rs.cpp File Reference

#include <bitset>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include "config.h"
#include "debug.h"
#include "rtp/rs.h"
#include "rtp/rtp_types.h"
#include "transmit.h"
#include "ug_runtime_error.hpp"
#include "utils/color_out.h"
#include "utils/text.h"
#include "video.h"

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Macros
#define	MAX_K   255
#define	MAX_N   255
#define	MOD_NAME   "[fec/rs] "

Enumerations
enum	{ DEFAULT_K_AUDIO = 160 , DEFAULT_K_VIDEO = 200 , DEFAULT_N = 240 }

Functions
static void	usage ()

Detailed Description

Author

Martin Pulec pulec.nosp@m.@ces.nosp@m.net.c.nosp@m.z

Definition in file rs.cpp.

Macro Definition Documentation

MAX_K

#define MAX_K   255

Definition at line 60 of file rs.cpp.

Referenced by usage().

MAX_N

#define MAX_N   255

Definition at line 61 of file rs.cpp.

Referenced by rs::rs(), rs::rs(), rs::decode(), rs::encode(), rs::encode(), and usage().

MOD_NAME

#define MOD_NAME   "[fec/rs] "

Definition at line 63 of file rs.cpp.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DEFAULT_K_AUDIO
DEFAULT_K_VIDEO
DEFAULT_N

Definition at line 54 of file rs.cpp.

     {
        DEFAULT_K_AUDIO = 160,
        DEFAULT_K_VIDEO = 200,
        DEFAULT_N       = 240,
};

Function Documentation

usage()

static void usage ( void )

static

Definition at line 421 of file rs.cpp.

                    {
        color_printf(TBOLD("Reed-Solomon") " usage:\n");
        color_printf("\t" TBOLD(TRED("-f rs") "[:<k>:<n>]") "\n");
        color_printf("\nwhere:\n");
        color_printf("\t" TBOLD("<k>") " - block length (default "
                TBOLD("%d") ", max %d)\n"
                "\t" TBOLD("<n>") " - length of block + parity "
                "(default " TBOLD("%d") ", max %d),\n"
                "\t\t\tmust be > <k>\n\n",
                DEFAULT_K_VIDEO, MAX_K, DEFAULT_N, MAX_N);
 
        char desc[] =
            "The n/k ratio determines the redundancy that the FEC provides. "
            "But please note that the " TUNDERLINE("strength")
            " of the FEC applies " TBOLD ("per frame") " basis, so 20%"
            " redundancy will cover 20% loss in a signle frame only.\n";
        color_printf("%s\n", wrap_paragraph(desc));
}

References color_printf(), DEFAULT_K_VIDEO, DEFAULT_N, desc, MAX_K, MAX_N, TBOLD, TRED, TUNDERLINE, and wrap_paragraph().

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