suppressed RTSP abort hack - added PLAY/PAUSE
[libav.git] / libavformat / rtsp.h
1 /*
2 * RTSP definitions
3 * Copyright (c) 2002 Fabrice Bellard.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #ifndef RTSP_H
20 #define RTSP_H
21
22 /* RTSP handling */
23 enum RTSPStatusCode {
24 #define DEF(n, c, s) c = n,
25 #include "rtspcodes.h"
26 #undef DEF
27 };
28
29 enum RTSPProtocol {
30 RTSP_PROTOCOL_RTP_UDP = 0,
31 RTSP_PROTOCOL_RTP_TCP = 1,
32 RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
33 };
34
35 #define RTSP_DEFAULT_PORT 554
36 #define RTSP_MAX_TRANSPORTS 8
37 #define RTSP_TCP_MAX_PACKET_SIZE 1472
38
39 typedef struct RTSPTransportField {
40 int interleaved_min, interleaved_max; /* interleave ids, if TCP transport */
41 int port_min, port_max; /* RTP ports */
42 int client_port_min, client_port_max; /* RTP ports */
43 int server_port_min, server_port_max; /* RTP ports */
44 int ttl; /* ttl value */
45 uint32_t destination; /* destination IP address */
46 enum RTSPProtocol protocol;
47 } RTSPTransportField;
48
49 typedef struct RTSPHeader {
50 int content_length;
51 enum RTSPStatusCode status_code; /* response code from server */
52 int nb_transports;
53 RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
54 int seq; /* sequence number */
55 char session_id[512];
56 } RTSPHeader;
57
58 /* the callback can be used to extend the connection setup/teardown step */
59 enum RTSPCallbackAction {
60 RTSP_ACTION_SERVER_SETUP,
61 RTSP_ACTION_SERVER_TEARDOWN,
62 RTSP_ACTION_CLIENT_SETUP,
63 RTSP_ACTION_CLIENT_TEARDOWN,
64 };
65
66 typedef struct RTSPActionServerSetup {
67 uint32_t ipaddr;
68 char transport_option[512];
69 } RTSPActionServerSetup;
70
71 typedef int FFRTSPCallback(enum RTSPCallbackAction action,
72 const char *session_id,
73 char *buf, int buf_size,
74 void *arg);
75
76 void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
77
78 int rtsp_init(void);
79 void rtsp_parse_line(RTSPHeader *reply, const char *buf);
80
81 extern int rtsp_default_protocols;
82 extern int rtsp_rtp_port_min;
83 extern int rtsp_rtp_port_max;
84 extern FFRTSPCallback *ff_rtsp_callback;
85 extern AVInputFormat rtsp_demux;
86
87 int rtsp_pause(AVFormatContext *s);
88 int rtsp_resume(AVFormatContext *s);
89
90 #endif /* RTSP_H */