mqc.h File Reference

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

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

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	mqc_setcurctx(mqc, ctxno)   (mqc)->curctx = &(mqc)->ctxs[(int)(ctxno)]
	Set the current context used for coding/decoding. More...
opj_mqc_t *	mqc_create (void)
	Create a new MQC handle. More...
void	mqc_destroy (opj_mqc_t *mqc)
	Destroy a previously created MQC handle. More...
int	mqc_numbytes (opj_mqc_t *mqc)
	Return the number of bytes written/read since initialisation. More...
void	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	mqc_setstate (opj_mqc_t *mqc, int ctxno, int msb, int prob)
	Set the state of a particular context. More...
void	mqc_init_enc (opj_mqc_t *mqc, unsigned char *bp)
	Initialize the encoder. More...
void	mqc_encode (opj_mqc_t *mqc, int d)
	Encode a symbol using the MQ-coder. More...
void	mqc_flush (opj_mqc_t *mqc)
	Flush the encoder, so that all remaining data is written. More...
void	mqc_bypass_init_enc (opj_mqc_t *mqc)
	BYPASS mode switch, initialization operation. More...
void	mqc_bypass_enc (opj_mqc_t *mqc, int d)
	BYPASS mode switch, coding operation. More...
int	mqc_bypass_flush_enc (opj_mqc_t *mqc)
	BYPASS mode switch, flush operation. More...
void	mqc_reset_enc (opj_mqc_t *mqc)
	RESET mode switch. More...
int	mqc_restart_enc (opj_mqc_t *mqc)
	RESTART mode switch (TERMALL) More...
void	mqc_restart_init_enc (opj_mqc_t *mqc)
	RESTART mode switch (TERMALL) reinitialisation. More...
void	mqc_erterm_enc (opj_mqc_t *mqc)
	ERTERM mode switch (PTERM) More...
void	mqc_segmark_enc (opj_mqc_t *mqc)
	SEGMARK mode switch (SEGSYM) More...
void	mqc_init_dec (opj_mqc_t *mqc, unsigned char *bp, int len)
	Initialize the decoder. More...
int	mqc_decode (opj_mqc_t *const mqc)
	Decode a symbol. 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.