src/arithmetic_codec.c File Reference

#include <it/types.h>
#include <it/vec.h>
#include <it/arithmetic_codec.h>

Go to the source code of this file.

Functions
static void	write_bit (arithmetic_coder_t *arithmetic_coder, unsigned char bit)
static void	read_bit (arithmetic_decoder_t *arithmetic_decoder)
static void	renormalize_enc (arithmetic_coder_t *arithmetic_coder)
static void	renormalize_dec (arithmetic_decoder_t *arithmetic_decoder)
void	arithmetic_coder_start (arithmetic_coder_t *arithmetic_coder, bvec buffer)
int	arithmetic_coder_stop (arithmetic_coder_t *arithmetic_coder)
arithmetic_coder_t *	arithmetic_coder_new (int precision)
void	arithmetic_coder_delete (arithmetic_coder_t *arithmetic_coder)
void	arithmetic_coder_encode_bit (arithmetic_coder_t *arithmetic_coder, double prob_0, arithmetic_codec_bit_t bit)
void	arithmetic_decoder_start (arithmetic_decoder_t *arithmetic_decoder, bvec buffer)
int	arithmetic_decoder_stop (arithmetic_decoder_t *arithmetic_decoder)
arithmetic_decoder_t *	arithmetic_decoder_new (int precision)
void	arithmetic_decoder_delete (arithmetic_decoder_t *arithmetic_decoder)
arithmetic_codec_bit_t	arithmetic_decoder_decode_bit (arithmetic_decoder_t *arithmetic_decoder, double prob_0)
void	arithmetic_coder_encode_symbol (arithmetic_coder_t *arithmetic_coder, vec pdf, int symbol)
int	arithmetic_decoder_decode_symbol (arithmetic_decoder_t *arithmetic_decoder, vec pdf)

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Function Documentation

static void read_bit

(

arithmetic_decoder_t *

arithmetic_decoder

)

[static]

Definition at line 42 of file arithmetic_codec.c.

References _arithmetic_decoder_t_::precision, _arithmetic_decoder_t_::sequence, and _arithmetic_decoder_t_::value.

Referenced by arithmetic_decoder_stop(), and renormalize_dec().

static void renormalize_dec

(

arithmetic_decoder_t *

arithmetic_decoder

)

[static]

Definition at line 81 of file arithmetic_codec.c.

References _arithmetic_decoder_t_::lower, _arithmetic_decoder_t_::precision, _arithmetic_decoder_t_::range, read_bit(), and _arithmetic_decoder_t_::value.

Referenced by arithmetic_decoder_decode_bit().

static void renormalize_enc

(

arithmetic_coder_t *

arithmetic_coder

)

[static]

Definition at line 53 of file arithmetic_codec.c.

References _arithmetic_coder_t_::lower, _arithmetic_coder_t_::pending, _arithmetic_coder_t_::precision, _arithmetic_coder_t_::range, and write_bit().

Referenced by arithmetic_coder_encode_bit().

static void write_bit	(	arithmetic_coder_t *	arithmetic_coder,
		unsigned char	bit
	)			[static]

Definition at line 30 of file arithmetic_codec.c.

References _arithmetic_coder_t_::pending, and _arithmetic_coder_t_::sequence.

Referenced by arithmetic_coder_stop(), and renormalize_enc().