/* * RTSP definitions * Copyright (c) 2002 Fabrice Bellard. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#ifndef RTSP_H#define RTSP_H/* RTSP handling */enum RTSPStatusCode {#define DEF(n, c, s) c = n,#include "rtspcodes.h"#undef DEF};enum RTSPProtocol {    RTSP_PROTOCOL_RTP_UDP = 0,    RTSP_PROTOCOL_RTP_TCP = 1,    RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,};#define RTSP_DEFAULT_PORT   554#define RTSP_MAX_TRANSPORTS 8#define RTSP_TCP_MAX_PACKET_SIZE 1472typedef struct RTSPTransportField {    int interleaved_min, interleaved_max;  /* interleave ids, if TCP transport */    int port_min, port_max; /* RTP ports */    int client_port_min, client_port_max; /* RTP ports */    int server_port_min, server_port_max; /* RTP ports */    int ttl; /* ttl value */    uint32_t destination; /* destination IP address */    enum RTSPProtocol protocol;} RTSPTransportField;typedef struct RTSPHeader {    int content_length;    enum RTSPStatusCode status_code; /* response code from server */    int nb_transports;    /* in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */    int64_t range_start, range_end;     RTSPTransportField transports[RTSP_MAX_TRANSPORTS];    int seq; /* sequence number */    char session_id[512];} RTSPHeader;/* the callback can be used to extend the connection setup/teardown step */enum RTSPCallbackAction {    RTSP_ACTION_SERVER_SETUP,    RTSP_ACTION_SERVER_TEARDOWN,    RTSP_ACTION_CLIENT_SETUP,    RTSP_ACTION_CLIENT_TEARDOWN,};typedef struct RTSPActionServerSetup {    uint32_t ipaddr;    char transport_option[512];} RTSPActionServerSetup;typedef int FFRTSPCallback(enum RTSPCallbackAction action,                            const char *session_id,                           char *buf, int buf_size,                           void *arg);void rtsp_set_callback(FFRTSPCallback *rtsp_cb);int rtsp_init(void);void rtsp_parse_line(RTSPHeader *reply, const char *buf);extern int rtsp_default_protocols;extern int rtsp_rtp_port_min;extern int rtsp_rtp_port_max;extern FFRTSPCallback *ff_rtsp_callback;extern AVInputFormat rtsp_demux;int rtsp_pause(AVFormatContext *s);int rtsp_resume(AVFormatContext *s);#endif /* RTSP_H */