FFmpeg
Variables
mpegaudiodata.c File Reference
#include "mpegaudiodata.h"

Go to the source code of this file.

Variables

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]
 
static const unsigned char alloc_table_1 []
 
static const unsigned char alloc_table_3 []
 
static const unsigned char alloc_table_4 []
 
const unsigned char *const ff_mpa_alloc_tables [5]
 

Detailed Description

mpeg audio layer common tables.

Definition in file mpegaudiodata.c.

Variable Documentation

◆ ff_mpa_sblimit_table

const int ff_mpa_sblimit_table[5] = { 27 , 30 , 8, 12 , 30 }

Definition at line 32 of file mpegaudiodata.c.

Referenced by mp_decode_layer2(), and MPA_encode_init().

◆ 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
}

Definition at line 34 of file mpegaudiodata.c.

Referenced by encode_frame(), mp_decode_layer2(), and mpegaudiodec_common_init_static().

◆ 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
}

Definition at line 42 of file mpegaudiodata.c.

Referenced by encode_frame(), mp_decode_layer2(), MPA_encode_init(), and mpegaudiodec_common_init_static().

◆ alloc_table_1

const unsigned char alloc_table_1[]
static

Definition at line 51 of file mpegaudiodata.c.

◆ alloc_table_3

const unsigned char alloc_table_3[]
static
Initial value:
= {
4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
3, 0, 1, 3, 4, 5, 6, 7,
}

Definition at line 84 of file mpegaudiodata.c.

◆ alloc_table_4

const unsigned char alloc_table_4[]
static

Definition at line 99 of file mpegaudiodata.c.

◆ ff_mpa_alloc_tables

const unsigned char* const ff_mpa_alloc_tables[5]
Initial value:

Definition at line 132 of file mpegaudiodata.c.

Referenced by mp_decode_layer2(), and MPA_encode_init().

alloc_table_3
static const unsigned char alloc_table_3[]
Definition: mpegaudiodata.c:84
alloc_table_4
static const unsigned char alloc_table_4[]
Definition: mpegaudiodata.c:99
alloc_table_1
static const unsigned char alloc_table_1[]
Definition: mpegaudiodata.c:51