Private data for the RTSP demuxer. More...
#include <rtsp.h>
Data Fields | |
const AVClass * | class |
Class for private options. | |
URLContext * | rtsp_hd |
int | nb_rtsp_streams |
number of items in the 'rtsp_streams' variable | |
struct RTSPStream ** | rtsp_streams |
streams in this session | |
enum RTSPClientState | state |
indicator of whether we are currently receiving data from the server. | |
int64_t | seek_timestamp |
the seek value requested when calling av_seek_frame(). | |
int | seq |
RTSP command sequence number. | |
char | session_id [512] |
copy of RTSPMessageHeader->session_id, i.e. | |
int | timeout |
copy of RTSPMessageHeader->timeout, i.e. | |
int64_t | last_cmd_time |
timestamp of the last RTSP command that we sent to the RTSP server. | |
enum RTSPTransport | transport |
the negotiated data/packet transport protocol; e.g. | |
enum RTSPLowerTransport | lower_transport |
the negotiated network layer transport protocol; e.g. | |
enum RTSPServerType | server_type |
brand of server that we're talking to; e.g. | |
char | real_challenge [64] |
the "RealChallenge1:" field from the server | |
char | auth [128] |
plaintext authorization line (username:password) | |
HTTPAuthState | auth_state |
authentication state | |
char | last_reply [2048] |
The last reply of the server to a RTSP command. | |
void * | cur_transport_priv |
RTSPStream->transport_priv of the last stream that we read a packet from. | |
char | control_uri [1024] |
some MS RTSP streams contain a URL in the SDP that we need to use for all subsequent RTSP requests, rather than the input URI; in other cases, this is a copy of AVFormatContext->filename. | |
URLContext * | rtsp_hd_out |
Additional output handle, used when input and output are done separately, eg for HTTP tunneling. | |
enum RTSPControlTransport | control_transport |
RTSP transport mode, such as plain or tunneled. | |
int | nb_byes |
uint8_t * | recvbuf |
Reusable buffer for receiving packets. | |
int | lower_transport_mask |
A mask with all requested transport methods. | |
uint64_t | packets |
The number of returned packets. | |
struct pollfd * | p |
Polling array for udp. | |
int | get_parameter_supported |
Whether the server supports the GET_PARAMETER method. | |
int | initial_pause |
Do not begin to play the stream immediately. | |
int | rtp_muxer_flags |
Option flags for the chained RTP muxer. | |
int | accept_dynamic_rate |
Whether the server accepts the x-Dynamic-Rate header. | |
int | rtsp_flags |
Various option flags for the RTSP muxer/demuxer. | |
int | media_type_mask |
Mask of all requested media types. | |
int | rtp_port_min |
Minimum and maximum local UDP ports. | |
int | rtp_port_max |
int | need_subscription |
The following are used for Real stream selection. | |
enum AVDiscard * | real_setup_cache |
stream setup during the last frame read. | |
enum AVDiscard * | real_setup |
current stream setup. | |
char | last_subscription [1024] |
the last value of the "SET_PARAMETER Subscribe:" RTSP command. | |
AVFormatContext * | asf_ctx |
The following are used for RTP/ASF streams. | |
uint64_t | asf_pb_pos |
cache for position of the asf demuxer, since we load a new data packet in the bytecontext for each incoming RTSP packet. |
Private data for the RTSP demuxer.
Definition at line 204 of file rtsp.h.
Whether the server accepts the x-Dynamic-Rate header.
Definition at line 351 of file rtsp.h.
Referenced by ff_rtsp_make_setup_request(), and ff_rtsp_parse_line().
The following are used for RTP/ASF streams.
ASF demuxer context for the embedded ASF stream from WMS servers
Definition at line 293 of file rtsp.h.
Referenced by asfrtp_parse_packet(), asfrtp_parse_sdp_line(), ff_rtsp_close_streams(), and ff_wms_parse_sdp_a_line().
uint64_t RTSPState::asf_pb_pos |
cache for position of the asf demuxer, since we load a new data packet in the bytecontext for each incoming RTSP packet.
Definition at line 297 of file rtsp.h.
Referenced by asfrtp_parse_packet(), and ff_wms_parse_sdp_a_line().
char RTSPState::auth[128] |
plaintext authorization line (username:password)
Definition at line 259 of file rtsp.h.
Referenced by ff_rtsp_connect(), and ff_rtsp_send_cmd_with_content_async().
authentication state
Definition at line 262 of file rtsp.h.
Referenced by ff_rtsp_parse_line(), ff_rtsp_send_cmd_with_content(), and ff_rtsp_send_cmd_with_content_async().
const AVClass* RTSPState::class |
RTSP transport mode, such as plain or tunneled.
Definition at line 310 of file rtsp.h.
Referenced by ff_rtsp_connect(), and ff_rtsp_send_cmd_with_content_async().
char RTSPState::control_uri[1024] |
some MS RTSP streams contain a URL in the SDP that we need to use for all subsequent RTSP requests, rather than the input URI; in other cases, this is a copy of AVFormatContext->filename.
Definition at line 303 of file rtsp.h.
Referenced by ff_rtsp_connect(), ff_rtsp_parse_line(), ff_rtsp_setup_input_streams(), ff_rtsp_setup_output_streams(), rtsp_read_close(), rtsp_read_packet(), rtsp_read_pause(), rtsp_read_play(), rtsp_write_close(), rtsp_write_record(), and sdp_parse_line().
RTSPStream->transport_priv of the last stream that we read a packet from.
Definition at line 269 of file rtsp.h.
Referenced by ff_rtsp_fetch_packet().
Whether the server supports the GET_PARAMETER method.
Definition at line 338 of file rtsp.h.
Referenced by ff_rtsp_parse_line(), and rtsp_read_packet().
Do not begin to play the stream immediately.
Definition at line 343 of file rtsp.h.
Referenced by rtsp_read_header().
int64_t RTSPState::last_cmd_time |
timestamp of the last RTSP command that we sent to the RTSP server.
This is used to calculate when to send dummy commands to keep the connection alive, in conjunction with timeout.
Definition at line 241 of file rtsp.h.
Referenced by ff_rtsp_send_cmd_with_content_async(), and rtsp_read_packet().
char RTSPState::last_reply[2048] |
The last reply of the server to a RTSP command.
Definition at line 265 of file rtsp.h.
Referenced by ff_rtsp_read_reply(), and ff_rtsp_send_cmd_with_content().
char RTSPState::last_subscription[1024] |
the last value of the "SET_PARAMETER Subscribe:" RTSP command.
this is used to send the same "Unsubscribe:" if stream setup changed, before sending a new "Subscribe:" command.
Definition at line 287 of file rtsp.h.
Referenced by rtsp_read_packet().
the negotiated network layer transport protocol; e.g.
TCP or UDP uni-/multicast
Definition at line 248 of file rtsp.h.
Referenced by ff_rtsp_fetch_packet(), ff_rtsp_make_setup_request(), ff_rtsp_undo_setup(), rtsp_open_transport_ctx(), rtsp_read_packet(), and rtsp_write_packet().
A mask with all requested transport methods.
Definition at line 323 of file rtsp.h.
Referenced by ff_rtsp_connect(), and rtsp_read_packet().
Mask of all requested media types.
Definition at line 361 of file rtsp.h.
Referenced by rtp_read_header(), and sdp_parse_line().
Definition at line 315 of file rtsp.h.
Referenced by ff_rtsp_fetch_packet(), and rtsp_read_play().
number of items in the 'rtsp_streams' variable
Definition at line 209 of file rtsp.h.
Referenced by ff_rtsp_close_streams(), ff_rtsp_fetch_packet(), ff_rtsp_make_setup_request(), ff_rtsp_setup_output_streams(), ff_rtsp_tcp_read_packet(), ff_rtsp_undo_setup(), ff_sdp_parse(), handle_rtp_info(), rtsp_read_packet(), rtsp_read_play(), rtsp_write_packet(), sdp_parse_line(), sdp_read_header(), and udp_read_packet().
The following are used for Real stream selection.
whether we need to send a "SET_PARAMETER Subscribe:" command
Definition at line 274 of file rtsp.h.
Referenced by ff_rtsp_make_setup_request(), rtsp_read_packet(), rtsp_read_pause(), and rtsp_read_play().
struct pollfd* RTSPState::p |
Polling array for udp.
Definition at line 333 of file rtsp.h.
Referenced by ff_rtsp_close_streams(), ff_sdp_parse(), and udp_read_packet().
uint64_t RTSPState::packets |
The number of returned packets.
Definition at line 328 of file rtsp.h.
Referenced by rtsp_read_packet().
char RTSPState::real_challenge[64] |
the "RealChallenge1:" field from the server
Definition at line 256 of file rtsp.h.
Referenced by ff_rtsp_connect(), and resetup_tcp().
current stream setup.
This is a temporary buffer used to compare current setup to previous frame setup.
Definition at line 282 of file rtsp.h.
Referenced by rtsp_read_close(), rtsp_read_header(), and rtsp_read_packet().
stream setup during the last frame read.
This is used to detect if we need to subscribe or unsubscribe to any new streams.
Definition at line 278 of file rtsp.h.
Referenced by rtsp_read_close(), rtsp_read_header(), and rtsp_read_packet().
uint8_t* RTSPState::recvbuf |
Reusable buffer for receiving packets.
Definition at line 318 of file rtsp.h.
Referenced by ff_rtsp_close_streams(), and ff_rtsp_fetch_packet().
Definition at line 366 of file rtsp.h.
Referenced by ff_rtsp_connect(), and ff_rtsp_make_setup_request().
Minimum and maximum local UDP ports.
Definition at line 366 of file rtsp.h.
Referenced by ff_rtsp_connect(), and ff_rtsp_make_setup_request().
Various option flags for the RTSP muxer/demuxer.
Definition at line 356 of file rtsp.h.
Referenced by ff_rtsp_connect(), ff_rtsp_make_setup_request(), and sdp_read_header().
Definition at line 206 of file rtsp.h.
Referenced by ff_rtsp_close_connections(), ff_rtsp_connect(), ff_rtsp_read_reply(), ff_rtsp_skip_packet(), ff_rtsp_tcp_read_packet(), rtsp_write_packet(), and udp_read_packet().
Additional output handle, used when input and output are done separately, eg for HTTP tunneling.
Definition at line 307 of file rtsp.h.
Referenced by ff_rtsp_close_connections(), ff_rtsp_connect(), ff_rtsp_send_cmd_with_content_async(), and tcp_write_packet().
struct RTSPStream** RTSPState::rtsp_streams |
streams in this session
Definition at line 211 of file rtsp.h.
Referenced by ff_rtsp_close_streams(), ff_rtsp_fetch_packet(), ff_rtsp_make_setup_request(), ff_rtsp_setup_output_streams(), ff_rtsp_tcp_read_packet(), ff_rtsp_undo_setup(), handle_rtp_info(), rtsp_read_play(), rtsp_write_packet(), sdp_parse_line(), sdp_read_header(), and udp_read_packet().
int64_t RTSPState::seek_timestamp |
the seek value requested when calling av_seek_frame().
This value is subsequently used as part of the "Range" parameter when emitting the RTSP PLAY command. If we are currently playing, this command is called instantly. If we are currently paused, this command is called whenever we resume playback. Either way, the value is only used once, see rtsp_read_play() and rtsp_read_seek().
Definition at line 225 of file rtsp.h.
Referenced by ff_rtsp_connect(), rtsp_read_play(), and rtsp_read_seek().
int RTSPState::seq |
RTSP command sequence number.
Definition at line 227 of file rtsp.h.
Referenced by ff_rtsp_connect(), ff_rtsp_read_reply(), and ff_rtsp_send_cmd_with_content_async().
brand of server that we're talking to; e.g.
WMS, REAL or other. Detected based on the value of RTSPMessageHeader->server or the presence of RTSPMessageHeader->real_challenge
Definition at line 253 of file rtsp.h.
Referenced by ff_rtsp_connect(), ff_rtsp_make_setup_request(), ff_rtsp_setup_input_streams(), rtsp_read_packet(), rtsp_read_pause(), rtsp_read_play(), and sdp_parse_line().
char RTSPState::session_id[512] |
copy of RTSPMessageHeader->session_id, i.e.
the server-provided session identifier that the client should re-transmit in each RTSP command
Definition at line 231 of file rtsp.h.
Referenced by ff_rtsp_make_setup_request(), ff_rtsp_read_reply(), ff_rtsp_send_cmd_with_content_async(), and rtsp_read_packet().
indicator of whether we are currently receiving data from the server.
Basically this isn't more than a simple cache of the last PLAY/PAUSE command sent to the server, to make sure we don't send 2x the same unexpectedly or commands in the wrong state.
Definition at line 217 of file rtsp.h.
Referenced by ff_rtsp_connect(), ff_rtsp_read_reply(), ff_rtsp_tcp_read_packet(), rtsp_read_packet(), rtsp_read_pause(), rtsp_read_play(), rtsp_read_seek(), rtsp_write_packet(), rtsp_write_record(), and udp_read_packet().
copy of RTSPMessageHeader->timeout, i.e.
the time (in seconds) that the server will go without traffic on the RTSP/TCP line before it closes the connection.
Definition at line 236 of file rtsp.h.
Referenced by ff_rtsp_make_setup_request(), and rtsp_read_packet().
the negotiated data/packet transport protocol; e.g.
RTP or RDT
Definition at line 244 of file rtsp.h.
Referenced by ff_rtsp_fetch_packet(), ff_rtsp_make_setup_request(), ff_rtsp_tcp_read_packet(), ff_rtsp_undo_setup(), handle_rtp_info(), rtsp_open_transport_ctx(), rtsp_read_play(), and sdp_parse_line().