| 1 | /*
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| 2 | * RTSP definitions
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| 3 | * Copyright (c) 2002 Fabrice Bellard.
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU Lesser General Public
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| 7 | * License as published by the Free Software Foundation; either
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| 8 | * version 2 of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This library is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | * Lesser General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU Lesser General Public
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| 16 | * License along with this library; if not, write to the Free Software
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| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 18 | */
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| 19 | #ifndef RTSP_H
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| 20 | #define RTSP_H
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| 21 |
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| 22 | /* RTSP handling */
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| 23 | enum RTSPStatusCode {
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| 24 | #define DEF(n, c, s) c = n,
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| 25 | #include "rtspcodes.h"
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| 26 | #undef DEF
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| 27 | };
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| 28 |
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| 29 | enum RTSPProtocol {
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| 30 | RTSP_PROTOCOL_RTP_UDP = 0,
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| 31 | RTSP_PROTOCOL_RTP_TCP = 1,
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| 32 | RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
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| 33 | };
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| 34 |
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| 35 | #define RTSP_DEFAULT_PORT 554
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| 36 | #define RTSP_MAX_TRANSPORTS 8
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| 37 | #define RTSP_TCP_MAX_PACKET_SIZE 1472
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| 38 | #define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
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| 39 | #define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
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| 40 | #define RTSP_RTP_PORT_MIN 5000
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| 41 | #define RTSP_RTP_PORT_MAX 10000
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| 42 |
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| 43 | typedef struct RTSPTransportField {
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| 44 | int interleaved_min, interleaved_max; /* interleave ids, if TCP transport */
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| 45 | int port_min, port_max; /* RTP ports */
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| 46 | int client_port_min, client_port_max; /* RTP ports */
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| 47 | int server_port_min, server_port_max; /* RTP ports */
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| 48 | int ttl; /* ttl value */
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| 49 | uint32_t destination; /* destination IP address */
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| 50 | enum RTSPProtocol protocol;
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| 51 | } RTSPTransportField;
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| 52 |
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| 53 | typedef struct RTSPHeader {
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| 54 | int content_length;
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| 55 | enum RTSPStatusCode status_code; /* response code from server */
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| 56 | int nb_transports;
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| 57 | /* in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
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| 58 | int64_t range_start, range_end;
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| 59 | RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
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| 60 | int seq; /* sequence number */
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| 61 | char session_id[512];
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| 62 | } RTSPHeader;
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| 63 |
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| 64 | /* the callback can be used to extend the connection setup/teardown step */
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| 65 | enum RTSPCallbackAction {
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| 66 | RTSP_ACTION_SERVER_SETUP,
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| 67 | RTSP_ACTION_SERVER_TEARDOWN,
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| 68 | RTSP_ACTION_CLIENT_SETUP,
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| 69 | RTSP_ACTION_CLIENT_TEARDOWN,
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| 70 | };
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| 71 |
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| 72 | typedef struct RTSPActionServerSetup {
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| 73 | uint32_t ipaddr;
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| 74 | char transport_option[512];
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| 75 | } RTSPActionServerSetup;
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| 76 |
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| 77 | typedef int FFRTSPCallback(enum RTSPCallbackAction action,
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| 78 | const char *session_id,
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| 79 | char *buf, int buf_size,
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| 80 | void *arg);
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| 81 |
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| 82 | void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
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| 83 |
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| 84 | int rtsp_init(void);
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| 85 | void rtsp_parse_line(RTSPHeader *reply, const char *buf);
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| 86 |
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| 87 | extern int rtsp_default_protocols;
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| 88 | extern int rtsp_rtp_port_min;
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| 89 | extern int rtsp_rtp_port_max;
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| 90 | extern FFRTSPCallback *ff_rtsp_callback;
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| 91 | extern AVInputFormat rtsp_demuxer;
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| 92 |
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| 93 | int rtsp_pause(AVFormatContext *s);
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| 94 | int rtsp_resume(AVFormatContext *s);
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| 95 |
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| 96 | #endif /* RTSP_H */
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