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[SPIP] v3.2.1-->v3.2.3
[lhc/web/www.git] / www / plugins-dist / medias / lib / getid3 / module.audio-video.asf.php
1 <?php
2 /////////////////////////////////////////////////////////////////
3 /// getID3() by James Heinrich <info@getid3.org> //
4 // available at https://github.com/JamesHeinrich/getID3 //
5 // or https://www.getid3.org //
6 // or http://getid3.sourceforge.net //
7 // see readme.txt for more details //
8 /////////////////////////////////////////////////////////////////
9 // //
10 // module.audio-video.asf.php //
11 // module for analyzing ASF, WMA and WMV files //
12 // dependencies: module.audio-video.riff.php //
13 // ///
14 /////////////////////////////////////////////////////////////////
15
16 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
17
18 class getid3_asf extends getid3_handler
19 {
20 /**
21 * @param getID3 $getid3
22 */
23 public function __construct(getID3 $getid3) {
24 parent::__construct($getid3); // extends getid3_handler::__construct()
25
26 // initialize all GUID constants
27 $GUIDarray = $this->KnownGUIDs();
28 foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
29 if (!defined($GUIDname)) {
30 define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
31 }
32 }
33 }
34
35 /**
36 * @return bool
37 */
38 public function Analyze() {
39 $info = &$this->getid3->info;
40
41 // Shortcuts
42 $thisfile_audio = &$info['audio'];
43 $thisfile_video = &$info['video'];
44 $info['asf'] = array();
45 $thisfile_asf = &$info['asf'];
46 $thisfile_asf['comments'] = array();
47 $thisfile_asf_comments = &$thisfile_asf['comments'];
48 $thisfile_asf['header_object'] = array();
49 $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
50
51
52 // ASF structure:
53 // * Header Object [required]
54 // * File Properties Object [required] (global file attributes)
55 // * Stream Properties Object [required] (defines media stream & characteristics)
56 // * Header Extension Object [required] (additional functionality)
57 // * Content Description Object (bibliographic information)
58 // * Script Command Object (commands for during playback)
59 // * Marker Object (named jumped points within the file)
60 // * Data Object [required]
61 // * Data Packets
62 // * Index Object
63
64 // Header Object: (mandatory, one only)
65 // Field Name Field Type Size (bits)
66 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
67 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
68 // Number of Header Objects DWORD 32 // number of objects in header object
69 // Reserved1 BYTE 8 // hardcoded: 0x01
70 // Reserved2 BYTE 8 // hardcoded: 0x02
71
72 $info['fileformat'] = 'asf';
73
74 $this->fseek($info['avdataoffset']);
75 $HeaderObjectData = $this->fread(30);
76
77 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
78 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
79 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
80 unset($info['fileformat'], $info['asf']);
81 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).'}');
82 }
83 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
84 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
85 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
86 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
87
88 $NextObjectOffset = $this->ftell();
89 $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
90 $offset = 0;
91 $thisfile_asf_streambitratepropertiesobject = array();
92 $thisfile_asf_codeclistobject = array();
93
94 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
95 $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
96 $offset += 16;
97 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
98 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
99 $offset += 8;
100 switch ($NextObjectGUID) {
101
102 case GETID3_ASF_File_Properties_Object:
103 // File Properties Object: (mandatory, one only)
104 // Field Name Field Type Size (bits)
105 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
106 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
107 // File ID GUID 128 // unique ID - identical to File ID in Data Object
108 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
109 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
110 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
111 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
112 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
113 // 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
114 // Flags DWORD 32 //
115 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
116 // * Seekable Flag bits 1 (0x02) // is file seekable
117 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
118 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
119 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
120 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
121
122 // shortcut
123 $thisfile_asf['file_properties_object'] = array();
124 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
125
126 $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset;
127 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
128 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
129 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
130 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
131 $offset += 16;
132 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
133 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
134 $offset += 8;
135 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
136 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
137 $offset += 8;
138 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
139 $offset += 8;
140 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
141 $offset += 8;
142 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
143 $offset += 8;
144 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
145 $offset += 8;
146 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
147 $offset += 4;
148 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
149 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
150
151 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
152 $offset += 4;
153 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
154 $offset += 4;
155 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
156 $offset += 4;
157
158 if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
159
160 // broadcast flag is set, some values invalid
161 unset($thisfile_asf_filepropertiesobject['filesize']);
162 unset($thisfile_asf_filepropertiesobject['data_packets']);
163 unset($thisfile_asf_filepropertiesobject['play_duration']);
164 unset($thisfile_asf_filepropertiesobject['send_duration']);
165 unset($thisfile_asf_filepropertiesobject['min_packet_size']);
166 unset($thisfile_asf_filepropertiesobject['max_packet_size']);
167
168 } else {
169
170 // broadcast flag NOT set, perform calculations
171 $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
172
173 //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
174 $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
175 }
176 break;
177
178 case GETID3_ASF_Stream_Properties_Object:
179 // Stream Properties Object: (mandatory, one per media stream)
180 // Field Name Field Type Size (bits)
181 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
182 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
183 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
184 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
185 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
186 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
187 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
188 // Flags WORD 16 //
189 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
190 // * Reserved bits 8 (0x7F80) // reserved - set to zero
191 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
192 // Reserved DWORD 32 // reserved - set to zero
193 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
194 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
195
196 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
197 // stream number isn't known until halfway through decoding the structure, hence it
198 // it is decoded to a temporary variable and then stuck in the appropriate index later
199
200 $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset;
201 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
202 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
203 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
204 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
205 $offset += 16;
206 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
207 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
208 $offset += 16;
209 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
210 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
211 $offset += 8;
212 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
213 $offset += 4;
214 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
215 $offset += 4;
216 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
217 $offset += 2;
218 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
219 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
220
221 $offset += 4; // reserved - DWORD
222 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
223 $offset += $StreamPropertiesObjectData['type_data_length'];
224 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
225 $offset += $StreamPropertiesObjectData['error_data_length'];
226
227 switch ($StreamPropertiesObjectData['stream_type']) {
228
229 case GETID3_ASF_Audio_Media:
230 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
231 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
232
233 $audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
234 unset($audiodata['raw']);
235 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
236 break;
237
238 case GETID3_ASF_Video_Media:
239 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
240 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
241 break;
242
243 case GETID3_ASF_Command_Media:
244 default:
245 // do nothing
246 break;
247
248 }
249
250 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
251 unset($StreamPropertiesObjectData); // clear for next stream, if any
252 break;
253
254 case GETID3_ASF_Header_Extension_Object:
255 // Header Extension Object: (mandatory, one only)
256 // Field Name Field Type Size (bits)
257 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
258 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
259 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
260 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
261 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
262 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
263
264 // shortcut
265 $thisfile_asf['header_extension_object'] = array();
266 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
267
268 $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset;
269 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
270 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
271 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
272 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
273 $offset += 16;
274 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
275 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
276 $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')');
277 //return false;
278 break;
279 }
280 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
281 $offset += 2;
282 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
283 $this->warning('header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"');
284 //return false;
285 break;
286 }
287 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
288 $offset += 4;
289 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
290 $unhandled_sections = 0;
291 $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
292 if ($unhandled_sections === 0) {
293 unset($thisfile_asf_headerextensionobject['extension_data']);
294 }
295 $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
296 break;
297
298 case GETID3_ASF_Codec_List_Object:
299 // Codec List Object: (optional, one only)
300 // Field Name Field Type Size (bits)
301 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
302 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
303 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
304 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
305 // Codec Entries array of: variable //
306 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
307 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
308 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
309 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
310 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
311 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
312 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
313
314 // shortcut
315 $thisfile_asf['codec_list_object'] = array();
316 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
317
318 $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset;
319 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
320 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
321 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
322 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
323 $offset += 16;
324 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
325 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
326 $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
327 //return false;
328 break;
329 }
330 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
331 $offset += 4;
332 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
333 // shortcut
334 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
335 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
336
337 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
338 $offset += 2;
339 $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
340
341 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
342 $offset += 2;
343 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
344 $offset += $CodecNameLength;
345
346 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
347 $offset += 2;
348 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
349 $offset += $CodecDescriptionLength;
350
351 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
352 $offset += 2;
353 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
354 $offset += $CodecInformationLength;
355
356 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
357
358 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
359 $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
360 } else {
361
362 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
363 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
364
365 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
366 $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
367 }
368 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
369 if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
370 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
371 $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
372 }
373
374 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
375 switch ($AudioCodecFrequency) {
376 case 8:
377 case 8000:
378 $thisfile_audio['sample_rate'] = 8000;
379 break;
380
381 case 11:
382 case 11025:
383 $thisfile_audio['sample_rate'] = 11025;
384 break;
385
386 case 12:
387 case 12000:
388 $thisfile_audio['sample_rate'] = 12000;
389 break;
390
391 case 16:
392 case 16000:
393 $thisfile_audio['sample_rate'] = 16000;
394 break;
395
396 case 22:
397 case 22050:
398 $thisfile_audio['sample_rate'] = 22050;
399 break;
400
401 case 24:
402 case 24000:
403 $thisfile_audio['sample_rate'] = 24000;
404 break;
405
406 case 32:
407 case 32000:
408 $thisfile_audio['sample_rate'] = 32000;
409 break;
410
411 case 44:
412 case 441000:
413 $thisfile_audio['sample_rate'] = 44100;
414 break;
415
416 case 48:
417 case 48000:
418 $thisfile_audio['sample_rate'] = 48000;
419 break;
420
421 default:
422 $this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
423 break;
424 }
425
426 if (!isset($thisfile_audio['channels'])) {
427 if (strstr($AudioCodecChannels, 'stereo')) {
428 $thisfile_audio['channels'] = 2;
429 } elseif (strstr($AudioCodecChannels, 'mono')) {
430 $thisfile_audio['channels'] = 1;
431 }
432 }
433
434 }
435 }
436 }
437 break;
438
439 case GETID3_ASF_Script_Command_Object:
440 // Script Command Object: (optional, one only)
441 // Field Name Field Type Size (bits)
442 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
443 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
444 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
445 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
446 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
447 // Command Types array of: variable //
448 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
449 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
450 // Commands array of: variable //
451 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
452 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
453 // * Command Name Length WORD 16 // number of Unicode characters for Command Name
454 // * Command Name WCHAR variable // array of Unicode characters - name of this command
455
456 // shortcut
457 $thisfile_asf['script_command_object'] = array();
458 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
459
460 $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset;
461 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
462 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
463 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
464 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
465 $offset += 16;
466 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
467 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
468 $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
469 //return false;
470 break;
471 }
472 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
473 $offset += 2;
474 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
475 $offset += 2;
476 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
477 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
478 $offset += 2;
479 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
480 $offset += $CommandTypeNameLength;
481 }
482 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
483 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
484 $offset += 4;
485 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
486 $offset += 2;
487
488 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
489 $offset += 2;
490 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
491 $offset += $CommandTypeNameLength;
492 }
493 break;
494
495 case GETID3_ASF_Marker_Object:
496 // Marker Object: (optional, one only)
497 // Field Name Field Type Size (bits)
498 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
499 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
500 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
501 // Markers Count DWORD 32 // number of Marker structures in Marker Object
502 // Reserved WORD 16 // hardcoded: 0x0000
503 // Name Length WORD 16 // number of bytes in the Name field
504 // Name WCHAR variable // name of the Marker Object
505 // Markers array of: variable //
506 // * Offset QWORD 64 // byte offset into Data Object
507 // * Presentation Time QWORD 64 // in 100-nanosecond units
508 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
509 // * Send Time DWORD 32 // in milliseconds
510 // * Flags DWORD 32 // hardcoded: 0x00000000
511 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
512 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
513 // * Padding BYTESTREAM variable // optional padding bytes
514
515 // shortcut
516 $thisfile_asf['marker_object'] = array();
517 $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
518
519 $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset;
520 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
521 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
522 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
523 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
524 $offset += 16;
525 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
526 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
527 $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
528 break;
529 }
530 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
531 $offset += 4;
532 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
533 $offset += 2;
534 if ($thisfile_asf_markerobject['reserved_2'] != 0) {
535 $this->warning('marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"');
536 break;
537 }
538 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
539 $offset += 2;
540 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
541 $offset += $thisfile_asf_markerobject['name_length'];
542 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
543 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
544 $offset += 8;
545 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
546 $offset += 8;
547 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
548 $offset += 2;
549 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
550 $offset += 4;
551 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
552 $offset += 4;
553 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
554 $offset += 4;
555 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
556 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
557 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
558 if ($PaddingLength > 0) {
559 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
560 $offset += $PaddingLength;
561 }
562 }
563 break;
564
565 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
566 // Bitrate Mutual Exclusion Object: (optional)
567 // Field Name Field Type Size (bits)
568 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
569 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
570 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
571 // Stream Numbers Count WORD 16 // number of video streams
572 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
573
574 // shortcut
575 $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
576 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
577
578 $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset;
579 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
580 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
581 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
582 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
583 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
584 $offset += 16;
585 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
586 $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}');
587 //return false;
588 break;
589 }
590 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
591 $offset += 2;
592 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
593 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
594 $offset += 2;
595 }
596 break;
597
598 case GETID3_ASF_Error_Correction_Object:
599 // Error Correction Object: (optional, one only)
600 // Field Name Field Type Size (bits)
601 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
602 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
603 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
604 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
605 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
606
607 // shortcut
608 $thisfile_asf['error_correction_object'] = array();
609 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
610
611 $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset;
612 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
613 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
614 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
615 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
616 $offset += 16;
617 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
618 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
619 $offset += 4;
620 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
621 case GETID3_ASF_No_Error_Correction:
622 // should be no data, but just in case there is, skip to the end of the field
623 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
624 break;
625
626 case GETID3_ASF_Audio_Spread:
627 // Field Name Field Type Size (bits)
628 // Span BYTE 8 // number of packets over which audio will be spread.
629 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
630 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
631 // Silence Data Length WORD 16 // number of bytes in Silence Data field
632 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
633
634 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
635 $offset += 1;
636 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
637 $offset += 2;
638 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
639 $offset += 2;
640 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
641 $offset += 2;
642 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
643 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
644 break;
645
646 default:
647 $this->warning('error_correction_object.error_correction_type GUID {'.$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).'}');
648 //return false;
649 break;
650 }
651
652 break;
653
654 case GETID3_ASF_Content_Description_Object:
655 // Content Description Object: (optional, one only)
656 // Field Name Field Type Size (bits)
657 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
658 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
659 // Title Length WORD 16 // number of bytes in Title field
660 // Author Length WORD 16 // number of bytes in Author field
661 // Copyright Length WORD 16 // number of bytes in Copyright field
662 // Description Length WORD 16 // number of bytes in Description field
663 // Rating Length WORD 16 // number of bytes in Rating field
664 // Title WCHAR 16 // array of Unicode characters - Title
665 // Author WCHAR 16 // array of Unicode characters - Author
666 // Copyright WCHAR 16 // array of Unicode characters - Copyright
667 // Description WCHAR 16 // array of Unicode characters - Description
668 // Rating WCHAR 16 // array of Unicode characters - Rating
669
670 // shortcut
671 $thisfile_asf['content_description_object'] = array();
672 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
673
674 $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset;
675 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
676 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
677 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
678 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
679 $offset += 2;
680 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
681 $offset += 2;
682 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
683 $offset += 2;
684 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
685 $offset += 2;
686 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
687 $offset += 2;
688 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
689 $offset += $thisfile_asf_contentdescriptionobject['title_length'];
690 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
691 $offset += $thisfile_asf_contentdescriptionobject['author_length'];
692 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
693 $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
694 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
695 $offset += $thisfile_asf_contentdescriptionobject['description_length'];
696 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
697 $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
698
699 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
700 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
701 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
702 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
703 }
704 }
705 break;
706
707 case GETID3_ASF_Extended_Content_Description_Object:
708 // Extended Content Description Object: (optional, one only)
709 // Field Name Field Type Size (bits)
710 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
711 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
712 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
713 // Content Descriptors array of: variable //
714 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
715 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
716 // * Descriptor Value Data Type WORD 16 // Lookup array:
717 // 0x0000 = Unicode String (variable length)
718 // 0x0001 = BYTE array (variable length)
719 // 0x0002 = BOOL (DWORD, 32 bits)
720 // 0x0003 = DWORD (DWORD, 32 bits)
721 // 0x0004 = QWORD (QWORD, 64 bits)
722 // 0x0005 = WORD (WORD, 16 bits)
723 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
724 // * Descriptor Value variable variable // value for Content Descriptor
725
726 // shortcut
727 $thisfile_asf['extended_content_description_object'] = array();
728 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
729
730 $thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset;
731 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
732 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
733 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
734 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
735 $offset += 2;
736 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
737 // shortcut
738 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
739 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
740
741 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30;
742 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
743 $offset += 2;
744 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
745 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
746 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
747 $offset += 2;
748 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
749 $offset += 2;
750 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
751 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
752 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
753 case 0x0000: // Unicode string
754 break;
755
756 case 0x0001: // BYTE array
757 // do nothing
758 break;
759
760 case 0x0002: // BOOL
761 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
762 break;
763
764 case 0x0003: // DWORD
765 case 0x0004: // QWORD
766 case 0x0005: // WORD
767 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
768 break;
769
770 default:
771 $this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
772 //return false;
773 break;
774 }
775 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
776
777 case 'wm/albumartist':
778 case 'artist':
779 // Note: not 'artist', that comes from 'author' tag
780 $thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
781 break;
782
783 case 'wm/albumtitle':
784 case 'album':
785 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
786 break;
787
788 case 'wm/genre':
789 case 'genre':
790 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
791 break;
792
793 case 'wm/partofset':
794 $thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
795 break;
796
797 case 'wm/tracknumber':
798 case 'tracknumber':
799 // be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
800 $thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
801 foreach ($thisfile_asf_comments['track'] as $key => $value) {
802 if (preg_match('/^[0-9\x00]+$/', $value)) {
803 $thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
804 }
805 }
806 break;
807
808 case 'wm/track':
809 if (empty($thisfile_asf_comments['track'])) {
810 $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
811 }
812 break;
813
814 case 'wm/year':
815 case 'year':
816 case 'date':
817 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
818 break;
819
820 case 'wm/lyrics':
821 case 'lyrics':
822 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
823 break;
824
825 case 'isvbr':
826 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
827 $thisfile_audio['bitrate_mode'] = 'vbr';
828 $thisfile_video['bitrate_mode'] = 'vbr';
829 }
830 break;
831
832 case 'id3':
833 $this->getid3->include_module('tag.id3v2');
834
835 $getid3_id3v2 = new getid3_id3v2($this->getid3);
836 $getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
837 unset($getid3_id3v2);
838
839 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
840 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
841 }
842 break;
843
844 case 'wm/encodingtime':
845 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
846 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
847 break;
848
849 case 'wm/picture':
850 $WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
851 foreach ($WMpicture as $key => $value) {
852 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
853 }
854 unset($WMpicture);
855 /*
856 $wm_picture_offset = 0;
857 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
858 $wm_picture_offset += 1;
859 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
860 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
861 $wm_picture_offset += 4;
862
863 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
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_mime'] .= $next_byte_pair;
868 } while ($next_byte_pair !== "\x00\x00");
869
870 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
871 do {
872 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
873 $wm_picture_offset += 2;
874 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
875 } while ($next_byte_pair !== "\x00\x00");
876
877 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
878 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
879 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
880
881 $imageinfo = array();
882 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
883 $imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
884 unset($imageinfo);
885 if (!empty($imagechunkcheck)) {
886 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
887 }
888 if (!isset($thisfile_asf_comments['picture'])) {
889 $thisfile_asf_comments['picture'] = array();
890 }
891 $thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
892 */
893 break;
894
895 default:
896 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
897 case 0: // Unicode string
898 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
899 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
900 }
901 break;
902
903 case 1:
904 break;
905 }
906 break;
907 }
908
909 }
910 break;
911
912 case GETID3_ASF_Stream_Bitrate_Properties_Object:
913 // Stream Bitrate Properties Object: (optional, one only)
914 // Field Name Field Type Size (bits)
915 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
916 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
917 // Bitrate Records Count WORD 16 // number of records in Bitrate Records
918 // Bitrate Records array of: variable //
919 // * Flags WORD 16 //
920 // * * Stream Number bits 7 (0x007F) // number of this stream
921 // * * Reserved bits 9 (0xFF80) // hardcoded: 0
922 // * Average Bitrate DWORD 32 // in bits per second
923
924 // shortcut
925 $thisfile_asf['stream_bitrate_properties_object'] = array();
926 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
927
928 $thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset;
929 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
930 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
931 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
932 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
933 $offset += 2;
934 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
935 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
936 $offset += 2;
937 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
938 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
939 $offset += 4;
940 }
941 break;
942
943 case GETID3_ASF_Padding_Object:
944 // Padding Object: (optional)
945 // Field Name Field Type Size (bits)
946 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object
947 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header
948 // Padding Data BYTESTREAM variable // ignore
949
950 // shortcut
951 $thisfile_asf['padding_object'] = array();
952 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
953
954 $thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset;
955 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
956 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
957 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
958 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
959 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
960 $offset += ($NextObjectSize - 16 - 8);
961 break;
962
963 case GETID3_ASF_Extended_Content_Encryption_Object:
964 case GETID3_ASF_Content_Encryption_Object:
965 // WMA DRM - just ignore
966 $offset += ($NextObjectSize - 16 - 8);
967 break;
968
969 default:
970 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
971 if ($this->GUIDname($NextObjectGUIDtext)) {
972 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
973 } else {
974 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
975 }
976 $offset += ($NextObjectSize - 16 - 8);
977 break;
978 }
979 }
980 if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) {
981 $ASFbitrateAudio = 0;
982 $ASFbitrateVideo = 0;
983 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
984 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
985 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
986 case 1:
987 $ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
988 break;
989
990 case 2:
991 $ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
992 break;
993
994 default:
995 // do nothing
996 break;
997 }
998 }
999 }
1000 if ($ASFbitrateAudio > 0) {
1001 $thisfile_audio['bitrate'] = $ASFbitrateAudio;
1002 }
1003 if ($ASFbitrateVideo > 0) {
1004 $thisfile_video['bitrate'] = $ASFbitrateVideo;
1005 }
1006 }
1007 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1008
1009 $thisfile_audio['bitrate'] = 0;
1010 $thisfile_video['bitrate'] = 0;
1011
1012 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1013
1014 switch ($streamdata['stream_type']) {
1015 case GETID3_ASF_Audio_Media:
1016 // Field Name Field Type Size (bits)
1017 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
1018 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
1019 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
1020 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
1021 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
1022 // 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
1023 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
1024 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1025
1026 // shortcut
1027 $thisfile_asf['audio_media'][$streamnumber] = array();
1028 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
1029
1030 $audiomediaoffset = 0;
1031
1032 $thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1033 $audiomediaoffset += 16;
1034
1035 $thisfile_audio['lossless'] = false;
1036 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1037 case 0x0001: // PCM
1038 case 0x0163: // WMA9 Lossless
1039 $thisfile_audio['lossless'] = true;
1040 break;
1041 }
1042
1043 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1044 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1045 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1046 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1047 $thisfile_audio['bitrate'] += $dataarray['bitrate'];
1048 break;
1049 }
1050 }
1051 } else {
1052 if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
1053 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
1054 } elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
1055 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
1056 }
1057 }
1058 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
1059 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1060 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
1061 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1062 $thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma';
1063 unset($thisfile_audio['streams'][$streamnumber]['raw']);
1064
1065 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1066 $audiomediaoffset += 2;
1067 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1068 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1069
1070 break;
1071
1072 case GETID3_ASF_Video_Media:
1073 // Field Name Field Type Size (bits)
1074 // Encoded Image Width DWORD 32 // width of image in pixels
1075 // Encoded Image Height DWORD 32 // height of image in pixels
1076 // Reserved Flags BYTE 8 // hardcoded: 0x02
1077 // Format Data Size WORD 16 // size of Format Data field in bytes
1078 // Format Data array of: variable //
1079 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1080 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1081 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1082 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1083 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1084 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1085 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1086 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1087 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1088 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1089 // * 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
1090 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1091
1092 // shortcut
1093 $thisfile_asf['video_media'][$streamnumber] = array();
1094 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1095
1096 $videomediaoffset = 0;
1097 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1098 $videomediaoffset += 4;
1099 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1100 $videomediaoffset += 4;
1101 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1102 $videomediaoffset += 1;
1103 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1104 $videomediaoffset += 2;
1105 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1106 $videomediaoffset += 4;
1107 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1108 $videomediaoffset += 4;
1109 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1110 $videomediaoffset += 4;
1111 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1112 $videomediaoffset += 2;
1113 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1114 $videomediaoffset += 2;
1115 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1116 $videomediaoffset += 4;
1117 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1118 $videomediaoffset += 4;
1119 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1120 $videomediaoffset += 4;
1121 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1122 $videomediaoffset += 4;
1123 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1124 $videomediaoffset += 4;
1125 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1126 $videomediaoffset += 4;
1127 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
1128
1129 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1130 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1131 if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1132 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1133 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1134 $thisfile_video['bitrate'] += $dataarray['bitrate'];
1135 break;
1136 }
1137 }
1138 }
1139
1140 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1141
1142 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1143 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1144 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
1145 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
1146 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1147 break;
1148
1149 default:
1150 break;
1151 }
1152 }
1153 }
1154
1155 while ($this->ftell() < $info['avdataend']) {
1156 $NextObjectDataHeader = $this->fread(24);
1157 $offset = 0;
1158 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1159 $offset += 16;
1160 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1161 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1162 $offset += 8;
1163
1164 switch ($NextObjectGUID) {
1165 case GETID3_ASF_Data_Object:
1166 // Data Object: (mandatory, one only)
1167 // Field Name Field Type Size (bits)
1168 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object
1169 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1170 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object
1171 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1172 // Reserved WORD 16 // hardcoded: 0x0101
1173
1174 // shortcut
1175 $thisfile_asf['data_object'] = array();
1176 $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1177
1178 $DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
1179 $offset = 24;
1180
1181 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1182 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1183 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1184
1185 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1186 $offset += 16;
1187 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1188 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1189 $offset += 8;
1190 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1191 $offset += 2;
1192 if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1193 $this->warning('data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
1194 //return false;
1195 break;
1196 }
1197
1198 // Data Packets array of: variable //
1199 // * Error Correction Flags BYTE 8 //
1200 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1201 // * * Opaque Data Present bits 1 //
1202 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00
1203 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure
1204 // * Error Correction Data
1205
1206 $info['avdataoffset'] = $this->ftell();
1207 $this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1208 $info['avdataend'] = $this->ftell();
1209 break;
1210
1211 case GETID3_ASF_Simple_Index_Object:
1212 // Simple Index Object: (optional, recommended, one per video stream)
1213 // Field Name Field Type Size (bits)
1214 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object
1215 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header
1216 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1217 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units
1218 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries
1219 // Index Entries Count DWORD 32 // number of Index Entries structures
1220 // Index Entries array of: variable //
1221 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry
1222 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry
1223
1224 // shortcut
1225 $thisfile_asf['simple_index_object'] = array();
1226 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1227
1228 $SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
1229 $offset = 24;
1230
1231 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1232 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1233 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1234
1235 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1236 $offset += 16;
1237 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1238 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1239 $offset += 8;
1240 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1241 $offset += 4;
1242 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1243 $offset += 4;
1244
1245 $IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1246 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1247 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1248 $offset += 4;
1249 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1250 $offset += 2;
1251 }
1252
1253 break;
1254
1255 case GETID3_ASF_Index_Object:
1256 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1257 // Field Name Field Type Size (bits)
1258 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object
1259 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1260 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms.
1261 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object.
1262 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object.
1263
1264 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0.
1265 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
1266 // Index Specifiers array of: varies //
1267 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1268 // * Index Type WORD 16 // Specifies Index Type values as follows:
1269 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1270 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1271 // 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.
1272 // Nearest Past Cleanpoint is the most common type of index.
1273 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block.
1274 // * 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.
1275 // * Index Entries array of: varies //
1276 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value
1277
1278 // shortcut
1279 $thisfile_asf['asf_index_object'] = array();
1280 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1281
1282 $ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
1283 $offset = 24;
1284
1285 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1286 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1287 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1288
1289 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1290 $offset += 4;
1291 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1292 $offset += 2;
1293 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1294 $offset += 4;
1295
1296 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1297 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1298 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1299 $offset += 2;
1300 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
1301 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1302 $offset += 2;
1303 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1304 }
1305
1306 $ASFIndexObjectData .= $this->fread(4);
1307 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1308 $offset += 4;
1309
1310 $ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1311 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1312 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1313 $offset += 8;
1314 }
1315
1316 $ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1317 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1318 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1319 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1320 $offset += 4;
1321 }
1322 }
1323 break;
1324
1325
1326 default:
1327 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1328 if ($this->GUIDname($NextObjectGUIDtext)) {
1329 $this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
1330 } else {
1331 $this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
1332 }
1333 $this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
1334 break;
1335 }
1336 }
1337
1338 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1339 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1340 switch ($streamdata['information']) {
1341 case 'WMV1':
1342 case 'WMV2':
1343 case 'WMV3':
1344 case 'MSS1':
1345 case 'MSS2':
1346 case 'WMVA':
1347 case 'WVC1':
1348 case 'WMVP':
1349 case 'WVP2':
1350 $thisfile_video['dataformat'] = 'wmv';
1351 $info['mime_type'] = 'video/x-ms-wmv';
1352 break;
1353
1354 case 'MP42':
1355 case 'MP43':
1356 case 'MP4S':
1357 case 'mp4s':
1358 $thisfile_video['dataformat'] = 'asf';
1359 $info['mime_type'] = 'video/x-ms-asf';
1360 break;
1361
1362 default:
1363 switch ($streamdata['type_raw']) {
1364 case 1:
1365 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1366 $thisfile_video['dataformat'] = 'wmv';
1367 if ($info['mime_type'] == 'video/x-ms-asf') {
1368 $info['mime_type'] = 'video/x-ms-wmv';
1369 }
1370 }
1371 break;
1372
1373 case 2:
1374 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1375 $thisfile_audio['dataformat'] = 'wma';
1376 if ($info['mime_type'] == 'video/x-ms-asf') {
1377 $info['mime_type'] = 'audio/x-ms-wma';
1378 }
1379 }
1380 break;
1381
1382 }
1383 break;
1384 }
1385 }
1386 }
1387
1388 switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
1389 case 'MPEG Layer-3':
1390 $thisfile_audio['dataformat'] = 'mp3';
1391 break;
1392
1393 default:
1394 break;
1395 }
1396
1397 if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1398 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1399 switch ($streamdata['type_raw']) {
1400
1401 case 1: // video
1402 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1403 break;
1404
1405 case 2: // audio
1406 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1407
1408 // AH 2003-10-01
1409 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1410
1411 $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1412 break;
1413
1414 default:
1415 $this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
1416 break;
1417
1418 }
1419 }
1420 }
1421
1422 if (isset($info['audio'])) {
1423 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1424 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
1425 }
1426 if (!empty($thisfile_video['dataformat'])) {
1427 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1428 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1429 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
1430 }
1431 if (!empty($thisfile_video['streams'])) {
1432 $thisfile_video['resolution_x'] = 0;
1433 $thisfile_video['resolution_y'] = 0;
1434 foreach ($thisfile_video['streams'] as $key => $valuearray) {
1435 if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
1436 $thisfile_video['resolution_x'] = $valuearray['resolution_x'];
1437 $thisfile_video['resolution_y'] = $valuearray['resolution_y'];
1438 }
1439 }
1440 }
1441 $info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
1442
1443 if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1444 $info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1445 }
1446
1447 return true;
1448 }
1449
1450 /**
1451 * @param int $CodecListType
1452 *
1453 * @return string
1454 */
1455 public static function codecListObjectTypeLookup($CodecListType) {
1456 static $lookup = array(
1457 0x0001 => 'Video Codec',
1458 0x0002 => 'Audio Codec',
1459 0xFFFF => 'Unknown Codec'
1460 );
1461
1462 return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
1463 }
1464
1465 /**
1466 * @return array
1467 */
1468 public static function KnownGUIDs() {
1469 static $GUIDarray = array(
1470 'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A',
1471 'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
1472 'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
1473 'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
1474 'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
1475 'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
1476 'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
1477 'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
1478 'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C',
1479 'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB',
1480 'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B',
1481 'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
1482 'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
1483 'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
1484 'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054',
1485 'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
1486 'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
1487 'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
1488 'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
1489 'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
1490 'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
1491 'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
1492 'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
1493 'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
1494 'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
1495 'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
1496 'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
1497 'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6',
1498 'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6',
1499 'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
1500 'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
1501 'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95',
1502 'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD',
1503 'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
1504 'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
1505 'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
1506 'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
1507 'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
1508 'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
1509 'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
1510 'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
1511 'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
1512 'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD',
1513 'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
1514 'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
1515 'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
1516 'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
1517 'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
1518 'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
1519 'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
1520 'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
1521 'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
1522 'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
1523 'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
1524 'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
1525 'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
1526 'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
1527 'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
1528 'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
1529 'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
1530 'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
1531 'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
1532 'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
1533 'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
1534 'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
1535 'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
1536 'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
1537 'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
1538 'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
1539 'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
1540 'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
1541 'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
1542 'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
1543 'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
1544 'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
1545 'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
1546 'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
1547 'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
1548 'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
1549 'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
1550 'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
1551 'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
1552 'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
1553 'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
1554 'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
1555 'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
1556 'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
1557 'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
1558 'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
1559 'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
1560 'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
1561 'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
1562 'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
1563 'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
1564 'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
1565 'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
1566 'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
1567 'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
1568 'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
1569 'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C',
1570 'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
1571 'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365',
1572 'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
1573 'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
1574 'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
1575 'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
1576 'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1577 'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1578 );
1579 return $GUIDarray;
1580 }
1581
1582 /**
1583 * @param string $GUIDstring
1584 *
1585 * @return string|false
1586 */
1587 public static function GUIDname($GUIDstring) {
1588 static $GUIDarray = array();
1589 if (empty($GUIDarray)) {
1590 $GUIDarray = self::KnownGUIDs();
1591 }
1592 return array_search($GUIDstring, $GUIDarray);
1593 }
1594
1595 /**
1596 * @param int $id
1597 *
1598 * @return string
1599 */
1600 public static function ASFIndexObjectIndexTypeLookup($id) {
1601 static $ASFIndexObjectIndexTypeLookup = array();
1602 if (empty($ASFIndexObjectIndexTypeLookup)) {
1603 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1604 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1605 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1606 }
1607 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1608 }
1609
1610 /**
1611 * @param string $GUIDstring
1612 *
1613 * @return string
1614 */
1615 public static function GUIDtoBytestring($GUIDstring) {
1616 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1617 // first 4 bytes are in little-endian order
1618 // next 2 bytes are appended in little-endian order
1619 // next 2 bytes are appended in little-endian order
1620 // next 2 bytes are appended in big-endian order
1621 // next 6 bytes are appended in big-endian order
1622
1623 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1624 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1625
1626 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
1627 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
1628 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
1629 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
1630
1631 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1632 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1633
1634 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1635 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1636
1637 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1638 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1639
1640 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1641 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1642 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1643 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1644 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1645 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1646
1647 return $hexbytecharstring;
1648 }
1649
1650 /**
1651 * @param string $Bytestring
1652 *
1653 * @return string
1654 */
1655 public static function BytestringToGUID($Bytestring) {
1656 $GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT);
1657 $GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT);
1658 $GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT);
1659 $GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT);
1660 $GUIDstring .= '-';
1661 $GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT);
1662 $GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT);
1663 $GUIDstring .= '-';
1664 $GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT);
1665 $GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT);
1666 $GUIDstring .= '-';
1667 $GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT);
1668 $GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT);
1669 $GUIDstring .= '-';
1670 $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
1671 $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
1672 $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
1673 $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
1674 $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
1675 $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
1676
1677 return strtoupper($GUIDstring);
1678 }
1679
1680 /**
1681 * @param int $FILETIME
1682 * @param bool $round
1683 *
1684 * @return float|int
1685 */
1686 public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1687 // FILETIME is a 64-bit unsigned integer representing
1688 // the number of 100-nanosecond intervals since January 1, 1601
1689 // UNIX timestamp is number of seconds since January 1, 1970
1690 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1691 if ($round) {
1692 return intval(round(($FILETIME - 116444736000000000) / 10000000));
1693 }
1694 return ($FILETIME - 116444736000000000) / 10000000;
1695 }
1696
1697 /**
1698 * @param int $WMpictureType
1699 *
1700 * @return string
1701 */
1702 public static function WMpictureTypeLookup($WMpictureType) {
1703 static $lookup = null;
1704 if ($lookup === null) {
1705 $lookup = array(
1706 0x03 => 'Front Cover',
1707 0x04 => 'Back Cover',
1708 0x00 => 'User Defined',
1709 0x05 => 'Leaflet Page',
1710 0x06 => 'Media Label',
1711 0x07 => 'Lead Artist',
1712 0x08 => 'Artist',
1713 0x09 => 'Conductor',
1714 0x0A => 'Band',
1715 0x0B => 'Composer',
1716 0x0C => 'Lyricist',
1717 0x0D => 'Recording Location',
1718 0x0E => 'During Recording',
1719 0x0F => 'During Performance',
1720 0x10 => 'Video Screen Capture',
1721 0x12 => 'Illustration',
1722 0x13 => 'Band Logotype',
1723 0x14 => 'Publisher Logotype'
1724 );
1725 $lookup = array_map(function($str) {
1726 return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
1727 }, $lookup);
1728 }
1729
1730 return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
1731 }
1732
1733 /**
1734 * @param string $asf_header_extension_object_data
1735 * @param int $unhandled_sections
1736 *
1737 * @return array
1738 */
1739 public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1740 // http://msdn.microsoft.com/en-us/library/bb643323.aspx
1741
1742 $offset = 0;
1743 $objectOffset = 0;
1744 $HeaderExtensionObjectParsed = array();
1745 while ($objectOffset < strlen($asf_header_extension_object_data)) {
1746 $offset = $objectOffset;
1747 $thisObject = array();
1748
1749 $thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
1750 $offset += 16;
1751 $thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1752 $thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1753
1754 $thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1755 $offset += 8;
1756 if ($thisObject['size'] <= 0) {
1757 break;
1758 }
1759
1760 switch ($thisObject['guid']) {
1761 case GETID3_ASF_Extended_Stream_Properties_Object:
1762 $thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1763 $offset += 8;
1764 $thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1765
1766 $thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
1767 $offset += 8;
1768 $thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1769
1770 $thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1771 $offset += 4;
1772
1773 $thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1774 $offset += 4;
1775
1776 $thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1777 $offset += 4;
1778
1779 $thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1780 $offset += 4;
1781
1782 $thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1783 $offset += 4;
1784
1785 $thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1786 $offset += 4;
1787
1788 $thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1789 $offset += 4;
1790
1791 $thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1792 $offset += 4;
1793 $thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001;
1794 $thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002;
1795 $thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004;
1796 $thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
1797
1798 $thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1799 $offset += 2;
1800
1801 $thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1802 $offset += 2;
1803
1804 $thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1805 $offset += 4;
1806
1807 $thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1808 $offset += 2;
1809
1810 $thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1811 $offset += 2;
1812
1813 for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
1814 $streamName = array();
1815
1816 $streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1817 $offset += 2;
1818
1819 $streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1820 $offset += 2;
1821
1822 $streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
1823 $offset += $streamName['stream_name_length'];
1824
1825 $thisObject['stream_names'][$i] = $streamName;
1826 }
1827
1828 for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
1829 $payloadExtensionSystem = array();
1830
1831 $payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
1832 $offset += 16;
1833 $payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1834
1835 $payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1836 $offset += 2;
1837 if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1838 break 2;
1839 }
1840
1841 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1842 $offset += 4;
1843
1844 $payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']));
1845 $offset += $payloadExtensionSystem['extension_system_info_length'];
1846
1847 $thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1848 }
1849
1850 break;
1851
1852 case GETID3_ASF_Padding_Object:
1853 // padding, skip it
1854 break;
1855
1856 case GETID3_ASF_Metadata_Object:
1857 $thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1858 $offset += 2;
1859
1860 for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
1861 $descriptionRecord = array();
1862
1863 $descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2)); // must be zero
1864 $offset += 2;
1865
1866 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1867 $offset += 2;
1868
1869 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1870 $offset += 2;
1871
1872 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1873 $offset += 2;
1874 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1875
1876 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1877 $offset += 4;
1878
1879 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1880 $offset += $descriptionRecord['name_length'];
1881
1882 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1883 $offset += $descriptionRecord['data_length'];
1884 switch ($descriptionRecord['data_type']) {
1885 case 0x0000: // Unicode string
1886 break;
1887
1888 case 0x0001: // BYTE array
1889 // do nothing
1890 break;
1891
1892 case 0x0002: // BOOL
1893 $descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1894 break;
1895
1896 case 0x0003: // DWORD
1897 case 0x0004: // QWORD
1898 case 0x0005: // WORD
1899 $descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1900 break;
1901
1902 case 0x0006: // GUID
1903 $descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1904 break;
1905 }
1906
1907 $thisObject['description_record'][$i] = $descriptionRecord;
1908 }
1909 break;
1910
1911 case GETID3_ASF_Language_List_Object:
1912 $thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1913 $offset += 2;
1914
1915 for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
1916 $languageIDrecord = array();
1917
1918 $languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
1919 $offset += 1;
1920
1921 $languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
1922 $offset += $languageIDrecord['language_id_length'];
1923
1924 $thisObject['language_id_record'][$i] = $languageIDrecord;
1925 }
1926 break;
1927
1928 case GETID3_ASF_Metadata_Library_Object:
1929 $thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1930 $offset += 2;
1931
1932 for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
1933 $descriptionRecord = array();
1934
1935 $descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1936 $offset += 2;
1937
1938 $descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1939 $offset += 2;
1940
1941 $descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1942 $offset += 2;
1943
1944 $descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
1945 $offset += 2;
1946 $descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1947
1948 $descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
1949 $offset += 4;
1950
1951 $descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
1952 $offset += $descriptionRecord['name_length'];
1953
1954 $descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
1955 $offset += $descriptionRecord['data_length'];
1956
1957 if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1958 $WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1959 foreach ($WMpicture as $key => $value) {
1960 $descriptionRecord['data'] = $WMpicture;
1961 }
1962 unset($WMpicture);
1963 }
1964
1965 $thisObject['description_record'][$i] = $descriptionRecord;
1966 }
1967 break;
1968
1969 default:
1970 $unhandled_sections++;
1971 if ($this->GUIDname($thisObject['guid_text'])) {
1972 $this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
1973 } else {
1974 $this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
1975 }
1976 break;
1977 }
1978 $HeaderExtensionObjectParsed[] = $thisObject;
1979
1980 $objectOffset += $thisObject['size'];
1981 }
1982 return $HeaderExtensionObjectParsed;
1983 }
1984
1985 /**
1986 * @param int $id
1987 *
1988 * @return string
1989 */
1990 public static function metadataLibraryObjectDataTypeLookup($id) {
1991 static $lookup = array(
1992 0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1993 0x0001 => 'BYTE array', // The type of the data is implementation-specific
1994 0x0002 => 'BOOL', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1995 0x0003 => 'DWORD', // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1996 0x0004 => 'QWORD', // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
1997 0x0005 => 'WORD', // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
1998 0x0006 => 'GUID', // The data is 16 bytes long and should be interpreted as a 128-bit GUID
1999 );
2000 return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
2001 }
2002
2003 /**
2004 * @param string $data
2005 *
2006 * @return array
2007 */
2008 public function ASF_WMpicture(&$data) {
2009 //typedef struct _WMPicture{
2010 // LPWSTR pwszMIMEType;
2011 // BYTE bPictureType;
2012 // LPWSTR pwszDescription;
2013 // DWORD dwDataLen;
2014 // BYTE* pbData;
2015 //} WM_PICTURE;
2016
2017 $WMpicture = array();
2018
2019 $offset = 0;
2020 $WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
2021 $offset += 1;
2022 $WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']);
2023 $WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
2024 $offset += 4;
2025
2026 $WMpicture['image_mime'] = '';
2027 do {
2028 $next_byte_pair = substr($data, $offset, 2);
2029 $offset += 2;
2030 $WMpicture['image_mime'] .= $next_byte_pair;
2031 } while ($next_byte_pair !== "\x00\x00");
2032
2033 $WMpicture['image_description'] = '';
2034 do {
2035 $next_byte_pair = substr($data, $offset, 2);
2036 $offset += 2;
2037 $WMpicture['image_description'] .= $next_byte_pair;
2038 } while ($next_byte_pair !== "\x00\x00");
2039
2040 $WMpicture['dataoffset'] = $offset;
2041 $WMpicture['data'] = substr($data, $offset);
2042
2043 $imageinfo = array();
2044 $WMpicture['image_mime'] = '';
2045 $imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
2046 unset($imageinfo);
2047 if (!empty($imagechunkcheck)) {
2048 $WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
2049 }
2050 if (!isset($this->getid3->info['asf']['comments']['picture'])) {
2051 $this->getid3->info['asf']['comments']['picture'] = array();
2052 }
2053 $this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
2054
2055 return $WMpicture;
2056 }
2057
2058 /**
2059 * Remove terminator 00 00 and convert UTF-16LE to Latin-1.
2060 *
2061 * @param string $string
2062 *
2063 * @return string
2064 */
2065 public static function TrimConvert($string) {
2066 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
2067 }
2068
2069 /**
2070 * Remove terminator 00 00.
2071 *
2072 * @param string $string
2073 *
2074 * @return string
2075 */
2076 public static function TrimTerm($string) {
2077 // remove terminator, only if present (it should be, but...)
2078 if (substr($string, -2) === "\x00\x00") {
2079 $string = substr($string, 0, -2);
2080 }
2081 return $string;
2082 }
2083
2084 }
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