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[trunk] resets code-blocks reused for other tiles than the first one (fixes issue 418)

This commit is contained in:
Antonin Descampe 2014-10-22 13:16:12 +00:00
parent ad4fad0965
commit d72940c56b
1 changed files with 16 additions and 7 deletions
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23
src/lib/openjp2/tcd.c
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@ -970,15 +970,14 @@ OPJ_BOOL FUNCTION ( opj_tcd_t *p_tcd, \
OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn); \
OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn); \
\
if (! FUNCTION_ELEMENT(l_code_block)) { \
return OPJ_FALSE; \
} \
/* code-block size (global) */ \
l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0); \
l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0); \
l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1); \
l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1); \
\
if (! FUNCTION_ELEMENT(l_code_block)) { \
return OPJ_FALSE; \
} \
++l_code_block; \
} \
++l_current_precinct; \
@ -1054,9 +1053,19 @@ OPJ_BOOL opj_tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block)
p_code_block->m_current_max_segs = OPJ_J2K_DEFAULT_NB_SEGS;
/*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/
}
/* TODO */
/*p_code_block->numsegs = 0; */
} else {
/* sanitize */
OPJ_BYTE* l_data = p_code_block->data;
OPJ_UINT32 l_data_max_size = p_code_block->data_max_size;
opj_tcd_seg_t * l_segs = p_code_block->segs;
OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs;
memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t));
p_code_block->data = l_data;
p_code_block->data_max_size = l_data_max_size;
p_code_block->segs = l_segs;
p_code_block->m_current_max_segs = l_current_max_segs;
}
return OPJ_TRUE;
}