WIP: enchance the new version with some bug fixes from v1 and from me
[openjpeg.git] / libopenjpeg / tcd.c
index 26548564025baf350b402670902d93279ab34262..1eeba0028ce7cc0463d612c83b41009b8f274ac8 100644 (file)
@@ -90,7 +90,43 @@ void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
        }
        fprintf(fd, "}\n");
 }
+/**
+* Allocates memory for a decoding code block.
+*/
+static opj_bool tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block);
+
+/**
+Free the memory allocated for encoding
+@param tcd TCD handle
+*/
+static void tcd_free_tile(opj_tcd_v2_t *tcd);
+
+
+opj_bool tcd_t2_decode (
+                                       opj_tcd_v2_t *p_tcd,
+                                       OPJ_BYTE * p_src_data,
+                                       OPJ_UINT32 * p_data_read,
+                                       OPJ_UINT32 p_max_src_size,
+                                       opj_codestream_info_t *p_cstr_info
+                                       );
 
+opj_bool tcd_t1_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        );
+
+opj_bool tcd_dwt_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        );
+
+opj_bool tcd_mct_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        );
+
+opj_bool tcd_dc_level_shift_decode (
+                                                opj_tcd_v2_t *p_tcd
+                                                );
+
+void tcd_code_block_dec_deallocate (opj_tcd_precinct_t * p_precinct);
 /* ----------------------------------------------------------------------- */
 
 /**
@@ -110,6 +146,33 @@ opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
        return tcd;
 }
 
+/**
+Create a new TCD handle
+*/
+opj_tcd_v2_t* tcd_create_v2(opj_bool p_is_decoder)
+{
+       opj_tcd_v2_t *l_tcd = 00;
+
+       /* create the tcd structure */
+       l_tcd = (opj_tcd_v2_t*) opj_malloc(sizeof(opj_tcd_v2_t));
+       if
+               (!l_tcd)
+       {
+               return 00;
+       }
+       memset(l_tcd,0,sizeof(opj_tcd_v2_t));
+       l_tcd->m_is_decoder = p_is_decoder ? 1 : 0;
+       l_tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
+       if
+               (!l_tcd->tcd_image)
+       {
+               opj_free(l_tcd);
+               return 00;
+       }
+       memset(l_tcd->tcd_image,0,sizeof(opj_tcd_image_t));
+       return l_tcd;
+}
+
 /**
 Destroy a previously created TCD handle
 */
@@ -676,6 +739,8 @@ void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
        opj_tcp_t *tcp;
        opj_tcd_tile_t *tile;
 
+       OPJ_ARG_NOT_USED(cstr_info);
+
        tcd->cp = cp;
        
        tcp = &(cp->tcps[cp->tileno[tileno]]);
@@ -1416,18 +1481,23 @@ opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno
 
        if (tcd->tcp->mct) {
                int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
-               if (tcd->tcp->tccps[0].qmfbid == 1) {
-                       mct_decode(
-                                       tile->comps[0].data,
-                                       tile->comps[1].data,
-                                       tile->comps[2].data, 
-                                       n);
-               } else {
-                       mct_decode_real(
-                                       (float*)tile->comps[0].data,
-                                       (float*)tile->comps[1].data,
-                                       (float*)tile->comps[2].data, 
-                                       n);
+
+               if (tile->numcomps >= 3 ){
+                       if (tcd->tcp->tccps[0].qmfbid == 1) {
+                               mct_decode(
+                                               tile->comps[0].data,
+                                               tile->comps[1].data,
+                                               tile->comps[2].data,
+                                               n);
+                       } else {
+                               mct_decode_real(
+                                               (float*)tile->comps[0].data,
+                                               (float*)tile->comps[1].data,
+                                               (float*)tile->comps[2].data,
+                                               n);
+                       }
+               } else{
+                       opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
                }
        }
 
@@ -1513,4 +1583,1115 @@ void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
 }
 
 
+opj_bool tcd_init_v2(  opj_tcd_v2_t *p_tcd,
+                                          opj_image_header_t * p_image_header,
+                                          opj_cp_v2_t * p_cp )
+{
+       OPJ_UINT32 l_tile_comp_size;
+
+       p_tcd->image_header = p_image_header;
+       p_tcd->cp = p_cp;
+       p_tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
+
+       if (! p_tcd->tcd_image->tiles) {
+               return OPJ_FALSE;
+       }
+       memset(p_tcd->tcd_image->tiles,0, sizeof(opj_tcd_tile_t));
+
+       l_tile_comp_size = p_image_header->numcomps * sizeof(opj_tcd_tilecomp_t);
+       p_tcd->tcd_image->tiles->comps = (opj_tcd_tilecomp_t *) opj_malloc(l_tile_comp_size);
+       if (! p_tcd->tcd_image->tiles->comps ) {
+               return OPJ_FALSE;
+       }
+       memset( p_tcd->tcd_image->tiles->comps , 0 , l_tile_comp_size);
+
+       p_tcd->tcd_image->tiles->numcomps = p_image_header->numcomps;
+       p_tcd->tp_pos = p_cp->m_specific_param.m_enc.m_tp_pos;
+
+       return OPJ_TRUE;
+}
+
+/**
+Destroy a previously created TCD handle
+*/
+void tcd_destroy_v2(opj_tcd_v2_t *tcd) {
+       if
+               (tcd)
+       {
+               tcd_free_tile(tcd);
+               if
+                       (tcd->tcd_image)
+               {
+                       opj_free(tcd->tcd_image);
+                       tcd->tcd_image = 00;
+               }
+               opj_free(tcd);
+       }
+}
+
+/* ----------------------------------------------------------------------- */
+/**
+ * Initialize the tile coder and may reuse some meory.
+ * @param      p_tcd           TCD handle.
+ * @param      p_image         raw image.
+ * @param      p_cp            coding parameters.
+ * @param      p_tile_no       current tile index to encode.
+ *
+ * @return true if the encoding values could be set (false otherwise).
+*/
+#define MACRO_TCD_ALLOCATE(FUNCTION,TYPE,FRACTION,ELEMENT,FUNCTION_ELEMENT)    \
+opj_bool FUNCTION                                                                                                                              \
+                       (                                                                                                                               \
+                               opj_tcd_v2_t *p_tcd,                                                                                    \
+                               OPJ_UINT32 p_tile_no                                                                            \
+                       )                                                                                                                               \
+{                                                                                                                                                      \
+       OPJ_UINT32 (*l_gain_ptr)(OPJ_UINT32) = 00;                                                              \
+       OPJ_UINT32 compno, resno, bandno, precno, cblkno;                                               \
+       opj_tcp_v2_t * l_tcp = 00;                                                                                                      \
+       opj_cp_v2_t * l_cp = 00;                                                                                                        \
+       opj_tcd_tile_t * l_tile = 00;                                                                                   \
+       opj_tccp_t *l_tccp = 00;                                                                                                \
+       opj_tcd_tilecomp_t *l_tilec = 00;                                                                               \
+       opj_image_comp_t * l_image_comp = 00;                                                                   \
+       opj_tcd_resolution_t *l_res = 00;                                                                               \
+       opj_tcd_band_t *l_band = 00;                                                                                    \
+       opj_stepsize_t * l_step_size = 00;                                                                              \
+       opj_tcd_precinct_t *l_current_precinct = 00;                                                    \
+       TYPE* l_code_block = 00;                                                                                                \
+       opj_image_header_t *    l_image = 00;                                                                                   \
+       OPJ_UINT32 p,q;                                                                                                                 \
+       OPJ_UINT32 l_level_no;                                                                                                  \
+       OPJ_UINT32 l_pdx, l_pdy;                                                                                                \
+       OPJ_UINT32 l_gain;                                                                                                              \
+       OPJ_INT32 l_x0b, l_y0b;                                                                                                 \
+       /* extent of precincts , top left, bottom right**/                                              \
+       OPJ_INT32 l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end, l_br_prc_y_end;   \
+       /* number of precinct for a resolution */                                                               \
+       OPJ_UINT32 l_nb_precincts;                                                                                              \
+       /* room needed to store l_nb_precinct precinct for a resolution */              \
+       OPJ_UINT32 l_nb_precinct_size;                                                                                  \
+       /* number of code blocks for a precinct*/                                                               \
+       OPJ_UINT32 l_nb_code_blocks;                                                                                    \
+       /* room needed to store l_nb_code_blocks code blocks for a precinct*/   \
+       OPJ_UINT32 l_nb_code_blocks_size;                                                                               \
+       /* size of data for a tile */                                                                                   \
+       OPJ_UINT32 l_data_size;                                                                                                 \
+       l_cp = p_tcd->cp;                                                                                                               \
+       l_tcp = &(l_cp->tcps[p_tile_no]);                                                                               \
+       l_tile = p_tcd->tcd_image->tiles;                                                                               \
+       l_tccp = l_tcp->tccps;                                                                                                  \
+       l_tilec = l_tile->comps;                                                                                                \
+       l_image = p_tcd->image_header;                                                                                                  \
+       l_image_comp = p_tcd->image_header->comps;                                                                              \
+                                                                                                                                                       \
+       p = p_tile_no % l_cp->tw;       /* tile coordinates */                                          \
+       q = p_tile_no / l_cp->tw;                                                                                               \
+                                                                                                                                                       \
+       /* 4 borders of the tile rescale on the image if necessary */                   \
+       l_tile->x0 = int_max(l_cp->tx0 + p * l_cp->tdx, l_image->x0);                   \
+       l_tile->y0 = int_max(l_cp->ty0 + q * l_cp->tdy, l_image->y0);                   \
+       l_tile->x1 = int_min(l_cp->tx0 + (p + 1) * l_cp->tdx, l_image->x1);             \
+       l_tile->y1 = int_min(l_cp->ty0 + (q + 1) * l_cp->tdy, l_image->y1);             \
+       /*tile->numcomps = image->numcomps; */                                                                  \
+       for                                                                                                                                             \
+               (compno = 0; compno < l_tile->numcomps; ++compno)                                       \
+       {                                                                                                                                               \
+               /* border of each l_tile component (global) */                                          \
+               l_tilec->x0 = int_ceildiv(l_tile->x0, l_image_comp->dx);                        \
+               l_tilec->y0 = int_ceildiv(l_tile->y0, l_image_comp->dy);                        \
+               l_tilec->x1 = int_ceildiv(l_tile->x1, l_image_comp->dx);                        \
+               l_tilec->y1 = int_ceildiv(l_tile->y1, l_image_comp->dy);                        \
+                                                                                                                                                       \
+               l_data_size = (l_tilec->x1 - l_tilec->x0)                                                       \
+                                       * (l_tilec->y1 - l_tilec->y0) * sizeof(OPJ_UINT32 );    \
+               l_tilec->numresolutions = l_tccp->numresolutions;                                       \
+               if                                                                                                                                      \
+                       (l_tccp->numresolutions < l_cp->m_specific_param.m_dec.m_reduce)\
+               {                                                                                                                                       \
+                       l_tilec->minimum_num_resolutions = 1;                                                   \
+               }                                                                                                                                       \
+               else                                                                                                                            \
+               {                                                                                                                                       \
+                       l_tilec->minimum_num_resolutions = l_tccp->numresolutions - l_cp->m_specific_param.m_dec.m_reduce;\
+               }                                                                                                                                       \
+               if                                                                                                                                      \
+                       (l_tilec->data == 00)                                                                                   \
+               {                                                                                                                                       \
+            l_tilec->data = (OPJ_INT32 *) opj_aligned_malloc(l_data_size);     \
+                       if                                                                                                                              \
+                               (! l_tilec->data )                                                                                      \
+                       {                                                                                                                               \
+                               return OPJ_FALSE;                                                                                               \
+                       }                                                                                                                               \
+                       l_tilec->data_size = l_data_size;                                                               \
+               }                                                                                                                                       \
+               else if                                                                                                                         \
+                       (l_data_size > l_tilec->data_size)                                                              \
+               {                                                                                                                                       \
+                       l_tilec->data = (OPJ_INT32 *) opj_realloc(l_tilec->data, l_data_size);\
+                       if                                                                                                                              \
+                               (! l_tilec->data)                                                                                       \
+                       {                                                                                                                               \
+                               return OPJ_FALSE;                                                                                               \
+                       }                                                                                                                               \
+                       l_tilec->data_size = l_data_size;                                                               \
+               }                                                                                                                                       \
+               l_data_size = l_tilec->numresolutions * sizeof(opj_tcd_resolution_t);\
+               if                                                                                                                                      \
+                       (l_tilec->resolutions == 00)                                                                    \
+               {                                                                                                                                       \
+            l_tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(l_data_size);\
+                       if                                                                                                                              \
+                               (! l_tilec->resolutions )                                                                       \
+                       {                                                                                                                               \
+                               return OPJ_FALSE;                                                                                               \
+                       }                                                                                                                               \
+                       l_tilec->resolutions_size = l_data_size;                                                \
+                       memset(l_tilec->resolutions,0,l_data_size);                                             \
+               }                                                                                                                                       \
+               else if                                                                                                                         \
+                       (l_data_size > l_tilec->resolutions_size)                                               \
+               {                                                                                                                                       \
+                       l_tilec->resolutions = (opj_tcd_resolution_t *) opj_realloc(l_tilec->resolutions, l_data_size);\
+                       if                                                                                                                              \
+                               (! l_tilec->resolutions)                                                                        \
+                       {                                                                                                                               \
+                               return OPJ_FALSE;                                                                                               \
+                       }                                                                                                                               \
+                       memset(((OPJ_BYTE*) l_tilec->resolutions)+l_tilec->resolutions_size,0,l_data_size - l_tilec->resolutions_size);\
+                       l_tilec->resolutions_size = l_data_size;                                                \
+               }                                                                                                                                       \
+               l_level_no = l_tilec->numresolutions - 1;                                                       \
+               l_res = l_tilec->resolutions;                                                                           \
+               l_step_size = l_tccp->stepsizes;                                                                        \
+               if                                                                                                                                      \
+                       (l_tccp->qmfbid == 0)                                                                                   \
+               {                                                                                                                                       \
+                       l_gain_ptr = &dwt_getgain_real;                                                                 \
+               }                                                                                                                                       \
+               else                                                                                                                            \
+               {                                                                                                                                       \
+                       l_gain_ptr  = &dwt_getgain;                                                                             \
+               }                                                                                                                                       \
+               for                                                                                                                                     \
+                       (resno = 0; resno < l_tilec->numresolutions; ++resno)                   \
+               {                                                                                                                                       \
+                       OPJ_INT32 tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;               \
+                       OPJ_UINT32 cbgwidthexpn, cbgheightexpn;                                                 \
+                       OPJ_UINT32 cblkwidthexpn, cblkheightexpn;                                               \
+                       /* border for each resolution level (global) */                                 \
+                       l_res->x0 = int_ceildivpow2(l_tilec->x0, l_level_no);                   \
+                       l_res->y0 = int_ceildivpow2(l_tilec->y0, l_level_no);                   \
+                       l_res->x1 = int_ceildivpow2(l_tilec->x1, l_level_no);                   \
+                       l_res->y1 = int_ceildivpow2(l_tilec->y1, l_level_no);                   \
+                       /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */\
+                       l_pdx = l_tccp->prcw[resno];                                                                    \
+                       l_pdy = l_tccp->prch[resno];                                                                    \
+                       /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */  \
+                       l_tl_prc_x_start = int_floordivpow2(l_res->x0, l_pdx) << l_pdx; \
+                       l_tl_prc_y_start = int_floordivpow2(l_res->y0, l_pdy) << l_pdy; \
+                       l_br_prc_x_end = int_ceildivpow2(l_res->x1, l_pdx) << l_pdx;    \
+                       l_br_prc_y_end = int_ceildivpow2(l_res->y1, l_pdy) << l_pdy;    \
+                                                                                                                                                       \
+                       l_res->pw = (l_res->x0 == l_res->x1) ? 0 : ((l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx);\
+                       l_res->ph = (l_res->y0 == l_res->y1) ? 0 : ((l_br_prc_y_end - l_tl_prc_y_start) >> l_pdy);\
+                       l_nb_precincts = l_res->pw * l_res->ph;                                                 \
+                       l_nb_precinct_size = l_nb_precincts * sizeof(opj_tcd_precinct_t);\
+                       if                                                                                                                              \
+                               (resno == 0)                                                                                            \
+                       {                                                                                                                               \
+                               tlcbgxstart = l_tl_prc_x_start;                                                         \
+                               tlcbgystart = l_tl_prc_y_start;                                                         \
+                               brcbgxend = l_br_prc_x_end;                                                                     \
+                               brcbgyend = l_br_prc_y_end;                                                                     \
+                               cbgwidthexpn = l_pdx;                                                                           \
+                               cbgheightexpn = l_pdy;                                                                          \
+                               l_res->numbands = 1;                                                                            \
+                       }                                                                                                                               \
+                       else                                                                                                                    \
+                       {                                                                                                                               \
+                               tlcbgxstart = int_ceildivpow2(l_tl_prc_x_start, 1);                     \
+                               tlcbgystart = int_ceildivpow2(l_tl_prc_y_start, 1);                     \
+                               brcbgxend = int_ceildivpow2(l_br_prc_x_end, 1);                         \
+                               brcbgyend = int_ceildivpow2(l_br_prc_y_end, 1);                         \
+                               cbgwidthexpn = l_pdx - 1;                                                                       \
+                               cbgheightexpn = l_pdy - 1;                                                                      \
+                               l_res->numbands = 3;                                                                            \
+                       }                                                                                                                               \
+                                                                                                                                                       \
+                       cblkwidthexpn = uint_min(l_tccp->cblkw, cbgwidthexpn);                  \
+                       cblkheightexpn = uint_min(l_tccp->cblkh, cbgheightexpn);                \
+                       l_band = l_res->bands;                                                                                  \
+                       for                                                                                                                             \
+                               (bandno = 0; bandno < l_res->numbands; ++bandno)                        \
+                       {                                                                                                                               \
+                               OPJ_INT32 numbps;                                                                                       \
+                               if                                                                                                                      \
+                                       (resno == 0)                                                                                    \
+                               {                                                                                                                       \
+                                       l_band->bandno = 0 ;                                                                    \
+                                       l_band->x0 = int_ceildivpow2(l_tilec->x0, l_level_no);  \
+                                       l_band->y0 = int_ceildivpow2(l_tilec->y0, l_level_no);  \
+                                       l_band->x1 = int_ceildivpow2(l_tilec->x1, l_level_no);  \
+                                       l_band->y1 = int_ceildivpow2(l_tilec->y1, l_level_no);  \
+                               }                                                                                                                       \
+                               else                                                                                                            \
+                               {                                                                                                                       \
+                                       l_band->bandno = bandno + 1;                                                    \
+                                       /* x0b = 1 if bandno = 1 or 3 */                                                \
+                                       l_x0b = l_band->bandno&1;                                                               \
+                                       /* y0b = 1 if bandno = 2 or 3 */                                                \
+                                       l_y0b = (l_band->bandno)>>1;                                                    \
+                                       /* l_band border (global) */                                                    \
+                                       l_band->x0 = int_ceildivpow2(l_tilec->x0 - (1 << l_level_no) * l_x0b, l_level_no + 1);\
+                                       l_band->y0 = int_ceildivpow2(l_tilec->y0 - (1 << l_level_no) * l_y0b, l_level_no + 1);\
+                                       l_band->x1 = int_ceildivpow2(l_tilec->x1 - (1 << l_level_no) * l_x0b, l_level_no + 1);\
+                                       l_band->y1 = int_ceildivpow2(l_tilec->y1 - (1 << l_level_no) * l_y0b, l_level_no + 1);\
+                               }                                                                                                                       \
+                               /** avoid an if with storing function pointer */                        \
+                               l_gain = (*l_gain_ptr) (l_band->bandno);                                        \
+                               numbps = l_image_comp->prec + l_gain;                                           \
+                               l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0, (OPJ_INT32) (numbps - l_step_size->expn)))) * FRACTION;\
+                               l_band->numbps = l_step_size->expn + l_tccp->numgbits - 1;      /* WHY -1 ? */\
+                               if                                                                                                                      \
+                                       (! l_band->precincts)                                                                   \
+                               {                                                                                                                       \
+                                       l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */ l_nb_precinct_size);\
+                                       if                                                                                                              \
+                                               (! l_band->precincts)                                                           \
+                                       {                                                                                                               \
+                                               return OPJ_FALSE;                                                                               \
+                                       }                                                                                                               \
+                                       memset(l_band->precincts,0,l_nb_precinct_size);                 \
+                                       l_band->precincts_data_size = l_nb_precinct_size;               \
+                               }                                                                                                                       \
+                               else if                                                                                                         \
+                                       (l_band->precincts_data_size < l_nb_precinct_size)              \
+                               {                                                                                                                       \
+                                       l_band->precincts = (opj_tcd_precinct_t *) opj_realloc(l_band->precincts,/*3 * */ l_nb_precinct_size);\
+                                       if                                                                                                              \
+                                               (! l_band->precincts)                                                           \
+                                       {                                                                                                               \
+                                               return OPJ_FALSE;                                                                               \
+                                       }                                                                                                               \
+                                       memset(((OPJ_BYTE *) l_band->precincts) + l_band->precincts_data_size,0,l_nb_precinct_size - l_band->precincts_data_size);\
+                                       l_band->precincts_data_size = l_nb_precinct_size;               \
+                               }                                                                                                                       \
+                               l_current_precinct = l_band->precincts;                                         \
+                               for                                                                                                                     \
+                                       (precno = 0; precno < l_nb_precincts; ++precno)                 \
+                               {                                                                                                                       \
+                                       OPJ_INT32 tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;   \
+                                       OPJ_INT32 cbgxstart = tlcbgxstart + (precno % l_res->pw) * (1 << cbgwidthexpn);\
+                                       OPJ_INT32 cbgystart = tlcbgystart + (precno / l_res->pw) * (1 << cbgheightexpn);\
+                                       OPJ_INT32 cbgxend = cbgxstart + (1 << cbgwidthexpn);                    \
+                                       OPJ_INT32 cbgyend = cbgystart + (1 << cbgheightexpn);                   \
+                                       /* precinct size (global) */                                                    \
+                                       l_current_precinct->x0 = int_max(cbgxstart, l_band->x0);\
+                                       l_current_precinct->y0 = int_max(cbgystart, l_band->y0);\
+                                       l_current_precinct->x1 = int_min(cbgxend, l_band->x1);  \
+                                       l_current_precinct->y1 = int_min(cbgyend, l_band->y1);  \
+                                       tlcblkxstart = int_floordivpow2(l_current_precinct->x0, cblkwidthexpn) << cblkwidthexpn;\
+                                       tlcblkystart = int_floordivpow2(l_current_precinct->y0, cblkheightexpn) << cblkheightexpn;\
+                                       brcblkxend = int_ceildivpow2(l_current_precinct->x1, cblkwidthexpn) << cblkwidthexpn;\
+                                       brcblkyend = int_ceildivpow2(l_current_precinct->y1, cblkheightexpn) << cblkheightexpn;\
+                                       l_current_precinct->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;\
+                                       l_current_precinct->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;\
+                                       l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;\
+                                       l_nb_code_blocks_size = l_nb_code_blocks * sizeof(TYPE);\
+                                       if                                                                                                              \
+                                               (! l_current_precinct->cblks.ELEMENT)                           \
+                                       {                                                                                                               \
+                                               l_current_precinct->cblks.ELEMENT = (TYPE*) opj_malloc(l_nb_code_blocks_size);\
+                                               if                                                                                                      \
+                                                       (! l_current_precinct->cblks.ELEMENT )                  \
+                                               {                                                                                                       \
+                                                       return OPJ_FALSE;                                                                       \
+                                               }                                                                                                       \
+                                               memset(l_current_precinct->cblks.ELEMENT,0,l_nb_code_blocks_size);\
+                                               l_current_precinct->block_size = l_nb_code_blocks_size;\
+                                       }                                                                                                               \
+                                       else if                                                                                                 \
+                                               (l_nb_code_blocks_size > l_current_precinct->block_size)\
+                                       {                                                                                                               \
+                                               l_current_precinct->cblks.ELEMENT = (TYPE*)                     \
+                                                       opj_realloc(l_current_precinct->cblks.ELEMENT, l_nb_code_blocks_size);\
+                                               if                                                                                                      \
+                                                       (! l_current_precinct->cblks.ELEMENT )                  \
+                                               {                                                                                                       \
+                                                       return OPJ_FALSE;                                                                       \
+                                               }                                                                                                       \
+                                               memset(((OPJ_BYTE *) l_current_precinct->cblks.ELEMENT) + l_current_precinct->block_size\
+                                                                               ,0                                                                      \
+                                                                               ,l_nb_code_blocks_size - l_current_precinct->block_size);\
+                                               l_current_precinct->block_size = l_nb_code_blocks_size;\
+                                       }                                                                                                               \
+                                       if                                                                                                              \
+                                               (! l_current_precinct->incltree)                                        \
+                                       {                                                                                                               \
+                        l_current_precinct->incltree = tgt_create(l_current_precinct->cw,\
+                                                                                                                                 l_current_precinct->ch);\
+                                       }                                                                                                               \
+                                       else                                                                                                    \
+                                       {                                                                                                               \
+                                               l_current_precinct->incltree = tgt_init(l_current_precinct->incltree,\
+                                                                                                                               l_current_precinct->cw, \
+                                                                                                                               l_current_precinct->ch);\
+                                       }                                                                                                               \
+                                       if                                                                                                              \
+                                               (! l_current_precinct->incltree)                                        \
+                                       {                                                                                                               \
+                                               return OPJ_FALSE;                                                                               \
+                                       }                                                                                                               \
+                                       if                                                                                                              \
+                                               (! l_current_precinct->imsbtree)                                        \
+                                       {                                                                                                               \
+                        l_current_precinct->imsbtree = tgt_create(                     \
+                                                                                                               l_current_precinct->cw,\
+                                                                                                               l_current_precinct->ch);\
+                                       }                                                                                                               \
+                                       else                                                                                                    \
+                                       {                                                                                                               \
+                                               l_current_precinct->imsbtree = tgt_init(                        \
+                                                                                                                       l_current_precinct->imsbtree,\
+                                                                                                                       l_current_precinct->cw,\
+                                                                                                                       l_current_precinct->ch);\
+                                       }                                                                                                               \
+                                       if                                                                                                              \
+                                               (! l_current_precinct->imsbtree)                                        \
+                                       {                                                                                                               \
+                                               return OPJ_FALSE;                                                                               \
+                                       }                                                                                                               \
+                                       l_code_block = l_current_precinct->cblks.ELEMENT;               \
+                                       for                                                                                                             \
+                                               (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno)       \
+                                       {                                                                                                               \
+                                               OPJ_INT32 cblkxstart = tlcblkxstart + (cblkno % l_current_precinct->cw) * (1 << cblkwidthexpn);\
+                                               OPJ_INT32 cblkystart = tlcblkystart + (cblkno / l_current_precinct->cw) * (1 << cblkheightexpn);\
+                                               OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn); \
+                                               OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn);        \
+                                               /* code-block size (global) */                                          \
+                                               l_code_block->x0 = int_max(cblkxstart, l_current_precinct->x0);\
+                                               l_code_block->y0 = int_max(cblkystart, l_current_precinct->y0);\
+                                               l_code_block->x1 = int_min(cblkxend, l_current_precinct->x1);\
+                                               l_code_block->y1 = int_min(cblkyend, l_current_precinct->y1);\
+                                               if                                                                                                      \
+                                                       (! FUNCTION_ELEMENT(l_code_block))                              \
+                                               {                                                                                                       \
+                                                       return OPJ_FALSE;                                                                       \
+                                               }                                                                                                       \
+                                               ++l_code_block;                                                                         \
+                                       }                                                                                                               \
+                                       ++l_current_precinct;                                                                   \
+                               } /* precno */                                                                                          \
+                               ++l_band;                                                                                                       \
+                               ++l_step_size;                                                                                          \
+                       } /* bandno */                                                                                                  \
+                       ++l_res;                                                                                                                \
+                       --l_level_no;                                                                                                   \
+               } /* resno */                                                                                                           \
+               ++l_tccp;                                                                                                                       \
+               ++l_tilec;                                                                                                                      \
+               ++l_image_comp;                                                                                                         \
+       } /* compno */                                                                                                                  \
+       return OPJ_TRUE;                                                                                                                        \
+}                                                                                                                                                      \
+
+// V2 ENCODE MACRO_TCD_ALLOCATE(tcd_init_encode_tile,opj_tcd_cblk_enc_t,1.f,enc,tcd_code_block_enc_allocate)
+MACRO_TCD_ALLOCATE(tcd_init_decode_tile,opj_tcd_cblk_dec_t,0.5f,dec,tcd_code_block_dec_allocate)
+
+#undef MACRO_TCD_ALLOCATE
+
+
+OPJ_UINT32 tcd_get_decoded_tile_size (
+                                                opj_tcd_v2_t *p_tcd
+                                                )
+{
+       OPJ_UINT32 i;
+       OPJ_UINT32 l_data_size = 0;
+       opj_image_comp_header_t * l_img_comp = 00;
+       opj_tcd_tilecomp_t * l_tile_comp = 00;
+       opj_tcd_resolution_t * l_res = 00;
+       OPJ_UINT32 l_size_comp, l_remaining;
+
+       l_tile_comp = p_tcd->tcd_image->tiles->comps;
+       l_img_comp = p_tcd->image_header->comps;
+       for
+               (i=0;i<p_tcd->image_header->numcomps;++i)
+       {
+               l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
+               l_remaining = l_img_comp->prec & 7;  /* (%8) */
+               if
+                       (l_remaining)
+               {
+                       ++l_size_comp;
+               }
+               if
+                       (l_size_comp == 3)
+               {
+                       l_size_comp = 4;
+               }
+               l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
+               l_data_size += l_size_comp * (l_res->x1 - l_res->x0) * (l_res->y1 - l_res->y0);
+               ++l_img_comp;
+               ++l_tile_comp;
+       }
+       return l_data_size;
+}
+
+
+opj_bool tcd_decode_tile_v2(
+                                        opj_tcd_v2_t *p_tcd,
+                                        OPJ_BYTE *p_src,
+                                        OPJ_UINT32 p_max_length,
+                                        OPJ_UINT32 p_tile_no,
+                                        opj_codestream_info_t *p_cstr_info)
+{
+       OPJ_UINT32 l_data_read;
+       p_tcd->tcd_tileno = p_tile_no;
+       p_tcd->tcp = &(p_tcd->cp->tcps[p_tile_no]);
+
+       /* INDEX >>  */
+       if(p_cstr_info) {
+               OPJ_UINT32 resno, compno, numprec = 0;
+               for (compno = 0; compno < (OPJ_UINT32) p_cstr_info->numcomps; compno++) {
+                       opj_tcp_v2_t *tcp = &p_tcd->cp->tcps[0];
+                       opj_tccp_t *tccp = &tcp->tccps[compno];
+                       opj_tcd_tilecomp_t *tilec_idx = &p_tcd->tcd_image->tiles->comps[compno];
+                       for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
+                               opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
+                               p_cstr_info->tile[p_tile_no].pw[resno] = res_idx->pw;
+                               p_cstr_info->tile[p_tile_no].ph[resno] = res_idx->ph;
+                               numprec += res_idx->pw * res_idx->ph;
+                               p_cstr_info->tile[p_tile_no].pdx[resno] = tccp->prcw[resno];
+                               p_cstr_info->tile[p_tile_no].pdy[resno] = tccp->prch[resno];
+                       }
+               }
+               p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t *) opj_malloc(p_cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
+               p_cstr_info->packno = 0;
+       }
+       /* << INDEX */
+
+       /*--------------TIER2------------------*/
+       // FIXME _ProfStart(PGROUP_T2);
+       l_data_read = 0;
+       if
+               (! tcd_t2_decode(p_tcd,p_src,&l_data_read,p_max_length,p_cstr_info))
+       {
+               return OPJ_FALSE;
+       }
+       // FIXME _ProfStop(PGROUP_T2);
+
+       /*------------------TIER1-----------------*/
+
+       // FIXME _ProfStart(PGROUP_T1);
+       if
+               (! tcd_t1_decode(p_tcd))
+       {
+               return OPJ_FALSE;
+       }
+       // FIXME _ProfStop(PGROUP_T1);
+
+       /*----------------DWT---------------------*/
+
+       // FIXME _ProfStart(PGROUP_DWT);
+       if
+               (! tcd_dwt_decode(p_tcd))
+       {
+               return OPJ_FALSE;
+       }
+       // FIXME _ProfStop(PGROUP_DWT);
+
+       /*----------------MCT-------------------*/
+       // FIXME _ProfStart(PGROUP_MCT);
+       if
+               (! tcd_mct_decode(p_tcd))
+       {
+               return OPJ_FALSE;
+       }
+       // FIXME _ProfStop(PGROUP_MCT);
+
+       // FIXME _ProfStart(PGROUP_DC_SHIFT);
+       if
+               (! tcd_dc_level_shift_decode(p_tcd))
+       {
+               return OPJ_FALSE;
+       }
+       // FIXME _ProfStop(PGROUP_DC_SHIFT);
+
+
+       /*---------------TILE-------------------*/
+       return OPJ_TRUE;
+}
+
+opj_bool tcd_update_tile_data (
+                                                opj_tcd_v2_t *p_tcd,
+                                                OPJ_BYTE * p_dest,
+                                                OPJ_UINT32 p_dest_length
+                                                )
+{
+       OPJ_UINT32 i,j,k,l_data_size = 0;
+       opj_image_comp_header_t * l_img_comp = 00;
+       opj_tcd_tilecomp_t * l_tilec = 00;
+       opj_tcd_resolution_t * l_res;
+       OPJ_UINT32 l_size_comp, l_remaining;
+       OPJ_UINT32 l_stride, l_width,l_height;
+
+       l_data_size = tcd_get_decoded_tile_size(p_tcd);
+       if
+               (l_data_size > p_dest_length)
+       {
+               return OPJ_FALSE;
+       }
+
+       l_tilec = p_tcd->tcd_image->tiles->comps;
+       l_img_comp = p_tcd->image_header->comps;
+       for
+               (i=0;i<p_tcd->image_header->numcomps;++i)
+       {
+               l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
+               l_remaining = l_img_comp->prec & 7;  /* (%8) */
+               l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
+               l_width = (l_res->x1 - l_res->x0);
+               l_height = (l_res->y1 - l_res->y0);
+               l_stride = (l_tilec->x1 - l_tilec->x0) - l_width;
+               if
+                       (l_remaining)
+               {
+                       ++l_size_comp;
+               }
+               if
+                       (l_size_comp == 3)
+               {
+                       l_size_comp = 4;
+               }
+               switch
+                       (l_size_comp)
+               {
+                       case 1:
+                               {
+                                       OPJ_CHAR * l_dest_ptr = (OPJ_CHAR *) p_dest;
+                                       const OPJ_INT32 * l_src_ptr = l_tilec->data;
+                                       if
+                                               (l_img_comp->sgnd)
+                                       {
+                                               for
+                                                       (j=0;j<l_height;++j)
+                                               {
+                                                       for
+                                                               (k=0;k<l_width;++k)
+                                                       {
+                                                               *(l_dest_ptr++) = (OPJ_CHAR) (*(l_src_ptr++));
+                                                       }
+                                                       l_src_ptr += l_stride;
+                                               }
+                                       }
+                                       else
+                                       {
+                                               for
+                                                       (j=0;j<l_height;++j)
+                                               {
+                                                       for
+                                                               (k=0;k<l_width;++k)
+                                                       {
+                                                               *(l_dest_ptr++) = (OPJ_BYTE) ((*(l_src_ptr++))&0xff);
+                                                       }
+                                                       l_src_ptr += l_stride;
+                                               }
+                                       }
+                                       p_dest = (OPJ_BYTE *)l_dest_ptr;
 
+                               }
+                               break;
+                       case 2:
+                               {
+                                       const OPJ_INT32 * l_src_ptr = l_tilec->data;
+                                       OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_dest;
+                                       if
+                                               (l_img_comp->sgnd)
+                                       {
+                                               for
+                                                       (j=0;j<l_height;++j)
+                                               {
+                                                       for
+                                                               (k=0;k<l_width;++k)
+                                                       {
+                                                               *(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++));
+                                                       }
+                                                       l_src_ptr += l_stride;
+                                               }
+                                       }
+                                       else
+                                       {
+                                               for
+                                                       (j=0;j<l_height;++j)
+                                               {
+                                                       for
+                                                               (k=0;k<l_width;++k)
+                                                       {
+                                                               *(l_dest_ptr++) = (OPJ_UINT16) ((*(l_src_ptr++))&0xffff);
+                                                       }
+                                                       l_src_ptr += l_stride;
+                                               }
+                                       }
+                                       p_dest = (OPJ_BYTE*) l_dest_ptr;
+                               }
+                               break;
+                       case 4:
+                               {
+                                       OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_dest;
+                                       OPJ_INT32 * l_src_ptr = l_tilec->data;
+                                       for
+                                               (j=0;j<l_height;++j)
+                                       {
+                                               for
+                                                       (k=0;k<l_width;++k)
+                                               {
+                                                       *(l_dest_ptr++) = (*(l_src_ptr++));
+                                               }
+                                               l_src_ptr += l_stride;
+                                       }
+                                       p_dest = (OPJ_BYTE*) l_dest_ptr;
+                               }
+                               break;
+               }
+               ++l_img_comp;
+               ++l_tilec;
+       }
+       return OPJ_TRUE;
+}
+
+
+
+
+void tcd_free_tile(opj_tcd_v2_t *p_tcd)
+{
+       OPJ_UINT32 compno, resno, bandno, precno;
+       opj_tcd_tile_t *l_tile = 00;
+       opj_tcd_tilecomp_t *l_tile_comp = 00;
+       opj_tcd_resolution_t *l_res = 00;
+       opj_tcd_band_t *l_band = 00;
+       opj_tcd_precinct_t *l_precinct = 00;
+       OPJ_UINT32 l_nb_resolutions, l_nb_precincts;
+       void (* l_tcd_code_block_deallocate) (opj_tcd_precinct_t *) = 00;
+
+       if
+               (! p_tcd)
+       {
+               return;
+       }
+       if
+               (! p_tcd->tcd_image)
+       {
+               return;
+       }
+       if
+               (p_tcd->m_is_decoder)
+       {
+               l_tcd_code_block_deallocate = tcd_code_block_dec_deallocate;
+       }
+       else
+       {
+               // FIXME l_tcd_code_block_deallocate = tcd_code_block_enc_deallocate;
+       }
+
+
+       l_tile = p_tcd->tcd_image->tiles;
+       if
+               (! l_tile)
+       {
+               return;
+       }
+       l_tile_comp = l_tile->comps;
+
+       for
+               (compno = 0; compno < l_tile->numcomps; ++compno)
+       {
+               l_res = l_tile_comp->resolutions;
+               if
+                       (l_res)
+               {
+                       l_nb_resolutions = l_tile_comp->resolutions_size / sizeof(opj_tcd_resolution_t);
+                       for
+                               (resno = 0; resno < l_nb_resolutions; ++resno)
+                       {
+                               l_band = l_res->bands;
+                               for
+                                       (bandno = 0; bandno < 3; ++bandno)
+                               {
+                                       l_precinct = l_band->precincts;
+                                       if
+                                               (l_precinct)
+                                       {
+                                               l_nb_precincts = l_band->precincts_data_size / sizeof(opj_tcd_precinct_t);
+                                               for
+                                                       (precno = 0; precno < l_nb_precincts; ++precno)
+                                               {
+                                                       tgt_destroy(l_precinct->incltree);
+                                                       l_precinct->incltree = 00;
+                                                       tgt_destroy(l_precinct->imsbtree);
+                                                       l_precinct->imsbtree = 00;
+                                                       (*l_tcd_code_block_deallocate) (l_precinct);
+                                                       ++l_precinct;
+                                               }
+                                               opj_free(l_band->precincts);
+                                               l_band->precincts = 00;
+                                       }
+                                       ++l_band;
+                               } /* for (resno */
+                               ++l_res;
+                       }
+                       opj_free(l_tile_comp->resolutions);
+                       l_tile_comp->resolutions = 00;
+               }
+               if
+                       (l_tile_comp->data)
+               {
+                       opj_aligned_free(l_tile_comp->data);
+                       l_tile_comp->data = 00;
+               }
+               ++l_tile_comp;
+       }
+       opj_free(l_tile->comps);
+       l_tile->comps = 00;
+       opj_free(p_tcd->tcd_image->tiles);
+       p_tcd->tcd_image->tiles = 00;
+}
+
+
+/**
+ * Allocates memory for a decoding code block.
+ */
+opj_bool tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block)
+{
+       OPJ_UINT32 l_seg_size;
+
+       if
+               (! p_code_block->data)
+       {
+               p_code_block->data = (OPJ_BYTE*) opj_malloc(8192);
+               if
+                       (! p_code_block->data)
+               {
+                       return OPJ_FALSE;
+               }
+               l_seg_size = J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t);
+               p_code_block->segs = (opj_tcd_seg_t *) opj_malloc(l_seg_size);
+               if
+                       (! p_code_block->segs)
+               {
+                       return OPJ_FALSE;
+               }
+               memset(p_code_block->segs,0,l_seg_size);
+               p_code_block->m_current_max_segs = J2K_DEFAULT_NB_SEGS;
+       }
+       // TODO
+       //p_code_block->numsegs = 0;
+       return OPJ_TRUE;
+}
+
+opj_bool tcd_t2_decode (
+                                       opj_tcd_v2_t *p_tcd,
+                                       OPJ_BYTE * p_src_data,
+                                       OPJ_UINT32 * p_data_read,
+                                       OPJ_UINT32 p_max_src_size,
+                                       opj_codestream_info_t *p_cstr_info
+                                       )
+{
+       opj_t2_v2_t * l_t2;
+
+       l_t2 = t2_create_v2(p_tcd->image_header, p_tcd->cp);
+       if
+               (l_t2 == 00)
+       {
+               return OPJ_FALSE;
+       }
+
+       if
+               (! t2_decode_packets_v2(
+                                       l_t2,
+                                       p_tcd->tcd_tileno,
+                                       p_tcd->tcd_image->tiles,
+                                       p_src_data,
+                                       p_data_read,
+                                       p_max_src_size,
+                                       p_cstr_info))
+       {
+               t2_destroy_v2(l_t2);
+               return OPJ_FALSE;
+       }
+       t2_destroy_v2(l_t2);
+
+       /*---------------CLEAN-------------------*/
+       return OPJ_TRUE;
+}
+
+opj_bool tcd_t1_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        )
+{
+       OPJ_UINT32 compno;
+       opj_t1_t * l_t1;
+       opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
+       opj_tcd_tilecomp_t* l_tile_comp = l_tile->comps;
+       opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
+
+
+       l_t1 = t1_create_v2();
+       if
+               (l_t1 == 00)
+       {
+               return OPJ_FALSE;
+       }
+       for
+               (compno = 0; compno < l_tile->numcomps; ++compno)
+       {
+               /* The +3 is headroom required by the vectorized DWT */
+               t1_decode_cblks(l_t1, l_tile_comp, l_tccp);
+               ++l_tile_comp;
+               ++l_tccp;
+       }
+       t1_destroy_v2(l_t1);
+       return OPJ_TRUE;
+}
+
+
+opj_bool tcd_dwt_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        )
+{
+       OPJ_UINT32 compno;
+       opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
+       opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
+       opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
+       opj_image_comp_header_t * l_img_comp = p_tcd->image_header->comps;
+
+       for
+               (compno = 0; compno < l_tile->numcomps; compno++)
+       {
+               /*
+               if (tcd->cp->reduce != 0) {
+                       tcd->image->comps[compno].resno_decoded =
+                               tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
+                       if (tcd->image->comps[compno].resno_decoded < 0)
+                       {
+                               return false;
+                       }
+               }
+               numres2decode = tcd->image->comps[compno].resno_decoded + 1;
+               if(numres2decode > 0){
+               */
+               if
+                       (l_tccp->qmfbid == 1)
+               {
+                       if
+                               (! dwt_decode(l_tile_comp, l_img_comp->resno_decoded+1))
+                       {
+                               return OPJ_FALSE;
+                       }
+               }
+               else
+               {
+                       if
+                               (! dwt_decode_real(l_tile_comp, l_img_comp->resno_decoded+1))
+                       {
+                               return OPJ_FALSE;
+                       }
+               }
+               ++l_tile_comp;
+               ++l_img_comp;
+               ++l_tccp;
+       }
+       return OPJ_TRUE;
+}
+opj_bool tcd_mct_decode (
+                                         opj_tcd_v2_t *p_tcd
+                                        )
+{
+       opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
+       opj_tcp_v2_t * l_tcp = p_tcd->tcp;
+       opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
+       OPJ_UINT32 l_samples,i;
+
+       if
+               (! l_tcp->mct)
+       {
+               return OPJ_TRUE;
+       }
+       l_samples = (l_tile_comp->x1 - l_tile_comp->x0) * (l_tile_comp->y1 - l_tile_comp->y0);
+       if
+               (l_tcp->mct == 2)
+       {
+               OPJ_BYTE ** l_data;
+               if
+                       (! l_tcp->m_mct_decoding_matrix)
+               {
+                       return OPJ_TRUE;
+               }
+               l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps*sizeof(OPJ_BYTE*));
+               if
+                       (! l_data)
+               {
+                       return OPJ_FALSE;
+               }
+               for
+                       (i=0;i<l_tile->numcomps;++i)
+               {
+                       l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
+                       ++l_tile_comp;
+               }
+               if
+                       (! mct_decode_custom(   // MCT data
+                                                               (OPJ_BYTE*) l_tcp->m_mct_decoding_matrix,
+                                                               // size of components
+                                                               l_samples,
+                                                               // components
+                                                               l_data,
+                                                               // nb of components (i.e. size of pData)
+                                                               l_tile->numcomps,
+                                                               // tells if the data is signed
+                                                               p_tcd->image_header->comps->sgnd))
+               {
+                       opj_free(l_data);
+                       return OPJ_FALSE;
+               }
+               opj_free(l_data);
+       }
+       else
+       {
+               if
+                       (l_tcp->tccps->qmfbid == 1)
+               {
+                       mct_decode(
+                                       l_tile->comps[0].data,
+                                       l_tile->comps[1].data,
+                                       l_tile->comps[2].data,
+                                       l_samples);
+               }
+               else
+               {
+                       mct_decode_real(
+                                       (float*)l_tile->comps[0].data,
+                                       (float*)l_tile->comps[1].data,
+                                       (float*)l_tile->comps[2].data,
+                                       l_samples);
+               }
+       }
+       return OPJ_TRUE;
+}
+
+
+opj_bool tcd_dc_level_shift_decode (
+                                                opj_tcd_v2_t *p_tcd
+                                                )
+{
+       OPJ_UINT32 compno;
+       opj_tcd_tilecomp_t * l_tile_comp = 00;
+       opj_tccp_t * l_tccp = 00;
+       opj_image_comp_header_t * l_img_comp = 00;
+       opj_tcd_resolution_t* l_res = 00;
+       opj_tcp_v2_t * l_tcp = 00;
+       opj_tcd_tile_t * l_tile;
+       OPJ_UINT32 l_width,l_height,i,j;
+       OPJ_INT32 * l_current_ptr;
+       OPJ_INT32 l_min, l_max;
+       OPJ_UINT32 l_stride;
+
+       l_tile = p_tcd->tcd_image->tiles;
+       l_tile_comp = l_tile->comps;
+       l_tcp = p_tcd->tcp;
+       l_tccp = p_tcd->tcp->tccps;
+       l_img_comp = p_tcd->image_header->comps;
+
+       for
+               (compno = 0; compno < l_tile->numcomps; compno++)
+       {
+               l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;
+               l_width = (l_res->x1 - l_res->x0);
+               l_height = (l_res->y1 - l_res->y0);
+               l_stride = (l_tile_comp->x1 - l_tile_comp->x0) - l_width;
+               if
+                       (l_img_comp->sgnd)
+               {
+                       l_min = -(1 << (l_img_comp->prec - 1));
+                       l_max = (1 << (l_img_comp->prec - 1)) - 1;
+               }
+               else
+               {
+            l_min = 0;
+                       l_max = (1 << l_img_comp->prec) - 1;
+               }
+               l_current_ptr = l_tile_comp->data;
+               if
+                       (l_tccp->qmfbid == 1)
+               {
+                       for
+                               (j=0;j<l_height;++j)
+                       {
+                               for
+                                       (i = 0; i < l_width; ++i)
+                               {
+                                       *l_current_ptr = int_clamp(*l_current_ptr + l_tccp->m_dc_level_shift, l_min, l_max);
+                                       ++l_current_ptr;
+                               }
+                               l_current_ptr += l_stride;
+                       }
+               }
+               else
+               {
+                       for
+                               (j=0;j<l_height;++j)
+                       {
+                               for
+                                       (i = 0; i < l_width; ++i)
+                               {
+                                       OPJ_FLOAT32 l_value = *((OPJ_FLOAT32 *) l_current_ptr);
+                                       *l_current_ptr = int_clamp(lrintf(l_value) + l_tccp->m_dc_level_shift, l_min, l_max); ;
+                                       ++l_current_ptr;
+                               }
+                               l_current_ptr += l_stride;
+                       }
+               }
+               ++l_img_comp;
+               ++l_tccp;
+               ++l_tile_comp;
+       }
+       return OPJ_TRUE;
+}
+
+
+
+/**
+ * Deallocates the encoding data of the given precinct.
+ */
+void tcd_code_block_dec_deallocate (opj_tcd_precinct_t * p_precinct)
+{
+       OPJ_UINT32 cblkno , l_nb_code_blocks;
+
+       opj_tcd_cblk_dec_t * l_code_block = p_precinct->cblks.dec;
+       if
+               (l_code_block)
+       {
+               l_nb_code_blocks = p_precinct->block_size / sizeof(opj_tcd_cblk_dec_t);
+               for
+                       (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno)
+               {
+                       if
+                               (l_code_block->data)
+                       {
+                               opj_free(l_code_block->data);
+                               l_code_block->data = 00;
+                       }
+                       if
+                               (l_code_block->segs)
+                       {
+                               opj_free(l_code_block->segs );
+                               l_code_block->segs = 00;
+                       }
+                       ++l_code_block;
+               }
+               opj_free(p_precinct->cblks.dec);
+               p_precinct->cblks.dec = 00;
+       }
+}