librist.c File Reference

Reliable Internet Streaming Transport protocol. More...

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/time.h"
#include "avformat.h"
#include "internal.h"
#include "network.h"
#include "os_support.h"
#include "url.h"
#include <librist/librist.h>
#include <librist/version.h>

Go to the source code of this file.

Data Structures
struct	RISTContext

Macros
#define	MAX_PAYLOAD_SIZE   (10000-28)
#define	FIFO_SIZE_DEFAULT   8192
#define	D   AV_OPT_FLAG_DECODING_PARAM
#define	E   AV_OPT_FLAG_ENCODING_PARAM
#define	OFFSET(x)

Functions
static int	risterr2ret (int err)
static int	log_cb (void *arg, enum rist_log_level log_level, const char *msg)
static int	librist_close (URLContext *h)
static int	librist_open (URLContext *h, const char *uri, int flags)
static int	librist_read (URLContext *h, uint8_t *buf, int size)
static int	librist_write (URLContext *h, const uint8_t *buf, int size)

Variables
static const AVOption	librist_options []
static const AVClass	librist_class
const URLProtocol	ff_librist_protocol

Detailed Description

Reliable Internet Streaming Transport protocol.

Definition in file librist.c.

Macro Definition Documentation

MAX_PAYLOAD_SIZE

#define MAX_PAYLOAD_SIZE   (10000-28)

Definition at line 40 of file librist.c.

Referenced by librist_open(), and librist_read().

FIFO_SIZE_DEFAULT

#define FIFO_SIZE_DEFAULT   8192

Definition at line 41 of file librist.c.

D

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 62 of file librist.c.

E

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 63 of file librist.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(RISTContext, x)

Definition at line 64 of file librist.c.

Function Documentation

risterr2ret()

static int risterr2ret ( int err )

static

Definition at line 80 of file librist.c.

Referenced by librist_close(), librist_open(), librist_read(), and librist_write().

log_cb()

static int log_cb ( void * arg, enum rist_log_level log_level, const char * msg )

static

Definition at line 90 of file librist.c.

librist_close()

static int librist_close ( URLContext * h )

static

Definition at line 109 of file librist.c.

Referenced by librist_open().

librist_open()

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

static

Definition at line 123 of file librist.c.

librist_read()

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

static

Definition at line 200 of file librist.c.

librist_write()

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

static

Definition at line 236 of file librist.c.

Variable Documentation

librist_options

const AVOption librist_options[]

static

Initial value:

= {
    { "rist_profile","set profile",     OFFSET(profile),     AV_OPT_TYPE_INT,   {.i64=RIST_PROFILE_MAIN},     0, 2, .flags = D|E, .unit = "profile" },
    { "simple",      NULL,              0,                   AV_OPT_TYPE_CONST, {.i64=RIST_PROFILE_SIMPLE},   0, 0, .flags = D|E, .unit = "profile" },
    { "main",        NULL,              0,                   AV_OPT_TYPE_CONST, {.i64=RIST_PROFILE_MAIN},     0, 0, .flags = D|E, .unit = "profile" },
    { "advanced",    NULL,              0,                   AV_OPT_TYPE_CONST, {.i64=RIST_PROFILE_ADVANCED}, 0, 0, .flags = D|E, .unit = "profile" },
    { "buffer_size", "set buffer_size in ms", OFFSET(buffer_size), AV_OPT_TYPE_INT, {.i64=0},                 0, 30000, .flags = D|E },
    { "fifo_size",   "set fifo buffer size, must be a power of 2", OFFSET(fifo_size), AV_OPT_TYPE_INT, {.i64=FIFO_SIZE_DEFAULT}, 32, 262144, .flags = D|E },
    { "overrun_nonfatal", "survive in case of receiving fifo buffer overrun", OFFSET(overrun_nonfatal), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1,    D },
    { "pkt_size",    "set packet size", OFFSET(packet_size), AV_OPT_TYPE_INT,   {.i64=1316},                  1, MAX_PAYLOAD_SIZE,    .flags = D|E },
    { "log_level",   "set loglevel",    OFFSET(log_level),   AV_OPT_TYPE_INT,   {.i64=RIST_LOG_INFO},        -1, INT_MAX, .flags = D|E },
    { "secret", "set encryption secret",OFFSET(secret),      AV_OPT_TYPE_STRING,{.str=NULL},                  0, 0,       .flags = D|E },
    { "encryption","set encryption type",OFFSET(encryption), AV_OPT_TYPE_INT   ,{.i64=0},                     0, INT_MAX, .flags = D|E },
    { NULL }
}

Definition at line 65 of file librist.c.

librist_class

const AVClass librist_class

static

Initial value:

= {
    .class_name = "librist",
    .item_name  = av_default_item_name,
    .option     = librist_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 253 of file librist.c.

ff_librist_protocol

const URLProtocol ff_librist_protocol

Initial value:

= {
    .name                = "rist",
    .url_open            = librist_open,
    .url_read            = librist_read,
    .url_write           = librist_write,
    .url_close           = librist_close,
    .priv_data_size      = sizeof(RISTContext),
    .flags               = URL_PROTOCOL_FLAG_NETWORK,
    .priv_data_class     = &librist_class,
}

Definition at line 260 of file librist.c.