Functions — github.com/Ericsson/ETCPACK

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Functions211 in github.com/Ericsson/ETCPACK

↓ 16 callersFunctioncomputeAverageColor2x4noQuantFloat

Computes the average color in a 2x4 area and returns the average color as a float. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2

source/etcpack.cxx:846

↓ 16 callersFunctioncomputeAverageColor4x2noQuantFloat

Computes the average color in a 4x2 area and returns the average color as a float. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2

source/etcpack.cxx:867

↓ 16 callersFunctiontryalltables_3bittable2x4

source/etcpack.cxx:1409

↓ 16 callersFunctiontryalltables_3bittable4x2

source/etcpack.cxx:1488

↓ 14 callersFunctioncompressColor

Each color component is compressed to fit in its specified number of bits NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All

source/etcpack.cxx:6006

↓ 13 callersFunctioncalcBlockErrorRGB

source/etcpack.cxx:7546

↓ 12 callersFunctionclamp

takes as input a value, returns the value clamped to the interval [0,255]. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All

source/etcdec.cxx:1638

↓ 12 callersFunctioncopyColors

source/etcpack.cxx:6397

↓ 12 callersFunctionremoveSpaces

source/image.cxx:76

↓ 12 callersFunctionswapColors

source/etcpack.cxx:6029

↓ 10 callersFunctioncalcBlockPerceptualErrorRGB

source/etcpack.cxx:7568

↓ 9 callersFunctioncomputeColorLBGHalfIntensityFast

Calculation of the two block colors using the LBG-algorithm The following method scales down the intensity, since this can be compensated for anyway b

source/etcpack.cxx:5074

↓ 9 callersFunctiondecompressBlockDiffFlip

source/etcdec.cxx:1027

↓ 8 callersFunctionstuff58bits

During search it is not convenient to store the bits the way they are stored in the file format. Hence, after search, it is converted to this format.

source/etcpack.cxx:4529

↓ 8 callersFunctionstuff59bits

During search it is not convenient to store the bits the way they are stored in the file format. Hence, after search, it is converted to this format.

source/etcpack.cxx:4651

↓ 8 callersFunctiontryalltables_3bittable2x4percep

Find the best table to use for a 2x4 area by testing all. Uses perceptual weighting. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005

source/etcpack.cxx:1463

↓ 8 callersFunctiontryalltables_3bittable2x4percep1000

Find the best table to use for a 2x4 area by testing all. Uses perceptual weighting. Uses fixed point implementation where 1000 equals 1.0 NO WARRANTY

source/etcpack.cxx:1435

↓ 8 callersFunctiontryalltables_3bittable4x2percep

Find the best table to use for a 4x2 area by testing all. Uses perceptual weighting. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005

source/etcpack.cxx:1540

↓ 8 callersFunctiontryalltables_3bittable4x2percep1000

Find the best table to use for a 4x2 area by testing all. Uses perceptual weighting. Uses fixed point implementation where 1000 equals 1.0 NO WARRANTY

source/etcpack.cxx:1515

↓ 7 callersFunctioncalculatePaintColors59T

source/etcdec.cxx:501

↓ 7 callersFunctionfind_pos_of_extension

source/etcpack.cxx:437

↓ 7 callersFunctionindexConversion

converts indices from |a0|a1|e0|e1|i0|i1|m0|m1|b0|b1|f0|f1|j0|j1|n0|n1|c0|c1|g0|g1|k0|k1|o0|o1|d0|d1|h0|h1|l0|l1|p0|p1| previously used by T- and H-m

source/etcpack.cxx:270

↓ 7 callersFunctionwrite_big_endian_2byte_word

source/etcpack.cxx:8422

↓ 6 callersFunctionmultiplyMatrices

source/etcpack.cxx:3703

↓ 6 callersFunctionpackBlock59T

Put the compress params into the compression block |63 62 61 60 59|58 57 56 55|54 53 52 51|50 49 48 47|46 45 44 43|42 41 40 39|38 37 36 35|34 33 32|

source/etcpack.cxx:6378

↓ 6 callersFunctionquantize555ColorCombined

The below code quantizes a float RGB value to RGB555. The format often allows a pixel to completely compensate an intensity error of the base color.

source/etcpack.cxx:1746

↓ 6 callersFunctionread_big_endian_2byte_word

source/etcdec.cxx:287

↓ 6 callersFunctionremoveComments

Removes comments in a .ppm file (i.e., lines starting with #) NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Rights Reser

source/image.cxx:61

↓ 6 callersFunctionsortColorsRGB444

source/etcpack.cxx:6877

↓ 6 callersFunctionstuff57bits

During search it is not convenient to store the bits the way they are stored in the file format. Hence, after search, it is converted to this format.

source/etcpack.cxx:4436

↓ 5 callersFunctioncalculateError59T

Calculate the error for the block at position (startx,starty) The parameters needed for reconstruction is calculated as well Please note that the fun

source/etcpack.cxx:6144

↓ 5 callersFunctioncalculateErrorAndCompress58H

Calculate the error for the block at position (startx,starty) The parameters needed for reconstruction is calculated as well In the 58H bit mode, we

source/etcpack.cxx:6811

↓ 5 callersFunctioncalculatePaintColors58H

Calculate the paint colors from the block colors using a distance d and one of the H- or T-patterns. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C)

source/etcdec.cxx:599

↓ 5 callersFunctiongetbit

bit number frompos is extracted from input, and moved to bit number topos in the return value. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericss

source/etcdec.cxx:1628

↓ 4 callersFunctioncompressBlockDiffFlipFast

Compress an ETC1 block (or the individual and differential modes of an ETC2 block) NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2

source/etcpack.cxx:7590

↓ 4 callersFunctioncompressBlockDiffFlipFastPerceptual

Compress an ETC1 block (or the individual and differential modes of an ETC2 block) Uses perceptual error metric. NO WARRANTY --- SEE STATEMENT IN TOP

source/etcpack.cxx:7630

↓ 4 callersFunctioncompressBlockPlanar57

This function uses least squares in order to determine the best values of the plane. This is close to optimal, but not quite, due to nonlinearities in

source/etcpack.cxx:4295

↓ 4 callersFunctiondecompressBlockPlanar57

source/etcdec.cxx:745

↓ 4 callersFunctiondecompressBlockPlanar57c

source/etcdec.cxx:701

↓ 4 callersFunctiondecompressBlockTHUMB58H

source/etcdec.cxx:694

↓ 4 callersFunctiondecompressBlockTHUMB59T

source/etcdec.cxx:591

↓ 4 callersFunctionfileExist

source/etcpack.cxx:301

↓ 4 callersFunctionget16bits11bits

Does decompression and then immediately converts from 11 bit signed to a 16-bit format Calculates the 11 bit value represented by base, table, mul and

source/etcdec.cxx:1736

↓ 4 callersFunctionget16bits11signed

Does decompression and then immediately converts from 11 bit signed to a 16-bit format. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB

source/etcdec.cxx:1688

↓ 4 callersFunctionquantize444ColorCombined

The below code quantizes a float RGB value to RGB444. The format often allows a pixel to completely compensate an intensity error of the base color.

source/etcpack.cxx:1571

↓ 4 callersFunctionquantize444ColorCombinedPerceptual

The below code quantizes a float RGB value to RGB444. The format often allows a pixel to completely compensate an intensity error of the base color.

source/etcpack.cxx:1901

↓ 4 callersFunctionquantize555ColorCombinedPerceptual

The below code quantizes a float RGB value to RGB555. The format often allows a pixel to completely compensate an intensity error of the base color.

source/etcpack.cxx:2055

↓ 4 callersFunctionsetupAlphaTableAndValtab

source/etcpack.cxx:8466

↓ 3 callersFunctioncalcBlockErrorRGBA

Calculate RGBA error --- only count non-transparent pixels (alpha > 128) NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All R

source/etcpack.cxx:7896

↓ 3 callersFunctioncompressBlockTHUMB58HFastest

The below code should compress the block to 58 bits. This is supposed to match the first of the three modes in TWOTIMER. The bit layout is thought to

source/etcpack.cxx:7005

↓ 3 callersFunctioncompressBlockTHUMB58HFastestPerceptual1000

The below code should compress the block to 58 bits. The bit layout is thought to be: |63 62 61 60 59 58|57 56 55 54|53 52 51 50|49 48 47 46|45 44 43

source/etcpack.cxx:6927

↓ 3 callersFunctiondecompressBlockDiffFlipC

Decompress an ETC1 block (or ETC2 using individual or differential mode). NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All

source/etcdec.cxx:751

↓ 3 callersFunctiondecompressBlockDifferentialWithAlphaC

source/etcdec.cxx:1105

↓ 3 callersFunctiondecompressBlockTHUMB58Hc

source/etcdec.cxx:643

↓ 3 callersFunctiondecompressBlockTHUMB59Tc

Decompress a T-mode block (simple packing) Simple 59T packing: |63 62 61 60 59|58 57 56 55|54 53 52 51|50 49 48 47|46 45 44 43|42 41 40 39|38 37 36 35

source/etcdec.cxx:550

↓ 3 callersFunctionfReadPPM

fReadPPM reads a ppm file with P6 header (meaning binary, as opposed to P5, which is ascII) and returns the image in pixels. The header must look li

source/image.cxx:103

↓ 3 callersFunctionunstuff57bits

The format stores the bits for the three extra modes in a roundabout way to be able to fit them without increasing the bit rate. This function convert

source/etcdec.cxx:331

↓ 3 callersFunctionunstuff58bits

The format stores the bits for the three extra modes in a roundabout way to be able to fit them without increasing the bit rate. This function convert

source/etcdec.cxx:401

↓ 3 callersFunctionunstuff59bits

The format stores the bits for the three extra modes in a roundabout way to be able to fit them without increasing the bit rate. This function convert

source/etcdec.cxx:435

↓ 2 callersFunctioncalcBBBgreen

Calculating the minimum error for the block (in planar mode) if we know the green component for O and V. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE

source/etcpack.cxx:3966

↓ 2 callersFunctioncalcBBBred

In the planar mode in ETC2, the block can be partitioned as follows: O A A A H B D1 D3 C3 B D2 C2 D5 B C1 D4 D6 V Here A-pixels, B-pixels and C-pi

source/etcpack.cxx:3765

↓ 2 callersFunctioncalcCCCgreen

Calculating the minimum error for the block (in planar mode) if we know the green component for H and V. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE

source/etcpack.cxx:3987

↓ 2 callersFunctioncalcCCCred

Calculating the minimum error for the block if we know the red component for H and V. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 200

source/etcpack.cxx:3785

↓ 2 callersFunctioncalculateError59Tperceptual1000

Calculate the error for the block at position (startx,starty) The parameters needed for reconstruction are calculated as well Please note that the fu

source/etcpack.cxx:6057

↓ 2 callersFunctioncalculateErrorAndCompress58Hperceptual1000

Calculate the error for the block at position (startx,starty) The parameters needed for reconstruction is calculated as well In the 58H bit mode, we

source/etcpack.cxx:6652

↓ 2 callersFunctioncalculateWeightedPSNR

source/etcpack.cxx:9035

↓ 2 callersFunctioncompressBlockAlpha16

compressBlockAlpha16 Compresses a block using the 11-bit EAC formats. Depends on the global variable formatSigned. COMPRESSED_R11_EAC (if formatSign

source/etcpack.cxx:8802

↓ 2 callersFunctioncompressBlockDifferentialExhaustive

source/etcpack.cxx:11444

↓ 2 callersFunctioncompressBlockDifferentialExhaustivePerceptual

Compresses the differential mode exhaustively (perecptual error metric). NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All R

source/etcpack.cxx:11046

↓ 2 callersFunctioncompressBlockDifferentialWithAlpha

Compresses the differential mode of an ETC2 block with punchthrough alpha NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All

source/etcpack.cxx:7664

↓ 2 callersFunctioncompressBlockETC2Fast

source/etcpack.cxx:8126

↓ 2 callersFunctioncompressBlockIndividualExhaustive

source/etcpack.cxx:10763

↓ 2 callersFunctioncompressBlockIndividualExhaustivePerceptual

Compresses the individual mode exhaustively (perecptual error metric). NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Rig

source/etcpack.cxx:10478

↓ 2 callersFunctioncompressBlockTHUMB58HFast

The below code should compress the block to 58 bits. This is supposed to match the first of the three modes in TWOTIMER. The bit layout is thought to

source/etcpack.cxx:7146

↓ 2 callersFunctioncompressBlockTHUMB59TFast

The below code should compress the block to 59 bits. This is supposed to match the first of the three modes in TWOTIMER. |63 62 61 60 59|58 57 56 55|

source/etcpack.cxx:6579

↓ 2 callersFunctioncompressBlockTHUMB59TFastest

The below code should compress the block to 59 bits. This is supposed to match the first of the three modes in TWOTIMER. |63 62 61 60 59|58 57 56 55|

source/etcpack.cxx:6538

↓ 2 callersFunctioncompressBlockTHUMB59TFastestPerceptual1000

The below code should compress the block to 59 bits. This is supposed to match the first of the three modes in TWOTIMER. |63 62 61 60 59|58 57 56 55|

source/etcpack.cxx:6496

↓ 2 callersFunctioncomputeColorLBGNotIntensity

Calculation of the two block colors using the LBG-algorithm The following method completely ignores the intensity, since this can be compensated for a

source/etcpack.cxx:5460

↓ 2 callersFunctiondecompressBlockAlpha16bit

source/etcdec.cxx:1839

↓ 2 callersFunctiondecompressBlockDifferentialWithAlpha

source/etcdec.cxx:1322

↓ 2 callersFunctiondecompressBlockPlanar57errorPerComponent

Decompress the planar mode and calculate the error per component compared to original image. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson

source/etcpack.cxx:4712

↓ 2 callersFunctiondecompressBlockTHUMB58HAlphaC

source/etcdec.cxx:1402

↓ 2 callersFunctiondecompressBlockTHUMB59TAlphaC

similar to regular decompression, but alpha channel is set to 0 if pixel index is 2, otherwise 255. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) E

source/etcdec.cxx:1330

↓ 2 callersFunctionfReadPGM

reads a ppm file with the P6 header (means raw RGB), puts data into pixel pointer and returns bit depth (8 or 16 bpp) */ the header looks like this:

source/image.cxx:299

↓ 2 callersFunctionfWritePGM

source/image.cxx:260

↓ 2 callersFunctionfWritePPM

source/image.cxx:229

↓ 2 callersFunctionprecompute_3bittable_all_subblocksRG_withtest

Precomutes a table that is used when compressing a block exhaustively NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Righ

source/etcpack.cxx:9773

↓ 2 callersFunctionprecompute_3bittable_all_subblocksRG_withtest_perceptual1000

Precomutes a table that is used when compressing a block exhaustively NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Righ

source/etcpack.cxx:9636

↓ 2 callersFunctionprecompute_3bittable_all_subblocksR_with_test

Precomutes a table that is used when compressing a block exhaustively NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Righ

source/etcpack.cxx:10038

↓ 2 callersFunctionprecompute_3bittable_all_subblocksR_with_test_perceptual1000

Precomutes a table that is used when compressing a block exhaustively NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Righ

source/etcpack.cxx:9906

↓ 2 callersFunctionreadAlpha

source/etcpack.cxx:8498

↓ 2 callersFunctionreadCompressParams

source/etcpack.cxx:822

↓ 2 callersFunctionreadSrcFileNoExpand

Reads a file without expanding it to be divisible by 4. Is used when doing PSNR calculation between two files. NO WARRANTY --- SEE STATEMENT IN TOP OF

source/etcpack.cxx:553

↓ 2 callersFunctionread_big_endian_4byte_word

source/etcdec.cxx:305

↓ 2 callersFunctiontryalltables_3bittable_all_subblocks_using_precalc

Tries all index-tables, used when compressing a block exhaustively NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Ericsson AB 2005-2013. All Rights

source/etcpack.cxx:10170

↓ 2 callersFunctiontryalltables_3bittable_all_subblocks_using_precalc_perceptual1000

Tries all index-tables, used when compressing a block exhaustively using perceptual error measure NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (C) Eri

source/etcpack.cxx:10324

↓ 2 callersFunctionuncompressFile

source/etcpack.cxx:9103

↓ 2 callersFunctionwrite_big_endian_4byte_word

source/etcpack.cxx:8439

↓ 1 callersFunctioncalcBBBblue

Calculating the minimum error for the block (in planar mode) if we know the blue component for O and V. NO WARRANTY --- SEE STATEMENT IN TOP OF FILE (

source/etcpack.cxx:4110

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