1 | /*
|
---|
2 | * RTSP definitions
|
---|
3 | * Copyright (c) 2002 Fabrice Bellard.
|
---|
4 | *
|
---|
5 | * This file is part of FFmpeg.
|
---|
6 | *
|
---|
7 | * FFmpeg is free software; you can redistribute it and/or
|
---|
8 | * modify it under the terms of the GNU Lesser General Public
|
---|
9 | * License as published by the Free Software Foundation; either
|
---|
10 | * version 2.1 of the License, or (at your option) any later version.
|
---|
11 | *
|
---|
12 | * FFmpeg is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
15 | * Lesser General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU Lesser General Public
|
---|
18 | * License along with FFmpeg; if not, write to the Free Software
|
---|
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
---|
20 | */
|
---|
21 | #ifndef RTSP_H
|
---|
22 | #define RTSP_H
|
---|
23 |
|
---|
24 | #include <stdint.h>
|
---|
25 | #include "avformat.h"
|
---|
26 | #include "rtspcodes.h"
|
---|
27 |
|
---|
28 | enum RTSPProtocol {
|
---|
29 | RTSP_PROTOCOL_RTP_UDP = 0,
|
---|
30 | RTSP_PROTOCOL_RTP_TCP = 1,
|
---|
31 | RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
|
---|
32 | };
|
---|
33 |
|
---|
34 | #define RTSP_DEFAULT_PORT 554
|
---|
35 | #define RTSP_MAX_TRANSPORTS 8
|
---|
36 | #define RTSP_TCP_MAX_PACKET_SIZE 1472
|
---|
37 | #define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
|
---|
38 | #define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
|
---|
39 | #define RTSP_RTP_PORT_MIN 5000
|
---|
40 | #define RTSP_RTP_PORT_MAX 10000
|
---|
41 |
|
---|
42 | typedef struct RTSPTransportField {
|
---|
43 | int interleaved_min, interleaved_max; /**< interleave ids, if TCP transport */
|
---|
44 | int port_min, port_max; /**< RTP ports */
|
---|
45 | int client_port_min, client_port_max; /**< RTP ports */
|
---|
46 | int server_port_min, server_port_max; /**< RTP ports */
|
---|
47 | int ttl; /**< ttl value */
|
---|
48 | uint32_t destination; /**< destination IP address */
|
---|
49 | enum RTSPProtocol protocol;
|
---|
50 | } RTSPTransportField;
|
---|
51 |
|
---|
52 | typedef struct RTSPHeader {
|
---|
53 | int content_length;
|
---|
54 | enum RTSPStatusCode status_code; /**< response code from server */
|
---|
55 | int nb_transports;
|
---|
56 | /** in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
|
---|
57 | int64_t range_start, range_end;
|
---|
58 | RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
|
---|
59 | int seq; /**< sequence number */
|
---|
60 | char session_id[512];
|
---|
61 | } RTSPHeader;
|
---|
62 |
|
---|
63 | /** the callback can be used to extend the connection setup/teardown step */
|
---|
64 | enum RTSPCallbackAction {
|
---|
65 | RTSP_ACTION_SERVER_SETUP,
|
---|
66 | RTSP_ACTION_SERVER_TEARDOWN,
|
---|
67 | RTSP_ACTION_CLIENT_SETUP,
|
---|
68 | RTSP_ACTION_CLIENT_TEARDOWN,
|
---|
69 | };
|
---|
70 |
|
---|
71 | typedef struct RTSPActionServerSetup {
|
---|
72 | uint32_t ipaddr;
|
---|
73 | char transport_option[512];
|
---|
74 | } RTSPActionServerSetup;
|
---|
75 |
|
---|
76 | typedef int FFRTSPCallback(enum RTSPCallbackAction action,
|
---|
77 | const char *session_id,
|
---|
78 | char *buf, int buf_size,
|
---|
79 | void *arg);
|
---|
80 |
|
---|
81 | int rtsp_init(void);
|
---|
82 | void rtsp_parse_line(RTSPHeader *reply, const char *buf);
|
---|
83 |
|
---|
84 | extern int rtsp_default_protocols;
|
---|
85 | extern int rtsp_rtp_port_min;
|
---|
86 | extern int rtsp_rtp_port_max;
|
---|
87 | extern AVInputFormat rtsp_demuxer;
|
---|
88 |
|
---|
89 | int rtsp_pause(AVFormatContext *s);
|
---|
90 | int rtsp_resume(AVFormatContext *s);
|
---|
91 |
|
---|
92 | #endif /* RTSP_H */
|
---|