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Diffstat (limited to 'includes/getid3/module.audio.aa.php')
| -rw-r--r-- | includes/getid3/module.audio.aa.php | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/includes/getid3/module.audio.aa.php b/includes/getid3/module.audio.aa.php new file mode 100644 index 0000000..171e72d --- /dev/null +++ b/includes/getid3/module.audio.aa.php @@ -0,0 +1,64 @@ +<?php + +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// available at https://github.com/JamesHeinrich/getID3 // +// or https://www.getid3.org // +// or http://getid3.sourceforge.net // +// see readme.txt for more details // +///////////////////////////////////////////////////////////////// +// // +// module.audio.aa.php // +// module for analyzing Audible Audiobook files // +// dependencies: NONE // +// /// +///////////////////////////////////////////////////////////////// + +if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers + exit; +} + +class getid3_aa extends getid3_handler +{ + /** + * @return bool + */ + public function Analyze() { + $info = &$this->getid3->info; + + $this->fseek($info['avdataoffset']); + $AAheader = $this->fread(8); + + $magic = "\x57\x90\x75\x36"; + if (substr($AAheader, 4, 4) != $magic) { + $this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AAheader, 4, 4)).'"'); + return false; + } + + // shortcut + $info['aa'] = array(); + $thisfile_aa = &$info['aa']; + + $info['fileformat'] = 'aa'; + $info['audio']['dataformat'] = 'aa'; + $this->error('Audible Audiobook (.aa) parsing not enabled in this version of getID3() ['.$this->getid3->version().']'); + return false; + $info['audio']['bitrate_mode'] = 'cbr'; // is it? + $thisfile_aa['encoding'] = 'ISO-8859-1'; + + $thisfile_aa['filesize'] = getid3_lib::BigEndian2Int(substr($AAheader, 0, 4)); + if ($thisfile_aa['filesize'] > ($info['avdataend'] - $info['avdataoffset'])) { + $this->warning('Possible truncated file - expecting "'.$thisfile_aa['filesize'].'" bytes of data, only found '.($info['avdataend'] - $info['avdataoffset']).' bytes"'); + } + + $info['audio']['bits_per_sample'] = 16; // is it? + $info['audio']['sample_rate'] = $thisfile_aa['sample_rate']; + $info['audio']['channels'] = $thisfile_aa['channels']; + + //$info['playtime_seconds'] = 0; + //$info['audio']['bitrate'] = 0; + + return true; + } + +} |