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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
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/* GStreamer
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* Copyright (C) 2019 Pexip (http://pexip.com/)
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* @author: Havard Graff <havard@pexip.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 __RTP_TWCC_H__
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#define __RTP_TWCC_H__
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#include <gst/gst.h>
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#include <gst/rtp/rtp.h>
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#include "rtpstats.h"
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typedef struct _RTPTWCCManager RTPTWCCManager;
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typedef struct _RTPTWCCPacket RTPTWCCPacket;
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typedef enum _RTPTWCCPacketStatus RTPTWCCPacketStatus;
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enum _RTPTWCCPacketStatus
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{
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RTP_TWCC_PACKET_STATUS_NOT_RECV = 0,
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RTP_TWCC_PACKET_STATUS_SMALL_DELTA = 1,
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RTP_TWCC_PACKET_STATUS_LARGE_NEGATIVE_DELTA = 2,
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};
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struct _RTPTWCCPacket
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{
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GstClockTime local_ts;
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GstClockTime remote_ts;
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GstClockTimeDiff local_delta;
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GstClockTimeDiff remote_delta;
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GstClockTimeDiff delta_delta;
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RTPTWCCPacketStatus status;
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guint16 seqnum;
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guint size;
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};
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RTPTWCCManager * rtp_twcc_manager_new (guint mtu);
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void rtp_twcc_manager_free (RTPTWCCManager * twcc);
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void rtp_twcc_manager_set_mtu (RTPTWCCManager * twcc, guint mtu);
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gboolean rtp_twcc_manager_recv_packet (RTPTWCCManager * twcc,
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guint16 seqnum, RTPPacketInfo * pinfo);
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void rtp_twcc_manager_send_packet (RTPTWCCManager * twcc,
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guint16 seqnum, RTPPacketInfo * pinfo);
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void rtp_twcc_manager_set_send_packet_ts (RTPTWCCManager * twcc,
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guint packet_id, GstClockTime ts);
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GstBuffer * rtp_twcc_manager_get_feedback (RTPTWCCManager * twcc,
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guint32 sender_ssrc);
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GArray * rtp_twcc_manager_parse_fci (RTPTWCCManager * twcc,
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guint8 * fci_data, guint fci_length);
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#endif /* __RTP_TWCC_H__ */
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