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b8b4124c8b
Reordering of packets is not very common in networks, and the delay functions will always introduce reordering if delay > packet-spacing, so by setting allow-reordering to FALSE you guarantee that the packets are in order, while at the same time introducing delay/jitter to them.
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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* Farsight Voice+Video library
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*
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* Copyright 2006 Collabora Ltd,
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* Copyright 2006 Nokia Corporation
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* @author: Philippe Kalaf <philippe.kalaf@collabora.co.uk>.
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GST_NET_SIM_H__
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#define __GST_NET_SIM_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/* #define's don't like whitespacey bits */
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#define GST_TYPE_NET_SIM \
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(gst_net_sim_get_type())
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#define GST_NET_SIM(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_TYPE_NET_SIM,GstNetSim))
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#define GST_NET_SIM_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_TYPE_NET_SIM,GstNetSimClass))
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#define GST_IS_NET_SIM(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NET_SIM))
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#define GST_IS_NET_SIM_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NET_SIM))
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typedef struct _GstNetSim GstNetSim;
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typedef struct _GstNetSimClass GstNetSimClass;
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typedef enum
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{
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DISTRIBUTION_UNIFORM,
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DISTRIBUTION_NORMAL,
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DISTRIBUTION_GAMMA
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} GstNetSimDistribution;
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typedef struct
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{
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gboolean generate;
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gdouble z0;
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gdouble z1;
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} NormalDistributionState;
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struct _GstNetSim
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{
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GstElement parent;
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GstPad *sinkpad;
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GstPad *srcpad;
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GMutex loop_mutex;
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GCond start_cond;
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GMainLoop *main_loop;
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gboolean running;
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GRand *rand_seed;
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gsize bucket_size;
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GstClockTime prev_time;
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NormalDistributionState delay_state;
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gint64 last_ready_time;
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/* properties */
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gint min_delay;
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gint max_delay;
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GstNetSimDistribution delay_distribution;
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gfloat delay_probability;
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gfloat drop_probability;
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gfloat duplicate_probability;
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guint drop_packets;
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gint max_kbps;
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gint max_bucket_size;
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gboolean allow_reordering;
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};
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struct _GstNetSimClass
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{
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GstElementClass parent_class;
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};
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GType gst_net_sim_get_type (void);
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G_END_DECLS
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#endif /* __GST_NET_SIM_H__ */
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