prompeg.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
#include "avformat.h"
#include "config.h"
#include "url.h"

Go to the source code of this file.

Data Structures
struct	PrompegFec
struct	PrompegContext

Macros
#define	PROMPEG_RTP_PT   0x60
#define	PROMPEG_FEC_COL   0x0
#define	PROMPEG_FEC_ROW   0x1
#define	OFFSET(x)   offsetof(PrompegContext, x)
#define	E   AV_OPT_FLAG_ENCODING_PARAM

Functions
static void	xor_fast (const uint8_t *in1, const uint8_t *in2, uint8_t *out, int size)
static int	prompeg_create_bitstring (URLContext *h, const uint8_t *buf, int size, uint8_t **bitstring)
static int	prompeg_write_fec (URLContext *h, PrompegFec *fec, uint8_t type)
static int	prompeg_open (URLContext *h, const char *uri, int flags)
static int	prompeg_init (URLContext *h, const uint8_t *buf, int size)
static int	prompeg_write (URLContext *h, const uint8_t *buf, int size)
static int	prompeg_close (URLContext *h)

Variables
static const AVOption	options []
static const AVClass	prompeg_class
const URLProtocol	ff_prompeg_protocol

Detailed Description

Pro-MPEG Code of Practice #3 Release 2 FEC protocol

Author

Vlad Tarca vlad..nosp@m.tarc.nosp@m.a@gma.nosp@m.il.c.nosp@m.om

Definition in file prompeg.c.

Macro Definition Documentation

PROMPEG_RTP_PT

#define PROMPEG_RTP_PT   0x60

Definition at line 91 of file prompeg.c.

PROMPEG_FEC_COL

#define PROMPEG_FEC_COL   0x0

Definition at line 92 of file prompeg.c.

PROMPEG_FEC_ROW

#define PROMPEG_FEC_ROW   0x1

Definition at line 93 of file prompeg.c.

OFFSET

#define OFFSET

(

x

)

offsetof(PrompegContext, x)

Definition at line 119 of file prompeg.c.

E

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 120 of file prompeg.c.

Function Documentation

xor_fast()

static void xor_fast ( const uint8_t *  in1, const uint8_t *  in2, uint8_t *  out, int  size  )

static

Definition at line 136 of file prompeg.c.

Referenced by prompeg_write().

prompeg_create_bitstring()

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

static

Definition at line 176 of file prompeg.c.

Referenced by prompeg_write().

prompeg_write_fec()

static int prompeg_write_fec ( URLContext *  h, PrompegFec *  fec, uint8_t  type  )

static

Definition at line 217 of file prompeg.c.

Referenced by prompeg_write().

prompeg_open()

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

static

Definition at line 269 of file prompeg.c.

prompeg_init()

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

static

Definition at line 319 of file prompeg.c.

Referenced by prompeg_write().

prompeg_write()

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

static

Definition at line 384 of file prompeg.c.

prompeg_close()

static int prompeg_close ( URLContext *  h )

static

Definition at line 450 of file prompeg.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "ttl",   "Time to live (in milliseconds, multicast only)", OFFSET(ttl), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, .flags = E },
    { "l", "FEC L", OFFSET(l), AV_OPT_TYPE_INT, { .i64 =  5 }, 4, 20, .flags = E },
    { "d", "FEC D", OFFSET(d), AV_OPT_TYPE_INT, { .i64 =  5 }, 4, 20, .flags = E },
    { NULL }
}

Definition at line 122 of file prompeg.c.

prompeg_class

const AVClass prompeg_class

static

Initial value:

= {
    .class_name = "prompeg",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 129 of file prompeg.c.

ff_prompeg_protocol

const URLProtocol ff_prompeg_protocol

Initial value:

= {
    .name                      = "prompeg",
    .url_open                  = prompeg_open,
    .url_write                 = prompeg_write,
    .url_close                 = prompeg_close,
    .priv_data_size            = sizeof(PrompegContext),
    .flags                     = URL_PROTOCOL_FLAG_NETWORK,
    .priv_data_class           = &prompeg_class,
}

Definition at line 469 of file prompeg.c.