hqxvlc.c File Reference

#include "hqx.h"

Go to the source code of this file.

Macros
#define	RPT_2(a, b, c)   { a, b, c }, { a, b, c }
#define	RPT_4(a, b, c)   RPT_2( a, b, c), RPT_2( a, b, c)
#define	RPT_8(a, b, c)   RPT_4( a, b, c), RPT_4( a, b, c)
#define	RPT_16(a, b, c)   RPT_8( a, b, c), RPT_8( a, b, c)
#define	RPT_32(a, b, c)   RPT_16( a, b, c), RPT_16( a, b, c)
#define	RPT_64(a, b, c)   RPT_32( a, b, c), RPT_32( a, b, c)
#define	RPT_128(a, b, c)   RPT_64( a, b, c), RPT_64( a, b, c)
#define	RPT_256(a, b, c)   RPT_128(a, b, c), RPT_128(a, b, c)
#define	RPT_512(a, b, c)   RPT_256(a, b, c), RPT_256(a, b, c)
#define	RPT_1024(a, b, c)   RPT_512(a, b, c), RPT_512(a, b, c)
#define	INIT_DC_TABLE(idx, name)

Functions
av_cold int	ff_hqx_init_vlcs (HQXContext *ctx)

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 const HQXLUT	ac0_lut []
static const HQXLUT	ac8_lut []
static const HQXLUT	ac16_lut []
static const HQXLUT	ac32_lut []
static const HQXLUT	ac64_lut []
static const HQXLUT	ac128_lut []
const HQXAC	ff_hqx_ac [NUM_HQX_AC]

Macro Definition Documentation

#define RPT_2	(		a,
			b,
			c
	)		{ a, b, c }, { a, b, c }

Definition at line 722 of file hqxvlc.c.

#define RPT_4	(		a,
			b,
			c
	)		RPT_2( a, b, c), RPT_2( a, b, c)

Definition at line 723 of file hqxvlc.c.

#define RPT_8	(		a,
			b,
			c
	)		RPT_4( a, b, c), RPT_4( a, b, c)

Definition at line 724 of file hqxvlc.c.

#define RPT_16	(		a,
			b,
			c
	)		RPT_8( a, b, c), RPT_8( a, b, c)

Definition at line 725 of file hqxvlc.c.

#define RPT_32	(		a,
			b,
			c
	)		RPT_16( a, b, c), RPT_16( a, b, c)

Definition at line 726 of file hqxvlc.c.

#define RPT_64	(		a,
			b,
			c
	)		RPT_32( a, b, c), RPT_32( a, b, c)

Definition at line 727 of file hqxvlc.c.

#define RPT_128	(		a,
			b,
			c
	)		RPT_64( a, b, c), RPT_64( a, b, c)

Definition at line 728 of file hqxvlc.c.

#define RPT_256	(		a,
			b,
			c
	)		RPT_128(a, b, c), RPT_128(a, b, c)

Definition at line 729 of file hqxvlc.c.

#define RPT_512	(		a,
			b,
			c
	)		RPT_256(a, b, c), RPT_256(a, b, c)

Definition at line 730 of file hqxvlc.c.

#define RPT_1024	(		a,
			b,
			c
	)		RPT_512(a, b, c), RPT_512(a, b, c)

Definition at line 731 of file hqxvlc.c.

#define INIT_DC_TABLE	(		idx,
			name
	)

Value:

do {                                                                      \
        ret = init_vlc(&ctx->dc_vlc[idx], HQX_DC_VLC_BITS,                    \
                       FF_ARRAY_ELEMS(name ## _vlc_lens),                     \
                       name ## _vlc_lens, 1, 1,                               \
                       name ## _vlc_bits, 2, 2, 0);                           \
        if (ret < 0)                                                          \
            return ret;                                                       \
    } while (0)

Definition at line 2141 of file hqxvlc.c.

Referenced by ff_hqx_init_vlcs().

Function Documentation

av_cold int ff_hqx_init_vlcs

(

HQXContext *

ctx

)

Definition at line 2151 of file hqxvlc.c.

Referenced by hqx_decode_init().

Variable Documentation

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 23 of file hqxvlc.c.

Referenced by ff_hqx_init_vlcs().

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 28 of file hqxvlc.c.

Referenced by ff_hqx_init_vlcs().

const uint16_t dc9_vlc_bits[512]

static

Definition at line 32 of file hqxvlc.c.

const uint8_t dc9_vlc_lens[512]

static

Definition at line 99 of file hqxvlc.c.

const uint16_t dc10_vlc_bits[1024]

static

Definition at line 134 of file hqxvlc.c.

const uint8_t dc10_vlc_lens[1024]

static

Definition at line 265 of file hqxvlc.c.

const uint16_t dc11_vlc_bits[2048]

static

Definition at line 332 of file hqxvlc.c.

const uint8_t dc11_vlc_lens[2048]

static

Definition at line 591 of file hqxvlc.c.

const HQXLUT ac0_lut[]

static

Definition at line 733 of file hqxvlc.c.

const HQXLUT ac8_lut[]

static

Definition at line 1132 of file hqxvlc.c.

const HQXLUT ac16_lut[]

static

Definition at line 1580 of file hqxvlc.c.

const HQXLUT ac32_lut[]

static

Definition at line 1777 of file hqxvlc.c.

const HQXLUT ac64_lut[]

static

Definition at line 1925 of file hqxvlc.c.

const HQXLUT ac128_lut[]

static

Definition at line 2041 of file hqxvlc.c.

const HQXAC ff_hqx_ac[NUM_HQX_AC]

Initial value:

= {
    { 10, 5, ac0_lut   },
    { 11, 6, ac8_lut   },
    { 11, 6, ac16_lut  },
    { 11, 6, ac32_lut  },
    { 12, 5, ac64_lut  },
    { 11, 6, ac128_lut },
}

Definition at line 2132 of file hqxvlc.c.

Referenced by decode_block().