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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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268ce06c78
The previous approach of using a simple pointer could lead to a use-after-free in case a data-channel was created and its parent webrtcbin was disposed soon after. Fixes #2103 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4580>
83 lines
3.2 KiB
C
83 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) 2018 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_DATA_CHANNEL_H__
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#define __WEBRTC_DATA_CHANNEL_H__
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#include <gst/gst.h>
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#include <gst/webrtc/webrtc_fwd.h>
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#include <gst/webrtc/dtlstransport.h>
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#include <gst/webrtc/datachannel.h>
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#include "webrtcsctptransport.h"
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#include "gst/webrtc/webrtc-priv.h"
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G_BEGIN_DECLS
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GType webrtc_data_channel_get_type(void);
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#define WEBRTC_TYPE_DATA_CHANNEL (webrtc_data_channel_get_type())
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#define WEBRTC_DATA_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannel))
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#define WEBRTC_IS_DATA_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),WEBRTC_TYPE_DATA_CHANNEL))
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#define WEBRTC_DATA_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannelClass))
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#define WEBRTC_IS_DATA_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,WEBRTC_TYPE_DATA_CHANNEL))
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#define WEBRTC_DATA_CHANNEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,WEBRTC_TYPE_DATA_CHANNEL,WebRTCDataChannelClass))
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typedef struct _WebRTCDataChannel WebRTCDataChannel;
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typedef struct _WebRTCDataChannelClass WebRTCDataChannelClass;
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struct _WebRTCDataChannel
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{
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GstWebRTCDataChannel parent;
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WebRTCSCTPTransport *sctp_transport;
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GstElement *src_bin;
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GstElement *appsrc;
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GstElement *sink_bin;
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GstElement *appsink;
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GWeakRef webrtcbin_weak;
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gboolean opened;
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gulong src_probe;
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GError *stored_error;
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gboolean peer_closed;
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gpointer _padding[GST_PADDING];
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};
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struct _WebRTCDataChannelClass
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{
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GstWebRTCDataChannelClass parent_class;
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gpointer _padding[GST_PADDING];
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};
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void webrtc_data_channel_start_negotiation (WebRTCDataChannel *channel);
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G_GNUC_INTERNAL
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void webrtc_data_channel_link_to_sctp (WebRTCDataChannel *channel,
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WebRTCSCTPTransport *sctp_transport);
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G_GNUC_INTERNAL
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void webrtc_data_channel_set_webrtcbin (WebRTCDataChannel *channel,
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GstWebRTCBin *webrtcbin);
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G_DECLARE_FINAL_TYPE (WebRTCErrorIgnoreBin, webrtc_error_ignore_bin, WEBRTC, ERROR_IGNORE_BIN, GstBin);
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G_END_DECLS
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#endif /* __WEBRTC_DATA_CHANNEL_H__ */
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