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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 protected static $ASFIndexParametersObjectIndexSpecifiersIndexTypes = array( 24 1 => 'Nearest Past Data Packet', 25 2 => 'Nearest Past Media Object', 26 3 => 'Nearest Past Cleanpoint' 27 ); 28 29 protected static $ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes = array( 30 1 => 'Nearest Past Data Packet', 31 2 => 'Nearest Past Media Object', 32 3 => 'Nearest Past Cleanpoint', 33 0xFF => 'Frame Number Offset' 34 ); 35 36 protected static $ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes = array( 37 2 => 'Nearest Past Media Object', 38 3 => 'Nearest Past Cleanpoint' 39 ); 40 41 /** 42 * @param getID3 $getid3 43 */ 44 public function __construct(getID3 $getid3) { 45 parent::__construct($getid3); // extends getid3_handler::__construct() 46 47 // initialize all GUID constants 48 $GUIDarray = $this->KnownGUIDs(); 49 foreach ($GUIDarray as $GUIDname => $hexstringvalue) { 50 if (!defined($GUIDname)) { 51 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue)); 52 } 53 } 54 } 55 56 /** 57 * @return bool 58 */ 59 public function Analyze() { 60 $info = &$this->getid3->info; 61 62 // Shortcuts 63 $thisfile_audio = &$info['audio']; 64 $thisfile_video = &$info['video']; 65 $info['asf'] = array(); 66 $thisfile_asf = &$info['asf']; 67 $thisfile_asf['comments'] = array(); 68 $thisfile_asf_comments = &$thisfile_asf['comments']; 69 $thisfile_asf['header_object'] = array(); 70 $thisfile_asf_headerobject = &$thisfile_asf['header_object']; 71 72 73 // ASF structure: 74 // * Header Object [required] 75 // * File Properties Object [required] (global file attributes) 76 // * Stream Properties Object [required] (defines media stream & characteristics) 77 // * Header Extension Object [required] (additional functionality) 78 // * Content Description Object (bibliographic information) 79 // * Script Command Object (commands for during playback) 80 // * Marker Object (named jumped points within the file) 81 // * Data Object [required] 82 // * Data Packets 83 // * Index Object 84 85 // Header Object: (mandatory, one only) 86 // Field Name Field Type Size (bits) 87 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object 88 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header 89 // Number of Header Objects DWORD 32 // number of objects in header object 90 // Reserved1 BYTE 8 // hardcoded: 0x01 91 // Reserved2 BYTE 8 // hardcoded: 0x02 92 93 $info['fileformat'] = 'asf'; 94 95 $this->fseek($info['avdataoffset']); 96 $HeaderObjectData = $this->fread(30); 97 98 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16); 99 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']); 100 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) { 101 unset($info['fileformat'], $info['asf']); 102 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).'}'); 103 } 104 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8)); 105 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4)); 106 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1)); 107 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1)); 108 109 $NextObjectOffset = $this->ftell(); 110 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30); 111 $offset = 0; 112 $thisfile_asf_streambitratepropertiesobject = array(); 113 $thisfile_asf_codeclistobject = array(); 114 $StreamPropertiesObjectData = array(); 115 116 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) { 117 $NextObjectGUID = substr($ASFHeaderData, $offset, 16); 118 $offset += 16; 119 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); 120 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 121 $offset += 8; 122 switch ($NextObjectGUID) { 123 124 case GETID3_ASF_File_Properties_Object: 125 // File Properties Object: (mandatory, one only) 126 // Field Name Field Type Size (bits) 127 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object 128 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header 129 // File ID GUID 128 // unique ID - identical to File ID in Data Object 130 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1 131 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1 132 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1 133 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1 134 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1 135 // 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 136 // Flags DWORD 32 // 137 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid 138 // * Seekable Flag bits 1 (0x02) // is file seekable 139 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero 140 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1 141 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1 142 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead 143 144 // shortcut 145 $thisfile_asf['file_properties_object'] = array(); 146 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object']; 147 148 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset; 149 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID; 150 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; 151 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize; 152 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16); 153 $offset += 16; 154 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']); 155 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 156 $offset += 8; 157 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 158 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']); 159 $offset += 8; 160 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 161 $offset += 8; 162 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 163 $offset += 8; 164 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 165 $offset += 8; 166 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 167 $offset += 8; 168 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 169 $offset += 4; 170 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001); 171 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002); 172 173 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 174 $offset += 4; 175 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 176 $offset += 4; 177 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 178 $offset += 4; 179 180 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) { 181 182 // broadcast flag is set, some values invalid 183 unset($thisfile_asf_filepropertiesobject['filesize']); 184 unset($thisfile_asf_filepropertiesobject['data_packets']); 185 unset($thisfile_asf_filepropertiesobject['play_duration']); 186 unset($thisfile_asf_filepropertiesobject['send_duration']); 187 unset($thisfile_asf_filepropertiesobject['min_packet_size']); 188 unset($thisfile_asf_filepropertiesobject['max_packet_size']); 189 190 } else { 191 192 // broadcast flag NOT set, perform calculations 193 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000); 194 195 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate']; 196 $info['bitrate'] = getid3_lib::SafeDiv($thisfile_asf_filepropertiesobject['filesize'] * 8, $info['playtime_seconds']); 197 } 198 break; 199 200 case GETID3_ASF_Stream_Properties_Object: 201 // Stream Properties Object: (mandatory, one per media stream) 202 // Field Name Field Type Size (bits) 203 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object 204 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header 205 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media 206 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types 207 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream 208 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field 209 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field 210 // Flags WORD 16 // 211 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127 212 // * Reserved bits 8 (0x7F80) // reserved - set to zero 213 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set 214 // Reserved DWORD 32 // reserved - set to zero 215 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type 216 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type 217 218 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the 219 // stream number isn't known until halfway through decoding the structure, hence it 220 // it is decoded to a temporary variable and then stuck in the appropriate index later 221 222 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset; 223 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID; 224 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext; 225 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize; 226 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16); 227 $offset += 16; 228 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']); 229 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16); 230 $offset += 16; 231 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']); 232 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 233 $offset += 8; 234 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 235 $offset += 4; 236 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 237 $offset += 4; 238 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 239 $offset += 2; 240 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F; 241 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000); 242 243 $offset += 4; // reserved - DWORD 244 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']); 245 $offset += $StreamPropertiesObjectData['type_data_length']; 246 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']); 247 $offset += $StreamPropertiesObjectData['error_data_length']; 248 249 switch ($StreamPropertiesObjectData['stream_type']) { 250 251 case GETID3_ASF_Audio_Media: 252 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); 253 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr'); 254 255 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16)); 256 unset($audiodata['raw']); 257 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio); 258 break; 259 260 case GETID3_ASF_Video_Media: 261 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); 262 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr'); 263 break; 264 265 case GETID3_ASF_Command_Media: 266 default: 267 // do nothing 268 break; 269 270 } 271 272 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData; 273 unset($StreamPropertiesObjectData); // clear for next stream, if any 274 break; 275 276 case GETID3_ASF_Header_Extension_Object: 277 // Header Extension Object: (mandatory, one only) 278 // Field Name Field Type Size (bits) 279 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object 280 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header 281 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1 282 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006 283 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46 284 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects 285 286 // shortcut 287 $thisfile_asf['header_extension_object'] = array(); 288 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object']; 289 290 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset; 291 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID; 292 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext; 293 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize; 294 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16); 295 $offset += 16; 296 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']); 297 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) { 298 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')'); 299 //return false; 300 break; 301 } 302 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 303 $offset += 2; 304 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) { 305 $this->warning('header_extension_object.reserved_2 ('.$thisfile_asf_headerextensionobject['reserved_2'].') does not match expected value of "6"'); 306 //return false; 307 break; 308 } 309 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 310 $offset += 4; 311 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']); 312 $unhandled_sections = 0; 313 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections); 314 if ($unhandled_sections === 0) { 315 unset($thisfile_asf_headerextensionobject['extension_data']); 316 } 317 $offset += $thisfile_asf_headerextensionobject['extension_data_size']; 318 break; 319 320 case GETID3_ASF_Codec_List_Object: 321 // Codec List Object: (optional, one only) 322 // Field Name Field Type Size (bits) 323 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object 324 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header 325 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6 326 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array 327 // Codec Entries array of: variable // 328 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec 329 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field 330 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content 331 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field 332 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content 333 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field 334 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content 335 336 // shortcut 337 $thisfile_asf['codec_list_object'] = array(); 338 /** @var mixed[] $thisfile_asf_codeclistobject */ 339 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object']; 340 341 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset; 342 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID; 343 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext; 344 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize; 345 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16); 346 $offset += 16; 347 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']); 348 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) { 349 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}'); 350 //return false; 351 break; 352 } 353 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 354 if ($thisfile_asf_codeclistobject['codec_entries_count'] > 0) { 355 $thisfile_asf_codeclistobject['codec_entries'] = array(); 356 } 357 $offset += 4; 358 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) { 359 // shortcut 360 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array(); 361 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter]; 362 363 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 364 $offset += 2; 365 $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']); 366 367 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 368 $offset += 2; 369 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength); 370 $offset += $CodecNameLength; 371 372 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 373 $offset += 2; 374 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength); 375 $offset += $CodecDescriptionLength; 376 377 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 378 $offset += 2; 379 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength); 380 $offset += $CodecInformationLength; 381 382 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec 383 384 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) { 385 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"'); 386 } else { 387 388 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description'])); 389 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']); 390 391 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) { 392 $thisfile_audio['bitrate'] = (int) trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000; 393 } 394 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) { 395 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) { 396 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate']; 397 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate']; 398 } 399 400 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency)); 401 switch ($AudioCodecFrequency) { 402 case 8: 403 case 8000: 404 $thisfile_audio['sample_rate'] = 8000; 405 break; 406 407 case 11: 408 case 11025: 409 $thisfile_audio['sample_rate'] = 11025; 410 break; 411 412 case 12: 413 case 12000: 414 $thisfile_audio['sample_rate'] = 12000; 415 break; 416 417 case 16: 418 case 16000: 419 $thisfile_audio['sample_rate'] = 16000; 420 break; 421 422 case 22: 423 case 22050: 424 $thisfile_audio['sample_rate'] = 22050; 425 break; 426 427 case 24: 428 case 24000: 429 $thisfile_audio['sample_rate'] = 24000; 430 break; 431 432 case 32: 433 case 32000: 434 $thisfile_audio['sample_rate'] = 32000; 435 break; 436 437 case 44: 438 case 441000: 439 $thisfile_audio['sample_rate'] = 44100; 440 break; 441 442 case 48: 443 case 48000: 444 $thisfile_audio['sample_rate'] = 48000; 445 break; 446 447 default: 448 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')'); 449 break; 450 } 451 452 if (!isset($thisfile_audio['channels'])) { 453 if (strstr($AudioCodecChannels, 'stereo')) { 454 $thisfile_audio['channels'] = 2; 455 } elseif (strstr($AudioCodecChannels, 'mono')) { 456 $thisfile_audio['channels'] = 1; 457 } 458 } 459 460 } 461 } 462 } 463 break; 464 465 case GETID3_ASF_Script_Command_Object: 466 // Script Command Object: (optional, one only) 467 // Field Name Field Type Size (bits) 468 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object 469 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header 470 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6 471 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects 472 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects 473 // Command Types array of: variable // 474 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name 475 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command 476 // Commands array of: variable // 477 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds 478 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object 479 // * Command Name Length WORD 16 // number of Unicode characters for Command Name 480 // * Command Name WCHAR variable // array of Unicode characters - name of this command 481 482 // shortcut 483 $thisfile_asf['script_command_object'] = array(); 484 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object']; 485 486 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset; 487 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID; 488 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext; 489 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize; 490 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16); 491 $offset += 16; 492 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']); 493 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) { 494 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}'); 495 //return false; 496 break; 497 } 498 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 499 $offset += 2; 500 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 501 $offset += 2; 502 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) { 503 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 504 $offset += 2; 505 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 506 $offset += $CommandTypeNameLength; 507 } 508 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) { 509 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 510 $offset += 4; 511 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 512 $offset += 2; 513 514 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 515 $offset += 2; 516 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 517 $offset += $CommandTypeNameLength; 518 } 519 break; 520 521 case GETID3_ASF_Marker_Object: 522 // Marker Object: (optional, one only) 523 // Field Name Field Type Size (bits) 524 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object 525 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header 526 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB 527 // Markers Count DWORD 32 // number of Marker structures in Marker Object 528 // Reserved WORD 16 // hardcoded: 0x0000 529 // Name Length WORD 16 // number of bytes in the Name field 530 // Name WCHAR variable // name of the Marker Object 531 // Markers array of: variable // 532 // * Offset QWORD 64 // byte offset into Data Object 533 // * Presentation Time QWORD 64 // in 100-nanosecond units 534 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding) 535 // * Send Time DWORD 32 // in milliseconds 536 // * Flags DWORD 32 // hardcoded: 0x00000000 537 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field 538 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry 539 // * Padding BYTESTREAM variable // optional padding bytes 540 541 // shortcut 542 $thisfile_asf['marker_object'] = array(); 543 $thisfile_asf_markerobject = &$thisfile_asf['marker_object']; 544 545 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset; 546 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID; 547 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext; 548 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize; 549 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16); 550 $offset += 16; 551 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']); 552 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) { 553 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}'); 554 break; 555 } 556 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 557 $offset += 4; 558 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 559 $offset += 2; 560 if ($thisfile_asf_markerobject['reserved_2'] != 0) { 561 $this->warning('marker_object.reserved_2 ('.$thisfile_asf_markerobject['reserved_2'].') does not match expected value of "0"'); 562 break; 563 } 564 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 565 $offset += 2; 566 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']); 567 $offset += $thisfile_asf_markerobject['name_length']; 568 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) { 569 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 570 $offset += 8; 571 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 572 $offset += 8; 573 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 574 $offset += 2; 575 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 576 $offset += 4; 577 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 578 $offset += 4; 579 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 580 $offset += 4; 581 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']); 582 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 583 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 584 if ($PaddingLength > 0) { 585 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength); 586 $offset += $PaddingLength; 587 } 588 } 589 break; 590 591 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object: 592 // Bitrate Mutual Exclusion Object: (optional) 593 // Field Name Field Type Size (bits) 594 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object 595 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header 596 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown) 597 // Stream Numbers Count WORD 16 // number of video streams 598 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127 599 600 // shortcut 601 $thisfile_asf['bitrate_mutual_exclusion_object'] = array(); 602 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object']; 603 604 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset; 605 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID; 606 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext; 607 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize; 608 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16); 609 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']); 610 $offset += 16; 611 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) { 612 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}'); 613 //return false; 614 break; 615 } 616 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 617 $offset += 2; 618 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) { 619 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 620 $offset += 2; 621 } 622 break; 623 624 case GETID3_ASF_Error_Correction_Object: 625 // Error Correction Object: (optional, one only) 626 // Field Name Field Type Size (bits) 627 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object 628 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header 629 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread) 630 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field 631 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field 632 633 // shortcut 634 $thisfile_asf['error_correction_object'] = array(); 635 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object']; 636 637 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset; 638 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID; 639 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext; 640 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize; 641 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16); 642 $offset += 16; 643 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']); 644 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 645 $offset += 4; 646 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) { 647 case GETID3_ASF_No_Error_Correction: 648 // should be no data, but just in case there is, skip to the end of the field 649 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length']; 650 break; 651 652 case GETID3_ASF_Audio_Spread: 653 // Field Name Field Type Size (bits) 654 // Span BYTE 8 // number of packets over which audio will be spread. 655 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream 656 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream 657 // Silence Data Length WORD 16 // number of bytes in Silence Data field 658 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes 659 660 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1)); 661 $offset += 1; 662 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 663 $offset += 2; 664 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 665 $offset += 2; 666 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 667 $offset += 2; 668 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']); 669 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length']; 670 break; 671 672 default: 673 $this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}'); 674 //return false; 675 break; 676 } 677 678 break; 679 680 case GETID3_ASF_Content_Description_Object: 681 // Content Description Object: (optional, one only) 682 // Field Name Field Type Size (bits) 683 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object 684 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header 685 // Title Length WORD 16 // number of bytes in Title field 686 // Author Length WORD 16 // number of bytes in Author field 687 // Copyright Length WORD 16 // number of bytes in Copyright field 688 // Description Length WORD 16 // number of bytes in Description field 689 // Rating Length WORD 16 // number of bytes in Rating field 690 // Title WCHAR 16 // array of Unicode characters - Title 691 // Author WCHAR 16 // array of Unicode characters - Author 692 // Copyright WCHAR 16 // array of Unicode characters - Copyright 693 // Description WCHAR 16 // array of Unicode characters - Description 694 // Rating WCHAR 16 // array of Unicode characters - Rating 695 696 // shortcut 697 $thisfile_asf['content_description_object'] = array(); 698 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object']; 699 700 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset; 701 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID; 702 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 703 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize; 704 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 705 $offset += 2; 706 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 707 $offset += 2; 708 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 709 $offset += 2; 710 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 711 $offset += 2; 712 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 713 $offset += 2; 714 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']); 715 $offset += $thisfile_asf_contentdescriptionobject['title_length']; 716 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']); 717 $offset += $thisfile_asf_contentdescriptionobject['author_length']; 718 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']); 719 $offset += $thisfile_asf_contentdescriptionobject['copyright_length']; 720 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']); 721 $offset += $thisfile_asf_contentdescriptionobject['description_length']; 722 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']); 723 $offset += $thisfile_asf_contentdescriptionobject['rating_length']; 724 725 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating'); 726 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) { 727 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) { 728 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]); 729 } 730 } 731 break; 732 733 case GETID3_ASF_Extended_Content_Description_Object: 734 // Extended Content Description Object: (optional, one only) 735 // Field Name Field Type Size (bits) 736 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object 737 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header 738 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list 739 // Content Descriptors array of: variable // 740 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field 741 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name 742 // * Descriptor Value Data Type WORD 16 // Lookup array: 743 // 0x0000 = Unicode String (variable length) 744 // 0x0001 = BYTE array (variable length) 745 // 0x0002 = BOOL (DWORD, 32 bits) 746 // 0x0003 = DWORD (DWORD, 32 bits) 747 // 0x0004 = QWORD (QWORD, 64 bits) 748 // 0x0005 = WORD (WORD, 16 bits) 749 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field 750 // * Descriptor Value variable variable // value for Content Descriptor 751 752 // shortcut 753 $thisfile_asf['extended_content_description_object'] = array(); 754 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object']; 755 756 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset; 757 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID; 758 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 759 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize; 760 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 761 $offset += 2; 762 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) { 763 // shortcut 764 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array(); 765 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter]; 766 767 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30; 768 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 769 $offset += 2; 770 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']); 771 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']; 772 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 773 $offset += 2; 774 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 775 $offset += 2; 776 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']); 777 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']; 778 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 779 case 0x0000: // Unicode string 780 break; 781 782 case 0x0001: // BYTE array 783 // do nothing 784 break; 785 786 case 0x0002: // BOOL 787 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 788 break; 789 790 case 0x0003: // DWORD 791 case 0x0004: // QWORD 792 case 0x0005: // WORD 793 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 794 break; 795 796 default: 797 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')'); 798 //return false; 799 break; 800 } 801 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) { 802 803 case 'wm/albumartist': 804 case 'artist': 805 // Note: not 'artist', that comes from 'author' tag 806 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 807 break; 808 809 case 'wm/albumtitle': 810 case 'album': 811 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 812 break; 813 814 case 'wm/genre': 815 case 'genre': 816 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 817 break; 818 819 case 'wm/partofset': 820 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 821 break; 822 823 case 'wm/tracknumber': 824 case 'tracknumber': 825 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character) 826 $thisfile_asf_comments['track_number'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 827 foreach ($thisfile_asf_comments['track_number'] as $key => $value) { 828 if (preg_match('/^[0-9\x00]+$/', $value)) { 829 $thisfile_asf_comments['track_number'][$key] = intval(str_replace("\x00", '', $value)); 830 } 831 } 832 break; 833 834 case 'wm/track': 835 if (empty($thisfile_asf_comments['track_number'])) { 836 $thisfile_asf_comments['track_number'] = array(1 + (int) $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 837 } 838 break; 839 840 case 'wm/year': 841 case 'year': 842 case 'date': 843 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 844 break; 845 846 case 'wm/lyrics': 847 case 'lyrics': 848 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 849 break; 850 851 case 'isvbr': 852 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) { 853 $thisfile_audio['bitrate_mode'] = 'vbr'; 854 $thisfile_video['bitrate_mode'] = 'vbr'; 855 } 856 break; 857 858 case 'id3': 859 $this->getid3->include_module('tag.id3v2'); 860 861 $getid3_id3v2 = new getid3_id3v2($this->getid3); 862 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 863 unset($getid3_id3v2); 864 865 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) { 866 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>'; 867 } 868 break; 869 870 case 'wm/encodingtime': 871 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 872 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']); 873 break; 874 875 case 'wm/picture': 876 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 877 foreach ($WMpicture as $key => $value) { 878 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value; 879 } 880 unset($WMpicture); 881 /* 882 $wm_picture_offset = 0; 883 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1)); 884 $wm_picture_offset += 1; 885 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']); 886 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4)); 887 $wm_picture_offset += 4; 888 889 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 890 do { 891 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); 892 $wm_picture_offset += 2; 893 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair; 894 } while ($next_byte_pair !== "\x00\x00"); 895 896 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = ''; 897 do { 898 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); 899 $wm_picture_offset += 2; 900 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair; 901 } while ($next_byte_pair !== "\x00\x00"); 902 903 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset; 904 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset); 905 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 906 907 $imageinfo = array(); 908 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 909 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo); 910 unset($imageinfo); 911 if (!empty($imagechunkcheck)) { 912 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 913 } 914 if (!isset($thisfile_asf_comments['picture'])) { 915 $thisfile_asf_comments['picture'] = array(); 916 } 917 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']); 918 */ 919 break; 920 921 default: 922 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 923 case 0: // Unicode string 924 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') { 925 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 926 } 927 break; 928 929 case 1: 930 break; 931 } 932 break; 933 } 934 935 } 936 break; 937 938 case GETID3_ASF_Stream_Bitrate_Properties_Object: 939 // Stream Bitrate Properties Object: (optional, one only) 940 // Field Name Field Type Size (bits) 941 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object 942 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header 943 // Bitrate Records Count WORD 16 // number of records in Bitrate Records 944 // Bitrate Records array of: variable // 945 // * Flags WORD 16 // 946 // * * Stream Number bits 7 (0x007F) // number of this stream 947 // * * Reserved bits 9 (0xFF80) // hardcoded: 0 948 // * Average Bitrate DWORD 32 // in bits per second 949 950 // shortcut 951 $thisfile_asf['stream_bitrate_properties_object'] = array(); 952 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object']; 953 954 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset; 955 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID; 956 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; 957 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize; 958 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 959 $offset += 2; 960 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 961 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 962 $offset += 2; 963 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F; 964 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 965 $offset += 4; 966 } 967 break; 968 969 case GETID3_ASF_Padding_Object: 970 // Padding Object: (optional) 971 // Field Name Field Type Size (bits) 972 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object 973 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header 974 // Padding Data BYTESTREAM variable // ignore 975 976 // shortcut 977 $thisfile_asf['padding_object'] = array(); 978 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object']; 979 980 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset; 981 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID; 982 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext; 983 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize; 984 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8; 985 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']); 986 $offset += ($NextObjectSize - 16 - 8); 987 break; 988 989 case GETID3_ASF_Extended_Content_Encryption_Object: 990 case GETID3_ASF_Content_Encryption_Object: 991 // WMA DRM - just ignore 992 $offset += ($NextObjectSize - 16 - 8); 993 break; 994 995 default: 996 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 997 if ($this->GUIDname($NextObjectGUIDtext)) { 998 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 999 } else { 1000 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 1001 } 1002 $offset += ($NextObjectSize - 16 - 8); 1003 break; 1004 } 1005 } 1006 if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) { 1007 $ASFbitrateAudio = 0; 1008 $ASFbitrateVideo = 0; 1009 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 1010 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) { 1011 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) { 1012 case 1: 1013 $ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 1014 break; 1015 1016 case 2: 1017 $ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 1018 break; 1019 1020 default: 1021 // do nothing 1022 break; 1023 } 1024 } 1025 } 1026 if ($ASFbitrateAudio > 0) { 1027 $thisfile_audio['bitrate'] = $ASFbitrateAudio; 1028 } 1029 if ($ASFbitrateVideo > 0) { 1030 $thisfile_video['bitrate'] = $ASFbitrateVideo; 1031 } 1032 } 1033 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) { 1034 1035 $thisfile_audio['bitrate'] = 0; 1036 $thisfile_video['bitrate'] = 0; 1037 1038 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) { 1039 1040 switch ($streamdata['stream_type']) { 1041 case GETID3_ASF_Audio_Media: 1042 // Field Name Field Type Size (bits) 1043 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure 1044 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure 1045 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure 1046 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure 1047 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure 1048 // 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 1049 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure 1050 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1051 1052 // shortcut 1053 $thisfile_asf['audio_media'][$streamnumber] = array(); 1054 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber]; 1055 1056 $audiomediaoffset = 0; 1057 1058 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16)); 1059 $audiomediaoffset += 16; 1060 1061 $thisfile_audio['lossless'] = false; 1062 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) { 1063 case 0x0001: // PCM 1064 case 0x0163: // WMA9 Lossless 1065 $thisfile_audio['lossless'] = true; 1066 break; 1067 } 1068 1069 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line 1070 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { 1071 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1072 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1073 $thisfile_audio['bitrate'] += $dataarray['bitrate']; 1074 break; 1075 } 1076 } 1077 } else { 1078 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) { 1079 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8; 1080 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) { 1081 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate']; 1082 } 1083 } 1084 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream; 1085 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']; 1086 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless']; 1087 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; 1088 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma'; 1089 unset($thisfile_audio['streams'][$streamnumber]['raw']); 1090 1091 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2)); 1092 $audiomediaoffset += 2; 1093 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']); 1094 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size']; 1095 1096 break; 1097 1098 case GETID3_ASF_Video_Media: 1099 // Field Name Field Type Size (bits) 1100 // Encoded Image Width DWORD 32 // width of image in pixels 1101 // Encoded Image Height DWORD 32 // height of image in pixels 1102 // Reserved Flags BYTE 8 // hardcoded: 0x02 1103 // Format Data Size WORD 16 // size of Format Data field in bytes 1104 // Format Data array of: variable // 1105 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure 1106 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure 1107 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure 1108 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure 1109 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure 1110 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure 1111 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure 1112 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure 1113 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure 1114 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure 1115 // * 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 1116 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1117 1118 // shortcut 1119 $thisfile_asf['video_media'][$streamnumber] = array(); 1120 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber]; 1121 1122 $videomediaoffset = 0; 1123 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1124 $videomediaoffset += 4; 1125 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1126 $videomediaoffset += 4; 1127 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1)); 1128 $videomediaoffset += 1; 1129 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1130 $videomediaoffset += 2; 1131 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1132 $videomediaoffset += 4; 1133 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1134 $videomediaoffset += 4; 1135 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1136 $videomediaoffset += 4; 1137 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1138 $videomediaoffset += 2; 1139 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1140 $videomediaoffset += 2; 1141 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4); 1142 $videomediaoffset += 4; 1143 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1144 $videomediaoffset += 4; 1145 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1146 $videomediaoffset += 4; 1147 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1148 $videomediaoffset += 4; 1149 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1150 $videomediaoffset += 4; 1151 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1152 $videomediaoffset += 4; 1153 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset); 1154 1155 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line 1156 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { 1157 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1158 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1159 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate']; 1160 $thisfile_video['bitrate'] += $dataarray['bitrate']; 1161 break; 1162 } 1163 } 1164 } 1165 1166 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']); 1167 1168 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']; 1169 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec']; 1170 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width']; 1171 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height']; 1172 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']; 1173 break; 1174 1175 default: 1176 break; 1177 } 1178 } 1179 } 1180 1181 while ($this->ftell() < $info['avdataend']) { 1182 $NextObjectDataHeader = $this->fread(24); 1183 $offset = 0; 1184 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16); 1185 $offset += 16; 1186 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); 1187 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8)); 1188 $offset += 8; 1189 1190 switch ($NextObjectGUID) { 1191 case GETID3_ASF_Data_Object: 1192 // Data Object: (mandatory, one only) 1193 // Field Name Field Type Size (bits) 1194 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object 1195 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1 1196 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object 1197 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1 1198 // Reserved WORD 16 // hardcoded: 0x0101 1199 1200 // shortcut 1201 $thisfile_asf['data_object'] = array(); 1202 $thisfile_asf_dataobject = &$thisfile_asf['data_object']; 1203 1204 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24); 1205 $offset = 24; 1206 1207 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID; 1208 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext; 1209 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize; 1210 1211 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16); 1212 $offset += 16; 1213 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']); 1214 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8)); 1215 $offset += 8; 1216 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2)); 1217 $offset += 2; 1218 if ($thisfile_asf_dataobject['reserved'] != 0x0101) { 1219 $this->warning('data_object.reserved (0x'.sprintf('%04X', $thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"'); 1220 //return false; 1221 break; 1222 } 1223 1224 // Data Packets array of: variable // 1225 // * Error Correction Flags BYTE 8 // 1226 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000 1227 // * * Opaque Data Present bits 1 // 1228 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00 1229 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure 1230 // * Error Correction Data 1231 1232 $info['avdataoffset'] = $this->ftell(); 1233 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data 1234 $info['avdataend'] = $this->ftell(); 1235 break; 1236 1237 case GETID3_ASF_Simple_Index_Object: 1238 // Simple Index Object: (optional, recommended, one per video stream) 1239 // Field Name Field Type Size (bits) 1240 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object 1241 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header 1242 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object 1243 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units 1244 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries 1245 // Index Entries Count DWORD 32 // number of Index Entries structures 1246 // Index Entries array of: variable // 1247 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry 1248 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry 1249 1250 // shortcut 1251 $thisfile_asf['simple_index_object'] = array(); 1252 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object']; 1253 1254 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24); 1255 $offset = 24; 1256 1257 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID; 1258 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext; 1259 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize; 1260 1261 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16); 1262 $offset += 16; 1263 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']); 1264 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8)); 1265 $offset += 8; 1266 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1267 $offset += 4; 1268 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1269 $offset += 4; 1270 1271 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']); 1272 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) { 1273 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1274 $offset += 4; 1275 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1276 $offset += 2; 1277 } 1278 1279 break; 1280 1281 case GETID3_ASF_Index_Object: 1282 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1) 1283 // Field Name Field Type Size (bits) 1284 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object 1285 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header 1286 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms. 1287 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object. 1288 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object. 1289 1290 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0. 1291 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. 1292 // Index Specifiers array of: varies // 1293 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. 1294 // * Index Type WORD 16 // Specifies Index Type values as follows: 1295 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time. 1296 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object. 1297 // 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. 1298 // Nearest Past Cleanpoint is the most common type of index. 1299 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block. 1300 // * 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. 1301 // * Index Entries array of: varies // 1302 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value 1303 1304 // shortcut 1305 $thisfile_asf['asf_index_object'] = array(); 1306 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object']; 1307 1308 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24); 1309 $offset = 24; 1310 1311 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID; 1312 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext; 1313 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize; 1314 1315 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1316 $offset += 4; 1317 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1318 $offset += 2; 1319 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1320 $offset += 4; 1321 1322 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1323 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1324 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1325 $offset += 2; 1326 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber; 1327 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1328 $offset += 2; 1329 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']); 1330 } 1331 1332 $ASFIndexObjectData .= $this->fread(4); 1333 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1334 $offset += 4; 1335 1336 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1337 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1338 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8)); 1339 $offset += 8; 1340 } 1341 1342 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']); 1343 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) { 1344 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1345 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1346 $offset += 4; 1347 } 1348 } 1349 break; 1350 1351 1352 default: 1353 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 1354 if ($this->GUIDname($NextObjectGUIDtext)) { 1355 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8)); 1356 } else { 1357 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8)); 1358 } 1359 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR); 1360 break; 1361 } 1362 } 1363 1364 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) { 1365 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1366 switch ($streamdata['information']) { 1367 case 'WMV1': 1368 case 'WMV2': 1369 case 'WMV3': 1370 case 'MSS1': 1371 case 'MSS2': 1372 case 'WMVA': 1373 case 'WVC1': 1374 case 'WMVP': 1375 case 'WVP2': 1376 $thisfile_video['dataformat'] = 'wmv'; 1377 $info['mime_type'] = 'video/x-ms-wmv'; 1378 break; 1379 1380 case 'MP42': 1381 case 'MP43': 1382 case 'MP4S': 1383 case 'mp4s': 1384 $thisfile_video['dataformat'] = 'asf'; 1385 $info['mime_type'] = 'video/x-ms-asf'; 1386 break; 1387 1388 default: 1389 switch ($streamdata['type_raw']) { 1390 case 1: 1391 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1392 $thisfile_video['dataformat'] = 'wmv'; 1393 if ($info['mime_type'] == 'video/x-ms-asf') { 1394 $info['mime_type'] = 'video/x-ms-wmv'; 1395 } 1396 } 1397 break; 1398 1399 case 2: 1400 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1401 $thisfile_audio['dataformat'] = 'wma'; 1402 if ($info['mime_type'] == 'video/x-ms-asf') { 1403 $info['mime_type'] = 'audio/x-ms-wma'; 1404 } 1405 } 1406 break; 1407 1408 } 1409 break; 1410 } 1411 } 1412 } 1413 1414 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') { 1415 case 'MPEG Layer-3': 1416 $thisfile_audio['dataformat'] = 'mp3'; 1417 break; 1418 1419 default: 1420 break; 1421 } 1422 1423 if (isset($thisfile_asf_codeclistobject['codec_entries'])) { 1424 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1425 switch ($streamdata['type_raw']) { 1426 1427 case 1: // video 1428 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1429 break; 1430 1431 case 2: // audio 1432 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1433 1434 // AH 2003-10-01 1435 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']); 1436 1437 $thisfile_audio['codec'] = $thisfile_audio['encoder']; 1438 break; 1439 1440 default: 1441 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']); 1442 break; 1443 1444 } 1445 } 1446 } 1447 1448 if (isset($info['audio'])) { 1449 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1450 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); 1451 } 1452 if (!empty($thisfile_video['dataformat'])) { 1453 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1454 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1); 1455 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); 1456 } 1457 if (!empty($thisfile_video['streams'])) { 1458 $thisfile_video['resolution_x'] = 0; 1459 $thisfile_video['resolution_y'] = 0; 1460 foreach ($thisfile_video['streams'] as $key => $valuearray) { 1461 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) { 1462 $thisfile_video['resolution_x'] = $valuearray['resolution_x']; 1463 $thisfile_video['resolution_y'] = $valuearray['resolution_y']; 1464 } 1465 } 1466 } 1467 $info['bitrate'] = 0 + (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0); 1468 1469 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) { 1470 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8); 1471 } 1472 1473 return true; 1474 } 1475 1476 /** 1477 * @param int $CodecListType 1478 * 1479 * @return string 1480 */ 1481 public static function codecListObjectTypeLookup($CodecListType) { 1482 static $lookup = array( 1483 0x0001 => 'Video Codec', 1484 0x0002 => 'Audio Codec', 1485 0xFFFF => 'Unknown Codec' 1486 ); 1487 1488 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type'); 1489 } 1490 1491 /** 1492 * @return array 1493 */ 1494 public static function KnownGUIDs() { 1495 static $GUIDarray = array( 1496 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A', 1497 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8', 1498 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8', 1499 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6', 1500 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B', 1501 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E', 1502 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E', 1503 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E', 1504 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C', 1505 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB', 1506 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B', 1507 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E', 1508 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343', 1509 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C', 1510 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054', 1511 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6', 1512 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB', 1513 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6', 1514 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365', 1515 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7', 1516 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C', 1517 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C', 1518 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C', 1519 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C', 1520 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC', 1521 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2', 1522 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85', 1523 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6', 1524 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6', 1525 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365', 1526 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185', 1527 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95', 1528 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD', 1529 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9', 1530 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365', 1531 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9', 1532 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9', 1533 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B', 1534 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365', 1535 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B', 1536 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220', 1537 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA', 1538 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD', 1539 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249', 1540 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850', 1541 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24', 1542 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC', 1543 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE', 1544 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE', 1545 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE', 1546 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE', 1547 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE', 1548 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE', 1549 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE', 1550 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE', 1551 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE', 1552 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE', 1553 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE', 1554 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE', 1555 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE', 1556 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE', 1557 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE', 1558 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE', 1559 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE', 1560 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE', 1561 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE', 1562 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE', 1563 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE', 1564 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE', 1565 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE', 1566 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE', 1567 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE', 1568 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE', 1569 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE', 1570 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE', 1571 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE', 1572 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE', 1573 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE', 1574 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE', 1575 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE', 1576 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE', 1577 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE', 1578 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE', 1579 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE', 1580 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE', 1581 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE', 1582 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE', 1583 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE', 1584 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE', 1585 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE', 1586 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE', 1587 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE', 1588 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE', 1589 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE', 1590 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE', 1591 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE', 1592 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE', 1593 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE', 1594 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE', 1595 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C', 1596 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B', 1597 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365', 1598 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24', 1599 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B', 1600 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C', 1601 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE', 1602 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm 1603 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm 1604 'GETID3_ASF_Media_Object_Index_Parameters_Object'=> '6B203BAD-3F11-48E4-ACA8-D7613DE2CFA7', 1605 ); 1606 return $GUIDarray; 1607 } 1608 1609 /** 1610 * @param string $GUIDstring 1611 * 1612 * @return string|false 1613 */ 1614 public static function GUIDname($GUIDstring) { 1615 static $GUIDarray = array(); 1616 if (empty($GUIDarray)) { 1617 $GUIDarray = self::KnownGUIDs(); 1618 } 1619 return array_search($GUIDstring, $GUIDarray); 1620 } 1621 1622 /** 1623 * @param int $id 1624 * 1625 * @return string 1626 */ 1627 public static function ASFIndexObjectIndexTypeLookup($id) { 1628 static $ASFIndexObjectIndexTypeLookup = array(); 1629 if (empty($ASFIndexObjectIndexTypeLookup)) { 1630 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet'; 1631 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object'; 1632 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint'; 1633 } 1634 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid'); 1635 } 1636 1637 /** 1638 * @param string $GUIDstring 1639 * 1640 * @return string 1641 */ 1642 public static function GUIDtoBytestring($GUIDstring) { 1643 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way: 1644 // first 4 bytes are in little-endian order 1645 // next 2 bytes are appended in little-endian order 1646 // next 2 bytes are appended in little-endian order 1647 // next 2 bytes are appended in big-endian order 1648 // next 6 bytes are appended in big-endian order 1649 1650 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string: 1651 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp 1652 1653 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2))); 1654 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2))); 1655 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2))); 1656 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2))); 1657 1658 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2))); 1659 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2))); 1660 1661 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2))); 1662 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2))); 1663 1664 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2))); 1665 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2))); 1666 1667 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2))); 1668 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2))); 1669 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2))); 1670 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2))); 1671 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2))); 1672 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2))); 1673 1674 return $hexbytecharstring; 1675 } 1676 1677 /** 1678 * @param string $Bytestring 1679 * 1680 * @return string 1681 */ 1682 public static function BytestringToGUID($Bytestring) { 1683 $GUIDstring = str_pad(dechex(ord($Bytestring[3])), 2, '0', STR_PAD_LEFT); 1684 $GUIDstring .= str_pad(dechex(ord($Bytestring[2])), 2, '0', STR_PAD_LEFT); 1685 $GUIDstring .= str_pad(dechex(ord($Bytestring[1])), 2, '0', STR_PAD_LEFT); 1686 $GUIDstring .= str_pad(dechex(ord($Bytestring[0])), 2, '0', STR_PAD_LEFT); 1687 $GUIDstring .= '-'; 1688 $GUIDstring .= str_pad(dechex(ord($Bytestring[5])), 2, '0', STR_PAD_LEFT); 1689 $GUIDstring .= str_pad(dechex(ord($Bytestring[4])), 2, '0', STR_PAD_LEFT); 1690 $GUIDstring .= '-'; 1691 $GUIDstring .= str_pad(dechex(ord($Bytestring[7])), 2, '0', STR_PAD_LEFT); 1692 $GUIDstring .= str_pad(dechex(ord($Bytestring[6])), 2, '0', STR_PAD_LEFT); 1693 $GUIDstring .= '-'; 1694 $GUIDstring .= str_pad(dechex(ord($Bytestring[8])), 2, '0', STR_PAD_LEFT); 1695 $GUIDstring .= str_pad(dechex(ord($Bytestring[9])), 2, '0', STR_PAD_LEFT); 1696 $GUIDstring .= '-'; 1697 $GUIDstring .= str_pad(dechex(ord($Bytestring[10])), 2, '0', STR_PAD_LEFT); 1698 $GUIDstring .= str_pad(dechex(ord($Bytestring[11])), 2, '0', STR_PAD_LEFT); 1699 $GUIDstring .= str_pad(dechex(ord($Bytestring[12])), 2, '0', STR_PAD_LEFT); 1700 $GUIDstring .= str_pad(dechex(ord($Bytestring[13])), 2, '0', STR_PAD_LEFT); 1701 $GUIDstring .= str_pad(dechex(ord($Bytestring[14])), 2, '0', STR_PAD_LEFT); 1702 $GUIDstring .= str_pad(dechex(ord($Bytestring[15])), 2, '0', STR_PAD_LEFT); 1703 1704 return strtoupper($GUIDstring); 1705 } 1706 1707 /** 1708 * @param int $FILETIME 1709 * @param bool $round 1710 * 1711 * @return float|int 1712 */ 1713 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) { 1714 // FILETIME is a 64-bit unsigned integer representing 1715 // the number of 100-nanosecond intervals since January 1, 1601 1716 // UNIX timestamp is number of seconds since January 1, 1970 1717 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days 1718 if ($round) { 1719 return intval(round(($FILETIME - 116444736000000000) / 10000000)); 1720 } 1721 return ($FILETIME - 116444736000000000) / 10000000; 1722 } 1723 1724 /** 1725 * @param int $WMpictureType 1726 * 1727 * @return string 1728 */ 1729 public static function WMpictureTypeLookup($WMpictureType) { 1730 static $lookup = null; 1731 if ($lookup === null) { 1732 $lookup = array( 1733 0x03 => 'Front Cover', 1734 0x04 => 'Back Cover', 1735 0x00 => 'User Defined', 1736 0x05 => 'Leaflet Page', 1737 0x06 => 'Media Label', 1738 0x07 => 'Lead Artist', 1739 0x08 => 'Artist', 1740 0x09 => 'Conductor', 1741 0x0A => 'Band', 1742 0x0B => 'Composer', 1743 0x0C => 'Lyricist', 1744 0x0D => 'Recording Location', 1745 0x0E => 'During Recording', 1746 0x0F => 'During Performance', 1747 0x10 => 'Video Screen Capture', 1748 0x12 => 'Illustration', 1749 0x13 => 'Band Logotype', 1750 0x14 => 'Publisher Logotype' 1751 ); 1752 $lookup = array_map(function($str) { 1753 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str); 1754 }, $lookup); 1755 } 1756 1757 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : ''); 1758 } 1759 1760 /** 1761 * @param string $asf_header_extension_object_data 1762 * @param int $unhandled_sections 1763 * 1764 * @return array 1765 */ 1766 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) { 1767 // https://web.archive.org/web/20140419205228/http://msdn.microsoft.com/en-us/library/bb643323.aspx 1768 1769 $offset = 0; 1770 $objectOffset = 0; 1771 $HeaderExtensionObjectParsed = array(); 1772 while ($objectOffset < strlen($asf_header_extension_object_data)) { 1773 $offset = $objectOffset; 1774 $thisObject = array(); 1775 1776 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16); 1777 $offset += 16; 1778 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']); 1779 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']); 1780 1781 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1782 $offset += 8; 1783 if ($thisObject['size'] <= 0) { 1784 break; 1785 } 1786 1787 switch ($thisObject['guid']) { 1788 case GETID3_ASF_Extended_Stream_Properties_Object: 1789 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1790 $offset += 8; 1791 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']); 1792 1793 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1794 $offset += 8; 1795 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']); 1796 1797 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1798 $offset += 4; 1799 1800 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1801 $offset += 4; 1802 1803 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1804 $offset += 4; 1805 1806 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1807 $offset += 4; 1808 1809 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1810 $offset += 4; 1811 1812 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1813 $offset += 4; 1814 1815 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1816 $offset += 4; 1817 1818 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1819 $offset += 4; 1820 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001; 1821 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002; 1822 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004; 1823 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008; 1824 1825 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1826 $offset += 2; 1827 1828 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1829 $offset += 2; 1830 1831 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1832 $offset += 8; 1833 1834 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1835 $offset += 2; 1836 1837 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1838 $offset += 2; 1839 1840 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) { 1841 $streamName = array(); 1842 1843 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1844 $offset += 2; 1845 1846 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1847 $offset += 2; 1848 1849 $streamName['stream_name'] = substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']); 1850 $offset += $streamName['stream_name_length']; 1851 1852 $thisObject['stream_names'][$i] = $streamName; 1853 } 1854 1855 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) { 1856 $payloadExtensionSystem = array(); 1857 1858 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16); 1859 $offset += 16; 1860 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']); 1861 1862 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1863 $offset += 2; 1864 if ($payloadExtensionSystem['extension_system_size'] <= 0) { 1865 break 2; 1866 } 1867 1868 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1869 $offset += 4; 1870 1871 $payloadExtensionSystem['extension_system_info'] = substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']); 1872 $offset += $payloadExtensionSystem['extension_system_info_length']; 1873 1874 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem; 1875 } 1876 1877 break; 1878 1879 case GETID3_ASF_Advanced_Mutual_Exclusion_Object: 1880 $thisObject['exclusion_type'] = substr($asf_header_extension_object_data, $offset, 16); 1881 $offset += 16; 1882 $thisObject['exclusion_type_text'] = $this->BytestringToGUID($thisObject['exclusion_type']); 1883 1884 $thisObject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1885 $offset += 2; 1886 1887 for ($i = 0; $i < $thisObject['stream_numbers_count']; $i++) { 1888 $thisObject['stream_numbers'][$i] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1889 $offset += 2; 1890 } 1891 1892 break; 1893 1894 case GETID3_ASF_Stream_Prioritization_Object: 1895 $thisObject['priority_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1896 $offset += 2; 1897 1898 for ($i = 0; $i < $thisObject['priority_records_count']; $i++) { 1899 $priorityRecord = array(); 1900 1901 $priorityRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1902 $offset += 2; 1903 1904 $priorityRecord['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1905 $offset += 2; 1906 $priorityRecord['flags']['mandatory'] = (bool) $priorityRecord['flags_raw'] & 0x00000001; 1907 1908 $thisObject['priority_records'][$i] = $priorityRecord; 1909 } 1910 1911 break; 1912 1913 case GETID3_ASF_Padding_Object: 1914 // padding, skip it 1915 break; 1916 1917 case GETID3_ASF_Metadata_Object: 1918 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1919 $offset += 2; 1920 1921 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) { 1922 $descriptionRecord = array(); 1923 1924 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero 1925 $offset += 2; 1926 1927 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1928 $offset += 2; 1929 1930 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1931 $offset += 2; 1932 1933 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1934 $offset += 2; 1935 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 1936 1937 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1938 $offset += 4; 1939 1940 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 1941 $offset += $descriptionRecord['name_length']; 1942 1943 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 1944 $offset += $descriptionRecord['data_length']; 1945 switch ($descriptionRecord['data_type']) { 1946 case 0x0000: // Unicode string 1947 break; 1948 1949 case 0x0001: // BYTE array 1950 // do nothing 1951 break; 1952 1953 case 0x0002: // BOOL 1954 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1955 break; 1956 1957 case 0x0003: // DWORD 1958 case 0x0004: // QWORD 1959 case 0x0005: // WORD 1960 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1961 break; 1962 1963 case 0x0006: // GUID 1964 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']); 1965 break; 1966 } 1967 1968 $thisObject['description_record'][$i] = $descriptionRecord; 1969 } 1970 break; 1971 1972 case GETID3_ASF_Language_List_Object: 1973 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1974 $offset += 2; 1975 1976 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) { 1977 $languageIDrecord = array(); 1978 1979 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 1980 $offset += 1; 1981 1982 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']); 1983 $offset += $languageIDrecord['language_id_length']; 1984 1985 $thisObject['language_id_record'][$i] = $languageIDrecord; 1986 } 1987 break; 1988 1989 case GETID3_ASF_Metadata_Library_Object: 1990 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1991 $offset += 2; 1992 1993 for ($i = 0; $i < $thisObject['description_records_count']; $i++) { 1994 $descriptionRecord = array(); 1995 1996 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1997 $offset += 2; 1998 1999 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2000 $offset += 2; 2001 2002 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2003 $offset += 2; 2004 2005 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2006 $offset += 2; 2007 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 2008 2009 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2010 $offset += 4; 2011 2012 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 2013 $offset += $descriptionRecord['name_length']; 2014 2015 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 2016 $offset += $descriptionRecord['data_length']; 2017 2018 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) { 2019 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']); 2020 foreach ($WMpicture as $key => $value) { 2021 $descriptionRecord['data'] = $WMpicture; 2022 } 2023 unset($WMpicture); 2024 } 2025 2026 $thisObject['description_record'][$i] = $descriptionRecord; 2027 } 2028 break; 2029 2030 case GETID3_ASF_Index_Parameters_Object: 2031 $thisObject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2032 $offset += 4; 2033 2034 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2035 $offset += 2; 2036 2037 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2038 $indexSpecifier = array(); 2039 2040 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2041 $offset += 2; 2042 2043 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2044 $offset += 2; 2045 $indexSpecifier['index_type_text'] = isset(static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2046 ? static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2047 : 'invalid' 2048 ; 2049 2050 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2051 } 2052 2053 break; 2054 2055 case GETID3_ASF_Media_Object_Index_Parameters_Object: 2056 $thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2057 $offset += 4; 2058 2059 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2060 $offset += 2; 2061 2062 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2063 $indexSpecifier = array(); 2064 2065 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2066 $offset += 2; 2067 2068 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2069 $offset += 2; 2070 $indexSpecifier['index_type_text'] = isset(static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2071 ? static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2072 : 'invalid' 2073 ; 2074 2075 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2076 } 2077 2078 break; 2079 2080 case GETID3_ASF_Timecode_Index_Parameters_Object: 2081 // 4.11 Timecode Index Parameters Object (mandatory only if TIMECODE index is present in file, 0 or 1) 2082 // Field name Field type Size (bits) 2083 // Object ID GUID 128 // GUID for the Timecode Index Parameters Object - ASF_Timecode_Index_Parameters_Object 2084 // Object Size QWORD 64 // Specifies the size, in bytes, of the Timecode Index Parameters Object. Valid values are at least 34 bytes. 2085 // Index Entry Count Interval DWORD 32 // This value is ignored for the Timecode Index Parameters Object. 2086 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. 2087 // Index Specifiers array of: varies // 2088 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. 2089 // * Index Type WORD 16 // Specifies the type of index. Values are defined as follows (1 is not a valid value): 2090 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire video frame or the first fragment of a video frame 2091 // 3 = Nearest Past Cleanpoint - indexes point to the closest data packet containing an entire video frame (or first fragment of a video frame) that is a key frame. 2092 // Nearest Past Media Object is the most common value 2093 2094 $thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2095 $offset += 4; 2096 2097 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2098 $offset += 2; 2099 2100 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2101 $indexSpecifier = array(); 2102 2103 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2104 $offset += 2; 2105 2106 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2107 $offset += 2; 2108 $indexSpecifier['index_type_text'] = isset(static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2109 ? static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2110 : 'invalid' 2111 ; 2112 2113 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2114 } 2115 2116 break; 2117 2118 case GETID3_ASF_Compatibility_Object: 2119 $thisObject['profile'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 2120 $offset += 1; 2121 2122 $thisObject['mode'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 2123 $offset += 1; 2124 2125 break; 2126 2127 default: 2128 $unhandled_sections++; 2129 if ($this->GUIDname($thisObject['guid_text'])) { 2130 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8)); 2131 } else { 2132 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8)); 2133 } 2134 break; 2135 } 2136 $HeaderExtensionObjectParsed[] = $thisObject; 2137 2138 $objectOffset += $thisObject['size']; 2139 } 2140 return $HeaderExtensionObjectParsed; 2141 } 2142 2143 /** 2144 * @param int $id 2145 * 2146 * @return string 2147 */ 2148 public static function metadataLibraryObjectDataTypeLookup($id) { 2149 static $lookup = array( 2150 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters 2151 0x0001 => 'BYTE array', // The type of the data is implementation-specific 2152 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values 2153 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer 2154 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer 2155 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer 2156 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID 2157 ); 2158 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid'); 2159 } 2160 2161 /** 2162 * @param string $data 2163 * 2164 * @return array 2165 */ 2166 public function ASF_WMpicture(&$data) { 2167 //typedef struct _WMPicture{ 2168 // LPWSTR pwszMIMEType; 2169 // BYTE bPictureType; 2170 // LPWSTR pwszDescription; 2171 // DWORD dwDataLen; 2172 // BYTE* pbData; 2173 //} WM_PICTURE; 2174 2175 $WMpicture = array(); 2176 2177 $offset = 0; 2178 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1)); 2179 $offset += 1; 2180 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']); 2181 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4)); 2182 $offset += 4; 2183 2184 $WMpicture['image_mime'] = ''; 2185 do { 2186 $next_byte_pair = substr($data, $offset, 2); 2187 $offset += 2; 2188 $WMpicture['image_mime'] .= $next_byte_pair; 2189 } while ($next_byte_pair !== "\x00\x00"); 2190 2191 $WMpicture['image_description'] = ''; 2192 do { 2193 $next_byte_pair = substr($data, $offset, 2); 2194 $offset += 2; 2195 $WMpicture['image_description'] .= $next_byte_pair; 2196 } while ($next_byte_pair !== "\x00\x00"); 2197 2198 $WMpicture['dataoffset'] = $offset; 2199 $WMpicture['data'] = substr($data, $offset); 2200 2201 $imageinfo = array(); 2202 $WMpicture['image_mime'] = ''; 2203 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo); 2204 unset($imageinfo); 2205 if (!empty($imagechunkcheck)) { 2206 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 2207 } 2208 if (!isset($this->getid3->info['asf']['comments']['picture'])) { 2209 $this->getid3->info['asf']['comments']['picture'] = array(); 2210 } 2211 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']); 2212 2213 return $WMpicture; 2214 } 2215 2216 /** 2217 * Remove terminator 00 00 and convert UTF-16LE to Latin-1. 2218 * 2219 * @param string $string 2220 * 2221 * @return string 2222 */ 2223 public static function TrimConvert($string) { 2224 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' '); 2225 } 2226 2227 /** 2228 * Remove terminator 00 00. 2229 * 2230 * @param string $string 2231 * 2232 * @return string 2233 */ 2234 public static function TrimTerm($string) { 2235 // remove terminator, only if present (it should be, but...) 2236 if (substr($string, -2) === "\x00\x00") { 2237 $string = substr($string, 0, -2); 2238 } 2239 return $string; 2240 } 2241 2242 }
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| Generated : Sat Nov 23 08:20:01 2024 | Cross-referenced by PHPXref |