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