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cosmetics: use some size macros in ac3tab.c/h

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Originally committed as revision 25969 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2010-12-14 14:51:47 +00:00
parent ce571ceb45
commit e0b9f94b39
3 changed files with 9 additions and 8 deletions
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4
libavcodec/ac3.h
View File

@ -27,8 +27,6 @@
#ifndef AVCODEC_AC3_H
#define AVCODEC_AC3_H
#include "ac3tab.h"
#define AC3_MAX_CODED_FRAME_SIZE 3840 /* in bytes */
#define AC3_MAX_CHANNELS 6 /* including LFE channel */
@ -39,6 +37,8 @@
#define AC3_WINDOW_SIZE (AC3_BLOCK_SIZE * 2)
#define AC3_CRITICAL_BANDS 50
#include "ac3tab.h"
/* exponent encoding strategy */
#define EXP_REUSE 0
#define EXP_NEW 1

6
libavcodec/ac3tab.c
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@ -135,7 +135,7 @@ const uint16_t ff_ac3_bitrate_tab[19] = {
/* AC-3 MDCT window */
/* MDCT window */
const int16_t ff_ac3_window[256] = {
const int16_t ff_ac3_window[AC3_WINDOW_SIZE/2] = {
4, 7, 12, 16, 21, 28, 34, 42,
51, 61, 72, 84, 97, 111, 127, 145,
164, 184, 207, 231, 257, 285, 315, 347,
@ -199,7 +199,7 @@ const uint8_t ff_ac3_log_add_tab[260]= {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
const uint16_t ff_ac3_hearing_threshold_tab[50][3]= {
const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]= {
{ 0x04d0,0x04f0,0x0580 },
{ 0x04d0,0x04f0,0x0580 },
{ 0x0440,0x0460,0x04b0 },
@ -286,7 +286,7 @@ const uint16_t ff_ac3_fast_gain_tab[8]= {
0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x380, 0x400,
};
const uint8_t ff_ac3_critical_band_size_tab[50]={
const uint8_t ff_ac3_critical_band_size_tab[AC3_CRITICAL_BANDS]={
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3,
3, 6, 6, 6, 6, 6, 6, 12, 12, 12, 12, 24, 24, 24, 24, 24

7
libavcodec/ac3tab.h
View File

@ -23,6 +23,7 @@
#define AVCODEC_AC3TAB_H
#include "libavutil/common.h"
#include "ac3.h"
extern const uint16_t ff_ac3_frame_size_tab[38][3];
extern const uint8_t ff_ac3_channels_tab[8];
@ -31,9 +32,9 @@ extern const uint8_t ff_ac3_enc_channel_map[8][2][6];
extern const uint8_t ff_ac3_dec_channel_map[8][2][6];
extern const uint16_t ff_ac3_sample_rate_tab[3];
extern const uint16_t ff_ac3_bitrate_tab[19];
extern const int16_t ff_ac3_window[256];
extern const int16_t ff_ac3_window[AC3_WINDOW_SIZE/2];
extern const uint8_t ff_ac3_log_add_tab[260];
extern const uint16_t ff_ac3_hearing_threshold_tab[50][3];
extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3];
extern const uint8_t ff_ac3_bap_tab[64];
extern const uint8_t ff_ac3_slow_decay_tab[4];
extern const uint8_t ff_ac3_fast_decay_tab[4];
@ -41,7 +42,7 @@ extern const uint16_t ff_ac3_slow_gain_tab[4];
extern const uint16_t ff_ac3_db_per_bit_tab[4];
extern const int16_t ff_ac3_floor_tab[8];
extern const uint16_t ff_ac3_fast_gain_tab[8];
extern const uint8_t ff_ac3_critical_band_size_tab[50];
extern const uint8_t ff_ac3_critical_band_size_tab[AC3_CRITICAL_BANDS];
extern const uint16_t ff_eac3_default_chmap[8];
/** Custom channel map locations bitmask