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1 <?php |
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2 ///////////////////////////////////////////////////////////////// |
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3 /// getID3() by James Heinrich <info@getid3.org> // |
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4 // available at http://getid3.sourceforge.net // |
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5 // or http://www.getid3.org // |
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6 ///////////////////////////////////////////////////////////////// |
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7 // // |
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8 // Please see readme.txt for more information // |
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9 // /// |
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10 ///////////////////////////////////////////////////////////////// |
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11 |
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12 // define a constant rather than looking up every time it is needed |
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13 if (!defined('GETID3_OS_ISWINDOWS')) { |
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14 define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0)); |
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15 } |
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16 // Get base path of getID3() - ONCE |
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17 if (!defined('GETID3_INCLUDEPATH')) { |
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18 define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR); |
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19 } |
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20 |
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21 // attempt to define temp dir as something flexible but reliable |
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22 $temp_dir = ini_get('upload_tmp_dir'); |
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23 if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) { |
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24 $temp_dir = ''; |
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25 } |
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26 if (!$temp_dir && function_exists('sys_get_temp_dir')) { |
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27 // PHP v5.2.1+ |
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28 // sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts |
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29 $temp_dir = sys_get_temp_dir(); |
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30 } |
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31 $temp_dir = realpath($temp_dir); |
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32 $open_basedir = ini_get('open_basedir'); |
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33 if ($open_basedir) { |
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34 // e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/" |
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35 $temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir); |
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36 $open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir); |
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37 if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) { |
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38 $temp_dir .= DIRECTORY_SEPARATOR; |
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39 } |
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40 $found_valid_tempdir = false; |
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41 $open_basedirs = explode(PATH_SEPARATOR, $open_basedir); |
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42 foreach ($open_basedirs as $basedir) { |
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43 if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) { |
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44 $basedir .= DIRECTORY_SEPARATOR; |
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45 } |
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46 if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) { |
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47 $found_valid_tempdir = true; |
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48 break; |
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49 } |
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50 } |
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51 if (!$found_valid_tempdir) { |
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52 $temp_dir = ''; |
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53 } |
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54 unset($open_basedirs, $found_valid_tempdir, $basedir); |
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55 } |
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56 if (!$temp_dir) { |
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57 $temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir |
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58 } |
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59 // $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system |
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60 define('GETID3_TEMP_DIR', $temp_dir); |
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61 unset($open_basedir, $temp_dir); |
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62 |
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63 // End: Defines |
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64 |
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65 |
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66 class getID3 |
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67 { |
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68 // public: Settings |
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69 public $encoding = 'UTF-8'; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE |
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70 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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71 |
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72 // public: Optional tag checks - disable for speed. |
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73 public $option_tag_id3v1 = true; // Read and process ID3v1 tags |
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74 public $option_tag_id3v2 = true; // Read and process ID3v2 tags |
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75 public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags |
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76 public $option_tag_apetag = true; // Read and process APE tags |
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77 public $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding |
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78 public $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities |
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79 |
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80 // public: Optional tag/comment calucations |
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81 public $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc |
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82 |
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83 // public: Optional handling of embedded attachments (e.g. images) |
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84 public $option_save_attachments = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility |
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85 |
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86 // public: Optional calculations |
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87 public $option_md5_data = false; // Get MD5 sum of data part - slow |
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88 public $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG |
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89 public $option_sha1_data = false; // Get SHA1 sum of data part - slow |
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90 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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91 |
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92 // public: Read buffer size in bytes |
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93 public $option_fread_buffer_size = 32768; |
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94 |
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95 // Public variables |
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96 public $filename; // Filename of file being analysed. |
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97 public $fp; // Filepointer to file being analysed. |
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98 public $info; // Result array. |
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99 public $tempdir = GETID3_TEMP_DIR; |
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100 |
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101 // Protected variables |
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102 protected $startup_error = ''; |
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103 protected $startup_warning = ''; |
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104 protected $memory_limit = 0; |
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105 |
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106 const VERSION = '1.9.7-20130705'; |
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107 const FREAD_BUFFER_SIZE = 32768; |
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108 |
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109 const ATTACHMENTS_NONE = false; |
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110 const ATTACHMENTS_INLINE = true; |
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111 |
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112 // public: constructor |
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113 public function __construct() { |
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114 |
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115 // Check for PHP version |
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116 $required_php_version = '5.0.5'; |
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117 if (version_compare(PHP_VERSION, $required_php_version, '<')) { |
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118 $this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION; |
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119 return false; |
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120 } |
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121 |
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122 // Check memory |
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123 $this->memory_limit = ini_get('memory_limit'); |
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124 if (preg_match('#([0-9]+)M#i', $this->memory_limit, $matches)) { |
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125 // could be stored as "16M" rather than 16777216 for example |
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126 $this->memory_limit = $matches[1] * 1048576; |
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127 } elseif (preg_match('#([0-9]+)G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0 |
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128 // could be stored as "2G" rather than 2147483648 for example |
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129 $this->memory_limit = $matches[1] * 1073741824; |
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130 } |
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131 if ($this->memory_limit <= 0) { |
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132 // memory limits probably disabled |
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133 } elseif ($this->memory_limit <= 4194304) { |
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134 $this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'; |
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135 } elseif ($this->memory_limit <= 12582912) { |
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136 $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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137 } |
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138 |
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139 // Check safe_mode off |
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140 if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
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141 $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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142 } |
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143 |
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144 if (intval(ini_get('mbstring.func_overload')) > 0) { |
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145 $this->warning('WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", this may break things.'); |
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146 } |
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147 |
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148 // Check for magic_quotes_runtime |
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149 if (function_exists('get_magic_quotes_runtime')) { |
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150 if (get_magic_quotes_runtime()) { |
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151 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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152 } |
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153 } |
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154 |
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155 // Check for magic_quotes_gpc |
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156 if (function_exists('magic_quotes_gpc')) { |
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157 if (get_magic_quotes_gpc()) { |
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158 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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159 } |
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160 } |
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161 |
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162 // Load support library |
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163 if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) { |
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164 $this->startup_error .= 'getid3.lib.php is missing or corrupt'; |
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165 } |
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166 |
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167 if ($this->option_max_2gb_check === null) { |
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168 $this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647); |
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169 } |
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170 |
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171 |
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172 // Needed for Windows only: |
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173 // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC |
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174 // as well as other helper functions such as head, tail, md5sum, etc |
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175 // This path cannot contain spaces, but the below code will attempt to get the |
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176 // 8.3-equivalent path automatically |
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177 // IMPORTANT: This path must include the trailing slash |
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178 if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { |
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179 |
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180 $helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path |
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181 |
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182 if (!is_dir($helperappsdir)) { |
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183 $this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'; |
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184 } elseif (strpos(realpath($helperappsdir), ' ') !== false) { |
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185 $DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir)); |
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186 $path_so_far = array(); |
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187 foreach ($DirPieces as $key => $value) { |
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188 if (strpos($value, ' ') !== false) { |
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189 if (!empty($path_so_far)) { |
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190 $commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far)); |
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191 $dir_listing = `$commandline`; |
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192 $lines = explode("\n", $dir_listing); |
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193 foreach ($lines as $line) { |
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194 $line = trim($line); |
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195 if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) { |
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196 list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches; |
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197 if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) { |
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198 $value = $shortname; |
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199 } |
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200 } |
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201 } |
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202 } else { |
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203 $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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204 } |
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205 } |
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206 $path_so_far[] = $value; |
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207 } |
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208 $helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far); |
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209 } |
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210 define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR); |
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211 } |
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212 |
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213 return true; |
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214 } |
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215 |
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216 public function version() { |
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217 return self::VERSION; |
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218 } |
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219 |
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220 public function fread_buffer_size() { |
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221 return $this->option_fread_buffer_size; |
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222 } |
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223 |
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224 |
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225 // public: setOption |
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226 public function setOption($optArray) { |
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227 if (!is_array($optArray) || empty($optArray)) { |
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228 return false; |
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229 } |
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230 foreach ($optArray as $opt => $val) { |
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231 if (isset($this->$opt) === false) { |
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232 continue; |
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233 } |
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234 $this->$opt = $val; |
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235 } |
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236 return true; |
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237 } |
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238 |
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239 |
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240 public function openfile($filename) { |
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241 try { |
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242 if (!empty($this->startup_error)) { |
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243 throw new getid3_exception($this->startup_error); |
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244 } |
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245 if (!empty($this->startup_warning)) { |
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246 $this->warning($this->startup_warning); |
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247 } |
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248 |
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249 // init result array and set parameters |
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250 $this->filename = $filename; |
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251 $this->info = array(); |
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252 $this->info['GETID3_VERSION'] = $this->version(); |
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253 $this->info['php_memory_limit'] = $this->memory_limit; |
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254 |
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255 // remote files not supported |
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256 if (preg_match('/^(ht|f)tp:\/\//', $filename)) { |
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257 throw new getid3_exception('Remote files are not supported - please copy the file locally first'); |
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258 } |
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259 |
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260 $filename = str_replace('/', DIRECTORY_SEPARATOR, $filename); |
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261 $filename = preg_replace('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename); |
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262 |
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263 // open local file |
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264 if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { |
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265 // great |
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266 } else { |
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267 throw new getid3_exception('Could not open "'.$filename.'" (does not exist, or is not a file)'); |
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268 } |
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269 |
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270 $this->info['filesize'] = filesize($filename); |
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271 // set redundant parameters - might be needed in some include file |
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272 $this->info['filename'] = basename($filename); |
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273 $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); |
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274 $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; |
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275 |
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276 |
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277 // option_max_2gb_check |
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278 if ($this->option_max_2gb_check) { |
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279 // PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB) |
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280 // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize |
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281 // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer |
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282 $fseek = fseek($this->fp, 0, SEEK_END); |
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283 if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) || |
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284 ($this->info['filesize'] < 0) || |
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285 (ftell($this->fp) < 0)) { |
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286 $real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); |
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287 |
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288 if ($real_filesize === false) { |
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289 unset($this->info['filesize']); |
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290 fclose($this->fp); |
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291 throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.'); |
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292 } elseif (getid3_lib::intValueSupported($real_filesize)) { |
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293 unset($this->info['filesize']); |
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294 fclose($this->fp); |
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295 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'); |
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296 } |
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297 $this->info['filesize'] = $real_filesize; |
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298 $this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.'); |
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299 } |
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300 } |
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301 |
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302 // set more parameters |
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303 $this->info['avdataoffset'] = 0; |
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304 $this->info['avdataend'] = $this->info['filesize']; |
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305 $this->info['fileformat'] = ''; // filled in later |
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306 $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used |
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307 $this->info['video']['dataformat'] = ''; // filled in later, unset if not used |
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308 $this->info['tags'] = array(); // filled in later, unset if not used |
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309 $this->info['error'] = array(); // filled in later, unset if not used |
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310 $this->info['warning'] = array(); // filled in later, unset if not used |
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311 $this->info['comments'] = array(); // filled in later, unset if not used |
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312 $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired |
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313 |
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314 return true; |
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315 |
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316 } catch (Exception $e) { |
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317 $this->error($e->getMessage()); |
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318 } |
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319 return false; |
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320 } |
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321 |
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322 // public: analyze file |
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323 public function analyze($filename) { |
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324 try { |
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325 if (!$this->openfile($filename)) { |
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326 return $this->info; |
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327 } |
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328 |
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329 // Handle tags |
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330 foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
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331 $option_tag = 'option_tag_'.$tag_name; |
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332 if ($this->$option_tag) { |
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333 $this->include_module('tag.'.$tag_name); |
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334 try { |
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335 $tag_class = 'getid3_'.$tag_name; |
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336 $tag = new $tag_class($this); |
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337 $tag->Analyze(); |
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338 } |
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339 catch (getid3_exception $e) { |
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340 throw $e; |
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341 } |
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342 } |
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343 } |
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344 if (isset($this->info['id3v2']['tag_offset_start'])) { |
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345 $this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']); |
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346 } |
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347 foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
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348 if (isset($this->info[$tag_key]['tag_offset_start'])) { |
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349 $this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']); |
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350 } |
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351 } |
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352 |
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353 // ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier |
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354 if (!$this->option_tag_id3v2) { |
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355 fseek($this->fp, 0, SEEK_SET); |
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356 $header = fread($this->fp, 10); |
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357 if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) { |
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358 $this->info['id3v2']['header'] = true; |
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359 $this->info['id3v2']['majorversion'] = ord($header{3}); |
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360 $this->info['id3v2']['minorversion'] = ord($header{4}); |
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361 $this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length |
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362 } |
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363 } |
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364 |
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365 // read 32 kb file data |
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366 fseek($this->fp, $this->info['avdataoffset'], SEEK_SET); |
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367 $formattest = fread($this->fp, 32774); |
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368 |
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369 // determine format |
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370 $determined_format = $this->GetFileFormat($formattest, $filename); |
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371 |
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372 // unable to determine file format |
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373 if (!$determined_format) { |
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374 fclose($this->fp); |
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375 return $this->error('unable to determine file format'); |
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376 } |
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377 |
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378 // check for illegal ID3 tags |
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379 if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { |
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380 if ($determined_format['fail_id3'] === 'ERROR') { |
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381 fclose($this->fp); |
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382 return $this->error('ID3 tags not allowed on this file type.'); |
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383 } elseif ($determined_format['fail_id3'] === 'WARNING') { |
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384 $this->warning('ID3 tags not allowed on this file type.'); |
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385 } |
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386 } |
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387 |
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388 // check for illegal APE tags |
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389 if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { |
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390 if ($determined_format['fail_ape'] === 'ERROR') { |
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391 fclose($this->fp); |
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392 return $this->error('APE tags not allowed on this file type.'); |
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393 } elseif ($determined_format['fail_ape'] === 'WARNING') { |
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394 $this->warning('APE tags not allowed on this file type.'); |
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395 } |
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396 } |
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397 |
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398 // set mime type |
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399 $this->info['mime_type'] = $determined_format['mime_type']; |
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400 |
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401 // supported format signature pattern detected, but module deleted |
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402 if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { |
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403 fclose($this->fp); |
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404 return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.'); |
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405 } |
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406 |
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407 // module requires iconv support |
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408 // Check encoding/iconv support |
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409 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'))) { |
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410 $errormessage = 'iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; |
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411 if (GETID3_OS_ISWINDOWS) { |
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412 $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'; |
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413 } else { |
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414 $errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch'; |
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415 } |
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416 return $this->error($errormessage); |
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417 } |
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418 |
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419 // include module |
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420 include_once(GETID3_INCLUDEPATH.$determined_format['include']); |
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421 |
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422 // instantiate module class |
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423 $class_name = 'getid3_'.$determined_format['module']; |
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424 if (!class_exists($class_name)) { |
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425 return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.'); |
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426 } |
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427 $class = new $class_name($this); |
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428 $class->Analyze(); |
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429 unset($class); |
|
430 |
|
431 // close file |
|
432 fclose($this->fp); |
|
433 |
|
434 // process all tags - copy to 'tags' and convert charsets |
|
435 if ($this->option_tags_process) { |
|
436 $this->HandleAllTags(); |
|
437 } |
|
438 |
|
439 // perform more calculations |
|
440 if ($this->option_extra_info) { |
|
441 $this->ChannelsBitratePlaytimeCalculations(); |
|
442 $this->CalculateCompressionRatioVideo(); |
|
443 $this->CalculateCompressionRatioAudio(); |
|
444 $this->CalculateReplayGain(); |
|
445 $this->ProcessAudioStreams(); |
|
446 } |
|
447 |
|
448 // get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
|
449 if ($this->option_md5_data) { |
|
450 // do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too |
|
451 if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { |
|
452 $this->getHashdata('md5'); |
|
453 } |
|
454 } |
|
455 |
|
456 // get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
|
457 if ($this->option_sha1_data) { |
|
458 $this->getHashdata('sha1'); |
|
459 } |
|
460 |
|
461 // remove undesired keys |
|
462 $this->CleanUp(); |
|
463 |
|
464 } catch (Exception $e) { |
|
465 $this->error('Caught exception: '.$e->getMessage()); |
|
466 } |
|
467 |
|
468 // return info array |
|
469 return $this->info; |
|
470 } |
|
471 |
|
472 |
|
473 // private: error handling |
|
474 public function error($message) { |
|
475 $this->CleanUp(); |
|
476 if (!isset($this->info['error'])) { |
|
477 $this->info['error'] = array(); |
|
478 } |
|
479 $this->info['error'][] = $message; |
|
480 return $this->info; |
|
481 } |
|
482 |
|
483 |
|
484 // private: warning handling |
|
485 public function warning($message) { |
|
486 $this->info['warning'][] = $message; |
|
487 return true; |
|
488 } |
|
489 |
|
490 |
|
491 // private: CleanUp |
|
492 private function CleanUp() { |
|
493 |
|
494 // remove possible empty keys |
|
495 $AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate'); |
|
496 foreach ($AVpossibleEmptyKeys as $dummy => $key) { |
|
497 if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { |
|
498 unset($this->info['audio'][$key]); |
|
499 } |
|
500 if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { |
|
501 unset($this->info['video'][$key]); |
|
502 } |
|
503 } |
|
504 |
|
505 // remove empty root keys |
|
506 if (!empty($this->info)) { |
|
507 foreach ($this->info as $key => $value) { |
|
508 if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { |
|
509 unset($this->info[$key]); |
|
510 } |
|
511 } |
|
512 } |
|
513 |
|
514 // remove meaningless entries from unknown-format files |
|
515 if (empty($this->info['fileformat'])) { |
|
516 if (isset($this->info['avdataoffset'])) { |
|
517 unset($this->info['avdataoffset']); |
|
518 } |
|
519 if (isset($this->info['avdataend'])) { |
|
520 unset($this->info['avdataend']); |
|
521 } |
|
522 } |
|
523 |
|
524 // remove possible duplicated identical entries |
|
525 if (!empty($this->info['error'])) { |
|
526 $this->info['error'] = array_values(array_unique($this->info['error'])); |
|
527 } |
|
528 if (!empty($this->info['warning'])) { |
|
529 $this->info['warning'] = array_values(array_unique($this->info['warning'])); |
|
530 } |
|
531 |
|
532 // remove "global variable" type keys |
|
533 unset($this->info['php_memory_limit']); |
|
534 |
|
535 return true; |
|
536 } |
|
537 |
|
538 |
|
539 // return array containing information about all supported formats |
|
540 public function GetFileFormatArray() { |
|
541 static $format_info = array(); |
|
542 if (empty($format_info)) { |
|
543 $format_info = array( |
|
544 |
|
545 // Audio formats |
|
546 |
|
547 // AC-3 - audio - Dolby AC-3 / Dolby Digital |
|
548 'ac3' => array( |
|
549 'pattern' => '^\x0B\x77', |
|
550 'group' => 'audio', |
|
551 'module' => 'ac3', |
|
552 'mime_type' => 'audio/ac3', |
|
553 ), |
|
554 |
|
555 // AAC - audio - Advanced Audio Coding (AAC) - ADIF format |
|
556 'adif' => array( |
|
557 'pattern' => '^ADIF', |
|
558 'group' => 'audio', |
|
559 'module' => 'aac', |
|
560 'mime_type' => 'application/octet-stream', |
|
561 'fail_ape' => 'WARNING', |
|
562 ), |
|
563 |
|
564 /* |
|
565 // AA - audio - Audible Audiobook |
|
566 'aa' => array( |
|
567 'pattern' => '^.{4}\x57\x90\x75\x36', |
|
568 'group' => 'audio', |
|
569 'module' => 'aa', |
|
570 'mime_type' => 'audio/audible', |
|
571 ), |
|
572 */ |
|
573 // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) |
|
574 'adts' => array( |
|
575 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]', |
|
576 'group' => 'audio', |
|
577 'module' => 'aac', |
|
578 'mime_type' => 'application/octet-stream', |
|
579 'fail_ape' => 'WARNING', |
|
580 ), |
|
581 |
|
582 |
|
583 // AU - audio - NeXT/Sun AUdio (AU) |
|
584 'au' => array( |
|
585 'pattern' => '^\.snd', |
|
586 'group' => 'audio', |
|
587 'module' => 'au', |
|
588 'mime_type' => 'audio/basic', |
|
589 ), |
|
590 |
|
591 // AVR - audio - Audio Visual Research |
|
592 'avr' => array( |
|
593 'pattern' => '^2BIT', |
|
594 'group' => 'audio', |
|
595 'module' => 'avr', |
|
596 'mime_type' => 'application/octet-stream', |
|
597 ), |
|
598 |
|
599 // BONK - audio - Bonk v0.9+ |
|
600 'bonk' => array( |
|
601 'pattern' => '^\x00(BONK|INFO|META| ID3)', |
|
602 'group' => 'audio', |
|
603 'module' => 'bonk', |
|
604 'mime_type' => 'audio/xmms-bonk', |
|
605 ), |
|
606 |
|
607 // DSS - audio - Digital Speech Standard |
|
608 'dss' => array( |
|
609 'pattern' => '^[\x02-\x03]ds[s2]', |
|
610 'group' => 'audio', |
|
611 'module' => 'dss', |
|
612 'mime_type' => 'application/octet-stream', |
|
613 ), |
|
614 |
|
615 // DTS - audio - Dolby Theatre System |
|
616 'dts' => array( |
|
617 'pattern' => '^\x7F\xFE\x80\x01', |
|
618 'group' => 'audio', |
|
619 'module' => 'dts', |
|
620 'mime_type' => 'audio/dts', |
|
621 ), |
|
622 |
|
623 // FLAC - audio - Free Lossless Audio Codec |
|
624 'flac' => array( |
|
625 'pattern' => '^fLaC', |
|
626 'group' => 'audio', |
|
627 'module' => 'flac', |
|
628 'mime_type' => 'audio/x-flac', |
|
629 ), |
|
630 |
|
631 // LA - audio - Lossless Audio (LA) |
|
632 'la' => array( |
|
633 'pattern' => '^LA0[2-4]', |
|
634 'group' => 'audio', |
|
635 'module' => 'la', |
|
636 'mime_type' => 'application/octet-stream', |
|
637 ), |
|
638 |
|
639 // LPAC - audio - Lossless Predictive Audio Compression (LPAC) |
|
640 'lpac' => array( |
|
641 'pattern' => '^LPAC', |
|
642 'group' => 'audio', |
|
643 'module' => 'lpac', |
|
644 'mime_type' => 'application/octet-stream', |
|
645 ), |
|
646 |
|
647 // MIDI - audio - MIDI (Musical Instrument Digital Interface) |
|
648 'midi' => array( |
|
649 'pattern' => '^MThd', |
|
650 'group' => 'audio', |
|
651 'module' => 'midi', |
|
652 'mime_type' => 'audio/midi', |
|
653 ), |
|
654 |
|
655 // MAC - audio - Monkey's Audio Compressor |
|
656 'mac' => array( |
|
657 'pattern' => '^MAC ', |
|
658 'group' => 'audio', |
|
659 'module' => 'monkey', |
|
660 'mime_type' => 'application/octet-stream', |
|
661 ), |
|
662 |
|
663 // has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available |
|
664 // // MOD - audio - MODule (assorted sub-formats) |
|
665 // 'mod' => array( |
|
666 // 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)', |
|
667 // 'group' => 'audio', |
|
668 // 'module' => 'mod', |
|
669 // 'option' => 'mod', |
|
670 // 'mime_type' => 'audio/mod', |
|
671 // ), |
|
672 |
|
673 // MOD - audio - MODule (Impulse Tracker) |
|
674 'it' => array( |
|
675 'pattern' => '^IMPM', |
|
676 'group' => 'audio', |
|
677 'module' => 'mod', |
|
678 //'option' => 'it', |
|
679 'mime_type' => 'audio/it', |
|
680 ), |
|
681 |
|
682 // MOD - audio - MODule (eXtended Module, various sub-formats) |
|
683 'xm' => array( |
|
684 'pattern' => '^Extended Module', |
|
685 'group' => 'audio', |
|
686 'module' => 'mod', |
|
687 //'option' => 'xm', |
|
688 'mime_type' => 'audio/xm', |
|
689 ), |
|
690 |
|
691 // MOD - audio - MODule (ScreamTracker) |
|
692 's3m' => array( |
|
693 'pattern' => '^.{44}SCRM', |
|
694 'group' => 'audio', |
|
695 'module' => 'mod', |
|
696 //'option' => 's3m', |
|
697 'mime_type' => 'audio/s3m', |
|
698 ), |
|
699 |
|
700 // MPC - audio - Musepack / MPEGplus |
|
701 'mpc' => array( |
|
702 '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])', |
|
703 'group' => 'audio', |
|
704 'module' => 'mpc', |
|
705 'mime_type' => 'audio/x-musepack', |
|
706 ), |
|
707 |
|
708 // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) |
|
709 'mp3' => array( |
|
710 '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]', |
|
711 'group' => 'audio', |
|
712 'module' => 'mp3', |
|
713 'mime_type' => 'audio/mpeg', |
|
714 ), |
|
715 |
|
716 // OFR - audio - OptimFROG |
|
717 'ofr' => array( |
|
718 'pattern' => '^(\*RIFF|OFR)', |
|
719 'group' => 'audio', |
|
720 'module' => 'optimfrog', |
|
721 'mime_type' => 'application/octet-stream', |
|
722 ), |
|
723 |
|
724 // RKAU - audio - RKive AUdio compressor |
|
725 'rkau' => array( |
|
726 'pattern' => '^RKA', |
|
727 'group' => 'audio', |
|
728 'module' => 'rkau', |
|
729 'mime_type' => 'application/octet-stream', |
|
730 ), |
|
731 |
|
732 // SHN - audio - Shorten |
|
733 'shn' => array( |
|
734 'pattern' => '^ajkg', |
|
735 'group' => 'audio', |
|
736 'module' => 'shorten', |
|
737 'mime_type' => 'audio/xmms-shn', |
|
738 'fail_id3' => 'ERROR', |
|
739 'fail_ape' => 'ERROR', |
|
740 ), |
|
741 |
|
742 // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) |
|
743 'tta' => array( |
|
744 'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)' |
|
745 'group' => 'audio', |
|
746 'module' => 'tta', |
|
747 'mime_type' => 'application/octet-stream', |
|
748 ), |
|
749 |
|
750 // VOC - audio - Creative Voice (VOC) |
|
751 'voc' => array( |
|
752 'pattern' => '^Creative Voice File', |
|
753 'group' => 'audio', |
|
754 'module' => 'voc', |
|
755 'mime_type' => 'audio/voc', |
|
756 ), |
|
757 |
|
758 // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) |
|
759 'vqf' => array( |
|
760 'pattern' => '^TWIN', |
|
761 'group' => 'audio', |
|
762 'module' => 'vqf', |
|
763 'mime_type' => 'application/octet-stream', |
|
764 ), |
|
765 |
|
766 // WV - audio - WavPack (v4.0+) |
|
767 'wv' => array( |
|
768 'pattern' => '^wvpk', |
|
769 'group' => 'audio', |
|
770 'module' => 'wavpack', |
|
771 'mime_type' => 'application/octet-stream', |
|
772 ), |
|
773 |
|
774 |
|
775 // Audio-Video formats |
|
776 |
|
777 // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio |
|
778 'asf' => array( |
|
779 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C', |
|
780 'group' => 'audio-video', |
|
781 'module' => 'asf', |
|
782 'mime_type' => 'video/x-ms-asf', |
|
783 'iconv_req' => false, |
|
784 ), |
|
785 |
|
786 // BINK - audio/video - Bink / Smacker |
|
787 'bink' => array( |
|
788 'pattern' => '^(BIK|SMK)', |
|
789 'group' => 'audio-video', |
|
790 'module' => 'bink', |
|
791 'mime_type' => 'application/octet-stream', |
|
792 ), |
|
793 |
|
794 // FLV - audio/video - FLash Video |
|
795 'flv' => array( |
|
796 'pattern' => '^FLV\x01', |
|
797 'group' => 'audio-video', |
|
798 'module' => 'flv', |
|
799 'mime_type' => 'video/x-flv', |
|
800 ), |
|
801 |
|
802 // MKAV - audio/video - Mastroka |
|
803 'matroska' => array( |
|
804 'pattern' => '^\x1A\x45\xDF\xA3', |
|
805 'group' => 'audio-video', |
|
806 'module' => 'matroska', |
|
807 'mime_type' => 'video/x-matroska', // may also be audio/x-matroska |
|
808 ), |
|
809 |
|
810 // MPEG - audio/video - MPEG (Moving Pictures Experts Group) |
|
811 'mpeg' => array( |
|
812 'pattern' => '^\x00\x00\x01(\xBA|\xB3)', |
|
813 'group' => 'audio-video', |
|
814 'module' => 'mpeg', |
|
815 'mime_type' => 'video/mpeg', |
|
816 ), |
|
817 |
|
818 // NSV - audio/video - Nullsoft Streaming Video (NSV) |
|
819 'nsv' => array( |
|
820 'pattern' => '^NSV[sf]', |
|
821 'group' => 'audio-video', |
|
822 'module' => 'nsv', |
|
823 'mime_type' => 'application/octet-stream', |
|
824 ), |
|
825 |
|
826 // Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*)) |
|
827 'ogg' => array( |
|
828 'pattern' => '^OggS', |
|
829 'group' => 'audio', |
|
830 'module' => 'ogg', |
|
831 'mime_type' => 'application/ogg', |
|
832 'fail_id3' => 'WARNING', |
|
833 'fail_ape' => 'WARNING', |
|
834 ), |
|
835 |
|
836 // QT - audio/video - Quicktime |
|
837 'quicktime' => array( |
|
838 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)', |
|
839 'group' => 'audio-video', |
|
840 'module' => 'quicktime', |
|
841 'mime_type' => 'video/quicktime', |
|
842 ), |
|
843 |
|
844 // 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) |
|
845 'riff' => array( |
|
846 'pattern' => '^(RIFF|SDSS|FORM)', |
|
847 'group' => 'audio-video', |
|
848 'module' => 'riff', |
|
849 'mime_type' => 'audio/x-wave', |
|
850 'fail_ape' => 'WARNING', |
|
851 ), |
|
852 |
|
853 // Real - audio/video - RealAudio, RealVideo |
|
854 'real' => array( |
|
855 'pattern' => '^(\\.RMF|\\.ra)', |
|
856 'group' => 'audio-video', |
|
857 'module' => 'real', |
|
858 'mime_type' => 'audio/x-realaudio', |
|
859 ), |
|
860 |
|
861 // SWF - audio/video - ShockWave Flash |
|
862 'swf' => array( |
|
863 'pattern' => '^(F|C)WS', |
|
864 'group' => 'audio-video', |
|
865 'module' => 'swf', |
|
866 'mime_type' => 'application/x-shockwave-flash', |
|
867 ), |
|
868 |
|
869 // TS - audio/video - MPEG-2 Transport Stream |
|
870 'ts' => array( |
|
871 'pattern' => '^(\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G". Check for at least 10 packets matching this pattern |
|
872 'group' => 'audio-video', |
|
873 'module' => 'ts', |
|
874 'mime_type' => 'video/MP2T', |
|
875 ), |
|
876 |
|
877 |
|
878 // Still-Image formats |
|
879 |
|
880 // BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4) |
|
881 'bmp' => array( |
|
882 'pattern' => '^BM', |
|
883 'group' => 'graphic', |
|
884 'module' => 'bmp', |
|
885 'mime_type' => 'image/bmp', |
|
886 'fail_id3' => 'ERROR', |
|
887 'fail_ape' => 'ERROR', |
|
888 ), |
|
889 |
|
890 // GIF - still image - Graphics Interchange Format |
|
891 'gif' => array( |
|
892 'pattern' => '^GIF', |
|
893 'group' => 'graphic', |
|
894 'module' => 'gif', |
|
895 'mime_type' => 'image/gif', |
|
896 'fail_id3' => 'ERROR', |
|
897 'fail_ape' => 'ERROR', |
|
898 ), |
|
899 |
|
900 // JPEG - still image - Joint Photographic Experts Group (JPEG) |
|
901 'jpg' => array( |
|
902 'pattern' => '^\xFF\xD8\xFF', |
|
903 'group' => 'graphic', |
|
904 'module' => 'jpg', |
|
905 'mime_type' => 'image/jpeg', |
|
906 'fail_id3' => 'ERROR', |
|
907 'fail_ape' => 'ERROR', |
|
908 ), |
|
909 |
|
910 // PCD - still image - Kodak Photo CD |
|
911 'pcd' => array( |
|
912 'pattern' => '^.{2048}PCD_IPI\x00', |
|
913 'group' => 'graphic', |
|
914 'module' => 'pcd', |
|
915 'mime_type' => 'image/x-photo-cd', |
|
916 'fail_id3' => 'ERROR', |
|
917 'fail_ape' => 'ERROR', |
|
918 ), |
|
919 |
|
920 |
|
921 // PNG - still image - Portable Network Graphics (PNG) |
|
922 'png' => array( |
|
923 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A', |
|
924 'group' => 'graphic', |
|
925 'module' => 'png', |
|
926 'mime_type' => 'image/png', |
|
927 'fail_id3' => 'ERROR', |
|
928 'fail_ape' => 'ERROR', |
|
929 ), |
|
930 |
|
931 |
|
932 // SVG - still image - Scalable Vector Graphics (SVG) |
|
933 'svg' => array( |
|
934 'pattern' => '(<!DOCTYPE svg PUBLIC |xmlns="http:\/\/www\.w3\.org\/2000\/svg")', |
|
935 'group' => 'graphic', |
|
936 'module' => 'svg', |
|
937 'mime_type' => 'image/svg+xml', |
|
938 'fail_id3' => 'ERROR', |
|
939 'fail_ape' => 'ERROR', |
|
940 ), |
|
941 |
|
942 |
|
943 // TIFF - still image - Tagged Information File Format (TIFF) |
|
944 'tiff' => array( |
|
945 'pattern' => '^(II\x2A\x00|MM\x00\x2A)', |
|
946 'group' => 'graphic', |
|
947 'module' => 'tiff', |
|
948 'mime_type' => 'image/tiff', |
|
949 'fail_id3' => 'ERROR', |
|
950 'fail_ape' => 'ERROR', |
|
951 ), |
|
952 |
|
953 |
|
954 // EFAX - still image - eFax (TIFF derivative) |
|
955 'efax' => array( |
|
956 'pattern' => '^\xDC\xFE', |
|
957 'group' => 'graphic', |
|
958 'module' => 'efax', |
|
959 'mime_type' => 'image/efax', |
|
960 'fail_id3' => 'ERROR', |
|
961 'fail_ape' => 'ERROR', |
|
962 ), |
|
963 |
|
964 |
|
965 // Data formats |
|
966 |
|
967 // ISO - data - International Standards Organization (ISO) CD-ROM Image |
|
968 'iso' => array( |
|
969 'pattern' => '^.{32769}CD001', |
|
970 'group' => 'misc', |
|
971 'module' => 'iso', |
|
972 'mime_type' => 'application/octet-stream', |
|
973 'fail_id3' => 'ERROR', |
|
974 'fail_ape' => 'ERROR', |
|
975 'iconv_req' => false, |
|
976 ), |
|
977 |
|
978 // RAR - data - RAR compressed data |
|
979 'rar' => array( |
|
980 'pattern' => '^Rar\!', |
|
981 'group' => 'archive', |
|
982 'module' => 'rar', |
|
983 'mime_type' => 'application/octet-stream', |
|
984 'fail_id3' => 'ERROR', |
|
985 'fail_ape' => 'ERROR', |
|
986 ), |
|
987 |
|
988 // SZIP - audio/data - SZIP compressed data |
|
989 'szip' => array( |
|
990 'pattern' => '^SZ\x0A\x04', |
|
991 'group' => 'archive', |
|
992 'module' => 'szip', |
|
993 'mime_type' => 'application/octet-stream', |
|
994 'fail_id3' => 'ERROR', |
|
995 'fail_ape' => 'ERROR', |
|
996 ), |
|
997 |
|
998 // TAR - data - TAR compressed data |
|
999 'tar' => array( |
|
1000 '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}', |
|
1001 'group' => 'archive', |
|
1002 'module' => 'tar', |
|
1003 'mime_type' => 'application/x-tar', |
|
1004 'fail_id3' => 'ERROR', |
|
1005 'fail_ape' => 'ERROR', |
|
1006 ), |
|
1007 |
|
1008 // GZIP - data - GZIP compressed data |
|
1009 'gz' => array( |
|
1010 'pattern' => '^\x1F\x8B\x08', |
|
1011 'group' => 'archive', |
|
1012 'module' => 'gzip', |
|
1013 'mime_type' => 'application/x-gzip', |
|
1014 'fail_id3' => 'ERROR', |
|
1015 'fail_ape' => 'ERROR', |
|
1016 ), |
|
1017 |
|
1018 // ZIP - data - ZIP compressed data |
|
1019 'zip' => array( |
|
1020 'pattern' => '^PK\x03\x04', |
|
1021 'group' => 'archive', |
|
1022 'module' => 'zip', |
|
1023 'mime_type' => 'application/zip', |
|
1024 'fail_id3' => 'ERROR', |
|
1025 'fail_ape' => 'ERROR', |
|
1026 ), |
|
1027 |
|
1028 |
|
1029 // Misc other formats |
|
1030 |
|
1031 // PAR2 - data - Parity Volume Set Specification 2.0 |
|
1032 'par2' => array ( |
|
1033 'pattern' => '^PAR2\x00PKT', |
|
1034 'group' => 'misc', |
|
1035 'module' => 'par2', |
|
1036 'mime_type' => 'application/octet-stream', |
|
1037 'fail_id3' => 'ERROR', |
|
1038 'fail_ape' => 'ERROR', |
|
1039 ), |
|
1040 |
|
1041 // PDF - data - Portable Document Format |
|
1042 'pdf' => array( |
|
1043 'pattern' => '^\x25PDF', |
|
1044 'group' => 'misc', |
|
1045 'module' => 'pdf', |
|
1046 'mime_type' => 'application/pdf', |
|
1047 'fail_id3' => 'ERROR', |
|
1048 'fail_ape' => 'ERROR', |
|
1049 ), |
|
1050 |
|
1051 // MSOFFICE - data - ZIP compressed data |
|
1052 'msoffice' => array( |
|
1053 'pattern' => '^\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1', // D0CF11E == DOCFILE == Microsoft Office Document |
|
1054 'group' => 'misc', |
|
1055 'module' => 'msoffice', |
|
1056 'mime_type' => 'application/octet-stream', |
|
1057 'fail_id3' => 'ERROR', |
|
1058 'fail_ape' => 'ERROR', |
|
1059 ), |
|
1060 |
|
1061 // CUE - data - CUEsheet (index to single-file disc images) |
|
1062 'cue' => array( |
|
1063 'pattern' => '', // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents |
|
1064 'group' => 'misc', |
|
1065 'module' => 'cue', |
|
1066 'mime_type' => 'application/octet-stream', |
|
1067 ), |
|
1068 |
|
1069 ); |
|
1070 } |
|
1071 |
|
1072 return $format_info; |
|
1073 } |
|
1074 |
|
1075 |
|
1076 |
|
1077 public function GetFileFormat(&$filedata, $filename='') { |
|
1078 // this function will determine the format of a file based on usually |
|
1079 // the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG, |
|
1080 // and in the case of ISO CD image, 6 bytes offset 32kb from the start |
|
1081 // of the file). |
|
1082 |
|
1083 // Identify file format - loop through $format_info and detect with reg expr |
|
1084 foreach ($this->GetFileFormatArray() as $format_name => $info) { |
|
1085 // The /s switch on preg_match() forces preg_match() NOT to treat |
|
1086 // newline (0x0A) characters as special chars but do a binary match |
|
1087 if (!empty($info['pattern']) && preg_match('#'.$info['pattern'].'#s', $filedata)) { |
|
1088 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
1089 return $info; |
|
1090 } |
|
1091 } |
|
1092 |
|
1093 |
|
1094 if (preg_match('#\.mp[123a]$#i', $filename)) { |
|
1095 // Too many mp3 encoders on the market put gabage in front of mpeg files |
|
1096 // use assume format on these if format detection failed |
|
1097 $GetFileFormatArray = $this->GetFileFormatArray(); |
|
1098 $info = $GetFileFormatArray['mp3']; |
|
1099 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
1100 return $info; |
|
1101 } elseif (preg_match('/\.cue$/i', $filename) && preg_match('#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#', $filedata)) { |
|
1102 // there's not really a useful consistent "magic" at the beginning of .cue files to identify them |
|
1103 // so until I think of something better, just go by filename if all other format checks fail |
|
1104 // and verify there's at least one instance of "TRACK xx AUDIO" in the file |
|
1105 $GetFileFormatArray = $this->GetFileFormatArray(); |
|
1106 $info = $GetFileFormatArray['cue']; |
|
1107 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
1108 return $info; |
|
1109 } |
|
1110 |
|
1111 return false; |
|
1112 } |
|
1113 |
|
1114 |
|
1115 // converts array to $encoding charset from $this->encoding |
|
1116 public function CharConvert(&$array, $encoding) { |
|
1117 |
|
1118 // identical encoding - end here |
|
1119 if ($encoding == $this->encoding) { |
|
1120 return; |
|
1121 } |
|
1122 |
|
1123 // loop thru array |
|
1124 foreach ($array as $key => $value) { |
|
1125 |
|
1126 // go recursive |
|
1127 if (is_array($value)) { |
|
1128 $this->CharConvert($array[$key], $encoding); |
|
1129 } |
|
1130 |
|
1131 // convert string |
|
1132 elseif (is_string($value)) { |
|
1133 $array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value)); |
|
1134 } |
|
1135 } |
|
1136 } |
|
1137 |
|
1138 |
|
1139 public function HandleAllTags() { |
|
1140 |
|
1141 // key name => array (tag name, character encoding) |
|
1142 static $tags; |
|
1143 if (empty($tags)) { |
|
1144 $tags = array( |
|
1145 'asf' => array('asf' , 'UTF-16LE'), |
|
1146 'midi' => array('midi' , 'ISO-8859-1'), |
|
1147 'nsv' => array('nsv' , 'ISO-8859-1'), |
|
1148 'ogg' => array('vorbiscomment' , 'UTF-8'), |
|
1149 'png' => array('png' , 'UTF-8'), |
|
1150 'tiff' => array('tiff' , 'ISO-8859-1'), |
|
1151 'quicktime' => array('quicktime' , 'UTF-8'), |
|
1152 'real' => array('real' , 'ISO-8859-1'), |
|
1153 'vqf' => array('vqf' , 'ISO-8859-1'), |
|
1154 'zip' => array('zip' , 'ISO-8859-1'), |
|
1155 'riff' => array('riff' , 'ISO-8859-1'), |
|
1156 'lyrics3' => array('lyrics3' , 'ISO-8859-1'), |
|
1157 'id3v1' => array('id3v1' , $this->encoding_id3v1), |
|
1158 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 |
|
1159 'ape' => array('ape' , 'UTF-8'), |
|
1160 'cue' => array('cue' , 'ISO-8859-1'), |
|
1161 'matroska' => array('matroska' , 'UTF-8'), |
|
1162 'flac' => array('vorbiscomment' , 'UTF-8'), |
|
1163 'divxtag' => array('divx' , 'ISO-8859-1'), |
|
1164 ); |
|
1165 } |
|
1166 |
|
1167 // loop through comments array |
|
1168 foreach ($tags as $comment_name => $tagname_encoding_array) { |
|
1169 list($tag_name, $encoding) = $tagname_encoding_array; |
|
1170 |
|
1171 // fill in default encoding type if not already present |
|
1172 if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) { |
|
1173 $this->info[$comment_name]['encoding'] = $encoding; |
|
1174 } |
|
1175 |
|
1176 // copy comments if key name set |
|
1177 if (!empty($this->info[$comment_name]['comments'])) { |
|
1178 foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) { |
|
1179 foreach ($valuearray as $key => $value) { |
|
1180 if (is_string($value)) { |
|
1181 $value = trim($value, " \r\n\t"); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed! |
|
1182 } |
|
1183 if ($value) { |
|
1184 $this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; |
|
1185 } |
|
1186 } |
|
1187 if ($tag_key == 'picture') { |
|
1188 unset($this->info[$comment_name]['comments'][$tag_key]); |
|
1189 } |
|
1190 } |
|
1191 |
|
1192 if (!isset($this->info['tags'][$tag_name])) { |
|
1193 // comments are set but contain nothing but empty strings, so skip |
|
1194 continue; |
|
1195 } |
|
1196 |
|
1197 if ($this->option_tags_html) { |
|
1198 foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { |
|
1199 foreach ($valuearray as $key => $value) { |
|
1200 if (is_string($value)) { |
|
1201 //$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding); |
|
1202 $this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', trim(getid3_lib::MultiByteCharString2HTML($value, $encoding))); |
|
1203 } else { |
|
1204 $this->info['tags_html'][$tag_name][$tag_key][$key] = $value; |
|
1205 } |
|
1206 } |
|
1207 } |
|
1208 } |
|
1209 |
|
1210 $this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted! |
|
1211 } |
|
1212 |
|
1213 } |
|
1214 |
|
1215 // pictures can take up a lot of space, and we don't need multiple copies of them |
|
1216 // let there be a single copy in [comments][picture], and not elsewhere |
|
1217 if (!empty($this->info['tags'])) { |
|
1218 $unset_keys = array('tags', 'tags_html'); |
|
1219 foreach ($this->info['tags'] as $tagtype => $tagarray) { |
|
1220 foreach ($tagarray as $tagname => $tagdata) { |
|
1221 if ($tagname == 'picture') { |
|
1222 foreach ($tagdata as $key => $tagarray) { |
|
1223 $this->info['comments']['picture'][] = $tagarray; |
|
1224 if (isset($tagarray['data']) && isset($tagarray['image_mime'])) { |
|
1225 if (isset($this->info['tags'][$tagtype][$tagname][$key])) { |
|
1226 unset($this->info['tags'][$tagtype][$tagname][$key]); |
|
1227 } |
|
1228 if (isset($this->info['tags_html'][$tagtype][$tagname][$key])) { |
|
1229 unset($this->info['tags_html'][$tagtype][$tagname][$key]); |
|
1230 } |
|
1231 } |
|
1232 } |
|
1233 } |
|
1234 } |
|
1235 foreach ($unset_keys as $unset_key) { |
|
1236 // remove possible empty keys from (e.g. [tags][id3v2][picture]) |
|
1237 if (empty($this->info[$unset_key][$tagtype]['picture'])) { |
|
1238 unset($this->info[$unset_key][$tagtype]['picture']); |
|
1239 } |
|
1240 if (empty($this->info[$unset_key][$tagtype])) { |
|
1241 unset($this->info[$unset_key][$tagtype]); |
|
1242 } |
|
1243 if (empty($this->info[$unset_key])) { |
|
1244 unset($this->info[$unset_key]); |
|
1245 } |
|
1246 } |
|
1247 // remove duplicate copy of picture data from (e.g. [id3v2][comments][picture]) |
|
1248 if (isset($this->info[$tagtype]['comments']['picture'])) { |
|
1249 unset($this->info[$tagtype]['comments']['picture']); |
|
1250 } |
|
1251 if (empty($this->info[$tagtype]['comments'])) { |
|
1252 unset($this->info[$tagtype]['comments']); |
|
1253 } |
|
1254 if (empty($this->info[$tagtype])) { |
|
1255 unset($this->info[$tagtype]); |
|
1256 } |
|
1257 } |
|
1258 } |
|
1259 return true; |
|
1260 } |
|
1261 |
|
1262 |
|
1263 public function getHashdata($algorithm) { |
|
1264 switch ($algorithm) { |
|
1265 case 'md5': |
|
1266 case 'sha1': |
|
1267 break; |
|
1268 |
|
1269 default: |
|
1270 return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); |
|
1271 break; |
|
1272 } |
|
1273 |
|
1274 if (!empty($this->info['fileformat']) && !empty($this->info['dataformat']) && ($this->info['fileformat'] == 'ogg') && ($this->info['audio']['dataformat'] == 'vorbis')) { |
|
1275 |
|
1276 // We cannot get an identical md5_data value for Ogg files where the comments |
|
1277 // span more than 1 Ogg page (compared to the same audio data with smaller |
|
1278 // comments) using the normal getID3() method of MD5'ing the data between the |
|
1279 // end of the comments and the end of the file (minus any trailing tags), |
|
1280 // because the page sequence numbers of the pages that the audio data is on |
|
1281 // do not match. Under normal circumstances, where comments are smaller than |
|
1282 // the nominal 4-8kB page size, then this is not a problem, but if there are |
|
1283 // very large comments, the only way around it is to strip off the comment |
|
1284 // tags with vorbiscomment and MD5 that file. |
|
1285 // This procedure must be applied to ALL Ogg files, not just the ones with |
|
1286 // comments larger than 1 page, because the below method simply MD5's the |
|
1287 // whole file with the comments stripped, not just the portion after the |
|
1288 // comments block (which is the standard getID3() method. |
|
1289 |
|
1290 // The above-mentioned problem of comments spanning multiple pages and changing |
|
1291 // page sequence numbers likely happens for OggSpeex and OggFLAC as well, but |
|
1292 // currently vorbiscomment only works on OggVorbis files. |
|
1293 |
|
1294 if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
|
1295 |
|
1296 $this->warning('Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)'); |
|
1297 $this->info[$algorithm.'_data'] = false; |
|
1298 |
|
1299 } else { |
|
1300 |
|
1301 // Prevent user from aborting script |
|
1302 $old_abort = ignore_user_abort(true); |
|
1303 |
|
1304 // Create empty file |
|
1305 $empty = tempnam(GETID3_TEMP_DIR, 'getID3'); |
|
1306 touch($empty); |
|
1307 |
|
1308 // Use vorbiscomment to make temp file without comments |
|
1309 $temp = tempnam(GETID3_TEMP_DIR, 'getID3'); |
|
1310 $file = $this->info['filenamepath']; |
|
1311 |
|
1312 if (GETID3_OS_ISWINDOWS) { |
|
1313 |
|
1314 if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) { |
|
1315 |
|
1316 $commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"'; |
|
1317 $VorbisCommentError = `$commandline`; |
|
1318 |
|
1319 } else { |
|
1320 |
|
1321 $VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR; |
|
1322 |
|
1323 } |
|
1324 |
|
1325 } else { |
|
1326 |
|
1327 $commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1'; |
|
1328 $commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1'; |
|
1329 $VorbisCommentError = `$commandline`; |
|
1330 |
|
1331 } |
|
1332 |
|
1333 if (!empty($VorbisCommentError)) { |
|
1334 |
|
1335 $this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$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; |
|
1336 $this->info[$algorithm.'_data'] = false; |
|
1337 |
|
1338 } else { |
|
1339 |
|
1340 // Get hash of newly created file |
|
1341 switch ($algorithm) { |
|
1342 case 'md5': |
|
1343 $this->info[$algorithm.'_data'] = md5_file($temp); |
|
1344 break; |
|
1345 |
|
1346 case 'sha1': |
|
1347 $this->info[$algorithm.'_data'] = sha1_file($temp); |
|
1348 break; |
|
1349 } |
|
1350 } |
|
1351 |
|
1352 // Clean up |
|
1353 unlink($empty); |
|
1354 unlink($temp); |
|
1355 |
|
1356 // Reset abort setting |
|
1357 ignore_user_abort($old_abort); |
|
1358 |
|
1359 } |
|
1360 |
|
1361 } else { |
|
1362 |
|
1363 if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) { |
|
1364 |
|
1365 // get hash from part of file |
|
1366 $this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm); |
|
1367 |
|
1368 } else { |
|
1369 |
|
1370 // get hash from whole file |
|
1371 switch ($algorithm) { |
|
1372 case 'md5': |
|
1373 $this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']); |
|
1374 break; |
|
1375 |
|
1376 case 'sha1': |
|
1377 $this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']); |
|
1378 break; |
|
1379 } |
|
1380 } |
|
1381 |
|
1382 } |
|
1383 return true; |
|
1384 } |
|
1385 |
|
1386 |
|
1387 public function ChannelsBitratePlaytimeCalculations() { |
|
1388 |
|
1389 // set channelmode on audio |
|
1390 if (!empty($this->info['audio']['channelmode']) || !isset($this->info['audio']['channels'])) { |
|
1391 // ignore |
|
1392 } elseif ($this->info['audio']['channels'] == 1) { |
|
1393 $this->info['audio']['channelmode'] = 'mono'; |
|
1394 } elseif ($this->info['audio']['channels'] == 2) { |
|
1395 $this->info['audio']['channelmode'] = 'stereo'; |
|
1396 } |
|
1397 |
|
1398 // Calculate combined bitrate - audio + video |
|
1399 $CombinedBitrate = 0; |
|
1400 $CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0); |
|
1401 $CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0); |
|
1402 if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) { |
|
1403 $this->info['bitrate'] = $CombinedBitrate; |
|
1404 } |
|
1405 //if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) { |
|
1406 // // for example, VBR MPEG video files cannot determine video bitrate: |
|
1407 // // should not set overall bitrate and playtime from audio bitrate only |
|
1408 // unset($this->info['bitrate']); |
|
1409 //} |
|
1410 |
|
1411 // video bitrate undetermined, but calculable |
|
1412 if (isset($this->info['video']['dataformat']) && $this->info['video']['dataformat'] && (!isset($this->info['video']['bitrate']) || ($this->info['video']['bitrate'] == 0))) { |
|
1413 // if video bitrate not set |
|
1414 if (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] > 0) && ($this->info['audio']['bitrate'] == $this->info['bitrate'])) { |
|
1415 // AND if audio bitrate is set to same as overall bitrate |
|
1416 if (isset($this->info['playtime_seconds']) && ($this->info['playtime_seconds'] > 0)) { |
|
1417 // AND if playtime is set |
|
1418 if (isset($this->info['avdataend']) && isset($this->info['avdataoffset'])) { |
|
1419 // AND if AV data offset start/end is known |
|
1420 // THEN we can calculate the video bitrate |
|
1421 $this->info['bitrate'] = round((($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']); |
|
1422 $this->info['video']['bitrate'] = $this->info['bitrate'] - $this->info['audio']['bitrate']; |
|
1423 } |
|
1424 } |
|
1425 } |
|
1426 } |
|
1427 |
|
1428 if ((!isset($this->info['playtime_seconds']) || ($this->info['playtime_seconds'] <= 0)) && !empty($this->info['bitrate'])) { |
|
1429 $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate']; |
|
1430 } |
|
1431 |
|
1432 if (!isset($this->info['bitrate']) && !empty($this->info['playtime_seconds'])) { |
|
1433 $this->info['bitrate'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']; |
|
1434 } |
|
1435 if (isset($this->info['bitrate']) && empty($this->info['audio']['bitrate']) && empty($this->info['video']['bitrate'])) { |
|
1436 if (isset($this->info['audio']['dataformat']) && empty($this->info['video']['resolution_x'])) { |
|
1437 // audio only |
|
1438 $this->info['audio']['bitrate'] = $this->info['bitrate']; |
|
1439 } elseif (isset($this->info['video']['resolution_x']) && empty($this->info['audio']['dataformat'])) { |
|
1440 // video only |
|
1441 $this->info['video']['bitrate'] = $this->info['bitrate']; |
|
1442 } |
|
1443 } |
|
1444 |
|
1445 // Set playtime string |
|
1446 if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) { |
|
1447 $this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']); |
|
1448 } |
|
1449 } |
|
1450 |
|
1451 |
|
1452 public function CalculateCompressionRatioVideo() { |
|
1453 if (empty($this->info['video'])) { |
|
1454 return false; |
|
1455 } |
|
1456 if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) { |
|
1457 return false; |
|
1458 } |
|
1459 if (empty($this->info['video']['bits_per_sample'])) { |
|
1460 return false; |
|
1461 } |
|
1462 |
|
1463 switch ($this->info['video']['dataformat']) { |
|
1464 case 'bmp': |
|
1465 case 'gif': |
|
1466 case 'jpeg': |
|
1467 case 'jpg': |
|
1468 case 'png': |
|
1469 case 'tiff': |
|
1470 $FrameRate = 1; |
|
1471 $PlaytimeSeconds = 1; |
|
1472 $BitrateCompressed = $this->info['filesize'] * 8; |
|
1473 break; |
|
1474 |
|
1475 default: |
|
1476 if (!empty($this->info['video']['frame_rate'])) { |
|
1477 $FrameRate = $this->info['video']['frame_rate']; |
|
1478 } else { |
|
1479 return false; |
|
1480 } |
|
1481 if (!empty($this->info['playtime_seconds'])) { |
|
1482 $PlaytimeSeconds = $this->info['playtime_seconds']; |
|
1483 } else { |
|
1484 return false; |
|
1485 } |
|
1486 if (!empty($this->info['video']['bitrate'])) { |
|
1487 $BitrateCompressed = $this->info['video']['bitrate']; |
|
1488 } else { |
|
1489 return false; |
|
1490 } |
|
1491 break; |
|
1492 } |
|
1493 $BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate; |
|
1494 |
|
1495 $this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed; |
|
1496 return true; |
|
1497 } |
|
1498 |
|
1499 |
|
1500 public function CalculateCompressionRatioAudio() { |
|
1501 if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate']) || !is_numeric($this->info['audio']['sample_rate'])) { |
|
1502 return false; |
|
1503 } |
|
1504 $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']) ? $this->info['audio']['bits_per_sample'] : 16)); |
|
1505 |
|
1506 if (!empty($this->info['audio']['streams'])) { |
|
1507 foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) { |
|
1508 if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) { |
|
1509 $this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16)); |
|
1510 } |
|
1511 } |
|
1512 } |
|
1513 return true; |
|
1514 } |
|
1515 |
|
1516 |
|
1517 public function CalculateReplayGain() { |
|
1518 if (isset($this->info['replay_gain'])) { |
|
1519 if (!isset($this->info['replay_gain']['reference_volume'])) { |
|
1520 $this->info['replay_gain']['reference_volume'] = (double) 89.0; |
|
1521 } |
|
1522 if (isset($this->info['replay_gain']['track']['adjustment'])) { |
|
1523 $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment']; |
|
1524 } |
|
1525 if (isset($this->info['replay_gain']['album']['adjustment'])) { |
|
1526 $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment']; |
|
1527 } |
|
1528 |
|
1529 if (isset($this->info['replay_gain']['track']['peak'])) { |
|
1530 $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']); |
|
1531 } |
|
1532 if (isset($this->info['replay_gain']['album']['peak'])) { |
|
1533 $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']); |
|
1534 } |
|
1535 } |
|
1536 return true; |
|
1537 } |
|
1538 |
|
1539 public function ProcessAudioStreams() { |
|
1540 if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { |
|
1541 if (!isset($this->info['audio']['streams'])) { |
|
1542 foreach ($this->info['audio'] as $key => $value) { |
|
1543 if ($key != 'streams') { |
|
1544 $this->info['audio']['streams'][0][$key] = $value; |
|
1545 } |
|
1546 } |
|
1547 } |
|
1548 } |
|
1549 return true; |
|
1550 } |
|
1551 |
|
1552 public function getid3_tempnam() { |
|
1553 return tempnam($this->tempdir, 'gI3'); |
|
1554 } |
|
1555 |
|
1556 public function include_module($name) { |
|
1557 //if (!file_exists($this->include_path.'module.'.$name.'.php')) { |
|
1558 if (!file_exists(GETID3_INCLUDEPATH.'module.'.$name.'.php')) { |
|
1559 throw new getid3_exception('Required module.'.$name.'.php is missing.'); |
|
1560 } |
|
1561 include_once(GETID3_INCLUDEPATH.'module.'.$name.'.php'); |
|
1562 return true; |
|
1563 } |
|
1564 |
|
1565 } |
|
1566 |
|
1567 |
|
1568 abstract class getid3_handler |
|
1569 { |
|
1570 protected $getid3; // pointer |
|
1571 |
|
1572 protected $data_string_flag = false; // analyzing filepointer or string |
|
1573 protected $data_string = ''; // string to analyze |
|
1574 protected $data_string_position = 0; // seek position in string |
|
1575 protected $data_string_length = 0; // string length |
|
1576 |
|
1577 private $dependency_to = null; |
|
1578 |
|
1579 |
|
1580 public function __construct(getID3 $getid3, $call_module=null) { |
|
1581 $this->getid3 = $getid3; |
|
1582 |
|
1583 if ($call_module) { |
|
1584 $this->dependency_to = str_replace('getid3_', '', $call_module); |
|
1585 } |
|
1586 } |
|
1587 |
|
1588 |
|
1589 // Analyze from file pointer |
|
1590 abstract public function Analyze(); |
|
1591 |
|
1592 |
|
1593 // Analyze from string instead |
|
1594 public function AnalyzeString($string) { |
|
1595 // Enter string mode |
|
1596 $this->setStringMode($string); |
|
1597 |
|
1598 // Save info |
|
1599 $saved_avdataoffset = $this->getid3->info['avdataoffset']; |
|
1600 $saved_avdataend = $this->getid3->info['avdataend']; |
|
1601 $saved_filesize = (isset($this->getid3->info['filesize']) ? $this->getid3->info['filesize'] : null); // may be not set if called as dependency without openfile() call |
|
1602 |
|
1603 // Reset some info |
|
1604 $this->getid3->info['avdataoffset'] = 0; |
|
1605 $this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = $this->data_string_length; |
|
1606 |
|
1607 // Analyze |
|
1608 $this->Analyze(); |
|
1609 |
|
1610 // Restore some info |
|
1611 $this->getid3->info['avdataoffset'] = $saved_avdataoffset; |
|
1612 $this->getid3->info['avdataend'] = $saved_avdataend; |
|
1613 $this->getid3->info['filesize'] = $saved_filesize; |
|
1614 |
|
1615 // Exit string mode |
|
1616 $this->data_string_flag = false; |
|
1617 } |
|
1618 |
|
1619 public function setStringMode($string) { |
|
1620 $this->data_string_flag = true; |
|
1621 $this->data_string = $string; |
|
1622 $this->data_string_length = strlen($string); |
|
1623 } |
|
1624 |
|
1625 protected function ftell() { |
|
1626 if ($this->data_string_flag) { |
|
1627 return $this->data_string_position; |
|
1628 } |
|
1629 return ftell($this->getid3->fp); |
|
1630 } |
|
1631 |
|
1632 protected function fread($bytes) { |
|
1633 if ($this->data_string_flag) { |
|
1634 $this->data_string_position += $bytes; |
|
1635 return substr($this->data_string, $this->data_string_position - $bytes, $bytes); |
|
1636 } |
|
1637 $pos = $this->ftell() + $bytes; |
|
1638 if (!getid3_lib::intValueSupported($pos)) { |
|
1639 throw new getid3_exception('cannot fread('.$bytes.' from '.$this->ftell().') because beyond PHP filesystem limit', 10); |
|
1640 } |
|
1641 return fread($this->getid3->fp, $bytes); |
|
1642 } |
|
1643 |
|
1644 protected function fseek($bytes, $whence=SEEK_SET) { |
|
1645 if ($this->data_string_flag) { |
|
1646 switch ($whence) { |
|
1647 case SEEK_SET: |
|
1648 $this->data_string_position = $bytes; |
|
1649 break; |
|
1650 |
|
1651 case SEEK_CUR: |
|
1652 $this->data_string_position += $bytes; |
|
1653 break; |
|
1654 |
|
1655 case SEEK_END: |
|
1656 $this->data_string_position = $this->data_string_length + $bytes; |
|
1657 break; |
|
1658 } |
|
1659 return 0; |
|
1660 } else { |
|
1661 $pos = $bytes; |
|
1662 if ($whence == SEEK_CUR) { |
|
1663 $pos = $this->ftell() + $bytes; |
|
1664 } elseif ($whence == SEEK_END) { |
|
1665 $pos = $this->info['filesize'] + $bytes; |
|
1666 } |
|
1667 if (!getid3_lib::intValueSupported($pos)) { |
|
1668 throw new getid3_exception('cannot fseek('.$pos.') because beyond PHP filesystem limit', 10); |
|
1669 } |
|
1670 } |
|
1671 return fseek($this->getid3->fp, $bytes, $whence); |
|
1672 } |
|
1673 |
|
1674 protected function feof() { |
|
1675 if ($this->data_string_flag) { |
|
1676 return $this->data_string_position >= $this->data_string_length; |
|
1677 } |
|
1678 return feof($this->getid3->fp); |
|
1679 } |
|
1680 |
|
1681 final protected function isDependencyFor($module) { |
|
1682 return $this->dependency_to == $module; |
|
1683 } |
|
1684 |
|
1685 protected function error($text) |
|
1686 { |
|
1687 $this->getid3->info['error'][] = $text; |
|
1688 |
|
1689 return false; |
|
1690 } |
|
1691 |
|
1692 protected function warning($text) |
|
1693 { |
|
1694 return $this->getid3->warning($text); |
|
1695 } |
|
1696 |
|
1697 protected function notice($text) |
|
1698 { |
|
1699 // does nothing for now |
|
1700 } |
|
1701 |
|
1702 public function saveAttachment($name, $offset, $length, $image_mime=null) { |
|
1703 try { |
|
1704 |
|
1705 // do not extract at all |
|
1706 if ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_NONE) { |
|
1707 |
|
1708 $attachment = null; // do not set any |
|
1709 |
|
1710 // extract to return array |
|
1711 } elseif ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_INLINE) { |
|
1712 |
|
1713 $this->fseek($offset); |
|
1714 $attachment = $this->fread($length); // get whole data in one pass, till it is anyway stored in memory |
|
1715 if ($attachment === false || strlen($attachment) != $length) { |
|
1716 throw new Exception('failed to read attachment data'); |
|
1717 } |
|
1718 |
|
1719 // assume directory path is given |
|
1720 } else { |
|
1721 |
|
1722 // set up destination path |
|
1723 $dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR); |
|
1724 if (!is_dir($dir) || !is_writable($dir)) { // check supplied directory |
|
1725 throw new Exception('supplied path ('.$dir.') does not exist, or is not writable'); |
|
1726 } |
|
1727 $dest = $dir.DIRECTORY_SEPARATOR.$name.($image_mime ? '.'.getid3_lib::ImageExtFromMime($image_mime) : ''); |
|
1728 |
|
1729 // create dest file |
|
1730 if (($fp_dest = fopen($dest, 'wb')) == false) { |
|
1731 throw new Exception('failed to create file '.$dest); |
|
1732 } |
|
1733 |
|
1734 // copy data |
|
1735 $this->fseek($offset); |
|
1736 $buffersize = ($this->data_string_flag ? $length : $this->getid3->fread_buffer_size()); |
|
1737 $bytesleft = $length; |
|
1738 while ($bytesleft > 0) { |
|
1739 if (($buffer = $this->fread(min($buffersize, $bytesleft))) === false || ($byteswritten = fwrite($fp_dest, $buffer)) === false || ($byteswritten === 0)) { |
|
1740 throw new Exception($buffer === false ? 'not enough data to read' : 'failed to write to destination file, may be not enough disk space'); |
|
1741 } |
|
1742 $bytesleft -= $byteswritten; |
|
1743 } |
|
1744 |
|
1745 fclose($fp_dest); |
|
1746 $attachment = $dest; |
|
1747 |
|
1748 } |
|
1749 |
|
1750 } catch (Exception $e) { |
|
1751 |
|
1752 // close and remove dest file if created |
|
1753 if (isset($fp_dest) && is_resource($fp_dest)) { |
|
1754 fclose($fp_dest); |
|
1755 unlink($dest); |
|
1756 } |
|
1757 |
|
1758 // do not set any is case of error |
|
1759 $attachment = null; |
|
1760 $this->warning('Failed to extract attachment '.$name.': '.$e->getMessage()); |
|
1761 |
|
1762 } |
|
1763 |
|
1764 // seek to the end of attachment |
|
1765 $this->fseek($offset + $length); |
|
1766 |
|
1767 return $attachment; |
|
1768 } |
|
1769 |
|
1770 } |
|
1771 |
|
1772 |
|
1773 class getid3_exception extends Exception |
|
1774 { |
|
1775 public $message; |
|
1776 } |