This file is indexed.

/usr/share/php/getid3/module.graphic.pcd.php is in php-getid3 1.9.12+dfsg-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
//          also https://github.com/JamesHeinrich/getID3       //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details                             //
/////////////////////////////////////////////////////////////////
//                                                             //
// module.graphic.pcd.php                                      //
// module for analyzing PhotoCD (PCD) Image files              //
// dependencies: NONE                                          //
//                                                            ///
/////////////////////////////////////////////////////////////////


class getid3_pcd extends getid3_handler
{
	public $ExtractData = 0;

	public function Analyze() {
		$info = &$this->getid3->info;

		$info['fileformat']          = 'pcd';
		$info['video']['dataformat'] = 'pcd';
		$info['video']['lossless']   = false;


		$this->fseek($info['avdataoffset'] + 72);

		$PCDflags = $this->fread(1);
		$PCDisVertical = ((ord($PCDflags) & 0x01) ? true : false);


		if ($PCDisVertical) {
			$info['video']['resolution_x'] = 3072;
			$info['video']['resolution_y'] = 2048;
		} else {
			$info['video']['resolution_x'] = 2048;
			$info['video']['resolution_y'] = 3072;
		}


		if ($this->ExtractData > 3) {

			$info['error'][] = 'Cannot extract PSD image data for detail levels above BASE (level-3) because encrypted with Kodak-proprietary compression/encryption.';

		} elseif ($this->ExtractData > 0) {

			$PCD_levels[1] = array( 192,  128, 0x02000); // BASE/16
			$PCD_levels[2] = array( 384,  256, 0x0B800); // BASE/4
			$PCD_levels[3] = array( 768,  512, 0x30000); // BASE
			//$PCD_levels[4] = array(1536, 1024,    ??); // BASE*4  - encrypted with Kodak-proprietary compression/encryption
			//$PCD_levels[5] = array(3072, 2048,    ??); // BASE*16 - encrypted with Kodak-proprietary compression/encryption
			//$PCD_levels[6] = array(6144, 4096,    ??); // BASE*64 - encrypted with Kodak-proprietary compression/encryption; PhotoCD-Pro only

			list($PCD_width, $PCD_height, $PCD_dataOffset) = $PCD_levels[3];

			$this->fseek($info['avdataoffset'] + $PCD_dataOffset);

			for ($y = 0; $y < $PCD_height; $y += 2) {
				// The image-data of these subtypes start at the respective offsets of 02000h, 0b800h and 30000h.
				// To decode the YcbYr to the more usual RGB-code, three lines of data have to be read, each
				// consisting of ‘w’ bytes, where ‘w’ is the width of the image-subtype. The first ‘w’ bytes and
				// the first half of the third ‘w’ bytes contain data for the first RGB-line, the second ‘w’ bytes
				// and the second half of the third ‘w’ bytes contain data for a second RGB-line.

				$PCD_data_Y1 = $this->fread($PCD_width);
				$PCD_data_Y2 = $this->fread($PCD_width);
				$PCD_data_Cb = $this->fread(intval(round($PCD_width / 2)));
				$PCD_data_Cr = $this->fread(intval(round($PCD_width / 2)));

				for ($x = 0; $x < $PCD_width; $x++) {
					if ($PCDisVertical) {
						$info['pcd']['data'][$PCD_width - $x][$y]     = $this->YCbCr2RGB(ord($PCD_data_Y1{$x}), ord($PCD_data_Cb{floor($x / 2)}), ord($PCD_data_Cr{floor($x / 2)}));
						$info['pcd']['data'][$PCD_width - $x][$y + 1] = $this->YCbCr2RGB(ord($PCD_data_Y2{$x}), ord($PCD_data_Cb{floor($x / 2)}), ord($PCD_data_Cr{floor($x / 2)}));
					} else {
						$info['pcd']['data'][$y][$x]                  = $this->YCbCr2RGB(ord($PCD_data_Y1{$x}), ord($PCD_data_Cb{floor($x / 2)}), ord($PCD_data_Cr{floor($x / 2)}));
						$info['pcd']['data'][$y + 1][$x]              = $this->YCbCr2RGB(ord($PCD_data_Y2{$x}), ord($PCD_data_Cb{floor($x / 2)}), ord($PCD_data_Cr{floor($x / 2)}));
					}
				}
			}

			// Example for plotting extracted data
			//getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true);
			//if ($PCDisVertical) {
			//	$BMPinfo['resolution_x'] = $PCD_height;
			//	$BMPinfo['resolution_y'] = $PCD_width;
			//} else {
			//	$BMPinfo['resolution_x'] = $PCD_width;
			//	$BMPinfo['resolution_y'] = $PCD_height;
			//}
			//$BMPinfo['bmp']['data'] = $info['pcd']['data'];
			//getid3_bmp::PlotBMP($BMPinfo);
			//exit;

		}

	}

	public function YCbCr2RGB($Y, $Cb, $Cr) {
		static $YCbCr_constants = array();
		if (empty($YCbCr_constants)) {
			$YCbCr_constants['red']['Y']    =  0.0054980 * 256;
			$YCbCr_constants['red']['Cb']   =  0.0000000 * 256;
			$YCbCr_constants['red']['Cr']   =  0.0051681 * 256;
			$YCbCr_constants['green']['Y']  =  0.0054980 * 256;
			$YCbCr_constants['green']['Cb'] = -0.0015446 * 256;
			$YCbCr_constants['green']['Cr'] = -0.0026325 * 256;
			$YCbCr_constants['blue']['Y']   =  0.0054980 * 256;
			$YCbCr_constants['blue']['Cb']  =  0.0079533 * 256;
			$YCbCr_constants['blue']['Cr']  =  0.0000000 * 256;
		}

		$RGBcolor = array('red'=>0, 'green'=>0, 'blue'=>0);
		foreach ($RGBcolor as $rgbname => $dummy) {
			$RGBcolor[$rgbname] = max(0,
										min(255,
											intval(
												round(
													($YCbCr_constants[$rgbname]['Y'] * $Y) +
													($YCbCr_constants[$rgbname]['Cb'] * ($Cb - 156)) +
													($YCbCr_constants[$rgbname]['Cr'] * ($Cr - 137))
												)
											)
										)
									);
		}
		return (($RGBcolor['red'] * 65536) + ($RGBcolor['green'] * 256) + $RGBcolor['blue']);
	}

}