Replaced mediainfo calls by getid3

1 files changed, 221 insertions, 0 deletions

diff --git a/getid3/module.graphic.tiff.php b/getid3/module.graphic.tiff.php
new file mode 100644
index 0000000..ae57cd6
--- /dev/null
+++ b/getid3/module.graphic.tiff.php
@@ -0,0 +1,221 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.archive.tiff.php                                     //
+// module for analyzing TIFF files                             //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_tiff
+{
+
+	function getid3_tiff(&$fd, &$ThisFileInfo) {
+
+		fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
+		$TIFFheader = fread($fd, 4);
+
+		switch (substr($TIFFheader, 0, 2)) {
+			case 'II':
+				$ThisFileInfo['tiff']['byte_order'] = 'Intel';
+				break;
+			case 'MM':
+				$ThisFileInfo['tiff']['byte_order'] = 'Motorola';
+				break;
+			default:
+				$ThisFileInfo['error'][] = 'Invalid TIFF byte order identifier ('.substr($TIFFheader, 0, 2).') at offset '.$ThisFileInfo['avdataoffset'];
+				return false;
+				break;
+		}
+
+		$ThisFileInfo['fileformat']          = 'tiff';
+		$ThisFileInfo['video']['dataformat'] = 'tiff';
+		$ThisFileInfo['video']['lossless']   = true;
+		$ThisFileInfo['tiff']['ifd']         = array();
+		$CurrentIFD                          = array();
+
+		$FieldTypeByteLength = array(1=>1, 2=>1, 3=>2, 4=>4, 5=>8);
+
+		$nextIFDoffset = $this->TIFFendian2Int(fread($fd, 4), $ThisFileInfo['tiff']['byte_order']);
+
+		while ($nextIFDoffset > 0) {
+
+			$CurrentIFD['offset'] = $nextIFDoffset;
+
+			fseek($fd, $ThisFileInfo['avdataoffset'] + $nextIFDoffset, SEEK_SET);
+			$CurrentIFD['fieldcount'] = $this->TIFFendian2Int(fread($fd, 2), $ThisFileInfo['tiff']['byte_order']);
+
+			for ($i = 0; $i < $CurrentIFD['fieldcount']; $i++) {
+				$CurrentIFD['fields'][$i]['raw']['tag']    = $this->TIFFendian2Int(fread($fd, 2), $ThisFileInfo['tiff']['byte_order']);
+				$CurrentIFD['fields'][$i]['raw']['type']   = $this->TIFFendian2Int(fread($fd, 2), $ThisFileInfo['tiff']['byte_order']);
+				$CurrentIFD['fields'][$i]['raw']['length'] = $this->TIFFendian2Int(fread($fd, 4), $ThisFileInfo['tiff']['byte_order']);
+				$CurrentIFD['fields'][$i]['raw']['offset'] =                       fread($fd, 4);
+
+				switch ($CurrentIFD['fields'][$i]['raw']['type']) {
+					case 1: // BYTE  An 8-bit unsigned integer.
+						if ($CurrentIFD['fields'][$i]['raw']['length'] <= 4) {
+							$CurrentIFD['fields'][$i]['value']  = $this->TIFFendian2Int(substr($CurrentIFD['fields'][$i]['raw']['offset'], 0, 1), $ThisFileInfo['tiff']['byte_order']);
+						} else {
+							$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['offset'], $ThisFileInfo['tiff']['byte_order']);
+						}
+						break;
+
+					case 2: // ASCII 8-bit bytes  that store ASCII codes; the last byte must be null.
+						if ($CurrentIFD['fields'][$i]['raw']['length'] <= 4) {
+							$CurrentIFD['fields'][$i]['value']  = substr($CurrentIFD['fields'][$i]['raw']['offset'], 3);
+						} else {
+							$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['offset'], $ThisFileInfo['tiff']['byte_order']);
+						}
+						break;
+
+					case 3: // SHORT A 16-bit (2-byte) unsigned integer.
+						if ($CurrentIFD['fields'][$i]['raw']['length'] <= 2) {
+							$CurrentIFD['fields'][$i]['value']  = $this->TIFFendian2Int(substr($CurrentIFD['fields'][$i]['raw']['offset'], 0, 2), $ThisFileInfo['tiff']['byte_order']);
+						} else {
+							$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['offset'], $ThisFileInfo['tiff']['byte_order']);
+						}
+						break;
+
+					case 4: // LONG  A 32-bit (4-byte) unsigned integer.
+						if ($CurrentIFD['fields'][$i]['raw']['length'] <= 1) {
+							$CurrentIFD['fields'][$i]['value']  = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['offset'], $ThisFileInfo['tiff']['byte_order']);
+						} else {
+							$CurrentIFD['fields'][$i]['offset'] = $this->TIFFendian2Int($CurrentIFD['fields'][$i]['raw']['offset'], $ThisFileInfo['tiff']['byte_order']);
+						}
+						break;
+
+					case 5: // RATIONAL   Two LONG_s:  the first represents the numerator of a fraction, the second the denominator.
+						break;
+				}
+			}
+
+			$ThisFileInfo['tiff']['ifd'][] = $CurrentIFD;
+			$CurrentIFD = array();
+			$nextIFDoffset = $this->TIFFendian2Int(fread($fd, 4), $ThisFileInfo['tiff']['byte_order']);
+
+		}
+
+		foreach ($ThisFileInfo['tiff']['ifd'] as $IFDid => $IFDarray) {
+			foreach ($IFDarray['fields'] as $key => $fieldarray) {
+				switch ($fieldarray['raw']['tag']) {
+					case 256: // ImageWidth
+					case 257: // ImageLength
+					case 258: // BitsPerSample
+					case 259: // Compression
+						if (!isset($fieldarray['value'])) {
+							fseek($fd, $fieldarray['offset'], SEEK_SET);
+							$ThisFileInfo['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = fread($fd, $fieldarray['raw']['length'] * $FieldTypeByteLength[$fieldarray['raw']['type']]);
+
+						}
+						break;
+
+					case 270: // ImageDescription
+					case 271: // Make
+					case 272: // Model
+					case 305: // Software
+					case 306: // DateTime
+					case 315: // Artist
+					case 316: // HostComputer
+						if (isset($fieldarray['value'])) {
+							$ThisFileInfo['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = $fieldarray['value'];
+						} else {
+							fseek($fd, $fieldarray['offset'], SEEK_SET);
+							$ThisFileInfo['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'] = fread($fd, $fieldarray['raw']['length'] * $FieldTypeByteLength[$fieldarray['raw']['type']]);
+
+						}
+						break;
+				}
+				switch ($fieldarray['raw']['tag']) {
+					case 256: // ImageWidth
+						$ThisFileInfo['video']['resolution_x'] = $fieldarray['value'];
+						break;
+
+					case 257: // ImageLength
+						$ThisFileInfo['video']['resolution_y'] = $fieldarray['value'];
+						break;
+
+					case 258: // BitsPerSample
+						if (isset($fieldarray['value'])) {
+							$ThisFileInfo['video']['bits_per_sample'] = $fieldarray['value'];
+						} else {
+							$ThisFileInfo['video']['bits_per_sample'] = 0;
+							for ($i = 0; $i < $fieldarray['raw']['length']; $i++) {
+								$ThisFileInfo['video']['bits_per_sample'] += $this->TIFFendian2Int(substr($ThisFileInfo['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'], $i * $FieldTypeByteLength[$fieldarray['raw']['type']], $FieldTypeByteLength[$fieldarray['raw']['type']]), $ThisFileInfo['tiff']['byte_order']);
+							}
+						}
+						break;
+
+					case 259: // Compression
+						$ThisFileInfo['video']['codec'] = $this->TIFFcompressionMethod($fieldarray['value']);
+						break;
+
+					case 270: // ImageDescription
+					case 271: // Make
+					case 272: // Model
+					case 305: // Software
+					case 306: // DateTime
+					case 315: // Artist
+					case 316: // HostComputer
+						@$ThisFileInfo['tiff']['comments'][$this->TIFFcommentName($fieldarray['raw']['tag'])][] = $ThisFileInfo['tiff']['ifd'][$IFDid]['fields'][$key]['raw']['data'];
+						break;
+
+					default:
+						break;
+				}
+			}
+		}
+
+		return true;
+	}
+
+
+	function TIFFendian2Int($bytestring, $byteorder) {
+		if ($byteorder == 'Intel') {
+			return getid3_lib::LittleEndian2Int($bytestring);
+		} elseif ($byteorder == 'Motorola') {
+			return getid3_lib::BigEndian2Int($bytestring);
+		}
+		return false;
+	}
+
+	function TIFFcompressionMethod($id) {
+		static $TIFFcompressionMethod = array();
+		if (empty($TIFFcompressionMethod)) {
+			$TIFFcompressionMethod = array(
+				1     => 'Uncompressed',
+				2     => 'Huffman',
+				3     => 'Fax - CCITT 3',
+				5     => 'LZW',
+				32773 => 'PackBits',
+			);
+		}
+		return (isset($TIFFcompressionMethod[$id]) ? $TIFFcompressionMethod[$id] : 'unknown/invalid ('.$id.')');
+	}
+
+	function TIFFcommentName($id) {
+		static $TIFFcommentName = array();
+		if (empty($TIFFcommentName)) {
+			$TIFFcommentName = array(
+				270 => 'imagedescription',
+				271 => 'make',
+				272 => 'model',
+				305 => 'software',
+				306 => 'datetime',
+				315 => 'artist',
+				316 => 'hostcomputer',
+			);
+		}
+		return (isset($TIFFcommentName[$id]) ? $TIFFcommentName[$id] : 'unknown/invalid ('.$id.')');
+	}
+
+}
+
+
+?>
\ No newline at end of file