gstreamer/ext/webrtc/webrtcsdp.h
Matthew Waters e2d88f0569 webrtc: propagate more errors through the promise
Return errors on promises when things fail where available.

Things like parsing errors, invalid states, missing fields, unsupported
transitions, etc.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1565>
2020-09-14 04:04:29 +00:00

117 lines
6 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 _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__ */