jutils.c File Reference

#include "jinclude.h"
#include "jpeglib.h"

Macros
#define	FMEMCOPY(dest, src, size)   MEMCOPY(dest,src,size)
#define	FMEMZERO(target, size)   MEMZERO(target,size)
#define	JPEG_INTERNALS

Functions
return	a (a%b)
	jcopy_block_row (JBLOCKROW input_row, JBLOCKROW output_row, JDIMENSION num_blocks)
	jcopy_sample_rows (JSAMPARRAY input_array, int source_row, JSAMPARRAY output_array, int dest_row, int num_rows, JDIMENSION num_cols)

Variables
const int	jpeg_natural_order [DCTSIZE2+16]

#define FMEMCOPY	(		dest,
			src,
			size
	)		MEMCOPY(dest,src,size)

Referenced by jcopy_block_row(), and jcopy_sample_rows().

#define FMEMZERO	(		target,
			size
	)		MEMZERO(target,size)

#define JPEG_INTERNALS

return a

(

a%

b

)

Referenced by dsp16_op_ln_raw(), dsp16_op_sqrt(), dsp32_op_ln_raw(), dsp32_op_sqrt(), fixed_range(), internal_memalign(), LodePNG_InfoColor_addPalette(), LodePNG_InfoPng_swap(), paethPredictor(), pbuf_memcmp(), and str2ip().

jcopy_block_row	(	JBLOCKROW	input_row,
		JBLOCKROW	output_row,
		JDIMENSION	num_blocks
	)

References count, DCTSIZE2, FMEMCOPY, inptr, outptr, and SIZEOF.

Referenced by decompress_smooth_data().

jcopy_sample_rows	(	JSAMPARRAY	input_array,
		int	source_row,
		JSAMPARRAY	output_array,
		int	dest_row,
		int	num_rows,
		JDIMENSION	num_cols
	)

References count, dest_row, FMEMCOPY, inptr, outptr, row, SIZEOF, and source_row.

Referenced by expand_bottom_edge(), fullsize_downsample(), grayscale_convert(), h2v2_upsample(), int_upsample(), merged_2v_upsample(), and pre_process_context().

const int jpeg_natural_order[DCTSIZE2+16]

Initial value:

= {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 32, 25, 18, 11,  4,  5,
 12, 19, 26, 33, 40, 48, 41, 34,
 27, 20, 13,  6,  7, 14, 21, 28,
 35, 42, 49, 56, 57, 50, 43, 36,
 29, 22, 15, 23, 30, 37, 44, 51,
 58, 59, 52, 45, 38, 31, 39, 46,
 53, 60, 61, 54, 47, 55, 62, 63,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

Referenced by decode_mcu(), decode_mcu_AC_first(), decode_mcu_AC_refine(), encode_one_block(), htest_one_block(), if(), and while().