1 /* 2 * RTSP definitions 3 * Copyright (c) 2002 Fabrice Bellard. 4 * 5 * This file is part of FFmpeg. 6 * 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. 11 * 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. 16 * 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 20 */ 21 #ifndef FFMPEG_RTSP_H 22 #define FFMPEG_RTSP_H 23 24 #include <stdint.h> 25 #include "avformat.h" 26 #include "rtspcodes.h" 27 28 enum RTSPProtocol { 29 RTSP_PROTOCOL_RTP_UDP = 0, 30 RTSP_PROTOCOL_RTP_TCP = 1, 31 RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2, 32 /** 33 * This is not part of public API and shouldn't be used outside of ffmpeg. 34 */ 35 RTSP_PROTOCOL_RTP_LAST 36 }; 37 38 #define RTSP_DEFAULT_PORT 554 39 #define RTSP_MAX_TRANSPORTS 8 40 #define RTSP_TCP_MAX_PACKET_SIZE 1472 41 #define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2 42 #define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100 43 #define RTSP_RTP_PORT_MIN 5000 44 #define RTSP_RTP_PORT_MAX 10000 45 46 typedef struct RTSPTransportField { 47 int interleaved_min, interleaved_max; /**< interleave ids, if TCP transport */ 48 int port_min, port_max; /**< RTP ports */ 49 int client_port_min, client_port_max; /**< RTP ports */ 50 int server_port_min, server_port_max; /**< RTP ports */ 51 int ttl; /**< ttl value */ 52 uint32_t destination; /**< destination IP address */ 53 enum RTSPProtocol protocol; 54 } RTSPTransportField; 55 56 typedef struct RTSPHeader { 57 int content_length; 58 enum RTSPStatusCode status_code; /**< response code from server */ 59 int nb_transports; 60 /** in AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */ 61 int64_t range_start, range_end; 62 RTSPTransportField transports[RTSP_MAX_TRANSPORTS]; 63 int seq; /**< sequence number */ 64 char session_id[512]; 65 } RTSPHeader; 66 67 /** the callback can be used to extend the connection setup/teardown step */ 68 enum RTSPCallbackAction { 69 RTSP_ACTION_SERVER_SETUP, 70 RTSP_ACTION_SERVER_TEARDOWN, 71 RTSP_ACTION_CLIENT_SETUP, 72 RTSP_ACTION_CLIENT_TEARDOWN, 73 }; 74 75 typedef struct RTSPActionServerSetup { 76 uint32_t ipaddr; 77 char transport_option[512]; 78 } RTSPActionServerSetup; 79 80 typedef int FFRTSPCallback(enum RTSPCallbackAction action, 81 const char *session_id, 82 char *buf, int buf_size, 83 void *arg); 84 85 int rtsp_init(void); 86 void rtsp_parse_line(RTSPHeader *reply, const char *buf); 87 88 #if LIBAVFORMAT_VERSION_INT < (53 << 16) 89 extern int rtsp_default_protocols; 90 #endif 91 extern int rtsp_rtp_port_min; 92 extern int rtsp_rtp_port_max; 93 94 int rtsp_pause(AVFormatContext *s); 95 int rtsp_resume(AVFormatContext *s); 96 97 #endif /* FFMPEG_RTSP_H */ 98