@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);
+static opj_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);
+static opj_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);
+static opj_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
*/
-static bool pi_next_pcrl(opj_pi_iterator_t * pi);
+static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi);
/**
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
*/
-static bool pi_next_cprl(opj_pi_iterator_t * pi);
+static opj_bool pi_next_cprl(opj_pi_iterator_t * pi);
+
+
+
+/**
+ * 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 , ...
+ *
+ * @param p_image the image being encoded.
+ * @param p_cp the coding parameters.
+ * @param tileno the tile index of the tile being encoded.
+ * @param p_tx0 pointer that will hold the X0 parameter for the tile
+ * @param p_tx1 pointer that will hold the X1 parameter for the tile
+ * @param p_ty0 pointer that will hold the Y0 parameter for the tile
+ * @param p_ty1 pointer that will hold the Y1 parameter for the tile
+ * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
+ * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
+ * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
+ * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
+ * @param p_resolutions pointer to an area corresponding to the one described above.
+ */
+void get_all_encoding_parameters(
+ const opj_image_t *p_image,
+ const opj_cp_v2_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
+ );
+
+
+/**
+ * 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.
+ *
+ * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
+ * @param p_cp the coding parameters.
+ * @param p_tile_no the index of the tile from which creating the packet iterator.
+ */
+opj_pi_iterator_t * pi_create( const opj_image_t *image,
+ const opj_cp_v2_t *cp,
+ OPJ_UINT32 tileno );
+
+void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
+void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
+
/*@}*/
==========================================================
*/
-static bool pi_next_lrcp(opj_pi_iterator_t * pi) {
+static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi) {
opj_pi_comp_t *comp = NULL;
opj_pi_resolution_t *res = NULL;
long index = 0;
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
- return true;
+ return OPJ_TRUE;
}
LABEL_SKIP:;
}
}
}
- return false;
+ return OPJ_FALSE;
}
-static bool pi_next_rlcp(opj_pi_iterator_t * pi) {
+static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi) {
opj_pi_comp_t *comp = NULL;
opj_pi_resolution_t *res = NULL;
long index = 0;
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
- return true;
+ return OPJ_TRUE;
}
LABEL_SKIP:;
}
}
}
- return false;
+ return OPJ_FALSE;
}
-static bool pi_next_rpcl(opj_pi_iterator_t * pi) {
+static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi) {
opj_pi_comp_t *comp = NULL;
opj_pi_resolution_t *res = NULL;
long index = 0;
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
- return true;
+ return OPJ_TRUE;
}
LABEL_SKIP:;
}
}
}
- return false;
+ return OPJ_FALSE;
}
-static bool pi_next_pcrl(opj_pi_iterator_t * pi) {
+static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi) {
opj_pi_comp_t *comp = NULL;
opj_pi_resolution_t *res = NULL;
long index = 0;
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
- return true;
+ return OPJ_TRUE;
}
LABEL_SKIP:;
}
}
}
- return false;
+ return OPJ_FALSE;
}
-static bool pi_next_cprl(opj_pi_iterator_t * pi) {
+static opj_bool pi_next_cprl(opj_pi_iterator_t * pi) {
opj_pi_comp_t *comp = NULL;
opj_pi_resolution_t *res = NULL;
long index = 0;
index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
if (!pi->include[index]) {
pi->include[index] = 1;
- return true;
+ return OPJ_TRUE;
}
LABEL_SKIP:;
}
}
}
- return false;
+ return OPJ_FALSE;
}
/*
}
+opj_pi_iterator_t *pi_create_decode_v2( opj_image_t *p_image,
+ opj_cp_v2_t *p_cp,
+ OPJ_UINT32 p_tile_no
+ )
+{
+ // loop
+ OPJ_UINT32 pino;
+ OPJ_UINT32 compno, resno;
+
+ // to store w, h, dx and dy fro all components and resolutions
+ OPJ_UINT32 * l_tmp_data;
+ OPJ_UINT32 ** l_tmp_ptr;
+
+ // encoding prameters to set
+ OPJ_UINT32 l_max_res;
+ OPJ_UINT32 l_max_prec;
+ OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
+ OPJ_UINT32 l_dx_min,l_dy_min;
+ OPJ_UINT32 l_bound;
+ OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
+ OPJ_UINT32 l_data_stride;
+
+ // pointers
+ opj_pi_iterator_t *l_pi = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ const opj_tccp_t *l_tccp = 00;
+ opj_pi_comp_t *l_current_comp = 00;
+ opj_image_comp_t * l_img_comp = 00;
+ opj_pi_iterator_t * l_current_pi = 00;
+ OPJ_UINT32 * l_encoding_value_ptr = 00;
+
+ // preconditions in debug
+ assert(p_cp != 00);
+ assert(p_image != 00);
+ assert(p_tile_no < p_cp->tw * p_cp->th);
+
+ // initializations
+ l_tcp = &p_cp->tcps[p_tile_no];
+ l_bound = l_tcp->numpocs+1;
+
+ l_data_stride = 4 * J2K_MAXRLVLS;
+ l_tmp_data = (OPJ_UINT32*)opj_malloc(
+ l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
+ if
+ (! l_tmp_data)
+ {
+ return 00;
+ }
+ l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
+ p_image->numcomps * sizeof(OPJ_UINT32 *));
+ if
+ (! l_tmp_ptr)
+ {
+ opj_free(l_tmp_data);
+ return 00;
+ }
+
+ // memory allocation for pi
+ l_pi = pi_create(p_image, p_cp, p_tile_no);
+ if (!l_pi) {
+ opj_free(l_tmp_data);
+ opj_free(l_tmp_ptr);
+ return 00;
+ }
+
+ l_encoding_value_ptr = l_tmp_data;
+ // update pointer array
+ for
+ (compno = 0; compno < p_image->numcomps; ++compno)
+ {
+ l_tmp_ptr[compno] = l_encoding_value_ptr;
+ l_encoding_value_ptr += l_data_stride;
+ }
+ // get encoding parameters
+ get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr);
+
+ // step calculations
+ l_step_p = 1;
+ l_step_c = l_max_prec * l_step_p;
+ l_step_r = p_image->numcomps * l_step_c;
+ l_step_l = l_max_res * l_step_r;
+
+ // set values for first packet iterator
+ l_current_pi = l_pi;
+
+ // memory allocation for include
+ l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
+ if
+ (!l_current_pi->include)
+ {
+ opj_free(l_tmp_data);
+ opj_free(l_tmp_ptr);
+ pi_destroy_v2(l_pi, l_bound);
+ return 00;
+ }
+ memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
+
+ // special treatment for the first packet iterator
+ l_current_comp = l_current_pi->comps;
+ l_img_comp = p_image->comps;
+ l_tccp = l_tcp->tccps;
+
+ l_current_pi->tx0 = l_tx0;
+ l_current_pi->ty0 = l_ty0;
+ l_current_pi->tx1 = l_tx1;
+ l_current_pi->ty1 = l_ty1;
+
+ //l_current_pi->dx = l_img_comp->dx;
+ //l_current_pi->dy = l_img_comp->dy;
+
+ l_current_pi->step_p = l_step_p;
+ l_current_pi->step_c = l_step_c;
+ l_current_pi->step_r = l_step_r;
+ l_current_pi->step_l = l_step_l;
+
+ /* allocation for components and number of components has already been calculated by pi_create */
+ for
+ (compno = 0; compno < l_current_pi->numcomps; ++compno)
+ {
+ opj_pi_resolution_t *l_res = l_current_comp->resolutions;
+ l_encoding_value_ptr = l_tmp_ptr[compno];
+
+ l_current_comp->dx = l_img_comp->dx;
+ l_current_comp->dy = l_img_comp->dy;
+ /* resolutions have already been initialized */
+ for
+ (resno = 0; resno < l_current_comp->numresolutions; resno++)
+ {
+ l_res->pdx = *(l_encoding_value_ptr++);
+ l_res->pdy = *(l_encoding_value_ptr++);
+ l_res->pw = *(l_encoding_value_ptr++);
+ l_res->ph = *(l_encoding_value_ptr++);
+ ++l_res;
+ }
+ ++l_current_comp;
+ ++l_img_comp;
+ ++l_tccp;
+ }
+ ++l_current_pi;
+
+ for
+ (pino = 1 ; pino<l_bound ; ++pino )
+ {
+ opj_pi_comp_t *l_current_comp = l_current_pi->comps;
+ opj_image_comp_t * l_img_comp = p_image->comps;
+ l_tccp = l_tcp->tccps;
+
+ l_current_pi->tx0 = l_tx0;
+ l_current_pi->ty0 = l_ty0;
+ l_current_pi->tx1 = l_tx1;
+ l_current_pi->ty1 = l_ty1;
+ //l_current_pi->dx = l_dx_min;
+ //l_current_pi->dy = l_dy_min;
+ l_current_pi->step_p = l_step_p;
+ l_current_pi->step_c = l_step_c;
+ l_current_pi->step_r = l_step_r;
+ l_current_pi->step_l = l_step_l;
+
+ /* allocation for components and number of components has already been calculated by pi_create */
+ for
+ (compno = 0; compno < l_current_pi->numcomps; ++compno)
+ {
+ opj_pi_resolution_t *l_res = l_current_comp->resolutions;
+ l_encoding_value_ptr = l_tmp_ptr[compno];
+
+ l_current_comp->dx = l_img_comp->dx;
+ l_current_comp->dy = l_img_comp->dy;
+ /* resolutions have already been initialized */
+ for
+ (resno = 0; resno < l_current_comp->numresolutions; resno++)
+ {
+ l_res->pdx = *(l_encoding_value_ptr++);
+ l_res->pdy = *(l_encoding_value_ptr++);
+ l_res->pw = *(l_encoding_value_ptr++);
+ l_res->ph = *(l_encoding_value_ptr++);
+ ++l_res;
+ }
+ ++l_current_comp;
+ ++l_img_comp;
+ ++l_tccp;
+ }
+ // special treatment
+ l_current_pi->include = (l_current_pi-1)->include;
+ ++l_current_pi;
+ }
+ opj_free(l_tmp_data);
+ l_tmp_data = 00;
+ opj_free(l_tmp_ptr);
+ l_tmp_ptr = 00;
+ if
+ (l_tcp->POC)
+ {
+ pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
+ }
+ else
+ {
+ pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
+ }
+ return l_pi;
+}
+
opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){
int p, q, pino;
int compno, resno;
}
}
-bool pi_next(opj_pi_iterator_t * pi) {
+opj_bool pi_next(opj_pi_iterator_t * pi) {
switch (pi->poc.prg) {
case LRCP:
return pi_next_lrcp(pi);
case CPRL:
return pi_next_cprl(pi);
case PROG_UNKNOWN:
- return false;
+ return OPJ_FALSE;
}
- return false;
+ return OPJ_FALSE;
}
-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){
+opj_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){
char prog[4];
int i;
int incr_top=1,resetX=0;
case RPCL: strncpy(prog, "RPCL",4);
break;
case PROG_UNKNOWN:
- return true;
+ return OPJ_TRUE;
}
if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){
}
}
}
- return false;
+ return OPJ_FALSE;
+}
+
+
+
+/**
+ * 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 , ...
+ *
+ * @param p_image the image being encoded.
+ * @param p_cp the coding parameters.
+ * @param tileno the tile index of the tile being encoded.
+ * @param p_tx0 pointer that will hold the X0 parameter for the tile
+ * @param p_tx1 pointer that will hold the X1 parameter for the tile
+ * @param p_ty0 pointer that will hold the Y0 parameter for the tile
+ * @param p_ty1 pointer that will hold the Y1 parameter for the tile
+ * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
+ * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
+ * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
+ * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
+ * @param p_resolutions pointer to an area corresponding to the one described above.
+ */
+void get_all_encoding_parameters(
+ const opj_image_t *p_image,
+ const opj_cp_v2_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
+ )
+{
+ // loop
+ OPJ_UINT32 compno, resno;
+
+ // pointers
+ const opj_tcp_v2_t *tcp = 00;
+ const opj_tccp_t * l_tccp = 00;
+ const opj_image_comp_t * l_img_comp = 00;
+
+ // to store l_dx, l_dy, w and h for each resolution and component.
+ OPJ_UINT32 * lResolutionPtr;
+
+ // position in x and y of tile
+ OPJ_UINT32 p, q;
+
+ // preconditions in debug
+ assert(p_cp != 00);
+ assert(p_image != 00);
+ assert(tileno < p_cp->tw * p_cp->th);
+
+ // initializations
+ tcp = &p_cp->tcps [tileno];
+ l_tccp = tcp->tccps;
+ l_img_comp = p_image->comps;
+
+ // position in x and y of tile
+
+ p = tileno % p_cp->tw;
+ q = tileno / p_cp->tw;
+
+ /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
+ *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
+ *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
+ *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
+ *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
+
+ // max precision and resolution is 0 (can only grow)
+ *p_max_prec = 0;
+ *p_max_res = 0;
+
+ // take the largest value for dx_min and dy_min
+ *p_dx_min = 0x7fffffff;
+ *p_dy_min = 0x7fffffff;
+
+ for
+ (compno = 0; compno < p_image->numcomps; ++compno)
+ {
+ // aritmetic variables to calculate
+ OPJ_UINT32 l_level_no;
+ OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
+ OPJ_INT32 l_px0, l_py0, l_px1, py1;
+ OPJ_UINT32 l_product;
+ OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
+ OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
+
+ lResolutionPtr = p_resolutions[compno];
+
+ l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx);
+ l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy);
+ l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx);
+ l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy);
+ if
+ (l_tccp->numresolutions > *p_max_res)
+ {
+ *p_max_res = l_tccp->numresolutions;
+ }
+
+ // use custom size for precincts
+ l_level_no = l_tccp->numresolutions - 1;
+ for
+ (resno = 0; resno < l_tccp->numresolutions; ++resno)
+ {
+ OPJ_UINT32 l_dx, l_dy;
+ // precinct width and height
+ l_pdx = l_tccp->prcw[resno];
+ l_pdy = l_tccp->prch[resno];
+ *lResolutionPtr++ = l_pdx;
+ *lResolutionPtr++ = l_pdy;
+ l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
+ l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
+ // take the minimum size for l_dx for each comp and resolution
+ *p_dx_min = int_min(*p_dx_min, l_dx);
+ *p_dy_min = int_min(*p_dy_min, l_dy);
+ // various calculations of extents
+
+ l_rx0 = int_ceildivpow2(l_tcx0, l_level_no);
+ l_ry0 = int_ceildivpow2(l_tcy0, l_level_no);
+ l_rx1 = int_ceildivpow2(l_tcx1, l_level_no);
+ l_ry1 = int_ceildivpow2(l_tcy1, l_level_no);
+ l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx;
+ l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy;
+ l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
+ py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
+ l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
+ l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
+ *lResolutionPtr++ = l_pw;
+ *lResolutionPtr++ = l_ph;
+ l_product = l_pw * l_ph;
+ // update precision
+ if
+ (l_product > *p_max_prec)
+ {
+ *p_max_prec = l_product;
+ }
+ --l_level_no;
+ }
+ ++l_tccp;
+ ++l_img_comp;
+ }
+}
+
+/**
+ * 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.
+ *
+ * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
+ * @param p_cp the coding parameters.
+ * @param p_tile_no the index of the tile from which creating the packet iterator.
+ */
+opj_pi_iterator_t * pi_create( const opj_image_t *image,
+ const opj_cp_v2_t *cp,
+ OPJ_UINT32 tileno )
+{
+ // loop
+ OPJ_UINT32 pino, compno;
+ // number of poc in the p_pi
+ OPJ_UINT32 l_poc_bound;
+
+ // pointers to tile coding parameters and components.
+ opj_pi_iterator_t *l_pi = 00;
+ opj_tcp_v2_t *tcp = 00;
+ const opj_tccp_t *tccp = 00;
+
+ // current packet iterator being allocated
+ opj_pi_iterator_t *l_current_pi = 00;
+
+ // preconditions in debug
+ assert(cp != 00);
+ assert(image != 00);
+ assert(tileno < cp->tw * cp->th);
+
+ // initializations
+ tcp = &cp->tcps[tileno];
+ l_poc_bound = tcp->numpocs+1;
+
+ // memory allocations
+ l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
+ if (!l_pi) {
+ return NULL;
+ }
+ memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
+
+ l_current_pi = l_pi;
+ for (pino = 0; pino < l_poc_bound ; ++pino) {
+
+ l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
+ if (! l_current_pi->comps) {
+ pi_destroy_v2(l_pi, l_poc_bound);
+ return NULL;
+ }
+
+ l_current_pi->numcomps = image->numcomps;
+ memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
+
+ for (compno = 0; compno < image->numcomps; ++compno) {
+ opj_pi_comp_t *comp = &l_current_pi->comps[compno];
+
+ tccp = &tcp->tccps[compno];
+
+ comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
+ if (!comp->resolutions) {
+ pi_destroy_v2(l_pi, l_poc_bound);
+ return 00;
+ }
+
+ comp->numresolutions = tccp->numresolutions;
+ memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
+ }
+ ++l_current_pi;
+ }
+ return l_pi;
}
+
+
+/**
+ * Destroys a packet iterator array.
+ *
+ * @param p_pi the packet iterator array to destroy.
+ * @param p_nb_elements the number of elements in the array.
+ */
+void pi_destroy_v2(
+ opj_pi_iterator_t *p_pi,
+ OPJ_UINT32 p_nb_elements)
+{
+ OPJ_UINT32 compno, pino;
+ opj_pi_iterator_t *l_current_pi = p_pi;
+ if
+ (p_pi)
+ {
+ if
+ (p_pi->include)
+ {
+ opj_free(p_pi->include);
+ p_pi->include = 00;
+ }
+ // TODO
+ for
+ (pino = 0; pino < p_nb_elements; ++pino)
+ {
+ if
+ (l_current_pi->comps)
+ {
+ opj_pi_comp_t *l_current_component = l_current_pi->comps;
+ for
+ (compno = 0; compno < l_current_pi->numcomps; compno++)
+ {
+ if
+ (l_current_component->resolutions)
+ {
+ opj_free(l_current_component->resolutions);
+ l_current_component->resolutions = 00;
+ }
+ ++l_current_component;
+ }
+ opj_free(l_current_pi->comps);
+ l_current_pi->comps = 0;
+ }
+ ++l_current_pi;
+ }
+ opj_free(p_pi);
+ }
+}
+
+
+
+void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
+{
+ // loop
+ OPJ_UINT32 pino;
+
+ // encoding prameters to set
+ OPJ_UINT32 l_bound;
+
+ opj_pi_iterator_t * l_current_pi = 00;
+ opj_poc_t* l_current_poc = 0;
+
+ // preconditions in debug
+ assert(p_pi != 00);
+ assert(p_tcp != 00);
+
+ // initializations
+ l_bound = p_tcp->numpocs+1;
+ l_current_pi = p_pi;
+ l_current_poc = p_tcp->pocs;
+
+ for
+ (pino = 0;pino<l_bound;++pino)
+ {
+ l_current_pi->poc.prg = l_current_poc->prg;
+ l_current_pi->first = 1;
+
+ l_current_pi->poc.resno0 = l_current_poc->resno0;
+ l_current_pi->poc.compno0 = l_current_poc->compno0;
+ l_current_pi->poc.layno0 = 0;
+ l_current_pi->poc.precno0 = 0;
+ l_current_pi->poc.resno1 = l_current_poc->resno1;
+ l_current_pi->poc.compno1 = l_current_poc->compno1;
+ l_current_pi->poc.layno1 = l_current_poc->layno1;
+ l_current_pi->poc.precno1 = p_max_precision;
+ ++l_current_pi;
+ ++l_current_poc;
+ }
+}
+
+
+void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
+{
+ // loop
+ OPJ_UINT32 pino;
+
+ // encoding prameters to set
+ OPJ_UINT32 l_bound;
+
+ opj_pi_iterator_t * l_current_pi = 00;
+ // preconditions in debug
+ assert(p_tcp != 00);
+ assert(p_pi != 00);
+
+ // initializations
+ l_bound = p_tcp->numpocs+1;
+ l_current_pi = p_pi;
+
+ for
+ (pino = 0;pino<l_bound;++pino)
+ {
+ l_current_pi->poc.prg = p_tcp->prg;
+ l_current_pi->first = 1;
+ l_current_pi->poc.resno0 = 0;
+ l_current_pi->poc.compno0 = 0;
+ l_current_pi->poc.layno0 = 0;
+ l_current_pi->poc.precno0 = 0;
+ l_current_pi->poc.resno1 = p_max_res;
+ l_current_pi->poc.compno1 = l_current_pi->numcomps;
+ l_current_pi->poc.layno1 = p_tcp->numlayers;
+ l_current_pi->poc.precno1 = p_max_precision;
+ ++l_current_pi;
+ }
+}
projects / openjpeg.git / blobdiff