#include <stdint.h>#include "avformat.h"#include "rtspcodes.h"#include "rtpdec.h"#include "network.h"#include "httpauth.h"#include "libavutil/log.h"Go to the source code of this file.
Data Structures | |
| struct | RTSPTransportField |
| This describes a single item in the "Transport:" line of one stream as negotiated by the SETUP RTSP command. More... | |
| struct | RTSPMessageHeader |
| This describes the server response to each RTSP command. More... | |
| struct | RTSPState |
| Private data for the RTSP demuxer. More... | |
| struct | RTSPStream |
| Describes a single stream, as identified by a single m= line block in the SDP content. More... | |
Defines | |
| #define | RTSP_DEFAULT_PORT 554 |
| #define | RTSP_MAX_TRANSPORTS 8 |
| #define | RTSP_TCP_MAX_PACKET_SIZE 1472 |
| #define | RTSP_DEFAULT_NB_AUDIO_CHANNELS 1 |
| #define | RTSP_DEFAULT_AUDIO_SAMPLERATE 44100 |
| #define | RTSP_RTP_PORT_MIN 5000 |
| #define | RTSP_RTP_PORT_MAX 10000 |
Enumerations | |
| enum | RTSPLowerTransport { RTSP_LOWER_TRANSPORT_UDP = 0, RTSP_LOWER_TRANSPORT_TCP = 1, RTSP_LOWER_TRANSPORT_UDP_MULTICAST = 2, RTSP_LOWER_TRANSPORT_NB } |
| Network layer over which RTP/etc packet data will be transported. More... | |
| enum | RTSPTransport { RTSP_TRANSPORT_RTP, RTSP_TRANSPORT_RDT, RTSP_TRANSPORT_NB } |
| Packet profile of the data that we will be receiving. More... | |
| enum | RTSPControlTransport { RTSP_MODE_PLAIN, RTSP_MODE_TUNNEL } |
| Transport mode for the RTSP data. More... | |
| enum | RTSPClientState { RTSP_STATE_IDLE, RTSP_STATE_STREAMING, RTSP_STATE_PAUSED, RTSP_STATE_SEEKING } |
| Client state, i.e. More... | |
| enum | RTSPServerType { RTSP_SERVER_RTP, RTSP_SERVER_REAL, RTSP_SERVER_WMS, RTSP_SERVER_NB } |
| Identifies particular servers that require special handling, such as standards-incompliant "Transport:" lines in the SETUP request. More... | |
Functions | |
| void | ff_rtsp_parse_line (RTSPMessageHeader *reply, const char *buf, RTSPState *rt, const char *method) |
| int | ff_rtsp_send_cmd_async (AVFormatContext *s, const char *method, const char *url, const char *headers) |
| Send a command to the RTSP server without waiting for the reply. | |
| int | ff_rtsp_send_cmd_with_content (AVFormatContext *s, const char *method, const char *url, const char *headers, RTSPMessageHeader *reply, unsigned char **content_ptr, const unsigned char *send_content, int send_content_length) |
| Send a command to the RTSP server and wait for the reply. | |
| int | ff_rtsp_send_cmd (AVFormatContext *s, const char *method, const char *url, const char *headers, RTSPMessageHeader *reply, unsigned char **content_ptr) |
| Send a command to the RTSP server and wait for the reply. | |
| int | ff_rtsp_read_reply (AVFormatContext *s, RTSPMessageHeader *reply, unsigned char **content_ptr, int return_on_interleaved_data, const char *method) |
| Read a RTSP message from the server, or prepare to read data packets if we're reading data interleaved over the TCP/RTSP connection as well. | |
| void | ff_rtsp_skip_packet (AVFormatContext *s) |
| Skip a RTP/TCP interleaved packet. | |
| int | ff_rtsp_connect (AVFormatContext *s) |
| Connect to the RTSP server and set up the individual media streams. | |
| void | ff_rtsp_close_streams (AVFormatContext *s) |
| Close and free all streams within the RTSP (de)muxer. | |
| void | ff_rtsp_close_connections (AVFormatContext *rt) |
| Close all connection handles within the RTSP (de)muxer. | |
| int | ff_rtsp_setup_input_streams (AVFormatContext *s, RTSPMessageHeader *reply) |
| Get the description of the stream and set up the RTSPStream child objects. | |
| int | ff_rtsp_setup_output_streams (AVFormatContext *s, const char *addr) |
| Announce the stream to the server and set up the RTSPStream child objects for each media stream. | |
| int | ff_sdp_parse (AVFormatContext *s, const char *content) |
| Parse an SDP description of streams by populating an RTSPState struct within the AVFormatContext; also allocate the RTP streams and the pollfd array used for UDP streams. | |
| int | ff_rtsp_tcp_read_packet (AVFormatContext *s, RTSPStream **prtsp_st, uint8_t *buf, int buf_size) |
| Receive one RTP packet from an TCP interleaved RTSP stream. | |
| int | ff_rtsp_fetch_packet (AVFormatContext *s, AVPacket *pkt) |
| Receive one packet from the RTSPStreams set up in the AVFormatContext (which should contain a RTSPState struct as priv_data). | |
| int | ff_rtsp_make_setup_request (AVFormatContext *s, const char *host, int port, int lower_transport, const char *real_challenge) |
| Do the SETUP requests for each stream for the chosen lower transport mode. | |
| void | ff_rtsp_undo_setup (AVFormatContext *s) |
| Undo the effect of ff_rtsp_make_setup_request, close the transport_priv and rtp_handle fields. | |
Variables | |
| int | rtsp_rtp_port_min |
| int | rtsp_rtp_port_max |
| #define RTSP_TCP_MAX_PACKET_SIZE 1472 |
Definition at line 65 of file rtsp.h.
Referenced by http_prepare_data(), rtp_new_av_stream(), rtsp_open_transport_ctx(), and tcp_write_packet().
| enum RTSPClientState |
Client state, i.e.
whether we are currently receiving data (PLAYING) or setup-but-not-receiving (PAUSED). State can be changed in applications by calling av_read_play/pause().
| enum RTSPControlTransport |
| enum RTSPLowerTransport |
| enum RTSPServerType |
| enum RTSPTransport |
| void ff_rtsp_close_connections | ( | AVFormatContext * | rt | ) |
Close all connection handles within the RTSP (de)muxer.
| rt | RTSP (de)muxer context |
Referenced by rtsp_read_close(), rtsp_read_header(), rtsp_write_close(), and rtsp_write_header().
| void ff_rtsp_close_streams | ( | AVFormatContext * | s | ) |
Close and free all streams within the RTSP (de)muxer.
| s | RTSP (de)muxer context |
Definition at line 513 of file rtsp.c.
Referenced by rtsp_read_close(), rtsp_read_header(), rtsp_write_close(), and rtsp_write_header().
| int ff_rtsp_connect | ( | AVFormatContext * | s | ) |
Connect to the RTSP server and set up the individual media streams.
This can be used for both muxers and demuxers.
| s | RTSP (de)muxer context |
Referenced by rtsp_read_header(), and rtsp_write_header().
| int ff_rtsp_fetch_packet | ( | AVFormatContext * | s, | |
| AVPacket * | pkt | |||
| ) |
Receive one packet from the RTSPStreams set up in the AVFormatContext (which should contain a RTSPState struct as priv_data).
Referenced by rtsp_read_packet().
| int ff_rtsp_make_setup_request | ( | AVFormatContext * | s, | |
| const char * | host, | |||
| int | port, | |||
| int | lower_transport, | |||
| const char * | real_challenge | |||
| ) |
Do the SETUP requests for each stream for the chosen lower transport mode.
Referenced by resetup_tcp().
| void ff_rtsp_parse_line | ( | RTSPMessageHeader * | reply, | |
| const char * | buf, | |||
| RTSPState * | rt, | |||
| const char * | method | |||
| ) |
Referenced by rtsp_parse_request().
| int ff_rtsp_read_reply | ( | AVFormatContext * | s, | |
| RTSPMessageHeader * | reply, | |||
| unsigned char ** | content_ptr, | |||
| int | return_on_interleaved_data, | |||
| const char * | method | |||
| ) |
Read a RTSP message from the server, or prepare to read data packets if we're reading data interleaved over the TCP/RTSP connection as well.
| s | RTSP (de)muxer context | |
| reply | pointer where the RTSP message header will be stored | |
| content_ptr | pointer where the RTSP message body, if any, will be stored (length is in reply) | |
| return_on_interleaved_data | whether the function may return if we encounter a data marker ('$'), which precedes data packets over interleaved TCP/RTSP connections. If this is set, this function will return 1 after encountering a '$'. If it is not set, the function will skip any data packets (if they are encountered), until a reply has been fully parsed. If no more data is available without parsing a reply, it will return an error. | |
| method | the RTSP method this is a reply to. This affects how some response headers are acted upon. May be NULL. |
Referenced by ff_rtsp_tcp_read_packet(), and rtsp_write_packet().
| int ff_rtsp_send_cmd | ( | AVFormatContext * | s, | |
| const char * | method, | |||
| const char * | url, | |||
| const char * | headers, | |||
| RTSPMessageHeader * | reply, | |||
| unsigned char ** | content_ptr | |||
| ) |
Send a command to the RTSP server and wait for the reply.
Referenced by ff_rtsp_setup_input_streams(), rtsp_read_packet(), rtsp_read_pause(), rtsp_read_play(), and rtsp_write_record().
| int ff_rtsp_send_cmd_async | ( | AVFormatContext * | s, | |
| const char * | method, | |||
| const char * | url, | |||
| const char * | headers | |||
| ) |
Send a command to the RTSP server without waiting for the reply.
Referenced by rtsp_read_close(), rtsp_read_packet(), and rtsp_write_close().
| int ff_rtsp_send_cmd_with_content | ( | AVFormatContext * | s, | |
| const char * | method, | |||
| const char * | url, | |||
| const char * | headers, | |||
| RTSPMessageHeader * | reply, | |||
| unsigned char ** | content_ptr, | |||
| const unsigned char * | send_content, | |||
| int | send_content_length | |||
| ) |
Send a command to the RTSP server and wait for the reply.
| s | RTSP (de)muxer context | |
| method | the method for the request | |
| url | the target url for the request | |
| headers | extra header lines to include in the request | |
| reply | pointer where the RTSP message header will be stored | |
| content_ptr | pointer where the RTSP message body, if any, will be stored (length is in reply) | |
| send_content | if non-null, the data to send as request body content | |
| send_content_length | the length of the send_content data, or 0 if send_content is null |
Referenced by ff_rtsp_setup_output_streams().
| int ff_rtsp_setup_input_streams | ( | AVFormatContext * | s, | |
| RTSPMessageHeader * | reply | |||
| ) |
Get the description of the stream and set up the RTSPStream child objects.
The Require: attribute is needed for proper streaming from Realmedia servers.
| int ff_rtsp_setup_output_streams | ( | AVFormatContext * | s, | |
| const char * | addr | |||
| ) |
Announce the stream to the server and set up the RTSPStream child objects for each media stream.
| void ff_rtsp_skip_packet | ( | AVFormatContext * | s | ) |
| int ff_rtsp_tcp_read_packet | ( | AVFormatContext * | s, | |
| RTSPStream ** | prtsp_st, | |||
| uint8_t * | buf, | |||
| int | buf_size | |||
| ) |
| void ff_rtsp_undo_setup | ( | AVFormatContext * | s | ) |
Undo the effect of ff_rtsp_make_setup_request, close the transport_priv and rtp_handle fields.
Definition at line 479 of file rtsp.c.
Referenced by ff_rtsp_close_streams(), and resetup_tcp().
| int ff_sdp_parse | ( | AVFormatContext * | s, | |
| const char * | content | |||
| ) |
Parse an SDP description of streams by populating an RTSPState struct within the AVFormatContext; also allocate the RTP streams and the pollfd array used for UDP streams.
Referenced by ff_rtsp_setup_input_streams().
1.5.8