gstreamer/gst/rtpmanager/gstrtpssrcdemux.h
Mikhail Fludkov 35596e7fac rtpssrcdemux: introduce max-streams property
The property is useful against atacks when the sender changes SSRC for
every RTP packet. The property with the same name introduced in rtpbin
was not enough, because we still can end up with thousands of pads
allocated in rtpssrcdemux.
2020-02-11 15:10:12 +01:00

61 lines
2.1 KiB
C

/* GStreamer
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.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_RTP_SSRC_DEMUX_H__
#define __GST_RTP_SSRC_DEMUX_H__
#include <gst/gst.h>
#define GST_TYPE_RTP_SSRC_DEMUX (gst_rtp_ssrc_demux_get_type())
#define GST_RTP_SSRC_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_SSRC_DEMUX,GstRtpSsrcDemux))
#define GST_RTP_SSRC_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_SSRC_DEMUX,GstRtpSsrcDemuxClass))
#define GST_IS_RTP_SSRC_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_SSRC_DEMUX))
#define GST_IS_RTP_SSRC_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_SSRC_DEMUX))
typedef struct _GstRtpSsrcDemux GstRtpSsrcDemux;
typedef struct _GstRtpSsrcDemuxClass GstRtpSsrcDemuxClass;
typedef struct _GstRtpSsrcDemuxPad GstRtpSsrcDemuxPad;
struct _GstRtpSsrcDemux
{
GstElement parent;
GstPad *rtp_sink;
GstPad *rtcp_sink;
GRecMutex padlock;
GSList *srcpads;
guint max_streams;
};
struct _GstRtpSsrcDemuxClass
{
GstElementClass parent_class;
/* signals */
void (*new_ssrc_pad) (GstRtpSsrcDemux *demux, guint32 ssrc, GstPad *pad);
void (*removed_ssrc_pad) (GstRtpSsrcDemux *demux, guint32 ssrc, GstPad *pad);
/* actions */
void (*clear_ssrc) (GstRtpSsrcDemux *demux, guint32 ssrc);
};
GType gst_rtp_ssrc_demux_get_type (void);
#endif /* __GST_RTP_SSRC_DEMUX_H__ */