hqxvlc.h File Reference

#include <stdint.h>
#include "vlc.h"
#include "libavutil/attributes.h"
#include "libavutil/macros.h"

Go to the source code of this file.

Data Structures
struct	HQXAC

Macros
#define	HQX_CBP_VLC_BITS   5
#define	HQX_DC_VLC_BITS   9
#define	E(level, run)   ((level * 128) | (run + 1))
#define	INIT_DC_TABLE(idx, name)

Enumerations
enum	HQXACMode {   HQX_AC_Q0 = 0, HQX_AC_Q8, HQX_AC_Q16, HQX_AC_Q32,   HQX_AC_Q64, HQX_AC_Q128, NUM_HQX_AC }

Functions
static av_cold av_unused void	hqx_init_static (void)

Variables
static const uint8_t	cbp_vlc_bits [16]
static const uint8_t	cbp_vlc_lens [16]
static const uint16_t	dc9_vlc_bits [512]
static const uint8_t	dc9_vlc_lens [512]
static const uint16_t	dc10_vlc_bits [1024]
static const uint8_t	dc10_vlc_lens [1024]
static const uint16_t	dc11_vlc_bits [2048]
static const uint8_t	dc11_vlc_lens [2048]
static HQXAC	hqx_ac [NUM_HQX_AC]
static const int16_t	hqx_ac_run_level []
static const uint8_t	hqx_ac_lens []
static const uint16_t	hqx_ac_nb_elems [] = { 815, 907, 512, 354, 257, 194 }
static VLCElem	cbp_vlc [(1<< HQX_CBP_VLC_BITS)+896+1344+15630]
static const VLCElem *	dc_vlc [2]

Macro Definition Documentation

HQX_CBP_VLC_BITS

#define HQX_CBP_VLC_BITS   5

Definition at line 31 of file hqxvlc.h.

HQX_DC_VLC_BITS

#define HQX_DC_VLC_BITS   9

Definition at line 32 of file hqxvlc.h.

E

#define E	(		level,
			run
	)		((level * 128) | (run + 1))

Definition at line 755 of file hqxvlc.h.

INIT_DC_TABLE

#define INIT_DC_TABLE	(		idx,
			name
	)

Value:

    do {                                                                      \
         dc_vlc[idx] = ff_vlc_init_tables(&state, HQX_DC_VLC_BITS,            \
                                          FF_ARRAY_ELEMS(name ## _vlc_lens),  \
                                          name ## _vlc_lens, 1, 1,            \
                                          name ## _vlc_bits, 2, 2, 0);        \
    } while (0)

Definition at line 1537 of file hqxvlc.h.

Enumeration Type Documentation

HQXACMode

enum HQXACMode

Enumerator
HQX_AC_Q0
HQX_AC_Q8
HQX_AC_Q16
HQX_AC_Q32
HQX_AC_Q64
HQX_AC_Q128
NUM_HQX_AC

Definition at line 34 of file hqxvlc.h.

Function Documentation

hqx_init_static()

static av_cold av_unused void hqx_init_static ( void  )

static

Definition at line 1545 of file hqxvlc.h.

Referenced by hqx_decode_init().

Variable Documentation

cbp_vlc_bits

const uint8_t cbp_vlc_bits[16]

static

Initial value:

= {
    0x04, 0x1C, 0x1D, 0x09, 0x1E, 0x0B, 0x1B, 0x08,
    0x1F, 0x1A, 0x0C, 0x07, 0x0A, 0x06, 0x05, 0x00,
}

Definition at line 49 of file hqxvlc.h.

Referenced by hqx_init_static().

cbp_vlc_lens

const uint8_t cbp_vlc_lens[16]

static

Initial value:

= {
    4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2,
}

Definition at line 54 of file hqxvlc.h.

Referenced by hqx_init_static().

dc9_vlc_bits

const uint16_t dc9_vlc_bits[512]

static

Definition at line 58 of file hqxvlc.h.

dc9_vlc_lens

const uint8_t dc9_vlc_lens[512]

static

Definition at line 125 of file hqxvlc.h.

dc10_vlc_bits

const uint16_t dc10_vlc_bits[1024]

static

Definition at line 160 of file hqxvlc.h.

dc10_vlc_lens

const uint8_t dc10_vlc_lens[1024]

static

Definition at line 291 of file hqxvlc.h.

dc11_vlc_bits

const uint16_t dc11_vlc_bits[2048]

static

Definition at line 358 of file hqxvlc.h.

Referenced by hqx_decode_init().

dc11_vlc_lens

const uint8_t dc11_vlc_lens[2048]

static

Definition at line 617 of file hqxvlc.h.

Referenced by hqx_decode_init().

hqx_ac

HQXAC hqx_ac[NUM_HQX_AC]

static

Initial value:

= {
    { 10 }, { 11 }, { 11 }, { 11 }, { 12 }, { 11 },
}

Definition at line 749 of file hqxvlc.h.

Referenced by decode_block(), and hqx_init_static().

hqx_ac_run_level

const int16_t hqx_ac_run_level[]

static

Definition at line 757 of file hqxvlc.h.

Referenced by hqx_init_static().

hqx_ac_lens

const uint8_t hqx_ac_lens[]

static

Definition at line 1349 of file hqxvlc.h.

Referenced by hqx_init_static().

hqx_ac_nb_elems

const uint16_t hqx_ac_nb_elems[] = { 815, 907, 512, 354, 257, 194 }

static

Definition at line 1530 of file hqxvlc.h.

Referenced by hqx_init_static().

cbp_vlc

VLCElem cbp_vlc[(1<< HQX_CBP_VLC_BITS)+896+1344+15630]

static

Definition at line 1533 of file hqxvlc.h.

Referenced by hqx_decode_422a(), hqx_decode_444a(), and hqx_init_static().

dc_vlc

const VLCElem* dc_vlc[2]

static

Definition at line 1535 of file hqxvlc.h.