move a couple of macros and structs to mpegaudio.h
[libav.git] / libavformat / rtsp.h
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1/*
2 * RTSP definitions
3 * Copyright (c) 2002 Fabrice Bellard.
4 *
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5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
1617ad97 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
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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
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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20 */
21#ifndef RTSP_H
22#define RTSP_H
23
1617ad97 24#include "rtspcodes.h"
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25
26enum RTSPProtocol {
27 RTSP_PROTOCOL_RTP_UDP = 0,
28 RTSP_PROTOCOL_RTP_TCP = 1,
29 RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
30};
31
32#define RTSP_DEFAULT_PORT 554
33#define RTSP_MAX_TRANSPORTS 8
b7b8fc34 34#define RTSP_TCP_MAX_PACKET_SIZE 1472
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35#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
36#define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
37#define RTSP_RTP_PORT_MIN 5000
38#define RTSP_RTP_PORT_MAX 10000
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39
40typedef struct RTSPTransportField {
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41 int interleaved_min, interleaved_max; /**< interleave ids, if TCP transport */
42 int port_min, port_max; /**< RTP ports */
43 int client_port_min, client_port_max; /**< RTP ports */
44 int server_port_min, server_port_max; /**< RTP ports */
45 int ttl; /**< ttl value */
46 uint32_t destination; /**< destination IP address */
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47 enum RTSPProtocol protocol;
48} RTSPTransportField;
49
50typedef struct RTSPHeader {
51 int content_length;
37d2210a 52 enum RTSPStatusCode status_code; /**< response code from server */
1617ad97 53 int nb_transports;
37d2210a 54 /** in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
115329f1 55 int64_t range_start, range_end;
1617ad97 56 RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
37d2210a 57 int seq; /**< sequence number */
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58 char session_id[512];
59} RTSPHeader;
60
37d2210a 61/** the callback can be used to extend the connection setup/teardown step */
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62enum RTSPCallbackAction {
63 RTSP_ACTION_SERVER_SETUP,
64 RTSP_ACTION_SERVER_TEARDOWN,
65 RTSP_ACTION_CLIENT_SETUP,
66 RTSP_ACTION_CLIENT_TEARDOWN,
67};
68
69typedef struct RTSPActionServerSetup {
0c1a9eda 70 uint32_t ipaddr;
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71 char transport_option[512];
72} RTSPActionServerSetup;
73
115329f1 74typedef int FFRTSPCallback(enum RTSPCallbackAction action,
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75 const char *session_id,
76 char *buf, int buf_size,
77 void *arg);
78
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79int rtsp_init(void);
80void rtsp_parse_line(RTSPHeader *reply, const char *buf);
81
1617ad97 82extern int rtsp_default_protocols;
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83extern int rtsp_rtp_port_min;
84extern int rtsp_rtp_port_max;
d2a067d1 85extern AVInputFormat rtsp_demuxer;
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86
87int rtsp_pause(AVFormatContext *s);
88int rtsp_resume(AVFormatContext *s);
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89
90#endif /* RTSP_H */