3 * Copyright (c) 2002 Fabrice Bellard.
5 * This file is part of FFmpeg.
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.
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.
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
24 #include "rtspcodes.h"
27 RTSP_PROTOCOL_RTP_UDP = 0,
28 RTSP_PROTOCOL_RTP_TCP = 1,
29 RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
32 #define RTSP_DEFAULT_PORT 554
33 #define RTSP_MAX_TRANSPORTS 8
34 #define RTSP_TCP_MAX_PACKET_SIZE 1472
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
40 typedef struct RTSPTransportField {
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 */
47 enum RTSPProtocol protocol;
50 typedef struct RTSPHeader {
52 enum RTSPStatusCode status_code; /**< response code from server */
54 /** in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
55 int64_t range_start, range_end;
56 RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
57 int seq; /**< sequence number */
61 /** the callback can be used to extend the connection setup/teardown step */
62 enum RTSPCallbackAction {
63 RTSP_ACTION_SERVER_SETUP,
64 RTSP_ACTION_SERVER_TEARDOWN,
65 RTSP_ACTION_CLIENT_SETUP,
66 RTSP_ACTION_CLIENT_TEARDOWN,
69 typedef struct RTSPActionServerSetup {
71 char transport_option[512];
72 } RTSPActionServerSetup;
74 typedef int FFRTSPCallback(enum RTSPCallbackAction action,
75 const char *session_id,
76 char *buf, int buf_size,
79 /** useful for modules: set RTSP callback function */
80 void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
83 void rtsp_parse_line(RTSPHeader *reply, const char *buf);
85 extern int rtsp_default_protocols;
86 extern int rtsp_rtp_port_min;
87 extern int rtsp_rtp_port_max;
88 extern FFRTSPCallback *ff_rtsp_callback;
89 extern AVInputFormat rtsp_demuxer;
91 int rtsp_pause(AVFormatContext *s);
92 int rtsp_resume(AVFormatContext *s);