qosanalyzer.h 3.07 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
/*
mediastreamer2 library - modular sound and video processing and streaming

 * Copyright (C) 2011  Belledonne Communications, Grenoble, France

	 Author: Simon Morlat <simon.morlat@linphone.org>

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */


#ifndef msqosanalyzer_hh
#define msqosanalyzer_hh

#include "mediastreamer2/bitratecontrol.h"

#ifdef __cplusplus
extern "C" {
#endif
32 33 34 35 36


	/**************************************************************************/
	/*************************** Simple QoS analyzer **************************/
	/**************************************************************************/
37
	#define STATS_HISTORY 3
38
	#define ESTIM_HISTORY 30
39 40 41 42 43 44 45 46 47 48
	static const float unacceptable_loss_rate=10;
	static const int big_jitter=10; /*ms */
	static const float significant_delay=0.2; /*seconds*/

	typedef struct rtpstats{
		float lost_percentage; /*percentage of lost packet since last report*/
		float int_jitter; /*interrarrival jitter */
		float rt_prop; /*round trip propagation*/
	}rtpstats_t;

49 50
	typedef struct _MSSimpleQosAnalyzer{
		MSQosAnalyzer parent;
51 52 53 54 55 56
		RtpSession *session;
		int clockrate;
		rtpstats_t stats[STATS_HISTORY];
		int curindex;
		bool_t rt_prop_doubled;
		bool_t pad[3];
57
	}MSSimpleQosAnalyzer;
58

59 60 61 62

	/**************************************************************************/
	/************************* Stateful QoS analyzer **************************/
	/**************************************************************************/
63
	#define BW_HISTORY 10
64 65

	typedef struct {
66
		time_t timestamp;
67 68 69 70 71
		double bandwidth;
		double loss_percent;
		double rtt;
	} rtcpstatspoint_t;

72 73 74 75 76 77
	typedef struct {
		uint32_t seq_number;
		float up_bandwidth;
	} bandwidthseqnum;


78 79 80 81 82
	typedef enum _MSStatefulQosAnalyzerBurstState{
		MSStatefulQosAnalyzerBurstDisable,
		MSStatefulQosAnalyzerBurstInProgress,
		MSStatefulQosAnalyzerBurstEnable,
	}MSStatefulQosAnalyzerBurstState;
83

84 85
	typedef struct _MSStatefulQosAnalyzer{
		MSQosAnalyzer parent;
86 87 88
		RtpSession *session;
		int curindex;

89 90
		MSList *rtcpstatspoint;
		rtcpstatspoint_t *latest;
91 92
		double network_loss_rate;
		double congestion_bandwidth;
93

94
		MSStatefulQosAnalyzerBurstState burst_state;
95 96
		struct timeval start_time;

97 98
		uint32_t upload_bandwidth_count; /*deprecated*/
		double upload_bandwidth_sum; /*deprecated*/
99
		double upload_bandwidth_latest;
100 101
		int upload_bandwidth_cur;
		bandwidthseqnum upload_bandwidth[BW_HISTORY];
102 103 104

		double burst_ratio;
		double burst_duration_ms;
105
	}MSStatefulQosAnalyzer;
106 107 108 109 110
#ifdef __cplusplus
}
#endif

#endif