gstreamer/subprojects/gst-plugins-bad/ext/webrtc/webrtcdatachannel.h
Matthew Waters 5ca3988420 webrtc/datachannel: handle error messages from appsrc/sink
Fixes a possible race where closing a data channel may produce e.g.
not-linked errors.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3381>
2022-11-11 10:13:27 +00:00

79 lines
3 KiB
C

/* GStreamer
* Copyright (C) 2018 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_DATA_CHANNEL_H__
#define __WEBRTC_DATA_CHANNEL_H__
#include <gst/gst.h>
#include <gst/webrtc/webrtc_fwd.h>
#include <gst/webrtc/dtlstransport.h>
#include <gst/webrtc/datachannel.h>
#include "webrtcsctptransport.h"
#include "gst/webrtc/webrtc-priv.h"
G_BEGIN_DECLS
GType webrtc_data_channel_get_type(void);
#define WEBRTC_TYPE_DATA_CHANNEL (webrtc_data_channel_get_type())
#define WEBRTC_DATA_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannel))
#define WEBRTC_IS_DATA_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),WEBRTC_TYPE_DATA_CHANNEL))
#define WEBRTC_DATA_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannelClass))
#define WEBRTC_IS_DATA_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,WEBRTC_TYPE_DATA_CHANNEL))
#define WEBRTC_DATA_CHANNEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannelClass))
typedef struct _WebRTCDataChannel WebRTCDataChannel;
typedef struct _WebRTCDataChannelClass WebRTCDataChannelClass;
struct _WebRTCDataChannel
{
GstWebRTCDataChannel parent;
WebRTCSCTPTransport *sctp_transport;
GstElement *src_bin;
GstElement *appsrc;
GstElement *sink_bin;
GstElement *appsink;
GstWebRTCBin *webrtcbin;
gboolean opened;
gulong src_probe;
GError *stored_error;
gboolean peer_closed;
gpointer _padding[GST_PADDING];
};
struct _WebRTCDataChannelClass
{
GstWebRTCDataChannelClass parent_class;
gpointer _padding[GST_PADDING];
};
void webrtc_data_channel_start_negotiation (WebRTCDataChannel *channel);
G_GNUC_INTERNAL
void webrtc_data_channel_link_to_sctp (WebRTCDataChannel *channel,
WebRTCSCTPTransport *sctp_transport);
G_DECLARE_FINAL_TYPE (WebRTCErrorIgnoreBin, webrtc_error_ignore_bin, WEBRTC, ERROR_IGNORE_BIN, GstBin);
G_END_DECLS
#endif /* __WEBRTC_DATA_CHANNEL_H__ */