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jcdctmgr.cpp File Reference
#include "jinclude.h"
#include "mrpt_jpeglib.h"
#include "jdct.h"
Include dependency graph for jcdctmgr.cpp:

Go to the source code of this file.

Classes

struct  my_fdct_controller
 

Macros

#define JPEG_INTERNALS
 
#define CONST_BITS   14
 
#define DIVIDE_BY(a, b)   if (a >= b) a /= b; else a = 0
 

Typedefs

typedef my_fdct_controllermy_fdct_ptr
 

Functions

 start_pass_fdctmgr (j_compress_ptr cinfo)
 
 forward_DCT (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY sample_data, JBLOCKROW coef_blocks, JDIMENSION start_row, JDIMENSION start_col, JDIMENSION num_blocks)
 
 forward_DCT_float (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY sample_data, JBLOCKROW coef_blocks, JDIMENSION start_row, JDIMENSION start_col, JDIMENSION num_blocks)
 
 jinit_forward_dct (j_compress_ptr cinfo)
 

Macro Definition Documentation

◆ CONST_BITS

#define CONST_BITS   14

Referenced by start_pass_fdctmgr().

◆ DIVIDE_BY

#define DIVIDE_BY (   a,
  b 
)    if (a >= b) a /= b; else a = 0

Referenced by forward_DCT().

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jcdctmgr.cpp.

Typedef Documentation

◆ my_fdct_ptr

Definition at line 37 of file jcdctmgr.cpp.

Function Documentation

◆ forward_DCT()

forward_DCT ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  sample_data,
JBLOCKROW  coef_blocks,
JDIMENSION  start_row,
JDIMENSION  start_col,
JDIMENSION  num_blocks 
)

◆ forward_DCT_float()

forward_DCT_float ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  sample_data,
JBLOCKROW  coef_blocks,
JDIMENSION  start_row,
JDIMENSION  start_col,
JDIMENSION  num_blocks 
)

◆ jinit_forward_dct()

jinit_forward_dct ( j_compress_ptr  cinfo)

◆ start_pass_fdctmgr()

start_pass_fdctmgr ( j_compress_ptr  cinfo)



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