memalloc.c

H.264编码实现

 *    which was allocated with get_mem2Dint()
 ************************************************************************
 */
void free_mem2Dint(int **array2D)
{
  if (array2D)
  {
    if (*array2D)
      free (*array2D);
    else 
      error ("free_mem2Dint: trying to free unused memory",100);

    free (array2D);
  } 
  else
  {
    error ("free_mem2Dint: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 2D memory array
 *    which was allocated with get_mem2Dint64()
 ************************************************************************
 */
void free_mem2Dint64(int64 **array2D)
{
  if (array2D)
  {
    if (*array2D)
      free (*array2D);
    else 
      error ("free_mem2Dint64: trying to free unused memory",100);
    free (array2D);
  } 
  else
  {
    error ("free_mem2Dint64: trying to free unused memory",100);
  }
}


/*!
 ************************************************************************
 * \brief
 *    free 3D memory array
 *    which was allocated with get_mem3D()
 ************************************************************************
 */
void free_mem3D(byte ***array3D)
{
  if (array3D)
  {
   free_mem2D(*array3D);
   free (array3D);
  } 
  else
  {
    error ("free_mem3D: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 3D memory array
 *    which was allocated with get_mem3Dint()
 ************************************************************************
 */
void free_mem3Dint(int ***array3D)
{
  if (array3D)
  {
   free_mem2Dint(*array3D);
   free (array3D);
  } 
  else
  {
    error ("free_mem3Dint: trying to free unused memory",100);
  }
}


/*!
 ************************************************************************
 * \brief
 *    free 3D memory array
 *    which was allocated with get_mem3Dint64()
 ************************************************************************
 */
void free_mem3Dint64(int64 ***array3D)
{
  if (array3D)
  {
   free_mem2Dint64(*array3D);
   free (array3D);
  } 
  else
  {
    error ("free_mem3Dint64: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 4D memory array
 *    which was allocated with get_mem4Dint()
 ************************************************************************
 */
void free_mem4Dint(int ****array4D)
{
  if (array4D)
  {
    free_mem3Dint( *array4D);
    free (array4D);
  } else
  {
    error ("free_mem4Dint: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 5D int memory array
 *    which was allocated with get_mem5Dint()
 ************************************************************************
 */
void free_mem5Dint(int *****array5D)
{
  if (array5D)
  {
    free_mem4Dint( *array5D);
    free (array5D);
  } else
  {
    error ("free_mem5Dint: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    Exit program if memory allocation failed (using error())
 * \param where
 *    string indicating which memory allocation failed
 ************************************************************************
 */
void no_mem_exit(char *where)
{
   snprintf(errortext, ET_SIZE, "Could not allocate memory: %s",where);
   error (errortext, 100);
}


/*!
 ************************************************************************
 * \brief
 *    Allocate 2D short memory array -> short array2D[rows][columns]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem2Dshort(short ***array2D, int dim0, int dim1)
{
  int i;

  if((  *array2D  = (short**)calloc(dim0,       sizeof(short*))) == NULL)
    no_mem_exit("get_mem2Dshort: array2D");
  if((*(*array2D) = (short* )calloc(dim0 * dim1,sizeof(short ))) == NULL)
    no_mem_exit("get_mem2Dshort: array2D");

  for(i = 1; i < dim0; i++)
    (*array2D)[i] = (*array2D)[i-1] + dim1;

  return dim0 * dim1 * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 3D memory short array -> short array3D[frames][rows][columns]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem3Dshort(short ****array3D,int dim0, int dim1, int dim2)
{
  int  i;

  if(((*array3D) = (short***)calloc(dim0, sizeof(short**))) == NULL)
    no_mem_exit("get_mem3Dshort: array3D");

  get_mem2Dshort(*array3D, dim0 * dim1, dim2);

  for(i = 1; i < dim0; i++)
    (*array3D)[i] =  (*array3D)[i-1] + dim1;

  return dim0 * dim1 * dim2 * sizeof(short);
}


/*!
 ************************************************************************
 * \brief
 *    Allocate 4D memory short array -> short array3D[frames][rows][columns][component]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem4Dshort(short *****array4D, int dim0, int dim1, int dim2, int dim3)
{
  int  i;

  if(((*array4D) = (short****)calloc(dim0, sizeof(short***))) == NULL)
    no_mem_exit("get_mem4Dshort: array4D");

  get_mem3Dshort(*array4D, dim0 * dim1, dim2, dim3);

  for(i = 1; i < dim0; i++)
    (*array4D)[i] =  (*array4D)[i-1] + dim1;

  return dim0 * dim1 * dim2 * dim3 * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 5D memory array -> short array5D[refs][blocktype][rows][columns][component]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem5Dshort(short ******array5D, int dim0, int dim1, int dim2, int dim3, int dim4)
{
  int  i;

  if(((*array5D) = (short*****)calloc(dim0, sizeof(short****))) == NULL)
    no_mem_exit("get_mem5Dshort: array5D");

  get_mem4Dshort(*array5D, dim0 * dim1, dim2, dim3, dim4);

  for(i = 1; i < dim0; i++)
    (*array5D)[i] =  (*array5D)[i-1] + dim1;

  return dim0 * dim1 * dim2 * dim3 * dim4 * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 6D memory array -> short array6D[list][refs][blocktype][rows][columns][component]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem6Dshort(short *******array6D, int dim0, int dim1, int dim2, int dim3, int dim4, int dim5)
{
  int  i;

  if(((*array6D) = (short******)calloc(dim0, sizeof(short*****))) == NULL)
    no_mem_exit("get_mem6Dshort: array6D");

  get_mem5Dshort(*array6D, dim0 * dim1, dim2, dim3, dim4, dim5);

  for(i = 1; i < dim0; i++)
    (*array6D)[i] =  (*array6D)[i-1] + dim1;

  return dim0 * dim1 * dim2 * dim3 * dim4 * dim5 * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    Allocate 7D memory array -> short array7D[list][refs][blocktype][rows][columns][component]
 *
 * \par Output:
 *    memory size in bytes
 ************************************************************************
 */
int get_mem7Dshort(short ********array7D, int dim0, int dim1, int dim2, int dim3, int dim4, int dim5, int dim6)
{
  int  i;

  if(((*array7D) = (short*******)calloc(dim0, sizeof(short******))) == NULL)
    no_mem_exit("get_mem7Dshort: array7D");

  get_mem6Dshort(*array7D, dim0 * dim1, dim2, dim3, dim4, dim5, dim6);

  for(i = 1; i < dim0; i++)
    (*array7D)[i] =  (*array7D)[i-1] + dim1;

  return dim0 * dim1 * dim2 * dim3 * dim4 * dim5 * dim6 * sizeof(short);
}

/*!
 ************************************************************************
 * \brief
 *    free 2D short memory array
 *    which was allocated with get_mem2Dshort()
 ************************************************************************
 */
void free_mem2Dshort(short **array2D)
{
  if (array2D)
  {
    if (*array2D)
      free (*array2D);
    else error ("free_mem2Dshort: trying to free unused memory",100);

    free (array2D);
  } 
  else
  {
    error ("free_mem2Dshort: trying to free unused memory",100);
  }
}

/*!
 ************************************************************************
 * \brief
 *    free 3D short memory array
 *    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()
 ************************************************************************
 */