gstreamer/subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.h
Philippe Normand 299a000917 webrtcbin: Allow session level setup attribute in SDP
An SDP answer can declare its setup attribute at the session level or at the
media level. Until this patch we were validating only the latter case and an
assert was raised in the former case.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6930>
2024-05-27 14:21:15 +00:00

119 lines
6.1 KiB
C

/* 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 _get_dtls_setup_from_session (const GstSDPMessage * sdp);
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 _message_has_attribute_key (const GstSDPMessage * msg,
const gchar * key);
G_GNUC_INTERNAL
gboolean _get_bundle_index (GstSDPMessage * sdp,
GStrv bundled,
guint * idx);
G_GNUC_INTERNAL
gboolean _parse_bundle (GstSDPMessage * sdp,
GStrv * bundled,
GError ** error);
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);
G_GNUC_INTERNAL
gboolean _media_is_bundle_only (const GstSDPMedia * sdp);
#endif /* __WEBRTC_UTILS_H__ */