Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 124 insertions, 0 deletions

diff --git a/ui/tap-rtp-analysis.h b/ui/tap-rtp-analysis.h
new file mode 100644
index 00000000..0ad6d9bc
--- /dev/null
+++ b/ui/tap-rtp-analysis.h
@@ -0,0 +1,124 @@
+/** @file
+ *
+ * RTP analysis addition for Wireshark
+ *
+ * Copyright 2003, Alcatel Business Systems
+ * By Lars Ruoff <lars.ruoff@gmx.net>
+ *
+ * based on tap_rtp.c
+ * Copyright 2003, Iskratel, Ltd, Kranj
+ * By Miha Jemec <m.jemec@iskratel.si>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __TAP_RTP_ANALYSIS_H__
+#define __TAP_RTP_ANALYSIS_H__
+
+#include <epan/address.h>
+#include <epan/packet_info.h>
+
+/** @file
+ *  ???
+ *  @todo what's this?
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/****************************************************************************/
+/* structure that holds the information about the forward and reversed direction */
+typedef struct _bw_history_item {
+    double time;
+    guint32 bytes;
+} bw_history_item;
+
+#define BUFF_BW 300
+
+typedef struct _tap_rtp_stat_t {
+    gboolean        first_packet; /**< do not use in code that is called after rtppacket_analyse */
+                               /* use (flags & STAT_FLAG_FIRST) instead */
+    /* all of the following fields will be initialized after
+     * rtppacket_analyse has been called
+     */
+    guint32         flags;      /* see STAT_FLAG-defines below */
+    guint16         seq_num;
+    guint32         timestamp;
+    guint32         seq_timestamp;
+    guint32         first_timestamp;
+    double          bandwidth;
+    bw_history_item bw_history[BUFF_BW];
+    guint16         bw_start_index;
+    guint16         bw_index;
+    guint32         total_bytes;
+    guint32         clock_rate;
+    double          delta;
+    double          jitter;
+    double          diff;
+    double          skew;
+    double          sumt;
+    double          sumTS;
+    double          sumt2;
+    double          sumtTS;
+    double          time;       /**< Unit is ms */
+    double          start_time; /**< Unit is ms */
+    double          lastnominaltime;
+    double          lastarrivaltime;
+    double          min_delta;
+    double          max_delta;
+    double          mean_delta;
+    double          min_jitter;
+    double          max_jitter;
+    double          max_skew;
+    double          mean_jitter;
+    guint32         max_nr;
+    guint16         start_seq_nr;
+    guint16         stop_seq_nr;
+    guint32         total_nr;
+    guint32         sequence;
+    gboolean        under;
+    gint            seq_cycles;
+    guint16         pt;
+    int             reg_pt;
+    guint32         first_packet_num;
+    guint           last_payload_len;
+} tap_rtp_stat_t;
+
+typedef struct _tap_rtp_save_data_t {
+    guint32 timestamp;
+    unsigned int payload_type;
+    size_t payload_len;
+} tap_rtp_save_data_t;
+
+#define PT_UNDEFINED -1
+
+/* status flags for the flags parameter in tap_rtp_stat_t */
+#define STAT_FLAG_FIRST             0x001
+#define STAT_FLAG_MARKER            0x002
+#define STAT_FLAG_WRONG_SEQ         0x004
+#define STAT_FLAG_PT_CHANGE         0x008
+#define STAT_FLAG_PT_CN             0x010
+#define STAT_FLAG_FOLLOW_PT_CN      0x020
+#define STAT_FLAG_REG_PT_CHANGE     0x040
+#define STAT_FLAG_WRONG_TIMESTAMP   0x080
+#define STAT_FLAG_PT_T_EVENT        0x100
+#define STAT_FLAG_DUP_PKT           0x200
+
+/* forward */
+struct _rtp_info;
+
+/* function for analysing an RTP packet. Called from rtp_analysis and rtp_streams */
+extern void rtppacket_analyse(tap_rtp_stat_t *statinfo,
+                              const packet_info *pinfo,
+                              const struct _rtp_info *rtpinfo);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __TAP_RTP_ANALYSIS_H__ */