qdm2_tablegen.h File Reference

#include <stdint.h>
#include <math.h>
#include "libavutil/attributes.h"
#include "qdm2data.h"

Go to the source code of this file.

Macros
#define	SOFTCLIP_THRESHOLD   27600
#define	HARDCLIP_THRESHOLD   35716

Functions
static av_cold void	softclip_table_init (void)
static av_cold void	rnd_table_init (void)
static av_cold void	init_noise_samples (void)
static av_cold void	build_vlc (VLC *vlc, int nb_bits, int nb_codes, unsigned *offset, const uint8_t tab[][2])
static av_cold void	qdm2_init_vlc (void)

Variables
static uint16_t	softclip_table [HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD+1]
static float	noise_table [4096+20]
static uint8_t	random_dequant_index [256][5]
static uint8_t	random_dequant_type24 [128][3]
static float	noise_samples [128]
static VLC	vlc_tab_level
static VLC	vlc_tab_diff
static VLC	vlc_tab_run
static VLC	fft_level_exp_alt_vlc
static VLC	fft_level_exp_vlc
static VLC	fft_stereo_exp_vlc
static VLC	fft_stereo_phase_vlc
static VLC	vlc_tab_tone_level_idx_hi1
static VLC	vlc_tab_tone_level_idx_mid
static VLC	vlc_tab_tone_level_idx_hi2
static VLC	vlc_tab_type30
static VLC	vlc_tab_type34
static VLC	vlc_tab_fft_tone_offset [5]
static VLC_TYPE	qdm2_table [3838][2]

Macro Definition Documentation

SOFTCLIP_THRESHOLD

#define SOFTCLIP_THRESHOLD   27600

Definition at line 31 of file qdm2_tablegen.h.

HARDCLIP_THRESHOLD

#define HARDCLIP_THRESHOLD   35716

Definition at line 32 of file qdm2_tablegen.h.

Function Documentation

softclip_table_init()

static av_cold void softclip_table_init ( void  )

static

Definition at line 47 of file qdm2_tablegen.h.

Referenced by main(), and qdm2_init_static_data().

rnd_table_init()

static av_cold void rnd_table_init ( void  )

static

Definition at line 57 of file qdm2_tablegen.h.

Referenced by main(), and qdm2_init_static_data().

init_noise_samples()

static av_cold void init_noise_samples ( void  )

static

Definition at line 88 of file qdm2_tablegen.h.

Referenced by main(), and qdm2_init_static_data().

build_vlc()

static av_cold void build_vlc ( VLC *  vlc, int  nb_bits, int  nb_codes, unsigned *  offset, const uint8_t  tab[][2]  )

static

Definition at line 114 of file qdm2_tablegen.h.

Referenced by qdm2_init_vlc().

qdm2_init_vlc()

static av_cold void qdm2_init_vlc ( void  )

static

Definition at line 125 of file qdm2_tablegen.h.

Referenced by main(), and qdm2_init_static_data().

Variable Documentation

softclip_table

uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD+1]

static

Definition at line 41 of file qdm2_tablegen.h.

Referenced by main(), qdm2_decode(), and softclip_table_init().

noise_table

float noise_table[4096+20]

static

Definition at line 42 of file qdm2_tablegen.h.

Referenced by rnd_table_init().

random_dequant_index

uint8_t random_dequant_index[256][5]

static

Definition at line 43 of file qdm2_tablegen.h.

Referenced by main(), rnd_table_init(), and synthfilt_build_sb_samples().

random_dequant_type24

uint8_t random_dequant_type24[128][3]

static

Definition at line 44 of file qdm2_tablegen.h.

Referenced by main(), rnd_table_init(), and synthfilt_build_sb_samples().

noise_samples

float noise_samples[128]

static

Definition at line 45 of file qdm2_tablegen.h.

Referenced by init_noise_samples(), main(), and synthfilt_build_sb_samples().

vlc_tab_level

VLC vlc_tab_level

static

Definition at line 98 of file qdm2_tablegen.h.

Referenced by init_quantized_coeffs_elem0(), main(), process_subpacket_9(), and qdm2_init_vlc().

vlc_tab_diff

VLC vlc_tab_diff

static

Definition at line 99 of file qdm2_tablegen.h.

Referenced by init_quantized_coeffs_elem0(), main(), process_subpacket_9(), and qdm2_init_vlc().

vlc_tab_run

VLC vlc_tab_run

static

Definition at line 100 of file qdm2_tablegen.h.

Referenced by init_quantized_coeffs_elem0(), main(), process_subpacket_9(), and qdm2_init_vlc().

fft_level_exp_alt_vlc

VLC fft_level_exp_alt_vlc

static

Definition at line 101 of file qdm2_tablegen.h.

Referenced by main(), qdm2_fft_decode_tones(), and qdm2_init_vlc().

fft_level_exp_vlc

VLC fft_level_exp_vlc

static

Definition at line 102 of file qdm2_tablegen.h.

Referenced by main(), qdm2_decode_super_block(), qdm2_fft_decode_tones(), and qdm2_init_vlc().

fft_stereo_exp_vlc

VLC fft_stereo_exp_vlc

static

Definition at line 103 of file qdm2_tablegen.h.

Referenced by main(), qdm2_fft_decode_tones(), and qdm2_init_vlc().

fft_stereo_phase_vlc

VLC fft_stereo_phase_vlc

static

Definition at line 104 of file qdm2_tablegen.h.

Referenced by main(), qdm2_fft_decode_tones(), and qdm2_init_vlc().

vlc_tab_tone_level_idx_hi1

VLC vlc_tab_tone_level_idx_hi1

static

Definition at line 105 of file qdm2_tablegen.h.

Referenced by init_tone_level_dequantization(), main(), and qdm2_init_vlc().

vlc_tab_tone_level_idx_mid

VLC vlc_tab_tone_level_idx_mid

static

Definition at line 106 of file qdm2_tablegen.h.

Referenced by init_tone_level_dequantization(), main(), and qdm2_init_vlc().

vlc_tab_tone_level_idx_hi2

VLC vlc_tab_tone_level_idx_hi2

static

Definition at line 107 of file qdm2_tablegen.h.

Referenced by init_tone_level_dequantization(), main(), and qdm2_init_vlc().

vlc_tab_type30

VLC vlc_tab_type30

static

Definition at line 108 of file qdm2_tablegen.h.

Referenced by main(), qdm2_init_vlc(), and synthfilt_build_sb_samples().

vlc_tab_type34

VLC vlc_tab_type34

static

Definition at line 109 of file qdm2_tablegen.h.

Referenced by main(), qdm2_init_vlc(), and synthfilt_build_sb_samples().

vlc_tab_fft_tone_offset

VLC vlc_tab_fft_tone_offset[5]

static

Definition at line 110 of file qdm2_tablegen.h.

Referenced by main(), qdm2_fft_decode_tones(), and qdm2_init_vlc().

qdm2_table

VLC_TYPE qdm2_table[3838][2]

static

Definition at line 112 of file qdm2_tablegen.h.

Referenced by build_vlc(), and main().