jidctflt.cpp File Reference

#include "jinclude.h"
#include "mrpt_jpeglib.h"
#include "jdct.h"

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS
#define	DEQUANTIZE(coef, quantval)   (((FAST_FLOAT)(coef)) * (quantval))

Functions
	GLOBAL (void) jpeg_idct_float(j_decompress_ptr cinfo
	for (ctr=DCTSIZE;ctr > 0;ctr--)
	for (ctr=0;ctr< DCTSIZE;ctr++)

Variables
jpeg_component_info *	compptr
jpeg_component_info JCOEFPTR	coef_block
jpeg_component_info JCOEFPTR JSAMPARRAY	output_buf
jpeg_component_info JCOEFPTR JSAMPARRAY JDIMENSION	output_col
FAST_FLOAT	tmp10
FAST_FLOAT	tmp11
FAST_FLOAT	tmp12
FAST_FLOAT	tmp13
FAST_FLOAT	z5
FAST_FLOAT	z10
FAST_FLOAT	z11
FAST_FLOAT	z12
FAST_FLOAT	z13
JCOEFPTR	inptr = coef_block
FLOAT_MULT_TYPE *	quantptr = (FLOAT_MULT_TYPE*)compptr->dct_table
FAST_FLOAT *	wsptr = workspace
JSAMPROW	outptr
JSAMPLE *	range_limit = IDCT_range_limit(cinfo)
int	ctr
FAST_FLOAT	workspace [DCTSIZE2]

Macro Definition Documentation

DEQUANTIZE

#define DEQUANTIZE	(		coef,
			quantval
	)		(((FAST_FLOAT)(coef)) * (quantval))

Definition at line 29 of file jidctflt.cpp.

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jidctflt.cpp.

Function Documentation

for() [1/2]

for

(

)

Definition at line 150 of file jidctflt.cpp.

References ctr, DCTSIZE, DESCALE, outptr, output_buf, output_col, range_limit, RANGE_MASK, tmp10, tmp11, tmp12, tmp13, wsptr, z10, z11, z12, z13, and z5.

for() [2/2]

for	(	ctr	= DCTSIZE; ctr,
		0;ctr--
	)

Definition at line 56 of file jidctflt.cpp.

References DCTSIZE, DEQUANTIZE, inptr, quantptr, tmp10, tmp11, tmp12, tmp13, wsptr, z10, z11, z12, z13, and z5.

Referenced by mrpt::opengl::CPolyhedron::augment(), color_quantize(), color_quantize3(), compress_data(), compress_first_pass(), compress_output(), compute_color(), mrpt::vision::computeMultiResolutionDescriptors(), consume_data(), create_odither_tables(), decompress_onepass(), mrpt::pbmap::PbMapMaker::detectPlanesCloud(), faster_corner_detect_12(), forward_DCT(), forward_DCT_float(), xsens::Packet::getRawGpsData(), LegacyDataPacket::gpsPvtData(), h2v1_merged_upsample(), h2v2_merged_upsample(), mrpt::opengl::COctreePointRenderer< Derived >::internal_recursive_split(), jpeg_CreateCompress(), jpeg_CreateDecompress(), mrpt::utils::CImage::loadTGA(), make_funny_pointers(), my_cvLinearPolar(), pass2_fs_dither(), pass2_no_dither(), mrpt::slam::CMonteCarloLocalization3D::PF_SLAM_computeObservationLikelihoodForParticle(), mrpt::slam::CMonteCarloLocalization2D::PF_SLAM_computeObservationLikelihoodForParticle(), prescan_quantize(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), realize_virt_arrays(), mrpt::vision::TSequenceFeatureObservations::removeFewObservedFeatures(), mrpt::utils::CImage::saveToStreamAsJPEG(), select_scan_parameters(), sep_downsample(), set_bottom_pointers(), set_wraparound_pointers(), LegacyDataPacket::setGpsPvtData(), LegacyDataPacket::setUtcTime(), start_pass(), start_pass_fdctmgr(), Pose3DPDFGaussTests::testPoseComposition(), Pose3DQuatPDFGaussTests::testPoseComposition(), Pose3DPDFGaussTests::testPoseInverseComposition(), Pose3DQuatPDFGaussTests::testPoseInverseComposition(), xsens::Packet::updateRawGpsData(), and LegacyDataPacket::utcTime().

GLOBAL()

GLOBAL

(

void

)

Variable Documentation

coef_block

jpeg_component_info JCOEFPTR coef_block

Definition at line 37 of file jidctflt.cpp.

compptr

jpeg_component_info* compptr

Definition at line 36 of file jidctflt.cpp.

Referenced by alloc_funny_pointers(), compress_data(), compress_first_pass(), compress_output(), consume_data(), create_context_buffer(), decode_mcu_DC_first(), decompress_data(), decompress_onepass(), decompress_smooth_data(), emit_dac(), emit_sof(), emit_sos(), encode_mcu_DC_first(), encode_mcu_gather(), encode_mcu_huff(), finish_pass_gather(), finish_pass_gather_phuff(), forward_DCT(), forward_DCT_float(), fullsize_downsample(), fullsize_smooth_downsample(), get_sof(), get_sos(), h2v1_downsample(), h2v1_fancy_upsample(), h2v2_downsample(), h2v2_fancy_upsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), int_upsample(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_set_colorspace(), latch_quant_tables(), make_funny_pointers(), per_scan_setup(), pre_process_data(), sep_downsample(), sep_upsample(), set_bottom_pointers(), set_wraparound_pointers(), smoothing_ok(), start_pass(), start_pass_fdctmgr(), start_pass_huff(), start_pass_huff_decoder(), start_pass_phuff(), start_pass_phuff_decoder(), write_frame_header(), and write_scan_header().

ctr

int ctr

Definition at line 47 of file jidctflt.cpp.

Referenced by for(), GLOBAL(), and jpeg_make_d_derived_tbl().

inptr

SHIFT_TEMPS inptr = coef_block

Definition at line 42 of file jidctflt.cpp.

Referenced by cmyk_ycck_convert(), for(), fullsize_smooth_downsample(), gray_rgb_convert(), grayscale_convert(), h2v1_downsample(), h2v1_fancy_upsample(), h2v1_upsample(), h2v2_upsample(), int_downsample(), int_upsample(), jcopy_block_row(), jcopy_sample_rows(), null_convert(), pass2_fs_dither(), pass2_no_dither(), rgb_gray_convert(), and rgb_ycc_convert().

outptr

JSAMPROW outptr

Definition at line 45 of file jidctflt.cpp.

Referenced by for(), fullsize_smooth_downsample(), gray_rgb_convert(), grayscale_convert(), h2v1_downsample(), h2v1_fancy_upsample(), h2v1_merged_upsample(), h2v1_upsample(), h2v2_downsample(), h2v2_fancy_upsample(), h2v2_smooth_downsample(), h2v2_upsample(), int_downsample(), int_upsample(), jcopy_block_row(), jcopy_sample_rows(), null_convert(), pass2_fs_dither(), pass2_no_dither(), rgb_gray_convert(), ycc_rgb_convert(), and ycck_cmyk_convert().

output_buf

jpeg_component_info JCOEFPTR JSAMPARRAY output_buf

Definition at line 37 of file jidctflt.cpp.

Referenced by cmyk_ycck_convert(), color_quantize(), color_quantize3(), decompress_data(), decompress_onepass(), decompress_smooth_data(), for(), gray_rgb_convert(), grayscale_convert(), h2v1_merged_upsample(), h2v2_merged_upsample(), merged_1v_upsample(), merged_2v_upsample(), null_convert(), pass2_fs_dither(), pass2_no_dither(), post_process_1pass(), post_process_2pass(), post_process_prepass(), pre_process_context(), pre_process_data(), prescan_quantize(), process_data_context_main(), process_data_crank_post(), process_data_simple_main(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), rgb_gray_convert(), rgb_ycc_convert(), sep_downsample(), sep_upsample(), ycc_rgb_convert(), and ycck_cmyk_convert().

output_col

jpeg_component_info JCOEFPTR JSAMPARRAY JDIMENSION output_col

Initial value:

{
        FAST_FLOAT tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7

Definition at line 37 of file jidctflt.cpp.

Referenced by decompress_data(), decompress_onepass(), decompress_smooth_data(), and for().

quantptr

quantptr = (FLOAT_MULT_TYPE*)compptr->dct_table

Definition at line 43 of file jidctflt.cpp.

Referenced by for().

range_limit

JSAMPLE* range_limit = IDCT_range_limit(cinfo)

Definition at line 46 of file jidctflt.cpp.

Referenced by for(), h2v1_merged_upsample(), h2v2_merged_upsample(), pass2_fs_dither(), quantize_fs_dither(), ycc_rgb_convert(), and ycck_cmyk_convert().

tmp10

FAST_FLOAT tmp10

Definition at line 40 of file jidctflt.cpp.

Referenced by for(), GLOBAL(), and jpeg_idct_2x2().

tmp11

FAST_FLOAT tmp11

Definition at line 40 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().

tmp12

FAST_FLOAT tmp12

Definition at line 40 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().

tmp13

FAST_FLOAT tmp13

Definition at line 40 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().

workspace

FAST_FLOAT workspace[DCTSIZE2]

Definition at line 48 of file jidctflt.cpp.

Referenced by alloc_barray(), alloc_sarray(), decompress_smooth_data(), forward_DCT(), and forward_DCT_float().

wsptr

wsptr = workspace

Definition at line 44 of file jidctflt.cpp.

Referenced by for().

z10

FAST_FLOAT z10

Definition at line 41 of file jidctflt.cpp.

Referenced by for().

z11

FAST_FLOAT z11

Definition at line 41 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().

z12

FAST_FLOAT z12

Definition at line 41 of file jidctflt.cpp.

Referenced by for().

z13

FAST_FLOAT z13

Definition at line 41 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().

z5

FAST_FLOAT z5

Definition at line 41 of file jidctflt.cpp.

Referenced by for(), and GLOBAL().