summaryrefslogtreecommitdiffstats
path: root/gst/rtsp/rtsptransport.c
blob: 592778bf4a6b4bb258c3cf22c49bedbd01799cb1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* GStreamer
 * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "rtsptransport.h"

RTSPResult
rtsp_transport_new (RTSPTransport ** transport)
{
  RTSPTransport *trans;

  if (transport == NULL)
    return RTSP_EINVAL;

  trans = g_new0 (RTSPTransport, 1);

  *transport = trans;

  return rtsp_transport_init (trans);
}

RTSPResult
rtsp_transport_init (RTSPTransport * transport)
{
  g_free (transport->destination);
  g_free (transport->source);
  g_free (transport->ssrc);

  memset (transport, 0, sizeof (RTSPTransport));

  transport->trans = RTSP_TRANS_RTP;
  transport->profile = RTSP_PROFILE_AVP;
  transport->lower_transport = RTSP_LOWER_TRANS_UNKNOWN;
  transport->mode_play = TRUE;
  transport->mode_record = FALSE;

  return RTSP_OK;
}

static void
parse_mode (RTSPTransport * transport, gchar * str)
{
  transport->mode_play = (strstr (str, "\"PLAY\"") != NULL);
  transport->mode_record = (strstr (str, "\"RECORD\"") != NULL);
}

static void
parse_range (RTSPTransport * transport, gchar * str, RTSPRange * range)
{
  gchar *minus;

  minus = strstr (str, "-");
  if (minus) {
    range->min = atoi (str);
    range->max = atoi (minus + 1);
  } else {
    range->min = atoi (str);
    range->max = -1;
  }
}

RTSPResult
rtsp_transport_parse (gchar * str, RTSPTransport * transport)
{
  gchar **split;
  gint i;

  if (str == NULL || transport == NULL)
    return RTSP_EINVAL;

  rtsp_transport_init (transport);

  split = g_strsplit (str, ";", 0);
  i = 0;
  while (split[i]) {
    if (g_str_has_prefix (split[i], "RTP/AVP/UDP")) {
      transport->lower_transport = RTSP_LOWER_TRANS_UDP;
    } else if (g_str_has_prefix (split[i], "RTP/AVP/TCP")) {
      transport->lower_transport = RTSP_LOWER_TRANS_TCP;
    } else if (g_str_has_prefix (split[i], "multicast")) {
      transport->multicast = TRUE;
    } else if (g_str_has_prefix (split[i], "unicast")) {
      transport->multicast = FALSE;
    } else if (g_str_has_prefix (split[i], "destination=")) {
      transport->destination = g_strdup (split[i] + 12);
    } else if (g_str_has_prefix (split[i], "source=")) {
      transport->source = g_strdup (split[i] + 7);
    } else if (g_str_has_prefix (split[i], "layers=")) {
      transport->layers = atoi (split[i] + 7);
    } else if (g_str_has_prefix (split[i], "mode=")) {
      parse_mode (transport, split[i] + 5);
    } else if (g_str_has_prefix (split[i], "append")) {
      transport->append = TRUE;
    } else if (g_str_has_prefix (split[i], "interleaved=")) {
      parse_range (transport, split[i] + 12, &transport->interleaved);
    } else if (g_str_has_prefix (split[i], "ttl=")) {
      transport->ttl = atoi (split[i] + 4);
    } else if (g_str_has_prefix (split[i], "port=")) {
      parse_range (transport, split[i] + 5, &transport->port);
    } else if (g_str_has_prefix (split[i], "client_port=")) {
      parse_range (transport, split[i] + 12, &transport->client_port);
    } else if (g_str_has_prefix (split[i], "server_port=")) {
      parse_range (transport, split[i] + 12, &transport->server_port);
    } else if (g_str_has_prefix (split[i], "ssrc=")) {
      transport->ssrc = g_strdup (split[i] + 5);
    } else {
      /* unknown field... */
      g_warning ("unknown transport field \"%s\"", split[i]);
    }
    i++;
  }
  g_strfreev (split);

  return RTSP_OK;
}

RTSPResult
rtsp_transport_free (RTSPTransport * transport)
{
  rtsp_transport_init (transport);
  g_free (transport);
  return RTSP_OK;
}