mqc.h File Reference

Implementation of an MQ-Coder (MQC) More...

#include "opj_common.h"
#include "mqc_inl.h"

Go to the source code of this file.

Data Structures
struct	opj_mqc_state
	This struct defines the state of a context. More...
struct	opj_mqc
	MQ coder. More...

Macros
#define	MQC_NUMCTXS   19
#define	BYPASS_CT_INIT   0xDEADBEEF

Typedefs
typedef struct opj_mqc_state	opj_mqc_state_t
	This struct defines the state of a context. More...
typedef struct opj_mqc	opj_mqc_t
	MQ coder. More...

Exported functions
#define	opj_mqc_setcurctx(mqc, ctxno)   (mqc)->curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
	Set the current context used for coding/decoding. More...
OPJ_UINT32	opj_mqc_numbytes (opj_mqc_t *mqc)
	Return the number of bytes written/read since initialisation. More...
void	opj_mqc_resetstates (opj_mqc_t *mqc)
	Reset the states of all the context of the coder/decoder (each context is set to a state where 0 and 1 are more or less equiprobable) More...
void	opj_mqc_setstate (opj_mqc_t *mqc, OPJ_UINT32 ctxno, OPJ_UINT32 msb, OPJ_INT32 prob)
	Set the state of a particular context. More...
void	opj_mqc_init_enc (opj_mqc_t *mqc, OPJ_BYTE *bp)
	Initialize the encoder. More...
void	opj_mqc_flush (opj_mqc_t *mqc)
	Flush the encoder, so that all remaining data is written. More...
void	opj_mqc_bypass_init_enc (opj_mqc_t *mqc)
	BYPASS mode switch, initialization operation. More...
OPJ_UINT32	opj_mqc_bypass_get_extra_bytes (opj_mqc_t *mqc, OPJ_BOOL erterm)
	Return number of extra bytes to add to opj_mqc_numbytes() for the² size of a non-terminating BYPASS pass. More...
void	opj_mqc_bypass_enc (opj_mqc_t *mqc, OPJ_UINT32 d)
	BYPASS mode switch, coding operation. More...
void	opj_mqc_bypass_flush_enc (opj_mqc_t *mqc, OPJ_BOOL erterm)
	BYPASS mode switch, flush operation. More...
void	opj_mqc_reset_enc (opj_mqc_t *mqc)
	RESET mode switch. More...
void	opj_mqc_restart_init_enc (opj_mqc_t *mqc)
	RESTART mode switch (TERMALL) reinitialisation. More...
void	opj_mqc_erterm_enc (opj_mqc_t *mqc)
	ERTERM mode switch (PTERM) More...
void	opj_mqc_segmark_enc (opj_mqc_t *mqc)
	SEGMARK mode switch (SEGSYM) More...
void	opj_mqc_init_dec (opj_mqc_t *mqc, OPJ_BYTE *bp, OPJ_UINT32 len, OPJ_UINT32 extra_writable_bytes)
	Initialize the decoder for MQ decoding. More...
void	opj_mqc_raw_init_dec (opj_mqc_t *mqc, OPJ_BYTE *bp, OPJ_UINT32 len, OPJ_UINT32 extra_writable_bytes)
	Initialize the decoder for RAW decoding. More...
void	opq_mqc_finish_dec (opj_mqc_t *mqc)
	Terminate RAW/MQC decoding. More...

Detailed Description

Implementation of an MQ-Coder (MQC)

The functions in MQC.C have for goal to realize the MQ-coder operations. The functions in MQC.C are used by some function in T1.C.