RTSPState Struct Reference

Private data for the RTSP demuxer. More...

#include <rtsp.h>


Data Fields

const AVClassclass
 Class for private options.
URLContextrtsp_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.
URLContextrtsp_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_trecvbuf
 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 initial_timeout
 Timeout to wait for incoming connections.
int need_subscription
 The following are used for Real stream selection.
enum AVDiscard
*real_setup_cache enum
AVDiscard *real_setup char
last_subscription[1024]
AVFormatContext *asf_ctx
uint64_t asf_pb_pos char
control_uri[1024] struct
MpegTSContext
ts
 stream setup during the last frame read.
int recvbuf_pos
int recvbuf_len


Detailed Description

Private data for the RTSP demuxer.

Todo:
Use AVIOContext instead of URLContext

Definition at line 213 of file rtsp.h.


Field Documentation

Whether the server accepts the x-Dynamic-Rate header.

Definition at line 367 of file rtsp.h.

char RTSPState::auth[128]

plaintext authorization line (username:password)

Definition at line 268 of file rtsp.h.

authentication state

Definition at line 271 of file rtsp.h.

Referenced by rtsp_read_packet().

Class for private options.

Definition at line 214 of file rtsp.h.

RTSP transport mode, such as plain or tunneled.

Definition at line 326 of file rtsp.h.

RTSPStream->transport_priv of the last stream that we read a packet from.

Definition at line 278 of file rtsp.h.

Whether the server supports the GET_PARAMETER method.

Definition at line 354 of file rtsp.h.

Referenced by rtsp_read_packet().

Do not begin to play the stream immediately.

Definition at line 359 of file rtsp.h.

Referenced by rtsp_read_header().

Timeout to wait for incoming connections.

Definition at line 387 of file rtsp.h.

Referenced by rtsp_listen(), and rtsp_read_header().

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 250 of file rtsp.h.

Referenced by rtsp_read_packet().

The last reply of the server to a RTSP command.

Definition at line 274 of file rtsp.h.

the negotiated network layer transport protocol; e.g.

TCP or UDP uni-/multicast

Definition at line 257 of file rtsp.h.

Referenced by ff_rtsp_open_transport_ctx(), ff_rtsp_undo_setup(), rtsp_read_packet(), rtsp_read_setup(), and rtsp_write_packet().

A mask with all requested transport methods.

Definition at line 339 of file rtsp.h.

Referenced by rtsp_read_packet().

Mask of all requested media types.

Definition at line 377 of file rtsp.h.

Definition at line 331 of file rtsp.h.

Referenced by rtsp_read_play().

The following are used for Real stream selection.

whether we need to send a "SET_PARAMETER Subscribe:" command

Definition at line 283 of file rtsp.h.

Referenced by rtsp_read_packet(), rtsp_read_pause(), and rtsp_read_play().

struct pollfd* RTSPState::p [read]

Polling array for udp.

Definition at line 349 of file rtsp.h.

Referenced by ff_rtsp_close_streams().

The number of returned packets.

Definition at line 344 of file rtsp.h.

Referenced by rtsp_read_packet().

the "RealChallenge1:" field from the server

Definition at line 265 of file rtsp.h.

Referenced by resetup_tcp().

Reusable buffer for receiving packets.

Definition at line 334 of file rtsp.h.

Referenced by ff_rtsp_close_streams().

Definition at line 318 of file rtsp.h.

Definition at line 317 of file rtsp.h.

Option flags for the chained RTP muxer.

Definition at line 364 of file rtsp.h.

Definition at line 382 of file rtsp.h.

Referenced by rtsp_read_setup().

Minimum and maximum local UDP ports.

Definition at line 382 of file rtsp.h.

Referenced by rtsp_read_setup().

Various option flags for the RTSP muxer/demuxer.

Definition at line 372 of file rtsp.h.

Referenced by rtsp_read_close(), rtsp_read_header(), and rtsp_read_packet().

Additional output handle, used when input and output are done separately, eg for HTTP tunneling.

Definition at line 323 of file rtsp.h.

Referenced by rtsp_listen(), and tcp_write_packet().

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 234 of file rtsp.h.

Referenced by rtsp_read_play(), and rtsp_read_seek().

RTSP command sequence number.

Definition at line 236 of file rtsp.h.

Referenced by ff_rtsp_parse_streaming_commands(), rtsp_read_announce(), rtsp_read_options(), rtsp_read_record(), rtsp_read_request(), and rtsp_read_setup().

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 262 of file rtsp.h.

Referenced by ff_rtsp_setup_input_streams(), rtsp_read_packet(), rtsp_read_pause(), and rtsp_read_play().

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 240 of file rtsp.h.

Referenced by check_sessionid(), rtsp_read_packet(), rtsp_read_record(), rtsp_read_request(), and rtsp_read_setup().

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 226 of file rtsp.h.

Referenced by ff_rtsp_parse_streaming_commands(), ff_rtsp_tcp_read_packet(), parse_command_line(), rtsp_listen(), rtsp_read_packet(), rtsp_read_pause(), rtsp_read_play(), rtsp_read_record(), rtsp_read_seek(), rtsp_read_setup(), rtsp_write_packet(), and rtsp_write_record().

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 245 of file rtsp.h.

Referenced by rtsp_read_packet().

the negotiated data/packet transport protocol; e.g.

RTP or RDT

Definition at line 253 of file rtsp.h.

Referenced by ff_rtsp_open_transport_ctx(), ff_rtsp_tcp_read_packet(), ff_rtsp_undo_setup(), and rtsp_read_play().

enum AVDiscard* real_setup_cache enum AVDiscard* real_setup char last_subscription [1024] AVFormatContext* asf_ctx uint64_t asf_pb_pos char control_uri [1024] struct MpegTSContext* RTSPState::ts [read]

stream setup during the last frame read.

This is used to detect if we need to subscribe or unsubscribe to any new streams. current stream setup. This is a temporary buffer used to compare current setup to previous frame setup. 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. The following are used for RTP/ASF streams ASF demuxer context for the embedded ASF stream from WMS servers cache for position of the asf demuxer, since we load a new data packet in the bytecontext for each incoming RTSP packet. 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. The following are used for parsing raw mpegts in udp

Definition at line 316 of file rtsp.h.

Referenced by ff_rtsp_close_streams().


The documentation for this struct was generated from the following file:

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