libav/rtsp.h

   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
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19 #ifndef RTSP_H
  20 #define RTSP_H
  21
  22 /* RTSP handling */
  23 enum RTSPStatusCode {
  24 #define DEF(n, c, s) c = n,
  25 #include "rtspcodes.h"
  26 #undef DEF
  27 };
  28
  29 enum 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
  37
  38 typedef struct RTSPTransportField {
  39     int interleaved_min, interleaved_max;  /* interleave ids, if TCP transport */
  40     int port_min, port_max; /* RTP ports */
  41     int client_port_min, client_port_max; /* RTP ports */
  42     int server_port_min, server_port_max; /* RTP ports */
  43     int ttl; /* ttl value */
  44     UINT32 destination; /* destination IP address */
  45     enum RTSPProtocol protocol;
  46 } RTSPTransportField;
  47
  48 typedef struct RTSPHeader {
  49     int content_length;
  50     enum RTSPStatusCode status_code; /* response code from server */
  51     int nb_transports;
  52     RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
  53     int seq; /* sequence number */
  54     char session_id[512];
  55 } RTSPHeader;
  56
  57 /* the callback can be used to extend the connection setup/teardown step */
  58 enum RTSPCallbackAction {
  59     RTSP_ACTION_SERVER_SETUP,
  60     RTSP_ACTION_SERVER_TEARDOWN,
  61     RTSP_ACTION_CLIENT_SETUP,
  62     RTSP_ACTION_CLIENT_TEARDOWN,
  63 };
  64
  65 typedef struct RTSPActionServerSetup {
  66     UINT32 ipaddr;
  67     char transport_option[512];
  68 } RTSPActionServerSetup;
  69
  70 typedef int FFRTSPCallback(enum RTSPCallbackAction action,
  71                            const char *session_id,
  72                            char *buf, int buf_size,
  73                            void *arg);
  74
  75 void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
  76
  77 int rtsp_init(void);
  78 void rtsp_parse_line(RTSPHeader *reply, const char *buf);
  79
  80 extern int rtsp_abort_req;
  81 extern int rtsp_default_protocols;
  82 extern int rtsp_rtp_port_min;
  83 extern int rtsp_rtp_port_max;
  84 extern FFRTSPCallback *ff_rtsp_callback;
  85
  86 #endif /* RTSP_H */