pi.h File Reference

Implementation of a packet iterator (PI) More...

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Data Structures
struct	opj_pi_resolution
	FIXME DOC. More...
struct	opj_pi_comp
	FIXME DOC. More...
struct	opj_pi_iterator
	Packet iterator. More...

Typedefs
typedef struct opj_pi_resolution	opj_pi_resolution_t
	FIXME DOC. More...
typedef struct opj_pi_comp	opj_pi_comp_t
	FIXME DOC. More...
typedef struct opj_pi_iterator	opj_pi_iterator_t
	Packet iterator. More...

Functions
Exported functions
opj_pi_iterator_t *	opj_pi_initialise_encode (const opj_image_t *image, opj_cp_t *cp, OPJ_UINT32 tileno, J2K_T2_MODE t2_mode, opj_event_mgr_t *manager)
	Creates a packet iterator for encoding. More...
void	opj_pi_update_encoding_parameters (const opj_image_t *p_image, opj_cp_t *p_cp, OPJ_UINT32 p_tile_no)
	Updates the encoding parameters of the codec. More...
void	opj_pi_create_encode (opj_pi_iterator_t *pi, opj_cp_t *cp, OPJ_UINT32 tileno, OPJ_UINT32 pino, OPJ_UINT32 tpnum, OPJ_INT32 tppos, J2K_T2_MODE t2_mode)
	Modify the packet iterator for enabling tile part generation. More...
opj_pi_iterator_t *	opj_pi_create_decode (opj_image_t *image, opj_cp_t *cp, OPJ_UINT32 tileno, opj_event_mgr_t *manager)
	Create a packet iterator for Decoder. More...
void	opj_pi_destroy (opj_pi_iterator_t *p_pi, OPJ_UINT32 p_nb_elements)
	Destroys a packet iterator array. More...
OPJ_BOOL	opj_pi_next (opj_pi_iterator_t *pi)
	Modify the packet iterator to point to the next packet. More...
OPJ_UINT32	opj_get_encoding_packet_count (const opj_image_t *p_image, const opj_cp_t *p_cp, OPJ_UINT32 p_tile_no)
	Return the number of packets in the tile. More...

Detailed Description

Implementation of a packet iterator (PI)

The functions in PI.C have for goal to realize a packet iterator that permits to get the next packet following the progression order and change of it. The functions in PI.C are used by some function in T2.C.