ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
module.audio-video.asf.php
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1 <?php
4 // available at http://getid3.sourceforge.net //
5 // or http://www.getid3.org //
6 // also https://github.com/JamesHeinrich/getID3 //
8 // See readme.txt for more details //
10 // //
11 // module.audio-video.asf.php //
12 // module for analyzing ASF, WMA and WMV files //
13 // dependencies: module.audio-video.riff.php //
14 // ///
16 
17 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
18 
19 class getid3_asf extends getid3_handler {
20 
21  public function __construct(getID3 $getid3) {
22  parent::__construct($getid3); // extends getid3_handler::__construct()
23 
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));
29  }
30  }
31  }
32 
33  public function Analyze() {
34  $info = &$this->getid3->info;
35 
36  // Shortcuts
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'];
45 
46 
47  // ASF structure:
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]
56  // * Data Packets
57  // * Index Object
58 
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
66 
67  $info['fileformat'] = 'asf';
68 
69  $this->fseek($info['avdataoffset']);
70  $HeaderObjectData = $this->fread(30);
71 
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).'}');
77  }
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));
82 
83  $NextObjectOffset = $this->ftell();
84  $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
85  $offset = 0;
86 
87  for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
88  $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
89  $offset += 16;
90  $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
91  $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
92  $offset += 8;
93  switch ($NextObjectGUID) {
94 
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
107  // Flags DWORD 32 //
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
114 
115  // shortcut
116  $thisfile_asf['file_properties_object'] = array();
117  $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
118 
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);
124  $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));
127  $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']);
130  $offset += 8;
131  $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
132  $offset += 8;
133  $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
134  $offset += 8;
135  $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
136  $offset += 8;
137  $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
138  $offset += 8;
139  $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
140  $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);
143 
144  $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
145  $offset += 4;
146  $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
147  $offset += 4;
148  $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
149  $offset += 4;
150 
151  if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
152 
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']);
160 
161  } else {
162 
163  // broadcast flag NOT set, perform calculations
164  $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
165 
166  //$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'];
168  }
169  break;
170 
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
181  // Flags WORD 16 //
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
188 
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
192 
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);
198  $offset += 16;
199  $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
200  $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
201  $offset += 16;
202  $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
203  $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
204  $offset += 8;
205  $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
206  $offset += 4;
207  $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
208  $offset += 4;
209  $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
210  $offset += 2;
211  $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
212  $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
213 
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 += $StreamPropertiesObjectData['error_data_length'];
219 
220  switch ($StreamPropertiesObjectData['stream_type']) {
221 
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');
225 
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);
229  break;
230 
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');
234  break;
235 
236  case GETID3_ASF_Command_Media:
237  default:
238  // do nothing
239  break;
240 
241  }
242 
243  $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
244  unset($StreamPropertiesObjectData); // clear for next stream, if any
245  break;
246 
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
256 
257  // shortcut
258  $thisfile_asf['header_extension_object'] = array();
259  $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
260 
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);
266  $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).')');
270  //return false;
271  break;
272  }
273  $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
274  $offset += 2;
275  if ($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"');
277  //return false;
278  break;
279  }
280  $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
281  $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']);
287  }
288  $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
289  break;
290 
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
306 
307  // shortcut
308  $thisfile_asf['codec_list_object'] = array();
309  $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
310 
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);
316  $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}');
320  //return false;
321  break;
322  }
323  $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
324  $offset += 4;
325  for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
326  // shortcut
327  $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
328  $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
329 
330  $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
331  $offset += 2;
332  $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
333 
334  $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
335  $offset += 2;
336  $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
337  $offset += $CodecNameLength;
338 
339  $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
340  $offset += 2;
341  $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
342  $offset += $CodecDescriptionLength;
343 
344  $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
345  $offset += 2;
346  $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
347  $offset += $CodecInformationLength;
348 
349  if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
350 
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: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
353  } else {
354 
355  list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
356  $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
357 
358  if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
359  $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
360  }
361  //if (!isset($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'];
365  }
366 
367  $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
368  switch ($AudioCodecFrequency) {
369  case 8:
370  case 8000:
371  $thisfile_audio['sample_rate'] = 8000;
372  break;
373 
374  case 11:
375  case 11025:
376  $thisfile_audio['sample_rate'] = 11025;
377  break;
378 
379  case 12:
380  case 12000:
381  $thisfile_audio['sample_rate'] = 12000;
382  break;
383 
384  case 16:
385  case 16000:
386  $thisfile_audio['sample_rate'] = 16000;
387  break;
388 
389  case 22:
390  case 22050:
391  $thisfile_audio['sample_rate'] = 22050;
392  break;
393 
394  case 24:
395  case 24000:
396  $thisfile_audio['sample_rate'] = 24000;
397  break;
398 
399  case 32:
400  case 32000:
401  $thisfile_audio['sample_rate'] = 32000;
402  break;
403 
404  case 44:
405  case 441000:
406  $thisfile_audio['sample_rate'] = 44100;
407  break;
408 
409  case 48:
410  case 48000:
411  $thisfile_audio['sample_rate'] = 48000;
412  break;
413 
414  default:
415  $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
416  break;
417  }
418 
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;
424  }
425  }
426 
427  }
428  }
429  }
430  break;
431 
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
448 
449  // shortcut
450  $thisfile_asf['script_command_object'] = array();
451  $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
452 
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);
458  $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}');
462  //return false;
463  break;
464  }
465  $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
466  $offset += 2;
467  $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
468  $offset += 2;
469  for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
470  $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
471  $offset += 2;
472  $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
473  $offset += $CommandTypeNameLength;
474  }
475  for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
476  $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
477  $offset += 4;
478  $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
479  $offset += 2;
480 
481  $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
482  $offset += 2;
483  $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
484  $offset += $CommandTypeNameLength;
485  }
486  break;
487 
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
507 
508  // shortcut
509  $thisfile_asf['marker_object'] = array();
510  $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
511 
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);
517  $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}');
521  break;
522  }
523  $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
524  $offset += 4;
525  $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
526  $offset += 2;
527  if ($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"');
529  break;
530  }
531  $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
532  $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));
537  $offset += 8;
538  $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
539  $offset += 8;
540  $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
541  $offset += 2;
542  $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
543  $offset += 4;
544  $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
545  $offset += 4;
546  $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
547  $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;
554  }
555  }
556  break;
557 
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
566 
567  // shortcut
568  $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
569  $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
570 
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']);
577  $offset += 16;
578  if (($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).'}');
580  //return false;
581  break;
582  }
583  $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
584  $offset += 2;
585  for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
586  $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
587  $offset += 2;
588  }
589  break;
590 
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
599 
600  // shortcut
601  $thisfile_asf['error_correction_object'] = array();
602  $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
603 
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);
609  $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));
612  $offset += 4;
613  switch ($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'];
617  break;
618 
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
626 
627  $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
628  $offset += 1;
629  $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
630  $offset += 2;
631  $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
632  $offset += 2;
633  $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
634  $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'];
637  break;
638 
639  default:
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).'}');
641  //return false;
642  break;
643  }
644 
645  break;
646 
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
662 
663  // shortcut
664  $thisfile_asf['content_description_object'] = array();
665  $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
666 
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));
672  $offset += 2;
673  $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
674  $offset += 2;
675  $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
676  $offset += 2;
677  $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
678  $offset += 2;
679  $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
680  $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'];
691 
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]);
696  }
697  }
698  break;
699 
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
718 
719  // shortcut
720  $thisfile_asf['extended_content_description_object'] = array();
721  $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
722 
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));
728  $offset += 2;
729  for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
730  // shortcut
731  $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
732  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
733 
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));
736  $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));
740  $offset += 2;
741  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
742  $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
747  break;
748 
749  case 0x0001: // BYTE array
750  // do nothing
751  break;
752 
753  case 0x0002: // BOOL
754  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
755  break;
756 
757  case 0x0003: // DWORD
758  case 0x0004: // QWORD
759  case 0x0005: // WORD
760  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
761  break;
762 
763  default:
764  $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
765  //return false;
766  break;
767  }
768  switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
769 
770  case 'wm/albumartist':
771  case 'artist':
772  // Note: not 'artist', that comes from 'author' tag
773  $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
774  break;
775 
776  case 'wm/albumtitle':
777  case 'album':
778  $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
779  break;
780 
781  case 'wm/genre':
782  case 'genre':
783  $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
784  break;
785 
786  case 'wm/partofset':
787  $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
788  break;
789 
790  case 'wm/tracknumber':
791  case '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", '', $value));
797  }
798  }
799  break;
800 
801  case 'wm/track':
802  if (empty($thisfile_asf_comments['track'])) {
803  $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
804  }
805  break;
806 
807  case 'wm/year':
808  case 'year':
809  case 'date':
810  $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
811  break;
812 
813  case 'wm/lyrics':
814  case 'lyrics':
815  $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
816  break;
817 
818  case 'isvbr':
819  if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
820  $thisfile_audio['bitrate_mode'] = 'vbr';
821  $thisfile_video['bitrate_mode'] = 'vbr';
822  }
823  break;
824 
825  case 'id3':
826  $this->getid3->include_module('tag.id3v2');
827 
828  $getid3_id3v2 = new getid3_id3v2($this->getid3);
829  $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
830  unset($getid3_id3v2);
831 
832  if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
833  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
834  }
835  break;
836 
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']);
840  break;
841 
842  case 'wm/picture':
843  $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
844  foreach ($WMpicture as $key => $value) {
845  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
846  }
847  unset($WMpicture);
848 /*
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;
855 
856  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
857  do {
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");
862 
863  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
864  do {
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");
869 
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']);
873 
874  $imageinfo = array();
875  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
876  $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
877  unset($imageinfo);
878  if (!empty($imagechunkcheck)) {
879  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
880  }
881  if (!isset($thisfile_asf_comments['picture'])) {
882  $thisfile_asf_comments['picture'] = array();
883  }
884  $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
885 */
886  break;
887 
888  default:
889  switch ($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']));
893  }
894  break;
895 
896  case 1:
897  break;
898  }
899  break;
900  }
901 
902  }
903  break;
904 
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
916 
917  // shortcut
918  $thisfile_asf['stream_bitrate_properties_object'] = array();
919  $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
920 
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));
926  $offset += 2;
927  for ($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));
929  $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));
932  $offset += 4;
933  }
934  break;
935 
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
942 
943  // shortcut
944  $thisfile_asf['padding_object'] = array();
945  $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
946 
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);
954  break;
955 
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);
960  break;
961 
962  default:
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));
966  } else {
967  $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
968  }
969  $offset += ($NextObjectSize - 16 - 8);
970  break;
971  }
972  }
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']) {
979  case 1:
980  $ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
981  break;
982 
983  case 2:
984  $ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
985  break;
986 
987  default:
988  // do nothing
989  break;
990  }
991  }
992  }
993  if ($ASFbitrateAudio > 0) {
994  $thisfile_audio['bitrate'] = $ASFbitrateAudio;
995  }
996  if ($ASFbitrateVideo > 0) {
997  $thisfile_video['bitrate'] = $ASFbitrateVideo;
998  }
999  }
1000  if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1001 
1002  $thisfile_audio['bitrate'] = 0;
1003  $thisfile_video['bitrate'] = 0;
1004 
1005  foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1006 
1007  switch ($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
1018 
1019  // shortcut
1020  $thisfile_asf['audio_media'][$streamnumber] = array();
1021  $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
1022 
1023  $audiomediaoffset = 0;
1024 
1025  $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1026  $audiomediaoffset += 16;
1027 
1028  $thisfile_audio['lossless'] = false;
1029  switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1030  case 0x0001: // PCM
1031  case 0x0163: // WMA9 Lossless
1032  $thisfile_audio['lossless'] = true;
1033  break;
1034  }
1035 
1036  if (!empty($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'] += $dataarray['bitrate'];
1041  break;
1042  }
1043  }
1044  } else {
1045  if (!empty($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'];
1049  }
1050  }
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']);
1057 
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'];
1062 
1063  break;
1064 
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
1084 
1085  // shortcut
1086  $thisfile_asf['video_media'][$streamnumber] = array();
1087  $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1088 
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'], $videomediaoffset);
1121 
1122  if (!empty($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'];
1128  break;
1129  }
1130  }
1131  }
1132 
1133  $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1134 
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'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1140  break;
1141 
1142  default:
1143  break;
1144  }
1145  }
1146  }
1147 
1148  while ($this->ftell() < $info['avdataend']) {
1149  $NextObjectDataHeader = $this->fread(24);
1150  $offset = 0;
1151  $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1152  $offset += 16;
1153  $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1154  $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1155  $offset += 8;
1156 
1157  switch ($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
1166 
1167  // shortcut
1168  $thisfile_asf['data_object'] = array();
1169  $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1170 
1171  $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
1172  $offset = 24;
1173 
1174  $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1175  $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1176  $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1177 
1178  $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1179  $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));
1182  $offset += 8;
1183  $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1184  $offset += 2;
1185  if ($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"');
1187  //return false;
1188  break;
1189  }
1190 
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
1198 
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();
1202  break;
1203 
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
1216 
1217  // shortcut
1218  $thisfile_asf['simple_index_object'] = array();
1219  $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1220 
1221  $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
1222  $offset = 24;
1223 
1224  $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1225  $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1226  $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1227 
1228  $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1229  $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));
1232  $offset += 8;
1233  $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1234  $offset += 4;
1235  $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1236  $offset += 4;
1237 
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));
1241  $offset += 4;
1242  $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1243  $offset += 2;
1244  }
1245 
1246  break;
1247 
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.
1256 
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
1270 
1271  // shortcut
1272  $thisfile_asf['asf_index_object'] = array();
1273  $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1274 
1275  $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
1276  $offset = 24;
1277 
1278  $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1279  $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1280  $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1281 
1282  $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1283  $offset += 4;
1284  $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1285  $offset += 2;
1286  $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1287  $offset += 4;
1288 
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));
1292  $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));
1295  $offset += 2;
1296  $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1297  }
1298 
1299  $ASFIndexObjectData .= $this->fread(4);
1300  $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1301  $offset += 4;
1302 
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));
1306  $offset += 8;
1307  }
1308 
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));
1313  $offset += 4;
1314  }
1315  }
1316  break;
1317 
1318 
1319  default:
1320  // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1321  if ($this->GUIDname($NextObjectGUIDtext)) {
1322  $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
1323  } else {
1324  $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
1325  }
1326  $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
1327  break;
1328  }
1329  }
1330 
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']) {
1334  case 'WMV1':
1335  case 'WMV2':
1336  case 'WMV3':
1337  case 'MSS1':
1338  case 'MSS2':
1339  case 'WMVA':
1340  case 'WVC1':
1341  case 'WMVP':
1342  case 'WVP2':
1343  $thisfile_video['dataformat'] = 'wmv';
1344  $info['mime_type'] = 'video/x-ms-wmv';
1345  break;
1346 
1347  case 'MP42':
1348  case 'MP43':
1349  case 'MP4S':
1350  case 'mp4s':
1351  $thisfile_video['dataformat'] = 'asf';
1352  $info['mime_type'] = 'video/x-ms-asf';
1353  break;
1354 
1355  default:
1356  switch ($streamdata['type_raw']) {
1357  case 1:
1358  if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1359  $thisfile_video['dataformat'] = 'wmv';
1360  if ($info['mime_type'] == 'video/x-ms-asf') {
1361  $info['mime_type'] = 'video/x-ms-wmv';
1362  }
1363  }
1364  break;
1365 
1366  case 2:
1367  if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1368  $thisfile_audio['dataformat'] = 'wma';
1369  if ($info['mime_type'] == 'video/x-ms-asf') {
1370  $info['mime_type'] = 'audio/x-ms-wma';
1371  }
1372  }
1373  break;
1374 
1375  }
1376  break;
1377  }
1378  }
1379  }
1380 
1381  switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
1382  case 'MPEG Layer-3':
1383  $thisfile_audio['dataformat'] = 'mp3';
1384  break;
1385 
1386  default:
1387  break;
1388  }
1389 
1390  if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1391  foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1392  switch ($streamdata['type_raw']) {
1393 
1394  case 1: // video
1395  $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1396  break;
1397 
1398  case 2: // audio
1399  $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1400 
1401  // AH 2003-10-01
1402  $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1403 
1404  $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1405  break;
1406 
1407  default:
1408  $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
1409  break;
1410 
1411  }
1412  }
1413  }
1414 
1415  if (isset($info['audio'])) {
1416  $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1417  $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
1418  }
1419  if (!empty($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']) ? $thisfile_video['dataformat'] : 'asf');
1423  }
1424  if (!empty($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'];
1431  }
1432  }
1433  }
1434  $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
1435 
1436  if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1437  $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1438  }
1439 
1440  return true;
1441  }
1442 
1443  public static function codecListObjectTypeLookup($CodecListType) {
1444  static $lookup = array(
1445  0x0001 => 'Video Codec',
1446  0x0002 => 'Audio Codec',
1447  0xFFFF => 'Unknown Codec'
1448  );
1449 
1450  return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
1451  }
1452 
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
1563  );
1564  return $GUIDarray;
1565  }
1566 
1567  public static function GUIDname($GUIDstring) {
1568  static $GUIDarray = array();
1569  if (empty($GUIDarray)) {
1570  $GUIDarray = self::KnownGUIDs();
1571  }
1572  return array_search($GUIDstring, $GUIDarray);
1573  }
1574 
1575  public static function ASFIndexObjectIndexTypeLookup($id) {
1576  static $ASFIndexObjectIndexTypeLookup = array();
1577  if (empty($ASFIndexObjectIndexTypeLookup)) {
1578  $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1579  $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1580  $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1581  }
1582  return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1583  }
1584 
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
1592 
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
1595 
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)));
1600 
1601  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1602  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1603 
1604  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1605  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1606 
1607  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1608  $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1609 
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)));
1616 
1617  return $hexbytecharstring;
1618  }
1619 
1620  public static function BytestringToGUID($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);
1625  $GUIDstring .= '-';
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);
1628  $GUIDstring .= '-';
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);
1631  $GUIDstring .= '-';
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);
1634  $GUIDstring .= '-';
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);
1641 
1642  return strtoupper($GUIDstring);
1643  }
1644 
1645  public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1646  // FILETIME is a 64-bit unsigned integer representing
1647  // the number of 100-nanosecond intervals since January 1, 1601
1648  // UNIX timestamp is number of seconds since January 1, 1970
1649  // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1650  if ($round) {
1651  return intval(round(($FILETIME - 116444736000000000) / 10000000));
1652  }
1653  return ($FILETIME - 116444736000000000) / 10000000;
1654  }
1655 
1656  public static function WMpictureTypeLookup($WMpictureType) {
1657  static $lookup = null;
1658  if ($lookup === null) {
1659  $lookup = array(
1660  0x03 => 'Front Cover',
1661  0x04 => 'Back Cover',
1662  0x00 => 'User Defined',
1663  0x05 => 'Leaflet Page',
1664  0x06 => 'Media Label',
1665  0x07 => 'Lead Artist',
1666  0x08 => 'Artist',
1667  0x09 => 'Conductor',
1668  0x0A => 'Band',
1669  0x0B => 'Composer',
1670  0x0C => 'Lyricist',
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'
1678  );
1679  $lookup = array_map(function($str) {
1680  return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
1681  }, $lookup);
1682  }
1683 
1684  return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
1685  }
1686 
1687  public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1688  // http://msdn.microsoft.com/en-us/library/bb643323.aspx
1689 
1690  $offset = 0;
1691  $objectOffset = 0;
1692  $HeaderExtensionObjectParsed = array();
1693  while ($objectOffset < strlen($asf_header_extension_object_data)) {
1694  $offset = $objectOffset;
1695  $thisObject = array();
1696 
1697  $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
1698  $offset += 16;
1699  $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1700  $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1701 
1702  $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1703  $offset += 8;
1704  if ($thisObject['size'] <= 0) {
1705  break;
1706  }
1707 
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));
1711  $offset += 8;
1712  $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1713 
1714  $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1715  $offset += 8;
1716  $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1717 
1718  $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1719  $offset += 4;
1720 
1721  $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1722  $offset += 4;
1723 
1724  $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1725  $offset += 4;
1726 
1727  $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1728  $offset += 4;
1729 
1730  $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1731  $offset += 4;
1732 
1733  $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1734  $offset += 4;
1735 
1736  $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1737  $offset += 4;
1738 
1739  $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1740  $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;
1745 
1746  $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1747  $offset += 2;
1748 
1749  $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1750  $offset += 2;
1751 
1752  $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1753  $offset += 4;
1754 
1755  $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1756  $offset += 2;
1757 
1758  $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1759  $offset += 2;
1760 
1761  for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
1762  $streamName = array();
1763 
1764  $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1765  $offset += 2;
1766 
1767  $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1768  $offset += 2;
1769 
1770  $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
1771  $offset += $streamName['stream_name_length'];
1772 
1773  $thisObject['stream_names'][$i] = $streamName;
1774  }
1775 
1776  for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
1777  $payloadExtensionSystem = array();
1778 
1779  $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
1780  $offset += 16;
1781  $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1782 
1783  $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1784  $offset += 2;
1785  if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1786  break 2;
1787  }
1788 
1789  $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1790  $offset += 4;
1791 
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'];
1794 
1795  $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1796  }
1797 
1798  break;
1799 
1800  case GETID3_ASF_Padding_Object:
1801  // padding, skip it
1802  break;
1803 
1804  case GETID3_ASF_Metadata_Object:
1805  $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1806  $offset += 2;
1807 
1808  for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
1809  $descriptionRecord = array();
1810 
1811  $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero
1812  $offset += 2;
1813 
1814  $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1815  $offset += 2;
1816 
1817  $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1818  $offset += 2;
1819 
1820  $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1821  $offset += 2;
1822  $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1823 
1824  $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1825  $offset += 4;
1826 
1827  $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1828  $offset += $descriptionRecord['name_length'];
1829 
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
1834  break;
1835 
1836  case 0x0001: // BYTE array
1837  // do nothing
1838  break;
1839 
1840  case 0x0002: // BOOL
1841  $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1842  break;
1843 
1844  case 0x0003: // DWORD
1845  case 0x0004: // QWORD
1846  case 0x0005: // WORD
1847  $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1848  break;
1849 
1850  case 0x0006: // GUID
1851  $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1852  break;
1853  }
1854 
1855  $thisObject['description_record'][$i] = $descriptionRecord;
1856  }
1857  break;
1858 
1859  case GETID3_ASF_Language_List_Object:
1860  $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1861  $offset += 2;
1862 
1863  for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
1864  $languageIDrecord = array();
1865 
1866  $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
1867  $offset += 1;
1868 
1869  $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
1870  $offset += $languageIDrecord['language_id_length'];
1871 
1872  $thisObject['language_id_record'][$i] = $languageIDrecord;
1873  }
1874  break;
1875 
1876  case GETID3_ASF_Metadata_Library_Object:
1877  $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1878  $offset += 2;
1879 
1880  for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
1881  $descriptionRecord = array();
1882 
1883  $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1884  $offset += 2;
1885 
1886  $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1887  $offset += 2;
1888 
1889  $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1890  $offset += 2;
1891 
1892  $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1893  $offset += 2;
1894  $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1895 
1896  $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1897  $offset += 4;
1898 
1899  $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1900  $offset += $descriptionRecord['name_length'];
1901 
1902  $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1903  $offset += $descriptionRecord['data_length'];
1904 
1905  if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1906  $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1907  foreach ($WMpicture as $key => $value) {
1908  $descriptionRecord['data'] = $WMpicture;
1909  }
1910  unset($WMpicture);
1911  }
1912 
1913  $thisObject['description_record'][$i] = $descriptionRecord;
1914  }
1915  break;
1916 
1917  default:
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));
1921  } else {
1922  $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
1923  }
1924  break;
1925  }
1926  $HeaderExtensionObjectParsed[] = $thisObject;
1927 
1928  $objectOffset += $thisObject['size'];
1929  }
1930  return $HeaderExtensionObjectParsed;
1931  }
1932 
1933 
1934  public static function metadataLibraryObjectDataTypeLookup($id) {
1935  static $lookup = array(
1936  0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1937  0x0001 => 'BYTE array', // The type of the data is implementation-specific
1938  0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1939  0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1940  0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
1941  0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
1942  0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID
1943  );
1944  return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
1945  }
1946 
1947  public function ASF_WMpicture(&$data) {
1948  //typedef struct _WMPicture{
1949  // LPWSTR pwszMIMEType;
1950  // BYTE bPictureType;
1951  // LPWSTR pwszDescription;
1952  // DWORD dwDataLen;
1953  // BYTE* pbData;
1954  //} WM_PICTURE;
1955 
1956  $WMpicture = array();
1957 
1958  $offset = 0;
1959  $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
1960  $offset += 1;
1961  $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']);
1962  $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
1963  $offset += 4;
1964 
1965  $WMpicture['image_mime'] = '';
1966  do {
1967  $next_byte_pair = substr($data, $offset, 2);
1968  $offset += 2;
1969  $WMpicture['image_mime'] .= $next_byte_pair;
1970  } while ($next_byte_pair !== "\x00\x00");
1971 
1972  $WMpicture['image_description'] = '';
1973  do {
1974  $next_byte_pair = substr($data, $offset, 2);
1975  $offset += 2;
1976  $WMpicture['image_description'] .= $next_byte_pair;
1977  } while ($next_byte_pair !== "\x00\x00");
1978 
1979  $WMpicture['dataoffset'] = $offset;
1980  $WMpicture['data'] = substr($data, $offset);
1981 
1982  $imageinfo = array();
1983  $WMpicture['image_mime'] = '';
1984  $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
1985  unset($imageinfo);
1986  if (!empty($imagechunkcheck)) {
1987  $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
1988  }
1989  if (!isset($this->getid3->info['asf']['comments']['picture'])) {
1990  $this->getid3->info['asf']['comments']['picture'] = array();
1991  }
1992  $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
1993 
1994  return $WMpicture;
1995  }
1996 
1997 
1998  // Remove terminator 00 00 and convert UTF-16LE to Latin-1
1999  public static function TrimConvert($string) {
2000  return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
2001  }
2002 
2003 
2004  // Remove terminator 00 00
2005  public static function TrimTerm($string) {
2006  // remove terminator, only if present (it should be, but...)
2007  if (substr($string, -2) === "\x00\x00") {
2008  $string = substr($string, 0, -2);
2009  }
2010  return $string;
2011  }
2012 
2013 }
getid3_asf\metadataLibraryObjectDataTypeLookup
static metadataLibraryObjectDataTypeLookup($id)
Definition: module.audio-video.asf.php:1934
getid3_handler\$getid3
$getid3
Definition: getid3.php:1621
getid3_asf\__construct
__construct(getID3 $getid3)
Definition: module.audio-video.asf.php:21
getid3_asf\codecListObjectTypeLookup
static codecListObjectTypeLookup($CodecListType)
Definition: module.audio-video.asf.php:1443
getid3_handler\error
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Definition: getid3.php:1752
getid3_asf\Analyze
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Definition: module.audio-video.asf.php:33
getid3_asf\HeaderExtensionObjectDataParse
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Definition: module.audio-video.asf.php:1687
getid3_asf\FILETIMEtoUNIXtime
static FILETIMEtoUNIXtime($FILETIME, $round=true)
Definition: module.audio-video.asf.php:1645
$id
if(!array_key_exists('StateId', $_REQUEST)) $id
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getid3_handler\warning
warning($text)
Definition: getid3.php:1758
getid3_riff\parseWAVEFORMATex
static parseWAVEFORMATex($WaveFormatExData)
Definition: module.audio-video.riff.php:1823
getid3_lib\iconv_fallback
static iconv_fallback($in_charset, $out_charset, $string)
Definition: getid3.lib.php:957
getid3_lib\LittleEndian2Int
static LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:292
getid3_lib\IncludeDependency
static IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1373
getid3_asf\GUIDtoBytestring
static GUIDtoBytestring($GUIDstring)
Definition: module.audio-video.asf.php:1585
getid3_riff\fourccLookup
static fourccLookup($fourcc)
Definition: module.audio-video.riff.php:2194
getid3_asf\KnownGUIDs
static KnownGUIDs()
Definition: module.audio-video.asf.php:1453
getid3_handler
Definition: getid3.php:1616
getid3_asf\TrimTerm
static TrimTerm($string)
Definition: module.audio-video.asf.php:2005
getid3_lib\PrintHexBytes
static PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8')
Definition: getid3.lib.php:18
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1683
getid3_id3v2
Definition: module.tag.id3v2.php:19
getid3_asf\BytestringToGUID
static BytestringToGUID($Bytestring)
Definition: module.audio-video.asf.php:1620
getid3_lib\GetDataImageSize
static GetDataImageSize($imgData, &$imageinfo=array())
Definition: getid3.lib.php:1179
getid3_asf\ASF_WMpicture
ASF_WMpicture(&$data)
Definition: module.audio-video.asf.php:1947
array
Create styles array
The data for the language used.
Definition: 40duplicateStyle.php:19
getid3_asf\ASFIndexObjectIndexTypeLookup
static ASFIndexObjectIndexTypeLookup($id)
Definition: module.audio-video.asf.php:1575
getid3_asf\TrimConvert
static TrimConvert($string)
Definition: module.audio-video.asf.php:1999
getid3_asf\GUIDname
static GUIDname($GUIDstring)
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$i
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getid3_asf
Definition: module.audio-video.asf.php:19
getid3_handler\fseek
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Definition: getid3.php:1711
defined
defined( 'APPLICATION_ENV')||define( 'APPLICATION_ENV'
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$info
$info
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getid3_handler\ftell
ftell()
Definition: getid3.php:1676
getid3_asf\WMpictureTypeLookup
static WMpictureTypeLookup($WMpictureType)
Definition: module.audio-video.asf.php:1656
$key
$key
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getid3_lib\array_merge_noclobber
static array_merge_noclobber($array1, $array2)
Definition: getid3.lib.php:402