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/* GStreamer RTP Manager
*
* Copyright 2007 Collabora Ltd,
* Copyright 2007 Nokia Corporation
* @author: Philippe Kalaf <philippe.kalaf@collabora.co.uk>.
* Copyright 2007 Wim Taymans <wim.taymans@gmail.com>
* Copyright 2015 Kurento (http://kurento.org/)
* @author: Miguel París <mparisdiaz@gmail.com>
* Copyright 2016 Pexip AS
* @author: Havard Graff <havard@pexip.com>
* @author: Stian Selnes <stian@pexip.com>
* Copyright (C) 2019 Net Insight AB
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.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.
*/
#include <gst/gst.h>
#ifndef __RTP_TIMER_QUEUE_H__
#define __RTP_TIMER_QUEUE_H__
#define RTP_TYPE_TIMER_QUEUE rtp_timer_queue_get_type()
G_DECLARE_FINAL_TYPE (RtpTimerQueue, rtp_timer_queue, RTP_TIMER, QUEUE, GObject);
/**
* RtpTimerType:
* @RTP_TIMER_EXPECTED: This is used to track when to emit retranmission
* requests. They may be converted into %RTP_TIMER_LOST
* timer if the number of retry has been exhausted.
* @RTP_TIMER_LOST: This is used to track when a packet is considered lost.
* @RTP_TIMER_DEADLINE: This is used to track when the jitterbuffer should
* start pushing buffers.
* @RTP_TIMER_EOS: This is used to track when end of stream is reached.
*/
typedef enum
{
RTP_TIMER_EXPECTED,
RTP_TIMER_LOST,
RTP_TIMER_DEADLINE,
RTP_TIMER_EOS
} RtpTimerType;
typedef struct
{
GList list;
gboolean queued;
guint16 seqnum;
RtpTimerType type;
GstClockTime timeout;
GstClockTimeDiff offset;
GstClockTime duration;
GstClockTime rtx_base;
GstClockTime rtx_last;
guint num_rtx_retry;
guint num_rtx_received;
} RtpTimer;
void rtp_timer_free (RtpTimer * timer);
RtpTimer * rtp_timer_dup (const RtpTimer * timer);
static inline RtpTimer * rtp_timer_get_next (RtpTimer * timer)
{
GList *list = (GList *) timer;
return (RtpTimer *) list->next;
}
static inline RtpTimer * rtp_timer_get_prev (RtpTimer * timer)
{
GList *list = (GList *) timer;
return (RtpTimer *) list->prev;
}
RtpTimerQueue * rtp_timer_queue_new (void);
RtpTimer * rtp_timer_queue_find (RtpTimerQueue * queue, guint seqnum);
RtpTimer * rtp_timer_queue_peek_earliest (RtpTimerQueue * queue);
gboolean rtp_timer_queue_insert (RtpTimerQueue * queue, RtpTimer * timer);
gboolean rtp_timer_queue_reschedule (RtpTimerQueue * queue, RtpTimer * timer);
void rtp_timer_queue_unschedule (RtpTimerQueue * queue, RtpTimer * timer);
RtpTimer * rtp_timer_queue_pop_until (RtpTimerQueue * queue, GstClockTime timeout);
void rtp_timer_queue_remove_until (RtpTimerQueue * queue, GstClockTime timeout);
void rtp_timer_queue_remove_all (RtpTimerQueue * queue);
void rtp_timer_queue_set_timer (RtpTimerQueue * queue, RtpTimerType type,
guint16 seqnum, GstClockTime timeout,
GstClockTime delay, GstClockTime duration,
GstClockTimeDiff offset);
void rtp_timer_queue_set_expected (RtpTimerQueue * queue, guint16 seqnum,
GstClockTime timeout, GstClockTime delay,
GstClockTime duration);
void rtp_timer_queue_set_lost (RtpTimerQueue * queue, guint16 seqnum,
GstClockTime timeout,
GstClockTime duration, GstClockTimeDiff offset);
void rtp_timer_queue_set_eos (RtpTimerQueue * queue, GstClockTime timeout,
GstClockTimeDiff offset);
void rtp_timer_queue_set_deadline (RtpTimerQueue * queue, guint16 seqnum,
GstClockTime timeout, GstClockTimeDiff offset);
void rtp_timer_queue_update_timer (RtpTimerQueue * queue, RtpTimer * timer, guint16 seqnum,
GstClockTime timeout, GstClockTime delay,
GstClockTimeDiff offset, gboolean reset);
guint rtp_timer_queue_length (RtpTimerQueue * queue);
#endif
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