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< ? php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// //
// Please see readme.txt for more information //
// ///
/////////////////////////////////////////////////////////////////
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// attempt to define temp dir as something flexible but reliable
$temp_dir = ini_get ( 'upload_tmp_dir' );
if ( $temp_dir && ( ! is_dir ( $temp_dir ) || ! is_readable ( $temp_dir ))) {
$temp_dir = '' ;
}
if ( ! $temp_dir && function_exists ( 'sys_get_temp_dir' )) {
// PHP v5.2.1+
// sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts
$temp_dir = sys_get_temp_dir ();
}
$temp_dir = realpath ( $temp_dir );
$open_basedir = ini_get ( 'open_basedir' );
if ( $open_basedir ) {
// e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/"
$temp_dir = str_replace ( array ( '/' , '\\' ), DIRECTORY_SEPARATOR , $temp_dir );
$open_basedir = str_replace ( array ( '/' , '\\' ), DIRECTORY_SEPARATOR , $open_basedir );
if ( substr ( $temp_dir , - 1 , 1 ) != DIRECTORY_SEPARATOR ) {
$temp_dir .= DIRECTORY_SEPARATOR ;
}
$found_valid_tempdir = false ;
$open_basedirs = explode ( ':' , $open_basedir );
foreach ( $open_basedirs as $basedir ) {
if ( substr ( $basedir , - 1 , 1 ) != DIRECTORY_SEPARATOR ) {
$basedir .= DIRECTORY_SEPARATOR ;
}
if ( preg_match ( '#^' . preg_quote ( $basedir ) . '#' , $temp_dir )) {
$found_valid_tempdir = true ;
break ;
}
}
if ( ! $found_valid_tempdir ) {
$temp_dir = '' ;
}
unset ( $open_basedirs , $found_valid_tempdir , $basedir );
}
if ( ! $temp_dir ) {
$temp_dir = '*' ; // invalid directory name should force tempnam() to use system default temp dir
}
// $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system
define ( 'GETID3_TEMP_DIR' , $temp_dir );
unset ( $open_basedir , $temp_dir );
// define a constant rather than looking up every time it is needed
if ( ! defined ( 'GETID3_OS_ISWINDOWS' )) {
if ( strtoupper ( substr ( PHP_OS , 0 , 3 )) == 'WIN' ) {
define ( 'GETID3_OS_ISWINDOWS' , true );
} else {
define ( 'GETID3_OS_ISWINDOWS' , false );
}
}
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// Get base path of getID3() - ONCE
if ( ! defined ( 'GETID3_INCLUDEPATH' )) {
foreach ( get_included_files () as $key => $val ) {
if ( basename ( $val ) == 'getid3.php' ) {
define ( 'GETID3_INCLUDEPATH' , dirname ( $val ) . DIRECTORY_SEPARATOR );
break ;
}
}
}
// End: Defines
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class getID3
{
// public: Settings
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public $encoding = 'UTF-8' ; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE
public $encoding_id3v1 = 'ISO-8859-1' ; // Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252'
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// public: Optional tag checks - disable for speed.
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public $option_tag_id3v1 = true ; // Read and process ID3v1 tags
public $option_tag_id3v2 = true ; // Read and process ID3v2 tags
public $option_tag_lyrics3 = true ; // Read and process Lyrics3 tags
public $option_tag_apetag = true ; // Read and process APE tags
public $option_tags_process = true ; // Copy tags to root key 'tags' and encode to $this->encoding
public $option_tags_html = true ; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities
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// public: Optional tag/comment calucations
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public $option_extra_info = true ; // Calculate additional info such as bitrate, channelmode etc
// public: Optional handling of embedded attachments (e.g. images)
public $option_save_attachments = true ; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility
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// public: Optional calculations
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public $option_md5_data = false ; // Get MD5 sum of data part - slow
public $option_md5_data_source = false ; // Use MD5 of source file if availble - only FLAC and OptimFROG
public $option_sha1_data = false ; // Get SHA1 sum of data part - slow
public $option_max_2gb_check = null ; // Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on PHP_INT_MAX)
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// public: Read buffer size in bytes
public $option_fread_buffer_size = 32768 ;
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// Public variables
public $filename ; // Filename of file being analysed.
public $fp ; // Filepointer to file being analysed.
public $info ; // Result array.
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// Protected variables
protected $startup_error = '' ;
protected $startup_warning = '' ;
protected $memory_limit = 0 ;
const VERSION = '1.9.3-20111213' ;
const FREAD_BUFFER_SIZE = 32768 ;
var $tempdir = GETID3_TEMP_DIR ;
const ATTACHMENTS_NONE = false ;
const ATTACHMENTS_INLINE = true ;
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// public: constructor
public function __construct () {
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// Check for PHP version
$required_php_version = '5.0.5' ;
if ( version_compare ( PHP_VERSION , $required_php_version , '<' )) {
$this -> startup_error .= 'getID3() requires PHP v' . $required_php_version . ' or higher - you are running v' . PHP_VERSION ;
return false ;
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}
// Check memory
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$this -> memory_limit = ini_get ( 'memory_limit' );
if ( preg_match ( '#([0-9]+)M#i' , $this -> memory_limit , $matches )) {
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// could be stored as "16M" rather than 16777216 for example
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$this -> memory_limit = $matches [ 1 ] * 1048576 ;
} elseif ( preg_match ( '#([0-9]+)G#i' , $this -> memory_limit , $matches )) { // The 'G' modifier is available since PHP 5.1.0
// could be stored as "2G" rather than 2147483648 for example
$this -> memory_limit = $matches [ 1 ] * 1073741824 ;
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}
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if ( $this -> memory_limit <= 0 ) {
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// memory limits probably disabled
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} elseif ( $this -> memory_limit <= 4194304 ) {
$this -> startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini' ;
} elseif ( $this -> memory_limit <= 12582912 ) {
$this -> startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini' ;
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}
// Check safe_mode off
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if ( preg_match ( '#(1|ON)#i' , ini_get ( 'safe_mode' ))) {
$this -> warning ( 'WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.' );
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}
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if ( intval ( ini_get ( 'mbstring.func_overload' )) > 0 ) {
$this -> warning ( 'WARNING: php.ini contains "mbstring.func_overload = ' . ini_get ( 'mbstring.func_overload' ) . '", this may break things.' );
}
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// Check for magic_quotes_runtime
if ( function_exists ( 'get_magic_quotes_runtime' )) {
if ( get_magic_quotes_runtime ()) {
return $this -> startup_error ( 'magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).' );
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}
}
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// Check for magic_quotes_gpc
if ( function_exists ( 'magic_quotes_gpc' )) {
if ( get_magic_quotes_gpc ()) {
return $this -> startup_error ( 'magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).' );
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}
}
// Load support library
if ( ! include_once ( GETID3_INCLUDEPATH . 'getid3.lib.php' )) {
$this -> startup_error .= 'getid3.lib.php is missing or corrupt' ;
}
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if ( $this -> option_max_2gb_check === null ) {
$this -> option_max_2gb_check = ( PHP_INT_MAX <= 2147483647 );
}
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// Needed for Windows only:
// Define locations of helper applications for Shorten, VorbisComment, MetaFLAC
// as well as other helper functions such as head, tail, md5sum, etc
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// This path cannot contain spaces, but the below code will attempt to get the
// 8.3-equivalent path automatically
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// IMPORTANT: This path must include the trailing slash
if ( GETID3_OS_ISWINDOWS && ! defined ( 'GETID3_HELPERAPPSDIR' )) {
$helperappsdir = GETID3_INCLUDEPATH . '..' . DIRECTORY_SEPARATOR . 'helperapps' ; // must not have any space in this path
if ( ! is_dir ( $helperappsdir )) {
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$this -> startup_warning .= '"' . $helperappsdir . '" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist' ;
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} elseif ( strpos ( realpath ( $helperappsdir ), ' ' ) !== false ) {
$DirPieces = explode ( DIRECTORY_SEPARATOR , realpath ( $helperappsdir ));
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$path_so_far = array ();
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foreach ( $DirPieces as $key => $value ) {
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if ( strpos ( $value , ' ' ) !== false ) {
if ( ! empty ( $path_so_far )) {
$commandline = 'dir /x ' . escapeshellarg ( implode ( DIRECTORY_SEPARATOR , $path_so_far ));
$dir_listing = `$commandline` ;
$lines = explode ( " \n " , $dir_listing );
foreach ( $lines as $line ) {
$line = trim ( $line );
if ( preg_match ( '#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#' , $line , $matches )) {
list ( $dummy , $date , $time , $ampm , $filesize , $shortname , $filename ) = $matches ;
if (( strtoupper ( $filesize ) == '<DIR>' ) && ( strtolower ( $filename ) == strtolower ( $value ))) {
$value = $shortname ;
}
}
}
} else {
$this -> startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.' ;
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}
}
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$path_so_far [] = $value ;
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}
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$helperappsdir = implode ( DIRECTORY_SEPARATOR , $path_so_far );
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}
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define ( 'GETID3_HELPERAPPSDIR' , $helperappsdir . DIRECTORY_SEPARATOR );
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}
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return true ;
}
public function version () {
return self :: VERSION ;
}
public function fread_buffer_size () {
return $this -> option_fread_buffer_size ;
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}
// public: setOption
function setOption ( $optArray ) {
if ( ! is_array ( $optArray ) || empty ( $optArray )) {
return false ;
}
foreach ( $optArray as $opt => $val ) {
if ( isset ( $this -> $opt ) === false ) {
continue ;
}
$this -> $opt = $val ;
}
return true ;
}
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public function openfile ( $filename ) {
try {
if ( ! empty ( $this -> startup_error )) {
throw new getid3_exception ( $this -> startup_error );
}
if ( ! empty ( $this -> startup_warning )) {
$this -> warning ( $this -> startup_warning );
}
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// init result array and set parameters
$this -> filename = $filename ;
$this -> info = array ();
$this -> info [ 'GETID3_VERSION' ] = $this -> version ();
$this -> info [ 'php_memory_limit' ] = $this -> memory_limit ;
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// remote files not supported
if ( preg_match ( '/^(ht|f)tp:\/\//' , $filename )) {
throw new getid3_exception ( 'Remote files are not supported - please copy the file locally first' );
}
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$filename = str_replace ( '/' , DIRECTORY_SEPARATOR , $filename );
$filename = preg_replace ( '#(.+)' . preg_quote ( DIRECTORY_SEPARATOR ) . '{2,}#U' , '\1' . DIRECTORY_SEPARATOR , $filename );
// open local file
if ( is_readable ( $filename ) && is_file ( $filename ) && ( $this -> fp = fopen ( $filename , 'rb' ))) {
// great
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} else {
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throw new getid3_exception ( 'Could not open "' . $filename . '" (does not exist, or is not a file)' );
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}
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$this -> info [ 'filesize' ] = filesize ( $filename );
// set redundant parameters - might be needed in some include file
$this -> info [ 'filename' ] = basename ( $filename );
$this -> info [ 'filepath' ] = str_replace ( '\\' , '/' , realpath ( dirname ( $filename )));
$this -> info [ 'filenamepath' ] = $this -> info [ 'filepath' ] . '/' . $this -> info [ 'filename' ];
// option_max_2gb_check
if ( $this -> option_max_2gb_check ) {
// PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB)
// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
$fseek = fseek ( $this -> fp , 0 , SEEK_END );
if (( $fseek < 0 ) || (( $this -> info [ 'filesize' ] != 0 ) && ( ftell ( $this -> fp ) == 0 )) ||
( $this -> info [ 'filesize' ] < 0 ) ||
( ftell ( $this -> fp ) < 0 )) {
$real_filesize = false ;
if ( GETID3_OS_ISWINDOWS ) {
$commandline = 'dir /-C "' . str_replace ( '/' , DIRECTORY_SEPARATOR , $filename ) . '"' ;
$dir_output = `$commandline` ;
if ( preg_match ( '#1 File\(s\)[ ]+([0-9]+) bytes#i' , $dir_output , $matches )) {
$real_filesize = ( float ) $matches [ 1 ];
}
} else {
$commandline = 'ls -o -g -G --time-style=long-iso ' . escapeshellarg ( $filename );
$dir_output = `$commandline` ;
if ( preg_match ( '#([0-9]+) ([0-9]{4}-[0-9]{2}\-[0-9]{2} [0-9]{2}:[0-9]{2}) ' . str_replace ( '#' , '\\#' , preg_quote ( $filename )) . '$#' , $dir_output , $matches )) {
$real_filesize = ( float ) $matches [ 1 ];
}
}
if ( $real_filesize === false ) {
unset ( $this -> info [ 'filesize' ]);
fclose ( $this -> fp );
throw new getid3_exception ( 'Unable to determine actual filesize. File is most likely larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB and is not supported by PHP.' );
} elseif ( getid3_lib :: intValueSupported ( $real_filesize )) {
unset ( $this -> info [ 'filesize' ]);
fclose ( $this -> fp );
throw new getid3_exception ( 'PHP seems to think the file is larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB, but filesystem reports it as ' . number_format ( $real_filesize , 3 ) . 'GB, please report to info@getid3.org' );
}
$this -> info [ 'filesize' ] = $real_filesize ;
$this -> error ( 'File is larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB (filesystem reports it as ' . number_format ( $real_filesize , 3 ) . 'GB) and is not properly supported by PHP.' );
}
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}
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// set more parameters
$this -> info [ 'avdataoffset' ] = 0 ;
$this -> info [ 'avdataend' ] = $this -> info [ 'filesize' ];
$this -> info [ 'fileformat' ] = '' ; // filled in later
$this -> info [ 'audio' ][ 'dataformat' ] = '' ; // filled in later, unset if not used
$this -> info [ 'video' ][ 'dataformat' ] = '' ; // filled in later, unset if not used
$this -> info [ 'tags' ] = array (); // filled in later, unset if not used
$this -> info [ 'error' ] = array (); // filled in later, unset if not used
$this -> info [ 'warning' ] = array (); // filled in later, unset if not used
$this -> info [ 'comments' ] = array (); // filled in later, unset if not used
$this -> info [ 'encoding' ] = $this -> encoding ; // required by id3v2 and iso modules - can be unset at the end if desired
return true ;
} catch ( Exception $e ) {
$this -> error ( $e -> getMessage ());
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}
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return false ;
}
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// public: analyze file
function analyze ( $filename ) {
try {
if ( ! $this -> openfile ( $filename )) {
return $this -> info ;
}
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// Handle tags
foreach ( array ( 'id3v2' => 'id3v2' , 'id3v1' => 'id3v1' , 'apetag' => 'ape' , 'lyrics3' => 'lyrics3' ) as $tag_name => $tag_key ) {
$option_tag = 'option_tag_' . $tag_name ;
if ( $this -> $option_tag ) {
$this -> include_module ( 'tag.' . $tag_name );
try {
$tag_class = 'getid3_' . $tag_name ;
$tag = new $tag_class ( $this );
$tag -> Analyze ();
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}
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catch ( getid3_exception $e ) {
throw $e ;
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}
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}
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}
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if ( isset ( $this -> info [ 'id3v2' ][ 'tag_offset_start' ])) {
$this -> info [ 'avdataoffset' ] = max ( $this -> info [ 'avdataoffset' ], $this -> info [ 'id3v2' ][ 'tag_offset_end' ]);
}
foreach ( array ( 'id3v1' => 'id3v1' , 'apetag' => 'ape' , 'lyrics3' => 'lyrics3' ) as $tag_name => $tag_key ) {
if ( isset ( $this -> info [ $tag_key ][ 'tag_offset_start' ])) {
$this -> info [ 'avdataend' ] = min ( $this -> info [ 'avdataend' ], $this -> info [ $tag_key ][ 'tag_offset_start' ]);
}
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}
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// ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier
if ( ! $this -> option_tag_id3v2 ) {
fseek ( $this -> fp , 0 , SEEK_SET );
$header = fread ( $this -> fp , 10 );
if (( substr ( $header , 0 , 3 ) == 'ID3' ) && ( strlen ( $header ) == 10 )) {
$this -> info [ 'id3v2' ][ 'header' ] = true ;
$this -> info [ 'id3v2' ][ 'majorversion' ] = ord ( $header { 3 });
$this -> info [ 'id3v2' ][ 'minorversion' ] = ord ( $header { 4 });
$this -> info [ 'avdataoffset' ] += getid3_lib :: BigEndian2Int ( substr ( $header , 6 , 4 ), 1 ) + 10 ; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
}
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}
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// read 32 kb file data
fseek ( $this -> fp , $this -> info [ 'avdataoffset' ], SEEK_SET );
$formattest = fread ( $this -> fp , 32774 );
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// determine format
$determined_format = $this -> GetFileFormat ( $formattest , $filename );
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// unable to determine file format
if ( ! $determined_format ) {
fclose ( $this -> fp );
return $this -> error ( 'unable to determine file format' );
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}
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// check for illegal ID3 tags
if ( isset ( $determined_format [ 'fail_id3' ]) && ( in_array ( 'id3v1' , $this -> info [ 'tags' ]) || in_array ( 'id3v2' , $this -> info [ 'tags' ]))) {
if ( $determined_format [ 'fail_id3' ] === 'ERROR' ) {
fclose ( $this -> fp );
return $this -> error ( 'ID3 tags not allowed on this file type.' );
} elseif ( $determined_format [ 'fail_id3' ] === 'WARNING' ) {
$this -> warning ( 'ID3 tags not allowed on this file type.' );
}
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}
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// check for illegal APE tags
if ( isset ( $determined_format [ 'fail_ape' ]) && in_array ( 'ape' , $this -> info [ 'tags' ])) {
if ( $determined_format [ 'fail_ape' ] === 'ERROR' ) {
fclose ( $this -> fp );
return $this -> error ( 'APE tags not allowed on this file type.' );
} elseif ( $determined_format [ 'fail_ape' ] === 'WARNING' ) {
$this -> warning ( 'APE tags not allowed on this file type.' );
}
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}
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// set mime type
$this -> info [ 'mime_type' ] = $determined_format [ 'mime_type' ];
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// supported format signature pattern detected, but module deleted
if ( ! file_exists ( GETID3_INCLUDEPATH . $determined_format [ 'include' ])) {
fclose ( $this -> fp );
return $this -> error ( 'Format not supported, module "' . $determined_format [ 'include' ] . '" was removed.' );
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}
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// module requires iconv support
// Check encoding/iconv support
if ( ! empty ( $determined_format [ 'iconv_req' ]) && ! function_exists ( 'iconv' ) && ! in_array ( $this -> encoding , array ( 'ISO-8859-1' , 'UTF-8' , 'UTF-16LE' , 'UTF-16BE' , 'UTF-16' ))) {
$errormessage = 'iconv() support is required for this module (' . $determined_format [ 'include' ] . ') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. ' ;
if ( GETID3_OS_ISWINDOWS ) {
$errormessage .= 'PHP does not have iconv() support. Please enable php_iconv.dll in php.ini, and copy iconv.dll from c:/php/dlls to c:/windows/system32' ;
} else {
$errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch' ;
}
return $this -> error ( $errormessage );
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}
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// include module
include_once ( GETID3_INCLUDEPATH . $determined_format [ 'include' ]);
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// instantiate module class
$class_name = 'getid3_' . $determined_format [ 'module' ];
if ( ! class_exists ( $class_name )) {
return $this -> error ( 'Format not supported, module "' . $determined_format [ 'include' ] . '" is corrupt.' );
}
//if (isset($determined_format['option'])) {
// //$class = new $class_name($this->fp, $this->info, $determined_format['option']);
//} else {
//$class = new $class_name($this->fp, $this->info);
$class = new $class_name ( $this );
//}
if ( ! empty ( $determined_format [ 'set_inline_attachments' ])) {
$class -> inline_attachments = $this -> option_save_attachments ;
}
$class -> Analyze ();
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unset ( $class );
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// close file
fclose ( $this -> fp );
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// process all tags - copy to 'tags' and convert charsets
if ( $this -> option_tags_process ) {
$this -> HandleAllTags ();
}
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// perform more calculations
if ( $this -> option_extra_info ) {
$this -> ChannelsBitratePlaytimeCalculations ();
$this -> CalculateCompressionRatioVideo ();
$this -> CalculateCompressionRatioAudio ();
$this -> CalculateReplayGain ();
$this -> ProcessAudioStreams ();
}
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// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ( $this -> option_md5_data ) {
// do not cald md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too
if ( ! $this -> option_md5_data_source || empty ( $this -> info [ 'md5_data_source' ])) {
$this -> getHashdata ( 'md5' );
}
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}
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// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ( $this -> option_sha1_data ) {
$this -> getHashdata ( 'sha1' );
}
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// remove undesired keys
$this -> CleanUp ();
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} catch ( Exception $e ) {
$this -> error ( 'Caught exception: ' . $e -> getMessage ());
}
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// return info array
return $this -> info ;
}
// private: error handling
function error ( $message ) {
$this -> CleanUp ();
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if ( ! isset ( $this -> info [ 'error' ])) {
$this -> info [ 'error' ] = array ();
}
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$this -> info [ 'error' ][] = $message ;
return $this -> info ;
}
// private: warning handling
function warning ( $message ) {
$this -> info [ 'warning' ][] = $message ;
return true ;
}
// private: CleanUp
function CleanUp () {
// remove possible empty keys
$AVpossibleEmptyKeys = array ( 'dataformat' , 'bits_per_sample' , 'encoder_options' , 'streams' , 'bitrate' );
foreach ( $AVpossibleEmptyKeys as $dummy => $key ) {
if ( empty ( $this -> info [ 'audio' ][ $key ]) && isset ( $this -> info [ 'audio' ][ $key ])) {
unset ( $this -> info [ 'audio' ][ $key ]);
}
if ( empty ( $this -> info [ 'video' ][ $key ]) && isset ( $this -> info [ 'video' ][ $key ])) {
unset ( $this -> info [ 'video' ][ $key ]);
}
}
// remove empty root keys
if ( ! empty ( $this -> info )) {
foreach ( $this -> info as $key => $value ) {
if ( empty ( $this -> info [ $key ]) && ( $this -> info [ $key ] !== 0 ) && ( $this -> info [ $key ] !== '0' )) {
unset ( $this -> info [ $key ]);
}
}
}
// remove meaningless entries from unknown-format files
if ( empty ( $this -> info [ 'fileformat' ])) {
if ( isset ( $this -> info [ 'avdataoffset' ])) {
unset ( $this -> info [ 'avdataoffset' ]);
}
if ( isset ( $this -> info [ 'avdataend' ])) {
unset ( $this -> info [ 'avdataend' ]);
}
}
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// remove possible duplicated identical entries
if ( ! empty ( $this -> info [ 'error' ])) {
$this -> info [ 'error' ] = array_values ( array_unique ( $this -> info [ 'error' ]));
}
if ( ! empty ( $this -> info [ 'warning' ])) {
$this -> info [ 'warning' ] = array_values ( array_unique ( $this -> info [ 'warning' ]));
}
// remove "global variable" type keys
unset ( $this -> info [ 'php_memory_limit' ]);
return true ;
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}
// return array containing information about all supported formats
function GetFileFormatArray () {
static $format_info = array ();
if ( empty ( $format_info )) {
$format_info = array (
// Audio formats
// AC-3 - audio - Dolby AC-3 / Dolby Digital
'ac3' => array (
'pattern' => '^\x0B\x77' ,
'group' => 'audio' ,
'module' => 'ac3' ,
'mime_type' => 'audio/ac3' ,
),
// AAC - audio - Advanced Audio Coding (AAC) - ADIF format
'adif' => array (
'pattern' => '^ADIF' ,
'group' => 'audio' ,
'module' => 'aac' ,
'mime_type' => 'application/octet-stream' ,
'fail_ape' => 'WARNING' ,
),
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// AA - audio - Audible Audiobook
'adts' => array (
'pattern' => '^.{4}\x57\x90\x75\x36' ,
'group' => 'audio' ,
'module' => 'aa' ,
'mime_type' => 'audio/audible ' ,
),
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// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
'adts' => array (
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]' ,
'group' => 'audio' ,
'module' => 'aac' ,
'mime_type' => 'application/octet-stream' ,
'fail_ape' => 'WARNING' ,
),
// AU - audio - NeXT/Sun AUdio (AU)
'au' => array (
'pattern' => '^\.snd' ,
'group' => 'audio' ,
'module' => 'au' ,
'mime_type' => 'audio/basic' ,
),
// AVR - audio - Audio Visual Research
'avr' => array (
'pattern' => '^2BIT' ,
'group' => 'audio' ,
'module' => 'avr' ,
'mime_type' => 'application/octet-stream' ,
),
// BONK - audio - Bonk v0.9+
'bonk' => array (
'pattern' => '^\x00(BONK|INFO|META| ID3)' ,
'group' => 'audio' ,
'module' => 'bonk' ,
'mime_type' => 'audio/xmms-bonk' ,
),
// DSS - audio - Digital Speech Standard
'dss' => array (
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'pattern' => '^[\x02-\x03]dss' ,
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'group' => 'audio' ,
'module' => 'dss' ,
'mime_type' => 'application/octet-stream' ,
),
// DTS - audio - Dolby Theatre System
'dts' => array (
'pattern' => '^\x7F\xFE\x80\x01' ,
'group' => 'audio' ,
'module' => 'dts' ,
'mime_type' => 'audio/dts' ,
),
// FLAC - audio - Free Lossless Audio Codec
'flac' => array (
'pattern' => '^fLaC' ,
'group' => 'audio' ,
'module' => 'flac' ,
'mime_type' => 'audio/x-flac' ,
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'set_inline_attachments' => true ,
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),
// LA - audio - Lossless Audio (LA)
'la' => array (
'pattern' => '^LA0[2-4]' ,
'group' => 'audio' ,
'module' => 'la' ,
'mime_type' => 'application/octet-stream' ,
),
// LPAC - audio - Lossless Predictive Audio Compression (LPAC)
'lpac' => array (
'pattern' => '^LPAC' ,
'group' => 'audio' ,
'module' => 'lpac' ,
'mime_type' => 'application/octet-stream' ,
),
// MIDI - audio - MIDI (Musical Instrument Digital Interface)
'midi' => array (
'pattern' => '^MThd' ,
'group' => 'audio' ,
'module' => 'midi' ,
'mime_type' => 'audio/midi' ,
),
// MAC - audio - Monkey's Audio Compressor
'mac' => array (
'pattern' => '^MAC ' ,
'group' => 'audio' ,
'module' => 'monkey' ,
'mime_type' => 'application/octet-stream' ,
),
// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available
// // MOD - audio - MODule (assorted sub-formats)
// 'mod' => array(
// 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)',
// 'group' => 'audio',
// 'module' => 'mod',
// 'option' => 'mod',
// 'mime_type' => 'audio/mod',
// ),
// MOD - audio - MODule (Impulse Tracker)
'it' => array (
'pattern' => '^IMPM' ,
'group' => 'audio' ,
'module' => 'mod' ,
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//'option' => 'it',
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'mime_type' => 'audio/it' ,
),
// MOD - audio - MODule (eXtended Module, various sub-formats)
'xm' => array (
'pattern' => '^Extended Module' ,
'group' => 'audio' ,
'module' => 'mod' ,
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//'option' => 'xm',
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'mime_type' => 'audio/xm' ,
),
// MOD - audio - MODule (ScreamTracker)
's3m' => array (
'pattern' => '^.{44}SCRM' ,
'group' => 'audio' ,
'module' => 'mod' ,
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//'option' => 's3m',
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'mime_type' => 'audio/s3m' ,
),
// MPC - audio - Musepack / MPEGplus
'mpc' => array (
'pattern' => '^(MPCK|MP\+|[\x00\x01\x10\x11\x40\x41\x50\x51\x80\x81\x90\x91\xC0\xC1\xD0\xD1][\x20-37][\x00\x20\x40\x60\x80\xA0\xC0\xE0])' ,
'group' => 'audio' ,
'module' => 'mpc' ,
'mime_type' => 'audio/x-musepack' ,
),
// MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
'mp3' => array (
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'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\x0B\x10-\x1B\x20-\x2B\x30-\x3B\x40-\x4B\x50-\x5B\x60-\x6B\x70-\x7B\x80-\x8B\x90-\x9B\xA0-\xAB\xB0-\xBB\xC0-\xCB\xD0-\xDB\xE0-\xEB\xF0-\xFB]' ,
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'group' => 'audio' ,
'module' => 'mp3' ,
'mime_type' => 'audio/mpeg' ,
),
// OFR - audio - OptimFROG
'ofr' => array (
'pattern' => '^(\*RIFF|OFR)' ,
'group' => 'audio' ,
'module' => 'optimfrog' ,
'mime_type' => 'application/octet-stream' ,
),
// RKAU - audio - RKive AUdio compressor
'rkau' => array (
'pattern' => '^RKA' ,
'group' => 'audio' ,
'module' => 'rkau' ,
'mime_type' => 'application/octet-stream' ,
),
// SHN - audio - Shorten
'shn' => array (
'pattern' => '^ajkg' ,
'group' => 'audio' ,
'module' => 'shorten' ,
'mime_type' => 'audio/xmms-shn' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org)
'tta' => array (
'pattern' => '^TTA' , // could also be '^TTA(\x01|\x02|\x03|2|1)'
'group' => 'audio' ,
'module' => 'tta' ,
'mime_type' => 'application/octet-stream' ,
),
// VOC - audio - Creative Voice (VOC)
'voc' => array (
'pattern' => '^Creative Voice File' ,
'group' => 'audio' ,
'module' => 'voc' ,
'mime_type' => 'audio/voc' ,
),
// VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF)
'vqf' => array (
'pattern' => '^TWIN' ,
'group' => 'audio' ,
'module' => 'vqf' ,
'mime_type' => 'application/octet-stream' ,
),
// WV - audio - WavPack (v4.0+)
'wv' => array (
'pattern' => '^wvpk' ,
'group' => 'audio' ,
'module' => 'wavpack' ,
'mime_type' => 'application/octet-stream' ,
),
// Audio-Video formats
// ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio
'asf' => array (
'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C' ,
'group' => 'audio-video' ,
'module' => 'asf' ,
'mime_type' => 'video/x-ms-asf' ,
'iconv_req' => false ,
),
// BINK - audio/video - Bink / Smacker
'bink' => array (
'pattern' => '^(BIK|SMK)' ,
'group' => 'audio-video' ,
'module' => 'bink' ,
'mime_type' => 'application/octet-stream' ,
),
// FLV - audio/video - FLash Video
'flv' => array (
'pattern' => '^FLV\x01' ,
'group' => 'audio-video' ,
'module' => 'flv' ,
'mime_type' => 'video/x-flv' ,
),
// MKAV - audio/video - Mastroka
'matroska' => array (
'pattern' => '^\x1A\x45\xDF\xA3' ,
'group' => 'audio-video' ,
'module' => 'matroska' ,
'mime_type' => 'video/x-matroska' , // may also be audio/x-matroska
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'set_inline_attachments' => true ,
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),
// MPEG - audio/video - MPEG (Moving Pictures Experts Group)
'mpeg' => array (
'pattern' => '^\x00\x00\x01(\xBA|\xB3)' ,
'group' => 'audio-video' ,
'module' => 'mpeg' ,
'mime_type' => 'video/mpeg' ,
),
// NSV - audio/video - Nullsoft Streaming Video (NSV)
'nsv' => array (
'pattern' => '^NSV[sf]' ,
'group' => 'audio-video' ,
'module' => 'nsv' ,
'mime_type' => 'application/octet-stream' ,
),
// Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*))
'ogg' => array (
'pattern' => '^OggS' ,
'group' => 'audio' ,
'module' => 'ogg' ,
'mime_type' => 'application/ogg' ,
'fail_id3' => 'WARNING' ,
'fail_ape' => 'WARNING' ,
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'set_inline_attachments' => true ,
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),
// QT - audio/video - Quicktime
'quicktime' => array (
'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)' ,
'group' => 'audio-video' ,
'module' => 'quicktime' ,
'mime_type' => 'video/quicktime' ,
),
// RIFF - audio/video - Resource Interchange File Format (RIFF) / WAV / AVI / CD-audio / SDSS = renamed variant used by SmartSound QuickTracks (www.smartsound.com) / FORM = Audio Interchange File Format (AIFF)
'riff' => array (
'pattern' => '^(RIFF|SDSS|FORM)' ,
'group' => 'audio-video' ,
'module' => 'riff' ,
'mime_type' => 'audio/x-wave' ,
'fail_ape' => 'WARNING' ,
),
// Real - audio/video - RealAudio, RealVideo
'real' => array (
'pattern' => '^(\\.RMF|\\.ra)' ,
'group' => 'audio-video' ,
'module' => 'real' ,
'mime_type' => 'audio/x-realaudio' ,
),
// SWF - audio/video - ShockWave Flash
'swf' => array (
'pattern' => '^(F|C)WS' ,
'group' => 'audio-video' ,
'module' => 'swf' ,
'mime_type' => 'application/x-shockwave-flash' ,
),
// Still-Image formats
// BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4)
'bmp' => array (
'pattern' => '^BM' ,
'group' => 'graphic' ,
'module' => 'bmp' ,
'mime_type' => 'image/bmp' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// GIF - still image - Graphics Interchange Format
'gif' => array (
'pattern' => '^GIF' ,
'group' => 'graphic' ,
'module' => 'gif' ,
'mime_type' => 'image/gif' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// JPEG - still image - Joint Photographic Experts Group (JPEG)
'jpg' => array (
'pattern' => '^\xFF\xD8\xFF' ,
'group' => 'graphic' ,
'module' => 'jpg' ,
'mime_type' => 'image/jpeg' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// PCD - still image - Kodak Photo CD
'pcd' => array (
'pattern' => '^.{2048}PCD_IPI\x00' ,
'group' => 'graphic' ,
'module' => 'pcd' ,
'mime_type' => 'image/x-photo-cd' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// PNG - still image - Portable Network Graphics (PNG)
'png' => array (
'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A' ,
'group' => 'graphic' ,
'module' => 'png' ,
'mime_type' => 'image/png' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
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// SVG - still image - Scalable Vector Graphics (SVG)
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'svg' => array (
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'pattern' => '(<!DOCTYPE svg PUBLIC |xmlns="http:\/\/www\.w3\.org\/2000\/svg")' ,
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'group' => 'graphic' ,
'module' => 'svg' ,
'mime_type' => 'image/svg+xml' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
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// TIFF - still image - Tagged Information File Format (TIFF)
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'tiff' => array (
'pattern' => '^(II\x2A\x00|MM\x00\x2A)' ,
'group' => 'graphic' ,
'module' => 'tiff' ,
'mime_type' => 'image/tiff' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
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// EFAX - still image - eFax (TIFF derivative)
'bmp' => array (
'pattern' => '^\xDC\xFE' ,
'group' => 'graphic' ,
'module' => 'efax' ,
'mime_type' => 'image/efax' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
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// Data formats
// ISO - data - International Standards Organization (ISO) CD-ROM Image
'iso' => array (
'pattern' => '^.{32769}CD001' ,
'group' => 'misc' ,
'module' => 'iso' ,
'mime_type' => 'application/octet-stream' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
'iconv_req' => false ,
),
// RAR - data - RAR compressed data
'rar' => array (
'pattern' => '^Rar\!' ,
'group' => 'archive' ,
'module' => 'rar' ,
'mime_type' => 'application/octet-stream' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// SZIP - audio/data - SZIP compressed data
'szip' => array (
'pattern' => '^SZ\x0A\x04' ,
'group' => 'archive' ,
'module' => 'szip' ,
'mime_type' => 'application/octet-stream' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// TAR - data - TAR compressed data
'tar' => array (
'pattern' => '^.{100}[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20\x00]{12}[0-9\x20\x00]{12}' ,
'group' => 'archive' ,
'module' => 'tar' ,
'mime_type' => 'application/x-tar' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// GZIP - data - GZIP compressed data
'gz' => array (
'pattern' => '^\x1F\x8B\x08' ,
'group' => 'archive' ,
'module' => 'gzip' ,
'mime_type' => 'application/x-gzip' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// ZIP - data - ZIP compressed data
'zip' => array (
'pattern' => '^PK\x03\x04' ,
'group' => 'archive' ,
'module' => 'zip' ,
'mime_type' => 'application/zip' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// Misc other formats
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// PAR2 - data - Parity Volume Set Specification 2.0
'par2' => array (
'pattern' => '^PAR2\x00PKT' ,
'group' => 'misc' ,
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'module' => 'par2' ,
'mime_type' => 'application/octet-stream' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// PDF - data - Portable Document Format
'pdf' => array (
'pattern' => '^\x25PDF' ,
'group' => 'misc' ,
'module' => 'pdf' ,
'mime_type' => 'application/pdf' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
// MSOFFICE - data - ZIP compressed data
'msoffice' => array (
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'pattern' => '^\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1' , // D0CF11E == DOCFILE == Microsoft Office Document
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'group' => 'misc' ,
'module' => 'msoffice' ,
'mime_type' => 'application/octet-stream' ,
'fail_id3' => 'ERROR' ,
'fail_ape' => 'ERROR' ,
),
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// CUE - data - CUEsheet (index to single-file disc images)
'cue' => array (
'pattern' => '' , // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents
'group' => 'misc' ,
'module' => 'cue' ,
'mime_type' => 'application/octet-stream' ,
),
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);
}
return $format_info ;
}
function GetFileFormat ( & $filedata , $filename = '' ) {
// this function will determine the format of a file based on usually
// the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG,
// and in the case of ISO CD image, 6 bytes offset 32kb from the start
// of the file).
// Identify file format - loop through $format_info and detect with reg expr
foreach ( $this -> GetFileFormatArray () as $format_name => $info ) {
// The /s switch on preg_match() forces preg_match() NOT to treat
// newline (0x0A) characters as special chars but do a binary match
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if ( ! empty ( $info [ 'pattern' ]) && preg_match ( '#' . $info [ 'pattern' ] . '#s' , $filedata )) {
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$info [ 'include' ] = 'module.' . $info [ 'group' ] . '.' . $info [ 'module' ] . '.php' ;
return $info ;
}
}
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if ( preg_match ( '#\.mp[123a]$#i' , $filename )) {
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// Too many mp3 encoders on the market put gabage in front of mpeg files
// use assume format on these if format detection failed
$GetFileFormatArray = $this -> GetFileFormatArray ();
$info = $GetFileFormatArray [ 'mp3' ];
$info [ 'include' ] = 'module.' . $info [ 'group' ] . '.' . $info [ 'module' ] . '.php' ;
return $info ;
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} elseif ( preg_match ( '/\.cue$/i' , $filename ) && preg_match ( '#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#' , $filedata )) {
// there's not really a useful consistent "magic" at the beginning of .cue files to identify them
// so until I think of something better, just go by filename if all other format checks fail
// and verify there's at least one instance of "TRACK xx AUDIO" in the file
$GetFileFormatArray = $this -> GetFileFormatArray ();
$info = $GetFileFormatArray [ 'cue' ];
$info [ 'include' ] = 'module.' . $info [ 'group' ] . '.' . $info [ 'module' ] . '.php' ;
return $info ;
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}
return false ;
}
// converts array to $encoding charset from $this->encoding
function CharConvert ( & $array , $encoding ) {
// identical encoding - end here
if ( $encoding == $this -> encoding ) {
return ;
}
// loop thru array
foreach ( $array as $key => $value ) {
// go recursive
if ( is_array ( $value )) {
$this -> CharConvert ( $array [ $key ], $encoding );
}
// convert string
elseif ( is_string ( $value )) {
$array [ $key ] = trim ( getid3_lib :: iconv_fallback ( $encoding , $this -> encoding , $value ));
}
}
}
function HandleAllTags () {
// key name => array (tag name, character encoding)
static $tags ;
if ( empty ( $tags )) {
$tags = array (
'asf' => array ( 'asf' , 'UTF-16LE' ),
'midi' => array ( 'midi' , 'ISO-8859-1' ),
'nsv' => array ( 'nsv' , 'ISO-8859-1' ),
'ogg' => array ( 'vorbiscomment' , 'UTF-8' ),
'png' => array ( 'png' , 'UTF-8' ),
'tiff' => array ( 'tiff' , 'ISO-8859-1' ),
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'quicktime' => array ( 'quicktime' , 'UTF-8' ),
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'real' => array ( 'real' , 'ISO-8859-1' ),
'vqf' => array ( 'vqf' , 'ISO-8859-1' ),
'zip' => array ( 'zip' , 'ISO-8859-1' ),
'riff' => array ( 'riff' , 'ISO-8859-1' ),
'lyrics3' => array ( 'lyrics3' , 'ISO-8859-1' ),
'id3v1' => array ( 'id3v1' , $this -> encoding_id3v1 ),
'id3v2' => array ( 'id3v2' , 'UTF-8' ), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8
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'ape' => array ( 'ape' , 'UTF-8' ),
'cue' => array ( 'cue' , 'ISO-8859-1' ),
'matroska' => array ( 'matroska' , 'UTF-8' ),
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);
}
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// loop through comments array
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foreach ( $tags as $comment_name => $tagname_encoding_array ) {
list ( $tag_name , $encoding ) = $tagname_encoding_array ;
// fill in default encoding type if not already present
if ( isset ( $this -> info [ $comment_name ]) && ! isset ( $this -> info [ $comment_name ][ 'encoding' ])) {
$this -> info [ $comment_name ][ 'encoding' ] = $encoding ;
}
// copy comments if key name set
if ( ! empty ( $this -> info [ $comment_name ][ 'comments' ])) {
foreach ( $this -> info [ $comment_name ][ 'comments' ] as $tag_key => $valuearray ) {
foreach ( $valuearray as $key => $value ) {
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if ( is_string ( $value )) {
$value = trim ( $value , " \r \n \t " ); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed!
}
if ( $value ) {
$this -> info [ 'tags' ][ trim ( $tag_name )][ trim ( $tag_key )][] = $value ;
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}
}
}
if ( ! isset ( $this -> info [ 'tags' ][ $tag_name ])) {
// comments are set but contain nothing but empty strings, so skip
continue ;
}
if ( $this -> option_tags_html ) {
foreach ( $this -> info [ 'tags' ][ $tag_name ] as $tag_key => $valuearray ) {
foreach ( $valuearray as $key => $value ) {
if ( is_string ( $value )) {
//$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding);
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$this -> info [ 'tags_html' ][ $tag_name ][ $tag_key ][ $key ] = str_replace ( '�' , '' , trim ( getid3_lib :: MultiByteCharString2HTML ( $value , $encoding )));
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} else {
$this -> info [ 'tags_html' ][ $tag_name ][ $tag_key ][ $key ] = $value ;
}
}
}
}
$this -> CharConvert ( $this -> info [ 'tags' ][ $tag_name ], $encoding ); // only copy gets converted!
}
}
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// pictures can take up a lot of space, and we don't need multiple copies of them
// let there be a single copy in [comments][picture], and not elsewhere
if ( ! empty ( $this -> info [ 'tags' ])) {
$unset_keys = array ( 'tags' , 'tags_html' );
foreach ( $this -> info [ 'tags' ] as $tagtype => $tagarray ) {
foreach ( $tagarray as $tagname => $tagdata ) {
if ( $tagname == 'picture' ) {
foreach ( $tagdata as $key => $tagarray ) {
$this -> info [ 'comments' ][ 'picture' ][] = $tagarray ;
if ( isset ( $tagarray [ 'data' ]) && isset ( $tagarray [ 'image_mime' ])) {
if ( isset ( $this -> info [ 'tags' ][ $tagtype ][ $tagname ][ $key ])) {
unset ( $this -> info [ 'tags' ][ $tagtype ][ $tagname ][ $key ]);
}
if ( isset ( $this -> info [ 'tags_html' ][ $tagtype ][ $tagname ][ $key ])) {
unset ( $this -> info [ 'tags_html' ][ $tagtype ][ $tagname ][ $key ]);
}
}
}
}
}
foreach ( $unset_keys as $unset_key ) {
// remove possible empty keys from (e.g. [tags][id3v2][picture])
if ( empty ( $this -> info [ $unset_key ][ $tagtype ][ 'picture' ])) {
unset ( $this -> info [ $unset_key ][ $tagtype ][ 'picture' ]);
}
if ( empty ( $this -> info [ $unset_key ][ $tagtype ])) {
unset ( $this -> info [ $unset_key ][ $tagtype ]);
}
if ( empty ( $this -> info [ $unset_key ])) {
unset ( $this -> info [ $unset_key ]);
}
}
// remove duplicate copy of picture data from (e.g. [id3v2][comments][picture])
if ( isset ( $this -> info [ $tagtype ][ 'comments' ][ 'picture' ])) {
unset ( $this -> info [ $tagtype ][ 'comments' ][ 'picture' ]);
}
if ( empty ( $this -> info [ $tagtype ][ 'comments' ])) {
unset ( $this -> info [ $tagtype ][ 'comments' ]);
}
if ( empty ( $this -> info [ $tagtype ])) {
unset ( $this -> info [ $tagtype ]);
}
}
}
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return true ;
}
function getHashdata ( $algorithm ) {
switch ( $algorithm ) {
case 'md5' :
case 'sha1' :
break ;
default :
return $this -> error ( 'bad algorithm "' . $algorithm . '" in getHashdata()' );
break ;
}
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if ( ! empty ( $this -> info [ 'fileformat' ]) && ! empty ( $this -> info [ 'dataformat' ]) && ( $this -> info [ 'fileformat' ] == 'ogg' ) && ( $this -> info [ 'audio' ][ 'dataformat' ] == 'vorbis' )) {
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// We cannot get an identical md5_data value for Ogg files where the comments
// span more than 1 Ogg page (compared to the same audio data with smaller
// comments) using the normal getID3() method of MD5'ing the data between the
// end of the comments and the end of the file (minus any trailing tags),
// because the page sequence numbers of the pages that the audio data is on
// do not match. Under normal circumstances, where comments are smaller than
// the nominal 4-8kB page size, then this is not a problem, but if there are
// very large comments, the only way around it is to strip off the comment
// tags with vorbiscomment and MD5 that file.
// This procedure must be applied to ALL Ogg files, not just the ones with
// comments larger than 1 page, because the below method simply MD5's the
// whole file with the comments stripped, not just the portion after the
// comments block (which is the standard getID3() method.
// The above-mentioned problem of comments spanning multiple pages and changing
// page sequence numbers likely happens for OggSpeex and OggFLAC as well, but
// currently vorbiscomment only works on OggVorbis files.
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if ( preg_match ( '#(1|ON)#i' , ini_get ( 'safe_mode' ))) {
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$this -> warning ( 'Failed making system call to vorbiscomment.exe - ' . $algorithm . '_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)' );
$this -> info [ $algorithm . '_data' ] = false ;
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} else {
// Prevent user from aborting script
$old_abort = ignore_user_abort ( true );
// Create empty file
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$empty = tempnam ( GETID3_TEMP_DIR , 'getID3' );
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touch ( $empty );
// Use vorbiscomment to make temp file without comments
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$temp = tempnam ( GETID3_TEMP_DIR , 'getID3' );
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$file = $this -> info [ 'filenamepath' ];
if ( GETID3_OS_ISWINDOWS ) {
if ( file_exists ( GETID3_HELPERAPPSDIR . 'vorbiscomment.exe' )) {
$commandline = '"' . GETID3_HELPERAPPSDIR . 'vorbiscomment.exe" -w -c "' . $empty . '" "' . $file . '" "' . $temp . '"' ;
$VorbisCommentError = `$commandline` ;
} else {
$VorbisCommentError = 'vorbiscomment.exe not found in ' . GETID3_HELPERAPPSDIR ;
}
} else {
$commandline = 'vorbiscomment -w -c "' . $empty . '" "' . $file . '" "' . $temp . '" 2>&1' ;
$commandline = 'vorbiscomment -w -c ' . escapeshellarg ( $empty ) . ' ' . escapeshellarg ( $file ) . ' ' . escapeshellarg ( $temp ) . ' 2>&1' ;
$VorbisCommentError = `$commandline` ;
}
if ( ! empty ( $VorbisCommentError )) {
$this -> info [ 'warning' ][] = 'Failed making system call to vorbiscomment(.exe) - ' . $algorithm . '_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: ' . $VorbisCommentError ;
$this -> info [ $algorithm . '_data' ] = false ;
} else {
// Get hash of newly created file
switch ( $algorithm ) {
case 'md5' :
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$this -> info [ $algorithm . '_data' ] = md5_file ( $temp );
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break ;
case 'sha1' :
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$this -> info [ $algorithm . '_data' ] = sha1_file ( $temp );
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break ;
}
}
// Clean up
unlink ( $empty );
unlink ( $temp );
// Reset abort setting
ignore_user_abort ( $old_abort );
}
} else {
if ( ! empty ( $this -> info [ 'avdataoffset' ]) || ( isset ( $this -> info [ 'avdataend' ]) && ( $this -> info [ 'avdataend' ] < $this -> info [ 'filesize' ]))) {
// get hash from part of file
$this -> info [ $algorithm . '_data' ] = getid3_lib :: hash_data ( $this -> info [ 'filenamepath' ], $this -> info [ 'avdataoffset' ], $this -> info [ 'avdataend' ], $algorithm );
} else {
// get hash from whole file
switch ( $algorithm ) {
case 'md5' :
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$this -> info [ $algorithm . '_data' ] = md5_file ( $this -> info [ 'filenamepath' ]);
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break ;
case 'sha1' :
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$this -> info [ $algorithm . '_data' ] = sha1_file ( $this -> info [ 'filenamepath' ]);
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break ;
}
}
}
return true ;
}
function ChannelsBitratePlaytimeCalculations () {
// set channelmode on audio
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if ( ! empty ( $this -> info [ 'audio' ][ 'channelmode' ]) || ! isset ( $this -> info [ 'audio' ][ 'channels' ])) {
// ignore
} elseif ( $this -> info [ 'audio' ][ 'channels' ] == 1 ) {
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$this -> info [ 'audio' ][ 'channelmode' ] = 'mono' ;
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} elseif ( $this -> info [ 'audio' ][ 'channels' ] == 2 ) {
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$this -> info [ 'audio' ][ 'channelmode' ] = 'stereo' ;
}
// Calculate combined bitrate - audio + video
$CombinedBitrate = 0 ;
$CombinedBitrate += ( isset ( $this -> info [ 'audio' ][ 'bitrate' ]) ? $this -> info [ 'audio' ][ 'bitrate' ] : 0 );
$CombinedBitrate += ( isset ( $this -> info [ 'video' ][ 'bitrate' ]) ? $this -> info [ 'video' ][ 'bitrate' ] : 0 );
if (( $CombinedBitrate > 0 ) && empty ( $this -> info [ 'bitrate' ])) {
$this -> info [ 'bitrate' ] = $CombinedBitrate ;
}
//if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) {
// // for example, VBR MPEG video files cannot determine video bitrate:
// // should not set overall bitrate and playtime from audio bitrate only
// unset($this->info['bitrate']);
//}
// video bitrate undetermined, but calculable
if ( isset ( $this -> info [ 'video' ][ 'dataformat' ]) && $this -> info [ 'video' ][ 'dataformat' ] && ( ! isset ( $this -> info [ 'video' ][ 'bitrate' ]) || ( $this -> info [ 'video' ][ 'bitrate' ] == 0 ))) {
// if video bitrate not set
if ( isset ( $this -> info [ 'audio' ][ 'bitrate' ]) && ( $this -> info [ 'audio' ][ 'bitrate' ] > 0 ) && ( $this -> info [ 'audio' ][ 'bitrate' ] == $this -> info [ 'bitrate' ])) {
// AND if audio bitrate is set to same as overall bitrate
if ( isset ( $this -> info [ 'playtime_seconds' ]) && ( $this -> info [ 'playtime_seconds' ] > 0 )) {
// AND if playtime is set
if ( isset ( $this -> info [ 'avdataend' ]) && isset ( $this -> info [ 'avdataoffset' ])) {
// AND if AV data offset start/end is known
// THEN we can calculate the video bitrate
$this -> info [ 'bitrate' ] = round ((( $this -> info [ 'avdataend' ] - $this -> info [ 'avdataoffset' ]) * 8 ) / $this -> info [ 'playtime_seconds' ]);
$this -> info [ 'video' ][ 'bitrate' ] = $this -> info [ 'bitrate' ] - $this -> info [ 'audio' ][ 'bitrate' ];
}
}
}
}
if (( ! isset ( $this -> info [ 'playtime_seconds' ]) || ( $this -> info [ 'playtime_seconds' ] <= 0 )) && ! empty ( $this -> info [ 'bitrate' ])) {
$this -> info [ 'playtime_seconds' ] = (( $this -> info [ 'avdataend' ] - $this -> info [ 'avdataoffset' ]) * 8 ) / $this -> info [ 'bitrate' ];
}
if ( ! isset ( $this -> info [ 'bitrate' ]) && ! empty ( $this -> info [ 'playtime_seconds' ])) {
$this -> info [ 'bitrate' ] = (( $this -> info [ 'avdataend' ] - $this -> info [ 'avdataoffset' ]) * 8 ) / $this -> info [ 'playtime_seconds' ];
}
if ( isset ( $this -> info [ 'bitrate' ]) && empty ( $this -> info [ 'audio' ][ 'bitrate' ]) && empty ( $this -> info [ 'video' ][ 'bitrate' ])) {
if ( isset ( $this -> info [ 'audio' ][ 'dataformat' ]) && empty ( $this -> info [ 'video' ][ 'resolution_x' ])) {
// audio only
$this -> info [ 'audio' ][ 'bitrate' ] = $this -> info [ 'bitrate' ];
} elseif ( isset ( $this -> info [ 'video' ][ 'resolution_x' ]) && empty ( $this -> info [ 'audio' ][ 'dataformat' ])) {
// video only
$this -> info [ 'video' ][ 'bitrate' ] = $this -> info [ 'bitrate' ];
}
}
// Set playtime string
if ( ! empty ( $this -> info [ 'playtime_seconds' ]) && empty ( $this -> info [ 'playtime_string' ])) {
$this -> info [ 'playtime_string' ] = getid3_lib :: PlaytimeString ( $this -> info [ 'playtime_seconds' ]);
}
}
function CalculateCompressionRatioVideo () {
if ( empty ( $this -> info [ 'video' ])) {
return false ;
}
if ( empty ( $this -> info [ 'video' ][ 'resolution_x' ]) || empty ( $this -> info [ 'video' ][ 'resolution_y' ])) {
return false ;
}
if ( empty ( $this -> info [ 'video' ][ 'bits_per_sample' ])) {
return false ;
}
switch ( $this -> info [ 'video' ][ 'dataformat' ]) {
case 'bmp' :
case 'gif' :
case 'jpeg' :
case 'jpg' :
case 'png' :
case 'tiff' :
$FrameRate = 1 ;
$PlaytimeSeconds = 1 ;
$BitrateCompressed = $this -> info [ 'filesize' ] * 8 ;
break ;
default :
if ( ! empty ( $this -> info [ 'video' ][ 'frame_rate' ])) {
$FrameRate = $this -> info [ 'video' ][ 'frame_rate' ];
} else {
return false ;
}
if ( ! empty ( $this -> info [ 'playtime_seconds' ])) {
$PlaytimeSeconds = $this -> info [ 'playtime_seconds' ];
} else {
return false ;
}
if ( ! empty ( $this -> info [ 'video' ][ 'bitrate' ])) {
$BitrateCompressed = $this -> info [ 'video' ][ 'bitrate' ];
} else {
return false ;
}
break ;
}
$BitrateUncompressed = $this -> info [ 'video' ][ 'resolution_x' ] * $this -> info [ 'video' ][ 'resolution_y' ] * $this -> info [ 'video' ][ 'bits_per_sample' ] * $FrameRate ;
$this -> info [ 'video' ][ 'compression_ratio' ] = $BitrateCompressed / $BitrateUncompressed ;
return true ;
}
function CalculateCompressionRatioAudio () {
if ( empty ( $this -> info [ 'audio' ][ 'bitrate' ]) || empty ( $this -> info [ 'audio' ][ 'channels' ]) || empty ( $this -> info [ 'audio' ][ 'sample_rate' ])) {
return false ;
}
$this -> info [ 'audio' ][ 'compression_ratio' ] = $this -> info [ 'audio' ][ 'bitrate' ] / ( $this -> info [ 'audio' ][ 'channels' ] * $this -> info [ 'audio' ][ 'sample_rate' ] * ( ! empty ( $this -> info [ 'audio' ][ 'bits_per_sample' ]) ? $this -> info [ 'audio' ][ 'bits_per_sample' ] : 16 ));
if ( ! empty ( $this -> info [ 'audio' ][ 'streams' ])) {
foreach ( $this -> info [ 'audio' ][ 'streams' ] as $streamnumber => $streamdata ) {
if ( ! empty ( $streamdata [ 'bitrate' ]) && ! empty ( $streamdata [ 'channels' ]) && ! empty ( $streamdata [ 'sample_rate' ])) {
$this -> info [ 'audio' ][ 'streams' ][ $streamnumber ][ 'compression_ratio' ] = $streamdata [ 'bitrate' ] / ( $streamdata [ 'channels' ] * $streamdata [ 'sample_rate' ] * ( ! empty ( $streamdata [ 'bits_per_sample' ]) ? $streamdata [ 'bits_per_sample' ] : 16 ));
}
}
}
return true ;
}
function CalculateReplayGain () {
if ( isset ( $this -> info [ 'replay_gain' ])) {
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if ( ! isset ( $this -> info [ 'replay_gain' ][ 'reference_volume' ])) {
$this -> info [ 'replay_gain' ][ 'reference_volume' ] = ( double ) 89.0 ;
}
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if ( isset ( $this -> info [ 'replay_gain' ][ 'track' ][ 'adjustment' ])) {
$this -> info [ 'replay_gain' ][ 'track' ][ 'volume' ] = $this -> info [ 'replay_gain' ][ 'reference_volume' ] - $this -> info [ 'replay_gain' ][ 'track' ][ 'adjustment' ];
}
if ( isset ( $this -> info [ 'replay_gain' ][ 'album' ][ 'adjustment' ])) {
$this -> info [ 'replay_gain' ][ 'album' ][ 'volume' ] = $this -> info [ 'replay_gain' ][ 'reference_volume' ] - $this -> info [ 'replay_gain' ][ 'album' ][ 'adjustment' ];
}
if ( isset ( $this -> info [ 'replay_gain' ][ 'track' ][ 'peak' ])) {
$this -> info [ 'replay_gain' ][ 'track' ][ 'max_noclip_gain' ] = 0 - getid3_lib :: RGADamplitude2dB ( $this -> info [ 'replay_gain' ][ 'track' ][ 'peak' ]);
}
if ( isset ( $this -> info [ 'replay_gain' ][ 'album' ][ 'peak' ])) {
$this -> info [ 'replay_gain' ][ 'album' ][ 'max_noclip_gain' ] = 0 - getid3_lib :: RGADamplitude2dB ( $this -> info [ 'replay_gain' ][ 'album' ][ 'peak' ]);
}
}
return true ;
}
function ProcessAudioStreams () {
if ( ! empty ( $this -> info [ 'audio' ][ 'bitrate' ]) || ! empty ( $this -> info [ 'audio' ][ 'channels' ]) || ! empty ( $this -> info [ 'audio' ][ 'sample_rate' ])) {
if ( ! isset ( $this -> info [ 'audio' ][ 'streams' ])) {
foreach ( $this -> info [ 'audio' ] as $key => $value ) {
if ( $key != 'streams' ) {
$this -> info [ 'audio' ][ 'streams' ][ 0 ][ $key ] = $value ;
}
}
}
}
return true ;
}
function getid3_tempnam () {
return tempnam ( $this -> tempdir , 'gI3' );
}
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public function saveAttachment ( & $ThisFileInfoIndex , $filename , $offset , $length ) {
try {
if ( ! getid3_lib :: intValueSupported ( $offset + $length )) {
throw new Exception ( 'cannot extract attachment, it extends beyond the ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB limit' );
}
// do not extract at all
if ( $this -> option_save_attachments === getID3 :: ATTACHMENTS_NONE ) {
unset ( $ThisFileInfoIndex ); // do not set any
// extract to return array
} elseif ( $this -> option_save_attachments === getID3 :: ATTACHMENTS_INLINE ) {
// get whole data in one pass, till it is anyway stored in memory
$ThisFileInfoIndex = file_get_contents ( $this -> info [ 'filenamepath' ], false , null , $offset , $length );
if (( $ThisFileInfoIndex === false ) || ( strlen ( $ThisFileInfoIndex ) != $length )) { // verify
throw new Exception ( 'failed to read attachment data' );
}
// assume directory path is given
} else {
$dir = rtrim ( str_replace ( array ( '/' , '\\' ), DIRECTORY_SEPARATOR , $this -> option_save_attachments ), DIRECTORY_SEPARATOR );
// check supplied directory
if ( ! is_dir ( $dir ) || ! is_writable ( $dir )) {
throw new Exception ( 'getID3::saveAttachment() -- supplied path (' . $dir . ') does not exist, or is not writable' );
}
// set up destination path
$dest = $dir . DIRECTORY_SEPARATOR . $filename ;
// optimize speed if read buffer size is configured to be large enough
// here stream_copy_to_stream() may also be used. need to do speed-compare tests
if ( $length <= $this -> fread_buffer_size ()) {
$data = file_get_contents ( $this -> info [ 'filenamepath' ], false , null , $offset , $length );
if (( $data === false ) || ( strlen ( $data ) != $length )) { // verify
throw new Exception ( 'failed to read attachment data' );
}
if ( ! file_put_contents ( $dest , $data )) {
throw new Exception ( 'failed to create file ' . $dest );
}
} else {
// optimization not available - copy data in loop
// here stream_copy_to_stream() shouldn't be used because it's internal read buffer may be larger than ours!
getid3_lib :: CopyFileParts ( $this -> info [ 'filenamepath' ], $dest , $offset , $length );
}
$ThisFileInfoIndex = $dest ;
}
} catch ( Exception $e ) {
unset ( $ThisFileInfoIndex ); // do not set any is case of error
$this -> warning ( 'Failed to extract attachment ' . $filename . ': ' . $e -> getMessage ());
return false ;
}
return true ;
}
public function include_module ( $name ) {
//if (!file_exists($this->include_path.'module.'.$name.'.php')) {
if ( ! file_exists ( GETID3_INCLUDEPATH . 'module.' . $name . '.php' )) {
throw new getid3_exception ( 'Required module.' . $name . '.php is missing.' );
}
include_once ( GETID3_INCLUDEPATH . 'module.' . $name . '.php' );
return true ;
}
}
abstract class getid3_handler
{
protected $getid3 ; // pointer
protected $data_string_flag = false ; // analyzing filepointer or string
protected $data_string ; // string to analyze
protected $data_string_position = 0 ; // seek position in string
public function __construct ( getID3 $getid3 ) {
$this -> getid3 = $getid3 ;
}
// Analyze from file pointer
abstract public function Analyze ();
// Analyze from string instead
public function AnalyzeString ( & $string ) {
// Enter string mode
$this -> data_string_flag = true ;
$this -> data_string = $string ;
// Save info
$saved_avdataoffset = $this -> getid3 -> info [ 'avdataoffset' ];
$saved_avdataend = $this -> getid3 -> info [ 'avdataend' ];
$saved_filesize = $this -> getid3 -> info [ 'filesize' ];
// Reset some info
$this -> getid3 -> info [ 'avdataoffset' ] = 0 ;
$this -> getid3 -> info [ 'avdataend' ] = $this -> getid3 -> info [ 'filesize' ] = strlen ( $string );
// Analyze
$this -> Analyze ();
// Restore some info
$this -> getid3 -> info [ 'avdataoffset' ] = $saved_avdataoffset ;
$this -> getid3 -> info [ 'avdataend' ] = $saved_avdataend ;
$this -> getid3 -> info [ 'filesize' ] = $saved_filesize ;
// Exit string mode
$this -> data_string_flag = false ;
}
protected function ftell () {
if ( $this -> data_string_flag ) {
return $this -> data_string_position ;
}
return ftell ( $this -> getid3 -> fp );
}
protected function fread ( $bytes ) {
if ( $this -> data_string_flag ) {
$this -> data_string_position += $bytes ;
return substr ( $this -> data_string , $this -> data_string_position - $bytes , $bytes );
}
return fread ( $this -> getid3 -> fp , $bytes );
}
protected function fseek ( $bytes , $whence = SEEK_SET ) {
if ( $this -> data_string_flag ) {
switch ( $whence ) {
case SEEK_SET :
$this -> data_string_position = $bytes ;
return ;
case SEEK_CUR :
$this -> data_string_position += $bytes ;
return ;
case SEEK_END :
$this -> data_string_position = strlen ( $this -> data_string ) + $bytes ;
return ;
}
}
return fseek ( $this -> getid3 -> fp , $bytes , $whence );
}
}
class getid3_exception extends Exception
{
public $message ;
2011-07-22 04:30:52 +00:00
}
?>