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-rw-r--r--getid3/module.audio.bonk.php221
1 files changed, 0 insertions, 221 deletions
diff --git a/getid3/module.audio.bonk.php b/getid3/module.audio.bonk.php
deleted file mode 100644
index fef9782..0000000
--- a/getid3/module.audio.bonk.php
+++ /dev/null
@@ -1,221 +0,0 @@
-<?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.audio.la.php //
-// module for analyzing BONK audio files //
-// dependencies: module.tag.id3v2.php (optional) //
-// ///
-/////////////////////////////////////////////////////////////////
-
-
-class getid3_bonk
-{
- function getid3_bonk(&$fd, &$ThisFileInfo) {
-
- // shortcut
- $ThisFileInfo['bonk'] = array();
- $thisfile_bonk = &$ThisFileInfo['bonk'];
-
- $thisfile_bonk['dataoffset'] = $ThisFileInfo['avdataoffset'];
- $thisfile_bonk['dataend'] = $ThisFileInfo['avdataend'];
-
- if ($thisfile_bonk['dataend'] >= pow(2, 31)) {
-
- $ThisFileInfo['warning'][] = 'Unable to parse BONK file from end (v0.6+ preferred method) because PHP filesystem functions only support up to 2GB';
-
- } else {
-
- // scan-from-end method, for v0.6 and higher
- fseek($fd, $thisfile_bonk['dataend'] - 8, SEEK_SET);
- $PossibleBonkTag = fread($fd, 8);
- while ($this->BonkIsValidTagName(substr($PossibleBonkTag, 4, 4), true)) {
- $BonkTagSize = getid3_lib::LittleEndian2Int(substr($PossibleBonkTag, 0, 4));
- fseek($fd, 0 - $BonkTagSize, SEEK_CUR);
- $BonkTagOffset = ftell($fd);
- $TagHeaderTest = fread($fd, 5);
- if (($TagHeaderTest{0} != "\x00") || (substr($PossibleBonkTag, 4, 4) != strtolower(substr($PossibleBonkTag, 4, 4)))) {
- $ThisFileInfo['error'][] = 'Expecting "Ø'.strtoupper(substr($PossibleBonkTag, 4, 4)).'" at offset '.$BonkTagOffset.', found "'.$TagHeaderTest.'"';
- return false;
- }
- $BonkTagName = substr($TagHeaderTest, 1, 4);
-
- $thisfile_bonk[$BonkTagName]['size'] = $BonkTagSize;
- $thisfile_bonk[$BonkTagName]['offset'] = $BonkTagOffset;
- $this->HandleBonkTags($fd, $BonkTagName, $ThisFileInfo);
- $NextTagEndOffset = $BonkTagOffset - 8;
- if ($NextTagEndOffset < $thisfile_bonk['dataoffset']) {
- if (empty($ThisFileInfo['audio']['encoder'])) {
- $ThisFileInfo['audio']['encoder'] = 'Extended BONK v0.9+';
- }
- return true;
- }
- fseek($fd, $NextTagEndOffset, SEEK_SET);
- $PossibleBonkTag = fread($fd, 8);
- }
-
- }
-
- // seek-from-beginning method for v0.4 and v0.5
- if (empty($thisfile_bonk['BONK'])) {
- fseek($fd, $thisfile_bonk['dataoffset'], SEEK_SET);
- do {
- $TagHeaderTest = fread($fd, 5);
- switch ($TagHeaderTest) {
- case "\x00".'BONK':
- if (empty($ThisFileInfo['audio']['encoder'])) {
- $ThisFileInfo['audio']['encoder'] = 'BONK v0.4';
- }
- break;
-
- case "\x00".'INFO':
- $ThisFileInfo['audio']['encoder'] = 'Extended BONK v0.5';
- break;
-
- default:
- break 2;
- }
- $BonkTagName = substr($TagHeaderTest, 1, 4);
- $thisfile_bonk[$BonkTagName]['size'] = $thisfile_bonk['dataend'] - $thisfile_bonk['dataoffset'];
- $thisfile_bonk[$BonkTagName]['offset'] = $thisfile_bonk['dataoffset'];
- $this->HandleBonkTags($fd, $BonkTagName, $ThisFileInfo);
-
- } while (true);
- }
-
- // parse META block for v0.6 - v0.8
- if (empty($thisfile_bonk['INFO']) && isset($thisfile_bonk['META']['tags']['info'])) {
- fseek($fd, $thisfile_bonk['META']['tags']['info'], SEEK_SET);
- $TagHeaderTest = fread($fd, 5);
- if ($TagHeaderTest == "\x00".'INFO') {
- $ThisFileInfo['audio']['encoder'] = 'Extended BONK v0.6 - v0.8';
-
- $BonkTagName = substr($TagHeaderTest, 1, 4);
- $thisfile_bonk[$BonkTagName]['size'] = $thisfile_bonk['dataend'] - $thisfile_bonk['dataoffset'];
- $thisfile_bonk[$BonkTagName]['offset'] = $thisfile_bonk['dataoffset'];
- $this->HandleBonkTags($fd, $BonkTagName, $ThisFileInfo);
- }
- }
-
- if (empty($ThisFileInfo['audio']['encoder'])) {
- $ThisFileInfo['audio']['encoder'] = 'Extended BONK v0.9+';
- }
- if (empty($thisfile_bonk['BONK'])) {
- unset($ThisFileInfo['bonk']);
- }
- return true;
-
- }
-
- function HandleBonkTags(&$fd, &$BonkTagName, &$ThisFileInfo) {
-
- switch ($BonkTagName) {
- case 'BONK':
- // shortcut
- $thisfile_bonk_BONK = &$ThisFileInfo['bonk']['BONK'];
-
- $BonkData = "\x00".'BONK'.fread($fd, 17);
- $thisfile_bonk_BONK['version'] = getid3_lib::LittleEndian2Int(substr($BonkData, 5, 1));
- $thisfile_bonk_BONK['number_samples'] = getid3_lib::LittleEndian2Int(substr($BonkData, 6, 4));
- $thisfile_bonk_BONK['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BonkData, 10, 4));
-
- $thisfile_bonk_BONK['channels'] = getid3_lib::LittleEndian2Int(substr($BonkData, 14, 1));
- $thisfile_bonk_BONK['lossless'] = (bool) getid3_lib::LittleEndian2Int(substr($BonkData, 15, 1));
- $thisfile_bonk_BONK['joint_stereo'] = (bool) getid3_lib::LittleEndian2Int(substr($BonkData, 16, 1));
- $thisfile_bonk_BONK['number_taps'] = getid3_lib::LittleEndian2Int(substr($BonkData, 17, 2));
- $thisfile_bonk_BONK['downsampling_ratio'] = getid3_lib::LittleEndian2Int(substr($BonkData, 19, 1));
- $thisfile_bonk_BONK['samples_per_packet'] = getid3_lib::LittleEndian2Int(substr($BonkData, 20, 2));
-
- $ThisFileInfo['avdataoffset'] = $thisfile_bonk_BONK['offset'] + 5 + 17;
- $ThisFileInfo['avdataend'] = $thisfile_bonk_BONK['offset'] + $thisfile_bonk_BONK['size'];
-
- $ThisFileInfo['fileformat'] = 'bonk';
- $ThisFileInfo['audio']['dataformat'] = 'bonk';
- $ThisFileInfo['audio']['bitrate_mode'] = 'vbr'; // assumed
- $ThisFileInfo['audio']['channels'] = $thisfile_bonk_BONK['channels'];
- $ThisFileInfo['audio']['sample_rate'] = $thisfile_bonk_BONK['sample_rate'];
- $ThisFileInfo['audio']['channelmode'] = ($thisfile_bonk_BONK['joint_stereo'] ? 'joint stereo' : 'stereo');
- $ThisFileInfo['audio']['lossless'] = $thisfile_bonk_BONK['lossless'];
- $ThisFileInfo['audio']['codec'] = 'bonk';
-
- $ThisFileInfo['playtime_seconds'] = $thisfile_bonk_BONK['number_samples'] / ($thisfile_bonk_BONK['sample_rate'] * $thisfile_bonk_BONK['channels']);
- if ($ThisFileInfo['playtime_seconds'] > 0) {
- $ThisFileInfo['audio']['bitrate'] = (($ThisFileInfo['bonk']['dataend'] - $ThisFileInfo['bonk']['dataoffset']) * 8) / $ThisFileInfo['playtime_seconds'];
- }
- break;
-
- case 'INFO':
- // shortcut
- $thisfile_bonk_INFO = &$ThisFileInfo['bonk']['INFO'];
-
- $thisfile_bonk_INFO['version'] = getid3_lib::LittleEndian2Int(fread($fd, 1));
- $thisfile_bonk_INFO['entries_count'] = 0;
- $NextInfoDataPair = fread($fd, 5);
- if (!$this->BonkIsValidTagName(substr($NextInfoDataPair, 1, 4))) {
- while (!feof($fd)) {
- //$CurrentSeekInfo['offset'] = getid3_lib::LittleEndian2Int(substr($NextInfoDataPair, 0, 4));
- //$CurrentSeekInfo['nextbit'] = getid3_lib::LittleEndian2Int(substr($NextInfoDataPair, 4, 1));
- //$thisfile_bonk_INFO[] = $CurrentSeekInfo;
-
- $NextInfoDataPair = fread($fd, 5);
- if ($this->BonkIsValidTagName(substr($NextInfoDataPair, 1, 4))) {
- fseek($fd, -5, SEEK_CUR);
- break;
- }
- $thisfile_bonk_INFO['entries_count']++;
- }
- }
- break;
-
- case 'META':
- $BonkData = "\x00".'META'.fread($fd, $ThisFileInfo['bonk']['META']['size'] - 5);
- $ThisFileInfo['bonk']['META']['version'] = getid3_lib::LittleEndian2Int(substr($BonkData, 5, 1));
-
- $MetaTagEntries = floor(((strlen($BonkData) - 8) - 6) / 8); // BonkData - xxxxmeta - ØMETA
- $offset = 6;
- for ($i = 0; $i < $MetaTagEntries; $i++) {
- $MetaEntryTagName = substr($BonkData, $offset, 4);
- $offset += 4;
- $MetaEntryTagOffset = getid3_lib::LittleEndian2Int(substr($BonkData, $offset, 4));
- $offset += 4;
- $ThisFileInfo['bonk']['META']['tags'][$MetaEntryTagName] = $MetaEntryTagOffset;
- }
- break;
-
- case ' ID3':
- $ThisFileInfo['audio']['encoder'] = 'Extended BONK v0.9+';
-
- // ID3v2 checking is optional
- if (class_exists('getid3_id3v2')) {
- $ThisFileInfo['bonk'][' ID3']['valid'] = new getid3_id3v2($fd, $ThisFileInfo, $ThisFileInfo['bonk'][' ID3']['offset'] + 2);
- }
- break;
-
- default:
- $ThisFileInfo['warning'][] = 'Unexpected Bonk tag "'.$BonkTagName.'" at offset '.$ThisFileInfo['bonk'][$BonkTagName]['offset'];
- break;
-
- }
- }
-
- function BonkIsValidTagName($PossibleBonkTag, $ignorecase=false) {
- static $BonkIsValidTagName = array('BONK', 'INFO', ' ID3', 'META');
- foreach ($BonkIsValidTagName as $validtagname) {
- if ($validtagname == $PossibleBonkTag) {
- return true;
- } elseif ($ignorecase && (strtolower($validtagname) == strtolower($PossibleBonkTag))) {
- return true;
- }
- }
- return false;
- }
-
-}
-
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:58:17 +0000