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/* GStreamer
* Copyright (C) 2019 Pexip (http://pexip.com/)
* @author: Havard Graff <havard@pexip.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 __RTP_TWCC_H__
#define __RTP_TWCC_H__
#include <gst/gst.h>
#include <gst/rtp/rtp.h>
#include "rtpstats.h"
typedef struct _RTPTWCCPacket RTPTWCCPacket;
typedef enum _RTPTWCCPacketStatus RTPTWCCPacketStatus;
G_DECLARE_FINAL_TYPE (RTPTWCCManager, rtp_twcc_manager, RTP, TWCC_MANAGER, GObject)
#define RTP_TYPE_TWCC_MANAGER (rtp_twcc_manager_get_type())
#define RTP_TWCC_MANAGER_CAST(obj) ((RTPTWCCManager *)(obj))
enum _RTPTWCCPacketStatus
{
RTP_TWCC_PACKET_STATUS_NOT_RECV = 0,
RTP_TWCC_PACKET_STATUS_SMALL_DELTA = 1,
RTP_TWCC_PACKET_STATUS_LARGE_NEGATIVE_DELTA = 2,
};
struct _RTPTWCCPacket
{
GstClockTime local_ts;
GstClockTime remote_ts;
GstClockTimeDiff local_delta;
GstClockTimeDiff remote_delta;
GstClockTimeDiff delta_delta;
RTPTWCCPacketStatus status;
guint16 seqnum;
guint size;
};
RTPTWCCManager * rtp_twcc_manager_new (guint mtu);
void rtp_twcc_manager_set_mtu (RTPTWCCManager * twcc, guint mtu);
void rtp_twcc_manager_set_feedback_interval (RTPTWCCManager * twcc,
GstClockTime feedback_interval);
GstClockTime rtp_twcc_manager_get_feedback_interval (RTPTWCCManager * twcc);
gboolean rtp_twcc_manager_recv_packet (RTPTWCCManager * twcc,
guint16 seqnum, RTPPacketInfo * pinfo);
void rtp_twcc_manager_send_packet (RTPTWCCManager * twcc,
guint16 seqnum, RTPPacketInfo * pinfo);
GstBuffer * rtp_twcc_manager_get_feedback (RTPTWCCManager * twcc,
guint32 sender_ssrc);
GArray * rtp_twcc_manager_parse_fci (RTPTWCCManager * twcc,
guint8 * fci_data, guint fci_length);
#endif /* __RTP_TWCC_H__ */
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