lzma_encoder.h File Reference

LZMA encoder API. More...

#include "common.h"

Go to the source code of this file.

Typedefs
typedef struct lzma_lzma1_encoder_s	lzma_lzma1_encoder

Functions
lzma_ret	lzma_lzma_encoder_init (lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters)
uint64_t	lzma_lzma_encoder_memusage (const void *options)
lzma_ret	lzma_lzma_props_encode (const void *options, uint8_t *out)
bool	lzma_lzma_lclppb_encode (const lzma_options_lzma *options, uint8_t *byte)
	Encodes lc/lp/pb into one byte. Returns false on success and true on error. More...

Detailed Description

LZMA encoder API.

Definition in file lzma_encoder.h.

Typedef Documentation

lzma_lzma1_encoder

typedef struct lzma_lzma1_encoder_s lzma_lzma1_encoder

Definition at line 1 of file lzma_encoder.h.

Function Documentation

lzma_lzma_encoder_init()

lzma_ret lzma_lzma_encoder_init	(	lzma_next_coder *	next,
		const lzma_allocator *	allocator,
		const lzma_filter_info *	filters
	)

Definition at line 619 of file lzma_encoder.c.

{
    return lzma_lz_encoder_init(
            next, allocator, filters, &lzma_encoder_init);
}

References allocator, filters, lzma_encoder_init(), and lzma_lz_encoder_init().

Referenced by alone_encoder_init().

lzma_lzma_encoder_memusage()

uint64_t lzma_lzma_encoder_memusage

(

const void *

options

)

Definition at line 628 of file lzma_encoder.c.

{
    if (!is_options_valid(options))
        return UINT64_MAX;
 
    lzma_lz_options lz_options;
    set_lz_options(&lz_options, options);
 
    const uint64_t lz_memusage = lzma_lz_encoder_memusage(&lz_options);
    if (lz_memusage == UINT64_MAX)
        return UINT64_MAX;
 
    return (uint64_t)(sizeof(lzma_lzma1_encoder)) + lz_memusage;
}

References is_options_valid(), lzma_lz_encoder_memusage(), options, set_lz_options(), and UINT64_MAX.

Referenced by lzma_lzma2_encoder_memusage().

lzma_lzma_lclppb_encode()

bool lzma_lzma_lclppb_encode	(	const lzma_options_lzma *	options,
		uint8_t *	byte
	)

Encodes lc/lp/pb into one byte. Returns false on success and true on error.

Definition at line 645 of file lzma_encoder.c.

{
    if (!is_lclppb_valid(options))
        return true;
 
    *byte = (options->pb * 5 + options->lp) * 9 + options->lc;
    assert(*byte <= (4 * 5 + 4) * 9 + 8);
 
    return false;
}

References assert(), is_lclppb_valid(), and options.

Referenced by alone_encoder_init(), and lzma2_header_lzma().

lzma_lzma_props_encode()

lzma_ret lzma_lzma_props_encode	(	const void *	options,
		uint8_t *	out
	)