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Macros | Functions | Variables
jidctint.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 CONST_BITS   13
 
#define PASS1_BITS   2
 
#define FIX_0_298631336   ((INT32)2446) /* FIX(0.298631336) */
 
#define FIX_0_390180644   ((INT32)3196) /* FIX(0.390180644) */
 
#define FIX_0_541196100   ((INT32)4433) /* FIX(0.541196100) */
 
#define FIX_0_765366865   ((INT32)6270) /* FIX(0.765366865) */
 
#define FIX_0_899976223   ((INT32)7373) /* FIX(0.899976223) */
 
#define FIX_1_175875602   ((INT32)9633) /* FIX(1.175875602) */
 
#define FIX_1_501321110   ((INT32)12299) /* FIX(1.501321110) */
 
#define FIX_1_847759065   ((INT32)15137) /* FIX(1.847759065) */
 
#define FIX_1_961570560   ((INT32)16069) /* FIX(1.961570560) */
 
#define FIX_2_053119869   ((INT32)16819) /* FIX(2.053119869) */
 
#define FIX_2_562915447   ((INT32)20995) /* FIX(2.562915447) */
 
#define FIX_3_072711026   ((INT32)25172) /* FIX(3.072711026) */
 
#define MULTIPLY(var, const)   MULTIPLY16C16(var, const)
 
#define DEQUANTIZE(coef, quantval)   (((ISLOW_MULT_TYPE)(coef)) * (quantval))
 

Functions

 GLOBAL (void) jpeg_idct_islow(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
 
INT32 tmp10
 
INT32 tmp11
 
INT32 tmp12
 
INT32 tmp13
 
INT32 z1
 
INT32 z2
 
INT32 z3
 
INT32 z4
 
INT32 z5
 
JCOEFPTR inptr = coef_block
 
ISLOW_MULT_TYPE * quantptr = (ISLOW_MULT_TYPE*)compptr->dct_table
 
int * wsptr = workspace
 
JSAMPROW outptr
 
JSAMPLE * range_limit = IDCT_range_limit(cinfo)
 
int ctr
 
int workspace [DCTSIZE2]
 

Macro Definition Documentation

◆ CONST_BITS

#define CONST_BITS   13

Definition at line 58 of file jidctint.cpp.

Referenced by for().

◆ DEQUANTIZE

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

Definition at line 118 of file jidctint.cpp.

Referenced by for().

◆ FIX_0_298631336

#define FIX_0_298631336   ((INT32)2446) /* FIX(0.298631336) */

Definition at line 73 of file jidctint.cpp.

Referenced by for().

◆ FIX_0_390180644

#define FIX_0_390180644   ((INT32)3196) /* FIX(0.390180644) */

Definition at line 74 of file jidctint.cpp.

Referenced by for().

◆ FIX_0_541196100

#define FIX_0_541196100   ((INT32)4433) /* FIX(0.541196100) */

Definition at line 75 of file jidctint.cpp.

Referenced by for().

◆ FIX_0_765366865

#define FIX_0_765366865   ((INT32)6270) /* FIX(0.765366865) */

Definition at line 76 of file jidctint.cpp.

Referenced by for().

◆ FIX_0_899976223

#define FIX_0_899976223   ((INT32)7373) /* FIX(0.899976223) */

Definition at line 77 of file jidctint.cpp.

Referenced by for().

◆ FIX_1_175875602

#define FIX_1_175875602   ((INT32)9633) /* FIX(1.175875602) */

Definition at line 78 of file jidctint.cpp.

Referenced by for().

◆ FIX_1_501321110

#define FIX_1_501321110   ((INT32)12299) /* FIX(1.501321110) */

Definition at line 79 of file jidctint.cpp.

Referenced by for().

◆ FIX_1_847759065

#define FIX_1_847759065   ((INT32)15137) /* FIX(1.847759065) */

Definition at line 80 of file jidctint.cpp.

Referenced by for().

◆ FIX_1_961570560

#define FIX_1_961570560   ((INT32)16069) /* FIX(1.961570560) */

Definition at line 81 of file jidctint.cpp.

Referenced by for().

◆ FIX_2_053119869

#define FIX_2_053119869   ((INT32)16819) /* FIX(2.053119869) */

Definition at line 82 of file jidctint.cpp.

Referenced by for().

◆ FIX_2_562915447

#define FIX_2_562915447   ((INT32)20995) /* FIX(2.562915447) */

Definition at line 83 of file jidctint.cpp.

Referenced by for().

◆ FIX_3_072711026

#define FIX_3_072711026   ((INT32)25172) /* FIX(3.072711026) */

Definition at line 84 of file jidctint.cpp.

Referenced by for().

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jidctint.cpp.

◆ MULTIPLY

#define MULTIPLY (   var,
  const 
)    MULTIPLY16C16(var, const)

Definition at line 108 of file jidctint.cpp.

Referenced by for().

◆ PASS1_BITS

#define PASS1_BITS   2

Definition at line 59 of file jidctint.cpp.

Referenced by for().

Function Documentation

◆ for() [1/2]

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

Definition at line 147 of file jidctint.cpp.

References CONST_BITS, DCTSIZE, DEQUANTIZE, DESCALE, FIX_0_298631336, FIX_0_390180644, FIX_0_541196100, FIX_0_765366865, FIX_0_899976223, FIX_1_175875602, FIX_1_501321110, FIX_1_847759065, FIX_1_961570560, FIX_2_053119869, FIX_2_562915447, FIX_3_072711026, inptr, MULTIPLY, PASS1_BITS, quantptr, tmp10, tmp11, tmp12, tmp13, wsptr, z1, z2, z3, z4, and z5.

◆ for() [2/2]

for ( )

Definition at line 264 of file jidctint.cpp.

References CONST_BITS, ctr, DCTSIZE, DESCALE, FIX_0_298631336, FIX_0_390180644, FIX_0_541196100, FIX_0_765366865, FIX_0_899976223, FIX_1_175875602, FIX_1_501321110, FIX_1_847759065, FIX_1_961570560, FIX_2_053119869, FIX_2_562915447, FIX_3_072711026, MULTIPLY, outptr, output_buf, output_col, PASS1_BITS, range_limit, RANGE_MASK, tmp10, tmp11, tmp12, tmp13, wsptr, z1, z2, z3, z4, and z5.

◆ GLOBAL()

GLOBAL ( void  )

Variable Documentation

◆ coef_block

jpeg_component_info JCOEFPTR coef_block

Definition at line 125 of file jidctint.cpp.

◆ compptr

jpeg_component_info* compptr

Definition at line 125 of file jidctint.cpp.

◆ ctr

int ctr

Definition at line 136 of file jidctint.cpp.

Referenced by for().

◆ inptr

SHIFT_TEMPS inptr = coef_block

Definition at line 131 of file jidctint.cpp.

Referenced by for().

◆ outptr

JSAMPROW outptr

Definition at line 134 of file jidctint.cpp.

Referenced by for().

◆ output_buf

jpeg_component_info JCOEFPTR JSAMPARRAY output_buf

Definition at line 125 of file jidctint.cpp.

Referenced by for().

◆ output_col

jpeg_component_info JCOEFPTR JSAMPARRAY JDIMENSION output_col
Initial value:
{
INT32 tmp0, tmp1, tmp2, tmp3
INT32
long INT32
Definition: jmorecfg.h:151

Definition at line 127 of file jidctint.cpp.

Referenced by for().

◆ quantptr

quantptr = (ISLOW_MULT_TYPE*)compptr->dct_table

Definition at line 132 of file jidctint.cpp.

Referenced by for().

◆ range_limit

JSAMPLE* range_limit = IDCT_range_limit(cinfo)

Definition at line 135 of file jidctint.cpp.

Referenced by for().

◆ tmp10

INT32 tmp10

Definition at line 129 of file jidctint.cpp.

Referenced by for().

◆ tmp11

INT32 tmp11

Definition at line 129 of file jidctint.cpp.

Referenced by for().

◆ tmp12

INT32 tmp12

Definition at line 129 of file jidctint.cpp.

Referenced by for().

◆ tmp13

INT32 tmp13

Definition at line 129 of file jidctint.cpp.

Referenced by for().

◆ workspace

int workspace[DCTSIZE2]

Definition at line 137 of file jidctint.cpp.

◆ wsptr

wsptr = workspace

Definition at line 133 of file jidctint.cpp.

Referenced by for().

◆ z1

INT32 z1

Definition at line 130 of file jidctint.cpp.

Referenced by mrpt::opengl::CSetOfLines::appendLine(), Pose3DTests::check_jacob_LnT_T(), mrpt::opengl::CSimpleLine::Create(), mrpt::opengl::CArrow::Create(), mrpt::opengl::CPolyhedron::CreateCubicPrism(), mrpt::math::distanceSqrBetweenPoints(), for(), mrpt::opengl::CSetOfLines::getLineByIndex(), mrpt::opengl::CSimpleLine::getLineCoords(), GLOBAL(), mrpt::math::minimumDistanceFromPointToSegment(), mrpt::opengl::CSetOfLines::readFromStream(), mrpt::opengl::CArrow::setArrowEnds(), mrpt::opengl::CSetOfLines::setLineByIndex(), mrpt::opengl::CSimpleLine::setLineCoords(), mrpt::math::spline(), Pose3DQuatTests::test_compose(), Pose3DTests::test_compose(), Pose3DRotVecTests::test_compose(), Pose3DQuatTests::test_composeAndInvComposePoint(), Pose3DTests::test_composeFrom(), Pose3DQuatTests::test_composePoint(), Pose3DTests::test_composePoint(), Pose3DQuatTests::test_composePoint_vs_CPose3D(), Pose3DQuatTests::test_composePointJacob(), Pose3DTests::test_composePointJacob(), Pose3DQuatTests::test_copy(), Pose3DTests::test_ExpLnEqual(), Pose3DQuatTests::test_fromYPRAndBack(), Pose3DQuatTests::test_invComposePoint(), Pose3DQuatTests::test_invComposePoint_vs_CPose3D(), Pose3DQuatTests::test_invComposePointJacob(), Pose3DTests::test_invComposePointJacob(), Pose3DTests::test_inverse(), Pose3DTests::test_Jacob_dAexpeD_de(), Pose3DTests::test_Jacob_dexpeD_de(), SE_traits_tests< POSE_TYPE >::test_jacobs_P1DP2inv(), Pose3DQuatTests::test_sphericalCoords(), and Pose3DQuatTests::test_unaryInverse().

◆ z2

INT32 z2

Definition at line 130 of file jidctint.cpp.

Referenced by mrpt::vision::CDifodo::computeWeights(), mrpt::opengl::CPolyhedron::CreateCubicPrism(), mrpt::math::distanceSqrBetweenPoints(), do_test_insertPoints(), for(), GLOBAL(), mrpt::math::minimumDistanceFromPointToSegment(), mrpt::math::spline(), Pose3DQuatTests::test_compose(), Pose3DTests::test_compose(), Pose3DRotVecTests::test_compose(), Pose3DTests::test_composeFrom(), Pose3DTests::test_Jacob_dAexpeD_de(), SE_traits_tests< POSE_TYPE >::test_jacobs_P1DP2inv(), Pose3DPDFGaussTests::testAllPoseOperators(), Pose3DQuatPDFGaussTests::testChangeCoordsRef(), Pose3DPDFGaussTests::testChangeCoordsRef(), Pose3DQuatPDFGaussTests::testCompositionJacobian(), Pose3DPDFGaussTests::testCompositionJacobian(), Pose3DPDFGaussTests::testPoseComposition(), Pose3DQuatPDFGaussTests::testPoseComposition(), Pose3DPDFGaussTests::testPoseInverseComposition(), and Pose3DQuatPDFGaussTests::testPoseInverseComposition().

◆ z3

INT32 z3

Definition at line 130 of file jidctint.cpp.

Referenced by do_test_insertPoints(), for(), GLOBAL(), and mrpt::math::spline().

◆ z4

INT32 z4

Definition at line 130 of file jidctint.cpp.

Referenced by mrpt::vision::CDifodo::computeWeights(), for(), and GLOBAL().

◆ z5

INT32 z5

Definition at line 130 of file jidctint.cpp.

Referenced by for().



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