GNUC_INTERNAL
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gboolean _get_bundle_index (GstSDPMessage * sdp,
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GStrv bundled,
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guint * idx);
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G_GNUC_INTERNAL
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gboolean _parse_bundle (GstSDPMessage * sdp,
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GStrv * bundled);
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G_GNUC_INTERNAL
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const gchar * _media_get_ice_pwd (const GstSDPMessage * msg,
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guint media_idx);
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G_GNUC_INTERNAL
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const gchar * _media_get_ice_ufrag (const GstSDPMessage * msg,
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guint media_idx);
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#endif /* __WEBRTC_UTILS_H__ */
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