--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/spandsp-sim/spandsp/rfc2198_sim.h	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,97 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * rfc2198_sim.h - Simulate the behaviour of RFC2198 (or UDPTL) redundancy.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2007 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: rfc2198_sim.h,v 1.6 2009/05/31 14:47:10 steveu Exp $
+ */
+
+/*! \file */
+
+/*! \page rfc2198_model_page RFC2198 simulation
+\section rfc2198_model_page_sec_1 What does it do?
+*/
+
+#if !defined(_RFC2198_SIM_H_)
+#define _RFC2198_SIM_H_
+
+/*! The definition of an element in the packet queue */
+typedef struct rfc2198_sim_queue_element_s
+{
+    struct rfc2198_sim_queue_element_s *next;
+    struct rfc2198_sim_queue_element_s *prev;
+    int seq_no;
+    double departure_time;
+    double arrival_time;
+    int len;
+    uint8_t pkt[];
+} rfc2198_sim_queue_element_t;
+
+/*! The model definition for a complete end-to-end path */
+typedef struct
+{
+    int redundancy_depth;
+    int next_seq_no;
+    g1050_state_t *g1050;
+    rfc2198_sim_queue_element_t *first;
+    rfc2198_sim_queue_element_t *last;
+    uint8_t tx_pkt[32][1024];
+    int tx_pkt_len[32];
+    int tx_pkt_seq_no[32];
+    int next_pkt;
+    uint8_t rx_pkt[32][1024];
+    int rx_pkt_len[32];
+    int rx_pkt_seq_no[32];
+    int rx_queued_pkts;
+} rfc2198_sim_state_t;
+
+#ifdef  __cplusplus
+extern "C"
+{
+#endif
+
+SPAN_DECLARE(rfc2198_sim_state_t *) rfc2198_sim_init(int model,
+                                                     int speed_pattern,
+                                                     int packet_size,
+                                                     int packet_rate,
+                                                     int redundancy_depth);
+
+SPAN_DECLARE(int) rfc2198_sim_put(rfc2198_sim_state_t *s,
+                                  const uint8_t buf[],
+                                  int len,
+                                  int seq_no,
+                                  double departure_time);
+
+SPAN_DECLARE(int) rfc2198_sim_get(rfc2198_sim_state_t *s,
+                                  uint8_t buf[],
+                                  int max_len,
+                                  double current_time,
+                                  int *seq_no,
+                                  double *departure_time,
+                                  double *arrival_time);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
+/*- End of file ------------------------------------------------------------*/