mpegaudiodata.c File Reference

mpeg audio layer common tables. More...

#include "mpegaudiodata.h"

Variables
const uint16_t	avpriv_mpa_bitrate_tab [2][3][15]
const uint16_t	avpriv_mpa_freq_tab [3] = { 44100, 48000, 32000 }
const int	ff_mpa_sblimit_table [5] = { 27 , 30 , 8, 12 , 30 }
const int	ff_mpa_quant_steps [17]
const int	ff_mpa_quant_bits [17]
const unsigned char *const	ff_mpa_alloc_tables [5]

Detailed Description

mpeg audio layer common tables.

Variable Documentation

avpriv_mpa_bitrate_tab

const uint16_t avpriv_mpa_bitrate_tab[2][3][15]

Initial value:

= {
    { {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 },
      {0, 32, 48, 56,  64,  80,  96, 112, 128, 160, 192, 224, 256, 320, 384 },
      {0, 32, 40, 48,  56,  64,  80,  96, 112, 128, 160, 192, 224, 256, 320 } },
    { {0, 32, 48, 56,  64,  80,  96, 112, 128, 144, 160, 176, 192, 224, 256},
      {0,  8, 16, 24,  32,  40,  48,  56,  64,  80,  96, 112, 128, 144, 160},
      {0,  8, 16, 24,  32,  40,  48,  56,  64,  80,  96, 112, 128, 144, 160}
    }
}

ff_mpa_alloc_tables

const unsigned char* const ff_mpa_alloc_tables[5]

Initial value:

=
{ alloc_table_1, alloc_table_1, alloc_table_3, alloc_table_3, alloc_table_4, }

ff_mpa_quant_bits

const int ff_mpa_quant_bits[17]

Initial value:

= {
    -5,  -7,  3, -10, 4,
     5,  6,  7,  8,  9,
    10, 11, 12, 13, 14,
    15, 16
}

ff_mpa_quant_steps

const int ff_mpa_quant_steps[17]

Initial value:

= {
    3,     5,    7,    9,    15,
    31,    63,  127,  255,   511,
    1023,  2047, 4095, 8191, 16383,
    32767, 65535
}