1 /*
2  * Copyright 2007 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef __GST_PCAP_PARSE_H__
21 #define __GST_PCAP_PARSE_H__
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstadapter.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_PCAP_PARSE \
29   (gst_pcap_parse_get_type ())
30 #define GST_PCAP_PARSE(obj) \
31   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PCAP_PARSE, GstPcapParse))
32 #define GST_PCAP_PARSE_CLASS(klass) \
33   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PCAP_PARSE, GstPcapParseClass))
34 #define GST_IS_PCAP_PARSE(obj) \
35   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PCAP_PARSE))
36 #define GST_IS_PCAP_PARSE_CLASS(klass) \
37   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PCAP_PARSE))
38 
39 typedef struct _GstPcapParse      GstPcapParse;
40 typedef struct _GstPcapParseClass GstPcapParseClass;
41 
42 typedef enum
43 {
44   PCAP_PARSE_STATE_CREATED,
45   PCAP_PARSE_STATE_PARSING,
46 } GstPcapParseState;
47 
48 typedef enum
49 {
50   LINKTYPE_ETHER  = 1,
51   LINKTYPE_RAW = 101,
52   LINKTYPE_SLL = 113
53 } GstPcapParseLinktype;
54 
55 /**
56  * GstPcapParse:
57  *
58  * GstPcapParse element.
59  */
60 
61 struct _GstPcapParse
62 {
63   GstElement element;
64 
65   /*< private >*/
66   GstPad * sink_pad;
67   GstPad * src_pad;
68 
69   /* properties */
70   gint64 src_ip;
71   gint64 dst_ip;
72   gint32 src_port;
73   gint32 dst_port;
74   GstCaps *caps;
75   gint64 offset;
76 
77   /* state */
78   GstAdapter * adapter;
79   gboolean initialized;
80   gboolean swap_endian;
81   gboolean nanosecond_timestamp;
82   gint64 cur_packet_size;
83   GstClockTime cur_ts;
84   GstClockTime base_ts;
85   GstPcapParseLinktype linktype;
86 
87   gboolean newsegment_sent;
88 };
89 
90 struct _GstPcapParseClass
91 {
92   GstElementClass parent_class;
93 };
94 
95 GType gst_pcap_parse_get_type (void);
96 
97 G_END_DECLS
98 
99 #endif /* __GST_PCAP_PARSE_H__ */
100