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This file was processed as: SHell self-extracting ARchive
(archive/shar).
You can browse this item here: part04
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| ASCII text
| default
| |
| 100%
| checkBytes
| Printable ASCII
| default
| |
| 100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
| 100%
| siegfried
| fmt/329 Shell Archive Format
| default
| |
| 100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
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|00000040| 70 65 6e 64 65 6e 74 20 | 4a 50 45 47 20 47 72 6f |pendent |JPEG Gro|
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|000000a0| 39 32 44 65 63 31 37 2e | 30 34 31 36 33 32 2e 32 |92Dec17.|041632.2|
|000000b0| 33 33 30 38 40 73 70 61 | 72 6b 79 2e 69 6d 64 2e |3308@spa|rky.imd.|
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|000000d0| 4d 64 34 2d 53 69 67 6e | 61 74 75 72 65 3a 20 66 |Md4-Sign|ature: f|
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|000000f0| 35 39 61 65 62 62 62 63 | 33 37 64 38 37 66 31 0a |59aebbbc|37d87f1.|
|00000100| 44 61 74 65 3a 20 54 68 | 75 2c 20 31 37 20 44 65 |Date: Th|u, 17 De|
|00000110| 63 20 31 39 39 32 20 30 | 34 3a 31 36 3a 33 32 20 |c 1992 0|4:16:32 |
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|00002730| 20 20 20 2a 20 41 6c 73 | 6f 20 72 65 63 61 6c 6c | * Als|o recall|
|00002740| 20 74 68 61 74 20 53 46 | 20 3d 20 73 6d 6f 6f 74 | that SF| = smoot|
|00002750| 68 69 6e 67 5f 66 61 63 | 74 6f 72 20 2f 20 31 30 |hing_fac|tor / 10|
|00002760| 32 34 2e 0a 58 20 20 20 | 2a 2f 0a 58 0a 58 20 20 |24..X |*/.X.X |
|00002770| 6d 65 6d 62 65 72 73 63 | 61 6c 65 20 3d 20 31 36 |membersc|ale = 16|
|00002780| 33 38 34 20 2d 20 63 69 | 6e 66 6f 2d 3e 73 6d 6f |384 - ci|nfo->smo|
|00002790| 6f 74 68 69 6e 67 5f 66 | 61 63 74 6f 72 20 2a 20 |othing_f|actor * |
|000027a0| 38 30 3b 20 2f 2a 20 73 | 63 61 6c 65 64 20 28 31 |80; /* s|caled (1|
|000027b0| 2d 35 2a 53 46 29 2f 34 | 20 2a 2f 0a 58 20 20 6e |-5*SF)/4| */.X n|
|000027c0| 65 69 67 68 73 63 61 6c | 65 20 3d 20 63 69 6e 66 |eighscal|e = cinf|
|000027d0| 6f 2d 3e 73 6d 6f 6f 74 | 68 69 6e 67 5f 66 61 63 |o->smoot|hing_fac|
|000027e0| 74 6f 72 20 2a 20 31 36 | 3b 20 2f 2a 20 73 63 61 |tor * 16|; /* sca|
|000027f0| 6c 65 64 20 53 46 2f 34 | 20 2a 2f 0a 58 0a 58 20 |led SF/4| */.X.X |
|00002800| 20 69 6e 72 6f 77 20 3d | 20 30 3b 0a 58 20 20 66 | inrow =| 0;.X f|
|00002810| 6f 72 20 28 6f 75 74 72 | 6f 77 20 3d 20 30 3b 20 |or (outr|ow = 0; |
|00002820| 6f 75 74 72 6f 77 20 3c | 20 6f 75 74 70 75 74 5f |outrow <| output_|
|00002830| 72 6f 77 73 3b 20 6f 75 | 74 72 6f 77 2b 2b 29 20 |rows; ou|trow++) |
|00002840| 7b 0a 58 20 20 20 20 6f | 75 74 70 74 72 20 3d 20 |{.X o|utptr = |
|00002850| 6f 75 74 70 75 74 5f 64 | 61 74 61 5b 6f 75 74 72 |output_d|ata[outr|
|00002860| 6f 77 5d 3b 0a 58 20 20 | 20 20 69 6e 70 74 72 30 |ow];.X | inptr0|
|00002870| 20 3d 20 69 6e 70 75 74 | 5f 64 61 74 61 5b 69 6e | = input|_data[in|
|00002880| 72 6f 77 5d 3b 0a 58 20 | 20 20 20 69 6e 70 74 72 |row];.X | inptr|
|00002890| 31 20 3d 20 69 6e 70 75 | 74 5f 64 61 74 61 5b 69 |1 = inpu|t_data[i|
|000028a0| 6e 72 6f 77 2b 31 5d 3b | 0a 58 20 20 20 20 69 66 |nrow+1];|.X if|
|000028b0| 20 28 69 6e 72 6f 77 20 | 3d 3d 20 30 29 0a 58 20 | (inrow |== 0).X |
|000028c0| 20 20 20 20 20 61 62 6f | 76 65 5f 70 74 72 20 3d | abo|ve_ptr =|
|000028d0| 20 61 62 6f 76 65 5b 69 | 6e 70 75 74 5f 72 6f 77 | above[i|nput_row|
|000028e0| 73 2d 31 5d 3b 0a 58 20 | 20 20 20 65 6c 73 65 0a |s-1];.X | else.|
|000028f0| 58 20 20 20 20 20 20 61 | 62 6f 76 65 5f 70 74 72 |X a|bove_ptr|
|00002900| 20 3d 20 69 6e 70 75 74 | 5f 64 61 74 61 5b 69 6e | = input|_data[in|
|00002910| 72 6f 77 2d 31 5d 3b 0a | 58 20 20 20 20 69 66 20 |row-1];.|X if |
|00002920| 28 69 6e 72 6f 77 20 3e | 3d 20 69 6e 70 75 74 5f |(inrow >|= input_|
|00002930| 72 6f 77 73 2d 32 29 0a | 58 20 20 20 20 20 20 62 |rows-2).|X b|
|00002940| 65 6c 6f 77 5f 70 74 72 | 20 3d 20 62 65 6c 6f 77 |elow_ptr| = below|
|00002950| 5b 30 5d 3b 0a 58 20 20 | 20 20 65 6c 73 65 0a 58 |[0];.X | else.X|
|00002960| 20 20 20 20 20 20 62 65 | 6c 6f 77 5f 70 74 72 20 | be|low_ptr |
|00002970| 3d 20 69 6e 70 75 74 5f | 64 61 74 61 5b 69 6e 72 |= input_|data[inr|
|00002980| 6f 77 2b 32 5d 3b 0a 58 | 0a 58 20 20 20 20 2f 2a |ow+2];.X|.X /*|
|00002990| 20 53 70 65 63 69 61 6c | 20 63 61 73 65 20 66 6f | Special| case fo|
|000029a0| 72 20 66 69 72 73 74 20 | 63 6f 6c 75 6d 6e 3a 20 |r first |column: |
|000029b0| 70 72 65 74 65 6e 64 20 | 63 6f 6c 75 6d 6e 20 2d |pretend |column -|
|000029c0| 31 20 69 73 20 73 61 6d | 65 20 61 73 20 63 6f 6c |1 is sam|e as col|
|000029d0| 75 6d 6e 20 30 20 2a 2f | 0a 58 20 20 20 20 6d 65 |umn 0 */|.X me|
|000029e0| 6d 62 65 72 73 75 6d 20 | 3d 20 47 45 54 4a 53 41 |mbersum |= GETJSA|
|000029f0| 4d 50 4c 45 28 2a 69 6e | 70 74 72 30 29 20 2b 20 |MPLE(*in|ptr0) + |
|00002a00| 47 45 54 4a 53 41 4d 50 | 4c 45 28 69 6e 70 74 72 |GETJSAMP|LE(inptr|
|00002a10| 30 5b 31 5d 29 20 2b 0a | 58 09 09 47 45 54 4a 53 |0[1]) +.|X..GETJS|
|00002a20| 41 4d 50 4c 45 28 2a 69 | 6e 70 74 72 31 29 20 2b |AMPLE(*i|nptr1) +|
|00002a30| 20 47 45 54 4a 53 41 4d | 50 4c 45 28 69 6e 70 74 | GETJSAM|PLE(inpt|
|00002a40| 72 31 5b 31 5d 29 3b 0a | 58 20 20 20 20 6e 65 69 |r1[1]);.|X nei|
|00002a50| 67 68 73 75 6d 20 3d 20 | 47 45 54 4a 53 41 4d 50 |ghsum = |GETJSAMP|
|00002a60| 4c 45 28 2a 61 62 6f 76 | 65 5f 70 74 72 29 20 2b |LE(*abov|e_ptr) +|
|00002a70| 20 47 45 54 4a 53 41 4d | 50 4c 45 28 61 62 6f 76 | GETJSAM|PLE(abov|
|00002a80| 65 5f 70 74 72 5b 31 5d | 29 20 2b 0a 58 09 20 20 |e_ptr[1]|) +.X. |
|00002a90| 20 20 20 20 20 47 45 54 | 4a 53 41 4d 50 4c 45 28 | GET|JSAMPLE(|
|00002aa0| 2a 62 65 6c 6f 77 5f 70 | 74 72 29 20 2b 20 47 45 |*below_p|tr) + GE|
|00002ab0| 54 4a 53 41 4d 50 4c 45 | 28 62 65 6c 6f 77 5f 70 |TJSAMPLE|(below_p|
|00002ac0| 74 72 5b 31 5d 29 20 2b | 0a 58 09 20 20 20 20 20 |tr[1]) +|.X. |
|00002ad0| 20 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 2a 69 6e | GETJSA|MPLE(*in|
|00002ae0| 70 74 72 30 29 20 2b 20 | 47 45 54 4a 53 41 4d 50 |ptr0) + |GETJSAMP|
|00002af0| 4c 45 28 69 6e 70 74 72 | 30 5b 32 5d 29 20 2b 0a |LE(inptr|0[2]) +.|
|00002b00| 58 09 20 20 20 20 20 20 | 20 47 45 54 4a 53 41 4d |X. | GETJSAM|
|00002b10| 50 4c 45 28 2a 69 6e 70 | 74 72 31 29 20 2b 20 47 |PLE(*inp|tr1) + G|
|00002b20| 45 54 4a 53 41 4d 50 4c | 45 28 69 6e 70 74 72 31 |ETJSAMPL|E(inptr1|
|00002b30| 5b 32 5d 29 3b 0a 58 20 | 20 20 20 6e 65 69 67 68 |[2]);.X | neigh|
|00002b40| 73 75 6d 20 2b 3d 20 6e | 65 69 67 68 73 75 6d 3b |sum += n|eighsum;|
|00002b50| 0a 58 20 20 20 20 6e 65 | 69 67 68 73 75 6d 20 2b |.X ne|ighsum +|
|00002b60| 3d 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 2a 61 62 |= GETJSA|MPLE(*ab|
|00002b70| 6f 76 65 5f 70 74 72 29 | 20 2b 20 47 45 54 4a 53 |ove_ptr)| + GETJS|
|00002b80| 41 4d 50 4c 45 28 61 62 | 6f 76 65 5f 70 74 72 5b |AMPLE(ab|ove_ptr[|
|00002b90| 32 5d 29 20 2b 0a 58 09 | 09 47 45 54 4a 53 41 4d |2]) +.X.|.GETJSAM|
|00002ba0| 50 4c 45 28 2a 62 65 6c | 6f 77 5f 70 74 72 29 20 |PLE(*bel|ow_ptr) |
|00002bb0| 2b 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 62 65 6c |+ GETJSA|MPLE(bel|
|00002bc0| 6f 77 5f 70 74 72 5b 32 | 5d 29 3b 0a 58 20 20 20 |ow_ptr[2|]);.X |
|00002bd0| 20 6d 65 6d 62 65 72 73 | 75 6d 20 3d 20 6d 65 6d | members|um = mem|
|00002be0| 62 65 72 73 75 6d 20 2a | 20 6d 65 6d 62 65 72 73 |bersum *| members|
|00002bf0| 63 61 6c 65 20 2b 20 6e | 65 69 67 68 73 75 6d 20 |cale + n|eighsum |
|00002c00| 2a 20 6e 65 69 67 68 73 | 63 61 6c 65 3b 0a 58 20 |* neighs|cale;.X |
|00002c10| 20 20 20 2a 6f 75 74 70 | 74 72 2b 2b 20 3d 20 28 | *outp|tr++ = (|
|00002c20| 4a 53 41 4d 50 4c 45 29 | 20 28 28 6d 65 6d 62 65 |JSAMPLE)| ((membe|
|00002c30| 72 73 75 6d 20 2b 20 33 | 32 37 36 38 4c 29 20 3e |rsum + 3|2768L) >|
|00002c40| 3e 20 31 36 29 3b 0a 58 | 20 20 20 20 69 6e 70 74 |> 16);.X| inpt|
|00002c50| 72 30 20 2b 3d 20 32 3b | 20 69 6e 70 74 72 31 20 |r0 += 2;| inptr1 |
|00002c60| 2b 3d 20 32 3b 20 61 62 | 6f 76 65 5f 70 74 72 20 |+= 2; ab|ove_ptr |
|00002c70| 2b 3d 20 32 3b 20 62 65 | 6c 6f 77 5f 70 74 72 20 |+= 2; be|low_ptr |
|00002c80| 2b 3d 20 32 3b 0a 58 0a | 58 20 20 20 20 66 6f 72 |+= 2;.X.|X for|
|00002c90| 20 28 63 6f 6c 63 74 72 | 20 3d 20 6f 75 74 70 75 | (colctr| = outpu|
|00002ca0| 74 5f 63 6f 6c 73 20 2d | 20 32 3b 20 63 6f 6c 63 |t_cols -| 2; colc|
|00002cb0| 74 72 20 3e 20 30 3b 20 | 63 6f 6c 63 74 72 2d 2d |tr > 0; |colctr--|
|00002cc0| 29 20 7b 0a 58 20 20 20 | 20 20 20 2f 2a 20 73 75 |) {.X | /* su|
|00002cd0| 6d 20 6f 66 20 70 69 78 | 65 6c 73 20 64 69 72 65 |m of pix|els dire|
|00002ce0| 63 74 6c 79 20 6d 61 70 | 70 65 64 20 74 6f 20 74 |ctly map|ped to t|
|00002cf0| 68 69 73 20 6f 75 74 70 | 75 74 20 65 6c 65 6d 65 |his outp|ut eleme|
|00002d00| 6e 74 20 2a 2f 0a 58 20 | 20 20 20 20 20 6d 65 6d |nt */.X | mem|
|00002d10| 62 65 72 73 75 6d 20 3d | 20 47 45 54 4a 53 41 4d |bersum =| GETJSAM|
|00002d20| 50 4c 45 28 2a 69 6e 70 | 74 72 30 29 20 2b 20 47 |PLE(*inp|tr0) + G|
|00002d30| 45 54 4a 53 41 4d 50 4c | 45 28 69 6e 70 74 72 30 |ETJSAMPL|E(inptr0|
|00002d40| 5b 31 5d 29 20 2b 0a 58 | 09 09 20 20 47 45 54 4a |[1]) +.X|.. GETJ|
|00002d50| 53 41 4d 50 4c 45 28 2a | 69 6e 70 74 72 31 29 20 |SAMPLE(*|inptr1) |
|00002d60| 2b 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 69 6e 70 |+ GETJSA|MPLE(inp|
|00002d70| 74 72 31 5b 31 5d 29 3b | 0a 58 20 20 20 20 20 20 |tr1[1]);|.X |
|00002d80| 2f 2a 20 73 75 6d 20 6f | 66 20 65 64 67 65 2d 6e |/* sum o|f edge-n|
|00002d90| 65 69 67 68 62 6f 72 20 | 70 69 78 65 6c 73 20 2a |eighbor |pixels *|
|00002da0| 2f 0a 58 20 20 20 20 20 | 20 6e 65 69 67 68 73 75 |/.X | neighsu|
|00002db0| 6d 20 3d 20 47 45 54 4a | 53 41 4d 50 4c 45 28 2a |m = GETJ|SAMPLE(*|
|00002dc0| 61 62 6f 76 65 5f 70 74 | 72 29 20 2b 20 47 45 54 |above_pt|r) + GET|
|00002dd0| 4a 53 41 4d 50 4c 45 28 | 61 62 6f 76 65 5f 70 74 |JSAMPLE(|above_pt|
|00002de0| 72 5b 31 5d 29 20 2b 0a | 58 09 09 20 47 45 54 4a |r[1]) +.|X.. GETJ|
|00002df0| 53 41 4d 50 4c 45 28 2a | 62 65 6c 6f 77 5f 70 74 |SAMPLE(*|below_pt|
|00002e00| 72 29 20 2b 20 47 45 54 | 4a 53 41 4d 50 4c 45 28 |r) + GET|JSAMPLE(|
|00002e10| 62 65 6c 6f 77 5f 70 74 | 72 5b 31 5d 29 20 2b 0a |below_pt|r[1]) +.|
|00002e20| 58 09 09 20 47 45 54 4a | 53 41 4d 50 4c 45 28 69 |X.. GETJ|SAMPLE(i|
|00002e30| 6e 70 74 72 30 5b 2d 31 | 5d 29 20 2b 20 47 45 54 |nptr0[-1|]) + GET|
|00002e40| 4a 53 41 4d 50 4c 45 28 | 69 6e 70 74 72 30 5b 32 |JSAMPLE(|inptr0[2|
|00002e50| 5d 29 20 2b 0a 58 09 09 | 20 47 45 54 4a 53 41 4d |]) +.X..| GETJSAM|
|00002e60| 50 4c 45 28 69 6e 70 74 | 72 31 5b 2d 31 5d 29 20 |PLE(inpt|r1[-1]) |
|00002e70| 2b 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 69 6e 70 |+ GETJSA|MPLE(inp|
|00002e80| 74 72 31 5b 32 5d 29 3b | 0a 58 20 20 20 20 20 20 |tr1[2]);|.X |
|00002e90| 2f 2a 20 54 68 65 20 65 | 64 67 65 2d 6e 65 69 67 |/* The e|dge-neig|
|00002ea0| 68 62 6f 72 73 20 63 6f | 75 6e 74 20 74 77 69 63 |hbors co|unt twic|
|00002eb0| 65 20 61 73 20 6d 75 63 | 68 20 61 73 20 63 6f 72 |e as muc|h as cor|
|00002ec0| 6e 65 72 2d 6e 65 69 67 | 68 62 6f 72 73 20 2a 2f |ner-neig|hbors */|
|00002ed0| 0a 58 20 20 20 20 20 20 | 6e 65 69 67 68 73 75 6d |.X |neighsum|
|00002ee0| 20 2b 3d 20 6e 65 69 67 | 68 73 75 6d 3b 0a 58 20 | += neig|hsum;.X |
|00002ef0| 20 20 20 20 20 2f 2a 20 | 41 64 64 20 69 6e 20 74 | /* |Add in t|
|00002f00| 68 65 20 63 6f 72 6e 65 | 72 2d 6e 65 69 67 68 62 |he corne|r-neighb|
|00002f10| 6f 72 73 20 2a 2f 0a 58 | 20 20 20 20 20 20 6e 65 |ors */.X| ne|
|00002f20| 69 67 68 73 75 6d 20 2b | 3d 20 47 45 54 4a 53 41 |ighsum +|= GETJSA|
|00002f30| 4d 50 4c 45 28 61 62 6f | 76 65 5f 70 74 72 5b 2d |MPLE(abo|ve_ptr[-|
|00002f40| 31 5d 29 20 2b 20 47 45 | 54 4a 53 41 4d 50 4c 45 |1]) + GE|TJSAMPLE|
|00002f50| 28 61 62 6f 76 65 5f 70 | 74 72 5b 32 5d 29 20 2b |(above_p|tr[2]) +|
|00002f60| 0a 58 09 09 20 20 47 45 | 54 4a 53 41 4d 50 4c 45 |.X.. GE|TJSAMPLE|
|00002f70| 28 62 65 6c 6f 77 5f 70 | 74 72 5b 2d 31 5d 29 20 |(below_p|tr[-1]) |
|00002f80| 2b 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 62 65 6c |+ GETJSA|MPLE(bel|
|00002f90| 6f 77 5f 70 74 72 5b 32 | 5d 29 3b 0a 58 20 20 20 |ow_ptr[2|]);.X |
|00002fa0| 20 20 20 2f 2a 20 66 6f | 72 6d 20 66 69 6e 61 6c | /* fo|rm final|
|00002fb0| 20 6f 75 74 70 75 74 20 | 73 63 61 6c 65 64 20 75 | output |scaled u|
|00002fc0| 70 20 62 79 20 32 5e 31 | 36 20 2a 2f 0a 58 20 20 |p by 2^1|6 */.X |
|00002fd0| 20 20 20 20 6d 65 6d 62 | 65 72 73 75 6d 20 3d 20 | memb|ersum = |
|00002fe0| 6d 65 6d 62 65 72 73 75 | 6d 20 2a 20 6d 65 6d 62 |membersu|m * memb|
|00002ff0| 65 72 73 63 61 6c 65 20 | 2b 20 6e 65 69 67 68 73 |erscale |+ neighs|
|00003000| 75 6d 20 2a 20 6e 65 69 | 67 68 73 63 61 6c 65 3b |um * nei|ghscale;|
|00003010| 0a 58 20 20 20 20 20 20 | 2f 2a 20 72 6f 75 6e 64 |.X |/* round|
|00003020| 2c 20 64 65 73 63 61 6c | 65 20 61 6e 64 20 6f 75 |, descal|e and ou|
|00003030| 74 70 75 74 20 69 74 20 | 2a 2f 0a 58 20 20 20 20 |tput it |*/.X |
|00003040| 20 20 2a 6f 75 74 70 74 | 72 2b 2b 20 3d 20 28 4a | *outpt|r++ = (J|
|00003050| 53 41 4d 50 4c 45 29 20 | 28 28 6d 65 6d 62 65 72 |SAMPLE) |((member|
|00003060| 73 75 6d 20 2b 20 33 32 | 37 36 38 4c 29 20 3e 3e |sum + 32|768L) >>|
|00003070| 20 31 36 29 3b 0a 58 20 | 20 20 20 20 20 69 6e 70 | 16);.X | inp|
|00003080| 74 72 30 20 2b 3d 20 32 | 3b 20 69 6e 70 74 72 31 |tr0 += 2|; inptr1|
|00003090| 20 2b 3d 20 32 3b 20 61 | 62 6f 76 65 5f 70 74 72 | += 2; a|bove_ptr|
|000030a0| 20 2b 3d 20 32 3b 20 62 | 65 6c 6f 77 5f 70 74 72 | += 2; b|elow_ptr|
|000030b0| 20 2b 3d 20 32 3b 0a 58 | 20 20 20 20 7d 0a 58 0a | += 2;.X| }.X.|
|000030c0| 58 20 20 20 20 2f 2a 20 | 53 70 65 63 69 61 6c 20 |X /* |Special |
|000030d0| 63 61 73 65 20 66 6f 72 | 20 6c 61 73 74 20 63 6f |case for| last co|
|000030e0| 6c 75 6d 6e 20 2a 2f 0a | 58 20 20 20 20 6d 65 6d |lumn */.|X mem|
|000030f0| 62 65 72 73 75 6d 20 3d | 20 47 45 54 4a 53 41 4d |bersum =| GETJSAM|
|00003100| 50 4c 45 28 2a 69 6e 70 | 74 72 30 29 20 2b 20 47 |PLE(*inp|tr0) + G|
|00003110| 45 54 4a 53 41 4d 50 4c | 45 28 69 6e 70 74 72 30 |ETJSAMPL|E(inptr0|
|00003120| 5b 31 5d 29 20 2b 0a 58 | 09 09 47 45 54 4a 53 41 |[1]) +.X|..GETJSA|
|00003130| 4d 50 4c 45 28 2a 69 6e | 70 74 72 31 29 20 2b 20 |MPLE(*in|ptr1) + |
|00003140| 47 45 54 4a 53 41 4d 50 | 4c 45 28 69 6e 70 74 72 |GETJSAMP|LE(inptr|
|00003150| 31 5b 31 5d 29 3b 0a 58 | 20 20 20 20 6e 65 69 67 |1[1]);.X| neig|
|00003160| 68 73 75 6d 20 3d 20 47 | 45 54 4a 53 41 4d 50 4c |hsum = G|ETJSAMPL|
|00003170| 45 28 2a 61 62 6f 76 65 | 5f 70 74 72 29 20 2b 20 |E(*above|_ptr) + |
|00003180| 47 45 54 4a 53 41 4d 50 | 4c 45 28 61 62 6f 76 65 |GETJSAMP|LE(above|
|00003190| 5f 70 74 72 5b 31 5d 29 | 20 2b 0a 58 09 20 20 20 |_ptr[1])| +.X. |
|000031a0| 20 20 20 20 47 45 54 4a | 53 41 4d 50 4c 45 28 2a | GETJ|SAMPLE(*|
|000031b0| 62 65 6c 6f 77 5f 70 74 | 72 29 20 2b 20 47 45 54 |below_pt|r) + GET|
|000031c0| 4a 53 41 4d 50 4c 45 28 | 62 65 6c 6f 77 5f 70 74 |JSAMPLE(|below_pt|
|000031d0| 72 5b 31 5d 29 20 2b 0a | 58 09 20 20 20 20 20 20 |r[1]) +.|X. |
|000031e0| 20 47 45 54 4a 53 41 4d | 50 4c 45 28 69 6e 70 74 | GETJSAM|PLE(inpt|
|000031f0| 72 30 5b 2d 31 5d 29 20 | 2b 20 47 45 54 4a 53 41 |r0[-1]) |+ GETJSA|
|00003200| 4d 50 4c 45 28 69 6e 70 | 74 72 30 5b 31 5d 29 20 |MPLE(inp|tr0[1]) |
|00003210| 2b 0a 58 09 20 20 20 20 | 20 20 20 47 45 54 4a 53 |+.X. | GETJS|
|00003220| 41 4d 50 4c 45 28 69 6e | 70 74 72 31 5b 2d 31 5d |AMPLE(in|ptr1[-1]|
|00003230| 29 20 2b 20 47 45 54 4a | 53 41 4d 50 4c 45 28 69 |) + GETJ|SAMPLE(i|
|00003240| 6e 70 74 72 31 5b 31 5d | 29 3b 0a 58 20 20 20 20 |nptr1[1]|);.X |
|00003250| 6e 65 69 67 68 73 75 6d | 20 2b 3d 20 6e 65 69 67 |neighsum| += neig|
|00003260| 68 73 75 6d 3b 0a 58 20 | 20 20 20 6e 65 69 67 68 |hsum;.X | neigh|
|00003270| 73 75 6d 20 2b 3d 20 47 | 45 54 4a 53 41 4d 50 4c |sum += G|ETJSAMPL|
|00003280| 45 28 61 62 6f 76 65 5f | 70 74 72 5b 2d 31 5d 29 |E(above_|ptr[-1])|
|00003290| 20 2b 20 47 45 54 4a 53 | 41 4d 50 4c 45 28 61 62 | + GETJS|AMPLE(ab|
|000032a0| 6f 76 65 5f 70 74 72 5b | 31 5d 29 20 2b 0a 58 09 |ove_ptr[|1]) +.X.|
|000032b0| 09 47 45 54 4a 53 41 4d | 50 4c 45 28 62 65 6c 6f |.GETJSAM|PLE(belo|
|000032c0| 77 5f 70 74 72 5b 2d 31 | 5d 29 20 2b 20 47 45 54 |w_ptr[-1|]) + GET|
|000032d0| 4a 53 41 4d 50 4c 45 28 | 62 65 6c 6f 77 5f 70 74 |JSAMPLE(|below_pt|
|000032e0| 72 5b 31 5d 29 3b 0a 58 | 20 20 20 20 6d 65 6d 62 |r[1]);.X| memb|
|000032f0| 65 72 73 75 6d 20 3d 20 | 6d 65 6d 62 65 72 73 75 |ersum = |membersu|
|00003300| 6d 20 2a 20 6d 65 6d 62 | 65 72 73 63 61 6c 65 20 |m * memb|erscale |
|00003310| 2b 20 6e 65 69 67 68 73 | 75 6d 20 2a 20 6e 65 69 |+ neighs|um * nei|
|00003320| 67 68 73 63 61 6c 65 3b | 0a 58 20 20 20 20 2a 6f |ghscale;|.X *o|
|00003330| 75 74 70 74 72 20 3d 20 | 28 4a 53 41 4d 50 4c 45 |utptr = |(JSAMPLE|
|00003340| 29 20 28 28 6d 65 6d 62 | 65 72 73 75 6d 20 2b 20 |) ((memb|ersum + |
|00003350| 33 32 37 36 38 4c 29 20 | 3e 3e 20 31 36 29 3b 0a |32768L) |>> 16);.|
|00003360| 58 0a 58 20 20 20 20 69 | 6e 72 6f 77 20 2b 3d 20 |X.X i|nrow += |
|00003370| 32 3b 0a 58 20 20 7d 0a | 58 7d 0a 58 0a 58 0a 58 |2;.X }.|X}.X.X.X|
|00003380| 2f 2a 0a 58 20 2a 20 44 | 6f 77 6e 73 61 6d 70 6c |/*.X * D|ownsampl|
|00003390| 65 20 70 69 78 65 6c 20 | 76 61 6c 75 65 73 20 6f |e pixel |values o|
|000033a0| 66 20 61 20 73 69 6e 67 | 6c 65 20 63 6f 6d 70 6f |f a sing|le compo|
|000033b0| 6e 65 6e 74 2e 0a 58 20 | 2a 20 54 68 69 73 20 76 |nent..X |* This v|
|000033c0| 65 72 73 69 6f 6e 20 68 | 61 6e 64 6c 65 73 20 74 |ersion h|andles t|
|000033d0| 68 65 20 73 70 65 63 69 | 61 6c 20 63 61 73 65 20 |he speci|al case |
|000033e0| 6f 66 20 61 20 66 75 6c | 6c 2d 73 69 7a 65 20 63 |of a ful|l-size c|
|000033f0| 6f 6d 70 6f 6e 65 6e 74 | 2c 0a 58 20 2a 20 77 69 |omponent|,.X * wi|
|00003400| 74 68 20 73 6d 6f 6f 74 | 68 69 6e 67 2e 0a 58 20 |th smoot|hing..X |
|00003410| 2a 2f 0a 58 0a 58 4d 45 | 54 48 4f 44 44 45 46 20 |*/.X.XME|THODDEF |
|00003420| 76 6f 69 64 0a 58 66 75 | 6c 6c 73 69 7a 65 5f 73 |void.Xfu|llsize_s|
|00003430| 6d 6f 6f 74 68 5f 64 6f | 77 6e 73 61 6d 70 6c 65 |mooth_do|wnsample|
|00003440| 20 28 63 6f 6d 70 72 65 | 73 73 5f 69 6e 66 6f 5f | (compre|ss_info_|
|00003450| 70 74 72 20 63 69 6e 66 | 6f 2c 20 69 6e 74 20 77 |ptr cinf|o, int w|
|00003460| 68 69 63 68 5f 63 6f 6d | 70 6f 6e 65 6e 74 2c 0a |hich_com|ponent,.|
|00003470| 58 09 09 09 20 20 20 20 | 6c 6f 6e 67 20 69 6e 70 |X... |long inp|
|00003480| 75 74 5f 63 6f 6c 73 2c | 20 69 6e 74 20 69 6e 70 |ut_cols,| int inp|
|00003490| 75 74 5f 72 6f 77 73 2c | 0a 58 09 09 09 20 20 20 |ut_rows,|.X... |
|000034a0| 20 6c 6f 6e 67 20 6f 75 | 74 70 75 74 5f 63 6f 6c | long ou|tput_col|
|000034b0| 73 2c 20 69 6e 74 20 6f | 75 74 70 75 74 5f 72 6f |s, int o|utput_ro|
|000034c0| 77 73 2c 0a 58 09 09 09 | 20 20 20 20 4a 53 41 4d |ws,.X...| JSAM|
|000034d0| 50 41 52 52 41 59 20 61 | 62 6f 76 65 2c 20 4a 53 |PARRAY a|bove, JS|
|000034e0| 41 4d 50 41 52 52 41 59 | 20 69 6e 70 75 74 5f 64 |AMPARRAY| input_d|
|000034f0| 61 74 61 2c 20 4a 53 41 | 4d 50 41 52 52 41 59 20 |ata, JSA|MPARRAY |
|00003500| 62 65 6c 6f 77 2c 0a 58 | 09 09 09 20 20 20 20 4a |below,.X|... J|
|00003510| 53 41 4d 50 41 52 52 41 | 59 20 6f 75 74 70 75 74 |SAMPARRA|Y output|
|00003520| 5f 64 61 74 61 29 0a 58 | 7b 0a 58 20 20 69 6e 74 |_data).X|{.X int|
|00003530| 20 6f 75 74 72 6f 77 3b | 0a 58 20 20 6c 6f 6e 67 | outrow;|.X long|
|00003540| 20 63 6f 6c 63 74 72 3b | 0a 58 20 20 72 65 67 69 | colctr;|.X regi|
|00003550| 73 74 65 72 20 4a 53 41 | 4d 50 52 4f 57 20 69 6e |ster JSA|MPROW in|
|00003560| 70 74 72 2c 20 61 62 6f | 76 65 5f 70 74 72 2c 20 |ptr, abo|ve_ptr, |
|00003570| 62 65 6c 6f 77 5f 70 74 | 72 2c 20 6f 75 74 70 74 |below_pt|r, outpt|
|00003580| 72 3b 0a 58 20 20 49 4e | 54 33 32 20 6d 65 6d 62 |r;.X IN|T32 memb|
|00003590| 65 72 73 75 6d 2c 20 6e | 65 69 67 68 73 75 6d 2c |ersum, n|eighsum,|
|000035a0| 20 6d 65 6d 62 65 72 73 | 63 61 6c 65 2c 20 6e 65 | members|cale, ne|
|000035b0| 69 67 68 73 63 61 6c 65 | 3b 0a 58 20 20 69 6e 74 |ighscale|;.X int|
|000035c0| 20 63 6f 6c 73 75 6d 2c | 20 6c 61 73 74 63 6f 6c | colsum,| lastcol|
|000035d0| 73 75 6d 2c 20 6e 65 78 | 74 63 6f 6c 73 75 6d 3b |sum, nex|tcolsum;|
|000035e0| 0a 58 0a 58 23 69 66 64 | 65 66 20 44 45 42 55 47 |.X.X#ifd|ef DEBUG|
|000035f0| 09 09 09 2f 2a 20 66 6f | 72 20 64 65 62 75 67 67 |.../* fo|r debugg|
|00003600| 69 6e 67 20 70 69 70 65 | 6c 69 6e 65 20 63 6f 6e |ing pipe|line con|
|00003610| 74 72 6f 6c 6c 65 72 20 | 2a 2f 0a 58 20 20 69 66 |troller |*/.X if|
|00003620| 20 28 69 6e 70 75 74 5f | 63 6f 6c 73 20 21 3d 20 | (input_|cols != |
|00003630| 6f 75 74 70 75 74 5f 63 | 6f 6c 73 20 7c 7c 20 69 |output_c|ols || i|
|00003640| 6e 70 75 74 5f 72 6f 77 | 73 20 21 3d 20 6f 75 74 |nput_row|s != out|
|00003650| 70 75 74 5f 72 6f 77 73 | 29 0a 58 20 20 20 20 45 |put_rows|).X E|
|00003660| 52 52 45 58 49 54 28 63 | 69 6e 66 6f 2d 3e 65 6d |RREXIT(c|info->em|
|00003670| 65 74 68 6f 64 73 2c 20 | 22 50 69 70 65 6c 69 6e |ethods, |"Pipelin|
|00003680| 65 20 63 6f 6e 74 72 6f | 6c 6c 65 72 20 6d 65 73 |e contro|ller mes|
|00003690| 73 65 64 20 75 70 22 29 | 3b 0a 58 23 65 6e 64 69 |sed up")|;.X#endi|
|000036a0| 66 0a 58 0a 58 20 20 2f | 2a 20 45 61 63 68 20 6f |f.X.X /|* Each o|
|000036b0| 66 20 74 68 65 20 65 69 | 67 68 74 20 6e 65 69 67 |f the ei|ght neig|
|000036c0| 68 62 6f 72 20 70 69 78 | 65 6c 73 20 63 6f 6e 74 |hbor pix|els cont|
|000036d0| 72 69 62 75 74 65 73 20 | 61 20 66 72 61 63 74 69 |ributes |a fracti|
|000036e0| 6f 6e 20 53 46 20 74 6f | 20 74 68 65 0a 58 20 20 |on SF to| the.X |
|000036f0| 20 2a 20 73 6d 6f 6f 74 | 68 65 64 20 70 69 78 65 | * smoot|hed pixe|
|00003700| 6c 2c 20 77 68 69 6c 65 | 20 74 68 65 20 6d 61 69 |l, while| the mai|
|00003710| 6e 20 70 69 78 65 6c 20 | 63 6f 6e 74 72 69 62 75 |n pixel |contribu|
|00003720| 74 65 73 20 28 31 2d 38 | 2a 53 46 29 2e 20 20 49 |tes (1-8|*SF). I|
|00003730| 6e 20 6f 72 64 65 72 0a | 58 20 20 20 2a 20 74 6f |n order.|X * to|
|00003740| 20 75 73 65 20 69 6e 74 | 65 67 65 72 20 61 72 69 | use int|eger ari|
|00003750| 74 68 6d 65 74 69 63 2c | 20 74 68 65 73 65 20 66 |thmetic,| these f|
|00003760| 61 63 74 6f 72 73 20 61 | 72 65 20 6d 75 6c 74 69 |actors a|re multi|
|00003770| 70 6c 69 65 64 20 62 79 | 20 32 5e 31 36 20 3d 20 |plied by| 2^16 = |
|00003780| 36 35 35 33 36 2e 0a 58 | 20 20 20 2a 20 41 6c 73 |65536..X| * Als|
|00003790| 6f 20 72 65 63 61 6c 6c | 20 74 68 61 74 20 53 46 |o recall| that SF|
|000037a0| 20 3d 20 73 6d 6f 6f 74 | 68 69 6e 67 5f 66 61 63 | = smoot|hing_fac|
|000037b0| 74 6f 72 20 2f 20 31 30 | 32 34 2e 0a 58 20 20 20 |tor / 10|24..X |
|000037c0| 2a 2f 0a 58 0a 58 20 20 | 6d 65 6d 62 65 72 73 63 |*/.X.X |membersc|
|000037d0| 61 6c 65 20 3d 20 36 35 | 35 33 36 4c 20 2d 20 63 |ale = 65|536L - c|
|000037e0| 69 6e 66 6f 2d 3e 73 6d | 6f 6f 74 68 69 6e 67 5f |info->sm|oothing_|
|000037f0| 66 61 63 74 6f 72 20 2a | 20 35 31 32 4c 3b 20 2f |factor *| 512L; /|
|00003800| 2a 20 73 63 61 6c 65 64 | 20 31 2d 38 2a 53 46 20 |* scaled| 1-8*SF |
|00003810| 2a 2f 0a 58 20 20 6e 65 | 69 67 68 73 63 61 6c 65 |*/.X ne|ighscale|
|00003820| 20 3d 20 63 69 6e 66 6f | 2d 3e 73 6d 6f 6f 74 68 | = cinfo|->smooth|
|00003830| 69 6e 67 5f 66 61 63 74 | 6f 72 20 2a 20 36 34 3b |ing_fact|or * 64;|
|00003840| 20 2f 2a 20 73 63 61 6c | 65 64 20 53 46 20 2a 2f | /* scal|ed SF */|
|00003850| 0a 58 0a 58 20 20 66 6f | 72 20 28 6f 75 74 72 6f |.X.X fo|r (outro|
|00003860| 77 20 3d 20 30 3b 20 6f | 75 74 72 6f 77 20 3c 20 |w = 0; o|utrow < |
|00003870| 6f 75 74 70 75 74 5f 72 | 6f 77 73 3b 20 6f 75 74 |output_r|ows; out|
|00003880| 72 6f 77 2b 2b 29 20 7b | 0a 58 20 20 20 20 6f 75 |row++) {|.X ou|
|00003890| 74 70 74 72 20 3d 20 6f | 75 74 70 75 74 5f 64 61 |tptr = o|utput_da|
|000038a0| 74 61 5b 6f 75 74 72 6f | 77 5d 3b 0a 58 20 20 20 |ta[outro|w];.X |
|000038b0| 20 69 6e 70 74 72 20 3d | 20 69 6e 70 75 74 5f 64 | inptr =| input_d|
|000038c0| 61 74 61 5b 6f 75 74 72 | 6f 77 5d 3b 0a 58 20 20 |ata[outr|ow];.X |
|000038d0| 20 20 69 66 20 28 6f 75 | 74 72 6f 77 20 3d 3d 20 | if (ou|trow == |
|000038e0| 30 29 0a 58 20 20 20 20 | 20 20 61 62 6f 76 65 5f |0).X | above_|
|000038f0| 70 74 72 20 3d 20 61 62 | 6f 76 65 5b 69 6e 70 75 |ptr = ab|ove[inpu|
|00003900| 74 5f 72 6f 77 73 2d 31 | 5d 3b 0a 58 20 20 20 20 |t_rows-1|];.X |
|00003910| 65 6c 73 65 0a 58 20 20 | 20 20 20 20 61 62 6f 76 |else.X | abov|
|00003920| 65 5f 70 74 72 20 3d 20 | 69 6e 70 75 74 5f 64 61 |e_ptr = |input_da|
|00003930| 74 61 5b 6f 75 74 72 6f | 77 2d 31 5d 3b 0a 58 20 |ta[outro|w-1];.X |
|00003940| 20 20 20 69 66 20 28 6f | 75 74 72 6f 77 20 3e 3d | if (o|utrow >=|
|00003950| 20 69 6e 70 75 74 5f 72 | 6f 77 73 2d 31 29 0a 58 | input_r|ows-1).X|
|00003960| 20 20 20 20 20 20 62 65 | 6c 6f 77 5f 70 74 72 20 | be|low_ptr |
|00003970| 3d 20 62 65 6c 6f 77 5b | 30 5d 3b 0a 58 20 20 20 |= below[|0];.X |
|00003980| 20 65 6c 73 65 0a 58 20 | 20 20 20 20 20 62 65 6c | else.X | bel|
|00003990| 6f 77 5f 70 74 72 20 3d | 20 69 6e 70 75 74 5f 64 |ow_ptr =| input_d|
|000039a0| 61 74 61 5b 6f 75 74 72 | 6f 77 2b 31 5d 3b 0a 58 |ata[outr|ow+1];.X|
|000039b0| 0a 58 20 20 20 20 2f 2a | 20 53 70 65 63 69 61 6c |.X /*| Special|
|000039c0| 20 63 61 73 65 20 66 6f | 72 20 66 69 72 73 74 20 | case fo|r first |
|000039d0| 63 6f 6c 75 6d 6e 20 2a | 2f 0a 58 20 20 20 20 63 |column *|/.X c|
|000039e0| 6f 6c 73 75 6d 20 3d 20 | 47 45 54 4a 53 41 4d 50 |olsum = |GETJSAMP|
|000039f0| 4c 45 28 2a 61 62 6f 76 | 65 5f 70 74 72 2b 2b 29 |LE(*abov|e_ptr++)|
|00003a00| 20 2b 20 47 45 54 4a 53 | 41 4d 50 4c 45 28 2a 62 | + GETJS|AMPLE(*b|
|00003a10| 65 6c 6f 77 5f 70 74 72 | 2b 2b 29 20 2b 0a 58 09 |elow_ptr|++) +.X.|
|00003a20| 20 20 20 20 20 47 45 54 | 4a 53 41 4d 50 4c 45 28 | GET|JSAMPLE(|
|00003a30| 2a 69 6e 70 74 72 29 3b | 0a 58 20 20 20 20 6d 65 |*inptr);|.X me|
|00003a40| 6d 62 65 72 73 75 6d 20 | 3d 20 47 45 54 4a 53 41 |mbersum |= GETJSA|
|00003a50| 4d 50 4c 45 28 2a 69 6e | 70 74 72 2b 2b 29 3b 0a |MPLE(*in|ptr++);.|
|00003a60| 58 20 20 20 20 6e 65 78 | 74 63 6f 6c 73 75 6d 20 |X nex|tcolsum |
|00003a70| 3d 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 2a 61 62 |= GETJSA|MPLE(*ab|
|00003a80| 6f 76 65 5f 70 74 72 29 | 20 2b 20 47 45 54 4a 53 |ove_ptr)| + GETJS|
|00003a90| 41 4d 50 4c 45 28 2a 62 | 65 6c 6f 77 5f 70 74 72 |AMPLE(*b|elow_ptr|
|00003aa0| 29 20 2b 0a 58 09 09 20 | 47 45 54 4a 53 41 4d 50 |) +.X.. |GETJSAMP|
|00003ab0| 4c 45 28 2a 69 6e 70 74 | 72 29 3b 0a 58 20 20 20 |LE(*inpt|r);.X |
|00003ac0| 20 6e 65 69 67 68 73 75 | 6d 20 3d 20 63 6f 6c 73 | neighsu|m = cols|
|00003ad0| 75 6d 20 2b 20 28 63 6f | 6c 73 75 6d 20 2d 20 6d |um + (co|lsum - m|
|00003ae0| 65 6d 62 65 72 73 75 6d | 29 20 2b 20 6e 65 78 74 |embersum|) + next|
|00003af0| 63 6f 6c 73 75 6d 3b 0a | 58 20 20 20 20 6d 65 6d |colsum;.|X mem|
|00003b00| 62 65 72 73 75 6d 20 3d | 20 6d 65 6d 62 65 72 73 |bersum =| members|
|00003b10| 75 6d 20 2a 20 6d 65 6d | 62 65 72 73 63 61 6c 65 |um * mem|berscale|
|00003b20| 20 2b 20 6e 65 69 67 68 | 73 75 6d 20 2a 20 6e 65 | + neigh|sum * ne|
|00003b30| 69 67 68 73 63 61 6c 65 | 3b 0a 58 20 20 20 20 2a |ighscale|;.X *|
|00003b40| 6f 75 74 70 74 72 2b 2b | 20 3d 20 28 4a 53 41 4d |outptr++| = (JSAM|
|00003b50| 50 4c 45 29 20 28 28 6d | 65 6d 62 65 72 73 75 6d |PLE) ((m|embersum|
|00003b60| 20 2b 20 33 32 37 36 38 | 4c 29 20 3e 3e 20 31 36 | + 32768|L) >> 16|
|00003b70| 29 3b 0a 58 20 20 20 20 | 6c 61 73 74 63 6f 6c 73 |);.X |lastcols|
|00003b80| 75 6d 20 3d 20 63 6f 6c | 73 75 6d 3b 20 63 6f 6c |um = col|sum; col|
|00003b90| 73 75 6d 20 3d 20 6e 65 | 78 74 63 6f 6c 73 75 6d |sum = ne|xtcolsum|
|00003ba0| 3b 0a 58 0a 58 20 20 20 | 20 66 6f 72 20 28 63 6f |;.X.X | for (co|
|00003bb0| 6c 63 74 72 20 3d 20 6f | 75 74 70 75 74 5f 63 6f |lctr = o|utput_co|
|00003bc0| 6c 73 20 2d 20 32 3b 20 | 63 6f 6c 63 74 72 20 3e |ls - 2; |colctr >|
|00003bd0| 20 30 3b 20 63 6f 6c 63 | 74 72 2d 2d 29 20 7b 0a | 0; colc|tr--) {.|
|00003be0| 58 20 20 20 20 20 20 6d | 65 6d 62 65 72 73 75 6d |X m|embersum|
|00003bf0| 20 3d 20 47 45 54 4a 53 | 41 4d 50 4c 45 28 2a 69 | = GETJS|AMPLE(*i|
|00003c00| 6e 70 74 72 2b 2b 29 3b | 0a 58 20 20 20 20 20 20 |nptr++);|.X |
|00003c10| 61 62 6f 76 65 5f 70 74 | 72 2b 2b 3b 20 62 65 6c |above_pt|r++; bel|
|00003c20| 6f 77 5f 70 74 72 2b 2b | 3b 0a 58 20 20 20 20 20 |ow_ptr++|;.X |
|00003c30| 20 6e 65 78 74 63 6f 6c | 73 75 6d 20 3d 20 47 45 | nextcol|sum = GE|
|00003c40| 54 4a 53 41 4d 50 4c 45 | 28 2a 61 62 6f 76 65 5f |TJSAMPLE|(*above_|
|00003c50| 70 74 72 29 20 2b 20 47 | 45 54 4a 53 41 4d 50 4c |ptr) + G|ETJSAMPL|
|00003c60| 45 28 2a 62 65 6c 6f 77 | 5f 70 74 72 29 20 2b 0a |E(*below|_ptr) +.|
|00003c70| 58 09 09 20 20 20 47 45 | 54 4a 53 41 4d 50 4c 45 |X.. GE|TJSAMPLE|
|00003c80| 28 2a 69 6e 70 74 72 29 | 3b 0a 58 20 20 20 20 20 |(*inptr)|;.X |
|00003c90| 20 6e 65 69 67 68 73 75 | 6d 20 3d 20 6c 61 73 74 | neighsu|m = last|
|00003ca0| 63 6f 6c 73 75 6d 20 2b | 20 28 63 6f 6c 73 75 6d |colsum +| (colsum|
|00003cb0| 20 2d 20 6d 65 6d 62 65 | 72 73 75 6d 29 20 2b 20 | - membe|rsum) + |
|00003cc0| 6e 65 78 74 63 6f 6c 73 | 75 6d 3b 0a 58 20 20 20 |nextcols|um;.X |
|00003cd0| 20 20 20 6d 65 6d 62 65 | 72 73 75 6d 20 3d 20 6d | membe|rsum = m|
|00003ce0| 65 6d 62 65 72 73 75 6d | 20 2a 20 6d 65 6d 62 65 |embersum| * membe|
|00003cf0| 72 73 63 61 6c 65 20 2b | 20 6e 65 69 67 68 73 75 |rscale +| neighsu|
|00003d00| 6d 20 2a 20 6e 65 69 67 | 68 73 63 61 6c 65 3b 0a |m * neig|hscale;.|
|00003d10| 58 20 20 20 20 20 20 2a | 6f 75 74 70 74 72 2b 2b |X *|outptr++|
|00003d20| 20 3d 20 28 4a 53 41 4d | 50 4c 45 29 20 28 28 6d | = (JSAM|PLE) ((m|
|00003d30| 65 6d 62 65 72 73 75 6d | 20 2b 20 33 32 37 36 38 |embersum| + 32768|
|00003d40| 4c 29 20 3e 3e 20 31 36 | 29 3b 0a 58 20 20 20 20 |L) >> 16|);.X |
|00003d50| 20 20 6c 61 73 74 63 6f | 6c 73 75 6d 20 3d 20 63 | lastco|lsum = c|
|00003d60| 6f 6c 73 75 6d 3b 20 63 | 6f 6c 73 75 6d 20 3d 20 |olsum; c|olsum = |
|00003d70| 6e 65 78 74 63 6f 6c 73 | 75 6d 3b 0a 58 20 20 20 |nextcols|um;.X |
|00003d80| 20 7d 0a 58 0a 58 20 20 | 20 20 2f 2a 20 53 70 65 | }.X.X | /* Spe|
|00003d90| 63 69 61 6c 20 63 61 73 | 65 20 66 6f 72 20 6c 61 |cial cas|e for la|
|00003da0| 73 74 20 63 6f 6c 75 6d | 6e 20 2a 2f 0a 58 20 20 |st colum|n */.X |
|00003db0| 20 20 6d 65 6d 62 65 72 | 73 75 6d 20 3d 20 47 45 | member|sum = GE|
|00003dc0| 54 4a 53 41 4d 50 4c 45 | 28 2a 69 6e 70 74 72 29 |TJSAMPLE|(*inptr)|
|00003dd0| 3b 0a 58 20 20 20 20 6e | 65 69 67 68 73 75 6d 20 |;.X n|eighsum |
|00003de0| 3d 20 6c 61 73 74 63 6f | 6c 73 75 6d 20 2b 20 28 |= lastco|lsum + (|
|00003df0| 63 6f 6c 73 75 6d 20 2d | 20 6d 65 6d 62 65 72 73 |colsum -| members|
|00003e00| 75 6d 29 20 2b 20 63 6f | 6c 73 75 6d 3b 0a 58 20 |um) + co|lsum;.X |
|00003e10| 20 20 20 6d 65 6d 62 65 | 72 73 75 6d 20 3d 20 6d | membe|rsum = m|
|00003e20| 65 6d 62 65 72 73 75 6d | 20 2a 20 6d 65 6d 62 65 |embersum| * membe|
|00003e30| 72 73 63 61 6c 65 20 2b | 20 6e 65 69 67 68 73 75 |rscale +| neighsu|
|00003e40| 6d 20 2a 20 6e 65 69 67 | 68 73 63 61 6c 65 3b 0a |m * neig|hscale;.|
|00003e50| 58 20 20 20 20 2a 6f 75 | 74 70 74 72 20 3d 20 28 |X *ou|tptr = (|
|00003e60| 4a 53 41 4d 50 4c 45 29 | 20 28 28 6d 65 6d 62 65 |JSAMPLE)| ((membe|
|00003e70| 72 73 75 6d 20 2b 20 33 | 32 37 36 38 4c 29 20 3e |rsum + 3|2768L) >|
|00003e80| 3e 20 31 36 29 3b 0a 58 | 0a 58 20 20 7d 0a 58 7d |> 16);.X|.X }.X}|
|00003e90| 0a 58 0a 58 23 65 6e 64 | 69 66 20 2f 2a 20 49 4e |.X.X#end|if /* IN|
|00003ea0| 50 55 54 5f 53 4d 4f 4f | 54 48 49 4e 47 5f 53 55 |PUT_SMOO|THING_SU|
|00003eb0| 50 50 4f 52 54 45 44 20 | 2a 2f 0a 58 0a 58 0a 58 |PPORTED |*/.X.X.X|
|00003ec0| 2f 2a 0a 58 20 2a 20 43 | 6c 65 61 6e 20 75 70 20 |/*.X * C|lean up |
|00003ed0| 61 66 74 65 72 20 61 20 | 73 63 61 6e 2e 0a 58 20 |after a |scan..X |
|00003ee0| 2a 2f 0a 58 0a 58 4d 45 | 54 48 4f 44 44 45 46 20 |*/.X.XME|THODDEF |
|00003ef0| 76 6f 69 64 0a 58 64 6f | 77 6e 73 61 6d 70 6c 65 |void.Xdo|wnsample|
|00003f00| 5f 74 65 72 6d 20 28 63 | 6f 6d 70 72 65 73 73 5f |_term (c|ompress_|
|00003f10| 69 6e 66 6f 5f 70 74 72 | 20 63 69 6e 66 6f 29 0a |info_ptr| cinfo).|
|00003f20| 58 7b 0a 58 20 20 2f 2a | 20 6e 6f 20 77 6f 72 6b |X{.X /*| no work|
|00003f30| 20 66 6f 72 20 6e 6f 77 | 20 2a 2f 0a 58 7d 0a 58 | for now| */.X}.X|
|00003f40| 0a 58 0a 58 0a 58 2f 2a | 0a 58 20 2a 20 54 68 65 |.X.X.X/*|.X * The|
|00003f50| 20 6d 65 74 68 6f 64 20 | 73 65 6c 65 63 74 69 6f | method |selectio|
|00003f60| 6e 20 72 6f 75 74 69 6e | 65 20 66 6f 72 20 64 6f |n routin|e for do|
|00003f70| 77 6e 73 61 6d 70 6c 69 | 6e 67 2e 0a 58 20 2a 20 |wnsampli|ng..X * |
|00003f80| 4e 6f 74 65 20 74 68 61 | 74 20 77 65 20 6d 75 73 |Note tha|t we mus|
|00003f90| 74 20 73 65 6c 65 63 74 | 20 61 20 72 6f 75 74 69 |t select| a routi|
|00003fa0| 6e 65 20 66 6f 72 20 65 | 61 63 68 20 63 6f 6d 70 |ne for e|ach comp|
|00003fb0| 6f 6e 65 6e 74 2e 0a 58 | 20 2a 2f 0a 58 0a 58 47 |onent..X| */.X.XG|
|00003fc0| 4c 4f 42 41 4c 20 76 6f | 69 64 0a 58 6a 73 65 6c |LOBAL vo|id.Xjsel|
|00003fd0| 64 6f 77 6e 73 61 6d 70 | 6c 65 20 28 63 6f 6d 70 |downsamp|le (comp|
|00003fe0| 72 65 73 73 5f 69 6e 66 | 6f 5f 70 74 72 20 63 69 |ress_inf|o_ptr ci|
|00003ff0| 6e 66 6f 29 0a 58 7b 0a | 58 20 20 73 68 6f 72 74 |nfo).X{.|X short|
|00004000| 20 63 69 3b 0a 58 20 20 | 6a 70 65 67 5f 63 6f 6d | ci;.X |jpeg_com|
|00004010| 70 6f 6e 65 6e 74 5f 69 | 6e 66 6f 20 2a 20 63 6f |ponent_i|nfo * co|
|00004020| 6d 70 70 74 72 3b 0a 58 | 20 20 62 6f 6f 6c 65 61 |mpptr;.X| boolea|
|00004030| 6e 20 73 6d 6f 6f 74 68 | 6f 6b 20 3d 20 54 52 55 |n smooth|ok = TRU|
|00004040| 45 3b 0a 58 0a 58 20 20 | 69 66 20 28 63 69 6e 66 |E;.X.X |if (cinf|
|00004050| 6f 2d 3e 43 43 49 52 36 | 30 31 5f 73 61 6d 70 6c |o->CCIR6|01_sampl|
|00004060| 69 6e 67 29 0a 58 20 20 | 20 20 45 52 52 45 58 49 |ing).X | ERREXI|
|00004070| 54 28 63 69 6e 66 6f 2d | 3e 65 6d 65 74 68 6f 64 |T(cinfo-|>emethod|
|00004080| 73 2c 20 22 43 43 49 52 | 36 30 31 20 64 6f 77 6e |s, "CCIR|601 down|
|00004090| 73 61 6d 70 6c 69 6e 67 | 20 6e 6f 74 20 69 6d 70 |sampling| not imp|
|000040a0| 6c 65 6d 65 6e 74 65 64 | 20 79 65 74 22 29 3b 0a |lemented| yet");.|
|000040b0| 58 0a 58 20 20 66 6f 72 | 20 28 63 69 20 3d 20 30 |X.X for| (ci = 0|
|000040c0| 3b 20 63 69 20 3c 20 63 | 69 6e 66 6f 2d 3e 63 6f |; ci < c|info->co|
|000040d0| 6d 70 73 5f 69 6e 5f 73 | 63 61 6e 3b 20 63 69 2b |mps_in_s|can; ci+|
|000040e0| 2b 29 20 7b 0a 58 20 20 | 20 20 63 6f 6d 70 70 74 |+) {.X | comppt|
|000040f0| 72 20 3d 20 63 69 6e 66 | 6f 2d 3e 63 75 72 5f 63 |r = cinf|o->cur_c|
|00004100| 6f 6d 70 5f 69 6e 66 6f | 5b 63 69 5d 3b 0a 58 20 |omp_info|[ci];.X |
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|00004140| 6d 70 5f 66 61 63 74 6f | 72 20 26 26 0a 58 09 63 |mp_facto|r &&.X.c|
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|00004170| 6d 61 78 5f 76 5f 73 61 | 6d 70 5f 66 61 63 74 6f |max_v_sa|mp_facto|
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|00004270| 5f 73 61 6d 70 5f 66 61 | 63 74 6f 72 20 2a 20 32 |_samp_fa|ctor * 2|
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|00004290| 5f 73 61 6d 70 5f 66 61 | 63 74 6f 72 20 26 26 0a |_samp_fa|ctor &&.|
|000042a0| 58 09 20 20 20 20 20 63 | 6f 6d 70 70 74 72 2d 3e |X. c|ompptr->|
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|000042e0| 20 20 20 20 73 6d 6f 6f | 74 68 6f 6b 20 3d 20 46 | smoo|thok = F|
|000042f0| 41 4c 53 45 3b 0a 58 20 | 20 20 20 20 20 63 69 6e |ALSE;.X | cin|
|00004300| 66 6f 2d 3e 6d 65 74 68 | 6f 64 73 2d 3e 64 6f 77 |fo->meth|ods->dow|
|00004310| 6e 73 61 6d 70 6c 65 5b | 63 69 5d 20 3d 20 68 32 |nsample[|ci] = h2|
|00004320| 76 31 5f 64 6f 77 6e 73 | 61 6d 70 6c 65 3b 0a 58 |v1_downs|ample;.X|
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|00004370| 61 63 74 6f 72 20 26 26 | 0a 58 09 20 20 20 20 20 |actor &&|.X. |
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|00004520| 6b 20 3d 20 46 41 4c 53 | 45 3b 0a 58 20 20 20 20 |k = FALS|E;.X |
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|00004540| 2d 3e 64 6f 77 6e 73 61 | 6d 70 6c 65 5b 63 69 5d |->downsa|mple[ci]|
|00004550| 20 3d 20 69 6e 74 5f 64 | 6f 77 6e 73 61 6d 70 6c | = int_d|ownsampl|
|00004560| 65 3b 0a 58 20 20 20 20 | 7d 20 65 6c 73 65 0a 58 |e;.X |} else.X|
|00004570| 20 20 20 20 20 20 45 52 | 52 45 58 49 54 28 63 69 | ER|REXIT(ci|
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|00004590| 46 72 61 63 74 69 6f 6e | 61 6c 20 64 6f 77 6e 73 |Fraction|al downs|
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|000045b0| 65 6d 65 6e 74 65 64 20 | 79 65 74 22 29 3b 0a 58 |emented |yet");.X|
|000045c0| 20 20 7d 0a 58 0a 58 23 | 69 66 64 65 66 20 49 4e | }.X.X#|ifdef IN|
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|00004680| 0a 58 0a 58 20 20 63 69 | 6e 66 6f 2d 3e 6d 65 74 |.X.X ci|nfo->met|
|00004690| 68 6f 64 73 2d 3e 64 6f | 77 6e 73 61 6d 70 6c 65 |hods->do|wnsample|
|000046a0| 5f 69 6e 69 74 20 3d 20 | 64 6f 77 6e 73 61 6d 70 |_init = |downsamp|
|000046b0| 6c 65 5f 69 6e 69 74 3b | 0a 58 20 20 63 69 6e 66 |le_init;|.X cinf|
|000046c0| 6f 2d 3e 6d 65 74 68 6f | 64 73 2d 3e 64 6f 77 6e |o->metho|ds->down|
|000046d0| 73 61 6d 70 6c 65 5f 74 | 65 72 6d 20 3d 20 64 6f |sample_t|erm = do|
|000046e0| 77 6e 73 61 6d 70 6c 65 | 5f 74 65 72 6d 3b 0a 58 |wnsample|_term;.X|
|000046f0| 7d 0a 45 4e 44 5f 4f 46 | 5f 46 49 4c 45 0a 20 20 |}.END_OF|_FILE. |
|00004700| 69 66 20 74 65 73 74 20 | 31 36 34 37 32 20 2d 6e |if test |16472 -n|
|00004710| 65 20 60 77 63 20 2d 63 | 20 3c 27 6a 63 73 61 6d |e `wc -c| <'jcsam|
|00004720| 70 6c 65 2e 63 27 60 3b | 20 74 68 65 6e 0a 20 20 |ple.c'`;| then. |
|00004730| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 5c 22 27 | echo s|har: \"'|
|00004740| 6a 63 73 61 6d 70 6c 65 | 2e 63 27 5c 22 20 75 6e |jcsample|.c'\" un|
|00004750| 70 61 63 6b 65 64 20 77 | 69 74 68 20 77 72 6f 6e |packed w|ith wron|
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|00004770| 20 65 6e 64 20 6f 66 20 | 27 6a 63 73 61 6d 70 6c | end of |'jcsampl|
|00004780| 65 2e 63 27 0a 66 69 0a | 69 66 20 74 65 73 74 20 |e.c'.fi.|if test |
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|000047a0| 2d 61 20 22 24 7b 31 7d | 22 20 21 3d 20 22 2d 63 |-a "${1}|" != "-c|
|000047b0| 22 20 3b 20 74 68 65 6e | 20 0a 20 20 65 63 68 6f |" ; then| . echo|
|000047c0| 20 73 68 61 72 3a 20 57 | 69 6c 6c 20 6e 6f 74 20 | shar: W|ill not |
|000047d0| 63 6c 6f 62 62 65 72 20 | 65 78 69 73 74 69 6e 67 |clobber |existing|
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