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[SPIP] v3.2.12 -> v3.2.12 - Reinstallation avec le spip_loader
[lhc/web/www.git] / www / plugins-dist / medias / lib / getid3 / module.audio-video.asf.php
1 <?php
2 /////////////////////////////////////////////////////////////////
3 /// getID3() by James Heinrich <info@getid3.org> //
4 // available at https://github.com/JamesHeinrich/getID3 //
5 // or https://www.getid3.org //
6 // or http://getid3.sourceforge.net //
7 // see readme.txt for more details //
8 /////////////////////////////////////////////////////////////////
9 // //
10 // module.audio-video.asf.php //
11 // module for analyzing ASF, WMA and WMV files //
12 // dependencies: module.audio-video.riff.php //
13 // ///
14 /////////////////////////////////////////////////////////////////
15
16 if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
17 exit;
18 }
19 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
20
21 class getid3_asf extends getid3_handler
22 {
23 /**
24 * @param getID3 $getid3
25 */
26 public function __construct(getID3 $getid3) {
27 parent::__construct($getid3); // extends getid3_handler::__construct()
28
29 // initialize all GUID constants
30 $GUIDarray = $this->KnownGUIDs();
31 foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
32 if (!defined($GUIDname)) {
33 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
34 }
35 }
36 }
37
38 /**
39 * @return bool
40 */
41 public function Analyze() {
42 $info = &$this->getid3->info;
43
44 // Shortcuts
45 $thisfile_audio = &$info['audio'];
46 $thisfile_video = &$info['video'];
47 $info['asf'] = array();
48 $thisfile_asf = &$info['asf'];
49 $thisfile_asf['comments'] = array();
50 $thisfile_asf_comments = &$thisfile_asf['comments'];
51 $thisfile_asf['header_object'] = array();
52 $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
53
54
55 // ASF structure:
56 // * Header Object [required]
57 // * File Properties Object [required] (global file attributes)
58 // * Stream Properties Object [required] (defines media stream & characteristics)
59 // * Header Extension Object [required] (additional functionality)
60 // * Content Description Object (bibliographic information)
61 // * Script Command Object (commands for during playback)
62 // * Marker Object (named jumped points within the file)
63 // * Data Object [required]
64 // * Data Packets
65 // * Index Object
66
67 // Header Object: (mandatory, one only)
68 // Field Name Field Type Size (bits)
69 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
70 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
71 // Number of Header Objects DWORD 32 // number of objects in header object
72 // Reserved1 BYTE 8 // hardcoded: 0x01
73 // Reserved2 BYTE 8 // hardcoded: 0x02
74
75 $info['fileformat'] = 'asf';
76
77 $this->fseek($info['avdataoffset']);
78 $HeaderObjectData = $this->fread(30);
79
80 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
81 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
82 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
83 unset($info['fileformat'], $info['asf']);
84 return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}');
85 }
86 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
87 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
88 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
89 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
90
91 $NextObjectOffset = $this->ftell();
92 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
93 $offset = 0;
94 $thisfile_asf_streambitratepropertiesobject = array();
95 $thisfile_asf_codeclistobject = array();
96
97 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
98 $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
99 $offset += 16;
100 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
101 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
102 $offset += 8;
103 switch ($NextObjectGUID) {
104
105 case GETID3_ASF_File_Properties_Object:
106 // File Properties Object: (mandatory, one only)
107 // Field Name Field Type Size (bits)
108 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
109 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
110 // File ID GUID 128 // unique ID - identical to File ID in Data Object
111 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
112 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
113 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
114 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
115 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
116 // 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
117 // Flags DWORD 32 //
118 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
119 // * Seekable Flag bits 1 (0x02) // is file seekable
120 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
121 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
122 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
123 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
124
125 // shortcut
126 $thisfile_asf['file_properties_object'] = array();
127 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
128
129 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset;
130 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
131 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
132 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
133 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
134 $offset += 16;
135 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
136 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
137 $offset += 8;
138 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
139 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
140 $offset += 8;
141 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
142 $offset += 8;
143 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
144 $offset += 8;
145 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
146 $offset += 8;
147 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
148 $offset += 8;
149 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
150 $offset += 4;
151 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
152 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
153
154 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
155 $offset += 4;
156 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
157 $offset += 4;
158 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
159 $offset += 4;
160
161 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
162
163 // broadcast flag is set, some values invalid
164 unset($thisfile_asf_filepropertiesobject['filesize']);
165 unset($thisfile_asf_filepropertiesobject['data_packets']);
166 unset($thisfile_asf_filepropertiesobject['play_duration']);
167 unset($thisfile_asf_filepropertiesobject['send_duration']);
168 unset($thisfile_asf_filepropertiesobject['min_packet_size']);
169 unset($thisfile_asf_filepropertiesobject['max_packet_size']);
170
171 } else {
172
173 // broadcast flag NOT set, perform calculations
174 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
175
176 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
177 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
178 }
179 break;
180
181 case GETID3_ASF_Stream_Properties_Object:
182 // Stream Properties Object: (mandatory, one per media stream)
183 // Field Name Field Type Size (bits)
184 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
185 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
186 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
187 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
188 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
189 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
190 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
191 // Flags WORD 16 //
192 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
193 // * Reserved bits 8 (0x7F80) // reserved - set to zero
194 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
195 // Reserved DWORD 32 // reserved - set to zero
196 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
197 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
198
199 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
200 // stream number isn't known until halfway through decoding the structure, hence it
201 // it is decoded to a temporary variable and then stuck in the appropriate index later
202
203 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset;
204 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
205 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
206 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
207 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
208 $offset += 16;
209 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
210 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
211 $offset += 16;
212 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
213 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
214 $offset += 8;
215 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
216 $offset += 4;
217 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
218 $offset += 4;
219 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
220 $offset += 2;
221 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
222 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
223
224 $offset += 4; // reserved - DWORD
225 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
226 $offset += $StreamPropertiesObjectData['type_data_length'];
227 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
228 $offset += $StreamPropertiesObjectData['error_data_length'];
229
230 switch ($StreamPropertiesObjectData['stream_type']) {
231
232 case GETID3_ASF_Audio_Media:
233 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
234 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
235
236 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
237 unset($audiodata['raw']);
238 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
239 break;
240
241 case GETID3_ASF_Video_Media:
242 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
243 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
244 break;
245
246 case GETID3_ASF_Command_Media:
247 default:
248 // do nothing
249 break;
250
251 }
252
253 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
254 unset($StreamPropertiesObjectData); // clear for next stream, if any
255 break;
256
257 case GETID3_ASF_Header_Extension_Object:
258 // Header Extension Object: (mandatory, one only)
259 // Field Name Field Type Size (bits)
260 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
261 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
262 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
263 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
264 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
265 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
266
267 // shortcut
268 $thisfile_asf['header_extension_object'] = array();
269 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
270
271 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset;
272 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
273 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
274 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
275 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
276 $offset += 16;
277 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
278 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
279 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')');
280 //return false;
281 break;
282 }
283 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
284 $offset += 2;
285 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
286 $this->warning('header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"');
287 //return false;
288 break;
289 }
290 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
291 $offset += 4;
292 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
293 $unhandled_sections = 0;
294 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
295 if ($unhandled_sections === 0) {
296 unset($thisfile_asf_headerextensionobject['extension_data']);
297 }
298 $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
299 break;
300
301 case GETID3_ASF_Codec_List_Object:
302 // Codec List Object: (optional, one only)
303 // Field Name Field Type Size (bits)
304 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
305 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
306 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
307 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
308 // Codec Entries array of: variable //
309 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
310 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
311 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
312 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
313 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
314 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
315 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
316
317 // shortcut
318 $thisfile_asf['codec_list_object'] = array();
319 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
320
321 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset;
322 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
323 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
324 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
325 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
326 $offset += 16;
327 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
328 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
329 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
330 //return false;
331 break;
332 }
333 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
334 $offset += 4;
335 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
336 // shortcut
337 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
338 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
339
340 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
341 $offset += 2;
342 $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
343
344 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
345 $offset += 2;
346 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
347 $offset += $CodecNameLength;
348
349 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
350 $offset += 2;
351 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
352 $offset += $CodecDescriptionLength;
353
354 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
355 $offset += 2;
356 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
357 $offset += $CodecInformationLength;
358
359 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
360
361 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
362 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
363 } else {
364
365 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
366 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
367
368 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
369 $thisfile_audio['bitrate'] = (int) trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000;
370 }
371 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
372 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
373 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
374 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
375 }
376
377 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
378 switch ($AudioCodecFrequency) {
379 case 8:
380 case 8000:
381 $thisfile_audio['sample_rate'] = 8000;
382 break;
383
384 case 11:
385 case 11025:
386 $thisfile_audio['sample_rate'] = 11025;
387 break;
388
389 case 12:
390 case 12000:
391 $thisfile_audio['sample_rate'] = 12000;
392 break;
393
394 case 16:
395 case 16000:
396 $thisfile_audio['sample_rate'] = 16000;
397 break;
398
399 case 22:
400 case 22050:
401 $thisfile_audio['sample_rate'] = 22050;
402 break;
403
404 case 24:
405 case 24000:
406 $thisfile_audio['sample_rate'] = 24000;
407 break;
408
409 case 32:
410 case 32000:
411 $thisfile_audio['sample_rate'] = 32000;
412 break;
413
414 case 44:
415 case 441000:
416 $thisfile_audio['sample_rate'] = 44100;
417 break;
418
419 case 48:
420 case 48000:
421 $thisfile_audio['sample_rate'] = 48000;
422 break;
423
424 default:
425 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
426 break;
427 }
428
429 if (!isset($thisfile_audio['channels'])) {
430 if (strstr($AudioCodecChannels, 'stereo')) {
431 $thisfile_audio['channels'] = 2;
432 } elseif (strstr($AudioCodecChannels, 'mono')) {
433 $thisfile_audio['channels'] = 1;
434 }
435 }
436
437 }
438 }
439 }
440 break;
441
442 case GETID3_ASF_Script_Command_Object:
443 // Script Command Object: (optional, one only)
444 // Field Name Field Type Size (bits)
445 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
446 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
447 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
448 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
449 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
450 // Command Types array of: variable //
451 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
452 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
453 // Commands array of: variable //
454 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
455 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
456 // * Command Name Length WORD 16 // number of Unicode characters for Command Name
457 // * Command Name WCHAR variable // array of Unicode characters - name of this command
458
459 // shortcut
460 $thisfile_asf['script_command_object'] = array();
461 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
462
463 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset;
464 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
465 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
466 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
467 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
468 $offset += 16;
469 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
470 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
471 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
472 //return false;
473 break;
474 }
475 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
476 $offset += 2;
477 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
478 $offset += 2;
479 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
480 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
481 $offset += 2;
482 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
483 $offset += $CommandTypeNameLength;
484 }
485 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
486 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
487 $offset += 4;
488 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
489 $offset += 2;
490
491 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
492 $offset += 2;
493 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
494 $offset += $CommandTypeNameLength;
495 }
496 break;
497
498 case GETID3_ASF_Marker_Object:
499 // Marker Object: (optional, one only)
500 // Field Name Field Type Size (bits)
501 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
502 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
503 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
504 // Markers Count DWORD 32 // number of Marker structures in Marker Object
505 // Reserved WORD 16 // hardcoded: 0x0000
506 // Name Length WORD 16 // number of bytes in the Name field
507 // Name WCHAR variable // name of the Marker Object
508 // Markers array of: variable //
509 // * Offset QWORD 64 // byte offset into Data Object
510 // * Presentation Time QWORD 64 // in 100-nanosecond units
511 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
512 // * Send Time DWORD 32 // in milliseconds
513 // * Flags DWORD 32 // hardcoded: 0x00000000
514 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
515 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
516 // * Padding BYTESTREAM variable // optional padding bytes
517
518 // shortcut
519 $thisfile_asf['marker_object'] = array();
520 $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
521
522 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset;
523 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
524 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
525 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
526 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
527 $offset += 16;
528 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
529 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
530 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
531 break;
532 }
533 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
534 $offset += 4;
535 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
536 $offset += 2;
537 if ($thisfile_asf_markerobject['reserved_2'] != 0) {
538 $this->warning('marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"');
539 break;
540 }
541 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
542 $offset += 2;
543 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
544 $offset += $thisfile_asf_markerobject['name_length'];
545 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
546 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
547 $offset += 8;
548 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
549 $offset += 8;
550 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
551 $offset += 2;
552 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
553 $offset += 4;
554 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
555 $offset += 4;
556 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
557 $offset += 4;
558 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
559 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
560 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
561 if ($PaddingLength > 0) {
562 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
563 $offset += $PaddingLength;
564 }
565 }
566 break;
567
568 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
569 // Bitrate Mutual Exclusion Object: (optional)
570 // Field Name Field Type Size (bits)
571 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
572 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
573 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
574 // Stream Numbers Count WORD 16 // number of video streams
575 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
576
577 // shortcut
578 $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
579 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
580
581 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset;
582 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
583 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
584 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
585 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
586 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
587 $offset += 16;
588 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
589 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}');
590 //return false;
591 break;
592 }
593 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
594 $offset += 2;
595 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
596 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
597 $offset += 2;
598 }
599 break;
600
601 case GETID3_ASF_Error_Correction_Object:
602 // Error Correction Object: (optional, one only)
603 // Field Name Field Type Size (bits)
604 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
605 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
606 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
607 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
608 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
609
610 // shortcut
611 $thisfile_asf['error_correction_object'] = array();
612 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
613
614 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset;
615 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
616 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
617 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
618 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
619 $offset += 16;
620 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
621 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
622 $offset += 4;
623 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
624 case GETID3_ASF_No_Error_Correction:
625 // should be no data, but just in case there is, skip to the end of the field
626 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
627 break;
628
629 case GETID3_ASF_Audio_Spread:
630 // Field Name Field Type Size (bits)
631 // Span BYTE 8 // number of packets over which audio will be spread.
632 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
633 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
634 // Silence Data Length WORD 16 // number of bytes in Silence Data field
635 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
636
637 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
638 $offset += 1;
639 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
640 $offset += 2;
641 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
642 $offset += 2;
643 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
644 $offset += 2;
645 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
646 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
647 break;
648
649 default:
650 $this->warning('error_correction_object.error_correction_type GUID {'.$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).'}');
651 //return false;
652 break;
653 }
654
655 break;
656
657 case GETID3_ASF_Content_Description_Object:
658 // Content Description Object: (optional, one only)
659 // Field Name Field Type Size (bits)
660 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
661 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
662 // Title Length WORD 16 // number of bytes in Title field
663 // Author Length WORD 16 // number of bytes in Author field
664 // Copyright Length WORD 16 // number of bytes in Copyright field
665 // Description Length WORD 16 // number of bytes in Description field
666 // Rating Length WORD 16 // number of bytes in Rating field
667 // Title WCHAR 16 // array of Unicode characters - Title
668 // Author WCHAR 16 // array of Unicode characters - Author
669 // Copyright WCHAR 16 // array of Unicode characters - Copyright
670 // Description WCHAR 16 // array of Unicode characters - Description
671 // Rating WCHAR 16 // array of Unicode characters - Rating
672
673 // shortcut
674 $thisfile_asf['content_description_object'] = array();
675 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
676
677 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset;
678 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
679 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
680 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
681 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
682 $offset += 2;
683 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
684 $offset += 2;
685 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
686 $offset += 2;
687 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
688 $offset += 2;
689 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
690 $offset += 2;
691 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
692 $offset += $thisfile_asf_contentdescriptionobject['title_length'];
693 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
694 $offset += $thisfile_asf_contentdescriptionobject['author_length'];
695 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
696 $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
697 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
698 $offset += $thisfile_asf_contentdescriptionobject['description_length'];
699 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
700 $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
701
702 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
703 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
704 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
705 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
706 }
707 }
708 break;
709
710 case GETID3_ASF_Extended_Content_Description_Object:
711 // Extended Content Description Object: (optional, one only)
712 // Field Name Field Type Size (bits)
713 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
714 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
715 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
716 // Content Descriptors array of: variable //
717 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
718 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
719 // * Descriptor Value Data Type WORD 16 // Lookup array:
720 // 0x0000 = Unicode String (variable length)
721 // 0x0001 = BYTE array (variable length)
722 // 0x0002 = BOOL (DWORD, 32 bits)
723 // 0x0003 = DWORD (DWORD, 32 bits)
724 // 0x0004 = QWORD (QWORD, 64 bits)
725 // 0x0005 = WORD (WORD, 16 bits)
726 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
727 // * Descriptor Value variable variable // value for Content Descriptor
728
729 // shortcut
730 $thisfile_asf['extended_content_description_object'] = array();
731 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
732
733 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset;
734 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
735 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
736 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
737 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
738 $offset += 2;
739 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
740 // shortcut
741 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
742 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
743
744 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30;
745 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
746 $offset += 2;
747 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
748 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
749 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
750 $offset += 2;
751 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
752 $offset += 2;
753 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
754 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
755 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
756 case 0x0000: // Unicode string
757 break;
758
759 case 0x0001: // BYTE array
760 // do nothing
761 break;
762
763 case 0x0002: // BOOL
764 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
765 break;
766
767 case 0x0003: // DWORD
768 case 0x0004: // QWORD
769 case 0x0005: // WORD
770 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
771 break;
772
773 default:
774 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
775 //return false;
776 break;
777 }
778 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
779
780 case 'wm/albumartist':
781 case 'artist':
782 // Note: not 'artist', that comes from 'author' tag
783 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
784 break;
785
786 case 'wm/albumtitle':
787 case 'album':
788 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
789 break;
790
791 case 'wm/genre':
792 case 'genre':
793 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
794 break;
795
796 case 'wm/partofset':
797 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
798 break;
799
800 case 'wm/tracknumber':
801 case 'tracknumber':
802 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
803 $thisfile_asf_comments['track_number'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
804 foreach ($thisfile_asf_comments['track_number'] as $key => $value) {
805 if (preg_match('/^[0-9\x00]+$/', $value)) {
806 $thisfile_asf_comments['track_number'][$key] = intval(str_replace("\x00", '', $value));
807 }
808 }
809 break;
810
811 case 'wm/track':
812 if (empty($thisfile_asf_comments['track_number'])) {
813 $thisfile_asf_comments['track_number'] = array(1 + (int) $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
814 }
815 break;
816
817 case 'wm/year':
818 case 'year':
819 case 'date':
820 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
821 break;
822
823 case 'wm/lyrics':
824 case 'lyrics':
825 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
826 break;
827
828 case 'isvbr':
829 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
830 $thisfile_audio['bitrate_mode'] = 'vbr';
831 $thisfile_video['bitrate_mode'] = 'vbr';
832 }
833 break;
834
835 case 'id3':
836 $this->getid3->include_module('tag.id3v2');
837
838 $getid3_id3v2 = new getid3_id3v2($this->getid3);
839 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
840 unset($getid3_id3v2);
841
842 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
843 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
844 }
845 break;
846
847 case 'wm/encodingtime':
848 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
849 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
850 break;
851
852 case 'wm/picture':
853 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
854 foreach ($WMpicture as $key => $value) {
855 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
856 }
857 unset($WMpicture);
858 /*
859 $wm_picture_offset = 0;
860 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
861 $wm_picture_offset += 1;
862 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
864 $wm_picture_offset += 4;
865
866 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
867 do {
868 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
869 $wm_picture_offset += 2;
870 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
871 } while ($next_byte_pair !== "\x00\x00");
872
873 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
874 do {
875 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
876 $wm_picture_offset += 2;
877 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
878 } while ($next_byte_pair !== "\x00\x00");
879
880 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
881 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
882 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
883
884 $imageinfo = array();
885 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
886 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
887 unset($imageinfo);
888 if (!empty($imagechunkcheck)) {
889 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
890 }
891 if (!isset($thisfile_asf_comments['picture'])) {
892 $thisfile_asf_comments['picture'] = array();
893 }
894 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
895 */
896 break;
897
898 default:
899 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
900 case 0: // Unicode string
901 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
902 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
903 }
904 break;
905
906 case 1:
907 break;
908 }
909 break;
910 }
911
912 }
913 break;
914
915 case GETID3_ASF_Stream_Bitrate_Properties_Object:
916 // Stream Bitrate Properties Object: (optional, one only)
917 // Field Name Field Type Size (bits)
918 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
919 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
920 // Bitrate Records Count WORD 16 // number of records in Bitrate Records
921 // Bitrate Records array of: variable //
922 // * Flags WORD 16 //
923 // * * Stream Number bits 7 (0x007F) // number of this stream
924 // * * Reserved bits 9 (0xFF80) // hardcoded: 0
925 // * Average Bitrate DWORD 32 // in bits per second
926
927 // shortcut
928 $thisfile_asf['stream_bitrate_properties_object'] = array();
929 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
930
931 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset;
932 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
933 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
934 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
935 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
936 $offset += 2;
937 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
938 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
939 $offset += 2;
940 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
941 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
942 $offset += 4;
943 }
944 break;
945
946 case GETID3_ASF_Padding_Object:
947 // Padding Object: (optional)
948 // Field Name Field Type Size (bits)
949 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object
950 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header
951 // Padding Data BYTESTREAM variable // ignore
952
953 // shortcut
954 $thisfile_asf['padding_object'] = array();
955 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
956
957 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset;
958 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
959 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
960 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
961 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
962 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
963 $offset += ($NextObjectSize - 16 - 8);
964 break;
965
966 case GETID3_ASF_Extended_Content_Encryption_Object:
967 case GETID3_ASF_Content_Encryption_Object:
968 // WMA DRM - just ignore
969 $offset += ($NextObjectSize - 16 - 8);
970 break;
971
972 default:
973 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
974 if ($this->GUIDname($NextObjectGUIDtext)) {
975 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
976 } else {
977 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
978 }
979 $offset += ($NextObjectSize - 16 - 8);
980 break;
981 }
982 }
983 if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) {
984 $ASFbitrateAudio = 0;
985 $ASFbitrateVideo = 0;
986 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
987 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
988 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
989 case 1:
990 $ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
991 break;
992
993 case 2:
994 $ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
995 break;
996
997 default:
998 // do nothing
999 break;
1000 }
1001 }
1002 }
1003 if ($ASFbitrateAudio > 0) {
1004 $thisfile_audio['bitrate'] = $ASFbitrateAudio;
1005 }
1006 if ($ASFbitrateVideo > 0) {
1007 $thisfile_video['bitrate'] = $ASFbitrateVideo;
1008 }
1009 }
1010 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1011
1012 $thisfile_audio['bitrate'] = 0;
1013 $thisfile_video['bitrate'] = 0;
1014
1015 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1016
1017 switch ($streamdata['stream_type']) {
1018 case GETID3_ASF_Audio_Media:
1019 // Field Name Field Type Size (bits)
1020 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
1021 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
1022 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
1023 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
1024 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
1025 // 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
1026 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
1027 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1028
1029 // shortcut
1030 $thisfile_asf['audio_media'][$streamnumber] = array();
1031 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
1032
1033 $audiomediaoffset = 0;
1034
1035 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1036 $audiomediaoffset += 16;
1037
1038 $thisfile_audio['lossless'] = false;
1039 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1040 case 0x0001: // PCM
1041 case 0x0163: // WMA9 Lossless
1042 $thisfile_audio['lossless'] = true;
1043 break;
1044 }
1045
1046 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1047 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1048 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1049 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1050 $thisfile_audio['bitrate'] += $dataarray['bitrate'];
1051 break;
1052 }
1053 }
1054 } else {
1055 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
1056 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
1057 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
1058 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
1059 }
1060 }
1061 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
1062 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1063 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
1064 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1065 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma';
1066 unset($thisfile_audio['streams'][$streamnumber]['raw']);
1067
1068 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1069 $audiomediaoffset += 2;
1070 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1071 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1072
1073 break;
1074
1075 case GETID3_ASF_Video_Media:
1076 // Field Name Field Type Size (bits)
1077 // Encoded Image Width DWORD 32 // width of image in pixels
1078 // Encoded Image Height DWORD 32 // height of image in pixels
1079 // Reserved Flags BYTE 8 // hardcoded: 0x02
1080 // Format Data Size WORD 16 // size of Format Data field in bytes
1081 // Format Data array of: variable //
1082 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1083 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1084 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1085 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1086 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1087 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1088 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1089 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1090 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1091 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1092 // * 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
1093 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1094
1095 // shortcut
1096 $thisfile_asf['video_media'][$streamnumber] = array();
1097 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1098
1099 $videomediaoffset = 0;
1100 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1101 $videomediaoffset += 4;
1102 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1103 $videomediaoffset += 4;
1104 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1105 $videomediaoffset += 1;
1106 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1107 $videomediaoffset += 2;
1108 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1109 $videomediaoffset += 4;
1110 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1111 $videomediaoffset += 4;
1112 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1113 $videomediaoffset += 4;
1114 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1115 $videomediaoffset += 2;
1116 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1117 $videomediaoffset += 2;
1118 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1119 $videomediaoffset += 4;
1120 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1121 $videomediaoffset += 4;
1122 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1123 $videomediaoffset += 4;
1124 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1125 $videomediaoffset += 4;
1126 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1127 $videomediaoffset += 4;
1128 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1129 $videomediaoffset += 4;
1130 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
1131
1132 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1133 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1134 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1135 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1136 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1137 $thisfile_video['bitrate'] += $dataarray['bitrate'];
1138 break;
1139 }
1140 }
1141 }
1142
1143 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1144
1145 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1146 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1147 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
1148 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
1149 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1150 break;
1151
1152 default:
1153 break;
1154 }
1155 }
1156 }
1157
1158 while ($this->ftell() < $info['avdataend']) {
1159 $NextObjectDataHeader = $this->fread(24);
1160 $offset = 0;
1161 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1162 $offset += 16;
1163 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1164 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1165 $offset += 8;
1166
1167 switch ($NextObjectGUID) {
1168 case GETID3_ASF_Data_Object:
1169 // Data Object: (mandatory, one only)
1170 // Field Name Field Type Size (bits)
1171 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object
1172 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1173 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object
1174 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1175 // Reserved WORD 16 // hardcoded: 0x0101
1176
1177 // shortcut
1178 $thisfile_asf['data_object'] = array();
1179 $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1180
1181 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
1182 $offset = 24;
1183
1184 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1185 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1186 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1187
1188 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1189 $offset += 16;
1190 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1191 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1192 $offset += 8;
1193 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1194 $offset += 2;
1195 if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1196 $this->warning('data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
1197 //return false;
1198 break;
1199 }
1200
1201 // Data Packets array of: variable //
1202 // * Error Correction Flags BYTE 8 //
1203 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1204 // * * Opaque Data Present bits 1 //
1205 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00
1206 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure
1207 // * Error Correction Data
1208
1209 $info['avdataoffset'] = $this->ftell();
1210 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1211 $info['avdataend'] = $this->ftell();
1212 break;
1213
1214 case GETID3_ASF_Simple_Index_Object:
1215 // Simple Index Object: (optional, recommended, one per video stream)
1216 // Field Name Field Type Size (bits)
1217 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object
1218 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header
1219 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1220 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units
1221 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries
1222 // Index Entries Count DWORD 32 // number of Index Entries structures
1223 // Index Entries array of: variable //
1224 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry
1225 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry
1226
1227 // shortcut
1228 $thisfile_asf['simple_index_object'] = array();
1229 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1230
1231 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
1232 $offset = 24;
1233
1234 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1235 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1236 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1237
1238 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1239 $offset += 16;
1240 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1241 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1242 $offset += 8;
1243 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1244 $offset += 4;
1245 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1246 $offset += 4;
1247
1248 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1249 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1250 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1251 $offset += 4;
1252 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1253 $offset += 2;
1254 }
1255
1256 break;
1257
1258 case GETID3_ASF_Index_Object:
1259 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1260 // Field Name Field Type Size (bits)
1261 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object
1262 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1263 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms.
1264 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object.
1265 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object.
1266
1267 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0.
1268 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
1269 // Index Specifiers array of: varies //
1270 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1271 // * Index Type WORD 16 // Specifies Index Type values as follows:
1272 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1273 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1274 // 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.
1275 // Nearest Past Cleanpoint is the most common type of index.
1276 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block.
1277 // * 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.
1278 // * Index Entries array of: varies //
1279 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value
1280
1281 // shortcut
1282 $thisfile_asf['asf_index_object'] = array();
1283 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1284
1285 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
1286 $offset = 24;
1287
1288 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1289 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1290 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1291
1292 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1293 $offset += 4;
1294 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1295 $offset += 2;
1296 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1297 $offset += 4;
1298
1299 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1300 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1301 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1302 $offset += 2;
1303 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
1304 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1305 $offset += 2;
1306 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1307 }
1308
1309 $ASFIndexObjectData .= $this->fread(4);
1310 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1311 $offset += 4;
1312
1313 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1314 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1315 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1316 $offset += 8;
1317 }
1318
1319 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1320 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1321 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1322 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1323 $offset += 4;
1324 }
1325 }
1326 break;
1327
1328
1329 default:
1330 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1331 if ($this->GUIDname($NextObjectGUIDtext)) {
1332 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
1333 } else {
1334 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
1335 }
1336 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
1337 break;
1338 }
1339 }
1340
1341 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1342 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1343 switch ($streamdata['information']) {
1344 case 'WMV1':
1345 case 'WMV2':
1346 case 'WMV3':
1347 case 'MSS1':
1348 case 'MSS2':
1349 case 'WMVA':
1350 case 'WVC1':
1351 case 'WMVP':
1352 case 'WVP2':
1353 $thisfile_video['dataformat'] = 'wmv';
1354 $info['mime_type'] = 'video/x-ms-wmv';
1355 break;
1356
1357 case 'MP42':
1358 case 'MP43':
1359 case 'MP4S':
1360 case 'mp4s':
1361 $thisfile_video['dataformat'] = 'asf';
1362 $info['mime_type'] = 'video/x-ms-asf';
1363 break;
1364
1365 default:
1366 switch ($streamdata['type_raw']) {
1367 case 1:
1368 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1369 $thisfile_video['dataformat'] = 'wmv';
1370 if ($info['mime_type'] == 'video/x-ms-asf') {
1371 $info['mime_type'] = 'video/x-ms-wmv';
1372 }
1373 }
1374 break;
1375
1376 case 2:
1377 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1378 $thisfile_audio['dataformat'] = 'wma';
1379 if ($info['mime_type'] == 'video/x-ms-asf') {
1380 $info['mime_type'] = 'audio/x-ms-wma';
1381 }
1382 }
1383 break;
1384
1385 }
1386 break;
1387 }
1388 }
1389 }
1390
1391 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
1392 case 'MPEG Layer-3':
1393 $thisfile_audio['dataformat'] = 'mp3';
1394 break;
1395
1396 default:
1397 break;
1398 }
1399
1400 if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1401 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1402 switch ($streamdata['type_raw']) {
1403
1404 case 1: // video
1405 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1406 break;
1407
1408 case 2: // audio
1409 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1410
1411 // AH 2003-10-01
1412 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1413
1414 $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1415 break;
1416
1417 default:
1418 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
1419 break;
1420
1421 }
1422 }
1423 }
1424
1425 if (isset($info['audio'])) {
1426 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1427 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
1428 }
1429 if (!empty($thisfile_video['dataformat'])) {
1430 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1431 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1432 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
1433 }
1434 if (!empty($thisfile_video['streams'])) {
1435 $thisfile_video['resolution_x'] = 0;
1436 $thisfile_video['resolution_y'] = 0;
1437 foreach ($thisfile_video['streams'] as $key => $valuearray) {
1438 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
1439 $thisfile_video['resolution_x'] = $valuearray['resolution_x'];
1440 $thisfile_video['resolution_y'] = $valuearray['resolution_y'];
1441 }
1442 }
1443 }
1444 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
1445
1446 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1447 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1448 }
1449
1450 return true;
1451 }
1452
1453 /**
1454 * @param int $CodecListType
1455 *
1456 * @return string
1457 */
1458 public static function codecListObjectTypeLookup($CodecListType) {
1459 static $lookup = array(
1460 0x0001 => 'Video Codec',
1461 0x0002 => 'Audio Codec',
1462 0xFFFF => 'Unknown Codec'
1463 );
1464
1465 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
1466 }
1467
1468 /**
1469 * @return array
1470 */
1471 public static function KnownGUIDs() {
1472 static $GUIDarray = array(
1473 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A',
1474 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
1475 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
1476 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
1477 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
1478 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
1479 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
1480 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
1481 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C',
1482 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB',
1483 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B',
1484 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
1485 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
1486 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
1487 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054',
1488 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
1489 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
1490 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
1491 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
1492 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
1493 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
1494 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
1495 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
1496 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
1497 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
1498 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
1499 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
1500 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6',
1501 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6',
1502 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
1503 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
1504 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95',
1505 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD',
1506 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
1507 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
1508 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
1509 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
1510 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
1511 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
1512 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
1513 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
1514 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
1515 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD',
1516 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
1517 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
1518 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
1519 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
1520 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
1521 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
1522 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
1523 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
1524 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
1525 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
1526 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
1527 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
1528 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
1529 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
1530 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
1531 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
1532 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
1533 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
1534 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
1535 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
1536 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
1537 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
1538 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
1539 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
1540 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
1541 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
1542 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
1543 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
1544 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
1545 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
1546 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
1547 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
1548 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
1549 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
1550 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
1551 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
1552 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
1553 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
1554 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
1555 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
1556 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
1557 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
1558 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
1559 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
1560 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
1561 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
1562 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
1563 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
1564 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
1565 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
1566 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
1567 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
1568 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
1569 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
1570 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
1571 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
1572 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C',
1573 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
1574 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365',
1575 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
1576 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
1577 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
1578 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
1579 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1580 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1581 );
1582 return $GUIDarray;
1583 }
1584
1585 /**
1586 * @param string $GUIDstring
1587 *
1588 * @return string|false
1589 */
1590 public static function GUIDname($GUIDstring) {
1591 static $GUIDarray = array();
1592 if (empty($GUIDarray)) {
1593 $GUIDarray = self::KnownGUIDs();
1594 }
1595 return array_search($GUIDstring, $GUIDarray);
1596 }
1597
1598 /**
1599 * @param int $id
1600 *
1601 * @return string
1602 */
1603 public static function ASFIndexObjectIndexTypeLookup($id) {
1604 static $ASFIndexObjectIndexTypeLookup = array();
1605 if (empty($ASFIndexObjectIndexTypeLookup)) {
1606 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1607 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1608 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1609 }
1610 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1611 }
1612
1613 /**
1614 * @param string $GUIDstring
1615 *
1616 * @return string
1617 */
1618 public static function GUIDtoBytestring($GUIDstring) {
1619 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1620 // first 4 bytes are in little-endian order
1621 // next 2 bytes are appended in little-endian order
1622 // next 2 bytes are appended in little-endian order
1623 // next 2 bytes are appended in big-endian order
1624 // next 6 bytes are appended in big-endian order
1625
1626 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1627 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1628
1629 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
1630 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
1631 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
1632 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
1633
1634 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1635 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1636
1637 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1638 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1639
1640 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1641 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1642
1643 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1644 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1645 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1646 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1647 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1648 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1649
1650 return $hexbytecharstring;
1651 }
1652
1653 /**
1654 * @param string $Bytestring
1655 *
1656 * @return string
1657 */
1658 public static function BytestringToGUID($Bytestring) {
1659 $GUIDstring = str_pad(dechex(ord($Bytestring[3])), 2, '0', STR_PAD_LEFT);
1660 $GUIDstring .= str_pad(dechex(ord($Bytestring[2])), 2, '0', STR_PAD_LEFT);
1661 $GUIDstring .= str_pad(dechex(ord($Bytestring[1])), 2, '0', STR_PAD_LEFT);
1662 $GUIDstring .= str_pad(dechex(ord($Bytestring[0])), 2, '0', STR_PAD_LEFT);
1663 $GUIDstring .= '-';
1664 $GUIDstring .= str_pad(dechex(ord($Bytestring[5])), 2, '0', STR_PAD_LEFT);
1665 $GUIDstring .= str_pad(dechex(ord($Bytestring[4])), 2, '0', STR_PAD_LEFT);
1666 $GUIDstring .= '-';
1667 $GUIDstring .= str_pad(dechex(ord($Bytestring[7])), 2, '0', STR_PAD_LEFT);
1668 $GUIDstring .= str_pad(dechex(ord($Bytestring[6])), 2, '0', STR_PAD_LEFT);
1669 $GUIDstring .= '-';
1670 $GUIDstring .= str_pad(dechex(ord($Bytestring[8])), 2, '0', STR_PAD_LEFT);
1671 $GUIDstring .= str_pad(dechex(ord($Bytestring[9])), 2, '0', STR_PAD_LEFT);
1672 $GUIDstring .= '-';
1673 $GUIDstring .= str_pad(dechex(ord($Bytestring[10])), 2, '0', STR_PAD_LEFT);
1674 $GUIDstring .= str_pad(dechex(ord($Bytestring[11])), 2, '0', STR_PAD_LEFT);
1675 $GUIDstring .= str_pad(dechex(ord($Bytestring[12])), 2, '0', STR_PAD_LEFT);
1676 $GUIDstring .= str_pad(dechex(ord($Bytestring[13])), 2, '0', STR_PAD_LEFT);
1677 $GUIDstring .= str_pad(dechex(ord($Bytestring[14])), 2, '0', STR_PAD_LEFT);
1678 $GUIDstring .= str_pad(dechex(ord($Bytestring[15])), 2, '0', STR_PAD_LEFT);
1679
1680 return strtoupper($GUIDstring);
1681 }
1682
1683 /**
1684 * @param int $FILETIME
1685 * @param bool $round
1686 *
1687 * @return float|int
1688 */
1689 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1690 // FILETIME is a 64-bit unsigned integer representing
1691 // the number of 100-nanosecond intervals since January 1, 1601
1692 // UNIX timestamp is number of seconds since January 1, 1970
1693 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1694 if ($round) {
1695 return intval(round(($FILETIME - 116444736000000000) / 10000000));
1696 }
1697 return ($FILETIME - 116444736000000000) / 10000000;
1698 }
1699
1700 /**
1701 * @param int $WMpictureType
1702 *
1703 * @return string
1704 */
1705 public static function WMpictureTypeLookup($WMpictureType) {
1706 static $lookup = null;
1707 if ($lookup === null) {
1708 $lookup = array(
1709 0x03 => 'Front Cover',
1710 0x04 => 'Back Cover',
1711 0x00 => 'User Defined',
1712 0x05 => 'Leaflet Page',
1713 0x06 => 'Media Label',
1714 0x07 => 'Lead Artist',
1715 0x08 => 'Artist',
1716 0x09 => 'Conductor',
1717 0x0A => 'Band',
1718 0x0B => 'Composer',
1719 0x0C => 'Lyricist',
1720 0x0D => 'Recording Location',
1721 0x0E => 'During Recording',
1722 0x0F => 'During Performance',
1723 0x10 => 'Video Screen Capture',
1724 0x12 => 'Illustration',
1725 0x13 => 'Band Logotype',
1726 0x14 => 'Publisher Logotype'
1727 );
1728 $lookup = array_map(function($str) {
1729 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
1730 }, $lookup);
1731 }
1732
1733 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
1734 }
1735
1736 /**
1737 * @param string $asf_header_extension_object_data
1738 * @param int $unhandled_sections
1739 *
1740 * @return array
1741 */
1742 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1743 // http://msdn.microsoft.com/en-us/library/bb643323.aspx
1744
1745 $offset = 0;
1746 $objectOffset = 0;
1747 $HeaderExtensionObjectParsed = array();
1748 while ($objectOffset < strlen($asf_header_extension_object_data)) {
1749 $offset = $objectOffset;
1750 $thisObject = array();
1751
1752 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
1753 $offset += 16;
1754 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1755 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1756
1757 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1758 $offset += 8;
1759 if ($thisObject['size'] <= 0) {
1760 break;
1761 }
1762
1763 switch ($thisObject['guid']) {
1764 case GETID3_ASF_Extended_Stream_Properties_Object:
1765 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1766 $offset += 8;
1767 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1768
1769 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1770 $offset += 8;
1771 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1772
1773 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1774 $offset += 4;
1775
1776 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1777 $offset += 4;
1778
1779 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1780 $offset += 4;
1781
1782 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1783 $offset += 4;
1784
1785 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1786 $offset += 4;
1787
1788 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1789 $offset += 4;
1790
1791 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1792 $offset += 4;
1793
1794 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1795 $offset += 4;
1796 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001;
1797 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002;
1798 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004;
1799 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
1800
1801 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1802 $offset += 2;
1803
1804 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1805 $offset += 2;
1806
1807 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1808 $offset += 4;
1809
1810 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1811 $offset += 2;
1812
1813 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1814 $offset += 2;
1815
1816 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
1817 $streamName = array();
1818
1819 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1820 $offset += 2;
1821
1822 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1823 $offset += 2;
1824
1825 $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
1826 $offset += $streamName['stream_name_length'];
1827
1828 $thisObject['stream_names'][$i] = $streamName;
1829 }
1830
1831 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
1832 $payloadExtensionSystem = array();
1833
1834 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
1835 $offset += 16;
1836 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1837
1838 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1839 $offset += 2;
1840 if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1841 break 2;
1842 }
1843
1844 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1845 $offset += 4;
1846
1847 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']));
1848 $offset += $payloadExtensionSystem['extension_system_info_length'];
1849
1850 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1851 }
1852
1853 break;
1854
1855 case GETID3_ASF_Padding_Object:
1856 // padding, skip it
1857 break;
1858
1859 case GETID3_ASF_Metadata_Object:
1860 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1861 $offset += 2;
1862
1863 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
1864 $descriptionRecord = array();
1865
1866 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero
1867 $offset += 2;
1868
1869 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1870 $offset += 2;
1871
1872 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1873 $offset += 2;
1874
1875 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1876 $offset += 2;
1877 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1878
1879 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1880 $offset += 4;
1881
1882 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1883 $offset += $descriptionRecord['name_length'];
1884
1885 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1886 $offset += $descriptionRecord['data_length'];
1887 switch ($descriptionRecord['data_type']) {
1888 case 0x0000: // Unicode string
1889 break;
1890
1891 case 0x0001: // BYTE array
1892 // do nothing
1893 break;
1894
1895 case 0x0002: // BOOL
1896 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1897 break;
1898
1899 case 0x0003: // DWORD
1900 case 0x0004: // QWORD
1901 case 0x0005: // WORD
1902 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1903 break;
1904
1905 case 0x0006: // GUID
1906 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1907 break;
1908 }
1909
1910 $thisObject['description_record'][$i] = $descriptionRecord;
1911 }
1912 break;
1913
1914 case GETID3_ASF_Language_List_Object:
1915 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1916 $offset += 2;
1917
1918 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
1919 $languageIDrecord = array();
1920
1921 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
1922 $offset += 1;
1923
1924 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
1925 $offset += $languageIDrecord['language_id_length'];
1926
1927 $thisObject['language_id_record'][$i] = $languageIDrecord;
1928 }
1929 break;
1930
1931 case GETID3_ASF_Metadata_Library_Object:
1932 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1933 $offset += 2;
1934
1935 for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
1936 $descriptionRecord = array();
1937
1938 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1939 $offset += 2;
1940
1941 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1942 $offset += 2;
1943
1944 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1945 $offset += 2;
1946
1947 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1948 $offset += 2;
1949 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1950
1951 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1952 $offset += 4;
1953
1954 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1955 $offset += $descriptionRecord['name_length'];
1956
1957 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1958 $offset += $descriptionRecord['data_length'];
1959
1960 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1961 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1962 foreach ($WMpicture as $key => $value) {
1963 $descriptionRecord['data'] = $WMpicture;
1964 }
1965 unset($WMpicture);
1966 }
1967
1968 $thisObject['description_record'][$i] = $descriptionRecord;
1969 }
1970 break;
1971
1972 default:
1973 $unhandled_sections++;
1974 if ($this->GUIDname($thisObject['guid_text'])) {
1975 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
1976 } else {
1977 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
1978 }
1979 break;
1980 }
1981 $HeaderExtensionObjectParsed[] = $thisObject;
1982
1983 $objectOffset += $thisObject['size'];
1984 }
1985 return $HeaderExtensionObjectParsed;
1986 }
1987
1988 /**
1989 * @param int $id
1990 *
1991 * @return string
1992 */
1993 public static function metadataLibraryObjectDataTypeLookup($id) {
1994 static $lookup = array(
1995 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1996 0x0001 => 'BYTE array', // The type of the data is implementation-specific
1997 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1998 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1999 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
2000 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
2001 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID
2002 );
2003 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
2004 }
2005
2006 /**
2007 * @param string $data
2008 *
2009 * @return array
2010 */
2011 public function ASF_WMpicture(&$data) {
2012 //typedef struct _WMPicture{
2013 // LPWSTR pwszMIMEType;
2014 // BYTE bPictureType;
2015 // LPWSTR pwszDescription;
2016 // DWORD dwDataLen;
2017 // BYTE* pbData;
2018 //} WM_PICTURE;
2019
2020 $WMpicture = array();
2021
2022 $offset = 0;
2023 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
2024 $offset += 1;
2025 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']);
2026 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
2027 $offset += 4;
2028
2029 $WMpicture['image_mime'] = '';
2030 do {
2031 $next_byte_pair = substr($data, $offset, 2);
2032 $offset += 2;
2033 $WMpicture['image_mime'] .= $next_byte_pair;
2034 } while ($next_byte_pair !== "\x00\x00");
2035
2036 $WMpicture['image_description'] = '';
2037 do {
2038 $next_byte_pair = substr($data, $offset, 2);
2039 $offset += 2;
2040 $WMpicture['image_description'] .= $next_byte_pair;
2041 } while ($next_byte_pair !== "\x00\x00");
2042
2043 $WMpicture['dataoffset'] = $offset;
2044 $WMpicture['data'] = substr($data, $offset);
2045
2046 $imageinfo = array();
2047 $WMpicture['image_mime'] = '';
2048 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
2049 unset($imageinfo);
2050 if (!empty($imagechunkcheck)) {
2051 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
2052 }
2053 if (!isset($this->getid3->info['asf']['comments']['picture'])) {
2054 $this->getid3->info['asf']['comments']['picture'] = array();
2055 }
2056 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
2057
2058 return $WMpicture;
2059 }
2060
2061 /**
2062 * Remove terminator 00 00 and convert UTF-16LE to Latin-1.
2063 *
2064 * @param string $string
2065 *
2066 * @return string
2067 */
2068 public static function TrimConvert($string) {
2069 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
2070 }
2071
2072 /**
2073 * Remove terminator 00 00.
2074 *
2075 * @param string $string
2076 *
2077 * @return string
2078 */
2079 public static function TrimTerm($string) {
2080 // remove terminator, only if present (it should be, but...)
2081 if (substr($string, -2) === "\x00\x00") {
2082 $string = substr($string, 0, -2);
2083 }
2084 return $string;
2085 }
2086
2087 }
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