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 "rdt.h"
#include "rtpdec_formats.h"
#include "rtpenc_chain.h"
#include "url.h"
#include "rtpenc.h"
#include "mpegts.h"
Include dependency graph for rtsp.c:

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 RTSP_REORDERING_OPTS()   { "reorder_queue_size", "Number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }
 

Functions

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 (const char *buf, struct sockaddr_storage *sock)
 
void ff_rtsp_undo_setup (AVFormatContext *s)
 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 DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 64 of file rtsp.c.

#define DEFAULT_REORDERING_DELAY   100000

Definition at line 61 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 65 of file rtsp.c.

#define MAX_TIMEOUTS   READ_PACKET_TIMEOUT_S * 1000 / POLL_TIMEOUT_MS

Definition at line 58 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

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

Definition at line 63 of file rtsp.c.

#define POLL_TIMEOUT_MS   100

Definition at line 56 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#define READ_PACKET_TIMEOUT_S   10

Definition at line 57 of file rtsp.c.

#define RECVBUF_SIZE   10 * RTP_MAX_PACKET_LENGTH

Definition at line 60 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

#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" }, \
{ "listen", "Wait for incoming connections", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_LISTEN}, 0, 0, DEC, "rtsp_flags" }
name
const char * name
Definition: avisynth_c.h:675
RTSP_FLAG_LISTEN
#define RTSP_FLAG_LISTEN
Wait for incoming connections.
Definition: rtsp.h:409
AV_OPT_TYPE_FLAGS
Definition: opt.h:221
AV_OPT_TYPE_CONST
Definition: opt.h:229
RTSP_FLAG_FILTER_SRC
#define RTSP_FLAG_FILTER_SRC
Filter incoming UDP packets - receive packets only from the right source address and port...
Definition: rtsp.h:404
DEC
#define DEC
Definition: rtsp.c:64
OFFSET
#define OFFSET(x)
Definition: rtsp.c:63

Definition at line 67 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_DATA+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" }
name
const char * name
Definition: avisynth_c.h:675
AV_OPT_TYPE_FLAGS
Definition: opt.h:221
AV_OPT_TYPE_CONST
Definition: opt.h:229
AVMEDIA_TYPE_DATA
Opaque data information usually continuous.
Definition: avutil.h:145
AVMEDIA_TYPE_AUDIO
Definition: avutil.h:144
DEC
#define DEC
Definition: rtsp.c:64
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:143
OFFSET
#define OFFSET(x)
Definition: rtsp.c:63

Definition at line 72 of file rtsp.c.

#define RTSP_REORDERING_OPTS ( )    { "reorder_queue_size", "Number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }

Definition at line 78 of file rtsp.c.

#define SDP_MAX_SIZE   16384

Definition at line 59 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

Function Documentation

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 603 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 629 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and rtsp_read_setup().

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 569 of file rtsp.c.

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

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

Definition at line 168 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

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

Definition at line 139 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and get_sockaddr().

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

Definition at line 132 of file rtsp.c.

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

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

Definition at line 113 of file rtsp.c.

Referenced by get_word(), and get_word_sep().

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 148 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx(), and get_sockaddr().

Variable Documentation

const AVOption ff_rtsp_options[]
Initial value:
= {
{ "initial_pause", "Don't start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC },
FF_RTP_FLAG_OPTS(RTSPState, rtp_muxer_flags),
{ "rtsp_transport", "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" },
RTSP_FLAG_OPTS("rtsp_flags", "RTSP flags"),
RTSP_MEDIATYPE_OPTS("allowed_media_types", "Media types to accept from the server"),
{ "min_port", "Minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC },
{ "max_port", "Maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC },
{ "timeout", "Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies flag listen", OFFSET(initial_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, DEC },
{ "stimeout", "timeout (in micro seconds) of socket i/o operations.", OFFSET(stimeout), AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX, DEC },
RTSP_REORDERING_OPTS(),
{ NULL },
}
AV_OPT_TYPE_INT
Definition: opt.h:222
RTSP_LOWER_TRANSPORT_UDP
UDP/unicast.
Definition: rtsp.h:38
RTSP_RTP_PORT_MAX
#define RTSP_RTP_PORT_MAX
Definition: rtsp.h:78
AV_OPT_TYPE_FLAGS
Definition: opt.h:221
AV_OPT_TYPE_CONST
Definition: opt.h:229
RTSPState
Private data for the RTSP demuxer.
Definition: rtsp.h:217
RTSP_LOWER_TRANSPORT_HTTP
HTTP tunneled - not a proper transport mode as such, only for use via AVOptions.
Definition: rtsp.h:42
ENC
#define ENC
Definition: rtsp.c:65
NULL
NULL
Definition: eval.c:55
FF_RTP_FLAG_OPTS
#define FF_RTP_FLAG_OPTS(ctx, fieldname)
Definition: rtpenc.h:74
RTSP_FLAG_OPTS
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:67
RTSP_MEDIATYPE_OPTS
#define RTSP_MEDIATYPE_OPTS(name, longname)
Definition: rtsp.c:72
DEC
#define DEC
Definition: rtsp.c:64
RTSP_REORDERING_OPTS
#define RTSP_REORDERING_OPTS()
Definition: rtsp.c:78
RTSP_LOWER_TRANSPORT_TCP
TCP; interleaved in RTSP.
Definition: rtsp.h:39
RTSP_RTP_PORT_MIN
#define RTSP_RTP_PORT_MIN
Definition: rtsp.h:77
OFFSET
#define OFFSET(x)
Definition: rtsp.c:63

Definition at line 81 of file rtsp.c.

const AVOption rtp_options[]
static
Initial value:
= {
RTSP_FLAG_OPTS("rtp_flags", "RTP flags"),
RTSP_REORDERING_OPTS(),
{ NULL },
}
NULL
NULL
Definition: eval.c:55
RTSP_FLAG_OPTS
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:67
RTSP_REORDERING_OPTS
#define RTSP_REORDERING_OPTS()
Definition: rtsp.c:78

Definition at line 107 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

const AVOption sdp_options[]
static
Initial value:
= {
RTSP_FLAG_OPTS("sdp_flags", "SDP flags"),
{ "custom_io", "Use custom IO", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_CUSTOM_IO}, 0, 0, DEC, "rtsp_flags" },
RTSP_MEDIATYPE_OPTS("allowed_media_types", "Media types to accept from the server"),
RTSP_REORDERING_OPTS(),
{ NULL },
}
AV_OPT_TYPE_CONST
Definition: opt.h:229
RTSP_FLAG_CUSTOM_IO
#define RTSP_FLAG_CUSTOM_IO
Do all IO via the AVIOContext.
Definition: rtsp.h:410
NULL
NULL
Definition: eval.c:55
RTSP_FLAG_OPTS
#define RTSP_FLAG_OPTS(name, longname)
Definition: rtsp.c:67
RTSP_MEDIATYPE_OPTS
#define RTSP_MEDIATYPE_OPTS(name, longname)
Definition: rtsp.c:72
DEC
#define DEC
Definition: rtsp.c:64
RTSP_REORDERING_OPTS
#define RTSP_REORDERING_OPTS()
Definition: rtsp.c:78

Definition at line 99 of file rtsp.c.

Referenced by ff_rtsp_open_transport_ctx().

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