Merge pull request #161 from aous72/implementation_precision_bug

This fixes a bug which wrongly sets implementation precision.

Author: aous72

src/core/codestream/ojph_codeblock.cpp

@@ -64,7 +64,7 @@ namespace ojph {
 
       const param_siz* sz = codestream->get_siz();
       const param_cod* cd = codestream->get_cod(comp_num);
-      ui32 precision = cd->propose_implementation_precision(sz);
+      ui32 precision = cd->propose_precision(sz, comp_num);
       if (precision <= 32)
         allocator->pre_alloc_data<ui32>(nominal.h * (size_t)stride, 0);
       else
@@ -87,7 +87,7 @@ namespace ojph {
       ui32 comp_num = parent->get_parent()->get_comp_num();
       const param_siz* sz = codestream->get_siz();
       const param_cod* cd = codestream->get_cod(comp_num);
-      ui32 bit_depth = cd->propose_implementation_precision(sz);
+      ui32 bit_depth = cd->propose_precision(sz, comp_num);
       if (bit_depth <= 32) {
         precision = BUF32;
         this->buf32 = allocator->post_alloc_data<ui32>(this->buf_size, 0);

src/core/codestream/ojph_params.cpp

@@ -778,7 +778,7 @@ namespace ojph {
 
     //////////////////////////////////////////////////////////////////////////
     ui32 
-    param_cod::propose_implementation_precision(const param_siz* siz) const
+    param_cod::propose_precision(const param_siz* siz, ui32 comp_num) const
     {
       bool employing_color_transform = is_employing_color_transform() ? 1 : 0;
       bool reversible = atk->is_reversible();

src/core/codestream/ojph_params_local.h

@@ -524,7 +524,7 @@ namespace ojph {
       }
 
       ////////////////////////////////////////
-      ui32 propose_implementation_precision(const param_siz* siz) const;
+      ui32 propose_precision(const param_siz* siz, ui32 comp_num) const;
 
       ////////////////////////////////////////
       bool write(outfile_base *file);
@@ -578,11 +578,11 @@ namespace ojph {
       cod_SGcod SGCod;      // Used in COD and copied to COC
       cod_SPcod SPcod;      // serves as SPcod and SPcoc
       const param_cod* next;// to chain coc parameters to cod
+      const param_atk* atk; // used to read transform information
 
     private: // COC only variables
       param_cod* parent;    // parent COD structure
       ui16 comp_num;        // component index of this COC structure
-      const param_atk* atk; // useful when SPcod.wavelet_trans > 1
     };
 
     ///////////////////////////////////////////////////////////////////////////

src/core/codestream/ojph_resolution.cpp

@@ -200,7 +200,7 @@ namespace ojph {
       }
 
       const param_siz* szp = codestream->get_siz();
-      ui32 precision = cdp->propose_implementation_precision(szp);
+      ui32 precision = cdp->propose_precision(szp, comp_num);
 
       //allocate lines
       if (skipped_res_for_recon == false)
@@ -449,7 +449,7 @@ namespace ojph {
       cur_precinct_loc = point(0, 0);
 
       const param_siz* szp = codestream->get_siz();
-      ui32 precision = cdp->propose_implementation_precision(szp);
+      ui32 precision = cdp->propose_precision(szp, comp_num);
 
       //allocate lines
       if (skipped_res_for_recon == false)

src/core/codestream/ojph_subband.cpp

@@ -98,7 +98,7 @@ namespace ojph {
       //allocate line_buf
       ui32 width = band_rect.siz.w + 1;
       const param_siz* szp = codestream->get_siz();
-      ui32 precision = cdp->propose_implementation_precision(szp);
+      ui32 precision = cdp->propose_precision(szp, comp_num);
       if (precision <= 32)      
         allocator->pre_alloc_data<si32>(width, 1);
       else
@@ -141,7 +141,8 @@ namespace ojph {
         if (dfs != NULL)
           dfs = dfs->get_dfs(cdp->get_dfs_index());
       }
-      param_qcd* qcd = codestream->access_qcd(parent->get_comp_num());
+      ui32 comp_num = parent->get_comp_num();
+      param_qcd* qcd = codestream->access_qcd(comp_num);
       ui32 num_decomps = cdp->get_num_decompositions();
       this->K_max = qcd->get_Kmax(dfs, num_decomps, this->res_num, band_num);
       if (!reversible)
@@ -198,7 +199,7 @@ namespace ojph {
       //allocate line_buf
       ui32 width = band_rect.siz.w + 1;
       const param_siz* szp = codestream->get_siz();
-      ui32 precision = cdp->propose_implementation_precision(szp);
+      ui32 precision = cdp->propose_precision(szp, comp_num);
       if (precision <= 32)      
         lines->wrap(allocator->post_alloc_data<si32>(width, 1), width, 1);
       else

src/core/common/ojph_version.h

@@ -35,4 +35,4 @@
 
 #define OPENJPH_VERSION_MAJOR 0
 #define OPENJPH_VERSION_MINOR 18
-#define OPENJPH_VERSION_PATCH 1
+#define OPENJPH_VERSION_PATCH 2