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1 <?php 2 ///////////////////////////////////////////////////////////////// 3 /// getID3() by James Heinrich <info@getid3.org> // 4 // available at https://github.com/JamesHeinrich/getID3 // 5 // or https://www.getid3.org // 6 // or http://getid3.sourceforge.net // 7 // see readme.txt for more details // 8 ///////////////////////////////////////////////////////////////// 9 // // 10 // module.audio-video.asf.php // 11 // module for analyzing ASF, WMA and WMV files // 12 // dependencies: module.audio-video.riff.php // 13 // /// 14 ///////////////////////////////////////////////////////////////// 15 16 if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers 17 exit; 18 } 19 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true); 20 21 class getid3_asf extends getid3_handler 22 { 23 /** 24 * @param getID3 $getid3 25 */ 26 public function __construct(getID3 $getid3) { 27 parent::__construct($getid3); // extends getid3_handler::__construct() 28 29 // initialize all GUID constants 30 $GUIDarray = $this->KnownGUIDs(); 31 foreach ($GUIDarray as $GUIDname => $hexstringvalue) { 32 if (!defined($GUIDname)) { 33 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue)); 34 } 35 } 36 } 37 38 /** 39 * @return bool 40 */ 41 public function Analyze() { 42 $info = &$this->getid3->info; 43 44 // Shortcuts 45 $thisfile_audio = &$info['audio']; 46 $thisfile_video = &$info['video']; 47 $info['asf'] = array(); 48 $thisfile_asf = &$info['asf']; 49 $thisfile_asf['comments'] = array(); 50 $thisfile_asf_comments = &$thisfile_asf['comments']; 51 $thisfile_asf['header_object'] = array(); 52 $thisfile_asf_headerobject = &$thisfile_asf['header_object']; 53 54 55 // ASF structure: 56 // * Header Object [required] 57 // * File Properties Object [required] (global file attributes) 58 // * Stream Properties Object [required] (defines media stream & characteristics) 59 // * Header Extension Object [required] (additional functionality) 60 // * Content Description Object (bibliographic information) 61 // * Script Command Object (commands for during playback) 62 // * Marker Object (named jumped points within the file) 63 // * Data Object [required] 64 // * Data Packets 65 // * Index Object 66 67 // Header Object: (mandatory, one only) 68 // Field Name Field Type Size (bits) 69 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object 70 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header 71 // Number of Header Objects DWORD 32 // number of objects in header object 72 // Reserved1 BYTE 8 // hardcoded: 0x01 73 // Reserved2 BYTE 8 // hardcoded: 0x02 74 75 $info['fileformat'] = 'asf'; 76 77 $this->fseek($info['avdataoffset']); 78 $HeaderObjectData = $this->fread(30); 79 80 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16); 81 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']); 82 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) { 83 unset($info['fileformat'], $info['asf']); 84 return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}'); 85 } 86 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8)); 87 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4)); 88 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1)); 89 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1)); 90 91 $NextObjectOffset = $this->ftell(); 92 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30); 93 $offset = 0; 94 $thisfile_asf_streambitratepropertiesobject = array(); 95 $thisfile_asf_codeclistobject = array(); 96 $StreamPropertiesObjectData = array(); 97 98 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) { 99 $NextObjectGUID = substr($ASFHeaderData, $offset, 16); 100 $offset += 16; 101 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); 102 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 103 $offset += 8; 104 switch ($NextObjectGUID) { 105 106 case GETID3_ASF_File_Properties_Object: 107 // File Properties Object: (mandatory, one only) 108 // Field Name Field Type Size (bits) 109 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object 110 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header 111 // File ID GUID 128 // unique ID - identical to File ID in Data Object 112 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1 113 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1 114 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1 115 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1 116 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1 117 // Preroll QWORD 64 // time to buffer data before starting to play file, in 1-millisecond units. If <> 0, PlayDuration and PresentationTime have been offset by this amount 118 // Flags DWORD 32 // 119 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid 120 // * Seekable Flag bits 1 (0x02) // is file seekable 121 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero 122 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1 123 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1 124 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead 125 126 // shortcut 127 $thisfile_asf['file_properties_object'] = array(); 128 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object']; 129 130 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset; 131 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID; 132 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; 133 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize; 134 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16); 135 $offset += 16; 136 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']); 137 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 138 $offset += 8; 139 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 140 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']); 141 $offset += 8; 142 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 143 $offset += 8; 144 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 145 $offset += 8; 146 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 147 $offset += 8; 148 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 149 $offset += 8; 150 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 151 $offset += 4; 152 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001); 153 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002); 154 155 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 156 $offset += 4; 157 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 158 $offset += 4; 159 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 160 $offset += 4; 161 162 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) { 163 164 // broadcast flag is set, some values invalid 165 unset($thisfile_asf_filepropertiesobject['filesize']); 166 unset($thisfile_asf_filepropertiesobject['data_packets']); 167 unset($thisfile_asf_filepropertiesobject['play_duration']); 168 unset($thisfile_asf_filepropertiesobject['send_duration']); 169 unset($thisfile_asf_filepropertiesobject['min_packet_size']); 170 unset($thisfile_asf_filepropertiesobject['max_packet_size']); 171 172 } else { 173 174 // broadcast flag NOT set, perform calculations 175 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000); 176 177 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate']; 178 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds']; 179 } 180 break; 181 182 case GETID3_ASF_Stream_Properties_Object: 183 // Stream Properties Object: (mandatory, one per media stream) 184 // Field Name Field Type Size (bits) 185 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object 186 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header 187 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media 188 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types 189 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream 190 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field 191 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field 192 // Flags WORD 16 // 193 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127 194 // * Reserved bits 8 (0x7F80) // reserved - set to zero 195 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set 196 // Reserved DWORD 32 // reserved - set to zero 197 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type 198 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type 199 200 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the 201 // stream number isn't known until halfway through decoding the structure, hence it 202 // it is decoded to a temporary variable and then stuck in the appropriate index later 203 204 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset; 205 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID; 206 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext; 207 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize; 208 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16); 209 $offset += 16; 210 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']); 211 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16); 212 $offset += 16; 213 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']); 214 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 215 $offset += 8; 216 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 217 $offset += 4; 218 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 219 $offset += 4; 220 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 221 $offset += 2; 222 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F; 223 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000); 224 225 $offset += 4; // reserved - DWORD 226 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']); 227 $offset += $StreamPropertiesObjectData['type_data_length']; 228 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']); 229 $offset += $StreamPropertiesObjectData['error_data_length']; 230 231 switch ($StreamPropertiesObjectData['stream_type']) { 232 233 case GETID3_ASF_Audio_Media: 234 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); 235 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr'); 236 237 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16)); 238 unset($audiodata['raw']); 239 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio); 240 break; 241 242 case GETID3_ASF_Video_Media: 243 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); 244 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr'); 245 break; 246 247 case GETID3_ASF_Command_Media: 248 default: 249 // do nothing 250 break; 251 252 } 253 254 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData; 255 unset($StreamPropertiesObjectData); // clear for next stream, if any 256 break; 257 258 case GETID3_ASF_Header_Extension_Object: 259 // Header Extension Object: (mandatory, one only) 260 // Field Name Field Type Size (bits) 261 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object 262 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header 263 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1 264 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006 265 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46 266 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects 267 268 // shortcut 269 $thisfile_asf['header_extension_object'] = array(); 270 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object']; 271 272 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset; 273 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID; 274 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext; 275 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize; 276 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16); 277 $offset += 16; 278 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']); 279 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) { 280 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')'); 281 //return false; 282 break; 283 } 284 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 285 $offset += 2; 286 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) { 287 $this->warning('header_extension_object.reserved_2 ('.$thisfile_asf_headerextensionobject['reserved_2'].') does not match expected value of "6"'); 288 //return false; 289 break; 290 } 291 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 292 $offset += 4; 293 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']); 294 $unhandled_sections = 0; 295 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections); 296 if ($unhandled_sections === 0) { 297 unset($thisfile_asf_headerextensionobject['extension_data']); 298 } 299 $offset += $thisfile_asf_headerextensionobject['extension_data_size']; 300 break; 301 302 case GETID3_ASF_Codec_List_Object: 303 // Codec List Object: (optional, one only) 304 // Field Name Field Type Size (bits) 305 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object 306 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header 307 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6 308 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array 309 // Codec Entries array of: variable // 310 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec 311 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field 312 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content 313 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field 314 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content 315 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field 316 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content 317 318 // shortcut 319 $thisfile_asf['codec_list_object'] = array(); 320 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object']; 321 322 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset; 323 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID; 324 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext; 325 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize; 326 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16); 327 $offset += 16; 328 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']); 329 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) { 330 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}'); 331 //return false; 332 break; 333 } 334 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 335 $offset += 4; 336 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) { 337 // shortcut 338 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array(); 339 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter]; 340 341 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 342 $offset += 2; 343 $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']); 344 345 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 346 $offset += 2; 347 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength); 348 $offset += $CodecNameLength; 349 350 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 351 $offset += 2; 352 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength); 353 $offset += $CodecDescriptionLength; 354 355 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 356 $offset += 2; 357 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength); 358 $offset += $CodecInformationLength; 359 360 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec 361 362 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) { 363 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"'); 364 } else { 365 366 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description'])); 367 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']); 368 369 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) { 370 $thisfile_audio['bitrate'] = (int) trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000; 371 } 372 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) { 373 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) { 374 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate']; 375 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate']; 376 } 377 378 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency)); 379 switch ($AudioCodecFrequency) { 380 case 8: 381 case 8000: 382 $thisfile_audio['sample_rate'] = 8000; 383 break; 384 385 case 11: 386 case 11025: 387 $thisfile_audio['sample_rate'] = 11025; 388 break; 389 390 case 12: 391 case 12000: 392 $thisfile_audio['sample_rate'] = 12000; 393 break; 394 395 case 16: 396 case 16000: 397 $thisfile_audio['sample_rate'] = 16000; 398 break; 399 400 case 22: 401 case 22050: 402 $thisfile_audio['sample_rate'] = 22050; 403 break; 404 405 case 24: 406 case 24000: 407 $thisfile_audio['sample_rate'] = 24000; 408 break; 409 410 case 32: 411 case 32000: 412 $thisfile_audio['sample_rate'] = 32000; 413 break; 414 415 case 44: 416 case 441000: 417 $thisfile_audio['sample_rate'] = 44100; 418 break; 419 420 case 48: 421 case 48000: 422 $thisfile_audio['sample_rate'] = 48000; 423 break; 424 425 default: 426 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')'); 427 break; 428 } 429 430 if (!isset($thisfile_audio['channels'])) { 431 if (strstr($AudioCodecChannels, 'stereo')) { 432 $thisfile_audio['channels'] = 2; 433 } elseif (strstr($AudioCodecChannels, 'mono')) { 434 $thisfile_audio['channels'] = 1; 435 } 436 } 437 438 } 439 } 440 } 441 break; 442 443 case GETID3_ASF_Script_Command_Object: 444 // Script Command Object: (optional, one only) 445 // Field Name Field Type Size (bits) 446 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object 447 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header 448 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6 449 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects 450 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects 451 // Command Types array of: variable // 452 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name 453 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command 454 // Commands array of: variable // 455 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds 456 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object 457 // * Command Name Length WORD 16 // number of Unicode characters for Command Name 458 // * Command Name WCHAR variable // array of Unicode characters - name of this command 459 460 // shortcut 461 $thisfile_asf['script_command_object'] = array(); 462 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object']; 463 464 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset; 465 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID; 466 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext; 467 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize; 468 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16); 469 $offset += 16; 470 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']); 471 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) { 472 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}'); 473 //return false; 474 break; 475 } 476 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 477 $offset += 2; 478 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 479 $offset += 2; 480 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) { 481 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 482 $offset += 2; 483 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 484 $offset += $CommandTypeNameLength; 485 } 486 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) { 487 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 488 $offset += 4; 489 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 490 $offset += 2; 491 492 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 493 $offset += 2; 494 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 495 $offset += $CommandTypeNameLength; 496 } 497 break; 498 499 case GETID3_ASF_Marker_Object: 500 // Marker Object: (optional, one only) 501 // Field Name Field Type Size (bits) 502 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object 503 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header 504 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB 505 // Markers Count DWORD 32 // number of Marker structures in Marker Object 506 // Reserved WORD 16 // hardcoded: 0x0000 507 // Name Length WORD 16 // number of bytes in the Name field 508 // Name WCHAR variable // name of the Marker Object 509 // Markers array of: variable // 510 // * Offset QWORD 64 // byte offset into Data Object 511 // * Presentation Time QWORD 64 // in 100-nanosecond units 512 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding) 513 // * Send Time DWORD 32 // in milliseconds 514 // * Flags DWORD 32 // hardcoded: 0x00000000 515 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field 516 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry 517 // * Padding BYTESTREAM variable // optional padding bytes 518 519 // shortcut 520 $thisfile_asf['marker_object'] = array(); 521 $thisfile_asf_markerobject = &$thisfile_asf['marker_object']; 522 523 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset; 524 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID; 525 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext; 526 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize; 527 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16); 528 $offset += 16; 529 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']); 530 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) { 531 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}'); 532 break; 533 } 534 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 535 $offset += 4; 536 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 537 $offset += 2; 538 if ($thisfile_asf_markerobject['reserved_2'] != 0) { 539 $this->warning('marker_object.reserved_2 ('.$thisfile_asf_markerobject['reserved_2'].') does not match expected value of "0"'); 540 break; 541 } 542 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 543 $offset += 2; 544 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']); 545 $offset += $thisfile_asf_markerobject['name_length']; 546 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) { 547 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 548 $offset += 8; 549 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 550 $offset += 8; 551 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 552 $offset += 2; 553 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 554 $offset += 4; 555 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 556 $offset += 4; 557 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 558 $offset += 4; 559 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']); 560 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 561 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 562 if ($PaddingLength > 0) { 563 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength); 564 $offset += $PaddingLength; 565 } 566 } 567 break; 568 569 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object: 570 // Bitrate Mutual Exclusion Object: (optional) 571 // Field Name Field Type Size (bits) 572 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object 573 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header 574 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown) 575 // Stream Numbers Count WORD 16 // number of video streams 576 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127 577 578 // shortcut 579 $thisfile_asf['bitrate_mutual_exclusion_object'] = array(); 580 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object']; 581 582 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset; 583 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID; 584 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext; 585 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize; 586 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16); 587 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']); 588 $offset += 16; 589 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) { 590 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}'); 591 //return false; 592 break; 593 } 594 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 595 $offset += 2; 596 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) { 597 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 598 $offset += 2; 599 } 600 break; 601 602 case GETID3_ASF_Error_Correction_Object: 603 // Error Correction Object: (optional, one only) 604 // Field Name Field Type Size (bits) 605 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object 606 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header 607 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread) 608 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field 609 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field 610 611 // shortcut 612 $thisfile_asf['error_correction_object'] = array(); 613 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object']; 614 615 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset; 616 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID; 617 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext; 618 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize; 619 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16); 620 $offset += 16; 621 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']); 622 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 623 $offset += 4; 624 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) { 625 case GETID3_ASF_No_Error_Correction: 626 // should be no data, but just in case there is, skip to the end of the field 627 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length']; 628 break; 629 630 case GETID3_ASF_Audio_Spread: 631 // Field Name Field Type Size (bits) 632 // Span BYTE 8 // number of packets over which audio will be spread. 633 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream 634 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream 635 // Silence Data Length WORD 16 // number of bytes in Silence Data field 636 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes 637 638 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1)); 639 $offset += 1; 640 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 641 $offset += 2; 642 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 643 $offset += 2; 644 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 645 $offset += 2; 646 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']); 647 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length']; 648 break; 649 650 default: 651 $this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}'); 652 //return false; 653 break; 654 } 655 656 break; 657 658 case GETID3_ASF_Content_Description_Object: 659 // Content Description Object: (optional, one only) 660 // Field Name Field Type Size (bits) 661 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object 662 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header 663 // Title Length WORD 16 // number of bytes in Title field 664 // Author Length WORD 16 // number of bytes in Author field 665 // Copyright Length WORD 16 // number of bytes in Copyright field 666 // Description Length WORD 16 // number of bytes in Description field 667 // Rating Length WORD 16 // number of bytes in Rating field 668 // Title WCHAR 16 // array of Unicode characters - Title 669 // Author WCHAR 16 // array of Unicode characters - Author 670 // Copyright WCHAR 16 // array of Unicode characters - Copyright 671 // Description WCHAR 16 // array of Unicode characters - Description 672 // Rating WCHAR 16 // array of Unicode characters - Rating 673 674 // shortcut 675 $thisfile_asf['content_description_object'] = array(); 676 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object']; 677 678 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset; 679 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID; 680 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 681 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize; 682 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 683 $offset += 2; 684 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 685 $offset += 2; 686 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 687 $offset += 2; 688 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 689 $offset += 2; 690 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 691 $offset += 2; 692 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']); 693 $offset += $thisfile_asf_contentdescriptionobject['title_length']; 694 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']); 695 $offset += $thisfile_asf_contentdescriptionobject['author_length']; 696 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']); 697 $offset += $thisfile_asf_contentdescriptionobject['copyright_length']; 698 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']); 699 $offset += $thisfile_asf_contentdescriptionobject['description_length']; 700 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']); 701 $offset += $thisfile_asf_contentdescriptionobject['rating_length']; 702 703 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating'); 704 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) { 705 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) { 706 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]); 707 } 708 } 709 break; 710 711 case GETID3_ASF_Extended_Content_Description_Object: 712 // Extended Content Description Object: (optional, one only) 713 // Field Name Field Type Size (bits) 714 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object 715 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header 716 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list 717 // Content Descriptors array of: variable // 718 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field 719 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name 720 // * Descriptor Value Data Type WORD 16 // Lookup array: 721 // 0x0000 = Unicode String (variable length) 722 // 0x0001 = BYTE array (variable length) 723 // 0x0002 = BOOL (DWORD, 32 bits) 724 // 0x0003 = DWORD (DWORD, 32 bits) 725 // 0x0004 = QWORD (QWORD, 64 bits) 726 // 0x0005 = WORD (WORD, 16 bits) 727 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field 728 // * Descriptor Value variable variable // value for Content Descriptor 729 730 // shortcut 731 $thisfile_asf['extended_content_description_object'] = array(); 732 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object']; 733 734 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset; 735 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID; 736 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 737 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize; 738 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 739 $offset += 2; 740 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) { 741 // shortcut 742 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array(); 743 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter]; 744 745 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30; 746 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 747 $offset += 2; 748 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']); 749 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']; 750 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 751 $offset += 2; 752 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 753 $offset += 2; 754 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']); 755 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']; 756 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 757 case 0x0000: // Unicode string 758 break; 759 760 case 0x0001: // BYTE array 761 // do nothing 762 break; 763 764 case 0x0002: // BOOL 765 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 766 break; 767 768 case 0x0003: // DWORD 769 case 0x0004: // QWORD 770 case 0x0005: // WORD 771 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 772 break; 773 774 default: 775 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')'); 776 //return false; 777 break; 778 } 779 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) { 780 781 case 'wm/albumartist': 782 case 'artist': 783 // Note: not 'artist', that comes from 'author' tag 784 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 785 break; 786 787 case 'wm/albumtitle': 788 case 'album': 789 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 790 break; 791 792 case 'wm/genre': 793 case 'genre': 794 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 795 break; 796 797 case 'wm/partofset': 798 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 799 break; 800 801 case 'wm/tracknumber': 802 case 'tracknumber': 803 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character) 804 $thisfile_asf_comments['track_number'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 805 foreach ($thisfile_asf_comments['track_number'] as $key => $value) { 806 if (preg_match('/^[0-9\x00]+$/', $value)) { 807 $thisfile_asf_comments['track_number'][$key] = intval(str_replace("\x00", '', $value)); 808 } 809 } 810 break; 811 812 case 'wm/track': 813 if (empty($thisfile_asf_comments['track_number'])) { 814 $thisfile_asf_comments['track_number'] = array(1 + (int) $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 815 } 816 break; 817 818 case 'wm/year': 819 case 'year': 820 case 'date': 821 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 822 break; 823 824 case 'wm/lyrics': 825 case 'lyrics': 826 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 827 break; 828 829 case 'isvbr': 830 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) { 831 $thisfile_audio['bitrate_mode'] = 'vbr'; 832 $thisfile_video['bitrate_mode'] = 'vbr'; 833 } 834 break; 835 836 case 'id3': 837 $this->getid3->include_module('tag.id3v2'); 838 839 $getid3_id3v2 = new getid3_id3v2($this->getid3); 840 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 841 unset($getid3_id3v2); 842 843 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) { 844 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>'; 845 } 846 break; 847 848 case 'wm/encodingtime': 849 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 850 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']); 851 break; 852 853 case 'wm/picture': 854 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 855 foreach ($WMpicture as $key => $value) { 856 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value; 857 } 858 unset($WMpicture); 859 /* 860 $wm_picture_offset = 0; 861 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1)); 862 $wm_picture_offset += 1; 863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']); 864 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4)); 865 $wm_picture_offset += 4; 866 867 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 868 do { 869 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); 870 $wm_picture_offset += 2; 871 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair; 872 } while ($next_byte_pair !== "\x00\x00"); 873 874 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = ''; 875 do { 876 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); 877 $wm_picture_offset += 2; 878 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair; 879 } while ($next_byte_pair !== "\x00\x00"); 880 881 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset; 882 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset); 883 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 884 885 $imageinfo = array(); 886 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 887 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo); 888 unset($imageinfo); 889 if (!empty($imagechunkcheck)) { 890 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 891 } 892 if (!isset($thisfile_asf_comments['picture'])) { 893 $thisfile_asf_comments['picture'] = array(); 894 } 895 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']); 896 */ 897 break; 898 899 default: 900 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 901 case 0: // Unicode string 902 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') { 903 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 904 } 905 break; 906 907 case 1: 908 break; 909 } 910 break; 911 } 912 913 } 914 break; 915 916 case GETID3_ASF_Stream_Bitrate_Properties_Object: 917 // Stream Bitrate Properties Object: (optional, one only) 918 // Field Name Field Type Size (bits) 919 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object 920 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header 921 // Bitrate Records Count WORD 16 // number of records in Bitrate Records 922 // Bitrate Records array of: variable // 923 // * Flags WORD 16 // 924 // * * Stream Number bits 7 (0x007F) // number of this stream 925 // * * Reserved bits 9 (0xFF80) // hardcoded: 0 926 // * Average Bitrate DWORD 32 // in bits per second 927 928 // shortcut 929 $thisfile_asf['stream_bitrate_properties_object'] = array(); 930 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object']; 931 932 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset; 933 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID; 934 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; 935 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize; 936 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 937 $offset += 2; 938 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 939 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 940 $offset += 2; 941 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F; 942 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 943 $offset += 4; 944 } 945 break; 946 947 case GETID3_ASF_Padding_Object: 948 // Padding Object: (optional) 949 // Field Name Field Type Size (bits) 950 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object 951 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header 952 // Padding Data BYTESTREAM variable // ignore 953 954 // shortcut 955 $thisfile_asf['padding_object'] = array(); 956 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object']; 957 958 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset; 959 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID; 960 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext; 961 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize; 962 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8; 963 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']); 964 $offset += ($NextObjectSize - 16 - 8); 965 break; 966 967 case GETID3_ASF_Extended_Content_Encryption_Object: 968 case GETID3_ASF_Content_Encryption_Object: 969 // WMA DRM - just ignore 970 $offset += ($NextObjectSize - 16 - 8); 971 break; 972 973 default: 974 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 975 if ($this->GUIDname($NextObjectGUIDtext)) { 976 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 977 } else { 978 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 979 } 980 $offset += ($NextObjectSize - 16 - 8); 981 break; 982 } 983 } 984 if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) { 985 $ASFbitrateAudio = 0; 986 $ASFbitrateVideo = 0; 987 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 988 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) { 989 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) { 990 case 1: 991 $ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 992 break; 993 994 case 2: 995 $ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 996 break; 997 998 default: 999 // do nothing 1000 break; 1001 } 1002 } 1003 } 1004 if ($ASFbitrateAudio > 0) { 1005 $thisfile_audio['bitrate'] = $ASFbitrateAudio; 1006 } 1007 if ($ASFbitrateVideo > 0) { 1008 $thisfile_video['bitrate'] = $ASFbitrateVideo; 1009 } 1010 } 1011 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) { 1012 1013 $thisfile_audio['bitrate'] = 0; 1014 $thisfile_video['bitrate'] = 0; 1015 1016 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) { 1017 1018 switch ($streamdata['stream_type']) { 1019 case GETID3_ASF_Audio_Media: 1020 // Field Name Field Type Size (bits) 1021 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure 1022 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure 1023 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure 1024 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure 1025 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure 1026 // Bits per sample WORD 16 // bits per sample of mono data. set to zero for variable bitrate codecs. defined as wBitsPerSample field of WAVEFORMATEX structure 1027 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure 1028 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1029 1030 // shortcut 1031 $thisfile_asf['audio_media'][$streamnumber] = array(); 1032 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber]; 1033 1034 $audiomediaoffset = 0; 1035 1036 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16)); 1037 $audiomediaoffset += 16; 1038 1039 $thisfile_audio['lossless'] = false; 1040 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) { 1041 case 0x0001: // PCM 1042 case 0x0163: // WMA9 Lossless 1043 $thisfile_audio['lossless'] = true; 1044 break; 1045 } 1046 1047 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { 1048 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { 1049 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1050 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1051 $thisfile_audio['bitrate'] += $dataarray['bitrate']; 1052 break; 1053 } 1054 } 1055 } else { 1056 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) { 1057 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8; 1058 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) { 1059 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate']; 1060 } 1061 } 1062 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream; 1063 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']; 1064 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless']; 1065 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; 1066 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma'; 1067 unset($thisfile_audio['streams'][$streamnumber]['raw']); 1068 1069 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2)); 1070 $audiomediaoffset += 2; 1071 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']); 1072 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size']; 1073 1074 break; 1075 1076 case GETID3_ASF_Video_Media: 1077 // Field Name Field Type Size (bits) 1078 // Encoded Image Width DWORD 32 // width of image in pixels 1079 // Encoded Image Height DWORD 32 // height of image in pixels 1080 // Reserved Flags BYTE 8 // hardcoded: 0x02 1081 // Format Data Size WORD 16 // size of Format Data field in bytes 1082 // Format Data array of: variable // 1083 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure 1084 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure 1085 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure 1086 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure 1087 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure 1088 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure 1089 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure 1090 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure 1091 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure 1092 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure 1093 // * Important Colors Count DWORD 32 // number of color index required for displaying bitmap. if zero, all colors are required. defined as biClrImportant field of BITMAPINFOHEADER structure 1094 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1095 1096 // shortcut 1097 $thisfile_asf['video_media'][$streamnumber] = array(); 1098 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber]; 1099 1100 $videomediaoffset = 0; 1101 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1102 $videomediaoffset += 4; 1103 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1104 $videomediaoffset += 4; 1105 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1)); 1106 $videomediaoffset += 1; 1107 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1108 $videomediaoffset += 2; 1109 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1110 $videomediaoffset += 4; 1111 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1112 $videomediaoffset += 4; 1113 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1114 $videomediaoffset += 4; 1115 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1116 $videomediaoffset += 2; 1117 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1118 $videomediaoffset += 2; 1119 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4); 1120 $videomediaoffset += 4; 1121 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1122 $videomediaoffset += 4; 1123 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1124 $videomediaoffset += 4; 1125 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1126 $videomediaoffset += 4; 1127 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1128 $videomediaoffset += 4; 1129 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1130 $videomediaoffset += 4; 1131 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset); 1132 1133 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { 1134 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { 1135 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1136 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1137 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate']; 1138 $thisfile_video['bitrate'] += $dataarray['bitrate']; 1139 break; 1140 } 1141 } 1142 } 1143 1144 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']); 1145 1146 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']; 1147 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec']; 1148 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width']; 1149 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height']; 1150 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']; 1151 break; 1152 1153 default: 1154 break; 1155 } 1156 } 1157 } 1158 1159 while ($this->ftell() < $info['avdataend']) { 1160 $NextObjectDataHeader = $this->fread(24); 1161 $offset = 0; 1162 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16); 1163 $offset += 16; 1164 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); 1165 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8)); 1166 $offset += 8; 1167 1168 switch ($NextObjectGUID) { 1169 case GETID3_ASF_Data_Object: 1170 // Data Object: (mandatory, one only) 1171 // Field Name Field Type Size (bits) 1172 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object 1173 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1 1174 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object 1175 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1 1176 // Reserved WORD 16 // hardcoded: 0x0101 1177 1178 // shortcut 1179 $thisfile_asf['data_object'] = array(); 1180 $thisfile_asf_dataobject = &$thisfile_asf['data_object']; 1181 1182 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24); 1183 $offset = 24; 1184 1185 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID; 1186 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext; 1187 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize; 1188 1189 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16); 1190 $offset += 16; 1191 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']); 1192 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8)); 1193 $offset += 8; 1194 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2)); 1195 $offset += 2; 1196 if ($thisfile_asf_dataobject['reserved'] != 0x0101) { 1197 $this->warning('data_object.reserved (0x'.sprintf('%04X', $thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"'); 1198 //return false; 1199 break; 1200 } 1201 1202 // Data Packets array of: variable // 1203 // * Error Correction Flags BYTE 8 // 1204 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000 1205 // * * Opaque Data Present bits 1 // 1206 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00 1207 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure 1208 // * Error Correction Data 1209 1210 $info['avdataoffset'] = $this->ftell(); 1211 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data 1212 $info['avdataend'] = $this->ftell(); 1213 break; 1214 1215 case GETID3_ASF_Simple_Index_Object: 1216 // Simple Index Object: (optional, recommended, one per video stream) 1217 // Field Name Field Type Size (bits) 1218 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object 1219 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header 1220 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object 1221 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units 1222 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries 1223 // Index Entries Count DWORD 32 // number of Index Entries structures 1224 // Index Entries array of: variable // 1225 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry 1226 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry 1227 1228 // shortcut 1229 $thisfile_asf['simple_index_object'] = array(); 1230 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object']; 1231 1232 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24); 1233 $offset = 24; 1234 1235 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID; 1236 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext; 1237 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize; 1238 1239 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16); 1240 $offset += 16; 1241 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']); 1242 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8)); 1243 $offset += 8; 1244 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1245 $offset += 4; 1246 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1247 $offset += 4; 1248 1249 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']); 1250 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) { 1251 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1252 $offset += 4; 1253 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1254 $offset += 2; 1255 } 1256 1257 break; 1258 1259 case GETID3_ASF_Index_Object: 1260 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1) 1261 // Field Name Field Type Size (bits) 1262 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object 1263 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header 1264 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms. 1265 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object. 1266 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object. 1267 1268 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0. 1269 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. 1270 // Index Specifiers array of: varies // 1271 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. 1272 // * Index Type WORD 16 // Specifies Index Type values as follows: 1273 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time. 1274 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object. 1275 // 3 = Nearest Past Cleanpoint. - indexes point to the closest data packet containing an entire object (or first fragment of an object) that has the Cleanpoint Flag set. 1276 // Nearest Past Cleanpoint is the most common type of index. 1277 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block. 1278 // * Block Positions QWORD varies // Specifies a list of byte offsets of the beginnings of the blocks relative to the beginning of the first Data Packet (i.e., the beginning of the Data Object + 50 bytes). The number of entries in this list is specified by the value of the Index Specifiers Count field. The order of those byte offsets is tied to the order in which Index Specifiers are listed. 1279 // * Index Entries array of: varies // 1280 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value 1281 1282 // shortcut 1283 $thisfile_asf['asf_index_object'] = array(); 1284 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object']; 1285 1286 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24); 1287 $offset = 24; 1288 1289 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID; 1290 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext; 1291 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize; 1292 1293 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1294 $offset += 4; 1295 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1296 $offset += 2; 1297 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1298 $offset += 4; 1299 1300 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1301 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1302 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1303 $offset += 2; 1304 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber; 1305 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1306 $offset += 2; 1307 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']); 1308 } 1309 1310 $ASFIndexObjectData .= $this->fread(4); 1311 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1312 $offset += 4; 1313 1314 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1315 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1316 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8)); 1317 $offset += 8; 1318 } 1319 1320 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']); 1321 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) { 1322 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1323 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1324 $offset += 4; 1325 } 1326 } 1327 break; 1328 1329 1330 default: 1331 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 1332 if ($this->GUIDname($NextObjectGUIDtext)) { 1333 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8)); 1334 } else { 1335 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8)); 1336 } 1337 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR); 1338 break; 1339 } 1340 } 1341 1342 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) { 1343 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1344 switch ($streamdata['information']) { 1345 case 'WMV1': 1346 case 'WMV2': 1347 case 'WMV3': 1348 case 'MSS1': 1349 case 'MSS2': 1350 case 'WMVA': 1351 case 'WVC1': 1352 case 'WMVP': 1353 case 'WVP2': 1354 $thisfile_video['dataformat'] = 'wmv'; 1355 $info['mime_type'] = 'video/x-ms-wmv'; 1356 break; 1357 1358 case 'MP42': 1359 case 'MP43': 1360 case 'MP4S': 1361 case 'mp4s': 1362 $thisfile_video['dataformat'] = 'asf'; 1363 $info['mime_type'] = 'video/x-ms-asf'; 1364 break; 1365 1366 default: 1367 switch ($streamdata['type_raw']) { 1368 case 1: 1369 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1370 $thisfile_video['dataformat'] = 'wmv'; 1371 if ($info['mime_type'] == 'video/x-ms-asf') { 1372 $info['mime_type'] = 'video/x-ms-wmv'; 1373 } 1374 } 1375 break; 1376 1377 case 2: 1378 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1379 $thisfile_audio['dataformat'] = 'wma'; 1380 if ($info['mime_type'] == 'video/x-ms-asf') { 1381 $info['mime_type'] = 'audio/x-ms-wma'; 1382 } 1383 } 1384 break; 1385 1386 } 1387 break; 1388 } 1389 } 1390 } 1391 1392 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') { 1393 case 'MPEG Layer-3': 1394 $thisfile_audio['dataformat'] = 'mp3'; 1395 break; 1396 1397 default: 1398 break; 1399 } 1400 1401 if (isset($thisfile_asf_codeclistobject['codec_entries'])) { 1402 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1403 switch ($streamdata['type_raw']) { 1404 1405 case 1: // video 1406 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1407 break; 1408 1409 case 2: // audio 1410 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1411 1412 // AH 2003-10-01 1413 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']); 1414 1415 $thisfile_audio['codec'] = $thisfile_audio['encoder']; 1416 break; 1417 1418 default: 1419 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']); 1420 break; 1421 1422 } 1423 } 1424 } 1425 1426 if (isset($info['audio'])) { 1427 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1428 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); 1429 } 1430 if (!empty($thisfile_video['dataformat'])) { 1431 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1432 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1); 1433 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); 1434 } 1435 if (!empty($thisfile_video['streams'])) { 1436 $thisfile_video['resolution_x'] = 0; 1437 $thisfile_video['resolution_y'] = 0; 1438 foreach ($thisfile_video['streams'] as $key => $valuearray) { 1439 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) { 1440 $thisfile_video['resolution_x'] = $valuearray['resolution_x']; 1441 $thisfile_video['resolution_y'] = $valuearray['resolution_y']; 1442 } 1443 } 1444 } 1445 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0); 1446 1447 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) { 1448 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8); 1449 } 1450 1451 return true; 1452 } 1453 1454 /** 1455 * @param int $CodecListType 1456 * 1457 * @return string 1458 */ 1459 public static function codecListObjectTypeLookup($CodecListType) { 1460 static $lookup = array( 1461 0x0001 => 'Video Codec', 1462 0x0002 => 'Audio Codec', 1463 0xFFFF => 'Unknown Codec' 1464 ); 1465 1466 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type'); 1467 } 1468 1469 /** 1470 * @return array 1471 */ 1472 public static function KnownGUIDs() { 1473 static $GUIDarray = array( 1474 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A', 1475 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8', 1476 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8', 1477 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6', 1478 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B', 1479 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E', 1480 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E', 1481 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E', 1482 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C', 1483 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB', 1484 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B', 1485 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E', 1486 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343', 1487 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C', 1488 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054', 1489 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6', 1490 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB', 1491 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6', 1492 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365', 1493 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7', 1494 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C', 1495 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C', 1496 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C', 1497 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C', 1498 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC', 1499 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2', 1500 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85', 1501 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6', 1502 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6', 1503 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365', 1504 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185', 1505 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95', 1506 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD', 1507 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9', 1508 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365', 1509 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9', 1510 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9', 1511 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B', 1512 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365', 1513 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B', 1514 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220', 1515 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA', 1516 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD', 1517 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249', 1518 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850', 1519 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24', 1520 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC', 1521 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE', 1522 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE', 1523 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE', 1524 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE', 1525 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE', 1526 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE', 1527 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE', 1528 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE', 1529 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE', 1530 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE', 1531 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE', 1532 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE', 1533 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE', 1534 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE', 1535 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE', 1536 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE', 1537 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE', 1538 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE', 1539 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE', 1540 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE', 1541 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE', 1542 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE', 1543 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE', 1544 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE', 1545 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE', 1546 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE', 1547 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE', 1548 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE', 1549 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE', 1550 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE', 1551 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE', 1552 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE', 1553 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE', 1554 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE', 1555 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE', 1556 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE', 1557 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE', 1558 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE', 1559 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE', 1560 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE', 1561 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE', 1562 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE', 1563 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE', 1564 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE', 1565 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE', 1566 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE', 1567 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE', 1568 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE', 1569 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE', 1570 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE', 1571 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE', 1572 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE', 1573 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C', 1574 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B', 1575 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365', 1576 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24', 1577 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B', 1578 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C', 1579 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE', 1580 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html 1581 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html 1582 ); 1583 return $GUIDarray; 1584 } 1585 1586 /** 1587 * @param string $GUIDstring 1588 * 1589 * @return string|false 1590 */ 1591 public static function GUIDname($GUIDstring) { 1592 static $GUIDarray = array(); 1593 if (empty($GUIDarray)) { 1594 $GUIDarray = self::KnownGUIDs(); 1595 } 1596 return array_search($GUIDstring, $GUIDarray); 1597 } 1598 1599 /** 1600 * @param int $id 1601 * 1602 * @return string 1603 */ 1604 public static function ASFIndexObjectIndexTypeLookup($id) { 1605 static $ASFIndexObjectIndexTypeLookup = array(); 1606 if (empty($ASFIndexObjectIndexTypeLookup)) { 1607 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet'; 1608 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object'; 1609 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint'; 1610 } 1611 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid'); 1612 } 1613 1614 /** 1615 * @param string $GUIDstring 1616 * 1617 * @return string 1618 */ 1619 public static function GUIDtoBytestring($GUIDstring) { 1620 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way: 1621 // first 4 bytes are in little-endian order 1622 // next 2 bytes are appended in little-endian order 1623 // next 2 bytes are appended in little-endian order 1624 // next 2 bytes are appended in big-endian order 1625 // next 6 bytes are appended in big-endian order 1626 1627 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string: 1628 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp 1629 1630 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2))); 1631 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2))); 1632 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2))); 1633 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2))); 1634 1635 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2))); 1636 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2))); 1637 1638 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2))); 1639 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2))); 1640 1641 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2))); 1642 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2))); 1643 1644 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2))); 1645 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2))); 1646 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2))); 1647 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2))); 1648 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2))); 1649 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2))); 1650 1651 return $hexbytecharstring; 1652 } 1653 1654 /** 1655 * @param string $Bytestring 1656 * 1657 * @return string 1658 */ 1659 public static function BytestringToGUID($Bytestring) { 1660 $GUIDstring = str_pad(dechex(ord($Bytestring[3])), 2, '0', STR_PAD_LEFT); 1661 $GUIDstring .= str_pad(dechex(ord($Bytestring[2])), 2, '0', STR_PAD_LEFT); 1662 $GUIDstring .= str_pad(dechex(ord($Bytestring[1])), 2, '0', STR_PAD_LEFT); 1663 $GUIDstring .= str_pad(dechex(ord($Bytestring[0])), 2, '0', STR_PAD_LEFT); 1664 $GUIDstring .= '-'; 1665 $GUIDstring .= str_pad(dechex(ord($Bytestring[5])), 2, '0', STR_PAD_LEFT); 1666 $GUIDstring .= str_pad(dechex(ord($Bytestring[4])), 2, '0', STR_PAD_LEFT); 1667 $GUIDstring .= '-'; 1668 $GUIDstring .= str_pad(dechex(ord($Bytestring[7])), 2, '0', STR_PAD_LEFT); 1669 $GUIDstring .= str_pad(dechex(ord($Bytestring[6])), 2, '0', STR_PAD_LEFT); 1670 $GUIDstring .= '-'; 1671 $GUIDstring .= str_pad(dechex(ord($Bytestring[8])), 2, '0', STR_PAD_LEFT); 1672 $GUIDstring .= str_pad(dechex(ord($Bytestring[9])), 2, '0', STR_PAD_LEFT); 1673 $GUIDstring .= '-'; 1674 $GUIDstring .= str_pad(dechex(ord($Bytestring[10])), 2, '0', STR_PAD_LEFT); 1675 $GUIDstring .= str_pad(dechex(ord($Bytestring[11])), 2, '0', STR_PAD_LEFT); 1676 $GUIDstring .= str_pad(dechex(ord($Bytestring[12])), 2, '0', STR_PAD_LEFT); 1677 $GUIDstring .= str_pad(dechex(ord($Bytestring[13])), 2, '0', STR_PAD_LEFT); 1678 $GUIDstring .= str_pad(dechex(ord($Bytestring[14])), 2, '0', STR_PAD_LEFT); 1679 $GUIDstring .= str_pad(dechex(ord($Bytestring[15])), 2, '0', STR_PAD_LEFT); 1680 1681 return strtoupper($GUIDstring); 1682 } 1683 1684 /** 1685 * @param int $FILETIME 1686 * @param bool $round 1687 * 1688 * @return float|int 1689 */ 1690 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) { 1691 // FILETIME is a 64-bit unsigned integer representing 1692 // the number of 100-nanosecond intervals since January 1, 1601 1693 // UNIX timestamp is number of seconds since January 1, 1970 1694 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days 1695 if ($round) { 1696 return intval(round(($FILETIME - 116444736000000000) / 10000000)); 1697 } 1698 return ($FILETIME - 116444736000000000) / 10000000; 1699 } 1700 1701 /** 1702 * @param int $WMpictureType 1703 * 1704 * @return string 1705 */ 1706 public static function WMpictureTypeLookup($WMpictureType) { 1707 static $lookup = null; 1708 if ($lookup === null) { 1709 $lookup = array( 1710 0x03 => 'Front Cover', 1711 0x04 => 'Back Cover', 1712 0x00 => 'User Defined', 1713 0x05 => 'Leaflet Page', 1714 0x06 => 'Media Label', 1715 0x07 => 'Lead Artist', 1716 0x08 => 'Artist', 1717 0x09 => 'Conductor', 1718 0x0A => 'Band', 1719 0x0B => 'Composer', 1720 0x0C => 'Lyricist', 1721 0x0D => 'Recording Location', 1722 0x0E => 'During Recording', 1723 0x0F => 'During Performance', 1724 0x10 => 'Video Screen Capture', 1725 0x12 => 'Illustration', 1726 0x13 => 'Band Logotype', 1727 0x14 => 'Publisher Logotype' 1728 ); 1729 $lookup = array_map(function($str) { 1730 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str); 1731 }, $lookup); 1732 } 1733 1734 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : ''); 1735 } 1736 1737 /** 1738 * @param string $asf_header_extension_object_data 1739 * @param int $unhandled_sections 1740 * 1741 * @return array 1742 */ 1743 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) { 1744 // http://msdn.microsoft.com/en-us/library/bb643323.aspx 1745 1746 $offset = 0; 1747 $objectOffset = 0; 1748 $HeaderExtensionObjectParsed = array(); 1749 while ($objectOffset < strlen($asf_header_extension_object_data)) { 1750 $offset = $objectOffset; 1751 $thisObject = array(); 1752 1753 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16); 1754 $offset += 16; 1755 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']); 1756 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']); 1757 1758 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1759 $offset += 8; 1760 if ($thisObject['size'] <= 0) { 1761 break; 1762 } 1763 1764 switch ($thisObject['guid']) { 1765 case GETID3_ASF_Extended_Stream_Properties_Object: 1766 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1767 $offset += 8; 1768 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']); 1769 1770 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1771 $offset += 8; 1772 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']); 1773 1774 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1775 $offset += 4; 1776 1777 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1778 $offset += 4; 1779 1780 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1781 $offset += 4; 1782 1783 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1784 $offset += 4; 1785 1786 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1787 $offset += 4; 1788 1789 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1790 $offset += 4; 1791 1792 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1793 $offset += 4; 1794 1795 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1796 $offset += 4; 1797 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001; 1798 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002; 1799 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004; 1800 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008; 1801 1802 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1803 $offset += 2; 1804 1805 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1806 $offset += 2; 1807 1808 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1809 $offset += 4; 1810 1811 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1812 $offset += 2; 1813 1814 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1815 $offset += 2; 1816 1817 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) { 1818 $streamName = array(); 1819 1820 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1821 $offset += 2; 1822 1823 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1824 $offset += 2; 1825 1826 $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length'])); 1827 $offset += $streamName['stream_name_length']; 1828 1829 $thisObject['stream_names'][$i] = $streamName; 1830 } 1831 1832 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) { 1833 $payloadExtensionSystem = array(); 1834 1835 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16); 1836 $offset += 16; 1837 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']); 1838 1839 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1840 $offset += 2; 1841 if ($payloadExtensionSystem['extension_system_size'] <= 0) { 1842 break 2; 1843 } 1844 1845 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1846 $offset += 4; 1847 1848 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length'])); 1849 $offset += $payloadExtensionSystem['extension_system_info_length']; 1850 1851 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem; 1852 } 1853 1854 break; 1855 1856 case GETID3_ASF_Padding_Object: 1857 // padding, skip it 1858 break; 1859 1860 case GETID3_ASF_Metadata_Object: 1861 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1862 $offset += 2; 1863 1864 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) { 1865 $descriptionRecord = array(); 1866 1867 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero 1868 $offset += 2; 1869 1870 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1871 $offset += 2; 1872 1873 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1874 $offset += 2; 1875 1876 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1877 $offset += 2; 1878 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 1879 1880 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1881 $offset += 4; 1882 1883 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 1884 $offset += $descriptionRecord['name_length']; 1885 1886 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 1887 $offset += $descriptionRecord['data_length']; 1888 switch ($descriptionRecord['data_type']) { 1889 case 0x0000: // Unicode string 1890 break; 1891 1892 case 0x0001: // BYTE array 1893 // do nothing 1894 break; 1895 1896 case 0x0002: // BOOL 1897 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1898 break; 1899 1900 case 0x0003: // DWORD 1901 case 0x0004: // QWORD 1902 case 0x0005: // WORD 1903 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1904 break; 1905 1906 case 0x0006: // GUID 1907 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']); 1908 break; 1909 } 1910 1911 $thisObject['description_record'][$i] = $descriptionRecord; 1912 } 1913 break; 1914 1915 case GETID3_ASF_Language_List_Object: 1916 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1917 $offset += 2; 1918 1919 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) { 1920 $languageIDrecord = array(); 1921 1922 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 1923 $offset += 1; 1924 1925 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']); 1926 $offset += $languageIDrecord['language_id_length']; 1927 1928 $thisObject['language_id_record'][$i] = $languageIDrecord; 1929 } 1930 break; 1931 1932 case GETID3_ASF_Metadata_Library_Object: 1933 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1934 $offset += 2; 1935 1936 for ($i = 0; $i < $thisObject['description_records_count']; $i++) { 1937 $descriptionRecord = array(); 1938 1939 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1940 $offset += 2; 1941 1942 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1943 $offset += 2; 1944 1945 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1946 $offset += 2; 1947 1948 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1949 $offset += 2; 1950 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 1951 1952 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1953 $offset += 4; 1954 1955 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 1956 $offset += $descriptionRecord['name_length']; 1957 1958 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 1959 $offset += $descriptionRecord['data_length']; 1960 1961 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) { 1962 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']); 1963 foreach ($WMpicture as $key => $value) { 1964 $descriptionRecord['data'] = $WMpicture; 1965 } 1966 unset($WMpicture); 1967 } 1968 1969 $thisObject['description_record'][$i] = $descriptionRecord; 1970 } 1971 break; 1972 1973 default: 1974 $unhandled_sections++; 1975 if ($this->GUIDname($thisObject['guid_text'])) { 1976 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8)); 1977 } else { 1978 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8)); 1979 } 1980 break; 1981 } 1982 $HeaderExtensionObjectParsed[] = $thisObject; 1983 1984 $objectOffset += $thisObject['size']; 1985 } 1986 return $HeaderExtensionObjectParsed; 1987 } 1988 1989 /** 1990 * @param int $id 1991 * 1992 * @return string 1993 */ 1994 public static function metadataLibraryObjectDataTypeLookup($id) { 1995 static $lookup = array( 1996 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters 1997 0x0001 => 'BYTE array', // The type of the data is implementation-specific 1998 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values 1999 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer 2000 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer 2001 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer 2002 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID 2003 ); 2004 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid'); 2005 } 2006 2007 /** 2008 * @param string $data 2009 * 2010 * @return array 2011 */ 2012 public function ASF_WMpicture(&$data) { 2013 //typedef struct _WMPicture{ 2014 // LPWSTR pwszMIMEType; 2015 // BYTE bPictureType; 2016 // LPWSTR pwszDescription; 2017 // DWORD dwDataLen; 2018 // BYTE* pbData; 2019 //} WM_PICTURE; 2020 2021 $WMpicture = array(); 2022 2023 $offset = 0; 2024 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1)); 2025 $offset += 1; 2026 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']); 2027 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4)); 2028 $offset += 4; 2029 2030 $WMpicture['image_mime'] = ''; 2031 do { 2032 $next_byte_pair = substr($data, $offset, 2); 2033 $offset += 2; 2034 $WMpicture['image_mime'] .= $next_byte_pair; 2035 } while ($next_byte_pair !== "\x00\x00"); 2036 2037 $WMpicture['image_description'] = ''; 2038 do { 2039 $next_byte_pair = substr($data, $offset, 2); 2040 $offset += 2; 2041 $WMpicture['image_description'] .= $next_byte_pair; 2042 } while ($next_byte_pair !== "\x00\x00"); 2043 2044 $WMpicture['dataoffset'] = $offset; 2045 $WMpicture['data'] = substr($data, $offset); 2046 2047 $imageinfo = array(); 2048 $WMpicture['image_mime'] = ''; 2049 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo); 2050 unset($imageinfo); 2051 if (!empty($imagechunkcheck)) { 2052 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 2053 } 2054 if (!isset($this->getid3->info['asf']['comments']['picture'])) { 2055 $this->getid3->info['asf']['comments']['picture'] = array(); 2056 } 2057 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']); 2058 2059 return $WMpicture; 2060 } 2061 2062 /** 2063 * Remove terminator 00 00 and convert UTF-16LE to Latin-1. 2064 * 2065 * @param string $string 2066 * 2067 * @return string 2068 */ 2069 public static function TrimConvert($string) { 2070 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' '); 2071 } 2072 2073 /** 2074 * Remove terminator 00 00. 2075 * 2076 * @param string $string 2077 * 2078 * @return string 2079 */ 2080 public static function TrimTerm($string) { 2081 // remove terminator, only if present (it should be, but...) 2082 if (substr($string, -2) === "\x00\x00") { 2083 $string = substr($string, 0, -2); 2084 } 2085 return $string; 2086 } 2087 2088 }
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