| |
| /*! |
| ************************************************************************ |
| * \file memalloc.c |
| * |
| * \brief |
| * Memory allocation and free helper funtions |
| * |
| * \author |
| * Main contributors (see contributors.h for copyright, address and affiliation details) |
| ************************************************************************ |
| */ |
| |
| #include <stdlib.h> |
| #include "memalloc.h" |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 2D memory array -> imgpel array2D[rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************/ |
| int get_mem2Dpel(imgpel ***array2D, int rows, int columns) |
| { |
| int i; |
| |
| if((*array2D = (imgpel**)calloc(rows, sizeof(imgpel*))) == NULL) |
| no_mem_exit("get_mem2Dpel: array2D"); |
| if(((*array2D)[0] = (imgpel* )calloc(rows*columns,sizeof(imgpel ))) == NULL) |
| no_mem_exit("get_mem2Dpel: array2D"); |
| |
| for(i=1 ; i<rows ; i++) |
| (*array2D)[i] = (*array2D)[i-1] + columns ; |
| |
| return rows*columns*sizeof(imgpel); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 3D memory array -> imgpel array3D[frames][rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| int get_mem3Dpel(imgpel ****array3D, int frames, int rows, int columns) |
| { |
| int j; |
| |
| if(((*array3D) = (imgpel***)calloc(frames,sizeof(imgpel**))) == NULL) |
| no_mem_exit("get_mem3Dpel: array3D"); |
| |
| for(j=0;j<frames;j++) |
| get_mem2Dpel( (*array3D)+j, rows, columns ) ; |
| |
| return frames*rows*columns*sizeof(imgpel); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 2D memory array |
| * which was alocated with get_mem2Dpel() |
| ************************************************************************ |
| */ |
| void free_mem2Dpel(imgpel **array2D) |
| { |
| if (array2D) |
| { |
| if (array2D[0]) |
| free (array2D[0]); |
| else error ("free_mem2Dpel: trying to free unused memory",100); |
| |
| free (array2D); |
| } else |
| { |
| error ("free_mem2Dpel: trying to free unused memory",100); |
| } |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 3D memory array |
| * which was alocated with get_mem3Dpel() |
| ************************************************************************ |
| */ |
| void free_mem3Dpel(imgpel ***array3D, int frames) |
| { |
| int i; |
| |
| if (array3D) |
| { |
| for (i=0;i<frames;i++) |
| { |
| free_mem2Dpel(array3D[i]); |
| } |
| free (array3D); |
| } else |
| { |
| error ("free_mem3Dpel: trying to free unused memory",100); |
| } |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 2D memory array -> unsigned char array2D[rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************/ |
| // Change 9-Aug-2001 P. List: dont allocate independant row arrays anymore |
| // but one complete array and move row-pointers to array. Now you can step |
| // to the next line with an offset of img->width |
| int get_mem2D(byte ***array2D, int rows, int columns) |
| { |
| int i; |
| |
| if((*array2D = (byte**)calloc(rows, sizeof(byte*))) == NULL) |
| no_mem_exit("get_mem2D: array2D"); |
| if(((*array2D)[0] = (byte* )calloc(columns*rows,sizeof(byte ))) == NULL) |
| no_mem_exit("get_mem2D: array2D"); |
| |
| for(i=1;i<rows;i++) |
| (*array2D)[i] = (*array2D)[i-1] + columns ; |
| |
| return rows*columns; |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 2D memory array -> int array2D[rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem2Dint(int ***array2D, int rows, int columns) |
| { |
| 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"); |
| |
| for(i=1 ; i<rows ; i++) |
| (*array2D)[i] = (*array2D)[i-1] + columns ; |
| |
| return rows*columns*sizeof(int); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 2D memory array -> int64 array2D[rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem2Dint64(int64 ***array2D, int rows, int columns) |
| { |
| int i; |
| |
| if((*array2D = (int64**)calloc(rows, sizeof(int64*))) == NULL) |
| no_mem_exit("get_mem2Dint64: array2D"); |
| if(((*array2D)[0] = (int64* )calloc(rows*columns,sizeof(int64 ))) == NULL) |
| no_mem_exit("get_mem2Dint64: array2D"); |
| |
| for(i=1 ; i<rows ; i++) |
| (*array2D)[i] = (*array2D)[i-1] + columns ; |
| |
| return rows*columns*sizeof(int64); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 3D memory array -> unsigned char array3D[frames][rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem3D(byte ****array3D, int frames, int rows, int columns) |
| { |
| int j; |
| |
| if(((*array3D) = (byte***)calloc(frames,sizeof(byte**))) == NULL) |
| no_mem_exit("get_mem3D: array3D"); |
| |
| for(j=0;j<frames;j++) |
| get_mem2D( (*array3D)+j, rows, columns ) ; |
| |
| return frames*rows*columns; |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 3D memory array -> int array3D[frames][rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem3Dint(int ****array3D, int frames, int rows, int columns) |
| { |
| int j; |
| |
| if(((*array3D) = (int***)calloc(frames,sizeof(int**))) == NULL) |
| no_mem_exit("get_mem3Dint: array3D"); |
| |
| for(j=0;j<frames;j++) |
| get_mem2Dint( (*array3D)+j, rows, columns ) ; |
| |
| return frames*rows*columns*sizeof(int); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 3D memory array -> int64 array3D[frames][rows][columns] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem3Dint64(int64 ****array3D, int frames, int rows, int columns) |
| { |
| int j; |
| |
| if(((*array3D) = (int64***)calloc(frames,sizeof(int64**))) == NULL) |
| no_mem_exit("get_mem3Dint64: array3D"); |
| |
| for(j=0;j<frames;j++) |
| get_mem2Dint64( (*array3D)+j, rows, columns ) ; |
| |
| return frames*rows*columns*sizeof(int64); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Allocate 4D memory array -> int array3D[frames][rows][columns][component] |
| * |
| * \par Output: |
| * memory size in bytes |
| ************************************************************************ |
| */ |
| // same change as in get_mem2Dint |
| int get_mem4Dint(int *****array4D, int idx, int frames, int rows, int columns ) |
| { |
| int j; |
| |
| if(((*array4D) = (int****)calloc(idx,sizeof(int**))) == NULL) |
| no_mem_exit("get_mem4Dint: array4D"); |
| |
| for(j=0;j<idx;j++) |
| get_mem3Dint( (*array4D)+j, frames, rows, columns ) ; |
| |
| return idx*frames*rows*columns*sizeof(int); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 2D memory array |
| * which was alocated with get_mem2D() |
| ************************************************************************ |
| */ |
| void free_mem2D(byte **array2D) |
| { |
| if (array2D) |
| { |
| if (array2D[0]) |
| free (array2D[0]); |
| else error ("free_mem2D: trying to free unused memory",100); |
| |
| free (array2D); |
| } else |
| { |
| error ("free_mem2D: trying to free unused memory",100); |
| } |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 2D memory array |
| * which was alocated with get_mem2Dint() |
| ************************************************************************ |
| */ |
| void free_mem2Dint(int **array2D) |
| { |
| if (array2D) |
| { |
| if (array2D[0]) |
| free (array2D[0]); |
| 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 alocated with get_mem2Dint64() |
| ************************************************************************ |
| */ |
| void free_mem2Dint64(int64 **array2D) |
| { |
| if (array2D) |
| { |
| if (array2D[0]) |
| free (array2D[0]); |
| 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 alocated with get_mem3D() |
| ************************************************************************ |
| */ |
| void free_mem3D(byte ***array3D, int frames) |
| { |
| int i; |
| |
| if (array3D) |
| { |
| for (i=0;i<frames;i++) |
| { |
| free_mem2D(array3D[i]); |
| } |
| free (array3D); |
| } else |
| { |
| error ("free_mem3D: trying to free unused memory",100); |
| } |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 3D memory array |
| * which was alocated with get_mem3Dint() |
| ************************************************************************ |
| */ |
| void free_mem3Dint(int ***array3D, int frames) |
| { |
| int i; |
| |
| if (array3D) |
| { |
| for (i=0;i<frames;i++) |
| { |
| free_mem2Dint(array3D[i]); |
| } |
| free (array3D); |
| } else |
| { |
| error ("free_mem3D: trying to free unused memory",100); |
| } |
| } |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 3D memory array |
| * which was alocated with get_mem3Dint64() |
| ************************************************************************ |
| */ |
| void free_mem3Dint64(int64 ***array3D, int frames) |
| { |
| int i; |
| |
| if (array3D) |
| { |
| for (i=0;i<frames;i++) |
| { |
| free_mem2Dint64(array3D[i]); |
| } |
| free (array3D); |
| } else |
| { |
| error ("free_mem3Dint64: trying to free unused memory",100); |
| } |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 4D memory array |
| * which was alocated with get_mem4Dint() |
| ************************************************************************ |
| */ |
| void free_mem4Dint(int ****array4D, int idx, int frames ) |
| { |
| int j; |
| |
| if (array4D) |
| { |
| for(j=0;j<idx;j++) |
| free_mem3Dint( array4D[j], frames) ; |
| free (array4D); |
| } else |
| { |
| error ("free_mem4D: 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 rows, int columns) |
| { |
| int i; |
| |
| if((*array2D = (short**)calloc(rows, sizeof(short*))) == NULL) |
| no_mem_exit("get_mem2Dshort: array2D"); |
| if(((*array2D)[0] = (short* )calloc(rows*columns,sizeof(short ))) == NULL) |
| no_mem_exit("get_mem2Dshort: array2D"); |
| |
| for(i=1 ; i<rows ; i++) |
| (*array2D)[i] = (*array2D)[i-1] + columns ; |
| |
| return rows*columns*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 frames, int rows, int columns) |
| { |
| int j; |
| |
| if(((*array3D) = (short***)calloc(frames,sizeof(short**))) == NULL) |
| no_mem_exit("get_mem3Dshort: array3D"); |
| |
| for(j=0;j<frames;j++) |
| get_mem2Dshort( (*array3D)+j, rows, columns ) ; |
| |
| return frames*rows*columns*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 idx, int frames, int rows, int columns ) |
| { |
| int j; |
| |
| if(((*array4D) = (short****)calloc(idx,sizeof(short**))) == NULL) |
| no_mem_exit("get_mem4Dshort: array4D"); |
| |
| for(j=0;j<idx;j++) |
| get_mem3Dshort( (*array4D)+j, frames, rows, columns ) ; |
| |
| return idx*frames*rows*columns*sizeof(short); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * free 2D short memory array |
| * which was allocated with get_mem2Dshort() |
| ************************************************************************ |
| */ |
| void free_mem2Dshort(short **array2D) |
| { |
| if (array2D) |
| { |
| if (array2D[0]) |
| free (array2D[0]); |
| 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, int frames) |
| { |
| int i; |
| |
| if (array3D) |
| { |
| for (i=0;i<frames;i++) |
| { |
| free_mem2Dshort(array3D[i]); |
| } |
| 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, int idx, int frames ) |
| { |
| int j; |
| |
| if (array4D) |
| { |
| for(j=0;j<idx;j++) |
| free_mem3Dshort( array4D[j], frames) ; |
| free (array4D); |
| } else |
| { |
| error ("free_mem4Dshort: trying to free unused memory",100); |
| } |
| } |