#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/base64.h"
#include "libavutil/bprint.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/parseutils.h"
#include "libavutil/random_seed.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavcodec/codec_desc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.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 "tls.h"
#include "rtpenc.h"
#include "mpegts.h"
#include "version.h"

Macros
#define	READ_PACKET_TIMEOUT_S 10

#define	RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH

#define	DEFAULT_REORDERING_DELAY 100000

#define	OFFSET(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()

#define	ERR_RET(c)

Functions
static AVDictionary *	map_to_opts (RTSPState *rt)

static int	copy_tls_opts_dict (RTSPState rt, AVDictionary *dict)
	Add the TLS options of the given RTSPState to the dict.

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.

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.

void	ff_rtsp_close_streams (AVFormatContext *s)
	Close and free all streams within the RTSP (de)muxer.

int	ff_rtsp_open_transport_ctx (AVFormatContext s, RTSPStream rtsp_st)
	Open RTSP transport context.

Variables
const AVOption	ff_rtsp_options []

static const AVOption	sdp_options []

static const AVOption	rtp_options []

Macro Definition Documentation

◆ READ_PACKET_TIMEOUT_S

#define READ_PACKET_TIMEOUT_S 10

Definition at line 62 of file rtsp.c.

◆ RECVBUF_SIZE

#define RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH

Definition at line 63 of file rtsp.c.

◆ DEFAULT_REORDERING_DELAY

#define DEFAULT_REORDERING_DELAY 100000

Definition at line 64 of file rtsp.c.

◆ OFFSET

#define OFFSET ( x )

Value:

offsetof(RTSPState, x)

RTSPState

Private data for the RTSP demuxer.

Definition rtsp.h:226

Definition at line 66 of file rtsp.c.

◆ DEC

#define DEC AV_OPT_FLAG_DECODING_PARAM

Definition at line 67 of file rtsp.c.

◆ ENC

#define ENC AV_OPT_FLAG_ENCODING_PARAM

Definition at line 68 of file rtsp.c.

◆ RTSP_FLAG_OPTS

#define RTSP_FLAG_OPTS	(		name,
			longname )

Value:

{ name, longname, OFFSET(rtsp_flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, DEC, .unit = "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, .unit = "rtsp_flags" }

OFFSET

#define OFFSET(x)

Definition ffmpeg_opt.c:1551

AV_OPT_TYPE_CONST

@ AV_OPT_TYPE_CONST

Special option type for declaring named constants.

Definition opt.h:298

AV_OPT_TYPE_FLAGS

@ AV_OPT_TYPE_FLAGS

Underlying C type is unsigned int.

Definition opt.h:254

DEC

#define DEC

Definition librsvgdec.c:149

name

const char * name

Definition qsvenc.c:142

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:457

Definition at line 70 of file rtsp.c.

◆ RTSP_MEDIATYPE_OPTS

#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, .unit = "allowed_media_types" }, \
    { "video", "Video", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_VIDEO}, 0, 0, DEC, .unit = "allowed_media_types" }, \
    { "audio", "Audio", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_AUDIO}, 0, 0, DEC, .unit = "allowed_media_types" }, \
    { "data", "Data", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_DATA}, 0, 0, DEC, .unit = "allowed_media_types" }, \
    { "subtitle", "Subtitle", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_SUBTITLE}, 0, 0, DEC, .unit = "allowed_media_types" }

Definition at line 74 of file rtsp.c.

◆ COMMON_OPTS

#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 = 1472 }, -1, INT_MAX, ENC } \

Definition at line 81 of file rtsp.c.

◆ ERR_RET

#define ERR_RET ( c )

Value:

    do {                \
        int ret = c;    \
        if (ret < 0)    \
            return ret; \
    } while (0)

Definition at line 146 of file rtsp.c.

Referenced by copy_tls_opts_dict().

Function Documentation

◆ map_to_opts()

static AVDictionary * map_to_opts ( RTSPState * rt )

static

Definition at line 134 of file rtsp.c.

◆ copy_tls_opts_dict()

static int copy_tls_opts_dict	(	RTSPState *	rt,
		AVDictionary **	dict )

static

Add the TLS options of the given RTSPState to the dict.

Definition at line 156 of file rtsp.c.

◆ get_word_until_chars()

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

static

Definition at line 169 of file rtsp.c.

Referenced by get_word(), and get_word_sep().

◆ get_word_sep()

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

static

Definition at line 188 of file rtsp.c.

Referenced by rtsp_parse_range_npt().

◆ get_word()

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

static

Definition at line 195 of file rtsp.c.

◆ rtsp_parse_range_npt()

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 204 of file rtsp.c.

◆ get_sockaddr()

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

static

Definition at line 226 of file rtsp.c.

◆ ff_rtsp_undo_setup()

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 800 of file rtsp.c.

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

◆ ff_rtsp_close_streams()

void ff_rtsp_close_streams ( AVFormatContext * s )

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

Parameters

s	RTSP (de)muxer context

Definition at line 833 of file rtsp.c.

Referenced by rtsp_listen(), rtsp_read_close(), rtsp_write_close(), and rtsp_write_header().

◆ ff_rtsp_open_transport_ctx()

int ff_rtsp_open_transport_ctx	(	AVFormatContext *	s,
		RTSPStream *	rtsp_st )

Open RTSP transport context.

Definition at line 869 of file rtsp.c.

Referenced by rtsp_read_setup().

Variable Documentation

◆ ff_rtsp_options

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, .unit = "rtsp_transport" }, 
    { "udp", "UDP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP}, 0, 0, DEC|ENC, .unit = "rtsp_transport" }, 
    { "tcp", "TCP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_TCP}, 0, 0, DEC|ENC, .unit = "rtsp_transport" }, 
    { "udp_multicast", "UDP multicast", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP_MULTICAST}, 0, 0, DEC, .unit = "rtsp_transport" },
    { "http", "HTTP tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTP)}, 0, 0, DEC, .unit = "rtsp_transport" },
    { "https", "HTTPS tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTPS )}, 0, 0, DEC, .unit = "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, .unit = "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, .unit = "rtsp_flags" },
    { "satip_raw", "export raw MPEG-TS stream instead of demuxing", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_SATIP_RAW}, 0, 0, DEC, .unit = "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 I/O operations", OFFSET(stimeout), AV_OPT_TYPE_INT64, {.i64 = 0}, INT_MIN, INT64_MAX, DEC },
    COMMON_OPTS(),
    { "user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT}, 0, 0, DEC },
 
    
    FF_TLS_CLIENT_OPTIONS(RTSPState, tls_opts),
    { NULL },
}

Definition at line 87 of file rtsp.c.

Referenced by ff_rtsp_make_setup_request().

◆ sdp_options

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, .unit = "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, .unit = "rtsp_flags" },
    { "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections", OFFSET(stimeout), AV_OPT_TYPE_DURATION, {.i64 = READ_PACKET_TIMEOUT_S*1000000}, INT_MIN, INT64_MAX, DEC },
    { "localaddr",          "local address",                                                 OFFSET(localaddr),AV_OPT_TYPE_STRING,   {.str = NULL}, 0, 0, DEC }, 
    RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"),
    COMMON_OPTS(),
    { NULL },
}

Definition at line 113 of file rtsp.c.

◆ rtp_options

const AVOption rtp_options[]

static

Initial value:

= {
    RTSP_FLAG_OPTS("rtp_flags", "set RTP flags"),
    { "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections", OFFSET(stimeout), AV_OPT_TYPE_DURATION, {.i64 = READ_PACKET_TIMEOUT_S*1000000}, INT_MIN, INT64_MAX, DEC },
    { "localaddr",          "local address",                                                 OFFSET(localaddr),AV_OPT_TYPE_STRING,   {.str = NULL}, 0, 0, DEC }, 
    RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"),
    COMMON_OPTS(),
    { NULL },
}

Definition at line 124 of file rtsp.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ READ_PACKET_TIMEOUT_S

◆ RECVBUF_SIZE

◆ DEFAULT_REORDERING_DELAY

◆ OFFSET

◆ DEC

◆ ENC

◆ RTSP_FLAG_OPTS

◆ RTSP_MEDIATYPE_OPTS

◆ COMMON_OPTS

◆ ERR_RET

Function Documentation

◆ map_to_opts()

◆ copy_tls_opts_dict()

◆ get_word_until_chars()

◆ get_word_sep()

◆ get_word()

◆ rtsp_parse_range_npt()

◆ get_sockaddr()

◆ ff_rtsp_undo_setup()

◆ ff_rtsp_close_streams()

◆ ff_rtsp_open_transport_ctx()

Variable Documentation

◆ ff_rtsp_options

◆ sdp_options

◆ rtp_options