static void j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
+/**
+ * Reads a CBD marker (Component bit depth definition)
+ * @param p_header_data the data contained in the CBD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the CBD marker.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_read_cbd ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager);
/**
*
* @return true if the image header is correctly copy.
*/
-static opj_bool j2k_copy_img_header(opj_j2k_v2_t* p_j2k, opj_image_t* p_image);
+static opj_bool j2k_copy_img_header(opj_j2k_v2_t* p_j2k, opj_image_t** p_image);
static void j2k_dump_MH_info(opj_j2k_v2_t* p_j2k, FILE* out_stream);
{J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg_v2},
{J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com_v2},
{J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mct},
- /*FIXME MSD {J2K_MS_CBD, J2K_STATE_MH , j2k_read_cbd},
- */{J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mcc},
+ {J2K_MS_CBD, J2K_STATE_MH , j2k_read_cbd},
+ {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mcc},
{J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_mco},
#ifdef USE_JPWL
#ifdef TODO_MS /* FIXME */
return OPJ_TRUE;
}
+/**
+ * Reads a CBD marker (Component bit depth definition)
+ * @param p_header_data the data contained in the CBD box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the CBD marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_cbd ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 l_nb_comp,l_num_comp;
+ OPJ_UINT32 l_comp_def;
+ OPJ_UINT32 i;
+ opj_image_comp_t * l_comp = 00;
+
+ /* preconditions */
+ assert(p_header_data != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_num_comp = p_j2k->m_image->numcomps;
+
+ if (p_header_size != (p_j2k->m_image->numcomps + 2)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(p_header_data,&l_nb_comp,2); /* Ncbd */
+ p_header_data+=2;
+
+ if (l_nb_comp != l_num_comp) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
+ return OPJ_FALSE;
+ }
+
+ l_comp = p_j2k->m_image->comps;
+ for (i=0;i<l_num_comp;++i) {
+ opj_read_bytes(p_header_data,&l_comp_def,1); /* Component bit depth */
+ ++p_header_data;
+ l_comp->sgnd = (l_comp_def>>7) & 1;
+ l_comp->prec = (l_comp_def&0x7f) + 1;
+ ++l_comp;
+ }
+
+ return OPJ_TRUE;
+}
/* ----------------------------------------------------------------------- */
*/
opj_bool j2k_read_header( struct opj_stream_private *p_stream,
opj_j2k_v2_t* p_j2k,
- opj_image_t* p_image,
+ opj_image_t** p_image,
struct opj_event_mgr* p_manager )
{
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
- assert(p_image != 00);
assert(p_manager != 00);
/* create an empty image header */
return OPJ_FALSE;
}
+ *p_image = opj_image_create0();
+ if (! (*p_image)) {
+ return OPJ_FALSE;
+ }
+
if (! j2k_copy_img_header(p_j2k, p_image)){
opj_image_destroy(p_j2k->m_image);
p_j2k->m_image = NULL;
return OPJ_TRUE;
}
-opj_bool j2k_copy_img_header(opj_j2k_v2_t* p_j2k, opj_image_t* p_image)
+opj_bool j2k_copy_img_header(opj_j2k_v2_t* p_j2k, opj_image_t** p_image)
{
OPJ_UINT16 compno;
/* preconditions */
assert(p_j2k != 00);
- assert(p_image != 00);
- p_image->x0 = p_j2k->m_image->x0;
- p_image->y0 = p_j2k->m_image->y0;
- p_image->x1 = p_j2k->m_image->x1;
- p_image->y1 = p_j2k->m_image->y1;
+ (*p_image)->x0 = p_j2k->m_image->x0;
+ (*p_image)->y0 = p_j2k->m_image->y0;
+ (*p_image)->x1 = p_j2k->m_image->x1;
+ (*p_image)->y1 = p_j2k->m_image->y1;
- p_image->numcomps = p_j2k->m_image->numcomps;
- p_image->comps = (opj_image_comp_t*)opj_malloc(p_image->numcomps * sizeof(opj_image_comp_t));
- if (!p_image->comps)
+ (*p_image)->numcomps = p_j2k->m_image->numcomps;
+ (*p_image)->comps = (opj_image_comp_t*)opj_malloc((*p_image)->numcomps * sizeof(opj_image_comp_t));
+ if (!(*p_image)->comps)
return OPJ_FALSE;
- for (compno=0; compno < p_image->numcomps; compno++){
- memcpy( &(p_image->comps[compno]),
+ for (compno=0; compno < (*p_image)->numcomps; compno++){
+ memcpy( &((*p_image)->comps[compno]),
&(p_j2k->m_image->comps[compno]),
sizeof(opj_image_comp_t));
}
- p_image->color_space = p_j2k->m_image->color_space;
- p_image->icc_profile_len = p_j2k->m_image->icc_profile_len;
- if (!p_image->icc_profile_len) {
+ (*p_image)->color_space = p_j2k->m_image->color_space;
+ (*p_image)->icc_profile_len = p_j2k->m_image->icc_profile_len;
+ if (!(*p_image)->icc_profile_len) {
- p_image->icc_profile_buf = (unsigned char*)opj_malloc(p_image->icc_profile_len);
- if (!p_image->icc_profile_buf)
+ (*p_image)->icc_profile_buf = (unsigned char*)opj_malloc((*p_image)->icc_profile_len);
+ if (!(*p_image)->icc_profile_buf)
return OPJ_FALSE;
- memcpy( p_image->icc_profile_buf,
+ memcpy( (*p_image)->icc_profile_buf,
p_j2k->m_image->icc_profile_buf,
p_j2k->m_image->icc_profile_len);
}
else
- p_image->icc_profile_buf = NULL;
+ (*p_image)->icc_profile_buf = NULL;
return OPJ_TRUE;
}
tcd_destroy_v2(p_j2k->m_tcd);
j2k_cp_destroy(&(p_j2k->m_cp));
- memset(&(p_j2k->m_cp),0,sizeof(opj_cp_t));
+ memset(&(p_j2k->m_cp),0,sizeof(opj_cp_v2_t));
opj_procedure_list_destroy(p_j2k->m_procedure_list);
p_j2k->m_procedure_list = 00;
j2k_destroy_cstr_index(p_j2k->cstr_index);
p_j2k->cstr_index = NULL;
+ opj_image_destroy(p_j2k->m_image);
+ p_j2k->m_image = NULL;
+
opj_free(p_j2k);
}
void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
{
- if (!p_cstr_ind) {
- return;
- }
+ if (p_cstr_ind) {
- if (p_cstr_ind->marker) {
- opj_free(p_cstr_ind->marker);
- p_cstr_ind->marker = NULL;
- }
+ if (p_cstr_ind->marker) {
+ opj_free(p_cstr_ind->marker);
+ p_cstr_ind->marker = NULL;
+ }
- if (p_cstr_ind->tile_index) {
- // FIXME
+ if (p_cstr_ind->tile_index) {
+ // FIXME not used for the moment
+ }
+
+ opj_free(p_cstr_ind);
}
}
cstr_info->tw = p_j2k->m_cp.tw;
cstr_info->th = p_j2k->m_cp.th;
+ cstr_info->tile_info = NULL; /* Not fill from the main header*/
+
l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
cstr_info->m_default_tile_info.csty = l_default_tile->csty;
memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker, l_cstr_index->marknum * sizeof(opj_marker_info_t) );
+ l_cstr_index->tile_index = NULL; /* FIXME not used for the moment*/
return l_cstr_index;
}
{
OPJ_UINT32 compno;
+ if (!p_image)
+ return OPJ_FALSE;
+
/* customization of the decoding */
j2k_setup_decoding(p_j2k);
- /* write header */
+ /* Decode the codestream */
if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
opj_image_destroy(p_j2k->m_image);
p_j2k->m_image = NULL;
return OPJ_FALSE;
}
+ /* Copy data from codec to output image*/
for (compno = 0; compno < p_image->numcomps; compno++) {
p_image->comps[compno].data = p_j2k->m_image->comps[compno].data;
p_j2k->m_image->comps[compno].data = NULL;
}
- return OPJ_TRUE /*p_j2k->m_image*/;
+ return OPJ_TRUE;
}
projects / openjpeg.git / blobdiff