FFmpeg
Macros | Functions | Variables
rtsp.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/base64.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/parseutils.h"
#include "libavutil/random_seed.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
#include "network.h"
#include "os_support.h"
#include "http.h"
#include "rtsp.h"
#include "rtpdec.h"
#include "rtpproto.h"
#include "rdt.h"
#include "rtpdec_formats.h"
#include "rtpenc_chain.h"
#include "url.h"
#include "rtpenc.h"
#include "mpegts.h"

Go to the source code of this file.

Macros

#define POLL_TIMEOUT_MS   100
 
#define READ_PACKET_TIMEOUT_S   10
 
#define MAX_TIMEOUTS   READ_PACKET_TIMEOUT_S * 1000 / POLL_TIMEOUT_MS
 
#define SDP_MAX_SIZE   16384
 
#define RECVBUF_SIZE   10 * RTP_MAX_PACKET_LENGTH
 
#define DEFAULT_REORDERING_DELAY   100000
 
#define OFFSET(x)   offsetof(RTSPState, x)
 
#define DEC   AV_OPT_FLAG_DECODING_PARAM
 
#define ENC   AV_OPT_FLAG_ENCODING_PARAM
 
#define RTSP_FLAG_OPTS(name, longname)
 
#define RTSP_MEDIATYPE_OPTS(name, longname)
 
#define COMMON_OPTS()
 

Functions

static AVDictionarymap_to_opts (RTSPState *rt)
 
static void get_word_until_chars (char *buf, int buf_size, const char *sep, const char **pp)
 
static void get_word_sep (char *buf, int buf_size, const char *sep, const char **pp)
 
static void get_word (char *buf, int buf_size, const char **pp)
 
static void rtsp_parse_range_npt (const char *p, int64_t *start, int64_t *end)
 Parse a string p in the form of Range:npt=xx-xx, and determine the start and end time. More...
 
static int get_sockaddr (AVFormatContext *s, const char *buf, struct sockaddr_storage *sock)
 
void ff_rtsp_undo_setup (AVFormatContext *s, int send_packets)
 Undo the effect of ff_rtsp_make_setup_request, close the transport_priv and rtp_handle fields. More...
 
void ff_rtsp_close_streams (AVFormatContext *s)
 Close and free all streams within the RTSP (de)muxer. More...
 
int ff_rtsp_open_transport_ctx (AVFormatContext *s, RTSPStream *rtsp_st)
 Open RTSP transport context. More...
 

Variables

const AVOption ff_rtsp_options []
 
static const AVOption sdp_options []
 
static const AVOption rtp_options []
 

Macro Definition Documentation

#define POLL_TIMEOUT_MS   100

Definition at line 55 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define READ_PACKET_TIMEOUT_S   10

Definition at line 56 of file rtsp.c.

#define MAX_TIMEOUTS   READ_PACKET_TIMEOUT_S * 1000 / POLL_TIMEOUT_MS

Definition at line 57 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define SDP_MAX_SIZE   16384

Definition at line 58 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define RECVBUF_SIZE   10 * RTP_MAX_PACKET_LENGTH

Definition at line 59 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define DEFAULT_REORDERING_DELAY   100000

Definition at line 60 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define OFFSET (   x)    offsetof(RTSPState, x)

Definition at line 62 of file rtsp.c.

#define DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 63 of file rtsp.c.

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 64 of file rtsp.c.

#define RTSP_FLAG_OPTS (   name,
  longname 
)
Value:
{ name, longname, OFFSET(rtsp_flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, DEC, "rtsp_flags" }, \
{ "filter_src", "only receive packets from the negotiated peer IP", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_FILTER_SRC}, 0, 0, DEC, "rtsp_flags" }
#define RTSP_FLAG_FILTER_SRC
Filter incoming UDP packets - receive packets only from the right source address and port...
Definition: rtsp.h:416
#define DEC
Definition: rtsp.c:63
#define OFFSET(x)
Definition: rtsp.c:62
const char * name
Definition: opengl_enc.c:102

Definition at line 66 of file rtsp.c.

#define RTSP_MEDIATYPE_OPTS (   name,
  longname 
)
Value:
{ name, longname, OFFSET(media_type_mask), AV_OPT_TYPE_FLAGS, { .i64 = (1 << (AVMEDIA_TYPE_SUBTITLE+1)) - 1 }, INT_MIN, INT_MAX, DEC, "allowed_media_types" }, \
{ "video", "Video", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_VIDEO}, 0, 0, DEC, "allowed_media_types" }, \
{ "audio", "Audio", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_AUDIO}, 0, 0, DEC, "allowed_media_types" }, \
{ "data", "Data", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_DATA}, 0, 0, DEC, "allowed_media_types" }, \
{ "subtitle", "Subtitle", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_SUBTITLE}, 0, 0, DEC, "allowed_media_types" }
Opaque data information usually continuous.
Definition: avutil.h:203
#define DEC
Definition: rtsp.c:63
#define OFFSET(x)
Definition: rtsp.c:62
const char * name
Definition: opengl_enc.c:102

Definition at line 70 of file rtsp.c.

#define COMMON_OPTS ( )
Value:
{ "reorder_queue_size", "set number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }, \
{ "buffer_size", "Underlying protocol send/receive buffer size", OFFSET(buffer_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC|ENC }, \
{ "pkt_size", "Underlying protocol send packet size", OFFSET(pkt_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, ENC } \
#define ENC
Definition: rtsp.c:64
#define DEC
Definition: rtsp.c:63
#define OFFSET(x)
Definition: rtsp.c:62

Definition at line 77 of file rtsp.c.

Function Documentation

static AVDictionary* map_to_opts ( RTSPState rt)
static

Definition at line 129 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

static void get_word_until_chars ( char *  buf,
int  buf_size,
const char *  sep,
const char **  pp 
)
static

Definition at line 142 of file rtsp.c.

Referenced by get_word(), and get_word_sep().

static void get_word_sep ( char *  buf,
int  buf_size,
const char *  sep,
const char **  pp 
)
static

Definition at line 161 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), get_sockaddr(), and rtsp_parse_range_npt().

static void get_word ( char *  buf,
int  buf_size,
const char **  pp 
)
static

Definition at line 168 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and get_sockaddr().

static void rtsp_parse_range_npt ( const char *  p,
int64_t *  start,
int64_t *  end 
)
static

Parse a string p in the form of Range:npt=xx-xx, and determine the start and end time.

Used for seeking in the rtp stream.

Definition at line 177 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and get_sockaddr().

static int get_sockaddr ( AVFormatContext s,
const char *  buf,
struct sockaddr_storage sock 
)
static

Definition at line 199 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

void ff_rtsp_undo_setup ( AVFormatContext s,
int  send_packets 
)

Undo the effect of ff_rtsp_make_setup_request, close the transport_priv and rtp_handle fields.

Definition at line 738 of file rtsp.c.

Referenced by ff_rtsp_close_streams(), ff_rtsp_open_transport_ctx(), resetup_tcp(), and rtsp_write_close().

void ff_rtsp_close_streams ( AVFormatContext s)

Close and free all streams within the RTSP (de)muxer.

Parameters
sRTSP (de)muxer context

Definition at line 772 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), rtsp_read_close(), rtsp_read_header(), rtsp_write_close(), and rtsp_write_header().

int ff_rtsp_open_transport_ctx ( AVFormatContext s,
RTSPStream rtsp_st 
)

Open RTSP transport context.

Definition at line 808 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and rtsp_read_setup().

Variable Documentation

const AVOption ff_rtsp_options[]
Initial value:
= {
{ "initial_pause", "do not start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DEC },
FF_RTP_FLAG_OPTS(RTSPState, rtp_muxer_flags),
{ "rtsp_transport", "set RTSP transport protocols", OFFSET(lower_transport_mask), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, DEC|ENC, "rtsp_transport" },
{ "udp", "UDP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP}, 0, 0, DEC|ENC, "rtsp_transport" },
{ "tcp", "TCP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_TCP}, 0, 0, DEC|ENC, "rtsp_transport" },
{ "udp_multicast", "UDP multicast", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP_MULTICAST}, 0, 0, DEC, "rtsp_transport" },
{ "http", "HTTP tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTP)}, 0, 0, DEC, "rtsp_transport" },
{ "https", "HTTPS tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTPS )}, 0, 0, DEC, "rtsp_transport" },
RTSP_FLAG_OPTS("rtsp_flags", "set RTSP flags"),
{ "listen", "wait for incoming connections", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_LISTEN}, 0, 0, DEC, "rtsp_flags" },
{ "prefer_tcp", "try RTP via TCP first, if available", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_PREFER_TCP}, 0, 0, DEC|ENC, "rtsp_flags" },
RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"),
{ "min_port", "set minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC },
{ "max_port", "set maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC },
{ "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen)", OFFSET(initial_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, DEC },
{ "timeout", "set timeout (in microseconds) of socket TCP I/O operations", OFFSET(stimeout), AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX, DEC },
{ "user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT}, 0, 0, DEC },
{ NULL },
}
#define NULL
Definition: coverity.c:32
HTTPS tunneled.
Definition: rtsp.h:45
UDP/unicast.
Definition: rtsp.h:38
#define RTSP_RTP_PORT_MAX
Definition: rtsp.h:80
#define RTSP_FLAG_LISTEN
Wait for incoming connections.
Definition: rtsp.h:421
#define COMMON_OPTS()
Definition: rtsp.c:77
#define RTSP_FLAG_PREFER_TCP
Try RTP via TCP first if possible.
Definition: rtsp.h:426
Private data for the RTSP demuxer.
Definition: rtsp.h:219
#define LIBAVFORMAT_IDENT
Definition: version.h:46
HTTP tunneled - not a proper transport mode as such, only for use via AVOptions.
Definition: rtsp.h:42
#define ENC
Definition: rtsp.c:64
#define FF_RTP_FLAG_OPTS(ctx, fieldname)
Definition: rtpenc.h:74
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:66
#define RTSP_MEDIATYPE_OPTS(name, longname)
Definition: rtsp.c:70
#define DEC
Definition: rtsp.c:63
TCP; interleaved in RTSP.
Definition: rtsp.h:39
#define RTSP_RTP_PORT_MIN
Definition: rtsp.h:79
#define OFFSET(x)
Definition: rtsp.c:62

Definition at line 83 of file rtsp.c.

const AVOption sdp_options[]
static
Initial value:
= {
RTSP_FLAG_OPTS("sdp_flags", "SDP flags"),
{ "custom_io", "use custom I/O", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_CUSTOM_IO}, 0, 0, DEC, "rtsp_flags" },
{ "rtcp_to_source", "send RTCP packets to the source address of received packets", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_RTCP_TO_SOURCE}, 0, 0, DEC, "rtsp_flags" },
RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"),
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define RTSP_FLAG_RTCP_TO_SOURCE
Send RTCP packets to the source address of received packets.
Definition: rtsp.h:423
#define COMMON_OPTS()
Definition: rtsp.c:77
#define RTSP_FLAG_CUSTOM_IO
Do all IO via the AVIOContext.
Definition: rtsp.h:422
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:66
#define RTSP_MEDIATYPE_OPTS(name, longname)
Definition: rtsp.c:70
#define DEC
Definition: rtsp.c:63

Definition at line 113 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

const AVOption rtp_options[]
static
Initial value:
= {
RTSP_FLAG_OPTS("rtp_flags", "set RTP flags"),
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define COMMON_OPTS()
Definition: rtsp.c:77
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:66

Definition at line 122 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().