RTP protocol. More...

#include "libavutil/parseutils.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include "avio_internal.h"
#include "rtp.h"
#include "rtpproto.h"
#include "url.h"
#include <stdarg.h>
#include "internal.h"
#include "network.h"
#include "os_support.h"
#include <fcntl.h>

Data Structures
struct	RTPContext

Functions
int	ff_rtp_set_remote_url (URLContext h, const char uri)
	If no filename is given to av_open_input_file because you want to get the local port first, then you must call this function to set the remote server address.

static struct addrinfo *	rtp_resolve_host (const char *hostname, int port, int type, int family, int flags)

static int	compare_addr (const struct sockaddr_storage a, const struct sockaddr_storage b)

static int	get_port (const struct sockaddr_storage *ss)

static void	set_port (struct sockaddr_storage *ss, int port)

static int	rtp_check_source_lists (RTPContext s, struct sockaddr_storage source_addr_ptr)

static	av_printf_format (3, 4)
	add option to url of the form: "http://host:port/path?option1=val1&option2=val2...

static void	build_udp_url (char buf, int buf_size, const char hostname, int port, int local_port, int ttl, int max_packet_size, int connect, int dscp, const char include_sources, const char exclude_sources)

static void	rtp_parse_addr_list (URLContext h, char buf, struct sockaddr_storage **address_list_ptr, int address_list_size_ptr)

static int	rtp_open (URLContext h, const char uri, int flags)
	url syntax: rtp://host:port[?option=val...] option: 'ttl=n' : set the ttl value (for multicast only) 'rtcpport=n' : set the remote rtcp port to n 'localrtpport=n' : set the local rtp port to n 'localrtcpport=n' : set the local rtcp port to n 'pkt_size=n' : set max packet size 'connect=0/1' : do a connect() on the UDP socket 'sources=ip[,ip]' : list allowed source IP addresses 'block=ip[,ip]' : list disallowed source IP addresses 'write_to_source=0/1' : send packets to the source address of the latest received packet 'dscp=n' : set DSCP value to n (QoS) deprecated option: 'localport=n' : set the local port to n

static int	rtp_read (URLContext h, uint8_t buf, int size)

static int	rtp_write (URLContext h, const uint8_t buf, int size)

static int	rtp_close (URLContext *h)

int	ff_rtp_get_local_rtp_port (URLContext *h)
	Return the local rtp port used by the RTP connection.

int	ff_rtp_get_local_rtcp_port (URLContext *h)
	Return the local rtcp port used by the RTP connection.

static int	rtp_get_file_handle (URLContext *h)

static int	rtp_get_multi_file_handle (URLContext h, int handles, int numhandles)

Variables
URLProtocol	ff_rtp_protocol

Detailed Description

RTP protocol.

Definition in file rtpproto.c.

Function Documentation

int ff_rtp_set_remote_url	(	URLContext *	h,
		const char *	uri
	)

If no filename is given to av_open_input_file because you want to get the local port first, then you must call this function to set the remote server address.

Parameters

h	media file context
uri	of the remote server

Returns: zero if no error.

Definition at line 63 of file rtpproto.c.

static struct addrinfo* rtp_resolve_host	(	const char *	hostname,
		int	port,
		int	type,
		int	family,
		int	flags
	)

staticread

Definition at line 92 of file rtpproto.c.

Referenced by rtp_parse_addr_list().

static int compare_addr	(	const struct sockaddr_storage *	a,
		const struct sockaddr_storage *	b
	)

static

Definition at line 111 of file rtpproto.c.

Referenced by rtp_check_source_lists().

static int get_port ( const struct sockaddr_storage * ss )

static

Definition at line 131 of file rtpproto.c.

Referenced by rtp_write().

static void set_port	(	struct sockaddr_storage *	ss,
		int	port
	)

static

Definition at line 142 of file rtpproto.c.

Referenced by rtp_write().

static int rtp_check_source_lists	(	RTPContext *	s,
		struct sockaddr_storage *	source_addr_ptr
	)

static

Definition at line 152 of file rtpproto.c.

Referenced by rtp_read().

static av_printf_format	(	3	,
		4
	)

static

add option to url of the form: "http://host:port/path?option1=val1&option2=val2...

Definition at line 176 of file rtpproto.c.

static void build_udp_url	(	char *	buf,
		int	buf_size,
		const char *	hostname,
		int	port,
		int	local_port,
		int	ttl,
		int	max_packet_size,
		int	connect,
		int	dscp,
		const char *	include_sources,
		const char *	exclude_sources
	)

static

Definition at line 191 of file rtpproto.c.

Referenced by rtp_open().

static void rtp_parse_addr_list	(	URLContext *	h,
		char *	buf,
		struct sockaddr_storage ***	address_list_ptr,
		int *	address_list_size_ptr
	)

static

Definition at line 217 of file rtpproto.c.

Referenced by rtp_open().

static int rtp_open	(	URLContext *	h,
		const char *	uri,
		int	flags
	)

static

url syntax: rtp://host:port[?option=val...] option: 'ttl=n' : set the ttl value (for multicast only) 'rtcpport=n' : set the remote rtcp port to n 'localrtpport=n' : set the local rtp port to n 'localrtcpport=n' : set the local rtcp port to n 'pkt_size=n' : set max packet size 'connect=0/1' : do a connect() on the UDP socket 'sources=ip[,ip]' : list allowed source IP addresses 'block=ip[,ip]' : list disallowed source IP addresses 'write_to_source=0/1' : send packets to the source address of the latest received packet 'dscp=n' : set DSCP value to n (QoS) deprecated option: 'localport=n' : set the local port to n

if rtcpport isn't set the rtcp port will be the rtp port + 1 if local rtp port isn't set any available port will be used for the local rtp and rtcp ports if the local rtcp port is not set it will be the local rtp port + 1

Definition at line 280 of file rtpproto.c.

static int rtp_read	(	URLContext *	h,
		uint8_t *	buf,
		int	size
	)

static

Definition at line 389 of file rtpproto.c.

static int rtp_write	(	URLContext *	h,
		const uint8_t *	buf,
		int	size
	)

static

Definition at line 431 of file rtpproto.c.

static int rtp_close ( URLContext * h )

static

Definition at line 503 of file rtpproto.c.

int ff_rtp_get_local_rtp_port ( URLContext * h )

Return the local rtp port used by the RTP connection.

Parameters

h	media file context

Returns: the local port number

Definition at line 526 of file rtpproto.c.

Referenced by rtsp_cmd_setup(), and rtsp_read_setup().

int ff_rtp_get_local_rtcp_port ( URLContext * h )

Return the local rtcp port used by the RTP connection.

Parameters

h	media file context

Returns: the local port number

Definition at line 538 of file rtpproto.c.

Referenced by rtsp_cmd_setup().

static int rtp_get_file_handle ( URLContext * h )

static

Definition at line 544 of file rtpproto.c.

static int rtp_get_multi_file_handle	(	URLContext *	h,
		int **	handles,
		int *	numhandles
	)

static

Definition at line 550 of file rtpproto.c.

Variable Documentation

URLProtocol ff_rtp_protocol

Initial value:

= {
    .name                      = "rtp",
    .url_open                  = rtp_open,
    .url_read                  = rtp_read,
    .url_write                 = rtp_write,
    .url_close                 = rtp_close,
    .url_get_file_handle       = rtp_get_file_handle,
    .url_get_multi_file_handle = rtp_get_multi_file_handle,
    .priv_data_size            = sizeof(RTPContext),
    .flags                     = URL_PROTOCOL_FLAG_NETWORK,
}

Definition at line 563 of file rtpproto.c.

Data Structures

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation