xrif_difference_bayer.c

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/** \file xrif_difference_bayer.c
  * \brief Implementation of xrif bayer differencing
  *
  * \author Jared R. Males (jaredmales@gmail.com)
  *
  * \ingroup xrif_files
  */
 
/* This file is part of the xrif library.
 
Copyright (c) 2021 The Arizona Board of Regents on behalf of The
University of Arizona
 
All rights reserved.
 
Developed by: The Arizona Board of Regents on behalf of the
University of Arizona.
 
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that the following conditions are met:
 
1. The software is used solely for noncommercial purposes.
 
2. Redistributions of source code must retain the above copyright
notice, terms and conditions specified herein and the disclaimer
specified in Section 4 below.
 
3. Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
 
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of Arizona nor the names of other contributors may be used to
endorse or promote products derived from this software without
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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Arizona Required Clauses:
 
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consultant in any capacity of LICENSEE with respect to the subject
matter of this Agreement.
 
*/
 
#include "xrif.h"
 
#if 0
xrif_error_t xrif_difference_bayer_sint8( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
   
   for(size_t n=0; n < handle->frames; ++n)
   {
      for(size_t kk=0; kk< handle->depth; ++kk)
      {
         int8_t * rboff = (int8_t*) handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
 
         for(size_t nn = 0; nn < npix-1; ++nn)
         {
            rboff[npix - nn - 1] -= rboff[npix - nn - 2];
         }   
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }  
   
   return XRIF_NOERROR;
   
} //xrif_difference_bayer_sint8
#endif
 
xrif_error_t xrif_difference_bayer_sint16( xrif_t handle )
{
   size_t wid = handle->width;
   size_t hgt = handle->height;
   size_t npix = handle->width*handle->height;
   
   for(size_t n=0; n < handle->frames; ++n)
   {
      for(size_t kk=0; kk< handle->depth; ++kk)
      {
         int16_t * rboff = (int16_t*) handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
         for(size_t rr=0; rr < hgt; ++rr)
         {
            int16_t * row = rboff + rr*wid;
 
            for(size_t nn = 0; nn < wid-2; nn+=2)
            {
               row[wid - nn - 1] -= row[wid - nn - 3];
               row[wid - nn - 2] -= row[wid - nn - 4];
            }
 
         }
         #ifndef XRIF_NO_OMP
         }
         #endif
/*
         for(size_t cc=0; cc < 2; ++cc)
         {
            for(size_t rr=0; rr < hgt; rr+=2)
            {
               rboff[(rr-2)*wid + cc] -= rboff[rr*wid + cc];
            }
         }*/
      }
   }  
   
   return XRIF_NOERROR;
   
} //xrif_difference_bayer_sint16
 
#if 0
xrif_error_t xrif_difference_bayer_sint32( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
   
   for(size_t n=0; n < handle->frames; ++n)
   {
      for(size_t kk=0; kk< handle->depth; ++kk)
      {
         int32_t * rboff = (int32_t*) handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
 
         for(size_t nn = 0; nn < npix-1; ++nn)
         {
            rboff[npix - nn - 1] -= rboff[npix - nn - 2];
         }   
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }  
   
   return XRIF_NOERROR;
   
} //xrif_difference_bayer_sint32
 
xrif_error_t xrif_difference_bayer_sint64( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
   
   for(size_t n=0; n < handle->frames; ++n)
   {
      for(size_t kk=0; kk< handle->depth; ++kk)
      {
         int64_t * rboff = (int64_t*) handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
 
         for(size_t nn = 0; nn < npix-1; ++nn)
         {
            rboff[npix - nn - 1] -= rboff[npix - nn - 2];
         }   
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }  
   
   return XRIF_NOERROR;
   
} //xrif_difference_bayer_sint64
 
#endif
//Dispatch differencing w.r.t. previous according to type
xrif_error_t xrif_difference_bayer( xrif_t handle )
{
   if( handle == NULL) 
   {
      XRIF_ERROR_PRINT("xrif_difference_bayer", "can not use a null pointer");
      return XRIF_ERROR_NULLPTR;
   }
   
   if( handle->raw_buffer == NULL || handle->width*handle->height*handle->depth*handle->frames == 0 || handle->type_code == 0)
   {
      XRIF_ERROR_PRINT("xrif_difference_bayer", "handle not set up");
      return XRIF_ERROR_NOT_SETUP;
   }
      
   if(handle->raw_buffer_size < handle->width*handle->height*handle->depth*handle->frames)
   {
      XRIF_ERROR_PRINT("xrif_difference_bayer", "raw buffer size not sufficient");
      return XRIF_ERROR_INSUFFICIENT_SIZE;
   }
   
   #if 0
   if(handle->type_code == XRIF_TYPECODE_INT8 || handle->type_code == XRIF_TYPECODE_UINT8)
   {
      return xrif_difference_bayer_sint8(handle);
   }
   #endif
   if(handle->type_code == XRIF_TYPECODE_INT16 || handle->type_code == XRIF_TYPECODE_UINT16)
   {
      return xrif_difference_bayer_sint16(handle);
   }
   #if 0
   else if(handle->type_code == XRIF_TYPECODE_INT32 || handle->type_code == XRIF_TYPECODE_UINT32)
   {
      return xrif_difference_bayer_sint32(handle);
   }
   else if(handle->type_code == XRIF_TYPECODE_INT64 || handle->type_code == XRIF_TYPECODE_UINT64)
   {
      return xrif_difference_bayer_sint64(handle);
   }
   else
   {
      XRIF_ERROR_PRINT("xrif_difference_bayer", "previous differencing not implemented for type");
      return XRIF_ERROR_NOTIMPL;
   }
   #endif
 
} //xrif_difference_bayer
 
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// undifferencing
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
#if 0
xrif_error_t xrif_undifference_pixel_sint8( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
               
   for(int n=0; n < handle->frames; ++n)
   {
      for(int kk=0; kk< handle->depth; ++kk)
      {
         int8_t * rboff = (int8_t*)handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
            
         for(int nn = 1; nn < npix; ++nn)
         {
            rboff[nn] += rboff[nn-1] ;
         }    
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }
   
   return XRIF_NOERROR;
   
}//xrif_undifference_pixel_sint8
 
xrif_error_t xrif_undifference_pixel_sint16( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
               
   for(int n=0; n < handle->frames; ++n)
   {
      for(int kk=0; kk< handle->depth; ++kk)
      {
         int16_t * rboff = (int16_t*)handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
            
         for(int nn = 1; nn < npix; ++nn)
         {
            rboff[nn] += rboff[nn-1] ;
         }    
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }
   
   return XRIF_NOERROR;
   
}//xrif_undifference_pixel_sint16
 
xrif_error_t xrif_undifference_pixel_sint32( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
               
   for(int n=0; n < handle->frames; ++n)
   {
      for(int kk=0; kk< handle->depth; ++kk)
      {
         int32_t * rboff = (int32_t*)handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
            
         for(int nn = 1; nn < npix; ++nn)
         {
            rboff[nn] += rboff[nn-1] ;
         }    
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }
   
   return XRIF_NOERROR;
   
} //xrif_undifference_pixel_sint32
 
xrif_error_t xrif_undifference_pixel_sint64( xrif_t handle )
{
   size_t npix = handle->width*handle->height;
               
   for(int n=0; n < handle->frames; ++n)
   {
      for(int kk=0; kk< handle->depth; ++kk)
      {
         int64_t * rboff = (int64_t*)handle->raw_buffer + n * npix * handle->depth + kk*npix;
         
         #ifndef XRIF_NO_OMP
         #pragma omp parallel if (handle->omp_parallel > 0) 
         {
         #endif
   
         #ifndef XRIF_NO_OMP
         #pragma omp for
         #endif
            
         for(int nn = 1; nn < npix; ++nn)
         {
            rboff[nn] += rboff[nn-1] ;
         }    
         
         #ifndef XRIF_NO_OMP
         }
         #endif
      }
   }
   
   return XRIF_NOERROR;
   
}//xrif_undifference_pixel_sint64
 
 
//Dispatch undifferencing w.r.t. previous according to type
xrif_error_t xrif_undifference_pixel( xrif_t handle )
{
   if( handle == NULL) 
   {
      XRIF_ERROR_PRINT("xrif_undifference_pixel", "can not use a null pointer");
      return XRIF_ERROR_NULLPTR;
   }
   
   if( handle->raw_buffer == NULL || handle->width*handle->height*handle->depth*handle->frames == 0 || handle->type_code == 0)
   {
      XRIF_ERROR_PRINT("xrif_undifference_pixel", "handle not set up");
      return XRIF_ERROR_NOT_SETUP;
   }
      
   if(handle->raw_buffer_size < handle->width*handle->height*handle->depth*handle->frames)
   {
      XRIF_ERROR_PRINT("xrif_undifference_pixel", "raw buffer size not sufficient");
      return XRIF_ERROR_INSUFFICIENT_SIZE;
   }
   
   if(handle->type_code == XRIF_TYPECODE_INT8 || handle->type_code == XRIF_TYPECODE_UINT8)
   {
      return xrif_undifference_pixel_sint8(handle);
   }
   if(handle->type_code == XRIF_TYPECODE_INT16 || handle->type_code == XRIF_TYPECODE_UINT16)
   {
      return xrif_undifference_pixel_sint16(handle);
   }
   else if(handle->type_code == XRIF_TYPECODE_INT32 || handle->type_code == XRIF_TYPECODE_UINT32)
   {
      return xrif_undifference_pixel_sint32(handle);
   }
   else if(handle->type_code == XRIF_TYPECODE_INT64 || handle->type_code == XRIF_TYPECODE_UINT64)
   {
      return xrif_undifference_pixel_sint64(handle);
   }
   else
   {
      XRIF_ERROR_PRINT("xrif_difference_bayer", "previous undifferencing not implemented for type");
      return XRIF_ERROR_NULLPTR;
   }
} //xrif_undifference_pixel
 
#endif