CC-1695 Remove Campcaster Studio and make install easier
Creating new directory structure.
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paul.baranowski
parent
dba897c3f8
commit
b69ae200cf
476 changed files with 137 additions and 57 deletions
183
3rd_party/getid3/var/module.graphic.gif.php
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183
3rd_party/getid3/var/module.graphic.gif.php
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<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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// //
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// module.graphic.gif.php //
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// module for analyzing GIF Image files //
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// dependencies: NONE //
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// ///
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/////////////////////////////////////////////////////////////////
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class getid3_gif
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{
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function getid3_gif(&$fd, &$ThisFileInfo) {
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$ThisFileInfo['fileformat'] = 'gif';
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$ThisFileInfo['video']['dataformat'] = 'gif';
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$ThisFileInfo['video']['lossless'] = true;
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$ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
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fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
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$GIFheader = fread($fd, 13);
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$offset = 0;
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$ThisFileInfo['gif']['header']['raw']['identifier'] = substr($GIFheader, $offset, 3);
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$offset += 3;
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if ($ThisFileInfo['gif']['header']['raw']['identifier'] != 'GIF') {
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$ThisFileInfo['error'][] = 'Expecting "GIF" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$ThisFileInfo['gif']['header']['raw']['identifier'].'"';
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unset($ThisFileInfo['fileformat']);
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unset($ThisFileInfo['gif']);
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return false;
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}
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$ThisFileInfo['gif']['header']['raw']['version'] = substr($GIFheader, $offset, 3);
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$offset += 3;
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$ThisFileInfo['gif']['header']['raw']['width'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 2));
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$offset += 2;
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$ThisFileInfo['gif']['header']['raw']['height'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 2));
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$offset += 2;
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$ThisFileInfo['gif']['header']['raw']['flags'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
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$offset += 1;
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$ThisFileInfo['gif']['header']['raw']['bg_color_index'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
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$offset += 1;
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$ThisFileInfo['gif']['header']['raw']['aspect_ratio'] = getid3_lib::LittleEndian2Int(substr($GIFheader, $offset, 1));
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$offset += 1;
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$ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['gif']['header']['raw']['width'];
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$ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['gif']['header']['raw']['height'];
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$ThisFileInfo['gif']['version'] = $ThisFileInfo['gif']['header']['raw']['version'];
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$ThisFileInfo['gif']['header']['flags']['global_color_table'] = (bool) ($ThisFileInfo['gif']['header']['raw']['flags'] & 0x80);
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if ($ThisFileInfo['gif']['header']['raw']['flags'] & 0x80) {
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// Number of bits per primary color available to the original image, minus 1
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$ThisFileInfo['gif']['header']['bits_per_pixel'] = 3 * ((($ThisFileInfo['gif']['header']['raw']['flags'] & 0x70) >> 4) + 1);
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} else {
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$ThisFileInfo['gif']['header']['bits_per_pixel'] = 0;
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}
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$ThisFileInfo['gif']['header']['flags']['global_color_sorted'] = (bool) ($ThisFileInfo['gif']['header']['raw']['flags'] & 0x40);
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if ($ThisFileInfo['gif']['header']['flags']['global_color_table']) {
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// the number of bytes contained in the Global Color Table. To determine that
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// actual size of the color table, raise 2 to [the value of the field + 1]
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$ThisFileInfo['gif']['header']['global_color_size'] = pow(2, ($ThisFileInfo['gif']['header']['raw']['flags'] & 0x07) + 1);
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$ThisFileInfo['video']['bits_per_sample'] = ($ThisFileInfo['gif']['header']['raw']['flags'] & 0x07) + 1;
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} else {
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$ThisFileInfo['gif']['header']['global_color_size'] = 0;
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}
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if ($ThisFileInfo['gif']['header']['raw']['aspect_ratio'] != 0) {
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// Aspect Ratio = (Pixel Aspect Ratio + 15) / 64
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$ThisFileInfo['gif']['header']['aspect_ratio'] = ($ThisFileInfo['gif']['header']['raw']['aspect_ratio'] + 15) / 64;
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}
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// if ($ThisFileInfo['gif']['header']['flags']['global_color_table']) {
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// $GIFcolorTable = fread($fd, 3 * $ThisFileInfo['gif']['header']['global_color_size']);
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// $offset = 0;
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// for ($i = 0; $i < $ThisFileInfo['gif']['header']['global_color_size']; $i++) {
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// $red = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
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// $green = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
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// $blue = getid3_lib::LittleEndian2Int(substr($GIFcolorTable, $offset++, 1));
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// $ThisFileInfo['gif']['global_color_table'][$i] = (($red << 16) | ($green << 8) | ($blue));
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// }
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// }
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//
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// // Image Descriptor
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// while (!feof($fd)) {
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// $NextBlockTest = fread($fd, 1);
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// switch ($NextBlockTest) {
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//
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// case ',': // ',' - Image separator character
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//
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// $ImageDescriptorData = $NextBlockTest.fread($fd, 9);
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// $ImageDescriptor = array();
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// $ImageDescriptor['image_left'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 1, 2));
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// $ImageDescriptor['image_top'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 3, 2));
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// $ImageDescriptor['image_width'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 5, 2));
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// $ImageDescriptor['image_height'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 7, 2));
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// $ImageDescriptor['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ImageDescriptorData, 9, 1));
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// $ImageDescriptor['flags']['use_local_color_map'] = (bool) ($ImageDescriptor['flags_raw'] & 0x80);
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// $ImageDescriptor['flags']['image_interlaced'] = (bool) ($ImageDescriptor['flags_raw'] & 0x40);
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// $ThisFileInfo['gif']['image_descriptor'][] = $ImageDescriptor;
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//
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// if ($ImageDescriptor['flags']['use_local_color_map']) {
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//
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// $ThisFileInfo['warning'][] = 'This version of getID3() cannot parse local color maps for GIFs';
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// return true;
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//
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// }
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//echo 'Start of raster data: '.ftell($fd).'<BR>';
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// $RasterData = array();
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// $RasterData['code_size'] = getid3_lib::LittleEndian2Int(fread($fd, 1));
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// $RasterData['block_byte_count'] = getid3_lib::LittleEndian2Int(fread($fd, 1));
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// $ThisFileInfo['gif']['raster_data'][count($ThisFileInfo['gif']['image_descriptor']) - 1] = $RasterData;
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//
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// $CurrentCodeSize = $RasterData['code_size'] + 1;
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// for ($i = 0; $i < pow(2, $RasterData['code_size']); $i++) {
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// $DefaultDataLookupTable[$i] = chr($i);
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// }
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// $DefaultDataLookupTable[pow(2, $RasterData['code_size']) + 0] = ''; // Clear Code
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// $DefaultDataLookupTable[pow(2, $RasterData['code_size']) + 1] = ''; // End Of Image Code
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//
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//
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// $NextValue = $this->GetLSBits($fd, $CurrentCodeSize);
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// echo 'Clear Code: '.$NextValue.'<BR>';
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//
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// $NextValue = $this->GetLSBits($fd, $CurrentCodeSize);
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// echo 'First Color: '.$NextValue.'<BR>';
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//
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// $Prefix = $NextValue;
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//$i = 0;
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// while ($i++ < 20) {
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// $NextValue = $this->GetLSBits($fd, $CurrentCodeSize);
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// echo $NextValue.'<BR>';
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// }
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//return true;
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// break;
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//
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// case '!':
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// // GIF Extension Block
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// $ExtensionBlockData = $NextBlockTest.fread($fd, 2);
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// $ExtensionBlock = array();
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// $ExtensionBlock['function_code'] = getid3_lib::LittleEndian2Int(substr($ExtensionBlockData, 1, 1));
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// $ExtensionBlock['byte_length'] = getid3_lib::LittleEndian2Int(substr($ExtensionBlockData, 2, 1));
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// $ExtensionBlock['data'] = fread($fd, $ExtensionBlock['byte_length']);
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// $ThisFileInfo['gif']['extension_blocks'][] = $ExtensionBlock;
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// break;
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//
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// case ';':
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// $ThisFileInfo['gif']['terminator_offset'] = ftell($fd) - 1;
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// // GIF Terminator
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// break;
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//
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// default:
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// break;
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//
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//
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// }
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// }
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return true;
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}
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function GetLSBits($fd, $bits) {
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static $bitbuffer = '';
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while (strlen($bitbuffer) < $bits) {
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//echo 'Read another byte: '.ftell($fd).'<BR>';
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$bitbuffer = str_pad(decbin(ord(fread($fd, 1))), 8, '0', STR_PAD_LEFT).$bitbuffer;
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}
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$value = bindec(substr($bitbuffer, 0 - $bits));
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$bitbuffer = substr($bitbuffer, 0, 0 - $bits);
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return $value;
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}
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}
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?>
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