ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
module.audio-video.asf.php
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1<?php
4// available at http://getid3.sourceforge.net //
5// or http://www.getid3.org //
6// also https://github.com/JamesHeinrich/getID3 //
8// See readme.txt for more details //
10// //
11// module.audio-video.asf.php //
12// module for analyzing ASF, WMA and WMV files //
13// dependencies: module.audio-video.riff.php //
14// ///
16
17getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
18
19class getid3_asf extends getid3_handler {
20
21 public function __construct(getID3 $getid3) {
22 parent::__construct($getid3); // extends getid3_handler::__construct()
23
24 // initialize all GUID constants
25 $GUIDarray = $this->KnownGUIDs();
26 foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
27 if (!defined($GUIDname)) {
28 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
29 }
30 }
31 }
32
33 public function Analyze() {
34 $info = &$this->getid3->info;
35
36 // Shortcuts
37 $thisfile_audio = &$info['audio'];
38 $thisfile_video = &$info['video'];
39 $info['asf'] = array();
40 $thisfile_asf = &$info['asf'];
41 $thisfile_asf['comments'] = array();
42 $thisfile_asf_comments = &$thisfile_asf['comments'];
43 $thisfile_asf['header_object'] = array();
44 $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
45
46
47 // ASF structure:
48 // * Header Object [required]
49 // * File Properties Object [required] (global file attributes)
50 // * Stream Properties Object [required] (defines media stream & characteristics)
51 // * Header Extension Object [required] (additional functionality)
52 // * Content Description Object (bibliographic information)
53 // * Script Command Object (commands for during playback)
54 // * Marker Object (named jumped points within the file)
55 // * Data Object [required]
56 // * Data Packets
57 // * Index Object
58
59 // Header Object: (mandatory, one only)
60 // Field Name Field Type Size (bits)
61 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
62 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
63 // Number of Header Objects DWORD 32 // number of objects in header object
64 // Reserved1 BYTE 8 // hardcoded: 0x01
65 // Reserved2 BYTE 8 // hardcoded: 0x02
66
67 $info['fileformat'] = 'asf';
68
69 $this->fseek($info['avdataoffset']);
70 $HeaderObjectData = $this->fread(30);
71
72 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
73 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
74 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
75 unset($info['fileformat'], $info['asf']);
76 return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}');
77 }
78 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
79 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
80 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
81 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
82
83 $NextObjectOffset = $this->ftell();
84 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
85 $offset = 0;
86
87 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
88 $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
89 $offset += 16;
90 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
91 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
92 $offset += 8;
93 switch ($NextObjectGUID) {
94
95 case GETID3_ASF_File_Properties_Object:
96 // File Properties Object: (mandatory, one only)
97 // Field Name Field Type Size (bits)
98 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
99 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
100 // File ID GUID 128 // unique ID - identical to File ID in Data Object
101 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
102 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
103 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
104 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
105 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
106 // Preroll QWORD 64 // time to buffer data before starting to play file, in 1-millisecond units. If <> 0, PlayDuration and PresentationTime have been offset by this amount
107 // Flags DWORD 32 //
108 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
109 // * Seekable Flag bits 1 (0x02) // is file seekable
110 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
111 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
112 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
113 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
114
115 // shortcut
116 $thisfile_asf['file_properties_object'] = array();
117 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
118
119 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset;
120 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
121 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
122 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
123 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
124 $offset += 16;
125 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
126 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
127 $offset += 8;
128 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
129 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
130 $offset += 8;
131 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
132 $offset += 8;
133 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
134 $offset += 8;
135 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
136 $offset += 8;
137 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
138 $offset += 8;
139 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
140 $offset += 4;
141 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
142 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
143
144 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
145 $offset += 4;
146 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
147 $offset += 4;
148 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
149 $offset += 4;
150
151 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
152
153 // broadcast flag is set, some values invalid
154 unset($thisfile_asf_filepropertiesobject['filesize']);
155 unset($thisfile_asf_filepropertiesobject['data_packets']);
156 unset($thisfile_asf_filepropertiesobject['play_duration']);
157 unset($thisfile_asf_filepropertiesobject['send_duration']);
158 unset($thisfile_asf_filepropertiesobject['min_packet_size']);
159 unset($thisfile_asf_filepropertiesobject['max_packet_size']);
160
161 } else {
162
163 // broadcast flag NOT set, perform calculations
164 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
165
166 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
167 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
168 }
169 break;
170
171 case GETID3_ASF_Stream_Properties_Object:
172 // Stream Properties Object: (mandatory, one per media stream)
173 // Field Name Field Type Size (bits)
174 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
175 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
176 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
177 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
178 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
179 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
180 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
181 // Flags WORD 16 //
182 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
183 // * Reserved bits 8 (0x7F80) // reserved - set to zero
184 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
185 // Reserved DWORD 32 // reserved - set to zero
186 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
187 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
188
189 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
190 // stream number isn't known until halfway through decoding the structure, hence it
191 // it is decoded to a temporary variable and then stuck in the appropriate index later
192
193 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset;
194 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
195 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
196 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
197 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
198 $offset += 16;
199 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
200 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
201 $offset += 16;
202 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
203 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
204 $offset += 8;
205 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
206 $offset += 4;
207 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
208 $offset += 4;
209 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
210 $offset += 2;
211 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
212 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
213
214 $offset += 4; // reserved - DWORD
215 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
216 $offset += $StreamPropertiesObjectData['type_data_length'];
217 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
218 $offset += $StreamPropertiesObjectData['error_data_length'];
219
220 switch ($StreamPropertiesObjectData['stream_type']) {
221
222 case GETID3_ASF_Audio_Media:
223 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
224 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
225
226 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
227 unset($audiodata['raw']);
228 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
229 break;
230
231 case GETID3_ASF_Video_Media:
232 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
233 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
234 break;
235
236 case GETID3_ASF_Command_Media:
237 default:
238 // do nothing
239 break;
240
241 }
242
243 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
244 unset($StreamPropertiesObjectData); // clear for next stream, if any
245 break;
246
247 case GETID3_ASF_Header_Extension_Object:
248 // Header Extension Object: (mandatory, one only)
249 // Field Name Field Type Size (bits)
250 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
251 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
252 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
253 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
254 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
255 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
256
257 // shortcut
258 $thisfile_asf['header_extension_object'] = array();
259 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
260
261 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset;
262 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
263 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
264 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
265 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
266 $offset += 16;
267 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
268 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
269 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')');
270 //return false;
271 break;
272 }
273 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
274 $offset += 2;
275 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
276 $this->warning('header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"');
277 //return false;
278 break;
279 }
280 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
281 $offset += 4;
282 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
283 $unhandled_sections = 0;
284 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
285 if ($unhandled_sections === 0) {
286 unset($thisfile_asf_headerextensionobject['extension_data']);
287 }
288 $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
289 break;
290
291 case GETID3_ASF_Codec_List_Object:
292 // Codec List Object: (optional, one only)
293 // Field Name Field Type Size (bits)
294 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
295 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
296 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
297 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
298 // Codec Entries array of: variable //
299 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
300 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
301 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
302 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
303 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
304 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
305 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
306
307 // shortcut
308 $thisfile_asf['codec_list_object'] = array();
309 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
310
311 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset;
312 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
313 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
314 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
315 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
316 $offset += 16;
317 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
318 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
319 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
320 //return false;
321 break;
322 }
323 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
324 $offset += 4;
325 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
326 // shortcut
327 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
328 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
329
330 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
331 $offset += 2;
332 $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
333
334 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
335 $offset += 2;
336 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
337 $offset += $CodecNameLength;
338
339 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
340 $offset += 2;
341 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
342 $offset += $CodecDescriptionLength;
343
344 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
345 $offset += 2;
346 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
347 $offset += $CodecInformationLength;
348
349 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
350
351 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
352 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
353 } else {
354
355 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
356 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
357
358 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
359 $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
360 }
361 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
362 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
363 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
364 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
365 }
366
367 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
368 switch ($AudioCodecFrequency) {
369 case 8:
370 case 8000:
371 $thisfile_audio['sample_rate'] = 8000;
372 break;
373
374 case 11:
375 case 11025:
376 $thisfile_audio['sample_rate'] = 11025;
377 break;
378
379 case 12:
380 case 12000:
381 $thisfile_audio['sample_rate'] = 12000;
382 break;
383
384 case 16:
385 case 16000:
386 $thisfile_audio['sample_rate'] = 16000;
387 break;
388
389 case 22:
390 case 22050:
391 $thisfile_audio['sample_rate'] = 22050;
392 break;
393
394 case 24:
395 case 24000:
396 $thisfile_audio['sample_rate'] = 24000;
397 break;
398
399 case 32:
400 case 32000:
401 $thisfile_audio['sample_rate'] = 32000;
402 break;
403
404 case 44:
405 case 441000:
406 $thisfile_audio['sample_rate'] = 44100;
407 break;
408
409 case 48:
410 case 48000:
411 $thisfile_audio['sample_rate'] = 48000;
412 break;
413
414 default:
415 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
416 break;
417 }
418
419 if (!isset($thisfile_audio['channels'])) {
420 if (strstr($AudioCodecChannels, 'stereo')) {
421 $thisfile_audio['channels'] = 2;
422 } elseif (strstr($AudioCodecChannels, 'mono')) {
423 $thisfile_audio['channels'] = 1;
424 }
425 }
426
427 }
428 }
429 }
430 break;
431
432 case GETID3_ASF_Script_Command_Object:
433 // Script Command Object: (optional, one only)
434 // Field Name Field Type Size (bits)
435 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
436 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
437 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
438 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
439 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
440 // Command Types array of: variable //
441 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
442 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
443 // Commands array of: variable //
444 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
445 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
446 // * Command Name Length WORD 16 // number of Unicode characters for Command Name
447 // * Command Name WCHAR variable // array of Unicode characters - name of this command
448
449 // shortcut
450 $thisfile_asf['script_command_object'] = array();
451 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
452
453 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset;
454 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
455 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
456 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
457 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
458 $offset += 16;
459 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
460 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
461 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
462 //return false;
463 break;
464 }
465 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
466 $offset += 2;
467 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
468 $offset += 2;
469 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
470 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
471 $offset += 2;
472 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
473 $offset += $CommandTypeNameLength;
474 }
475 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
476 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
477 $offset += 4;
478 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
479 $offset += 2;
480
481 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
482 $offset += 2;
483 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
484 $offset += $CommandTypeNameLength;
485 }
486 break;
487
488 case GETID3_ASF_Marker_Object:
489 // Marker Object: (optional, one only)
490 // Field Name Field Type Size (bits)
491 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
492 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
493 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
494 // Markers Count DWORD 32 // number of Marker structures in Marker Object
495 // Reserved WORD 16 // hardcoded: 0x0000
496 // Name Length WORD 16 // number of bytes in the Name field
497 // Name WCHAR variable // name of the Marker Object
498 // Markers array of: variable //
499 // * Offset QWORD 64 // byte offset into Data Object
500 // * Presentation Time QWORD 64 // in 100-nanosecond units
501 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
502 // * Send Time DWORD 32 // in milliseconds
503 // * Flags DWORD 32 // hardcoded: 0x00000000
504 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
505 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
506 // * Padding BYTESTREAM variable // optional padding bytes
507
508 // shortcut
509 $thisfile_asf['marker_object'] = array();
510 $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
511
512 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset;
513 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
514 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
515 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
516 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
517 $offset += 16;
518 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
519 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
520 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
521 break;
522 }
523 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
524 $offset += 4;
525 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
526 $offset += 2;
527 if ($thisfile_asf_markerobject['reserved_2'] != 0) {
528 $this->warning('marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"');
529 break;
530 }
531 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
532 $offset += 2;
533 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
534 $offset += $thisfile_asf_markerobject['name_length'];
535 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
536 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
537 $offset += 8;
538 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
539 $offset += 8;
540 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
541 $offset += 2;
542 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
543 $offset += 4;
544 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
545 $offset += 4;
546 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
547 $offset += 4;
548 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
549 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
550 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
551 if ($PaddingLength > 0) {
552 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
553 $offset += $PaddingLength;
554 }
555 }
556 break;
557
558 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
559 // Bitrate Mutual Exclusion Object: (optional)
560 // Field Name Field Type Size (bits)
561 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
562 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
563 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
564 // Stream Numbers Count WORD 16 // number of video streams
565 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
566
567 // shortcut
568 $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
569 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
570
571 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset;
572 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
573 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
574 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
575 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
576 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
577 $offset += 16;
578 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
579 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}');
580 //return false;
581 break;
582 }
583 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
584 $offset += 2;
585 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
586 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
587 $offset += 2;
588 }
589 break;
590
591 case GETID3_ASF_Error_Correction_Object:
592 // Error Correction Object: (optional, one only)
593 // Field Name Field Type Size (bits)
594 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
595 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
596 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
597 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
598 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
599
600 // shortcut
601 $thisfile_asf['error_correction_object'] = array();
602 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
603
604 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset;
605 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
606 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
607 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
608 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
609 $offset += 16;
610 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
611 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
612 $offset += 4;
613 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
614 case GETID3_ASF_No_Error_Correction:
615 // should be no data, but just in case there is, skip to the end of the field
616 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
617 break;
618
619 case GETID3_ASF_Audio_Spread:
620 // Field Name Field Type Size (bits)
621 // Span BYTE 8 // number of packets over which audio will be spread.
622 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
623 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
624 // Silence Data Length WORD 16 // number of bytes in Silence Data field
625 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
626
627 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
628 $offset += 1;
629 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
630 $offset += 2;
631 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
632 $offset += 2;
633 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
634 $offset += 2;
635 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
636 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
637 break;
638
639 default:
640 $this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}');
641 //return false;
642 break;
643 }
644
645 break;
646
647 case GETID3_ASF_Content_Description_Object:
648 // Content Description Object: (optional, one only)
649 // Field Name Field Type Size (bits)
650 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
651 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
652 // Title Length WORD 16 // number of bytes in Title field
653 // Author Length WORD 16 // number of bytes in Author field
654 // Copyright Length WORD 16 // number of bytes in Copyright field
655 // Description Length WORD 16 // number of bytes in Description field
656 // Rating Length WORD 16 // number of bytes in Rating field
657 // Title WCHAR 16 // array of Unicode characters - Title
658 // Author WCHAR 16 // array of Unicode characters - Author
659 // Copyright WCHAR 16 // array of Unicode characters - Copyright
660 // Description WCHAR 16 // array of Unicode characters - Description
661 // Rating WCHAR 16 // array of Unicode characters - Rating
662
663 // shortcut
664 $thisfile_asf['content_description_object'] = array();
665 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
666
667 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset;
668 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
669 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
670 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
671 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
672 $offset += 2;
673 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
674 $offset += 2;
675 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
676 $offset += 2;
677 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
678 $offset += 2;
679 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
680 $offset += 2;
681 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
682 $offset += $thisfile_asf_contentdescriptionobject['title_length'];
683 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
684 $offset += $thisfile_asf_contentdescriptionobject['author_length'];
685 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
686 $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
687 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
688 $offset += $thisfile_asf_contentdescriptionobject['description_length'];
689 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
690 $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
691
692 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
693 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
694 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
695 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
696 }
697 }
698 break;
699
700 case GETID3_ASF_Extended_Content_Description_Object:
701 // Extended Content Description Object: (optional, one only)
702 // Field Name Field Type Size (bits)
703 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
704 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
705 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
706 // Content Descriptors array of: variable //
707 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
708 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
709 // * Descriptor Value Data Type WORD 16 // Lookup array:
710 // 0x0000 = Unicode String (variable length)
711 // 0x0001 = BYTE array (variable length)
712 // 0x0002 = BOOL (DWORD, 32 bits)
713 // 0x0003 = DWORD (DWORD, 32 bits)
714 // 0x0004 = QWORD (QWORD, 64 bits)
715 // 0x0005 = WORD (WORD, 16 bits)
716 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
717 // * Descriptor Value variable variable // value for Content Descriptor
718
719 // shortcut
720 $thisfile_asf['extended_content_description_object'] = array();
721 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
722
723 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset;
724 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
725 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
726 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
727 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
728 $offset += 2;
729 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
730 // shortcut
731 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
732 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
733
734 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30;
735 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
736 $offset += 2;
737 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
738 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
739 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
740 $offset += 2;
741 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
742 $offset += 2;
743 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
744 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
745 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
746 case 0x0000: // Unicode string
747 break;
748
749 case 0x0001: // BYTE array
750 // do nothing
751 break;
752
753 case 0x0002: // BOOL
754 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
755 break;
756
757 case 0x0003: // DWORD
758 case 0x0004: // QWORD
759 case 0x0005: // WORD
760 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
761 break;
762
763 default:
764 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
765 //return false;
766 break;
767 }
768 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
769
770 case 'wm/albumartist':
771 case 'artist':
772 // Note: not 'artist', that comes from 'author' tag
773 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
774 break;
775
776 case 'wm/albumtitle':
777 case 'album':
778 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
779 break;
780
781 case 'wm/genre':
782 case 'genre':
783 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
784 break;
785
786 case 'wm/partofset':
787 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
788 break;
789
790 case 'wm/tracknumber':
791 case 'tracknumber':
792 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
793 $thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
794 foreach ($thisfile_asf_comments['track'] as $key => $value) {
795 if (preg_match('/^[0-9\x00]+$/', $value)) {
796 $thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
797 }
798 }
799 break;
800
801 case 'wm/track':
802 if (empty($thisfile_asf_comments['track'])) {
803 $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
804 }
805 break;
806
807 case 'wm/year':
808 case 'year':
809 case 'date':
810 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
811 break;
812
813 case 'wm/lyrics':
814 case 'lyrics':
815 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
816 break;
817
818 case 'isvbr':
819 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
820 $thisfile_audio['bitrate_mode'] = 'vbr';
821 $thisfile_video['bitrate_mode'] = 'vbr';
822 }
823 break;
824
825 case 'id3':
826 $this->getid3->include_module('tag.id3v2');
827
828 $getid3_id3v2 = new getid3_id3v2($this->getid3);
829 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
830 unset($getid3_id3v2);
831
832 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
833 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
834 }
835 break;
836
837 case 'wm/encodingtime':
838 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
839 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
840 break;
841
842 case 'wm/picture':
843 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
844 foreach ($WMpicture as $key => $value) {
845 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
846 }
847 unset($WMpicture);
848/*
849 $wm_picture_offset = 0;
850 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
851 $wm_picture_offset += 1;
852 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
853 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
854 $wm_picture_offset += 4;
855
856 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
857 do {
858 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
859 $wm_picture_offset += 2;
860 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
861 } while ($next_byte_pair !== "\x00\x00");
862
863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
864 do {
865 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
866 $wm_picture_offset += 2;
867 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
868 } while ($next_byte_pair !== "\x00\x00");
869
870 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
871 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
872 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
873
874 $imageinfo = array();
875 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
876 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
877 unset($imageinfo);
878 if (!empty($imagechunkcheck)) {
879 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
880 }
881 if (!isset($thisfile_asf_comments['picture'])) {
882 $thisfile_asf_comments['picture'] = array();
883 }
884 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
885*/
886 break;
887
888 default:
889 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
890 case 0: // Unicode string
891 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
892 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
893 }
894 break;
895
896 case 1:
897 break;
898 }
899 break;
900 }
901
902 }
903 break;
904
905 case GETID3_ASF_Stream_Bitrate_Properties_Object:
906 // Stream Bitrate Properties Object: (optional, one only)
907 // Field Name Field Type Size (bits)
908 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
909 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
910 // Bitrate Records Count WORD 16 // number of records in Bitrate Records
911 // Bitrate Records array of: variable //
912 // * Flags WORD 16 //
913 // * * Stream Number bits 7 (0x007F) // number of this stream
914 // * * Reserved bits 9 (0xFF80) // hardcoded: 0
915 // * Average Bitrate DWORD 32 // in bits per second
916
917 // shortcut
918 $thisfile_asf['stream_bitrate_properties_object'] = array();
919 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
920
921 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset;
922 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
923 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
924 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
925 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
926 $offset += 2;
927 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
928 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
929 $offset += 2;
930 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
931 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
932 $offset += 4;
933 }
934 break;
935
936 case GETID3_ASF_Padding_Object:
937 // Padding Object: (optional)
938 // Field Name Field Type Size (bits)
939 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object
940 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header
941 // Padding Data BYTESTREAM variable // ignore
942
943 // shortcut
944 $thisfile_asf['padding_object'] = array();
945 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
946
947 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset;
948 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
949 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
950 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
951 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
952 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
953 $offset += ($NextObjectSize - 16 - 8);
954 break;
955
956 case GETID3_ASF_Extended_Content_Encryption_Object:
957 case GETID3_ASF_Content_Encryption_Object:
958 // WMA DRM - just ignore
959 $offset += ($NextObjectSize - 16 - 8);
960 break;
961
962 default:
963 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
964 if ($this->GUIDname($NextObjectGUIDtext)) {
965 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
966 } else {
967 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
968 }
969 $offset += ($NextObjectSize - 16 - 8);
970 break;
971 }
972 }
973 if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
974 $ASFbitrateAudio = 0;
975 $ASFbitrateVideo = 0;
976 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
977 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
978 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
979 case 1:
980 $ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
981 break;
982
983 case 2:
984 $ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
985 break;
986
987 default:
988 // do nothing
989 break;
990 }
991 }
992 }
993 if ($ASFbitrateAudio > 0) {
994 $thisfile_audio['bitrate'] = $ASFbitrateAudio;
995 }
996 if ($ASFbitrateVideo > 0) {
997 $thisfile_video['bitrate'] = $ASFbitrateVideo;
998 }
999 }
1000 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1001
1002 $thisfile_audio['bitrate'] = 0;
1003 $thisfile_video['bitrate'] = 0;
1004
1005 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1006
1007 switch ($streamdata['stream_type']) {
1008 case GETID3_ASF_Audio_Media:
1009 // Field Name Field Type Size (bits)
1010 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
1011 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
1012 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
1013 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
1014 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
1015 // Bits per sample WORD 16 // bits per sample of mono data. set to zero for variable bitrate codecs. defined as wBitsPerSample field of WAVEFORMATEX structure
1016 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
1017 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1018
1019 // shortcut
1020 $thisfile_asf['audio_media'][$streamnumber] = array();
1021 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
1022
1023 $audiomediaoffset = 0;
1024
1025 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1026 $audiomediaoffset += 16;
1027
1028 $thisfile_audio['lossless'] = false;
1029 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1030 case 0x0001: // PCM
1031 case 0x0163: // WMA9 Lossless
1032 $thisfile_audio['lossless'] = true;
1033 break;
1034 }
1035
1036 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1037 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1038 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1039 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1040 $thisfile_audio['bitrate'] += $dataarray['bitrate'];
1041 break;
1042 }
1043 }
1044 } else {
1045 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
1046 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
1047 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
1048 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
1049 }
1050 }
1051 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
1052 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1053 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
1054 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1055 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma';
1056 unset($thisfile_audio['streams'][$streamnumber]['raw']);
1057
1058 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1059 $audiomediaoffset += 2;
1060 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1061 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1062
1063 break;
1064
1065 case GETID3_ASF_Video_Media:
1066 // Field Name Field Type Size (bits)
1067 // Encoded Image Width DWORD 32 // width of image in pixels
1068 // Encoded Image Height DWORD 32 // height of image in pixels
1069 // Reserved Flags BYTE 8 // hardcoded: 0x02
1070 // Format Data Size WORD 16 // size of Format Data field in bytes
1071 // Format Data array of: variable //
1072 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1073 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1074 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1075 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1076 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1077 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1078 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1079 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1080 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1081 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1082 // * Important Colors Count DWORD 32 // number of color index required for displaying bitmap. if zero, all colors are required. defined as biClrImportant field of BITMAPINFOHEADER structure
1083 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1084
1085 // shortcut
1086 $thisfile_asf['video_media'][$streamnumber] = array();
1087 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1088
1089 $videomediaoffset = 0;
1090 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1091 $videomediaoffset += 4;
1092 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1093 $videomediaoffset += 4;
1094 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1095 $videomediaoffset += 1;
1096 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1097 $videomediaoffset += 2;
1098 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1099 $videomediaoffset += 4;
1100 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1101 $videomediaoffset += 4;
1102 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1103 $videomediaoffset += 4;
1104 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1105 $videomediaoffset += 2;
1106 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1107 $videomediaoffset += 2;
1108 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1109 $videomediaoffset += 4;
1110 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1111 $videomediaoffset += 4;
1112 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1113 $videomediaoffset += 4;
1114 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1115 $videomediaoffset += 4;
1116 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1117 $videomediaoffset += 4;
1118 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1119 $videomediaoffset += 4;
1120 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
1121
1122 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1123 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1124 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1125 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1126 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1127 $thisfile_video['bitrate'] += $dataarray['bitrate'];
1128 break;
1129 }
1130 }
1131 }
1132
1133 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1134
1135 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1136 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1137 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
1138 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
1139 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1140 break;
1141
1142 default:
1143 break;
1144 }
1145 }
1146 }
1147
1148 while ($this->ftell() < $info['avdataend']) {
1149 $NextObjectDataHeader = $this->fread(24);
1150 $offset = 0;
1151 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1152 $offset += 16;
1153 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1154 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1155 $offset += 8;
1156
1157 switch ($NextObjectGUID) {
1158 case GETID3_ASF_Data_Object:
1159 // Data Object: (mandatory, one only)
1160 // Field Name Field Type Size (bits)
1161 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object
1162 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1163 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object
1164 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1165 // Reserved WORD 16 // hardcoded: 0x0101
1166
1167 // shortcut
1168 $thisfile_asf['data_object'] = array();
1169 $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1170
1171 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
1172 $offset = 24;
1173
1174 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1175 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1176 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1177
1178 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1179 $offset += 16;
1180 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1181 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1182 $offset += 8;
1183 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1184 $offset += 2;
1185 if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1186 $this->warning('data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
1187 //return false;
1188 break;
1189 }
1190
1191 // Data Packets array of: variable //
1192 // * Error Correction Flags BYTE 8 //
1193 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1194 // * * Opaque Data Present bits 1 //
1195 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00
1196 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure
1197 // * Error Correction Data
1198
1199 $info['avdataoffset'] = $this->ftell();
1200 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1201 $info['avdataend'] = $this->ftell();
1202 break;
1203
1204 case GETID3_ASF_Simple_Index_Object:
1205 // Simple Index Object: (optional, recommended, one per video stream)
1206 // Field Name Field Type Size (bits)
1207 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object
1208 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header
1209 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1210 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units
1211 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries
1212 // Index Entries Count DWORD 32 // number of Index Entries structures
1213 // Index Entries array of: variable //
1214 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry
1215 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry
1216
1217 // shortcut
1218 $thisfile_asf['simple_index_object'] = array();
1219 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1220
1221 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
1222 $offset = 24;
1223
1224 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1225 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1226 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1227
1228 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1229 $offset += 16;
1230 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1231 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1232 $offset += 8;
1233 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1234 $offset += 4;
1235 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1236 $offset += 4;
1237
1238 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1239 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1240 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1241 $offset += 4;
1242 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1243 $offset += 2;
1244 }
1245
1246 break;
1247
1248 case GETID3_ASF_Index_Object:
1249 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1250 // Field Name Field Type Size (bits)
1251 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object
1252 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1253 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms.
1254 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object.
1255 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object.
1256
1257 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0.
1258 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
1259 // Index Specifiers array of: varies //
1260 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1261 // * Index Type WORD 16 // Specifies Index Type values as follows:
1262 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1263 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1264 // 3 = Nearest Past Cleanpoint. - indexes point to the closest data packet containing an entire object (or first fragment of an object) that has the Cleanpoint Flag set.
1265 // Nearest Past Cleanpoint is the most common type of index.
1266 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block.
1267 // * Block Positions QWORD varies // Specifies a list of byte offsets of the beginnings of the blocks relative to the beginning of the first Data Packet (i.e., the beginning of the Data Object + 50 bytes). The number of entries in this list is specified by the value of the Index Specifiers Count field. The order of those byte offsets is tied to the order in which Index Specifiers are listed.
1268 // * Index Entries array of: varies //
1269 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value
1270
1271 // shortcut
1272 $thisfile_asf['asf_index_object'] = array();
1273 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1274
1275 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
1276 $offset = 24;
1277
1278 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1279 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1280 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1281
1282 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1283 $offset += 4;
1284 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1285 $offset += 2;
1286 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1287 $offset += 4;
1288
1289 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1290 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1291 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1292 $offset += 2;
1293 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
1294 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1295 $offset += 2;
1296 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1297 }
1298
1299 $ASFIndexObjectData .= $this->fread(4);
1300 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1301 $offset += 4;
1302
1303 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1304 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1305 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1306 $offset += 8;
1307 }
1308
1309 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1310 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1311 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1312 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1313 $offset += 4;
1314 }
1315 }
1316 break;
1317
1318
1319 default:
1320 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1321 if ($this->GUIDname($NextObjectGUIDtext)) {
1322 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
1323 } else {
1324 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
1325 }
1326 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
1327 break;
1328 }
1329 }
1330
1331 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1332 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1333 switch ($streamdata['information']) {
1334 case 'WMV1':
1335 case 'WMV2':
1336 case 'WMV3':
1337 case 'MSS1':
1338 case 'MSS2':
1339 case 'WMVA':
1340 case 'WVC1':
1341 case 'WMVP':
1342 case 'WVP2':
1343 $thisfile_video['dataformat'] = 'wmv';
1344 $info['mime_type'] = 'video/x-ms-wmv';
1345 break;
1346
1347 case 'MP42':
1348 case 'MP43':
1349 case 'MP4S':
1350 case 'mp4s':
1351 $thisfile_video['dataformat'] = 'asf';
1352 $info['mime_type'] = 'video/x-ms-asf';
1353 break;
1354
1355 default:
1356 switch ($streamdata['type_raw']) {
1357 case 1:
1358 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1359 $thisfile_video['dataformat'] = 'wmv';
1360 if ($info['mime_type'] == 'video/x-ms-asf') {
1361 $info['mime_type'] = 'video/x-ms-wmv';
1362 }
1363 }
1364 break;
1365
1366 case 2:
1367 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1368 $thisfile_audio['dataformat'] = 'wma';
1369 if ($info['mime_type'] == 'video/x-ms-asf') {
1370 $info['mime_type'] = 'audio/x-ms-wma';
1371 }
1372 }
1373 break;
1374
1375 }
1376 break;
1377 }
1378 }
1379 }
1380
1381 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
1382 case 'MPEG Layer-3':
1383 $thisfile_audio['dataformat'] = 'mp3';
1384 break;
1385
1386 default:
1387 break;
1388 }
1389
1390 if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1391 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1392 switch ($streamdata['type_raw']) {
1393
1394 case 1: // video
1395 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1396 break;
1397
1398 case 2: // audio
1399 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1400
1401 // AH 2003-10-01
1402 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1403
1404 $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1405 break;
1406
1407 default:
1408 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
1409 break;
1410
1411 }
1412 }
1413 }
1414
1415 if (isset($info['audio'])) {
1416 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1417 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
1418 }
1419 if (!empty($thisfile_video['dataformat'])) {
1420 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1421 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1422 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
1423 }
1424 if (!empty($thisfile_video['streams'])) {
1425 $thisfile_video['resolution_x'] = 0;
1426 $thisfile_video['resolution_y'] = 0;
1427 foreach ($thisfile_video['streams'] as $key => $valuearray) {
1428 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
1429 $thisfile_video['resolution_x'] = $valuearray['resolution_x'];
1430 $thisfile_video['resolution_y'] = $valuearray['resolution_y'];
1431 }
1432 }
1433 }
1434 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
1435
1436 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1437 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1438 }
1439
1440 return true;
1441 }
1442
1443 public static function codecListObjectTypeLookup($CodecListType) {
1444 static $lookup = array(
1445 0x0001 => 'Video Codec',
1446 0x0002 => 'Audio Codec',
1447 0xFFFF => 'Unknown Codec'
1448 );
1449
1450 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
1451 }
1452
1453 public static function KnownGUIDs() {
1454 static $GUIDarray = array(
1455 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A',
1456 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
1457 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
1458 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
1459 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
1460 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
1461 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
1462 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
1463 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C',
1464 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB',
1465 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B',
1466 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
1467 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
1468 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
1469 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054',
1470 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
1471 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
1472 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
1473 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
1474 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
1475 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
1476 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
1477 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
1478 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
1479 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
1480 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
1481 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
1482 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6',
1483 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6',
1484 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
1485 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
1486 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95',
1487 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD',
1488 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
1489 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
1490 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
1491 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
1492 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
1493 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
1494 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
1495 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
1496 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
1497 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD',
1498 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
1499 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
1500 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
1501 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
1502 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
1503 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
1504 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
1505 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
1506 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
1507 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
1508 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
1509 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
1510 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
1511 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
1512 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
1513 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
1514 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
1515 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
1516 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
1517 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
1518 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
1519 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
1520 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
1521 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
1522 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
1523 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
1524 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
1525 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
1526 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
1527 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
1528 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
1529 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
1530 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
1531 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
1532 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
1533 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
1534 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
1535 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
1536 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
1537 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
1538 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
1539 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
1540 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
1541 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
1542 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
1543 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
1544 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
1545 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
1546 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
1547 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
1548 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
1549 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
1550 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
1551 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
1552 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
1553 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
1554 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C',
1555 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
1556 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365',
1557 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
1558 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
1559 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
1560 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
1561 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1562 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1563 );
1564 return $GUIDarray;
1565 }
1566
1567 public static function GUIDname($GUIDstring) {
1568 static $GUIDarray = array();
1569 if (empty($GUIDarray)) {
1570 $GUIDarray = self::KnownGUIDs();
1571 }
1572 return array_search($GUIDstring, $GUIDarray);
1573 }
1574
1575 public static function ASFIndexObjectIndexTypeLookup($id) {
1576 static $ASFIndexObjectIndexTypeLookup = array();
1577 if (empty($ASFIndexObjectIndexTypeLookup)) {
1578 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1579 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1580 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1581 }
1582 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1583 }
1584
1585 public static function GUIDtoBytestring($GUIDstring) {
1586 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1587 // first 4 bytes are in little-endian order
1588 // next 2 bytes are appended in little-endian order
1589 // next 2 bytes are appended in little-endian order
1590 // next 2 bytes are appended in big-endian order
1591 // next 6 bytes are appended in big-endian order
1592
1593 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1594 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1595
1596 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
1597 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
1598 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
1599 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
1600
1601 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1602 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1603
1604 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1605 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1606
1607 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1608 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1609
1610 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1611 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1612 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1613 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1614 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1615 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1616
1617 return $hexbytecharstring;
1618 }
1619
1620 public static function BytestringToGUID($Bytestring) {
1621 $GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT);
1622 $GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT);
1623 $GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT);
1624 $GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT);
1625 $GUIDstring .= '-';
1626 $GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT);
1627 $GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT);
1628 $GUIDstring .= '-';
1629 $GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT);
1630 $GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT);
1631 $GUIDstring .= '-';
1632 $GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT);
1633 $GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT);
1634 $GUIDstring .= '-';
1635 $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
1636 $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
1637 $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
1638 $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
1639 $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
1640 $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
1641
1642 return strtoupper($GUIDstring);
1643 }
1644
1645 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1646 // FILETIME is a 64-bit unsigned integer representing
1647 // the number of 100-nanosecond intervals since January 1, 1601
1648 // UNIX timestamp is number of seconds since January 1, 1970
1649 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1650 if ($round) {
1651 return intval(round(($FILETIME - 116444736000000000) / 10000000));
1652 }
1653 return ($FILETIME - 116444736000000000) / 10000000;
1654 }
1655
1656 public static function WMpictureTypeLookup($WMpictureType) {
1657 static $lookup = null;
1658 if ($lookup === null) {
1659 $lookup = array(
1660 0x03 => 'Front Cover',
1661 0x04 => 'Back Cover',
1662 0x00 => 'User Defined',
1663 0x05 => 'Leaflet Page',
1664 0x06 => 'Media Label',
1665 0x07 => 'Lead Artist',
1666 0x08 => 'Artist',
1667 0x09 => 'Conductor',
1668 0x0A => 'Band',
1669 0x0B => 'Composer',
1670 0x0C => 'Lyricist',
1671 0x0D => 'Recording Location',
1672 0x0E => 'During Recording',
1673 0x0F => 'During Performance',
1674 0x10 => 'Video Screen Capture',
1675 0x12 => 'Illustration',
1676 0x13 => 'Band Logotype',
1677 0x14 => 'Publisher Logotype'
1678 );
1679 $lookup = array_map(function($str) {
1680 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
1681 }, $lookup);
1682 }
1683
1684 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
1685 }
1686
1687 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1688 // http://msdn.microsoft.com/en-us/library/bb643323.aspx
1689
1690 $offset = 0;
1691 $objectOffset = 0;
1692 $HeaderExtensionObjectParsed = array();
1693 while ($objectOffset < strlen($asf_header_extension_object_data)) {
1694 $offset = $objectOffset;
1695 $thisObject = array();
1696
1697 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
1698 $offset += 16;
1699 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1700 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1701
1702 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1703 $offset += 8;
1704 if ($thisObject['size'] <= 0) {
1705 break;
1706 }
1707
1708 switch ($thisObject['guid']) {
1709 case GETID3_ASF_Extended_Stream_Properties_Object:
1710 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1711 $offset += 8;
1712 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1713
1714 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1715 $offset += 8;
1716 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1717
1718 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1719 $offset += 4;
1720
1721 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1722 $offset += 4;
1723
1724 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1725 $offset += 4;
1726
1727 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1728 $offset += 4;
1729
1730 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1731 $offset += 4;
1732
1733 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1734 $offset += 4;
1735
1736 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1737 $offset += 4;
1738
1739 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1740 $offset += 4;
1741 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001;
1742 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002;
1743 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004;
1744 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
1745
1746 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1747 $offset += 2;
1748
1749 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1750 $offset += 2;
1751
1752 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1753 $offset += 4;
1754
1755 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1756 $offset += 2;
1757
1758 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1759 $offset += 2;
1760
1761 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
1762 $streamName = array();
1763
1764 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1765 $offset += 2;
1766
1767 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1768 $offset += 2;
1769
1770 $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
1771 $offset += $streamName['stream_name_length'];
1772
1773 $thisObject['stream_names'][$i] = $streamName;
1774 }
1775
1776 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
1777 $payloadExtensionSystem = array();
1778
1779 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
1780 $offset += 16;
1781 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1782
1783 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1784 $offset += 2;
1785 if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1786 break 2;
1787 }
1788
1789 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1790 $offset += 4;
1791
1792 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']));
1793 $offset += $payloadExtensionSystem['extension_system_info_length'];
1794
1795 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1796 }
1797
1798 break;
1799
1800 case GETID3_ASF_Padding_Object:
1801 // padding, skip it
1802 break;
1803
1804 case GETID3_ASF_Metadata_Object:
1805 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1806 $offset += 2;
1807
1808 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
1809 $descriptionRecord = array();
1810
1811 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero
1812 $offset += 2;
1813
1814 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1815 $offset += 2;
1816
1817 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1818 $offset += 2;
1819
1820 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1821 $offset += 2;
1822 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1823
1824 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1825 $offset += 4;
1826
1827 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1828 $offset += $descriptionRecord['name_length'];
1829
1830 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1831 $offset += $descriptionRecord['data_length'];
1832 switch ($descriptionRecord['data_type']) {
1833 case 0x0000: // Unicode string
1834 break;
1835
1836 case 0x0001: // BYTE array
1837 // do nothing
1838 break;
1839
1840 case 0x0002: // BOOL
1841 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1842 break;
1843
1844 case 0x0003: // DWORD
1845 case 0x0004: // QWORD
1846 case 0x0005: // WORD
1847 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1848 break;
1849
1850 case 0x0006: // GUID
1851 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1852 break;
1853 }
1854
1855 $thisObject['description_record'][$i] = $descriptionRecord;
1856 }
1857 break;
1858
1859 case GETID3_ASF_Language_List_Object:
1860 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1861 $offset += 2;
1862
1863 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
1864 $languageIDrecord = array();
1865
1866 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
1867 $offset += 1;
1868
1869 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
1870 $offset += $languageIDrecord['language_id_length'];
1871
1872 $thisObject['language_id_record'][$i] = $languageIDrecord;
1873 }
1874 break;
1875
1876 case GETID3_ASF_Metadata_Library_Object:
1877 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1878 $offset += 2;
1879
1880 for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
1881 $descriptionRecord = array();
1882
1883 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1884 $offset += 2;
1885
1886 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1887 $offset += 2;
1888
1889 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1890 $offset += 2;
1891
1892 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1893 $offset += 2;
1894 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1895
1896 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1897 $offset += 4;
1898
1899 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1900 $offset += $descriptionRecord['name_length'];
1901
1902 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1903 $offset += $descriptionRecord['data_length'];
1904
1905 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1906 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1907 foreach ($WMpicture as $key => $value) {
1908 $descriptionRecord['data'] = $WMpicture;
1909 }
1910 unset($WMpicture);
1911 }
1912
1913 $thisObject['description_record'][$i] = $descriptionRecord;
1914 }
1915 break;
1916
1917 default:
1918 $unhandled_sections++;
1919 if ($this->GUIDname($thisObject['guid_text'])) {
1920 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
1921 } else {
1922 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
1923 }
1924 break;
1925 }
1926 $HeaderExtensionObjectParsed[] = $thisObject;
1927
1928 $objectOffset += $thisObject['size'];
1929 }
1930 return $HeaderExtensionObjectParsed;
1931 }
1932
1933
1934 public static function metadataLibraryObjectDataTypeLookup($id) {
1935 static $lookup = array(
1936 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1937 0x0001 => 'BYTE array', // The type of the data is implementation-specific
1938 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1939 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1940 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
1941 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
1942 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID
1943 );
1944 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
1945 }
1946
1947 public function ASF_WMpicture(&$data) {
1948 //typedef struct _WMPicture{
1949 // LPWSTR pwszMIMEType;
1950 // BYTE bPictureType;
1951 // LPWSTR pwszDescription;
1952 // DWORD dwDataLen;
1953 // BYTE* pbData;
1954 //} WM_PICTURE;
1955
1956 $WMpicture = array();
1957
1958 $offset = 0;
1959 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
1960 $offset += 1;
1961 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']);
1962 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
1963 $offset += 4;
1964
1965 $WMpicture['image_mime'] = '';
1966 do {
1967 $next_byte_pair = substr($data, $offset, 2);
1968 $offset += 2;
1969 $WMpicture['image_mime'] .= $next_byte_pair;
1970 } while ($next_byte_pair !== "\x00\x00");
1971
1972 $WMpicture['image_description'] = '';
1973 do {
1974 $next_byte_pair = substr($data, $offset, 2);
1975 $offset += 2;
1976 $WMpicture['image_description'] .= $next_byte_pair;
1977 } while ($next_byte_pair !== "\x00\x00");
1978
1979 $WMpicture['dataoffset'] = $offset;
1980 $WMpicture['data'] = substr($data, $offset);
1981
1982 $imageinfo = array();
1983 $WMpicture['image_mime'] = '';
1984 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
1985 unset($imageinfo);
1986 if (!empty($imagechunkcheck)) {
1987 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
1988 }
1989 if (!isset($this->getid3->info['asf']['comments']['picture'])) {
1990 $this->getid3->info['asf']['comments']['picture'] = array();
1991 }
1992 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
1993
1994 return $WMpicture;
1995 }
1996
1997
1998 // Remove terminator 00 00 and convert UTF-16LE to Latin-1
1999 public static function TrimConvert($string) {
2000 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
2001 }
2002
2003
2004 // Remove terminator 00 00
2005 public static function TrimTerm($string) {
2006 // remove terminator, only if present (it should be, but...)
2007 if (substr($string, -2) === "\x00\x00") {
2008 $string = substr($string, 0, -2);
2009 }
2010 return $string;
2011 }
2012
2013}
php
An exception for terminatinating execution or to throw for unit testing.
getid3_asf
Definition: module.audio-video.asf.php:19
getid3_asf\ASF_WMpicture
ASF_WMpicture(&$data)
Definition: module.audio-video.asf.php:1947
getid3_asf\metadataLibraryObjectDataTypeLookup
static metadataLibraryObjectDataTypeLookup($id)
Definition: module.audio-video.asf.php:1934
getid3_asf\KnownGUIDs
static KnownGUIDs()
Definition: module.audio-video.asf.php:1453
getid3_asf\GUIDtoBytestring
static GUIDtoBytestring($GUIDstring)
Definition: module.audio-video.asf.php:1585
getid3_asf\HeaderExtensionObjectDataParse
HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections)
Definition: module.audio-video.asf.php:1687
getid3_asf\FILETIMEtoUNIXtime
static FILETIMEtoUNIXtime($FILETIME, $round=true)
Definition: module.audio-video.asf.php:1645
getid3_asf\ASFIndexObjectIndexTypeLookup
static ASFIndexObjectIndexTypeLookup($id)
Definition: module.audio-video.asf.php:1575
getid3_asf\TrimConvert
static TrimConvert($string)
Definition: module.audio-video.asf.php:1999
getid3_asf\__construct
__construct(getID3 $getid3)
Definition: module.audio-video.asf.php:21
getid3_asf\GUIDname
static GUIDname($GUIDstring)
Definition: module.audio-video.asf.php:1567
getid3_asf\TrimTerm
static TrimTerm($string)
Definition: module.audio-video.asf.php:2005
getid3_asf\WMpictureTypeLookup
static WMpictureTypeLookup($WMpictureType)
Definition: module.audio-video.asf.php:1656
getid3_asf\BytestringToGUID
static BytestringToGUID($Bytestring)
Definition: module.audio-video.asf.php:1620
getid3_asf\codecListObjectTypeLookup
static codecListObjectTypeLookup($CodecListType)
Definition: module.audio-video.asf.php:1443
getid3_asf\Analyze
Analyze()
Definition: module.audio-video.asf.php:33
getid3_handler
Definition: getid3.php:1616
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1711
getid3_handler\ftell
ftell()
Definition: getid3.php:1676
getid3_handler\$getid3
$getid3
Definition: getid3.php:1621
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1683
getid3_handler\warning
warning($text)
Definition: getid3.php:1758
getid3_handler\error
error($text)
Definition: getid3.php:1752
getid3_id3v2
Definition: module.tag.id3v2.php:20
getid3_lib\PrintHexBytes
static PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8')
Definition: getid3.lib.php:18
getid3_lib\LittleEndian2Int
static LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:292
getid3_lib\iconv_fallback
static iconv_fallback($in_charset, $out_charset, $string)
Definition: getid3.lib.php:957
getid3_lib\GetDataImageSize
static GetDataImageSize($imgData, &$imageinfo=array())
Definition: getid3.lib.php:1179
getid3_lib\IncludeDependency
static IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1373
getid3_lib\array_merge_noclobber
static array_merge_noclobber($array1, $array2)
Definition: getid3.lib.php:402
getid3_riff\parseWAVEFORMATex
static parseWAVEFORMATex($WaveFormatExData)
Definition: module.audio-video.riff.php:1823
getid3_riff\fourccLookup
static fourccLookup($fourcc)
Definition: module.audio-video.riff.php:2194
$key
$key
Definition: croninfo.php:18
$i
$i
Definition: disco.tpl.php:19
$id
if(!array_key_exists('StateId', $_REQUEST)) $id
Definition: expirywarning.php:14
$info
$info
Definition: index.php:5
defined
defined( 'APPLICATION_ENV')||define( 'APPLICATION_ENV'
Definition: bootstrap.php:27