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[libav.git] / libavformat / rtsp.h
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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
5509bffa 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 */
19#ifndef RTSP_H
20#define RTSP_H
21
22/* RTSP handling */
23enum RTSPStatusCode {
24#define DEF(n, c, s) c = n,
25#include "rtspcodes.h"
26#undef DEF
27};
28
29enum 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
b7b8fc34 37#define RTSP_TCP_MAX_PACKET_SIZE 1472
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38#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
39#define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
40#define RTSP_RTP_PORT_MIN 5000
41#define RTSP_RTP_PORT_MAX 10000
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42
43typedef struct RTSPTransportField {
44 int interleaved_min, interleaved_max; /* interleave ids, if TCP transport */
45 int port_min, port_max; /* RTP ports */
46 int client_port_min, client_port_max; /* RTP ports */
47 int server_port_min, server_port_max; /* RTP ports */
48 int ttl; /* ttl value */
0c1a9eda 49 uint32_t destination; /* destination IP address */
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50 enum RTSPProtocol protocol;
51} RTSPTransportField;
52
53typedef struct RTSPHeader {
54 int content_length;
55 enum RTSPStatusCode status_code; /* response code from server */
56 int nb_transports;
ff762d6e 57 /* in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
115329f1 58 int64_t range_start, range_end;
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59 RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
60 int seq; /* sequence number */
61 char session_id[512];
62} RTSPHeader;
63
64/* the callback can be used to extend the connection setup/teardown step */
65enum RTSPCallbackAction {
66 RTSP_ACTION_SERVER_SETUP,
67 RTSP_ACTION_SERVER_TEARDOWN,
68 RTSP_ACTION_CLIENT_SETUP,
69 RTSP_ACTION_CLIENT_TEARDOWN,
70};
71
72typedef struct RTSPActionServerSetup {
0c1a9eda 73 uint32_t ipaddr;
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74 char transport_option[512];
75} RTSPActionServerSetup;
76
115329f1 77typedef int FFRTSPCallback(enum RTSPCallbackAction action,
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78 const char *session_id,
79 char *buf, int buf_size,
80 void *arg);
81
82void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
83
84int rtsp_init(void);
85void rtsp_parse_line(RTSPHeader *reply, const char *buf);
86
1617ad97 87extern int rtsp_default_protocols;
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88extern int rtsp_rtp_port_min;
89extern int rtsp_rtp_port_max;
1617ad97 90extern FFRTSPCallback *ff_rtsp_callback;
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91extern AVInputFormat rtsp_demux;
92
93int rtsp_pause(AVFormatContext *s);
94int rtsp_resume(AVFormatContext *s);
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95
96#endif /* RTSP_H */