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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']; // @phpstan-ignore-line 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 $offset += 2; 502 if ($thisfile_asf_scriptcommandobject['command_types_count'] > 0) { 503 $thisfile_asf_scriptcommandobject['command_types'] = array(); 504 for ($CommandTypesCounter = 0; $CommandTypesCounter < (int) $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) { 505 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 506 $offset += 2; 507 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter] = array(); 508 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 509 $offset += $CommandTypeNameLength; 510 } 511 } 512 for ($CommandsCounter = 0; $CommandsCounter < (int) $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) { 513 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 514 $offset += 4; 515 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 516 $offset += 2; 517 518 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character 519 $offset += 2; 520 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength); 521 $offset += $CommandTypeNameLength; 522 } 523 break; 524 525 case GETID3_ASF_Marker_Object: 526 // Marker Object: (optional, one only) 527 // Field Name Field Type Size (bits) 528 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object 529 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header 530 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB 531 // Markers Count DWORD 32 // number of Marker structures in Marker Object 532 // Reserved WORD 16 // hardcoded: 0x0000 533 // Name Length WORD 16 // number of bytes in the Name field 534 // Name WCHAR variable // name of the Marker Object 535 // Markers array of: variable // 536 // * Offset QWORD 64 // byte offset into Data Object 537 // * Presentation Time QWORD 64 // in 100-nanosecond units 538 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding) 539 // * Send Time DWORD 32 // in milliseconds 540 // * Flags DWORD 32 // hardcoded: 0x00000000 541 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field 542 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry 543 // * Padding BYTESTREAM variable // optional padding bytes 544 545 // shortcut 546 $thisfile_asf['marker_object'] = array(); 547 $thisfile_asf_markerobject = &$thisfile_asf['marker_object']; 548 549 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset; 550 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID; 551 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext; 552 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize; 553 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16); 554 $offset += 16; 555 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']); 556 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) { 557 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}'); 558 break; 559 } 560 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 561 /** @var int|float|false $totalMakersCount */ 562 $totalMakersCount = $thisfile_asf_markerobject['markers_count']; 563 $offset += 4; 564 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 565 $offset += 2; 566 if ($thisfile_asf_markerobject['reserved_2'] != 0) { 567 $this->warning('marker_object.reserved_2 ('.$thisfile_asf_markerobject['reserved_2'].') does not match expected value of "0"'); 568 break; 569 } 570 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 571 $offset += 2; 572 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']); 573 $offset += $thisfile_asf_markerobject['name_length']; 574 for ($MarkersCounter = 0; $MarkersCounter < $totalMakersCount; $MarkersCounter++) { 575 $thisfile_asf_markerobject['markers'][$MarkersCounter] = array(); 576 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 577 $offset += 8; 578 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8)); 579 $offset += 8; 580 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 581 $offset += 2; 582 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 583 $offset += 4; 584 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 585 $offset += 4; 586 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 587 $offset += 4; 588 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']); 589 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 590 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']; 591 if ($PaddingLength > 0) { 592 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength); 593 $offset += $PaddingLength; 594 } 595 } 596 break; 597 598 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object: 599 // Bitrate Mutual Exclusion Object: (optional) 600 // Field Name Field Type Size (bits) 601 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object 602 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header 603 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown) 604 // Stream Numbers Count WORD 16 // number of video streams 605 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127 606 607 // shortcut 608 $thisfile_asf['bitrate_mutual_exclusion_object'] = array(); 609 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object']; 610 611 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset; 612 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID; 613 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext; 614 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize; 615 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16); 616 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']); 617 $offset += 16; 618 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) { 619 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}'); 620 //return false; 621 break; 622 } 623 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 624 $offset += 2; 625 for ($StreamNumberCounter = 0; $StreamNumberCounter < (int) $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) { 626 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 627 $offset += 2; 628 } 629 break; 630 631 case GETID3_ASF_Error_Correction_Object: 632 // Error Correction Object: (optional, one only) 633 // Field Name Field Type Size (bits) 634 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object 635 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header 636 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread) 637 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field 638 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field 639 640 // shortcut 641 $thisfile_asf['error_correction_object'] = array(); 642 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object']; 643 644 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset; 645 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID; 646 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext; 647 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize; 648 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16); 649 $offset += 16; 650 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']); 651 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 652 $offset += 4; 653 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) { 654 case GETID3_ASF_No_Error_Correction: 655 // should be no data, but just in case there is, skip to the end of the field 656 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length']; 657 break; 658 659 case GETID3_ASF_Audio_Spread: 660 // Field Name Field Type Size (bits) 661 // Span BYTE 8 // number of packets over which audio will be spread. 662 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream 663 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream 664 // Silence Data Length WORD 16 // number of bytes in Silence Data field 665 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes 666 667 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1)); 668 $offset += 1; 669 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 670 $offset += 2; 671 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 672 $offset += 2; 673 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 674 $offset += 2; 675 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']); 676 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length']; 677 break; 678 679 default: 680 $this->warning('error_correction_object.error_correction_type GUID {'.$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).'}'); 681 //return false; 682 break; 683 } 684 685 break; 686 687 case GETID3_ASF_Content_Description_Object: 688 // Content Description Object: (optional, one only) 689 // Field Name Field Type Size (bits) 690 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object 691 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header 692 // Title Length WORD 16 // number of bytes in Title field 693 // Author Length WORD 16 // number of bytes in Author field 694 // Copyright Length WORD 16 // number of bytes in Copyright field 695 // Description Length WORD 16 // number of bytes in Description field 696 // Rating Length WORD 16 // number of bytes in Rating field 697 // Title WCHAR 16 // array of Unicode characters - Title 698 // Author WCHAR 16 // array of Unicode characters - Author 699 // Copyright WCHAR 16 // array of Unicode characters - Copyright 700 // Description WCHAR 16 // array of Unicode characters - Description 701 // Rating WCHAR 16 // array of Unicode characters - Rating 702 703 // shortcut 704 $thisfile_asf['content_description_object'] = array(); 705 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object']; 706 707 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset; 708 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID; 709 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 710 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize; 711 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 712 $offset += 2; 713 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 714 $offset += 2; 715 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 716 $offset += 2; 717 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 718 $offset += 2; 719 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 720 $offset += 2; 721 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']); 722 $offset += $thisfile_asf_contentdescriptionobject['title_length']; 723 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']); 724 $offset += $thisfile_asf_contentdescriptionobject['author_length']; 725 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']); 726 $offset += $thisfile_asf_contentdescriptionobject['copyright_length']; 727 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']); 728 $offset += $thisfile_asf_contentdescriptionobject['description_length']; 729 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']); 730 $offset += $thisfile_asf_contentdescriptionobject['rating_length']; 731 732 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating'); 733 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) { 734 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) { 735 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]); 736 } 737 } 738 break; 739 740 case GETID3_ASF_Extended_Content_Description_Object: 741 // Extended Content Description Object: (optional, one only) 742 // Field Name Field Type Size (bits) 743 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object 744 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header 745 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list 746 // Content Descriptors array of: variable // 747 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field 748 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name 749 // * Descriptor Value Data Type WORD 16 // Lookup array: 750 // 0x0000 = Unicode String (variable length) 751 // 0x0001 = BYTE array (variable length) 752 // 0x0002 = BOOL (DWORD, 32 bits) 753 // 0x0003 = DWORD (DWORD, 32 bits) 754 // 0x0004 = QWORD (QWORD, 64 bits) 755 // 0x0005 = WORD (WORD, 16 bits) 756 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field 757 // * Descriptor Value variable variable // value for Content Descriptor 758 759 // shortcut 760 $thisfile_asf['extended_content_description_object'] = array(); 761 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object']; 762 763 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset; 764 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID; 765 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext; 766 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize; 767 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 768 $offset += 2; 769 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < (int) $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) { 770 // shortcut 771 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array(); 772 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter]; 773 774 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30; 775 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 776 $offset += 2; 777 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']); 778 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']; 779 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 780 $offset += 2; 781 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 782 $offset += 2; 783 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']); 784 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']; 785 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 786 case 0x0000: // Unicode string 787 break; 788 789 case 0x0001: // BYTE array 790 // do nothing 791 break; 792 793 case 0x0002: // BOOL 794 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 795 break; 796 797 case 0x0003: // DWORD 798 case 0x0004: // QWORD 799 case 0x0005: // WORD 800 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 801 break; 802 803 default: 804 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')'); 805 //return false; 806 break; 807 } 808 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) { 809 810 case 'wm/albumartist': 811 case 'artist': 812 // Note: not 'artist', that comes from 'author' tag 813 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 814 break; 815 816 case 'wm/albumtitle': 817 case 'album': 818 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 819 break; 820 821 case 'wm/genre': 822 case 'genre': 823 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 824 break; 825 826 case 'wm/partofset': 827 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 828 break; 829 830 case 'wm/tracknumber': 831 case 'tracknumber': 832 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character) 833 $thisfile_asf_comments['track_number'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 834 foreach ($thisfile_asf_comments['track_number'] as $key => $value) { 835 if (preg_match('/^[0-9\x00]+$/', $value)) { 836 $thisfile_asf_comments['track_number'][$key] = intval(str_replace("\x00", '', $value)); 837 } 838 } 839 break; 840 841 case 'wm/track': 842 if (empty($thisfile_asf_comments['track_number'])) { 843 $thisfile_asf_comments['track_number'] = array(1 + (int) $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 844 } 845 break; 846 847 case 'wm/year': 848 case 'year': 849 case 'date': 850 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 851 break; 852 853 case 'wm/lyrics': 854 case 'lyrics': 855 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 856 break; 857 858 case 'isvbr': 859 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) { 860 $thisfile_audio['bitrate_mode'] = 'vbr'; 861 $thisfile_video['bitrate_mode'] = 'vbr'; 862 } 863 break; 864 865 case 'id3': 866 $this->getid3->include_module('tag.id3v2'); 867 868 $getid3_id3v2 = new getid3_id3v2($this->getid3); 869 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 870 unset($getid3_id3v2); 871 872 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) { 873 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>'; 874 } 875 break; 876 877 case 'wm/encodingtime': 878 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 879 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']); 880 break; 881 882 case 'wm/picture': 883 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 884 foreach ($WMpicture as $key => $value) { 885 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value; 886 } 887 unset($WMpicture); 888 /* 889 $wm_picture_offset = 0; 890 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1)); 891 $wm_picture_offset += 1; 892 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']); 893 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4)); 894 $wm_picture_offset += 4; 895 896 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 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_mime'] .= $next_byte_pair; 901 } while ($next_byte_pair !== "\x00\x00"); 902 903 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = ''; 904 do { 905 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2); 906 $wm_picture_offset += 2; 907 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair; 908 } while ($next_byte_pair !== "\x00\x00"); 909 910 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset; 911 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset); 912 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']); 913 914 $imageinfo = array(); 915 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = ''; 916 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo); 917 unset($imageinfo); 918 if (!empty($imagechunkcheck)) { 919 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 920 } 921 if (!isset($thisfile_asf_comments['picture'])) { 922 $thisfile_asf_comments['picture'] = array(); 923 } 924 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']); 925 */ 926 break; 927 928 default: 929 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) { 930 case 0: // Unicode string 931 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') { 932 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])); 933 } 934 break; 935 936 case 1: 937 break; 938 } 939 break; 940 } 941 942 } 943 break; 944 945 case GETID3_ASF_Stream_Bitrate_Properties_Object: 946 // Stream Bitrate Properties Object: (optional, one only) 947 // Field Name Field Type Size (bits) 948 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object 949 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header 950 // Bitrate Records Count WORD 16 // number of records in Bitrate Records 951 // Bitrate Records array of: variable // 952 // * Flags WORD 16 // 953 // * * Stream Number bits 7 (0x007F) // number of this stream 954 // * * Reserved bits 9 (0xFF80) // hardcoded: 0 955 // * Average Bitrate DWORD 32 // in bits per second 956 957 // shortcut 958 $thisfile_asf['stream_bitrate_properties_object'] = array(); 959 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object']; 960 961 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset; 962 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID; 963 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext; 964 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize; 965 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 966 $offset += 2; 967 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < (int) $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 968 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter] = array(); 969 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); 970 $offset += 2; 971 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F; 972 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4)); 973 $offset += 4; 974 } 975 break; 976 977 case GETID3_ASF_Padding_Object: 978 // Padding Object: (optional) 979 // Field Name Field Type Size (bits) 980 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object 981 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header 982 // Padding Data BYTESTREAM variable // ignore 983 984 // shortcut 985 $thisfile_asf['padding_object'] = array(); 986 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object']; 987 988 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset; 989 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID; 990 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext; 991 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize; 992 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8; 993 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']); 994 $offset += ($NextObjectSize - 16 - 8); 995 break; 996 997 case GETID3_ASF_Extended_Content_Encryption_Object: 998 case GETID3_ASF_Content_Encryption_Object: 999 // WMA DRM - just ignore 1000 $offset += ($NextObjectSize - 16 - 8); 1001 break; 1002 1003 default: 1004 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 1005 if ($this->GUIDname($NextObjectGUIDtext)) { 1006 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 1007 } else { 1008 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8)); 1009 } 1010 $offset += ($NextObjectSize - 16 - 8); 1011 break; 1012 } 1013 } 1014 if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) { 1015 $ASFbitrateAudio = 0; 1016 $ASFbitrateVideo = 0; 1017 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < (int) $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) { 1018 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) { 1019 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) { 1020 case 1: 1021 $ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 1022 break; 1023 1024 case 2: 1025 $ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate']; 1026 break; 1027 1028 default: 1029 // do nothing 1030 break; 1031 } 1032 } 1033 } 1034 if ($ASFbitrateAudio > 0) { 1035 $thisfile_audio['bitrate'] = $ASFbitrateAudio; 1036 } 1037 if ($ASFbitrateVideo > 0) { 1038 $thisfile_video['bitrate'] = $ASFbitrateVideo; 1039 } 1040 } 1041 if (isset($thisfile_asf['stream_properties_object'])) { 1042 1043 $thisfile_audio['bitrate'] = 0; 1044 $thisfile_video['bitrate'] = 0; 1045 1046 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) { 1047 1048 switch ($streamdata['stream_type']) { 1049 case GETID3_ASF_Audio_Media: 1050 // Field Name Field Type Size (bits) 1051 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure 1052 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure 1053 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure 1054 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure 1055 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure 1056 // 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 1057 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure 1058 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1059 1060 // shortcut 1061 $thisfile_asf['audio_media'][$streamnumber] = array(); 1062 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber]; 1063 1064 $audiomediaoffset = 0; 1065 1066 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16)); 1067 $audiomediaoffset += 16; 1068 1069 $thisfile_audio['lossless'] = false; 1070 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) { 1071 case 0x0001: // PCM 1072 case 0x0163: // WMA9 Lossless 1073 $thisfile_audio['lossless'] = true; 1074 break; 1075 } 1076 1077 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line 1078 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { // @phpstan-ignore-line 1079 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1080 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1081 $thisfile_audio['bitrate'] += $dataarray['bitrate']; 1082 break; 1083 } 1084 } 1085 } else { 1086 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) { 1087 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8; 1088 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) { 1089 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate']; 1090 } 1091 } 1092 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream; 1093 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']; 1094 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless']; 1095 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; 1096 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma'; 1097 unset($thisfile_audio['streams'][$streamnumber]['raw']); 1098 1099 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2)); 1100 $audiomediaoffset += 2; 1101 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']); 1102 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size']; 1103 1104 break; 1105 1106 case GETID3_ASF_Video_Media: 1107 // Field Name Field Type Size (bits) 1108 // Encoded Image Width DWORD 32 // width of image in pixels 1109 // Encoded Image Height DWORD 32 // height of image in pixels 1110 // Reserved Flags BYTE 8 // hardcoded: 0x02 1111 // Format Data Size WORD 16 // size of Format Data field in bytes 1112 // Format Data array of: variable // 1113 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure 1114 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure 1115 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure 1116 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure 1117 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure 1118 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure 1119 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure 1120 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure 1121 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure 1122 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure 1123 // * 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 1124 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes 1125 1126 // shortcut 1127 $thisfile_asf['video_media'][$streamnumber] = array(); 1128 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber]; 1129 1130 $videomediaoffset = 0; 1131 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1132 $videomediaoffset += 4; 1133 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1134 $videomediaoffset += 4; 1135 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1)); 1136 $videomediaoffset += 1; 1137 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1138 $videomediaoffset += 2; 1139 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1140 $videomediaoffset += 4; 1141 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1142 $videomediaoffset += 4; 1143 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1144 $videomediaoffset += 4; 1145 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1146 $videomediaoffset += 2; 1147 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2)); 1148 $videomediaoffset += 2; 1149 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4); 1150 $videomediaoffset += 4; 1151 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1152 $videomediaoffset += 4; 1153 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1154 $videomediaoffset += 4; 1155 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1156 $videomediaoffset += 4; 1157 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1158 $videomediaoffset += 4; 1159 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4)); 1160 $videomediaoffset += 4; 1161 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset); 1162 1163 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line 1164 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) { // @phpstan-ignore-line 1165 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) { 1166 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate']; 1167 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate']; 1168 $thisfile_video['bitrate'] += $dataarray['bitrate']; 1169 break; 1170 } 1171 } 1172 } 1173 1174 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']); 1175 1176 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']; 1177 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec']; 1178 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width']; 1179 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height']; 1180 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']; 1181 break; 1182 1183 default: 1184 break; 1185 } 1186 } 1187 } 1188 1189 while ($this->ftell() < $info['avdataend']) { 1190 $NextObjectDataHeader = $this->fread(24); 1191 $offset = 0; 1192 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16); 1193 $offset += 16; 1194 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID); 1195 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8)); 1196 $offset += 8; 1197 1198 switch ($NextObjectGUID) { 1199 case GETID3_ASF_Data_Object: 1200 // Data Object: (mandatory, one only) 1201 // Field Name Field Type Size (bits) 1202 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object 1203 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1 1204 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object 1205 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1 1206 // Reserved WORD 16 // hardcoded: 0x0101 1207 1208 // shortcut 1209 $thisfile_asf['data_object'] = array(); 1210 $thisfile_asf_dataobject = &$thisfile_asf['data_object']; 1211 1212 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24); 1213 $offset = 24; 1214 1215 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID; 1216 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext; 1217 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize; 1218 1219 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16); 1220 $offset += 16; 1221 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']); 1222 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8)); 1223 $offset += 8; 1224 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2)); 1225 $offset += 2; 1226 if ($thisfile_asf_dataobject['reserved'] != 0x0101) { 1227 $this->warning('data_object.reserved (0x'.sprintf('%04X', $thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"'); 1228 //return false; 1229 break; 1230 } 1231 1232 // Data Packets array of: variable // 1233 // * Error Correction Flags BYTE 8 // 1234 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000 1235 // * * Opaque Data Present bits 1 // 1236 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00 1237 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure 1238 // * Error Correction Data 1239 1240 $info['avdataoffset'] = $this->ftell(); 1241 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data 1242 $info['avdataend'] = $this->ftell(); 1243 break; 1244 1245 case GETID3_ASF_Simple_Index_Object: 1246 // Simple Index Object: (optional, recommended, one per video stream) 1247 // Field Name Field Type Size (bits) 1248 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object 1249 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header 1250 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object 1251 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units 1252 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries 1253 // Index Entries Count DWORD 32 // number of Index Entries structures 1254 // Index Entries array of: variable // 1255 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry 1256 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry 1257 1258 // shortcut 1259 $thisfile_asf['simple_index_object'] = array(); 1260 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object']; 1261 1262 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24); 1263 $offset = 24; 1264 1265 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID; 1266 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext; 1267 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize; 1268 1269 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16); 1270 $offset += 16; 1271 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']); 1272 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8)); 1273 $offset += 8; 1274 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1275 $offset += 4; 1276 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4)); 1277 /** @var int|float|false $totalIndexEntriesCount */ 1278 $totalIndexEntriesCount = $thisfile_asf_simpleindexobject['index_entries_count']; 1279 $offset += 4; 1280 1281 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $totalIndexEntriesCount); 1282 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $totalIndexEntriesCount; $IndexEntriesCounter++) { 1283 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter] = array(); 1284 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1285 $offset += 4; 1286 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4)); 1287 $offset += 2; 1288 } 1289 1290 break; 1291 1292 case GETID3_ASF_Index_Object: 1293 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1) 1294 // Field Name Field Type Size (bits) 1295 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object 1296 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header 1297 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms. 1298 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object. 1299 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object. 1300 1301 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0. 1302 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. 1303 // Index Specifiers array of: varies // 1304 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. 1305 // * Index Type WORD 16 // Specifies Index Type values as follows: 1306 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time. 1307 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object. 1308 // 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. 1309 // Nearest Past Cleanpoint is the most common type of index. 1310 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block. 1311 // * 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. 1312 // * Index Entries array of: varies // 1313 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value 1314 1315 // shortcut 1316 $thisfile_asf['asf_index_object'] = array(); 1317 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object']; 1318 1319 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24); 1320 $offset = 24; 1321 1322 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID; 1323 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext; 1324 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize; 1325 1326 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1327 $offset += 4; 1328 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1329 $offset += 2; 1330 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1331 $offset += 4; 1332 1333 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1334 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < (int) $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1335 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1336 $offset += 2; 1337 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter] = array(); 1338 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber; 1339 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2)); 1340 $offset += 2; 1341 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']); 1342 } 1343 1344 $ASFIndexObjectData .= $this->fread(4); 1345 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1346 /** @var int|float|false $totalIndexEntryCount */ 1347 $totalIndexEntryCount = $thisfile_asf_asfindexobject['index_entry_count']; 1348 $offset += 4; 1349 1350 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']); 1351 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < (int) $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1352 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8)); 1353 $offset += 8; 1354 } 1355 1356 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']); 1357 for ($IndexEntryCounter = 0; $IndexEntryCounter < $totalIndexEntryCount; $IndexEntryCounter++) { 1358 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < (int) $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) { 1359 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4)); 1360 $offset += 4; 1361 } 1362 } 1363 break; 1364 1365 1366 default: 1367 // Implementations shall ignore any standard or non-standard object that they do not know how to handle. 1368 if ($this->GUIDname($NextObjectGUIDtext)) { 1369 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8)); 1370 } else { 1371 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8)); 1372 } 1373 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR); 1374 break; 1375 } 1376 } 1377 1378 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) { 1379 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1380 switch ($streamdata['information']) { 1381 case 'WMV1': 1382 case 'WMV2': 1383 case 'WMV3': 1384 case 'MSS1': 1385 case 'MSS2': 1386 case 'WMVA': 1387 case 'WVC1': 1388 case 'WMVP': 1389 case 'WVP2': 1390 $thisfile_video['dataformat'] = 'wmv'; 1391 $info['mime_type'] = 'video/x-ms-wmv'; 1392 break; 1393 1394 case 'MP42': 1395 case 'MP43': 1396 case 'MP4S': 1397 case 'mp4s': 1398 $thisfile_video['dataformat'] = 'asf'; 1399 $info['mime_type'] = 'video/x-ms-asf'; 1400 break; 1401 1402 default: 1403 switch ($streamdata['type_raw']) { 1404 case 1: 1405 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1406 $thisfile_video['dataformat'] = 'wmv'; 1407 if ($info['mime_type'] == 'video/x-ms-asf') { 1408 $info['mime_type'] = 'video/x-ms-wmv'; 1409 } 1410 } 1411 break; 1412 1413 case 2: 1414 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) { 1415 $thisfile_audio['dataformat'] = 'wma'; 1416 if ($info['mime_type'] == 'video/x-ms-asf') { 1417 $info['mime_type'] = 'audio/x-ms-wma'; 1418 } 1419 } 1420 break; 1421 1422 } 1423 break; 1424 } 1425 } 1426 } 1427 1428 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') { 1429 case 'MPEG Layer-3': 1430 $thisfile_audio['dataformat'] = 'mp3'; 1431 break; 1432 1433 default: 1434 break; 1435 } 1436 1437 if (isset($thisfile_asf_codeclistobject['codec_entries'])) { 1438 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) { 1439 switch ($streamdata['type_raw']) { 1440 1441 case 1: // video 1442 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1443 break; 1444 1445 case 2: // audio 1446 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']); 1447 1448 // AH 2003-10-01 1449 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']); 1450 1451 $thisfile_audio['codec'] = $thisfile_audio['encoder']; 1452 break; 1453 1454 default: 1455 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']); 1456 break; 1457 1458 } 1459 } 1460 } 1461 1462 if (isset($info['audio'])) { 1463 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1464 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf'); 1465 } 1466 if (!empty($thisfile_video['dataformat'])) { 1467 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false); 1468 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1); 1469 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf'); 1470 } 1471 if (!empty($thisfile_video['streams'])) { 1472 $thisfile_video['resolution_x'] = 0; 1473 $thisfile_video['resolution_y'] = 0; 1474 foreach ($thisfile_video['streams'] as $key => $valuearray) { 1475 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) { 1476 $thisfile_video['resolution_x'] = $valuearray['resolution_x']; 1477 $thisfile_video['resolution_y'] = $valuearray['resolution_y']; 1478 } 1479 } 1480 } 1481 $info['bitrate'] = 0 + (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0); 1482 1483 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) { 1484 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8); 1485 } 1486 1487 return true; 1488 } 1489 1490 /** 1491 * @param int $CodecListType 1492 * 1493 * @return string 1494 */ 1495 public static function codecListObjectTypeLookup($CodecListType) { 1496 static $lookup = array( 1497 0x0001 => 'Video Codec', 1498 0x0002 => 'Audio Codec', 1499 0xFFFF => 'Unknown Codec' 1500 ); 1501 1502 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type'); 1503 } 1504 1505 /** 1506 * @return array 1507 */ 1508 public static function KnownGUIDs() { 1509 static $GUIDarray = array( 1510 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A', 1511 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8', 1512 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8', 1513 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6', 1514 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B', 1515 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E', 1516 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E', 1517 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E', 1518 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C', 1519 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB', 1520 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B', 1521 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E', 1522 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343', 1523 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C', 1524 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054', 1525 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6', 1526 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB', 1527 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6', 1528 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365', 1529 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7', 1530 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C', 1531 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C', 1532 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C', 1533 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C', 1534 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC', 1535 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2', 1536 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85', 1537 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6', 1538 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6', 1539 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365', 1540 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185', 1541 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95', 1542 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD', 1543 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9', 1544 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365', 1545 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9', 1546 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9', 1547 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B', 1548 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365', 1549 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B', 1550 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220', 1551 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA', 1552 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD', 1553 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249', 1554 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850', 1555 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24', 1556 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC', 1557 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE', 1558 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE', 1559 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE', 1560 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE', 1561 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE', 1562 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE', 1563 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE', 1564 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE', 1565 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE', 1566 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE', 1567 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE', 1568 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE', 1569 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE', 1570 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE', 1571 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE', 1572 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE', 1573 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE', 1574 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE', 1575 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE', 1576 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE', 1577 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE', 1578 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE', 1579 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE', 1580 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE', 1581 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE', 1582 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE', 1583 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE', 1584 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE', 1585 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE', 1586 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE', 1587 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE', 1588 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE', 1589 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE', 1590 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE', 1591 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE', 1592 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE', 1593 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE', 1594 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE', 1595 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE', 1596 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE', 1597 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE', 1598 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE', 1599 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE', 1600 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE', 1601 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE', 1602 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE', 1603 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE', 1604 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE', 1605 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE', 1606 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE', 1607 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE', 1608 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE', 1609 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C', 1610 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B', 1611 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365', 1612 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24', 1613 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B', 1614 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C', 1615 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE', 1616 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm 1617 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm 1618 'GETID3_ASF_Media_Object_Index_Parameters_Object'=> '6B203BAD-3F11-48E4-ACA8-D7613DE2CFA7', 1619 ); 1620 return $GUIDarray; 1621 } 1622 1623 /** 1624 * @param string $GUIDstring 1625 * 1626 * @return string|false 1627 */ 1628 public static function GUIDname($GUIDstring) { 1629 static $GUIDarray = array(); 1630 if (empty($GUIDarray)) { 1631 $GUIDarray = self::KnownGUIDs(); 1632 } 1633 return array_search($GUIDstring, $GUIDarray); 1634 } 1635 1636 /** 1637 * @param int $id 1638 * 1639 * @return string 1640 */ 1641 public static function ASFIndexObjectIndexTypeLookup($id) { 1642 static $ASFIndexObjectIndexTypeLookup = array(); 1643 if (empty($ASFIndexObjectIndexTypeLookup)) { 1644 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet'; 1645 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object'; 1646 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint'; 1647 } 1648 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid'); 1649 } 1650 1651 /** 1652 * @param string $GUIDstring 1653 * 1654 * @return string 1655 */ 1656 public static function GUIDtoBytestring($GUIDstring) { 1657 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way: 1658 // first 4 bytes are in little-endian order 1659 // next 2 bytes are appended in little-endian order 1660 // next 2 bytes are appended in little-endian order 1661 // next 2 bytes are appended in big-endian order 1662 // next 6 bytes are appended in big-endian order 1663 1664 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string: 1665 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp 1666 1667 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2))); 1668 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2))); 1669 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2))); 1670 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2))); 1671 1672 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2))); 1673 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2))); 1674 1675 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2))); 1676 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2))); 1677 1678 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2))); 1679 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2))); 1680 1681 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2))); 1682 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2))); 1683 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2))); 1684 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2))); 1685 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2))); 1686 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2))); 1687 1688 return $hexbytecharstring; 1689 } 1690 1691 /** 1692 * @param string $Bytestring 1693 * 1694 * @return string 1695 */ 1696 public static function BytestringToGUID($Bytestring) { 1697 $GUIDstring = str_pad(dechex(ord($Bytestring[3])), 2, '0', STR_PAD_LEFT); 1698 $GUIDstring .= str_pad(dechex(ord($Bytestring[2])), 2, '0', STR_PAD_LEFT); 1699 $GUIDstring .= str_pad(dechex(ord($Bytestring[1])), 2, '0', STR_PAD_LEFT); 1700 $GUIDstring .= str_pad(dechex(ord($Bytestring[0])), 2, '0', STR_PAD_LEFT); 1701 $GUIDstring .= '-'; 1702 $GUIDstring .= str_pad(dechex(ord($Bytestring[5])), 2, '0', STR_PAD_LEFT); 1703 $GUIDstring .= str_pad(dechex(ord($Bytestring[4])), 2, '0', STR_PAD_LEFT); 1704 $GUIDstring .= '-'; 1705 $GUIDstring .= str_pad(dechex(ord($Bytestring[7])), 2, '0', STR_PAD_LEFT); 1706 $GUIDstring .= str_pad(dechex(ord($Bytestring[6])), 2, '0', STR_PAD_LEFT); 1707 $GUIDstring .= '-'; 1708 $GUIDstring .= str_pad(dechex(ord($Bytestring[8])), 2, '0', STR_PAD_LEFT); 1709 $GUIDstring .= str_pad(dechex(ord($Bytestring[9])), 2, '0', STR_PAD_LEFT); 1710 $GUIDstring .= '-'; 1711 $GUIDstring .= str_pad(dechex(ord($Bytestring[10])), 2, '0', STR_PAD_LEFT); 1712 $GUIDstring .= str_pad(dechex(ord($Bytestring[11])), 2, '0', STR_PAD_LEFT); 1713 $GUIDstring .= str_pad(dechex(ord($Bytestring[12])), 2, '0', STR_PAD_LEFT); 1714 $GUIDstring .= str_pad(dechex(ord($Bytestring[13])), 2, '0', STR_PAD_LEFT); 1715 $GUIDstring .= str_pad(dechex(ord($Bytestring[14])), 2, '0', STR_PAD_LEFT); 1716 $GUIDstring .= str_pad(dechex(ord($Bytestring[15])), 2, '0', STR_PAD_LEFT); 1717 1718 return strtoupper($GUIDstring); 1719 } 1720 1721 /** 1722 * @param int $FILETIME 1723 * @param bool $round 1724 * 1725 * @return float|int 1726 */ 1727 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) { 1728 // FILETIME is a 64-bit unsigned integer representing 1729 // the number of 100-nanosecond intervals since January 1, 1601 1730 // UNIX timestamp is number of seconds since January 1, 1970 1731 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days 1732 if ($round) { 1733 return intval(round(($FILETIME - 116444736000000000) / 10000000)); 1734 } 1735 return ($FILETIME - 116444736000000000) / 10000000; 1736 } 1737 1738 /** 1739 * @param int $WMpictureType 1740 * 1741 * @return string 1742 */ 1743 public static function WMpictureTypeLookup($WMpictureType) { 1744 static $lookup = null; 1745 if ($lookup === null) { 1746 $lookup = array( 1747 0x03 => 'Front Cover', 1748 0x04 => 'Back Cover', 1749 0x00 => 'User Defined', 1750 0x05 => 'Leaflet Page', 1751 0x06 => 'Media Label', 1752 0x07 => 'Lead Artist', 1753 0x08 => 'Artist', 1754 0x09 => 'Conductor', 1755 0x0A => 'Band', 1756 0x0B => 'Composer', 1757 0x0C => 'Lyricist', 1758 0x0D => 'Recording Location', 1759 0x0E => 'During Recording', 1760 0x0F => 'During Performance', 1761 0x10 => 'Video Screen Capture', 1762 0x12 => 'Illustration', 1763 0x13 => 'Band Logotype', 1764 0x14 => 'Publisher Logotype' 1765 ); 1766 $lookup = array_map(function($str) { 1767 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str); 1768 }, $lookup); 1769 } 1770 1771 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : ''); 1772 } 1773 1774 /** 1775 * @param string $asf_header_extension_object_data 1776 * @param int $unhandled_sections 1777 * 1778 * @return array 1779 */ 1780 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) { 1781 // https://web.archive.org/web/20140419205228/http://msdn.microsoft.com/en-us/library/bb643323.aspx 1782 1783 $offset = 0; 1784 $objectOffset = 0; 1785 $HeaderExtensionObjectParsed = array(); 1786 while ($objectOffset < strlen($asf_header_extension_object_data)) { 1787 $offset = $objectOffset; 1788 $thisObject = array(); 1789 1790 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16); 1791 $offset += 16; 1792 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']); 1793 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']); 1794 1795 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1796 $offset += 8; 1797 if ($thisObject['size'] <= 0) { 1798 break; 1799 } 1800 1801 switch ($thisObject['guid']) { 1802 case GETID3_ASF_Extended_Stream_Properties_Object: 1803 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1804 $offset += 8; 1805 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']); 1806 1807 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1808 $offset += 8; 1809 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']); 1810 1811 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1812 $offset += 4; 1813 1814 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1815 $offset += 4; 1816 1817 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1818 $offset += 4; 1819 1820 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1821 $offset += 4; 1822 1823 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1824 $offset += 4; 1825 1826 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1827 $offset += 4; 1828 1829 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1830 $offset += 4; 1831 1832 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1833 $offset += 4; 1834 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001; 1835 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002; 1836 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004; 1837 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008; 1838 1839 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1840 $offset += 2; 1841 1842 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1843 $offset += 2; 1844 1845 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8)); 1846 $offset += 8; 1847 1848 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1849 $offset += 2; 1850 1851 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1852 $offset += 2; 1853 1854 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) { 1855 $streamName = array(); 1856 1857 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1858 $offset += 2; 1859 1860 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1861 $offset += 2; 1862 1863 $streamName['stream_name'] = substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']); 1864 $offset += $streamName['stream_name_length']; 1865 1866 $thisObject['stream_names'][$i] = $streamName; 1867 } 1868 1869 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) { 1870 $payloadExtensionSystem = array(); 1871 1872 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16); 1873 $offset += 16; 1874 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']); 1875 1876 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1877 $offset += 2; 1878 if ($payloadExtensionSystem['extension_system_size'] <= 0) { 1879 break 2; 1880 } 1881 1882 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1883 $offset += 4; 1884 1885 $payloadExtensionSystem['extension_system_info'] = substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']); 1886 $offset += $payloadExtensionSystem['extension_system_info_length']; 1887 1888 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem; 1889 } 1890 1891 break; 1892 1893 case GETID3_ASF_Advanced_Mutual_Exclusion_Object: 1894 $thisObject['exclusion_type'] = substr($asf_header_extension_object_data, $offset, 16); 1895 $offset += 16; 1896 $thisObject['exclusion_type_text'] = $this->BytestringToGUID($thisObject['exclusion_type']); 1897 1898 $thisObject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1899 $offset += 2; 1900 1901 for ($i = 0; $i < $thisObject['stream_numbers_count']; $i++) { 1902 $thisObject['stream_numbers'][$i] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1903 $offset += 2; 1904 } 1905 1906 break; 1907 1908 case GETID3_ASF_Stream_Prioritization_Object: 1909 $thisObject['priority_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1910 $offset += 2; 1911 1912 for ($i = 0; $i < $thisObject['priority_records_count']; $i++) { 1913 $priorityRecord = array(); 1914 1915 $priorityRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1916 $offset += 2; 1917 1918 $priorityRecord['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1919 $offset += 2; 1920 $priorityRecord['flags']['mandatory'] = (bool) $priorityRecord['flags_raw'] & 0x00000001; 1921 1922 $thisObject['priority_records'][$i] = $priorityRecord; 1923 } 1924 1925 break; 1926 1927 case GETID3_ASF_Padding_Object: 1928 // padding, skip it 1929 break; 1930 1931 case GETID3_ASF_Metadata_Object: 1932 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1933 $offset += 2; 1934 1935 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) { 1936 $descriptionRecord = array(); 1937 1938 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero 1939 $offset += 2; 1940 1941 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1942 $offset += 2; 1943 1944 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1945 $offset += 2; 1946 1947 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1948 $offset += 2; 1949 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 1950 1951 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 1952 $offset += 4; 1953 1954 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 1955 $offset += $descriptionRecord['name_length']; 1956 1957 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 1958 $offset += $descriptionRecord['data_length']; 1959 switch ($descriptionRecord['data_type']) { 1960 case 0x0000: // Unicode string 1961 break; 1962 1963 case 0x0001: // BYTE array 1964 // do nothing 1965 break; 1966 1967 case 0x0002: // BOOL 1968 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1969 break; 1970 1971 case 0x0003: // DWORD 1972 case 0x0004: // QWORD 1973 case 0x0005: // WORD 1974 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']); 1975 break; 1976 1977 case 0x0006: // GUID 1978 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']); 1979 break; 1980 } 1981 1982 $thisObject['description_record'][$i] = $descriptionRecord; 1983 } 1984 break; 1985 1986 case GETID3_ASF_Language_List_Object: 1987 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 1988 $offset += 2; 1989 1990 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) { 1991 $languageIDrecord = array(); 1992 1993 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 1994 $offset += 1; 1995 1996 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']); 1997 $offset += $languageIDrecord['language_id_length']; 1998 1999 $thisObject['language_id_record'][$i] = $languageIDrecord; 2000 } 2001 break; 2002 2003 case GETID3_ASF_Metadata_Library_Object: 2004 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2005 $offset += 2; 2006 2007 for ($i = 0; $i < $thisObject['description_records_count']; $i++) { 2008 $descriptionRecord = array(); 2009 2010 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2011 $offset += 2; 2012 2013 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2014 $offset += 2; 2015 2016 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2017 $offset += 2; 2018 2019 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2020 $offset += 2; 2021 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']); 2022 2023 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2024 $offset += 4; 2025 2026 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']); 2027 $offset += $descriptionRecord['name_length']; 2028 2029 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']); 2030 $offset += $descriptionRecord['data_length']; 2031 2032 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) { 2033 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']); 2034 foreach ($WMpicture as $key => $value) { 2035 $descriptionRecord['data'] = $WMpicture; 2036 } 2037 unset($WMpicture); 2038 } 2039 2040 $thisObject['description_record'][$i] = $descriptionRecord; 2041 } 2042 break; 2043 2044 case GETID3_ASF_Index_Parameters_Object: 2045 $thisObject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2046 $offset += 4; 2047 2048 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2049 $offset += 2; 2050 2051 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2052 $indexSpecifier = array(); 2053 2054 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2055 $offset += 2; 2056 2057 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2058 $offset += 2; 2059 $indexSpecifier['index_type_text'] = isset(static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2060 ? static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2061 : 'invalid' 2062 ; 2063 2064 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2065 } 2066 2067 break; 2068 2069 case GETID3_ASF_Media_Object_Index_Parameters_Object: 2070 $thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2071 $offset += 4; 2072 2073 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2074 $offset += 2; 2075 2076 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2077 $indexSpecifier = array(); 2078 2079 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2080 $offset += 2; 2081 2082 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2083 $offset += 2; 2084 $indexSpecifier['index_type_text'] = isset(static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2085 ? static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2086 : 'invalid' 2087 ; 2088 2089 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2090 } 2091 2092 break; 2093 2094 case GETID3_ASF_Timecode_Index_Parameters_Object: 2095 // 4.11 Timecode Index Parameters Object (mandatory only if TIMECODE index is present in file, 0 or 1) 2096 // Field name Field type Size (bits) 2097 // Object ID GUID 128 // GUID for the Timecode Index Parameters Object - ASF_Timecode_Index_Parameters_Object 2098 // Object Size QWORD 64 // Specifies the size, in bytes, of the Timecode Index Parameters Object. Valid values are at least 34 bytes. 2099 // Index Entry Count Interval DWORD 32 // This value is ignored for the Timecode Index Parameters Object. 2100 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater. 2101 // Index Specifiers array of: varies // 2102 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127. 2103 // * Index Type WORD 16 // Specifies the type of index. Values are defined as follows (1 is not a valid value): 2104 // 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 2105 // 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. 2106 // Nearest Past Media Object is the most common value 2107 2108 $thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4)); 2109 $offset += 4; 2110 2111 $thisObject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2112 $offset += 2; 2113 2114 for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) { 2115 $indexSpecifier = array(); 2116 2117 $indexSpecifier['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2118 $offset += 2; 2119 2120 $indexSpecifier['index_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); 2121 $offset += 2; 2122 $indexSpecifier['index_type_text'] = isset(static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]) 2123 ? static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']] 2124 : 'invalid' 2125 ; 2126 2127 $thisObject['index_specifiers'][$i] = $indexSpecifier; 2128 } 2129 2130 break; 2131 2132 case GETID3_ASF_Compatibility_Object: 2133 $thisObject['profile'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 2134 $offset += 1; 2135 2136 $thisObject['mode'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1)); 2137 $offset += 1; 2138 2139 break; 2140 2141 default: 2142 $unhandled_sections++; 2143 if ($this->GUIDname($thisObject['guid_text'])) { 2144 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8)); 2145 } else { 2146 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8)); 2147 } 2148 break; 2149 } 2150 $HeaderExtensionObjectParsed[] = $thisObject; 2151 2152 $objectOffset += $thisObject['size']; 2153 } 2154 return $HeaderExtensionObjectParsed; 2155 } 2156 2157 /** 2158 * @param int $id 2159 * 2160 * @return string 2161 */ 2162 public static function metadataLibraryObjectDataTypeLookup($id) { 2163 static $lookup = array( 2164 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters 2165 0x0001 => 'BYTE array', // The type of the data is implementation-specific 2166 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values 2167 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer 2168 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer 2169 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer 2170 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID 2171 ); 2172 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid'); 2173 } 2174 2175 /** 2176 * @param string $data 2177 * 2178 * @return array 2179 */ 2180 public function ASF_WMpicture(&$data) { 2181 //typedef struct _WMPicture{ 2182 // LPWSTR pwszMIMEType; 2183 // BYTE bPictureType; 2184 // LPWSTR pwszDescription; 2185 // DWORD dwDataLen; 2186 // BYTE* pbData; 2187 //} WM_PICTURE; 2188 2189 $WMpicture = array(); 2190 2191 $offset = 0; 2192 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1)); 2193 $offset += 1; 2194 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']); 2195 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4)); 2196 $offset += 4; 2197 2198 $WMpicture['image_mime'] = ''; 2199 do { 2200 $next_byte_pair = substr($data, $offset, 2); 2201 $offset += 2; 2202 $WMpicture['image_mime'] .= $next_byte_pair; 2203 } while ($next_byte_pair !== "\x00\x00"); 2204 2205 $WMpicture['image_description'] = ''; 2206 do { 2207 $next_byte_pair = substr($data, $offset, 2); 2208 $offset += 2; 2209 $WMpicture['image_description'] .= $next_byte_pair; 2210 } while ($next_byte_pair !== "\x00\x00"); 2211 2212 $WMpicture['dataoffset'] = $offset; 2213 $WMpicture['data'] = substr($data, $offset); 2214 2215 $imageinfo = array(); 2216 $WMpicture['image_mime'] = ''; 2217 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo); 2218 unset($imageinfo); 2219 if (!empty($imagechunkcheck)) { 2220 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]); 2221 } 2222 if (!isset($this->getid3->info['asf']['comments']['picture'])) { 2223 $this->getid3->info['asf']['comments']['picture'] = array(); 2224 } 2225 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']); 2226 2227 return $WMpicture; 2228 } 2229 2230 /** 2231 * Remove terminator 00 00 and convert UTF-16LE to Latin-1. 2232 * 2233 * @param string $string 2234 * 2235 * @return string 2236 */ 2237 public static function TrimConvert($string) { 2238 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' '); 2239 } 2240 2241 /** 2242 * Remove terminator 00 00. 2243 * 2244 * @param string $string 2245 * 2246 * @return string 2247 */ 2248 public static function TrimTerm($string) { 2249 // remove terminator, only if present (it should be, but...) 2250 if (substr($string, -2) === "\x00\x00") { 2251 $string = substr($string, 0, -2); 2252 } 2253 return $string; 2254 } 2255 2256 }
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| Generated : Wed Apr 15 08:20:10 2026 | Cross-referenced by PHPXref |