memalloc.c

H.264编码实现

 *    which was allocated with get_mem3Dshort()
 ************************************************************************
 */
void free_mem3Dshort(short ***array3D)
{
  if (array3D)
  {
   free_mem2Dshort(*array3D);
   free (array3D);
  } 
  else
  {
    error ("free_mem3Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 4D short memory array
 *    which was allocated with get_mem4Dshort()
 ************************************************************************
 */
void free_mem4Dshort(short ****array4D)
{  
  if (array4D)
  {
    free_mem3Dshort( *array4D);
    free (array4D);
  } 
  else
  {
    error ("free_mem4Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 5D short memory array
 *    which was allocated with get_mem5Dshort()
 ************************************************************************
 */
void free_mem5Dshort(short *****array5D)
{
  if (array5D)
  {
    free_mem4Dshort( *array5D) ;
    free (array5D);
  }
  else
  {
    error ("free_mem5Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 6D short memory array
 *    which was allocated with get_mem6Dshort()
 ************************************************************************
 */
void free_mem6Dshort(short ******array6D)
{
  if (array6D)
  {
    free_mem5Dshort( *array6D);
    free (array6D);
  }
  else
  {
    error ("free_mem6Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 7D short memory array
 *    which was allocated with get_mem7Dshort()
 ************************************************************************
 */
void free_mem7Dshort(short *******array7D)
{
  if (array7D)
  {
    free_mem6Dshort( *array7D);
    free (array7D);
  }
  else
  {
    error ("free_mem7Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 2D memory array -> double array2D[rows][columns]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem2Ddouble(double ***array2D, int rows, int columns)
{
  int i;

  if((*array2D      = (double**)calloc(rows,        sizeof(double*))) == NULL)
    no_mem_exit("get_mem2Ddouble: array2D");
  
  if(((*array2D)[0] = (double* )calloc(rows*columns,sizeof(double ))) == NULL)
    no_mem_exit("get_mem2Ddouble: array2D");

  for(i=1 ; i<rows ; i++)
    (*array2D)[i] =  (*array2D)[i-1] + columns  ;

  return rows*columns*sizeof(double);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 2D memory array -> double array2D[rows][columns]
 *    Note that array is shifted towards offset allowing negative values
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem2Dodouble(double ***array2D, int rows, int columns, int offset)
{
  int i;

  if((*array2D      = (double**)calloc(rows,        sizeof(double*))) == NULL)
    no_mem_exit("get_mem2Dodouble: array2D");
  if(((*array2D)[0] = (double* )calloc(rows*columns,sizeof(double ))) == NULL)
    no_mem_exit("get_mem2Dodouble: array2D");

  (*array2D)[0] += offset;

  for(i=1 ; i<rows ; i++)
    (*array2D)[i] =  (*array2D)[i-1] + columns  ;

  return rows*columns*sizeof(double);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 3D memory double array -> double array3D[pels][rows][columns]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem3Dodouble(double ****array3D, int rows, int columns, int pels, int offset)
{
  int  i,j;

  if(((*array3D) = (double***)calloc(rows,sizeof(double**))) == NULL)
    no_mem_exit("get_mem3Dodouble: array3D");

  if(((*array3D)[0] = (double** )calloc(rows*columns,sizeof(double*))) == NULL)
    no_mem_exit("get_mem3Dodouble: array3D");

  (*array3D) [0] += offset;

  for(i=1 ; i<rows ; i++)
    (*array3D)[i] =  (*array3D)[i-1] + columns  ;

  for (i = 0; i < rows; i++)
    for (j = -offset; j < columns - offset; j++)
      if(((*array3D)[i][j] = (double* )calloc(pels,sizeof(double))) == NULL)
        no_mem_exit("get_mem3Dodouble: array3D");

  return rows*columns*pels*sizeof(double);
}


/*!
 ************************************************************************
 * \brief
 *    Allocate 2D memory array -> int array2D[rows][columns]
 *    Note that array is shifted towards offset allowing negative values
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_offset_mem2Dshort(short ***array2D, int rows, int columns, int offset_y, int offset_x)
{
  int i;

  if((*array2D      = (short**)calloc(rows, sizeof(short*))) == NULL)
    no_mem_exit("get_offset_mem2Dshort: array2D");

  if(((*array2D)[0] = (short* )calloc(rows * columns,sizeof(short))) == NULL)
    no_mem_exit("get_offset_mem2Dshort: array2D");
  (*array2D)[0] += offset_x + offset_y * columns;

  for(i=-1 ; i > -offset_y - 1; i--)
  {
    (*array2D)[i] =  (*array2D)[i+1] - columns;
  }

  for(i=1 ; i < columns - offset_y; i++)
    (*array2D)[i] =  (*array2D)[i-1] + columns;

  return rows * columns * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 3D memory int array -> int array3D[rows][columns][pels]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem3Doint(int ****array3D, int rows, int columns, int pels, int offset)
{
  int  i,j;

  if(((*array3D) = (int***)calloc(rows,sizeof(int**))) == NULL)
    no_mem_exit("get_mem3Doint: array3D");

  if(((*array3D)[0] = (int** )calloc(rows*columns,sizeof(int*))) == NULL)
    no_mem_exit("get_mem3Doint: array3D");

  (*array3D) [0] += offset;

  for(i=1 ; i<rows ; i++)
    (*array3D)[i] =  (*array3D)[i-1] + columns  ;

  for (i = 0; i < rows; i++)
    for (j = -offset; j < columns - offset; j++)
      if(((*array3D)[i][j] = (int* )calloc(pels,sizeof(int))) == NULL)
        no_mem_exit("get_mem3Doint: array3D");

  return rows*columns*pels*sizeof(int);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 2D memory array -> int array2D[rows][columns]
 *    Note that array is shifted towards offset allowing negative values
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem2Doint(int ***array2D, int rows, int columns, int offset)
{
  int i;

  if((*array2D      = (int**)calloc(rows, sizeof(int*))) == NULL)
    no_mem_exit("get_mem2Dint: array2D");
  if(((*array2D)[0] = (int* )calloc(rows*columns,sizeof(int))) == NULL)
    no_mem_exit("get_mem2Dint: array2D");

  (*array2D)[0] += offset;

  for(i=1 ; i<rows ; i++)
    (*array2D)[i] =  (*array2D)[i-1] + columns  ;

  return rows*columns*sizeof(int);
}


/*!
 ************************************************************************
 * \brief
 *    Allocate 3D memory array -> int array3D[frames][rows][columns]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
// same change as in get_mem3Dint
int get_mem3Ddouble(double ****array3D, int frames, int rows, int columns)
{
	int  j;

  double **array2D;

  get_mem2Ddouble(&array2D, frames * rows, columns);

  if(((*array3D) = (double***)calloc(frames,sizeof(double**))) == NULL)
    no_mem_exit("get_mem3Ddouble: array3D");

  for(j=0;j<frames;j++)
  {    
    (*array3D)[j] = &array2D[j * rows];
  }

  return frames*rows*columns*sizeof(double);
}

/*!
 ************************************************************************
 * \brief
 *    free 2D double memory array
 *    which was allocated with get_mem2Ddouble()
 ************************************************************************
 */
void free_mem2Ddouble(double **array2D)
{
  if (array2D)
  {
    if (*array2D)
      free (*array2D);
    else 
      error ("free_mem2Ddouble: trying to free unused memory",100);

    free (array2D);

  }
  else
  {
    error ("free_mem2Ddouble: trying to free unused memory",100);
  }
}


/*!
************************************************************************
* \brief
*    free 2D double memory array (with offset)
*    which was allocated with get_mem2Ddouble()
************************************************************************
*/
void free_mem2Dodouble(double **array2D, int offset)
{
  if (array2D)
  {
    array2D[0] -= offset;
    if (array2D[0])
      free (array2D[0]);
    else error ("free_mem2Dodouble: trying to free unused memory",100);

    free (array2D);

  } else
  {
    error ("free_mem2Dodouble: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 3D memory array with offset
 ************************************************************************
 */
void free_mem3Dodouble(double ***array3D, int rows, int columns, int offset)
{
  int i, j;

  if (array3D)
  {
    for (i = 0; i < rows; i++)
    {
      for (j = -offset; j < columns - offset; j++)
      {
        if (array3D[i][j])
          free(array3D[i][j]);
        else
          error ("free_mem3Dodouble: trying to free unused memory",100);
      }
    }
    array3D[0] -= offset;
    if (array3D[0])
      free(array3D[0]);
    else
      error ("free_mem3Dodouble: trying to free unused memory",100);
    free (array3D);
  }
  else
  {
    error ("free_mem3Dodouble: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 3D memory array with offset
 ************************************************************************
 */
void free_mem3Doint(int ***array3D, int rows, int columns, int offset)
{
  int i, j;

  if (array3D)
  {
    for (i = 0; i < rows; i++)
    {
      for (j = -offset; j < columns - offset; j++)
      {
        if (array3D[i][j])
          free(array3D[i][j]);
        else
          error ("free_mem3Doint: trying to free unused memory",100);
      }
    }
    array3D[0] -= offset;
    if (array3D[0])
      free(array3D[0]);
    else
      error ("free_mem3Doint: trying to free unused memory",100);
    free (array3D);
  }
  else
  {
    error ("free_mem3Doint: trying to free unused memory",100);
  }
}


/*!
************************************************************************
* \brief
*    free 2D double memory array (with offset)
*    which was allocated with get_mem2Ddouble()
************************************************************************
*/
void free_mem2Doint(int **array2D, int offset)
{
  if (array2D)
  {
    array2D[0] -= offset;
    if (array2D[0])
      free (array2D[0]);
    else 
      error ("free_mem2Doint: trying to free unused memory",100);

    free (array2D);

  } 
  else
  {
    error ("free_mem2Doint: trying to free unused memory",100);
  }
}

/*!
************************************************************************
* \brief
*    free 2D double memory array (with offset)
*    which was allocated with get_mem2Ddouble()
************************************************************************
*/
void free_offset_mem2Dshort(short **array2D, int columns, int offset_y, int offset_x)
{
  if (array2D)
  {
    array2D[0] -= offset_x + offset_y * columns;
    if (array2D[0])
      free (array2D[0]);
    else 
      error ("free_offset_mem2Dshort: trying to free unused memory",100);

    free (array2D);

  } 
  else
  {
    error ("free_offset_mem2Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 3D memory array
 *    which was alocated with get_mem3Dint()
 ************************************************************************
 */
void free_mem3Ddouble(double ***array3D)
{
	if (array3D)
	{
  	free_mem2Ddouble(*array3D);
		free (array3D);
	} 
	else
	{
		error ("free_mem3D: trying to free unused memory",100);
	}
}


/*!
 ************************************************************************
 * \brief
 *    Allocate 2D memory array -> LambdaParams array2D[rows][columns]
 *    Note that array is shifted towards offset allowing negative values
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem2Dolm(LambdaParams ***array2D, int rows, int columns, int offset)
{
  int i;

  if((*array2D      = (LambdaParams**) calloc(rows, sizeof(LambdaParams*))) == NULL)
    no_mem_exit("get_mem2Dolm: array2D");
  if(((*array2D)[0] = (LambdaParams* ) calloc(rows*columns,sizeof(LambdaParams))) == NULL)
    no_mem_exit("get_mem2Dolm: array2D");

  (*array2D)[0] += offset;

  for(i=1 ; i<rows ; i++)
    (*array2D)[i] =  (*array2D)[i-1] + columns  ;

  return rows*columns*sizeof(LambdaParams);
}


/*!
************************************************************************
* \brief
*    free 2D LambdaParams memory array (with offset)
*    which was allocated with get_mem2Dlm()
************************************************************************
*/
void free_mem2Dolm(LambdaParams **array2D, int offset)
{
  if (array2D)
  {
    array2D[0] -= offset;
    if (array2D[0])
      free (array2D[0]);
    else 
      error ("free_mem2Dolm: trying to free unused memory",100);

    free (array2D);

  } 
  else
  {
    error ("free_mem2Dolm: trying to free unused memory",100);
  }
}