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...

Local static functions
static OPJ_BOOL	opj_pi_next_lrcp (opj_pi_iterator_t *pi)
	Get next packet in layer-resolution-component-precinct order. More...

static OPJ_BOOL	opj_pi_next_rlcp (opj_pi_iterator_t *pi)
	Get next packet in resolution-layer-component-precinct order. More...

static OPJ_BOOL	opj_pi_next_rpcl (opj_pi_iterator_t *pi)
	Get next packet in resolution-precinct-component-layer order. More...

static OPJ_BOOL	opj_pi_next_pcrl (opj_pi_iterator_t *pi)
	Get next packet in precinct-component-resolution-layer order. More...

static OPJ_BOOL	opj_pi_next_cprl (opj_pi_iterator_t *pi)
	Get next packet in component-precinct-resolution-layer order. More...

static void	opj_pi_update_encode_poc_and_final (opj_cp_t *p_cp, OPJ_UINT32 p_tileno, OPJ_INT32 p_tx0, OPJ_INT32 p_tx1, OPJ_INT32 p_ty0, OPJ_INT32 p_ty1, OPJ_UINT32 p_max_prec, OPJ_UINT32 p_max_res, OPJ_UINT32 p_dx_min, OPJ_UINT32 p_dy_min)
	Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used). More...

static void	opj_pi_update_encode_not_poc (opj_cp_t *p_cp, OPJ_UINT32 p_num_comps, OPJ_UINT32 p_tileno, OPJ_INT32 p_tx0, OPJ_INT32 p_tx1, OPJ_INT32 p_ty0, OPJ_INT32 p_ty1, OPJ_UINT32 p_max_prec, OPJ_UINT32 p_max_res, OPJ_UINT32 p_dx_min, OPJ_UINT32 p_dy_min)
	Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used). More...

static void	opj_get_encoding_parameters (const opj_image_t p_image, const opj_cp_t p_cp, OPJ_UINT32 tileno, OPJ_INT32 p_tx0, OPJ_INT32 p_tx1, OPJ_INT32 p_ty0, OPJ_INT32 p_ty1, OPJ_UINT32 p_dx_min, OPJ_UINT32 p_dy_min, OPJ_UINT32 p_max_prec, OPJ_UINT32 p_max_res)
	Gets the encoding parameters needed to update the coding parameters and all the pocs. More...

static void	opj_get_all_encoding_parameters (const opj_image_t p_image, const opj_cp_t p_cp, OPJ_UINT32 tileno, OPJ_INT32 p_tx0, OPJ_INT32 p_tx1, OPJ_INT32 p_ty0, OPJ_INT32 p_ty1, OPJ_UINT32 p_dx_min, OPJ_UINT32 p_dy_min, OPJ_UINT32 p_max_prec, OPJ_UINT32 p_max_res, OPJ_UINT32 **p_resolutions)
	Gets the encoding parameters needed to update the coding parameters and all the pocs. More...

static opj_pi_iterator_t *	opj_pi_create (const opj_image_t p_image, const opj_cp_t p_cp, OPJ_UINT32 tileno)
	Allocates memory for a packet iterator. More...

static void	opj_pi_update_decode_not_poc (opj_pi_iterator_t p_pi, opj_tcp_t p_tcp, OPJ_UINT32 p_max_precision, OPJ_UINT32 p_max_res)
	FIXME DOC. More...

static void	opj_pi_update_decode_poc (opj_pi_iterator_t p_pi, opj_tcp_t p_tcp, OPJ_UINT32 p_max_precision, OPJ_UINT32 p_max_res)
	FIXME DOC. More...

static OPJ_BOOL	opj_pi_check_next_level (OPJ_INT32 pos, opj_cp_t cp, OPJ_UINT32 tileno, OPJ_UINT32 pino, const OPJ_CHAR prog)
	FIXME DOC. More...

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)
	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)
	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...

Detailed Description

Typedef Documentation

◆ opj_pi_comp_t

typedef struct opj_pi_comp opj_pi_comp_t

FIXME DOC.

◆ opj_pi_iterator_t

typedef struct opj_pi_iterator opj_pi_iterator_t

Packet iterator.

◆ opj_pi_resolution_t

typedef struct opj_pi_resolution opj_pi_resolution_t

FIXME DOC.

Function Documentation

◆ opj_get_all_encoding_parameters()

static void opj_get_all_encoding_parameters	(	const opj_image_t *	p_image,
		const opj_cp_t *	p_cp,
		OPJ_UINT32	tileno,
		OPJ_INT32 *	p_tx0,
		OPJ_INT32 *	p_tx1,
		OPJ_INT32 *	p_ty0,
		OPJ_INT32 *	p_ty1,
		OPJ_UINT32 *	p_dx_min,
		OPJ_UINT32 *	p_dy_min,
		OPJ_UINT32 *	p_max_prec,
		OPJ_UINT32 *	p_max_res,
		OPJ_UINT32 **	p_resolutions
	)

static

Gets the encoding parameters needed to update the coding parameters and all the pocs.

The precinct widths, heights, dx and dy for each component at each resolution will be stored as well. the last parameter of the function should be an array of pointers of size nb components, each pointer leading to an area of size 4 * max_res. The data is stored inside this area with the following pattern : dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...

Parameters

p_image	the image being encoded.
p_cp	the coding parameters.
tileno	the tile index of the tile being encoded.
p_tx0	pointer that will hold the X0 parameter for the tile
p_tx1	pointer that will hold the X1 parameter for the tile
p_ty0	pointer that will hold the Y0 parameter for the tile
p_ty1	pointer that will hold the Y1 parameter for the tile
p_max_prec	pointer that will hold the maximum precision for all the bands of the tile
p_max_res	pointer that will hold the maximum number of resolutions for all the poc inside the tile.
p_dx_min	pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
p_dy_min	pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
p_resolutions	pointer to an area corresponding to the one described above.

References opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, opj_image::numcomps, opj_tccp::numresolutions, opj_int_ceildiv(), opj_int_ceildivpow2(), opj_int_floordivpow2(), opj_int_min(), opj_uint_adds(), opj_uint_max(), opj_uint_min(), opj_tccp::prch, opj_tccp::prcw, opj_tcp::tccps, tcp, opj_cp::tcps, opj_cp::tdx, opj_cp::tdy, opj_cp::th, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_image::x0, opj_image::x1, opj_image::y0, and opj_image::y1.

Referenced by opj_pi_create_decode(), and opj_pi_initialise_encode().

◆ opj_get_encoding_parameters()

static void opj_get_encoding_parameters	(	const opj_image_t *	p_image,
		const opj_cp_t *	p_cp,
		OPJ_UINT32	tileno,
		OPJ_INT32 *	p_tx0,
		OPJ_INT32 *	p_tx1,
		OPJ_INT32 *	p_ty0,
		OPJ_INT32 *	p_ty1,
		OPJ_UINT32 *	p_dx_min,
		OPJ_UINT32 *	p_dy_min,
		OPJ_UINT32 *	p_max_prec,
		OPJ_UINT32 *	p_max_res
	)

static

Gets the encoding parameters needed to update the coding parameters and all the pocs.

Parameters

p_image	the image being encoded.
p_cp	the coding parameters.
tileno	the tile index of the tile being encoded.
p_tx0	pointer that will hold the X0 parameter for the tile
p_tx1	pointer that will hold the X1 parameter for the tile
p_ty0	pointer that will hold the Y0 parameter for the tile
p_ty1	pointer that will hold the Y1 parameter for the tile
p_max_prec	pointer that will hold the maximum precision for all the bands of the tile
p_max_res	pointer that will hold the maximum number of resolutions for all the poc inside the tile.
p_dx_min	pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
p_dy_min	pointer that will hold the minimum dy of all the components of all the resolutions for the tile.

References opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, opj_image::numcomps, opj_tccp::numresolutions, opj_int_ceildiv(), opj_int_ceildivpow2(), opj_int_floordivpow2(), opj_uint_adds(), opj_uint_max(), opj_uint_min(), opj_tccp::prch, opj_tccp::prcw, opj_tcp::tccps, opj_cp::tcps, opj_cp::tdx, opj_cp::tdy, opj_cp::th, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_image::x0, opj_image::x1, opj_image::y0, and opj_image::y1.

Referenced by opj_pi_update_encoding_parameters().

◆ opj_pi_check_next_level()

static OPJ_BOOL opj_pi_check_next_level	(	OPJ_INT32	pos,
		opj_cp_t *	cp,
		OPJ_UINT32	tileno,
		OPJ_UINT32	pino,
		const OPJ_CHAR *	prog
	)

static

FIXME DOC.

References opj_poc::comp_t, opj_poc::compE, opj_poc::lay_t, opj_poc::layE, OPJ_FALSE, OPJ_LRCP, OPJ_RLCP, OPJ_TRUE, opj_tcp::pocs, opj_poc::prc_t, opj_poc::prcE, opj_poc::prg, opj_poc::res_t, opj_poc::resE, tcp, opj_cp::tcps, opj_poc::tx0_t, opj_poc::txE, opj_poc::ty0_t, and opj_poc::tyE.

Referenced by opj_pi_create_encode().

◆ opj_pi_create()

static opj_pi_iterator_t * opj_pi_create	(	const opj_image_t *	p_image,
		const opj_cp_t *	p_cp,
		OPJ_UINT32	tileno
	)

static

Allocates memory for a packet iterator.

Data and data sizes are set by this operation. No other data is set. The include section of the packet iterator is not allocated.

Parameters

p_image	the image used to initialize the packet iterator (in fact only the number of components is relevant.
p_cp	the coding parameters.
tileno	the index of the tile from which creating the packet iterator.

References opj_pi_iterator::comps, opj_pi_iterator::numcomps, opj_image::numcomps, opj_tcp::numpocs, opj_pi_comp::numresolutions, opj_tccp::numresolutions, opj_calloc(), opj_pi_destroy(), opj_pi_comp::resolutions, opj_tcp::tccps, tcp, opj_cp::tcps, and opj_cp::th.

Referenced by opj_pi_create_decode(), and opj_pi_initialise_encode().

◆ opj_pi_create_decode()

opj_pi_iterator_t* opj_pi_create_decode	(	opj_image_t *	image,
		opj_cp_t *	cp,
		OPJ_UINT32	tileno
	)

Create a packet iterator for Decoder.

Parameters

image	Raw image for which the packets will be listed
cp	Coding parameters
tileno	Number that identifies the tile for which to list the packets

Returns: Returns a packet iterator that points to the first packet of the tile

See also: opj_pi_destroy

References opj_pi_iterator::comps, opj_image::comps, opj_pi_comp::dx, opj_image_comp::dx, opj_pi_comp::dy, opj_image_comp::dy, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_image::numcomps, opj_tcp::numlayers, opj_tcp::numpocs, opj_pi_comp::numresolutions, opj_calloc(), opj_free(), opj_get_all_encoding_parameters(), OPJ_J2K_MAXRLVLS, opj_malloc(), opj_pi_create(), opj_pi_destroy(), opj_pi_update_decode_not_poc(), opj_pi_update_decode_poc(), opj_pi_resolution::pdx, opj_pi_resolution::pdy, opj_pi_resolution::ph, opj_tcp::POC, opj_pi_resolution::pw, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, opj_tcp::tccps, opj_cp::tcps, opj_cp::th, opj_pi_iterator::tx0, opj_pi_iterator::tx1, opj_pi_iterator::ty0, and opj_pi_iterator::ty1.

Referenced by opj_t2_decode_packets().

◆ opj_pi_create_encode()

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.

Parameters

pi	Handle to the packet iterator generated in pi_initialise_encode
cp	Coding parameters
tileno	Number that identifies the tile for which to list the packets
pino	FIXME DOC
tpnum	Tile part number of the current tile
tppos	The position of the tile part flag in the progression order
t2_mode	FIXME DOC

References opj_poc::comp_t, opj_poc::compE, opj_poc::compno0, opj_poc::compno1, opj_poc::compS, opj_poc::dx, opj_poc::dy, FINAL_PASS, opj_pi_iterator::first, opj_poc::lay_t, opj_poc::layE, opj_poc::layno0, opj_poc::layno1, opj_poc::layS, opj_cp::m_enc, opj_cp::m_specific_param, opj_encoding_param::m_tp_on, OPJ_IS_CINEMA, opj_j2k_convert_progression_order(), OPJ_LRCP, opj_pi_check_next_level(), OPJ_RLCP, opj_pi_iterator::poc, opj_tcp::pocs, opj_poc::prc_t, opj_poc::prcE, opj_poc::prcS, opj_poc::precno0, opj_poc::precno1, opj_poc::prg, opj_poc::res_t, opj_poc::resE, opj_poc::resno0, opj_poc::resno1, opj_poc::resS, opj_cp::rsiz, tcp, opj_cp::tcps, opj_poc::tx0, opj_poc::tx0_t, opj_pi_iterator::tx1, opj_poc::tx1, opj_poc::txE, opj_poc::txS, opj_poc::ty0, opj_poc::ty0_t, opj_pi_iterator::ty1, opj_poc::ty1, opj_poc::tyE, and opj_poc::tyS.

Referenced by opj_t2_encode_packets().

◆ opj_pi_destroy()

void opj_pi_destroy	(	opj_pi_iterator_t *	p_pi,
		OPJ_UINT32	p_nb_elements
	)

Destroys a packet iterator array.

Parameters

p_pi	the packet iterator array to destroy.
p_nb_elements	the number of elements in the array.

References opj_pi_iterator::comps, opj_pi_iterator::include, opj_pi_iterator::numcomps, opj_free(), and opj_pi_comp::resolutions.

Referenced by opj_pi_create(), opj_pi_create_decode(), opj_pi_initialise_encode(), opj_t2_decode_packets(), and opj_t2_encode_packets().

◆ opj_pi_initialise_encode()

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
	)

Creates a packet iterator for encoding.

Parameters

image	the image being encoded.
cp	the coding parameters.
tileno	index of the tile being encoded.
t2_mode	the type of pass for generating the packet iterator

Returns: a list of packet iterator that points to the first packet of the tile (not true).

References opj_pi_iterator::comps, opj_image::comps, opj_pi_comp::dx, opj_pi_iterator::dx, opj_image_comp::dx, opj_pi_comp::dy, opj_pi_iterator::dy, opj_image_comp::dy, FINAL_PASS, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_cp::m_enc, opj_cp::m_specific_param, opj_encoding_param::m_tp_on, opj_image::numcomps, opj_tcp::numlayers, opj_tcp::numpocs, opj_pi_comp::numresolutions, opj_calloc(), opj_free(), opj_get_all_encoding_parameters(), OPJ_IS_CINEMA, OPJ_J2K_MAXRLVLS, opj_malloc(), opj_pi_create(), opj_pi_destroy(), opj_pi_update_encode_not_poc(), opj_pi_update_encode_poc_and_final(), opj_pi_resolution::pdx, opj_pi_resolution::pdy, opj_pi_resolution::ph, opj_tcp::POC, opj_pi_resolution::pw, opj_pi_comp::resolutions, opj_cp::rsiz, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, opj_tcp::tccps, opj_cp::tcps, opj_cp::th, opj_pi_iterator::tp_on, opj_pi_iterator::tx0, opj_pi_iterator::tx1, opj_pi_iterator::ty0, and opj_pi_iterator::ty1.

Referenced by opj_t2_encode_packets().

◆ opj_pi_next()

OPJ_BOOL opj_pi_next ( opj_pi_iterator_t * pi )

Modify the packet iterator to point to the next packet.

Parameters

pi	Packet iterator to modify

Returns: Returns false if pi pointed to the last packet or else returns true

References OPJ_CPRL, OPJ_FALSE, OPJ_LRCP, OPJ_PCRL, opj_pi_next_cprl(), opj_pi_next_lrcp(), opj_pi_next_pcrl(), opj_pi_next_rlcp(), opj_pi_next_rpcl(), OPJ_PROG_UNKNOWN, OPJ_RLCP, OPJ_RPCL, opj_pi_iterator::poc, and opj_poc::prg.

Referenced by opj_t2_decode_packets(), and opj_t2_encode_packets().

◆ opj_pi_next_cprl()

static OPJ_BOOL opj_pi_next_cprl ( opj_pi_iterator_t * pi )

static

Get next packet in component-precinct-resolution-layer order.

Parameters

pi	packet iterator to modify

Returns: returns false if pi pointed to the last packet or else returns true

References opj_pi_iterator::compno, opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::comps, opj_pi_comp::dx, opj_pi_iterator::dx, opj_pi_comp::dy, opj_pi_iterator::dy, opj_pi_iterator::first, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_pi_iterator::layno, opj_poc::layno0, opj_poc::layno1, opj_pi_comp::numresolutions, OPJ_FALSE, opj_int_ceildiv(), opj_int_floordivpow2(), opj_pi_emit_error(), OPJ_TRUE, opj_uint_min(), opj_pi_resolution::pdx, opj_pi_resolution::pdy, opj_pi_resolution::ph, opj_pi_iterator::poc, opj_pi_iterator::precno, opj_pi_resolution::pw, opj_pi_iterator::resno, opj_poc::resno0, opj_poc::resno1, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, opj_pi_iterator::tp_on, opj_pi_iterator::tx0, opj_poc::tx0, opj_pi_iterator::tx1, opj_poc::tx1, opj_pi_iterator::ty0, opj_poc::ty0, opj_pi_iterator::ty1, opj_poc::ty1, opj_pi_iterator::x, and opj_pi_iterator::y.

Referenced by opj_pi_next().

◆ opj_pi_next_lrcp()

static OPJ_BOOL opj_pi_next_lrcp ( opj_pi_iterator_t * pi )

static

Get next packet in layer-resolution-component-precinct order.

Parameters

pi	packet iterator to modify

Returns: returns false if pi pointed to the last packet or else returns true

References opj_pi_iterator::compno, opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::comps, opj_pi_iterator::first, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_pi_iterator::layno, opj_poc::layno0, opj_poc::layno1, opj_pi_comp::numresolutions, OPJ_FALSE, opj_pi_emit_error(), OPJ_TRUE, opj_pi_resolution::ph, opj_pi_iterator::poc, opj_pi_iterator::precno, opj_poc::precno0, opj_poc::precno1, opj_pi_resolution::pw, opj_pi_iterator::resno, opj_poc::resno0, opj_poc::resno1, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, and opj_pi_iterator::tp_on.

Referenced by opj_pi_next().

◆ opj_pi_next_pcrl()

static OPJ_BOOL opj_pi_next_pcrl ( opj_pi_iterator_t * pi )

static

Get next packet in precinct-component-resolution-layer order.

Parameters

pi	packet iterator to modify

Returns: returns false if pi pointed to the last packet or else returns true

References opj_pi_iterator::compno, opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::comps, opj_pi_comp::dx, opj_pi_iterator::dx, opj_pi_comp::dy, opj_pi_iterator::dy, opj_pi_iterator::first, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_pi_iterator::layno, opj_poc::layno0, opj_poc::layno1, opj_pi_iterator::numcomps, opj_pi_comp::numresolutions, OPJ_FALSE, opj_int_ceildiv(), opj_int_floordivpow2(), opj_pi_emit_error(), OPJ_TRUE, opj_uint_min(), opj_pi_resolution::pdx, opj_pi_resolution::pdy, opj_pi_resolution::ph, opj_pi_iterator::poc, opj_pi_iterator::precno, opj_pi_resolution::pw, opj_pi_iterator::resno, opj_poc::resno0, opj_poc::resno1, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, opj_pi_iterator::tp_on, opj_pi_iterator::tx0, opj_poc::tx0, opj_pi_iterator::tx1, opj_poc::tx1, opj_pi_iterator::ty0, opj_poc::ty0, opj_pi_iterator::ty1, opj_poc::ty1, opj_pi_iterator::x, and opj_pi_iterator::y.

Referenced by opj_pi_next().

◆ opj_pi_next_rlcp()

static OPJ_BOOL opj_pi_next_rlcp ( opj_pi_iterator_t * pi )

static

Get next packet in resolution-layer-component-precinct order.

Parameters

pi	packet iterator to modify

Returns: returns false if pi pointed to the last packet or else returns true

References opj_pi_iterator::compno, opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::comps, opj_pi_iterator::first, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_pi_iterator::layno, opj_poc::layno0, opj_poc::layno1, opj_pi_comp::numresolutions, OPJ_FALSE, opj_pi_emit_error(), OPJ_TRUE, opj_pi_resolution::ph, opj_pi_iterator::poc, opj_pi_iterator::precno, opj_poc::precno0, opj_poc::precno1, opj_pi_resolution::pw, opj_pi_iterator::resno, opj_poc::resno0, opj_poc::resno1, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, and opj_pi_iterator::tp_on.

Referenced by opj_pi_next().

◆ opj_pi_next_rpcl()

static OPJ_BOOL opj_pi_next_rpcl ( opj_pi_iterator_t * pi )

static

Get next packet in resolution-precinct-component-layer order.

Parameters

pi	packet iterator to modify

Returns: returns false if pi pointed to the last packet or else returns true

References opj_pi_iterator::compno, opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::comps, opj_pi_comp::dx, opj_pi_iterator::dx, opj_pi_comp::dy, opj_pi_iterator::dy, opj_pi_iterator::first, opj_pi_iterator::include, opj_pi_iterator::include_size, opj_pi_iterator::layno, opj_poc::layno0, opj_poc::layno1, opj_pi_iterator::numcomps, opj_pi_comp::numresolutions, OPJ_FALSE, opj_int_ceildiv(), opj_int_floordivpow2(), opj_pi_emit_error(), OPJ_TRUE, opj_uint_min(), opj_pi_resolution::pdx, opj_pi_resolution::pdy, opj_pi_resolution::ph, opj_pi_iterator::poc, opj_pi_iterator::precno, opj_pi_resolution::pw, opj_pi_iterator::resno, opj_poc::resno0, opj_poc::resno1, opj_pi_comp::resolutions, opj_pi_iterator::step_c, opj_pi_iterator::step_l, opj_pi_iterator::step_p, opj_pi_iterator::step_r, opj_pi_iterator::tp_on, opj_pi_iterator::tx0, opj_poc::tx0, opj_pi_iterator::tx1, opj_poc::tx1, opj_pi_iterator::ty0, opj_poc::ty0, opj_pi_iterator::ty1, opj_poc::ty1, opj_pi_iterator::x, and opj_pi_iterator::y.

Referenced by opj_pi_next().

◆ opj_pi_update_decode_not_poc()

static void opj_pi_update_decode_not_poc	(	opj_pi_iterator_t *	p_pi,
		opj_tcp_t *	p_tcp,
		OPJ_UINT32	p_max_precision,
		OPJ_UINT32	p_max_res
	)

static

FIXME DOC.

References opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::first, opj_poc::layno0, opj_poc::layno1, opj_pi_iterator::numcomps, opj_tcp::numlayers, opj_tcp::numpocs, opj_pi_iterator::poc, opj_poc::precno0, opj_poc::precno1, opj_tcp::prg, opj_poc::prg, opj_poc::resno0, and opj_poc::resno1.

Referenced by opj_pi_create_decode().

◆ opj_pi_update_decode_poc()

static void opj_pi_update_decode_poc	(	opj_pi_iterator_t *	p_pi,
		opj_tcp_t *	p_tcp,
		OPJ_UINT32	p_max_precision,
		OPJ_UINT32	p_max_res
	)

static

FIXME DOC.

References opj_poc::compno0, opj_poc::compno1, opj_pi_iterator::first, opj_poc::layno0, opj_poc::layno1, opj_tcp::numlayers, opj_tcp::numpocs, OPJ_ARG_NOT_USED, opj_uint_min(), opj_pi_iterator::poc, opj_tcp::pocs, opj_poc::precno0, opj_poc::precno1, opj_poc::prg, opj_poc::resno0, and opj_poc::resno1.

Referenced by opj_pi_create_decode().

◆ opj_pi_update_encode_not_poc()

static void opj_pi_update_encode_not_poc	(	opj_cp_t *	p_cp,
		OPJ_UINT32	p_num_comps,
		OPJ_UINT32	p_tileno,
		OPJ_INT32	p_tx0,
		OPJ_INT32	p_tx1,
		OPJ_INT32	p_ty0,
		OPJ_INT32	p_ty1,
		OPJ_UINT32	p_max_prec,
		OPJ_UINT32	p_max_res,
		OPJ_UINT32	p_dx_min,
		OPJ_UINT32	p_dy_min
	)

static

Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).

Parameters

p_cp	the coding parameters to modify
p_num_comps	the number of components
p_tileno	the tile index being concerned.
p_tx0	X0 parameter for the tile
p_tx1	X1 parameter for the tile
p_ty0	Y0 parameter for the tile
p_ty1	Y1 parameter for the tile
p_max_prec	the maximum precision for all the bands of the tile
p_max_res	the maximum number of resolutions for all the poc inside the tile.
p_dx_min	the minimum dx of all the components of all the resolutions for the tile.
p_dy_min	the minimum dy of all the components of all the resolutions for the tile.

References opj_poc::compE, opj_poc::compS, opj_poc::dx, opj_poc::dy, opj_poc::layE, opj_poc::layS, opj_tcp::numlayers, opj_tcp::numpocs, opj_tcp::pocs, opj_poc::prcE, opj_poc::prcS, opj_tcp::prg, opj_poc::prg, opj_poc::resE, opj_poc::resS, opj_cp::tcps, opj_cp::th, opj_poc::txE, opj_poc::txS, opj_poc::tyE, and opj_poc::tyS.

Referenced by opj_pi_initialise_encode(), and opj_pi_update_encoding_parameters().

◆ opj_pi_update_encode_poc_and_final()

static void opj_pi_update_encode_poc_and_final	(	opj_cp_t *	p_cp,
		OPJ_UINT32	p_tileno,
		OPJ_INT32	p_tx0,
		OPJ_INT32	p_tx1,
		OPJ_INT32	p_ty0,
		OPJ_INT32	p_ty1,
		OPJ_UINT32	p_max_prec,
		OPJ_UINT32	p_max_res,
		OPJ_UINT32	p_dx_min,
		OPJ_UINT32	p_dy_min
	)

static

Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).

Parameters

p_cp	the coding parameters to modify
p_tileno	the tile index being concerned.
p_tx0	X0 parameter for the tile
p_tx1	X1 parameter for the tile
p_ty0	Y0 parameter for the tile
p_ty1	Y1 parameter for the tile
p_max_prec	the maximum precision for all the bands of the tile
p_max_res	the maximum number of resolutions for all the poc inside the tile.
p_dx_min	the minimum dx of all the components of all the resolutions for the tile.
p_dy_min	the minimum dy of all the components of all the resolutions for the tile.

References opj_poc::compE, opj_poc::compno0, opj_poc::compno1, opj_poc::compS, opj_poc::dx, opj_poc::dy, opj_poc::layE, opj_poc::layno1, opj_poc::layS, opj_tcp::numpocs, OPJ_ARG_NOT_USED, opj_tcp::pocs, opj_poc::prcE, opj_poc::prcS, opj_poc::prg, opj_poc::prg1, opj_poc::resE, opj_poc::resno0, opj_poc::resno1, opj_poc::resS, opj_cp::tcps, opj_cp::th, opj_poc::txE, opj_poc::txS, opj_poc::tyE, and opj_poc::tyS.

Referenced by opj_pi_initialise_encode(), and opj_pi_update_encoding_parameters().

◆ opj_pi_update_encoding_parameters()

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.

Parameters

p_image	the image being encoded.
p_cp	the coding parameters.
p_tile_no	index of the tile being encoded.

References opj_image::numcomps, opj_get_encoding_parameters(), opj_pi_update_encode_not_poc(), opj_pi_update_encode_poc_and_final(), opj_tcp::POC, opj_cp::tcps, and opj_cp::th.

Referenced by opj_j2k_calculate_tp().

Data Structures

Typedefs

Local static functions

Exported functions

Detailed Description

Typedef Documentation

◆ opj_pi_comp_t

◆ opj_pi_iterator_t

◆ opj_pi_resolution_t

Function Documentation

◆ opj_get_all_encoding_parameters()

◆ opj_get_encoding_parameters()

◆ opj_pi_check_next_level()

◆ opj_pi_create()

◆ opj_pi_create_decode()

◆ opj_pi_create_encode()

◆ opj_pi_destroy()

◆ opj_pi_initialise_encode()

◆ opj_pi_next()

◆ opj_pi_next_cprl()

◆ opj_pi_next_lrcp()

◆ opj_pi_next_pcrl()

◆ opj_pi_next_rlcp()

◆ opj_pi_next_rpcl()

◆ opj_pi_update_decode_not_poc()

◆ opj_pi_update_decode_poc()

◆ opj_pi_update_encode_not_poc()

◆ opj_pi_update_encode_poc_and_final()

◆ opj_pi_update_encoding_parameters()