1 files changed, 101 insertions, 0 deletions
diff --git a/ui/rtp_stream_id.h b/ui/rtp_stream_id.h
new file mode 100644
index 00000000..46b92b68
--- /dev/null
+++ b/ui/rtp_stream_id.h
@@ -0,0 +1,101 @@
+/** @file
+ *
+ * RTP stream id functions for Wireshark
+ *
+ * Copyright 2003, Alcatel Business Systems
+ * By Lars Ruoff <lars.ruoff@gmx.net>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __RTP_STREAM_ID_H__
+#define __RTP_STREAM_ID_H__
+
+/** @file
+ *  "RTP Streams" dialog box common routines.
+ *  @ingroup main_ui_group
+ */
+
+#include <epan/address.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* forward */
+struct _rtp_info;
+
+/** Defines an rtp stream identification */
+typedef struct _rtpstream_id {
+    address         src_addr;
+    guint16         src_port;
+    address         dst_addr;
+    guint16         dst_port;
+    guint32         ssrc;
+} rtpstream_id_t;
+
+/**
+ * Get hash of rtpstream_id
+ */
+guint rtpstream_id_to_hash(const rtpstream_id_t *id);
+
+/**
+ * Copy rtpstream_id_t structure
+ */
+void rtpstream_id_copy(const rtpstream_id_t *src, rtpstream_id_t *dest);
+
+/**
+ * Deep copy addresses and ports from pinfo
+ */
+void rtpstream_id_copy_pinfo(const packet_info *pinfo, rtpstream_id_t *dest, gboolean swap_src_dst);
+
+/**
+ * Shallow copy addresses and ports from pinfo
+ * Do not call rtpstream_id_free if you use this function.
+ */
+void rtpstream_id_copy_pinfo_shallow(const packet_info *pinfo, rtpstream_id_t *dest, gboolean swap_src_dst);
+
+/**
+ * Free memory allocated for id
+ * it releases address items only, do not release whole structure!
+ */
+void rtpstream_id_free(rtpstream_id_t *id);
+
+/**
+ * Check if two rtpstream_id_t are equal
+ * - compare src_addr, dest_addr, src_port, dest_port
+ * - compare other items when requested
+ * Note: ssrc is the only other item now, but it is expected it will be extended later
+ */
+#define RTPSTREAM_ID_EQUAL_NONE		0x0000
+#define RTPSTREAM_ID_EQUAL_SSRC		0x0001
+gboolean rtpstream_id_equal(const rtpstream_id_t *id1, const rtpstream_id_t *id2, guint flags);
+
+/**
+ * Check if rtpstream_id_t is equal to pinfo
+ * - compare src_addr, dest_addr, src_port, dest_port with pinfo
+ * - if swap_src_dst is true, compare src to dst and vice versa
+ */
+gboolean rtpstream_id_equal_pinfo(const rtpstream_id_t *id, const packet_info *pinfo, bool swap_src_dst);
+
+/**
+ * Check if rtpstream_id_t is equal to pinfo and rtp_info
+ * - compare src_addr, dest_addr, src_port, dest_port with pinfo
+ * - compare ssrc with rtp_info
+ */
+gboolean rtpstream_id_equal_pinfo_rtp_info(const rtpstream_id_t *id, const packet_info *pinfo, const struct _rtp_info *rtp_info);
+
+/**
+ * Get hash of rtpstream_id extracted from packet_info and _rtp_info
+ */
+guint pinfo_rtp_info_to_hash(const packet_info *pinfo, const struct _rtp_info *rtp_info);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __RTP_STREAM_ID_H__ */