/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
Packet iterator
*/
typedef struct opj_pi_iterator {
- /** precise if the packet has been already used (usefull for progression order change) */
- short int *include;
- /** layer step used to localize the packet in the include vector */
- int step_l;
- /** resolution step used to localize the packet in the include vector */
- int step_r;
- /** component step used to localize the packet in the include vector */
- int step_c;
- /** precinct step used to localize the packet in the include vector */
- int step_p;
- /** component that identify the packet */
- int compno;
- /** resolution that identify the packet */
- int resno;
- /** precinct that identify the packet */
- int precno;
- /** layer that identify the packet */
- int layno;
- /** 0 if the first packet */
- int first;
- /** progression order change information */
- opj_poc_t poc;
- /** */
- int numcomps;
- /** */
- opj_pi_comp_t *comps;
- int tx0, ty0, tx1, ty1;
- int x, y, dx, dy;
+ /** Enabling Tile part generation*/
+ char tp_on;
+ /** precise if the packet has been already used (usefull for progression order change) */
+ short int *include;
+ /** layer step used to localize the packet in the include vector */
+ int step_l;
+ /** resolution step used to localize the packet in the include vector */
+ int step_r;
+ /** component step used to localize the packet in the include vector */
+ int step_c;
+ /** precinct step used to localize the packet in the include vector */
+ int step_p;
+ /** component that identify the packet */
+ int compno;
+ /** resolution that identify the packet */
+ int resno;
+ /** precinct that identify the packet */
+ int precno;
+ /** layer that identify the packet */
+ int layno;
+ /** 0 if the first packet */
+ int first;
+ /** progression order change information */
+ opj_poc_t poc;
+ /** number of components in the image */
+ int numcomps;
+ /** Components*/
+ opj_pi_comp_t *comps;
+ int tx0, ty0, tx1, ty1;
+ int x, y, dx, dy;
} opj_pi_iterator_t;
-/** @name Local static functions */
+/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */
/**
-Get next packet in layer-resolution-component-precinct order.
-@param pi packet iterator to modify
-@return returns false if pi pointed to the last packet or else returns true
-*/
-static bool pi_next_lrcp(opj_pi_iterator_t * pi);
-/**
-Get next packet in resolution-layer-component-precinct order.
-@param pi packet iterator to modify
-@return returns false if pi pointed to the last packet or else returns true
-*/
-static bool pi_next_rlcp(opj_pi_iterator_t * pi);
-/**
-Get next packet in resolution-precinct-component-layer order.
-@param pi packet iterator to modify
-@return returns false if pi pointed to the last packet or else returns true
-*/
-static bool pi_next_rpcl(opj_pi_iterator_t * pi);
-/**
-Get next packet in precinct-component-resolution-layer order.
-@param pi packet iterator to modify
-@return returns false if pi pointed to the last packet or else returns true
+Create a packet iterator for Encoder
+@param image Raw image for which the packets will be listed
+@param cp Coding parameters
+@param tileno Number that identifies the tile for which to list the packets
+@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
+@return Returns a packet iterator that points to the first packet of the tile
+@see pi_destroy
*/
-static bool pi_next_pcrl(opj_pi_iterator_t * pi);
+opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno,J2K_T2_MODE t2_mode);
/**
-Get next packet in component-precinct-resolution-layer order.
-@param pi packet iterator to modify
-@return returns false if pi pointed to the last packet or else returns true
+Modify the packet iterator for enabling tile part generation
+@param pi Handle to the packet iterator generated in pi_initialise_encode
+@param cp Coding parameters
+@param tileno Number that identifies the tile for which to list the packets
+@param pino Iterator index for pi
+@param tpnum Tile part number of the current tile
+@param tppos The position of the tile part flag in the progression order
+@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
+@param cur_totnum_tp The total number of tile parts in the current tile
+@return Returns true if an error is detected
*/
-static bool pi_next_cprl(opj_pi_iterator_t * pi);
-/* ----------------------------------------------------------------------- */
-/*@}*/
-
-/** @name Exported functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
+bool pi_create_encode(opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp);
/**
-Create a packet iterator
+Create a packet iterator for Decoder
@param image Raw image for which the packets will be listed
@param cp Coding parameters
@param tileno Number that identifies the tile for which to list the packets
@return Returns a packet iterator that points to the first packet of the tile
@see pi_destroy
*/
-opj_pi_iterator_t *pi_create(opj_image_t * image, opj_cp_t * cp, int tileno);
+opj_pi_iterator_t *pi_create_decode(opj_image_t * image, opj_cp_t * cp, int tileno);
/**
Destroy a packet iterator
projects / openjpeg.git / blobdiff