ra8_jpeg_htab_t Struct Reference

Decoded Huffman table – 256 entries indexed by symbol order. More...

#include <ra8_jpeg_sw_internal.h>

Data Fields
uint8_t	bits [k_ra8_jpeg_huff_lengths]
	BITS list.
uint8_t	vals [k_ra8_jpeg_huff_max]
	Symbol order.
uint16_t	huffcode [k_ra8_jpeg_huff_max]
	Code per symbol.
uint8_t	huffsize [k_ra8_jpeg_huff_max]
	Code length.
int32_t	mincode [k_ra8_jpeg_huff_lengths]
	Mincode.
int32_t	maxcode [k_ra8_jpeg_huff_lengths]
	Maxcode.
uint16_t	valptr [k_ra8_jpeg_huff_lengths]
	Valptr.
uint16_t	total
	Total.

Detailed Description

Decoded Huffman table – 256 entries indexed by symbol order.

Stores the canonical Huffman code for each symbol and the mincode/maxcode arrays from T.81 Annex C/F that drive the symbol lookup.

Definition at line 385 of file ra8_jpeg_sw_internal.h.

Field Documentation

bits

uint8_t ra8_jpeg_htab_t::bits[k_ra8_jpeg_huff_lengths]

BITS list.

Definition at line 386 of file ra8_jpeg_sw_internal.h.

Referenced by internal_dec_parse_dht_one(), internal_htab_build_lookup(), and priv_jpeg_sw_htab_build().

huffcode

uint16_t ra8_jpeg_htab_t::huffcode[k_ra8_jpeg_huff_max]

Code per symbol.

Definition at line 388 of file ra8_jpeg_sw_internal.h.

Referenced by internal_htab_build_lookup(), and priv_jpeg_sw_htab_build().

huffsize

uint8_t ra8_jpeg_htab_t::huffsize[k_ra8_jpeg_huff_max]

Code length.

Definition at line 389 of file ra8_jpeg_sw_internal.h.

Referenced by priv_jpeg_sw_htab_build().

maxcode

int32_t ra8_jpeg_htab_t::maxcode[k_ra8_jpeg_huff_lengths]

Maxcode.

Definition at line 391 of file ra8_jpeg_sw_internal.h.

Referenced by internal_htab_build_lookup().

mincode

int32_t ra8_jpeg_htab_t::mincode[k_ra8_jpeg_huff_lengths]

Mincode.

Definition at line 390 of file ra8_jpeg_sw_internal.h.

Referenced by internal_htab_build_lookup(), and priv_jpeg_sw_htab_decode().

total

uint16_t ra8_jpeg_htab_t::total

Total.

Definition at line 393 of file ra8_jpeg_sw_internal.h.

Referenced by priv_jpeg_sw_htab_build(), and priv_jpeg_sw_htab_decode().

valptr

uint16_t ra8_jpeg_htab_t::valptr[k_ra8_jpeg_huff_lengths]

Valptr.

Definition at line 392 of file ra8_jpeg_sw_internal.h.

Referenced by internal_htab_build_lookup(), and priv_jpeg_sw_htab_decode().

vals

uint8_t ra8_jpeg_htab_t::vals[k_ra8_jpeg_huff_max]

Symbol order.

Definition at line 387 of file ra8_jpeg_sw_internal.h.

Referenced by internal_dec_parse_dht_one(), and priv_jpeg_sw_htab_decode().

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The documentation for this struct was generated from the following file:

• libs/ra8_jpeg/src/ra8_jpeg_sw_internal.h