FFmpeg
Variables
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
}