gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/webrtc/ice.h
Philippe Normand 906b90287c webrtcbin: Relay add-ice-candidate errors from Ice implementation to Application
The `add_candidate` vfunc of the GstWebRTCICE interface gained a GstPromise
argument, which is an ABI break. We're not aware of any external user of this
interface yet so we think it's OK.

This change is useful in cases where the application needs to bubble up errors
from the underlying ICE agent, for instance when the agent was given an invalid
ICE candidate.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3960>
2023-02-27 09:09:47 +00:00

263 lines
13 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 __GST_WEBRTC_ICE_H__
#define __GST_WEBRTC_ICE_H__
#include <gst/webrtc/webrtc_fwd.h>
G_BEGIN_DECLS
GST_WEBRTC_API
GType gst_webrtc_ice_get_type(void);
#define GST_TYPE_WEBRTC_ICE (gst_webrtc_ice_get_type())
#define GST_WEBRTC_ICE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WEBRTC_ICE,GstWebRTCICE))
#define GST_IS_WEBRTC_ICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WEBRTC_ICE))
#define GST_WEBRTC_ICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_WEBRTC_ICE,GstWebRTCICEClass))
#define GST_IS_WEBRTC_ICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_WEBRTC_ICE))
#define GST_WEBRTC_ICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_WEBRTC_ICE,GstWebRTCICEClass))
struct _GstWebRTCICE
{
GstObject parent;
GstWebRTCICEGatheringState ice_gathering_state;
GstWebRTCICEConnectionState ice_connection_state;
/*< protected >*/
guint min_rtp_port;
guint max_rtp_port;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstWebRTCICECandidateStats
{
gchar *ipaddr;
guint port;
guint stream_id;
const gchar *type;
const gchar *proto;
const gchar *relay_proto;
guint prio;
gchar *url;
gpointer _gst_reserved[GST_PADDING_LARGE];
};
/**
* GstWebRTCICEOnCandidateFunc:
* @ice: The #GstWebRTCICE
* @stream_id: The stream id
* @candidate: The discovered candidate
* @user_data: User data that was set by #gst_webrtc_ice_set_on_ice_candidate
*
* Callback function to be triggered on discovery of a new candidate
* Since: 1.22
*/
typedef void (*GstWebRTCICEOnCandidateFunc) (GstWebRTCICE * ice, guint stream_id, const gchar * candidate, gpointer user_data);
struct _GstWebRTCICEClass {
GstObjectClass parent_class;
GstWebRTCICEStream * (*add_stream) (GstWebRTCICE * ice,
guint session_id);
GstWebRTCICETransport * (*find_transport) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
GstWebRTCICEComponent component);
gboolean (*gather_candidates) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
void (*add_candidate) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * candidate,
GstPromise * promise);
gboolean (*set_local_credentials) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * ufrag,
const gchar * pwd);
gboolean (*set_remote_credentials) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * ufrag,
const gchar * pwd);
gboolean (*add_turn_server) (GstWebRTCICE * ice,
const gchar * uri);
void (*set_is_controller) (GstWebRTCICE * ice,
gboolean controller);
gboolean (*get_is_controller) (GstWebRTCICE * ice);
void (*set_force_relay) (GstWebRTCICE * ice,
gboolean force_relay);
void (*set_stun_server) (GstWebRTCICE * ice,
const gchar * uri);
gchar * (*get_stun_server) (GstWebRTCICE * ice);
void (*set_turn_server) (GstWebRTCICE * ice,
const gchar * uri);
gchar * (*get_turn_server) (GstWebRTCICE * ice);
/**
* GstWebRTCICEClass::set_http_proxy:
* @ice: a #GstWebRTCICE
* @uri: (transfer none): URI of the HTTP proxy of the form
* http://[username:password@]hostname[:port]
*
* Set HTTP Proxy to be used when connecting to TURN server.
*
* Since: 1.22
*/
void (*set_http_proxy) (GstWebRTCICE * ice,
const gchar * uri);
/**
* GstWebRTCICEClass::get_http_proxy:
* @ice: a #GstWebRTCICE
*
* Get HTTP Proxy to be used when connecting to TURN server.
*
* Returns: (transfer full): URI of the HTTP proxy of the form
* http://[username:password@]hostname[:port]
*
* Since: 1.22
*/
gchar * (*get_http_proxy) (GstWebRTCICE * ice);
void (*set_tos) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
guint tos);
void (*set_on_ice_candidate) (GstWebRTCICE * ice,
GstWebRTCICEOnCandidateFunc func,
gpointer user_data,
GDestroyNotify notify);
GstWebRTCICECandidateStats** (*get_local_candidates)(GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
GstWebRTCICECandidateStats**(*get_remote_candidates)(GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
gboolean (*get_selected_pair) (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
GstWebRTCICECandidateStats ** local_stats,
GstWebRTCICECandidateStats ** remote_stats);
gpointer _gst_reserved[GST_PADDING];
};
GST_WEBRTC_API
GstWebRTCICEStream * gst_webrtc_ice_add_stream (GstWebRTCICE * ice,
guint session_id);
GST_WEBRTC_API
GstWebRTCICETransport * gst_webrtc_ice_find_transport (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
GstWebRTCICEComponent component);
GST_WEBRTC_API
gboolean gst_webrtc_ice_gather_candidates (GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
/* FIXME: GstStructure-ize the candidate */
GST_WEBRTC_API
void gst_webrtc_ice_add_candidate (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * candidate,
GstPromise * promise);
GST_WEBRTC_API
gboolean gst_webrtc_ice_set_local_credentials (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * ufrag,
const gchar * pwd);
GST_WEBRTC_API
gboolean gst_webrtc_ice_set_remote_credentials (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
const gchar * ufrag,
const gchar * pwd);
GST_WEBRTC_API
gboolean gst_webrtc_ice_add_turn_server (GstWebRTCICE * ice,
const gchar * uri);
GST_WEBRTC_API
void gst_webrtc_ice_set_is_controller (GstWebRTCICE * ice,
gboolean controller);
GST_WEBRTC_API
gboolean gst_webrtc_ice_get_is_controller (GstWebRTCICE * ice);
GST_WEBRTC_API
void gst_webrtc_ice_set_force_relay (GstWebRTCICE * ice,
gboolean force_relay);
GST_WEBRTC_API
void gst_webrtc_ice_set_stun_server (GstWebRTCICE * ice,
const gchar * uri);
GST_WEBRTC_API
gchar * gst_webrtc_ice_get_stun_server (GstWebRTCICE * ice);
GST_WEBRTC_API
void gst_webrtc_ice_set_turn_server (GstWebRTCICE * ice,
const gchar * uri);
GST_WEBRTC_API
gchar * gst_webrtc_ice_get_turn_server (GstWebRTCICE * ice);
GST_WEBRTC_API
void gst_webrtc_ice_set_http_proxy (GstWebRTCICE * ice,
const gchar * uri);
GST_WEBRTC_API
gchar * gst_webrtc_ice_get_http_proxy (GstWebRTCICE * ice);
GST_WEBRTC_API
void gst_webrtc_ice_set_on_ice_candidate (GstWebRTCICE * ice,
GstWebRTCICEOnCandidateFunc func,
gpointer user_data,
GDestroyNotify notify);
GST_WEBRTC_API
void gst_webrtc_ice_set_tos (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
guint tos);
GST_WEBRTC_API
GstWebRTCICECandidateStats** gst_webrtc_ice_get_local_candidates (GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
GST_WEBRTC_API
GstWebRTCICECandidateStats** gst_webrtc_ice_get_remote_candidates (GstWebRTCICE * ice,
GstWebRTCICEStream * stream);
GST_WEBRTC_API
gboolean gst_webrtc_ice_get_selected_pair (GstWebRTCICE * ice,
GstWebRTCICEStream * stream,
GstWebRTCICECandidateStats ** local_stats,
GstWebRTCICECandidateStats ** remote_stats);
GST_WEBRTC_API
void gst_webrtc_ice_candidate_stats_free (GstWebRTCICECandidateStats * stats);
GST_WEBRTC_API
GType gst_webrtc_ice_candidate_stats_get_type (void);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstWebRTCICE, gst_object_unref)
GST_WEBRTC_API
GstWebRTCICECandidateStats * gst_webrtc_ice_candidate_stats_copy (GstWebRTCICECandidateStats *stats);
G_END_DECLS
#endif /* __GST_WEBRTC_ICE_H__ */