}
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);
/* ----------------------------------------------------------------------- */
/**
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
*/
}
+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;
+ }
+}