libavformat/rtpproto.c File Reference

RTP protocol. More...

#include "libavutil/avstring.h"
#include "avformat.h"
#include <unistd.h>
#include <stdarg.h>
#include "network.h"
#include "os_support.h"
#include <fcntl.h>

Go to the source code of this file.

Data Structures
struct	RTPContext
Defines
#define	RTP_TX_BUF_SIZE   (64 * 1024)
#define	RTP_RX_BUF_SIZE   (128 * 1024)
Functions
int	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 void	url_add_option (char *buf, int buf_size, const char *fmt,...)
	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)
static int	rtp_open (URLContext *h, const char *uri, int flags)
	url syntax: rtp://host:port[?option=val.
static int	rtp_read (URLContext *h, uint8_t *buf, int size)
static int	rtp_write (URLContext *h, uint8_t *buf, int size)
static int	rtp_close (URLContext *h)
int	rtp_get_local_port (URLContext *h)
	Return the local port used by the RTP connection.
void	rtp_get_file_handles (URLContext *h, int *prtp_fd, int *prtcp_fd)
	Return the rtp and rtcp file handles for select() usage to wait for several RTP streams at the same time.
Variables
URLProtocol	rtp_protocol

---

Detailed Description

RTP protocol.

Definition in file rtpproto.c.

---

Define Documentation

#define RTP_RX_BUF_SIZE   (128 * 1024)

Definition at line 40 of file rtpproto.c.

#define RTP_TX_BUF_SIZE   (64 * 1024)

Definition at line 39 of file rtpproto.c.

---

Function Documentation

static void build_udp_url	(	char *	buf,
		int	buf_size,
		const char *	hostname,
		int	port,
		int	local_port,
		int	ttl,
		int	max_packet_size
	)			[static]

Definition at line 98 of file rtpproto.c.

Referenced by rtp_open().

static int rtp_close

(

URLContext *

h

)

[static]

Definition at line 277 of file rtpproto.c.

void rtp_get_file_handles	(	URLContext *	h,
		int *	prtp_fd,
		int *	prtcp_fd
	)

Return the rtp and rtcp file handles for select() usage to wait for several RTP streams at the same time.

Parameters:

h

media file context

Definition at line 305 of file rtpproto.c.

Referenced by udp_read_packet().

int rtp_get_local_port

(

URLContext *

h

)

Return the local port used by the RTP connection.

Parameters:

s1

media file context

Returns:

the local port number

Definition at line 293 of file rtpproto.c.

Referenced by make_setup_request(), and rtsp_cmd_setup().

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) 'localport=n' : set the local port to n 'pkt_size=n' : set max packet size

Definition at line 120 of file rtpproto.c.

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

Definition at line 188 of file rtpproto.c.

int 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:

	s1	media file context
	uri	of the remote server

Returns:

zero if no error.

Definition at line 57 of file rtpproto.c.

Referenced by make_setup_request().

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

Definition at line 251 of file rtpproto.c.

static void url_add_option	(	char *	buf,
		int	buf_size,
		const char *	fmt,
			...
	)			[static]

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

..

Definition at line 83 of file rtpproto.c.

Referenced by build_udp_url().

---

Variable Documentation

URLProtocol rtp_protocol

Initial value:

 {
    "rtp",
    rtp_open,
    rtp_read,
    rtp_write,
    NULL, 
    rtp_close,
}

Definition at line 313 of file rtpproto.c.