2 /////////////////////////////////////////////////////////////////
3 /// getID3() by James Heinrich <info@getid3.org> //
4 // available at http://getid3.sourceforge.net //
5 // or http://www.getid3.org //
6 // also https://github.com/JamesHeinrich/getID3 //
7 /////////////////////////////////////////////////////////////////
8 // See readme.txt for more details //
9 /////////////////////////////////////////////////////////////////
11 // module.audio-video.asf.php //
12 // module for analyzing ASF, WMA and WMV files //
13 // dependencies: module.audio-video.riff.php //
15 /////////////////////////////////////////////////////////////////
17 getid3_lib
::IncludeDependency(GETID3_INCLUDEPATH
.'module.audio-video.riff.php', __FILE__
, true);
19 class getid3_asf
extends getid3_handler
{
21 public function __construct(getID3
$getid3) {
22 parent
::__construct($getid3); // extends getid3_handler::__construct()
24 // initialize all GUID constants
25 $GUIDarray = $this->KnownGUIDs();
26 foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
27 if (!defined($GUIDname)) {
28 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
33 public function Analyze() {
34 $info = &$this->getid3
->info
;
37 $thisfile_audio = &$info['audio'];
38 $thisfile_video = &$info['video'];
39 $info['asf'] = array();
40 $thisfile_asf = &$info['asf'];
41 $thisfile_asf['comments'] = array();
42 $thisfile_asf_comments = &$thisfile_asf['comments'];
43 $thisfile_asf['header_object'] = array();
44 $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
48 // * Header Object [required]
49 // * File Properties Object [required] (global file attributes)
50 // * Stream Properties Object [required] (defines media stream & characteristics)
51 // * Header Extension Object [required] (additional functionality)
52 // * Content Description Object (bibliographic information)
53 // * Script Command Object (commands for during playback)
54 // * Marker Object (named jumped points within the file)
55 // * Data Object [required]
59 // Header Object: (mandatory, one only)
60 // Field Name Field Type Size (bits)
61 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
62 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
63 // Number of Header Objects DWORD 32 // number of objects in header object
64 // Reserved1 BYTE 8 // hardcoded: 0x01
65 // Reserved2 BYTE 8 // hardcoded: 0x02
67 $info['fileformat'] = 'asf';
69 $this->fseek($info['avdataoffset']);
70 $HeaderObjectData = $this->fread(30);
72 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
73 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
74 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object
) {
75 unset($info['fileformat'], $info['asf']);
76 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
).'}');
78 $thisfile_asf_headerobject['objectsize'] = getid3_lib
::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
79 $thisfile_asf_headerobject['headerobjects'] = getid3_lib
::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
80 $thisfile_asf_headerobject['reserved1'] = getid3_lib
::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
81 $thisfile_asf_headerobject['reserved2'] = getid3_lib
::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
83 $NextObjectOffset = $this->ftell();
84 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
87 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++
) {
88 $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
90 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
91 $NextObjectSize = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
93 switch ($NextObjectGUID) {
95 case GETID3_ASF_File_Properties_Object
:
96 // File Properties Object: (mandatory, one only)
97 // Field Name Field Type Size (bits)
98 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
99 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
100 // File ID GUID 128 // unique ID - identical to File ID in Data Object
101 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
102 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
103 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
104 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
105 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
106 // 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
108 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
109 // * Seekable Flag bits 1 (0x02) // is file seekable
110 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
111 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
112 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
113 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
116 $thisfile_asf['file_properties_object'] = array();
117 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
119 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset +
$offset;
120 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
121 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
122 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
123 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
125 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
126 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
128 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
129 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
131 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
133 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
135 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
137 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
139 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
141 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
142 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
144 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
146 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
148 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
151 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
153 // broadcast flag is set, some values invalid
154 unset($thisfile_asf_filepropertiesobject['filesize']);
155 unset($thisfile_asf_filepropertiesobject['data_packets']);
156 unset($thisfile_asf_filepropertiesobject['play_duration']);
157 unset($thisfile_asf_filepropertiesobject['send_duration']);
158 unset($thisfile_asf_filepropertiesobject['min_packet_size']);
159 unset($thisfile_asf_filepropertiesobject['max_packet_size']);
163 // broadcast flag NOT set, perform calculations
164 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
166 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
167 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ?
$thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
171 case GETID3_ASF_Stream_Properties_Object
:
172 // Stream Properties Object: (mandatory, one per media stream)
173 // Field Name Field Type Size (bits)
174 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
175 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
176 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
177 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
178 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
179 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
180 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
182 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
183 // * Reserved bits 8 (0x7F80) // reserved - set to zero
184 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
185 // Reserved DWORD 32 // reserved - set to zero
186 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
187 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
189 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
190 // stream number isn't known until halfway through decoding the structure, hence it
191 // it is decoded to a temporary variable and then stuck in the appropriate index later
193 $StreamPropertiesObjectData['offset'] = $NextObjectOffset +
$offset;
194 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
195 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
196 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
197 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
199 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
200 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
202 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
203 $StreamPropertiesObjectData['time_offset'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
205 $StreamPropertiesObjectData['type_data_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
207 $StreamPropertiesObjectData['error_data_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
209 $StreamPropertiesObjectData['flags_raw'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
211 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
212 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
214 $offset +
= 4; // reserved - DWORD
215 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
216 $offset +
= $StreamPropertiesObjectData['type_data_length'];
217 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
218 $offset +
= $StreamPropertiesObjectData['error_data_length'];
220 switch ($StreamPropertiesObjectData['stream_type']) {
222 case GETID3_ASF_Audio_Media
:
223 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ?
$thisfile_audio['dataformat'] : 'asf');
224 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ?
$thisfile_audio['bitrate_mode'] : 'cbr');
226 $audiodata = getid3_riff
::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
227 unset($audiodata['raw']);
228 $thisfile_audio = getid3_lib
::array_merge_noclobber($audiodata, $thisfile_audio);
231 case GETID3_ASF_Video_Media
:
232 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ?
$thisfile_video['dataformat'] : 'asf');
233 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ?
$thisfile_video['bitrate_mode'] : 'cbr');
236 case GETID3_ASF_Command_Media
:
243 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
244 unset($StreamPropertiesObjectData); // clear for next stream, if any
247 case GETID3_ASF_Header_Extension_Object
:
248 // Header Extension Object: (mandatory, one only)
249 // Field Name Field Type Size (bits)
250 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
251 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
252 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
253 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
254 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
255 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
258 $thisfile_asf['header_extension_object'] = array();
259 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
261 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset +
$offset;
262 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
263 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
264 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
265 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
267 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
268 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1
) {
269 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1
).')');
273 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
275 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
276 $this->warning('header_extension_object.reserved_2 ('.getid3_lib
::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"');
280 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
282 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
283 $unhandled_sections = 0;
284 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
285 if ($unhandled_sections === 0) {
286 unset($thisfile_asf_headerextensionobject['extension_data']);
288 $offset +
= $thisfile_asf_headerextensionobject['extension_data_size'];
291 case GETID3_ASF_Codec_List_Object
:
292 // Codec List Object: (optional, one only)
293 // Field Name Field Type Size (bits)
294 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
295 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
296 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
297 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
298 // Codec Entries array of: variable //
299 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
300 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
301 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
302 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
303 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
304 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
305 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
308 $thisfile_asf['codec_list_object'] = array();
309 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
311 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset +
$offset;
312 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
313 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
314 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
315 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
317 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
318 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
319 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
323 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
325 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++
) {
327 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
328 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
330 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
332 $thisfile_asf_codeclistobject_codecentries_current['type'] = self
::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
334 $CodecNameLength = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
336 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
337 $offset +
= $CodecNameLength;
339 $CodecDescriptionLength = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
341 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
342 $offset +
= $CodecDescriptionLength;
344 $CodecInformationLength = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
346 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
347 $offset +
= $CodecInformationLength;
349 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
351 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
352 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
355 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
356 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
358 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
359 $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
361 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
362 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
363 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
364 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
367 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
368 switch ($AudioCodecFrequency) {
371 $thisfile_audio['sample_rate'] = 8000;
376 $thisfile_audio['sample_rate'] = 11025;
381 $thisfile_audio['sample_rate'] = 12000;
386 $thisfile_audio['sample_rate'] = 16000;
391 $thisfile_audio['sample_rate'] = 22050;
396 $thisfile_audio['sample_rate'] = 24000;
401 $thisfile_audio['sample_rate'] = 32000;
406 $thisfile_audio['sample_rate'] = 44100;
411 $thisfile_audio['sample_rate'] = 48000;
415 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
419 if (!isset($thisfile_audio['channels'])) {
420 if (strstr($AudioCodecChannels, 'stereo')) {
421 $thisfile_audio['channels'] = 2;
422 } elseif (strstr($AudioCodecChannels, 'mono')) {
423 $thisfile_audio['channels'] = 1;
432 case GETID3_ASF_Script_Command_Object
:
433 // Script Command Object: (optional, one only)
434 // Field Name Field Type Size (bits)
435 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
436 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
437 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
438 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
439 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
440 // Command Types array of: variable //
441 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
442 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
443 // Commands array of: variable //
444 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
445 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
446 // * Command Name Length WORD 16 // number of Unicode characters for Command Name
447 // * Command Name WCHAR variable // array of Unicode characters - name of this command
450 $thisfile_asf['script_command_object'] = array();
451 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
453 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset +
$offset;
454 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
455 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
456 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
457 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
459 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
460 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
461 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
465 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
467 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
469 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++
) {
470 $CommandTypeNameLength = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
472 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
473 $offset +
= $CommandTypeNameLength;
475 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++
) {
476 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
478 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
481 $CommandTypeNameLength = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
483 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
484 $offset +
= $CommandTypeNameLength;
488 case GETID3_ASF_Marker_Object
:
489 // Marker Object: (optional, one only)
490 // Field Name Field Type Size (bits)
491 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
492 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
493 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
494 // Markers Count DWORD 32 // number of Marker structures in Marker Object
495 // Reserved WORD 16 // hardcoded: 0x0000
496 // Name Length WORD 16 // number of bytes in the Name field
497 // Name WCHAR variable // name of the Marker Object
498 // Markers array of: variable //
499 // * Offset QWORD 64 // byte offset into Data Object
500 // * Presentation Time QWORD 64 // in 100-nanosecond units
501 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
502 // * Send Time DWORD 32 // in milliseconds
503 // * Flags DWORD 32 // hardcoded: 0x00000000
504 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
505 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
506 // * Padding BYTESTREAM variable // optional padding bytes
509 $thisfile_asf['marker_object'] = array();
510 $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
512 $thisfile_asf_markerobject['offset'] = $NextObjectOffset +
$offset;
513 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
514 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
515 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
516 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
518 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
519 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
520 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
523 $thisfile_asf_markerobject['markers_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
525 $thisfile_asf_markerobject['reserved_2'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
527 if ($thisfile_asf_markerobject['reserved_2'] != 0) {
528 $this->warning('marker_object.reserved_2 ('.getid3_lib
::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"');
531 $thisfile_asf_markerobject['name_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
533 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
534 $offset +
= $thisfile_asf_markerobject['name_length'];
535 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++
) {
536 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
538 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
540 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
542 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
544 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
546 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
548 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
549 $offset +
= $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
550 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
551 if ($PaddingLength > 0) {
552 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
553 $offset +
= $PaddingLength;
558 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object
:
559 // Bitrate Mutual Exclusion Object: (optional)
560 // Field Name Field Type Size (bits)
561 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
562 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
563 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
564 // Stream Numbers Count WORD 16 // number of video streams
565 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
568 $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
569 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
571 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset +
$offset;
572 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
573 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
574 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
575 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
576 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
578 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate
) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown
)) {
579 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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
).'}');
583 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
585 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++
) {
586 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
591 case GETID3_ASF_Error_Correction_Object
:
592 // Error Correction Object: (optional, one only)
593 // Field Name Field Type Size (bits)
594 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
595 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
596 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
597 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
598 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
601 $thisfile_asf['error_correction_object'] = array();
602 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
604 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset +
$offset;
605 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
606 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
607 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
608 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
610 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
611 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
613 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
614 case GETID3_ASF_No_Error_Correction
:
615 // should be no data, but just in case there is, skip to the end of the field
616 $offset +
= $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
619 case GETID3_ASF_Audio_Spread
:
620 // Field Name Field Type Size (bits)
621 // Span BYTE 8 // number of packets over which audio will be spread.
622 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
623 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
624 // Silence Data Length WORD 16 // number of bytes in Silence Data field
625 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
627 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
629 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
631 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
633 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
635 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
636 $offset +
= $thisfile_asf_errorcorrectionobject['silence_data_length'];
640 $this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction
).'} or "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread
).'}');
647 case GETID3_ASF_Content_Description_Object
:
648 // Content Description Object: (optional, one only)
649 // Field Name Field Type Size (bits)
650 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
651 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
652 // Title Length WORD 16 // number of bytes in Title field
653 // Author Length WORD 16 // number of bytes in Author field
654 // Copyright Length WORD 16 // number of bytes in Copyright field
655 // Description Length WORD 16 // number of bytes in Description field
656 // Rating Length WORD 16 // number of bytes in Rating field
657 // Title WCHAR 16 // array of Unicode characters - Title
658 // Author WCHAR 16 // array of Unicode characters - Author
659 // Copyright WCHAR 16 // array of Unicode characters - Copyright
660 // Description WCHAR 16 // array of Unicode characters - Description
661 // Rating WCHAR 16 // array of Unicode characters - Rating
664 $thisfile_asf['content_description_object'] = array();
665 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
667 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset +
$offset;
668 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
669 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
670 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
671 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
673 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
675 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
677 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
679 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
681 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
682 $offset +
= $thisfile_asf_contentdescriptionobject['title_length'];
683 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
684 $offset +
= $thisfile_asf_contentdescriptionobject['author_length'];
685 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
686 $offset +
= $thisfile_asf_contentdescriptionobject['copyright_length'];
687 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
688 $offset +
= $thisfile_asf_contentdescriptionobject['description_length'];
689 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
690 $offset +
= $thisfile_asf_contentdescriptionobject['rating_length'];
692 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
693 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
694 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
695 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
700 case GETID3_ASF_Extended_Content_Description_Object
:
701 // Extended Content Description Object: (optional, one only)
702 // Field Name Field Type Size (bits)
703 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
704 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
705 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
706 // Content Descriptors array of: variable //
707 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
708 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
709 // * Descriptor Value Data Type WORD 16 // Lookup array:
710 // 0x0000 = Unicode String (variable length)
711 // 0x0001 = BYTE array (variable length)
712 // 0x0002 = BOOL (DWORD, 32 bits)
713 // 0x0003 = DWORD (DWORD, 32 bits)
714 // 0x0004 = QWORD (QWORD, 64 bits)
715 // 0x0005 = WORD (WORD, 16 bits)
716 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
717 // * Descriptor Value variable variable // value for Content Descriptor
720 $thisfile_asf['extended_content_description_object'] = array();
721 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
723 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset +
$offset;
724 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
725 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
726 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
727 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
729 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++
) {
731 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
732 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
734 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset +
30;
735 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
737 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
738 $offset +
= $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
739 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
741 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
743 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
744 $offset +
= $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
745 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
746 case 0x0000: // Unicode string
749 case 0x0001: // BYTE array
754 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib
::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
757 case 0x0003: // DWORD
758 case 0x0004: // QWORD
760 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib
::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
764 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
768 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
770 case 'wm/albumartist':
772 // Note: not 'artist', that comes from 'author' tag
773 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
776 case 'wm/albumtitle':
778 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
783 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
787 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
790 case 'wm/tracknumber':
792 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
793 $thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
794 foreach ($thisfile_asf_comments['track'] as $key => $value) {
795 if (preg_match('/^[0-9\x00]+$/', $value)) {
796 $thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
802 if (empty($thisfile_asf_comments['track'])) {
803 $thisfile_asf_comments['track'] = array(1 +
$this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
810 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
815 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
819 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
820 $thisfile_audio['bitrate_mode'] = 'vbr';
821 $thisfile_video['bitrate_mode'] = 'vbr';
826 $this->getid3
->include_module('tag.id3v2');
828 $getid3_id3v2 = new getid3_id3v2($this->getid3
);
829 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
830 unset($getid3_id3v2);
832 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
833 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
837 case 'wm/encodingtime':
838 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
839 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
843 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
844 foreach ($WMpicture as $key => $value) {
845 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
849 $wm_picture_offset = 0;
850 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
851 $wm_picture_offset += 1;
852 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
853 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
854 $wm_picture_offset += 4;
856 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
858 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
859 $wm_picture_offset += 2;
860 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
861 } while ($next_byte_pair !== "\x00\x00");
863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
865 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
866 $wm_picture_offset += 2;
867 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
868 } while ($next_byte_pair !== "\x00\x00");
870 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
871 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
872 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
874 $imageinfo = array();
875 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
876 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
878 if (!empty($imagechunkcheck)) {
879 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
881 if (!isset($thisfile_asf_comments['picture'])) {
882 $thisfile_asf_comments['picture'] = array();
884 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
889 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
890 case 0: // Unicode string
891 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
892 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
905 case GETID3_ASF_Stream_Bitrate_Properties_Object
:
906 // Stream Bitrate Properties Object: (optional, one only)
907 // Field Name Field Type Size (bits)
908 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
909 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
910 // Bitrate Records Count WORD 16 // number of records in Bitrate Records
911 // Bitrate Records array of: variable //
912 // * Flags WORD 16 //
913 // * * Stream Number bits 7 (0x007F) // number of this stream
914 // * * Reserved bits 9 (0xFF80) // hardcoded: 0
915 // * Average Bitrate DWORD 32 // in bits per second
918 $thisfile_asf['stream_bitrate_properties_object'] = array();
919 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
921 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset +
$offset;
922 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
923 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
924 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
925 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
927 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++
) {
928 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
930 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
931 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib
::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
936 case GETID3_ASF_Padding_Object
:
937 // Padding Object: (optional)
938 // Field Name Field Type Size (bits)
939 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object
940 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header
941 // Padding Data BYTESTREAM variable // ignore
944 $thisfile_asf['padding_object'] = array();
945 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
947 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset +
$offset;
948 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
949 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
950 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
951 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
952 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
953 $offset +
= ($NextObjectSize - 16 - 8);
956 case GETID3_ASF_Extended_Content_Encryption_Object
:
957 case GETID3_ASF_Content_Encryption_Object
:
958 // WMA DRM - just ignore
959 $offset +
= ($NextObjectSize - 16 - 8);
963 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
964 if ($this->GUIDname($NextObjectGUIDtext)) {
965 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
967 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
969 $offset +
= ($NextObjectSize - 16 - 8);
973 if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
974 $ASFbitrateAudio = 0;
975 $ASFbitrateVideo = 0;
976 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++
) {
977 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
978 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
980 $ASFbitrateVideo +
= $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
984 $ASFbitrateAudio +
= $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
993 if ($ASFbitrateAudio > 0) {
994 $thisfile_audio['bitrate'] = $ASFbitrateAudio;
996 if ($ASFbitrateVideo > 0) {
997 $thisfile_video['bitrate'] = $ASFbitrateVideo;
1000 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1002 $thisfile_audio['bitrate'] = 0;
1003 $thisfile_video['bitrate'] = 0;
1005 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1007 switch ($streamdata['stream_type']) {
1008 case GETID3_ASF_Audio_Media
:
1009 // Field Name Field Type Size (bits)
1010 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
1011 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
1012 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
1013 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
1014 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
1015 // 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
1016 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
1017 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1020 $thisfile_asf['audio_media'][$streamnumber] = array();
1021 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
1023 $audiomediaoffset = 0;
1025 $thisfile_asf_audiomedia_currentstream = getid3_riff
::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1026 $audiomediaoffset +
= 16;
1028 $thisfile_audio['lossless'] = false;
1029 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1031 case 0x0163: // WMA9 Lossless
1032 $thisfile_audio['lossless'] = true;
1036 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1037 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1038 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1039 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1040 $thisfile_audio['bitrate'] +
= $dataarray['bitrate'];
1045 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
1046 $thisfile_audio['bitrate'] +
= $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
1047 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
1048 $thisfile_audio['bitrate'] +
= $thisfile_asf_audiomedia_currentstream['bitrate'];
1051 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
1052 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1053 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
1054 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1055 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma';
1056 unset($thisfile_audio['streams'][$streamnumber]['raw']);
1058 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1059 $audiomediaoffset +
= 2;
1060 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1061 $audiomediaoffset +
= $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1065 case GETID3_ASF_Video_Media
:
1066 // Field Name Field Type Size (bits)
1067 // Encoded Image Width DWORD 32 // width of image in pixels
1068 // Encoded Image Height DWORD 32 // height of image in pixels
1069 // Reserved Flags BYTE 8 // hardcoded: 0x02
1070 // Format Data Size WORD 16 // size of Format Data field in bytes
1071 // Format Data array of: variable //
1072 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1073 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1074 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1075 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1076 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1077 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1078 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1079 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1080 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1081 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1082 // * 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
1083 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1086 $thisfile_asf['video_media'][$streamnumber] = array();
1087 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1089 $videomediaoffset = 0;
1090 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1091 $videomediaoffset +
= 4;
1092 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1093 $videomediaoffset +
= 4;
1094 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1095 $videomediaoffset +
= 1;
1096 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1097 $videomediaoffset +
= 2;
1098 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1099 $videomediaoffset +
= 4;
1100 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1101 $videomediaoffset +
= 4;
1102 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1103 $videomediaoffset +
= 4;
1104 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1105 $videomediaoffset +
= 2;
1106 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1107 $videomediaoffset +
= 2;
1108 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1109 $videomediaoffset +
= 4;
1110 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1111 $videomediaoffset +
= 4;
1112 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1113 $videomediaoffset +
= 4;
1114 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1115 $videomediaoffset +
= 4;
1116 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1117 $videomediaoffset +
= 4;
1118 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib
::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1119 $videomediaoffset +
= 4;
1120 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
1122 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1123 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1124 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1125 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1126 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1127 $thisfile_video['bitrate'] +
= $dataarray['bitrate'];
1133 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff
::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1135 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1136 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1137 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
1138 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
1139 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1148 while ($this->ftell() < $info['avdataend']) {
1149 $NextObjectDataHeader = $this->fread(24);
1151 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1153 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1154 $NextObjectSize = getid3_lib
::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1157 switch ($NextObjectGUID) {
1158 case GETID3_ASF_Data_Object
:
1159 // Data Object: (mandatory, one only)
1160 // Field Name Field Type Size (bits)
1161 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object
1162 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1163 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object
1164 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1165 // Reserved WORD 16 // hardcoded: 0x0101
1168 $thisfile_asf['data_object'] = array();
1169 $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1171 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
1174 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1175 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1176 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1178 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1180 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1181 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib
::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1183 $thisfile_asf_dataobject['reserved'] = getid3_lib
::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1185 if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1186 $this->warning('data_object.reserved ('.getid3_lib
::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
1191 // Data Packets array of: variable //
1192 // * Error Correction Flags BYTE 8 //
1193 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1194 // * * Opaque Data Present bits 1 //
1195 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00
1196 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure
1197 // * Error Correction Data
1199 $info['avdataoffset'] = $this->ftell();
1200 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR
); // skip actual audio/video data
1201 $info['avdataend'] = $this->ftell();
1204 case GETID3_ASF_Simple_Index_Object
:
1205 // Simple Index Object: (optional, recommended, one per video stream)
1206 // Field Name Field Type Size (bits)
1207 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object
1208 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header
1209 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1210 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units
1211 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries
1212 // Index Entries Count DWORD 32 // number of Index Entries structures
1213 // Index Entries array of: variable //
1214 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry
1215 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry
1218 $thisfile_asf['simple_index_object'] = array();
1219 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1221 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
1224 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1225 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1226 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1228 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1230 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1231 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib
::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1233 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib
::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1235 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib
::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1238 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1239 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++
) {
1240 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib
::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1242 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib
::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1248 case GETID3_ASF_Index_Object
:
1249 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1250 // Field Name Field Type Size (bits)
1251 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object
1252 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1253 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms.
1254 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object.
1255 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object.
1257 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0.
1258 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
1259 // Index Specifiers array of: varies //
1260 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1261 // * Index Type WORD 16 // Specifies Index Type values as follows:
1262 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1263 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1264 // 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.
1265 // Nearest Past Cleanpoint is the most common type of index.
1266 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block.
1267 // * 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.
1268 // * Index Entries array of: varies //
1269 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value
1272 $thisfile_asf['asf_index_object'] = array();
1273 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1275 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
1278 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1279 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1280 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1282 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1284 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1286 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1289 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1290 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++
) {
1291 $IndexSpecifierStreamNumber = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1293 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
1294 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1296 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1299 $ASFIndexObjectData .= $this->fread(4);
1300 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1303 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1304 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++
) {
1305 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1309 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1310 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++
) {
1311 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++
) {
1312 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib
::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1320 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1321 if ($this->GUIDname($NextObjectGUIDtext)) {
1322 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
1324 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
1326 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR
);
1331 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1332 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1333 switch ($streamdata['information']) {
1343 $thisfile_video['dataformat'] = 'wmv';
1344 $info['mime_type'] = 'video/x-ms-wmv';
1351 $thisfile_video['dataformat'] = 'asf';
1352 $info['mime_type'] = 'video/x-ms-asf';
1356 switch ($streamdata['type_raw']) {
1358 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1359 $thisfile_video['dataformat'] = 'wmv';
1360 if ($info['mime_type'] == 'video/x-ms-asf') {
1361 $info['mime_type'] = 'video/x-ms-wmv';
1367 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1368 $thisfile_audio['dataformat'] = 'wma';
1369 if ($info['mime_type'] == 'video/x-ms-asf') {
1370 $info['mime_type'] = 'audio/x-ms-wma';
1381 switch (isset($thisfile_audio['codec']) ?
$thisfile_audio['codec'] : '') {
1382 case 'MPEG Layer-3':
1383 $thisfile_audio['dataformat'] = 'mp3';
1390 if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1391 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1392 switch ($streamdata['type_raw']) {
1395 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1399 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1402 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1404 $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1408 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
1415 if (isset($info['audio'])) {
1416 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ?
$thisfile_audio['lossless'] : false);
1417 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ?
$thisfile_audio['dataformat'] : 'asf');
1419 if (!empty($thisfile_video['dataformat'])) {
1420 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ?
$thisfile_audio['lossless'] : false);
1421 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ?
$thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1422 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ?
$thisfile_video['dataformat'] : 'asf');
1424 if (!empty($thisfile_video['streams'])) {
1425 $thisfile_video['resolution_x'] = 0;
1426 $thisfile_video['resolution_y'] = 0;
1427 foreach ($thisfile_video['streams'] as $key => $valuearray) {
1428 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) ||
($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
1429 $thisfile_video['resolution_x'] = $valuearray['resolution_x'];
1430 $thisfile_video['resolution_y'] = $valuearray['resolution_y'];
1434 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ?
$thisfile_audio['bitrate'] : 0) +
(isset($thisfile_video['bitrate']) ?
$thisfile_video['bitrate'] : 0);
1436 if ((!isset($info['playtime_seconds']) ||
($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1437 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1443 public static function codecListObjectTypeLookup($CodecListType) {
1444 static $lookup = array(
1445 0x0001 => 'Video Codec',
1446 0x0002 => 'Audio Codec',
1447 0xFFFF => 'Unknown Codec'
1450 return (isset($lookup[$CodecListType]) ?
$lookup[$CodecListType] : 'Invalid Codec Type');
1453 public static function KnownGUIDs() {
1454 static $GUIDarray = array(
1455 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A',
1456 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
1457 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
1458 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
1459 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
1460 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
1461 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
1462 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
1463 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C',
1464 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB',
1465 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B',
1466 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
1467 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
1468 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
1469 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054',
1470 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
1471 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
1472 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
1473 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
1474 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
1475 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
1476 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
1477 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
1478 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
1479 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
1480 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
1481 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
1482 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6',
1483 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6',
1484 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
1485 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
1486 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95',
1487 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD',
1488 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
1489 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
1490 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
1491 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
1492 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
1493 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
1494 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
1495 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
1496 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
1497 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD',
1498 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
1499 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
1500 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
1501 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
1502 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
1503 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
1504 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
1505 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
1506 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
1507 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
1508 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
1509 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
1510 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
1511 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
1512 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
1513 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
1514 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
1515 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
1516 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
1517 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
1518 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
1519 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
1520 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
1521 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
1522 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
1523 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
1524 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
1525 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
1526 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
1527 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
1528 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
1529 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
1530 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
1531 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
1532 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
1533 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
1534 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
1535 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
1536 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
1537 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
1538 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
1539 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
1540 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
1541 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
1542 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
1543 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
1544 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
1545 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
1546 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
1547 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
1548 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
1549 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
1550 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
1551 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
1552 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
1553 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
1554 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C',
1555 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
1556 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365',
1557 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
1558 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
1559 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
1560 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
1561 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1562 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1567 public static function GUIDname($GUIDstring) {
1568 static $GUIDarray = array();
1569 if (empty($GUIDarray)) {
1570 $GUIDarray = self
::KnownGUIDs();
1572 return array_search($GUIDstring, $GUIDarray);
1575 public static function ASFIndexObjectIndexTypeLookup($id) {
1576 static $ASFIndexObjectIndexTypeLookup = array();
1577 if (empty($ASFIndexObjectIndexTypeLookup)) {
1578 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1579 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1580 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1582 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ?
$ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1585 public static function GUIDtoBytestring($GUIDstring) {
1586 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1587 // first 4 bytes are in little-endian order
1588 // next 2 bytes are appended in little-endian order
1589 // next 2 bytes are appended in little-endian order
1590 // next 2 bytes are appended in big-endian order
1591 // next 6 bytes are appended in big-endian order
1593 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1594 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1596 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
1597 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
1598 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
1599 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
1601 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1602 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1604 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1605 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1607 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1608 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1610 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1611 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1612 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1613 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1614 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1615 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1617 return $hexbytecharstring;
1620 public static function BytestringToGUID($Bytestring) {
1621 $GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT
);
1622 $GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT
);
1623 $GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT
);
1624 $GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT
);
1626 $GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT
);
1627 $GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT
);
1629 $GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT
);
1630 $GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT
);
1632 $GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT
);
1633 $GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT
);
1635 $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT
);
1636 $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT
);
1637 $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT
);
1638 $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT
);
1639 $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT
);
1640 $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT
);
1642 return strtoupper($GUIDstring);
1645 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1646 // FILETIME is a 64-bit unsigned integer representing
1647 // the number of 100-nanosecond intervals since January 1, 1601
1648 // UNIX timestamp is number of seconds since January 1, 1970
1649 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1651 return intval(round(($FILETIME - 116444736000000000) / 10000000));
1653 return ($FILETIME - 116444736000000000) / 10000000;
1656 public static function WMpictureTypeLookup($WMpictureType) {
1657 static $lookup = null;
1658 if ($lookup === null) {
1660 0x03 => 'Front Cover',
1661 0x04 => 'Back Cover',
1662 0x00 => 'User Defined',
1663 0x05 => 'Leaflet Page',
1664 0x06 => 'Media Label',
1665 0x07 => 'Lead Artist',
1667 0x09 => 'Conductor',
1671 0x0D => 'Recording Location',
1672 0x0E => 'During Recording',
1673 0x0F => 'During Performance',
1674 0x10 => 'Video Screen Capture',
1675 0x12 => 'Illustration',
1676 0x13 => 'Band Logotype',
1677 0x14 => 'Publisher Logotype'
1679 $lookup = array_map(function($str) {
1680 return getid3_lib
::iconv_fallback('UTF-8', 'UTF-16LE', $str);
1684 return (isset($lookup[$WMpictureType]) ?
$lookup[$WMpictureType] : '');
1687 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1688 // http://msdn.microsoft.com/en-us/library/bb643323.aspx
1692 $HeaderExtensionObjectParsed = array();
1693 while ($objectOffset < strlen($asf_header_extension_object_data)) {
1694 $offset = $objectOffset;
1695 $thisObject = array();
1697 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
1699 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1700 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1702 $thisObject['size'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1704 if ($thisObject['size'] <= 0) {
1708 switch ($thisObject['guid']) {
1709 case GETID3_ASF_Extended_Stream_Properties_Object
:
1710 $thisObject['start_time'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1712 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1714 $thisObject['end_time'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1716 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1718 $thisObject['data_bitrate'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1721 $thisObject['buffer_size'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1724 $thisObject['initial_buffer_fullness'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1727 $thisObject['alternate_data_bitrate'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1730 $thisObject['alternate_buffer_size'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1733 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1736 $thisObject['maximum_object_size'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1739 $thisObject['flags_raw'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1741 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001;
1742 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002;
1743 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004;
1744 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
1746 $thisObject['stream_number'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1749 $thisObject['stream_language_id_index'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1752 $thisObject['average_time_per_frame'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1755 $thisObject['stream_name_count'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1758 $thisObject['payload_extension_system_count'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1761 for ($i = 0; $i < $thisObject['stream_name_count']; $i++
) {
1762 $streamName = array();
1764 $streamName['language_id_index'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1767 $streamName['stream_name_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1770 $streamName['stream_name'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
1771 $offset +
= $streamName['stream_name_length'];
1773 $thisObject['stream_names'][$i] = $streamName;
1776 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++
) {
1777 $payloadExtensionSystem = array();
1779 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
1781 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1783 $payloadExtensionSystem['extension_system_size'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1785 if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1789 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1792 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']));
1793 $offset +
= $payloadExtensionSystem['extension_system_info_length'];
1795 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1800 case GETID3_ASF_Padding_Object
:
1804 case GETID3_ASF_Metadata_Object
:
1805 $thisObject['description_record_counts'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1808 for ($i = 0; $i < $thisObject['description_record_counts']; $i++
) {
1809 $descriptionRecord = array();
1811 $descriptionRecord['reserved_1'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero
1814 $descriptionRecord['stream_number'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1817 $descriptionRecord['name_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1820 $descriptionRecord['data_type'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1822 $descriptionRecord['data_type_text'] = self
::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1824 $descriptionRecord['data_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1827 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1828 $offset +
= $descriptionRecord['name_length'];
1830 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1831 $offset +
= $descriptionRecord['data_length'];
1832 switch ($descriptionRecord['data_type']) {
1833 case 0x0000: // Unicode string
1836 case 0x0001: // BYTE array
1840 case 0x0002: // BOOL
1841 $descriptionRecord['data'] = (bool) getid3_lib
::LittleEndian2Int($descriptionRecord['data']);
1844 case 0x0003: // DWORD
1845 case 0x0004: // QWORD
1846 case 0x0005: // WORD
1847 $descriptionRecord['data'] = getid3_lib
::LittleEndian2Int($descriptionRecord['data']);
1850 case 0x0006: // GUID
1851 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1855 $thisObject['description_record'][$i] = $descriptionRecord;
1859 case GETID3_ASF_Language_List_Object
:
1860 $thisObject['language_id_record_counts'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1863 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++
) {
1864 $languageIDrecord = array();
1866 $languageIDrecord['language_id_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
1869 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
1870 $offset +
= $languageIDrecord['language_id_length'];
1872 $thisObject['language_id_record'][$i] = $languageIDrecord;
1876 case GETID3_ASF_Metadata_Library_Object
:
1877 $thisObject['description_records_count'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1880 for ($i = 0; $i < $thisObject['description_records_count']; $i++
) {
1881 $descriptionRecord = array();
1883 $descriptionRecord['language_list_index'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1886 $descriptionRecord['stream_number'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1889 $descriptionRecord['name_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1892 $descriptionRecord['data_type'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1894 $descriptionRecord['data_type_text'] = self
::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1896 $descriptionRecord['data_length'] = getid3_lib
::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1899 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1900 $offset +
= $descriptionRecord['name_length'];
1902 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1903 $offset +
= $descriptionRecord['data_length'];
1905 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1906 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1907 foreach ($WMpicture as $key => $value) {
1908 $descriptionRecord['data'] = $WMpicture;
1913 $thisObject['description_record'][$i] = $descriptionRecord;
1918 $unhandled_sections++
;
1919 if ($this->GUIDname($thisObject['guid_text'])) {
1920 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
1922 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
1926 $HeaderExtensionObjectParsed[] = $thisObject;
1928 $objectOffset +
= $thisObject['size'];
1930 return $HeaderExtensionObjectParsed;
1934 public static function metadataLibraryObjectDataTypeLookup($id) {
1935 static $lookup = array(
1936 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1937 0x0001 => 'BYTE array', // The type of the data is implementation-specific
1938 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1939 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1940 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
1941 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
1942 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID
1944 return (isset($lookup[$id]) ?
$lookup[$id] : 'invalid');
1947 public function ASF_WMpicture(&$data) {
1948 //typedef struct _WMPicture{
1949 // LPWSTR pwszMIMEType;
1950 // BYTE bPictureType;
1951 // LPWSTR pwszDescription;
1956 $WMpicture = array();
1959 $WMpicture['image_type_id'] = getid3_lib
::LittleEndian2Int(substr($data, $offset, 1));
1961 $WMpicture['image_type'] = self
::WMpictureTypeLookup($WMpicture['image_type_id']);
1962 $WMpicture['image_size'] = getid3_lib
::LittleEndian2Int(substr($data, $offset, 4));
1965 $WMpicture['image_mime'] = '';
1967 $next_byte_pair = substr($data, $offset, 2);
1969 $WMpicture['image_mime'] .= $next_byte_pair;
1970 } while ($next_byte_pair !== "\x00\x00");
1972 $WMpicture['image_description'] = '';
1974 $next_byte_pair = substr($data, $offset, 2);
1976 $WMpicture['image_description'] .= $next_byte_pair;
1977 } while ($next_byte_pair !== "\x00\x00");
1979 $WMpicture['dataoffset'] = $offset;
1980 $WMpicture['data'] = substr($data, $offset);
1982 $imageinfo = array();
1983 $WMpicture['image_mime'] = '';
1984 $imagechunkcheck = getid3_lib
::GetDataImageSize($WMpicture['data'], $imageinfo);
1986 if (!empty($imagechunkcheck)) {
1987 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
1989 if (!isset($this->getid3
->info
['asf']['comments']['picture'])) {
1990 $this->getid3
->info
['asf']['comments']['picture'] = array();
1992 $this->getid3
->info
['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
1998 // Remove terminator 00 00 and convert UTF-16LE to Latin-1
1999 public static function TrimConvert($string) {
2000 return trim(getid3_lib
::iconv_fallback('UTF-16LE', 'ISO-8859-1', self
::TrimTerm($string)), ' ');
2004 // Remove terminator 00 00
2005 public static function TrimTerm($string) {
2006 // remove terminator, only if present (it should be, but...)
2007 if (substr($string, -2) === "\x00\x00") {
2008 $string = substr($string, 0, -2);