OpenJPEG
2.1.2
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Implementation of an MQ-Coder (MQC)
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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 | opj_mqc_setcurctx(mqc, ctxno) (mqc)->curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)] |
Set the current context used for coding/decoding More... | |
opj_mqc_t * | opj_mqc_create (void) |
Create a new MQC handle More... | |
void | opj_mqc_destroy (opj_mqc_t *mqc) |
Destroy a previously created MQC handle 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_encode (opj_mqc_t *mqc, OPJ_UINT32 d) |
Encode a symbol using the MQ-coder 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... | |
void | opj_mqc_bypass_enc (opj_mqc_t *mqc, OPJ_UINT32 d) |
BYPASS mode switch, coding operation. More... | |
OPJ_UINT32 | opj_mqc_bypass_flush_enc (opj_mqc_t *mqc) |
BYPASS mode switch, flush operation More... | |
void | opj_mqc_reset_enc (opj_mqc_t *mqc) |
RESET mode switch More... | |
OPJ_UINT32 | opj_mqc_restart_enc (opj_mqc_t *mqc) |
RESTART mode switch (TERMALL) 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... | |
OPJ_BOOL | opj_mqc_init_dec (opj_mqc_t *mqc, OPJ_BYTE *bp, OPJ_UINT32 len) |
Initialize the decoder More... | |
OPJ_INT32 | opj_mqc_decode (opj_mqc_t *const mqc) |
Decode a symbol More... | |