ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
module.audio-video.asf.php
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1<?php
4// available at http://getid3.sourceforge.net //
5// or http://www.getid3.org //
7// See readme.txt for more details //
9// //
10// module.audio-video.asf.php //
11// module for analyzing ASF, WMA and WMV files //
12// dependencies: module.audio-video.riff.php //
13// ///
15
16getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
17
18$GUIDarray = getid3_asf::KnownGUIDs();
19foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
20 // initialize all GUID constants
21 define($GUIDname, getid3_asf::GUIDtoBytestring($hexstringvalue));
22}
23
24
25
26class getid3_asf
27{
28
29 function getid3_asf(&$fd, &$ThisFileInfo) {
30
31 // Shortcuts
32 $thisfile_audio = &$ThisFileInfo['audio'];
33 $thisfile_video = &$ThisFileInfo['video'];
34 $ThisFileInfo['asf'] = array();
35 $thisfile_asf = &$ThisFileInfo['asf'];
36 $thisfile_asf['comments'] = array();
37 $thisfile_asf_comments = &$thisfile_asf['comments'];
38 $thisfile_asf['header_object'] = array();
39 $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
40
41
42 // ASF structure:
43 // * Header Object [required]
44 // * File Properties Object [required] (global file attributes)
45 // * Stream Properties Object [required] (defines media stream & characteristics)
46 // * Header Extension Object [required] (additional functionality)
47 // * Content Description Object (bibliographic information)
48 // * Script Command Object (commands for during playback)
49 // * Marker Object (named jumped points within the file)
50 // * Data Object [required]
51 // * Data Packets
52 // * Index Object
53
54 // Header Object: (mandatory, one only)
55 // Field Name Field Type Size (bits)
56 // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
57 // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
58 // Number of Header Objects DWORD 32 // number of objects in header object
59 // Reserved1 BYTE 8 // hardcoded: 0x01
60 // Reserved2 BYTE 8 // hardcoded: 0x02
61
62 $ThisFileInfo['fileformat'] = 'asf';
63
64 fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
65 $HeaderObjectData = fread($fd, 30);
66
67 $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
68 $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
69 if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
70 $ThisFileInfo['warning'][] = 'ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}';
71 unset($ThisFileInfo['fileformat']);
72 unset($ThisFileInfo['asf']);
73 return false;
74 break;
75 }
76 $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
77 $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
78 $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
79 $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
80
81 //$ASFHeaderData = $HeaderObjectData;
82 $ASFHeaderData = fread($fd, $thisfile_asf_headerobject['objectsize'] - 30);
83 //$offset = 30;
84 $offset = 0;
85
86 for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
87 $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
88 $offset += 16;
89 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
90 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
91 $offset += 8;
92 switch ($NextObjectGUID) {
93
94 case GETID3_ASF_File_Properties_Object:
95 // File Properties Object: (mandatory, one only)
96 // Field Name Field Type Size (bits)
97 // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
98 // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
99 // File ID GUID 128 // unique ID - identical to File ID in Data Object
100 // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
101 // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
102 // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
103 // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
104 // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
105 // 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
106 // Flags DWORD 32 //
107 // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
108 // * Seekable Flag bits 1 (0x02) // is file seekable
109 // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
110 // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
111 // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
112 // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
113
114 // shortcut
115 $thisfile_asf['file_properties_object'] = array();
116 $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
117
118 $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
119 $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
120 $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
121 $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
122 $offset += 16;
123 $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
124 $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
125 $offset += 8;
126 $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
127 $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
128 $offset += 8;
129 $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
130 $offset += 8;
131 $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
132 $offset += 8;
133 $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
134 $offset += 8;
135 $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
136 $offset += 8;
137 $ThisFileInfo['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
138 $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
139 $offset += 4;
140 $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
141 $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
142
143 $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
144 $offset += 4;
145 $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
146 $offset += 4;
147 $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
148 $offset += 4;
149 //$ThisFileInfo['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
150 $ThisFileInfo['bitrate'] = ($thisfile_asf_filepropertiesobject['filesize'] * 8) / $ThisFileInfo['playtime_seconds'];
151 break;
152
153 case GETID3_ASF_Stream_Properties_Object:
154 // Stream Properties Object: (mandatory, one per media stream)
155 // Field Name Field Type Size (bits)
156 // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
157 // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
158 // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
159 // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
160 // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
161 // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
162 // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
163 // Flags WORD 16 //
164 // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
165 // * Reserved bits 8 (0x7F80) // reserved - set to zero
166 // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
167 // Reserved DWORD 32 // reserved - set to zero
168 // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
169 // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
170
171 // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
172 // stream number isn't known until halfway through decoding the structure, hence it
173 // it is decoded to a temporary variable and then stuck in the appropriate index later
174
175 $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
176 $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
177 $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
178 $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
179 $offset += 16;
180 $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
181 $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
182 $offset += 16;
183 $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
184 $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
185 $offset += 8;
186 $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
187 $offset += 4;
188 $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
189 $offset += 4;
190 $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
191 $offset += 2;
192 $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
193 $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
194
195 $offset += 4; // reserved - DWORD
196 $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
197 $offset += $StreamPropertiesObjectData['type_data_length'];
198 $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
199 $offset += $StreamPropertiesObjectData['error_data_length'];
200
201 switch ($StreamPropertiesObjectData['stream_type']) {
202
203 case GETID3_ASF_Audio_Media:
204 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
205 $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
206
207 $audiodata = getid3_riff::RIFFparseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
208 unset($audiodata['raw']);
209 $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
210 break;
211
212 case GETID3_ASF_Video_Media:
213 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
214 $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
215 break;
216
217 case GETID3_ASF_Command_Media:
218 default:
219 // do nothing
220 break;
221
222 }
223
224 $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
225 unset($StreamPropertiesObjectData); // clear for next stream, if any
226 break;
227
228 case GETID3_ASF_Header_Extension_Object:
229 // Header Extension Object: (mandatory, one only)
230 // Field Name Field Type Size (bits)
231 // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
232 // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
233 // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
234 // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
235 // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
236 // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
237
238 // shortcut
239 $thisfile_asf['header_extension_object'] = array();
240 $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
241
242 $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
243 $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
244 $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
245 $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
246 $offset += 16;
247 $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
248 if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
249 $ThisFileInfo['warning'][] = 'header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')';
250 //return false;
251 break;
252 }
253 $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
254 $offset += 2;
255 if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
256 $ThisFileInfo['warning'][] = 'header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"';
257 //return false;
258 break;
259 }
260 $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
261 $offset += 4;
262 $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
263 $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
264 break;
265
266 case GETID3_ASF_Codec_List_Object:
267 // Codec List Object: (optional, one only)
268 // Field Name Field Type Size (bits)
269 // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
270 // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
271 // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
272 // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
273 // Codec Entries array of: variable //
274 // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
275 // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
276 // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
277 // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
278 // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
279 // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
280 // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
281
282 // shortcut
283 $thisfile_asf['codec_list_object'] = array();
284 $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
285
286 $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
287 $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
288 $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
289 $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
290 $offset += 16;
291 $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
292 if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
293 $ThisFileInfo['warning'][] = 'codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}';
294 //return false;
295 break;
296 }
297 $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
298 $offset += 4;
299 for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
300 // shortcut
301 $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
302 $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
303
304 $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
305 $offset += 2;
306 $thisfile_asf_codeclistobject_codecentries_current['type'] = $this->ASFCodecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
307
308 $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
309 $offset += 2;
310 $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
311 $offset += $CodecNameLength;
312
313 $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
314 $offset += 2;
315 $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
316 $offset += $CodecDescriptionLength;
317
318 $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
319 $offset += 2;
320 $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
321 $offset += $CodecInformationLength;
322
323 if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) {
324 // audio codec
325 if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
326 $ThisFileInfo['error'][] = '[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-seperated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"';
327 return false;
328 }
329 list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
330 $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
331
332 if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
333 $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
334 }
335 //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
336 if (!@$thisfile_video['bitrate'] && @$thisfile_audio['bitrate'] && @$ThisFileInfo['bitrate']) {
337 //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
338 $thisfile_video['bitrate'] = $ThisFileInfo['bitrate'] - $thisfile_audio['bitrate'];
339 }
340
341 $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
342 switch ($AudioCodecFrequency) {
343 case 8:
344 case 8000:
345 $thisfile_audio['sample_rate'] = 8000;
346 break;
347
348 case 11:
349 case 11025:
350 $thisfile_audio['sample_rate'] = 11025;
351 break;
352
353 case 12:
354 case 12000:
355 $thisfile_audio['sample_rate'] = 12000;
356 break;
357
358 case 16:
359 case 16000:
360 $thisfile_audio['sample_rate'] = 16000;
361 break;
362
363 case 22:
364 case 22050:
365 $thisfile_audio['sample_rate'] = 22050;
366 break;
367
368 case 24:
369 case 24000:
370 $thisfile_audio['sample_rate'] = 24000;
371 break;
372
373 case 32:
374 case 32000:
375 $thisfile_audio['sample_rate'] = 32000;
376 break;
377
378 case 44:
379 case 441000:
380 $thisfile_audio['sample_rate'] = 44100;
381 break;
382
383 case 48:
384 case 48000:
385 $thisfile_audio['sample_rate'] = 48000;
386 break;
387
388 default:
389 $ThisFileInfo['warning'][] = 'unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')';
390 // return false;
391 break;
392 }
393
394 if (!isset($thisfile_audio['channels'])) {
395 if (strstr($AudioCodecChannels, 'stereo')) {
396 $thisfile_audio['channels'] = 2;
397 } elseif (strstr($AudioCodecChannels, 'mono')) {
398 $thisfile_audio['channels'] = 1;
399 }
400 }
401 }
402 }
403 break;
404
405 case GETID3_ASF_Script_Command_Object:
406 // Script Command Object: (optional, one only)
407 // Field Name Field Type Size (bits)
408 // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
409 // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
410 // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
411 // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
412 // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
413 // Command Types array of: variable //
414 // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
415 // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
416 // Commands array of: variable //
417 // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
418 // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
419 // * Command Name Length WORD 16 // number of Unicode characters for Command Name
420 // * Command Name WCHAR variable // array of Unicode characters - name of this command
421
422 // shortcut
423 $thisfile_asf['script_command_object'] = array();
424 $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
425
426 $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
427 $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
428 $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
429 $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
430 $offset += 16;
431 $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
432 if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
433 $ThisFileInfo['warning'][] = 'script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}';
434 //return false;
435 break;
436 }
437 $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
438 $offset += 2;
439 $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
440 $offset += 2;
441 for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
442 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
443 $offset += 2;
444 $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
445 $offset += $CommandTypeNameLength;
446 }
447 for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
448 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
449 $offset += 4;
450 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
451 $offset += 2;
452
453 $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
454 $offset += 2;
455 $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
456 $offset += $CommandTypeNameLength;
457 }
458 break;
459
460 case GETID3_ASF_Marker_Object:
461 // Marker Object: (optional, one only)
462 // Field Name Field Type Size (bits)
463 // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
464 // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
465 // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
466 // Markers Count DWORD 32 // number of Marker structures in Marker Object
467 // Reserved WORD 16 // hardcoded: 0x0000
468 // Name Length WORD 16 // number of bytes in the Name field
469 // Name WCHAR variable // name of the Marker Object
470 // Markers array of: variable //
471 // * Offset QWORD 64 // byte offset into Data Object
472 // * Presentation Time QWORD 64 // in 100-nanosecond units
473 // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
474 // * Send Time DWORD 32 // in milliseconds
475 // * Flags DWORD 32 // hardcoded: 0x00000000
476 // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
477 // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
478 // * Padding BYTESTREAM variable // optional padding bytes
479
480 // shortcut
481 $thisfile_asf['marker_object'] = array();
482 $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
483
484 $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
485 $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
486 $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
487 $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
488 $offset += 16;
489 $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
490 if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
491 $ThisFileInfo['warning'][] = 'marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}';
492 break;
493 }
494 $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
495 $offset += 4;
496 $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
497 $offset += 2;
498 if ($thisfile_asf_markerobject['reserved_2'] != 0) {
499 $ThisFileInfo['warning'][] = 'marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"';
500 break;
501 }
502 $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
503 $offset += 2;
504 $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
505 $offset += $thisfile_asf_markerobject['name_length'];
506 for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
507 $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
508 $offset += 8;
509 $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
510 $offset += 8;
511 $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
512 $offset += 2;
513 $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
514 $offset += 4;
515 $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
516 $offset += 4;
517 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
518 $offset += 4;
519 $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
520 $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
521 $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
522 if ($PaddingLength > 0) {
523 $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
524 $offset += $PaddingLength;
525 }
526 }
527 break;
528
529 case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
530 // Bitrate Mutual Exclusion Object: (optional)
531 // Field Name Field Type Size (bits)
532 // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
533 // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
534 // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
535 // Stream Numbers Count WORD 16 // number of video streams
536 // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
537
538 // shortcut
539 $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
540 $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
541
542 $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
543 $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
544 $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
545 $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
546 $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
547 $offset += 16;
548 if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
549 $ThisFileInfo['warning'][] = 'bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}';
550 //return false;
551 break;
552 }
553 $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
554 $offset += 2;
555 for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
556 $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
557 $offset += 2;
558 }
559 break;
560
561 case GETID3_ASF_Error_Correction_Object:
562 // Error Correction Object: (optional, one only)
563 // Field Name Field Type Size (bits)
564 // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
565 // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
566 // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
567 // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
568 // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
569
570 // shortcut
571 $thisfile_asf['error_correction_object'] = array();
572 $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
573
574 $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
575 $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
576 $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
577 $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
578 $offset += 16;
579 $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
580 $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
581 $offset += 4;
582 switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
583 case GETID3_ASF_No_Error_Correction:
584 // should be no data, but just in case there is, skip to the end of the field
585 $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
586 break;
587
588 case GETID3_ASF_Audio_Spread:
589 // Field Name Field Type Size (bits)
590 // Span BYTE 8 // number of packets over which audio will be spread.
591 // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
592 // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
593 // Silence Data Length WORD 16 // number of bytes in Silence Data field
594 // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
595
596 $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
597 $offset += 1;
598 $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
599 $offset += 2;
600 $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
601 $offset += 2;
602 $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
603 $offset += 2;
604 $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
605 $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
606 break;
607
608 default:
609 $ThisFileInfo['warning'][] = 'error_correction_object.error_correction_type GUID {'.$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).'}';
610 //return false;
611 break;
612 }
613
614 break;
615
616 case GETID3_ASF_Content_Description_Object:
617 // Content Description Object: (optional, one only)
618 // Field Name Field Type Size (bits)
619 // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
620 // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
621 // Title Length WORD 16 // number of bytes in Title field
622 // Author Length WORD 16 // number of bytes in Author field
623 // Copyright Length WORD 16 // number of bytes in Copyright field
624 // Description Length WORD 16 // number of bytes in Description field
625 // Rating Length WORD 16 // number of bytes in Rating field
626 // Title WCHAR 16 // array of Unicode characters - Title
627 // Author WCHAR 16 // array of Unicode characters - Author
628 // Copyright WCHAR 16 // array of Unicode characters - Copyright
629 // Description WCHAR 16 // array of Unicode characters - Description
630 // Rating WCHAR 16 // array of Unicode characters - Rating
631
632 // shortcut
633 $thisfile_asf['content_description_object'] = array();
634 $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
635
636 $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
637 $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
638 $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
639 $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
640 $offset += 2;
641 $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
642 $offset += 2;
643 $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
644 $offset += 2;
645 $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
646 $offset += 2;
647 $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
648 $offset += 2;
649 $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
650 $offset += $thisfile_asf_contentdescriptionobject['title_length'];
651 $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
652 $offset += $thisfile_asf_contentdescriptionobject['author_length'];
653 $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
654 $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
655 $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
656 $offset += $thisfile_asf_contentdescriptionobject['description_length'];
657 $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
658 $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
659
660 $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
661 foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
662 if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
663 $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
664 }
665 }
666 break;
667
668 case GETID3_ASF_Extended_Content_Description_Object:
669 // Extended Content Description Object: (optional, one only)
670 // Field Name Field Type Size (bits)
671 // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
672 // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
673 // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
674 // Content Descriptors array of: variable //
675 // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
676 // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
677 // * Descriptor Value Data Type WORD 16 // Lookup array:
678 // 0x0000 = Unicode String (variable length)
679 // 0x0001 = BYTE array (variable length)
680 // 0x0002 = BOOL (DWORD, 32 bits)
681 // 0x0003 = DWORD (DWORD, 32 bits)
682 // 0x0004 = QWORD (QWORD, 64 bits)
683 // 0x0005 = WORD (WORD, 16 bits)
684 // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
685 // * Descriptor Value variable variable // value for Content Descriptor
686
687 // shortcut
688 $thisfile_asf['extended_content_description_object'] = array();
689 $thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
690
691 $thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
692 $thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
693 $thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
694 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
695 $offset += 2;
696 for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
697 // shortcut
698 $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
699 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
700
701 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30;
702 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
703 $offset += 2;
704 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
705 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
706 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
707 $offset += 2;
708 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
709 $offset += 2;
710 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
711 $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
712 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
713 case 0x0000: // Unicode string
714 break;
715
716 case 0x0001: // BYTE array
717 // do nothing
718 break;
719
720 case 0x0002: // BOOL
721 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
722 break;
723
724 case 0x0003: // DWORD
725 case 0x0004: // QWORD
726 case 0x0005: // WORD
727 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
728 break;
729
730 default:
731 $ThisFileInfo['warning'][] = 'extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')';
732 //return false;
733 break;
734 }
735 switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
736
737 case 'wm/albumartist':
738 case 'artist':
739 $thisfile_asf_comments['artist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
740 break;
741
742 case 'wm/albumtitle':
743 case 'album':
744 $thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
745 break;
746
747 case 'wm/genre':
748 case 'genre':
749 $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
750 break;
751
752 case 'wm/tracknumber':
753 case 'tracknumber':
754 $thisfile_asf_comments['track'] = array(intval($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])));
755 break;
756
757 case 'wm/track':
758 if (empty($thisfile_asf_comments['track'])) {
759 $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
760 }
761 break;
762
763 case 'wm/year':
764 case 'year':
765 case 'date':
766 $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
767 break;
768
769 case 'wm/lyrics':
770 case 'lyrics':
771 $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
772 break;
773
774 case 'isvbr':
775 if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
776 $thisfile_audio['bitrate_mode'] = 'vbr';
777 $thisfile_video['bitrate_mode'] = 'vbr';
778 }
779 break;
780
781 case 'id3':
782 // id3v2 module might not be loaded
783 if (class_exists('getid3_id3v2')) {
784 $tempfile = tempnam('*', 'getID3');
785 $tempfilehandle = fopen($tempfile, "wb");
786 $tempThisfileInfo = array('encoding'=>$ThisFileInfo['encoding']);
787 fwrite($tempfilehandle, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
788 fclose($tempfilehandle);
789
790 $tempfilehandle = fopen($tempfile, "rb");
791 $id3 = new getid3_id3v2($tempfilehandle, $tempThisfileInfo);
792 fclose($tempfilehandle);
793 unlink($tempfile);
794
795 $ThisFileInfo['id3v2'] = $tempThisfileInfo['id3v2'];
796 }
797 break;
798
799 case 'wm/encodingtime':
800 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
801 $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
802 break;
803
804 case 'wm/picture':
805 //typedef struct _WMPicture{
806 // LPWSTR pwszMIMEType;
807 // BYTE bPictureType;
808 // LPWSTR pwszDescription;
809 // DWORD dwDataLen;
810 // BYTE* pbData;
811 //} WM_PICTURE;
812
813 $wm_picture_offset = 0;
814 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
815 $wm_picture_offset += 1;
816 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type'] = $this->WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
817 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
818 $wm_picture_offset += 4;
819
820 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
821 do {
822 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
823 $wm_picture_offset += 2;
824 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
825 } while ($next_byte_pair !== "\x00\x00");
826
827 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
828 do {
829 $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
830 $wm_picture_offset += 2;
831 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
832 } while ($next_byte_pair !== "\x00\x00");
833
834 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
835 $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
836 unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
837
838 break;
839
840 default:
841 switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
842 case 0: // Unicode string
843 if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
844 $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
845 }
846 break;
847
848 case 1:
849 break;
850 }
851 break;
852 }
853
854 }
855 break;
856
857 case GETID3_ASF_Stream_Bitrate_Properties_Object:
858 // Stream Bitrate Properties Object: (optional, one only)
859 // Field Name Field Type Size (bits)
860 // Object ID GUID 128 // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
861 // Object Size QWORD 64 // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
862 // Bitrate Records Count WORD 16 // number of records in Bitrate Records
863 // Bitrate Records array of: variable //
864 // * Flags WORD 16 //
865 // * * Stream Number bits 7 (0x007F) // number of this stream
866 // * * Reserved bits 9 (0xFF80) // hardcoded: 0
867 // * Average Bitrate DWORD 32 // in bits per second
868
869 // shortcut
870 $thisfile_asf['stream_bitrate_properties_object'] = array();
871 $thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
872
873 $thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
874 $thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
875 $thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
876 $thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
877 $offset += 2;
878 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
879 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
880 $offset += 2;
881 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
882 $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
883 $offset += 4;
884 }
885 break;
886
887 case GETID3_ASF_Padding_Object:
888 // Padding Object: (optional)
889 // Field Name Field Type Size (bits)
890 // Object ID GUID 128 // GUID for Padding object - GETID3_ASF_Padding_Object
891 // Object Size QWORD 64 // size of Padding object, including 24 bytes of ASF Padding Object header
892 // Padding Data BYTESTREAM variable // ignore
893
894 // shortcut
895 $thisfile_asf['padding_object'] = array();
896 $thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
897
898 $thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
899 $thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
900 $thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
901 $thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
902 $thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
903 break;
904
905 case GETID3_ASF_Extended_Content_Encryption_Object:
906 case GETID3_ASF_Content_Encryption_Object:
907 // WMA DRM - just ignore
908 $offset += ($NextObjectSize - 16 - 8);
909 break;
910
911 default:
912 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
913 if ($this->GUIDname($NextObjectGUIDtext)) {
914 $ThisFileInfo['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
915 } else {
916 $ThisFileInfo['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
917 }
918 $offset += ($NextObjectSize - 16 - 8);
919 break;
920 }
921 }
922 if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
923 $ASFbitrateAudio = 0;
924 $ASFbitrateVideo = 0;
925 for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
926 if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
927 switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
928 case 1:
929 $ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
930 break;
931
932 case 2:
933 $ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
934 break;
935
936 default:
937 // do nothing
938 break;
939 }
940 }
941 }
942 if ($ASFbitrateAudio > 0) {
943 $thisfile_audio['bitrate'] = $ASFbitrateAudio;
944 }
945 if ($ASFbitrateVideo > 0) {
946 $thisfile_video['bitrate'] = $ASFbitrateVideo;
947 }
948 }
949 if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
950
951 $thisfile_audio['bitrate'] = 0;
952 $thisfile_video['bitrate'] = 0;
953
954 foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
955
956 switch ($streamdata['stream_type']) {
957 case GETID3_ASF_Audio_Media:
958 // Field Name Field Type Size (bits)
959 // Codec ID / Format Tag WORD 16 // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
960 // Number of Channels WORD 16 // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
961 // Samples Per Second DWORD 32 // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
962 // Average number of Bytes/sec DWORD 32 // bytes/sec of audio stream - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
963 // Block Alignment WORD 16 // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
964 // 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
965 // Codec Specific Data Size WORD 16 // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
966 // Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
967
968 // shortcut
969 $thisfile_asf['audio_media'][$streamnumber] = array();
970 $thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
971
972 $audiomediaoffset = 0;
973
974 $thisfile_asf_audiomedia_currentstream = getid3_riff::RIFFparseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
975 $audiomediaoffset += 16;
976
977 $thisfile_audio['lossless'] = false;
978 switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
979 case 0x0001: // PCM
980 case 0x0163: // WMA9 Lossless
981 $thisfile_audio['lossless'] = true;
982 break;
983 }
984
985 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
986 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
987 if (@$dataarray['flags']['stream_number'] == $streamnumber) {
988 $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
989 $thisfile_audio['bitrate'] += $dataarray['bitrate'];
990 break;
991 }
992 }
993 } else {
994 if (@$thisfile_asf_audiomedia_currentstream['bytes_sec']) {
995 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
996 } elseif (@$thisfile_asf_audiomedia_currentstream['bitrate']) {
997 $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
998 }
999 }
1000 $thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
1001 $thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1002 $thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
1003 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1004 unset($thisfile_audio['streams'][$streamnumber]['raw']);
1005
1006 $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1007 $audiomediaoffset += 2;
1008 $thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1009 $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1010
1011 break;
1012
1013 case GETID3_ASF_Video_Media:
1014 // Field Name Field Type Size (bits)
1015 // Encoded Image Width DWORD 32 // width of image in pixels
1016 // Encoded Image Height DWORD 32 // height of image in pixels
1017 // Reserved Flags BYTE 8 // hardcoded: 0x02
1018 // Format Data Size WORD 16 // size of Format Data field in bytes
1019 // Format Data array of: variable //
1020 // * Format Data Size DWORD 32 // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1021 // * Image Width LONG 32 // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1022 // * Image Height LONG 32 // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1023 // * Reserved WORD 16 // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1024 // * Bits Per Pixel Count WORD 16 // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1025 // * Compression ID FOURCC 32 // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1026 // * Image Size DWORD 32 // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1027 // * Horizontal Pixels / Meter DWORD 32 // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1028 // * Vertical Pixels / Meter DWORD 32 // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1029 // * Colors Used Count DWORD 32 // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1030 // * 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
1031 // * Codec Specific Data BYTESTREAM variable // array of codec-specific data bytes
1032
1033 // shortcut
1034 $thisfile_asf['video_media'][$streamnumber] = array();
1035 $thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
1036
1037 $videomediaoffset = 0;
1038 $thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1039 $videomediaoffset += 4;
1040 $thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1041 $videomediaoffset += 4;
1042 $thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1043 $videomediaoffset += 1;
1044 $thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1045 $videomediaoffset += 2;
1046 $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1047 $videomediaoffset += 4;
1048 $thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1049 $videomediaoffset += 4;
1050 $thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1051 $videomediaoffset += 4;
1052 $thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1053 $videomediaoffset += 2;
1054 $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1055 $videomediaoffset += 2;
1056 $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1057 $videomediaoffset += 4;
1058 $thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1059 $videomediaoffset += 4;
1060 $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1061 $videomediaoffset += 4;
1062 $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1063 $videomediaoffset += 4;
1064 $thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1065 $videomediaoffset += 4;
1066 $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1067 $videomediaoffset += 4;
1068 $thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
1069
1070 if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1071 foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1072 if (@$dataarray['flags']['stream_number'] == $streamnumber) {
1073 $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1074 $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1075 $thisfile_video['bitrate'] += $dataarray['bitrate'];
1076 break;
1077 }
1078 }
1079 }
1080
1081 $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::RIFFfourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1082
1083 $thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1084 $thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1085 $thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
1086 $thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
1087 $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1088 break;
1089
1090 default:
1091 break;
1092 }
1093 }
1094 }
1095
1096 while (ftell($fd) < $ThisFileInfo['avdataend']) {
1097 $NextObjectDataHeader = fread($fd, 24);
1098 $offset = 0;
1099 $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1100 $offset += 16;
1101 $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1102 $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1103 $offset += 8;
1104
1105 switch ($NextObjectGUID) {
1106 case GETID3_ASF_Data_Object:
1107 // Data Object: (mandatory, one only)
1108 // Field Name Field Type Size (bits)
1109 // Object ID GUID 128 // GUID for Data object - GETID3_ASF_Data_Object
1110 // Object Size QWORD 64 // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1111 // File ID GUID 128 // unique identifier. identical to File ID field in Header Object
1112 // Total Data Packets QWORD 64 // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1113 // Reserved WORD 16 // hardcoded: 0x0101
1114
1115 // shortcut
1116 $thisfile_asf['data_object'] = array();
1117 $thisfile_asf_dataobject = &$thisfile_asf['data_object'];
1118
1119 $DataObjectData = $NextObjectDataHeader.fread($fd, 50 - 24);
1120 $offset = 24;
1121
1122 $thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
1123 $thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
1124 $thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
1125
1126 $thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
1127 $offset += 16;
1128 $thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1129 $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1130 $offset += 8;
1131 $thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1132 $offset += 2;
1133 if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1134 $ThisFileInfo['warning'][] = 'data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"';
1135 //return false;
1136 break;
1137 }
1138
1139 // Data Packets array of: variable //
1140 // * Error Correction Flags BYTE 8 //
1141 // * * Error Correction Data Length bits 4 // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1142 // * * Opaque Data Present bits 1 //
1143 // * * Error Correction Length Type bits 2 // number of bits for size of the error correction data. hardcoded: 00
1144 // * * Error Correction Present bits 1 // If set, use Opaque Data Packet structure, else use Payload structure
1145 // * Error Correction Data
1146
1147 $ThisFileInfo['avdataoffset'] = ftell($fd);
1148 fseek($fd, ($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1149 $ThisFileInfo['avdataend'] = ftell($fd);
1150 break;
1151
1152 case GETID3_ASF_Simple_Index_Object:
1153 // Simple Index Object: (optional, recommended, one per video stream)
1154 // Field Name Field Type Size (bits)
1155 // Object ID GUID 128 // GUID for Simple Index object - GETID3_ASF_Data_Object
1156 // Object Size QWORD 64 // size of Simple Index object, including 56 bytes of Simple Index Object header
1157 // File ID GUID 128 // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1158 // Index Entry Time Interval QWORD 64 // interval between index entries in 100-nanosecond units
1159 // Maximum Packet Count DWORD 32 // maximum packet count for all index entries
1160 // Index Entries Count DWORD 32 // number of Index Entries structures
1161 // Index Entries array of: variable //
1162 // * Packet Number DWORD 32 // number of the Data Packet associated with this index entry
1163 // * Packet Count WORD 16 // number of Data Packets to sent at this index entry
1164
1165 // shortcut
1166 $thisfile_asf['simple_index_object'] = array();
1167 $thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
1168
1169 $SimpleIndexObjectData = $NextObjectDataHeader.fread($fd, 56 - 24);
1170 $offset = 24;
1171
1172 $thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
1173 $thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
1174 $thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
1175
1176 $thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
1177 $offset += 16;
1178 $thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1179 $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1180 $offset += 8;
1181 $thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1182 $offset += 4;
1183 $thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1184 $offset += 4;
1185
1186 $IndexEntriesData = $SimpleIndexObjectData.fread($fd, 6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1187 for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1188 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1189 $offset += 4;
1190 $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1191 $offset += 2;
1192 }
1193
1194 break;
1195
1196 case GETID3_ASF_Index_Object:
1197 // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1198 // Field Name Field Type Size (bits)
1199 // Object ID GUID 128 // GUID for the Index Object - GETID3_ASF_Index_Object
1200 // Object Size QWORD 64 // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1201 // Index Entry Time Interval DWORD 32 // Specifies the time interval between each index entry in ms.
1202 // Index Specifiers Count WORD 16 // Specifies the number of Index Specifiers structures in this Index Object.
1203 // Index Blocks Count DWORD 32 // Specifies the number of Index Blocks structures in this Index Object.
1204
1205 // Index Entry Time Interval DWORD 32 // Specifies the time interval between index entries in milliseconds. This value cannot be 0.
1206 // Index Specifiers Count WORD 16 // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
1207 // Index Specifiers array of: varies //
1208 // * Stream Number WORD 16 // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1209 // * Index Type WORD 16 // Specifies Index Type values as follows:
1210 // 1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1211 // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1212 // 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.
1213 // Nearest Past Cleanpoint is the most common type of index.
1214 // Index Entry Count DWORD 32 // Specifies the number of Index Entries in the block.
1215 // * 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.
1216 // * Index Entries array of: varies //
1217 // * * Offsets DWORD varies // An offset value of 0xffffffff indicates an invalid offset value
1218
1219 // shortcut
1220 $thisfile_asf['asf_index_object'] = array();
1221 $thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
1222
1223 $ASFIndexObjectData = $NextObjectDataHeader.fread($fd, 34 - 24);
1224 $offset = 24;
1225
1226 $thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
1227 $thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
1228 $thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
1229
1230 $thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1231 $offset += 4;
1232 $thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1233 $offset += 2;
1234 $thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1235 $offset += 4;
1236
1237 $ASFIndexObjectData .= fread($fd, 4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1238 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1239 $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1240 $offset += 2;
1241 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
1242 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1243 $offset += 2;
1244 $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1245 }
1246
1247 $ASFIndexObjectData .= fread($fd, 4);
1248 $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1249 $offset += 4;
1250
1251 $ASFIndexObjectData .= fread($fd, 8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1252 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1253 $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1254 $offset += 8;
1255 }
1256
1257 $ASFIndexObjectData .= fread($fd, 4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1258 for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1259 for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1260 $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1261 $offset += 4;
1262 }
1263 }
1264 break;
1265
1266
1267 default:
1268 // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1269 if ($this->GUIDname($NextObjectGUIDtext)) {
1270 $ThisFileInfo['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8);
1271 } else {
1272 $ThisFileInfo['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.(ftell($fd) - 16 - 8);
1273 }
1274 fseek($fd, ($NextObjectSize - 16 - 8), SEEK_CUR);
1275 break;
1276 }
1277 }
1278
1279 if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1280 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1281 switch ($streamdata['information']) {
1282 case 'WMV1':
1283 case 'WMV2':
1284 case 'WMV3':
1285 $thisfile_video['dataformat'] = 'wmv';
1286 $ThisFileInfo['mime_type'] = 'video/x-ms-wmv';
1287 break;
1288
1289 case 'MP42':
1290 case 'MP43':
1291 case 'MP4S':
1292 case 'mp4s':
1293 $thisfile_video['dataformat'] = 'asf';
1294 $ThisFileInfo['mime_type'] = 'video/x-ms-asf';
1295 break;
1296
1297 default:
1298 switch ($streamdata['type_raw']) {
1299 case 1:
1300 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1301 $thisfile_video['dataformat'] = 'wmv';
1302 if ($ThisFileInfo['mime_type'] == 'video/x-ms-asf') {
1303 $ThisFileInfo['mime_type'] = 'video/x-ms-wmv';
1304 }
1305 }
1306 break;
1307
1308 case 2:
1309 if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1310 $thisfile_audio['dataformat'] = 'wma';
1311 if ($ThisFileInfo['mime_type'] == 'video/x-ms-asf') {
1312 $ThisFileInfo['mime_type'] = 'audio/x-ms-wma';
1313 }
1314 }
1315 break;
1316
1317 }
1318 break;
1319 }
1320 }
1321 }
1322
1323 switch (@$thisfile_audio['codec']) {
1324 case 'MPEG Layer-3':
1325 $thisfile_audio['dataformat'] = 'mp3';
1326 break;
1327
1328 default:
1329 break;
1330 }
1331
1332 if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1333 foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1334 switch ($streamdata['type_raw']) {
1335
1336 case 1: // video
1337 $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1338 break;
1339
1340 case 2: // audio
1341 $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1342
1343 // AH 2003-10-01
1344 $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1345
1346 $thisfile_audio['codec'] = $thisfile_audio['encoder'];
1347 break;
1348
1349 default:
1350 $ThisFileInfo['warning'][] = 'Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw'];
1351 break;
1352
1353 }
1354 }
1355 }
1356
1357 if (isset($ThisFileInfo['audio'])) {
1358 $thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1359 $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
1360 }
1361 if (!empty($thisfile_video['dataformat'])) {
1362 $thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
1363 $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1364 $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
1365 }
1366 $ThisFileInfo['bitrate'] = @$thisfile_audio['bitrate'] + @$thisfile_video['bitrate'];
1367 return true;
1368 }
1369
1370 function ASFCodecListObjectTypeLookup($CodecListType) {
1371 static $ASFCodecListObjectTypeLookup = array();
1372 if (empty($ASFCodecListObjectTypeLookup)) {
1373 $ASFCodecListObjectTypeLookup[0x0001] = 'Video Codec';
1374 $ASFCodecListObjectTypeLookup[0x0002] = 'Audio Codec';
1375 $ASFCodecListObjectTypeLookup[0xFFFF] = 'Unknown Codec';
1376 }
1377
1378 return (isset($ASFCodecListObjectTypeLookup[$CodecListType]) ? $ASFCodecListObjectTypeLookup[$CodecListType] : 'Invalid Codec Type');
1379 }
1380
1381 function KnownGUIDs() {
1382 static $GUIDarray = array();
1383 if (empty($GUIDarray)) {
1384 $GUIDarray['GETID3_ASF_Extended_Stream_Properties_Object'] = '14E6A5CB-C672-4332-8399-A96952065B5A';
1385 $GUIDarray['GETID3_ASF_Padding_Object'] = '1806D474-CADF-4509-A4BA-9AABCB96AAE8';
1386 $GUIDarray['GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio'] = '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8';
1387 $GUIDarray['GETID3_ASF_Script_Command_Object'] = '1EFB1A30-0B62-11D0-A39B-00A0C90348F6';
1388 $GUIDarray['GETID3_ASF_No_Error_Correction'] = '20FB5700-5B55-11CF-A8FD-00805F5C442B';
1389 $GUIDarray['GETID3_ASF_Content_Branding_Object'] = '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E';
1390 $GUIDarray['GETID3_ASF_Content_Encryption_Object'] = '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E';
1391 $GUIDarray['GETID3_ASF_Digital_Signature_Object'] = '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E';
1392 $GUIDarray['GETID3_ASF_Extended_Content_Encryption_Object'] = '298AE614-2622-4C17-B935-DAE07EE9289C';
1393 $GUIDarray['GETID3_ASF_Simple_Index_Object'] = '33000890-E5B1-11CF-89F4-00A0C90349CB';
1394 $GUIDarray['GETID3_ASF_Degradable_JPEG_Media'] = '35907DE0-E415-11CF-A917-00805F5C442B';
1395 $GUIDarray['GETID3_ASF_Payload_Extension_System_Timecode'] = '399595EC-8667-4E2D-8FDB-98814CE76C1E';
1396 $GUIDarray['GETID3_ASF_Binary_Media'] = '3AFB65E2-47EF-40F2-AC2C-70A90D71D343';
1397 $GUIDarray['GETID3_ASF_Timecode_Index_Object'] = '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C';
1398 $GUIDarray['GETID3_ASF_Metadata_Library_Object'] = '44231C94-9498-49D1-A141-1D134E457054';
1399 $GUIDarray['GETID3_ASF_Reserved_3'] = '4B1ACBE3-100B-11D0-A39B-00A0C90348F6';
1400 $GUIDarray['GETID3_ASF_Reserved_4'] = '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB';
1401 $GUIDarray['GETID3_ASF_Command_Media'] = '59DACFC0-59E6-11D0-A3AC-00A0C90348F6';
1402 $GUIDarray['GETID3_ASF_Header_Extension_Object'] = '5FBF03B5-A92E-11CF-8EE3-00C00C205365';
1403 $GUIDarray['GETID3_ASF_Media_Object_Index_Parameters_Obj'] = '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7';
1404 $GUIDarray['GETID3_ASF_Header_Object'] = '75B22630-668E-11CF-A6D9-00AA0062CE6C';
1405 $GUIDarray['GETID3_ASF_Content_Description_Object'] = '75B22633-668E-11CF-A6D9-00AA0062CE6C';
1406 $GUIDarray['GETID3_ASF_Error_Correction_Object'] = '75B22635-668E-11CF-A6D9-00AA0062CE6C';
1407 $GUIDarray['GETID3_ASF_Data_Object'] = '75B22636-668E-11CF-A6D9-00AA0062CE6C';
1408 $GUIDarray['GETID3_ASF_Web_Stream_Media_Subtype'] = '776257D4-C627-41CB-8F81-7AC7FF1C40CC';
1409 $GUIDarray['GETID3_ASF_Stream_Bitrate_Properties_Object'] = '7BF875CE-468D-11D1-8D82-006097C9A2B2';
1410 $GUIDarray['GETID3_ASF_Language_List_Object'] = '7C4346A9-EFE0-4BFC-B229-393EDE415C85';
1411 $GUIDarray['GETID3_ASF_Codec_List_Object'] = '86D15240-311D-11D0-A3A4-00A0C90348F6';
1412 $GUIDarray['GETID3_ASF_Reserved_2'] = '86D15241-311D-11D0-A3A4-00A0C90348F6';
1413 $GUIDarray['GETID3_ASF_File_Properties_Object'] = '8CABDCA1-A947-11CF-8EE4-00C00C205365';
1414 $GUIDarray['GETID3_ASF_File_Transfer_Media'] = '91BD222C-F21C-497A-8B6D-5AA86BFC0185';
1415 $GUIDarray['GETID3_ASF_Old_RTP_Extension_Data'] = '96800C63-4C94-11D1-837B-0080C7A37F95';
1416 $GUIDarray['GETID3_ASF_Advanced_Mutual_Exclusion_Object'] = 'A08649CF-4775-4670-8A16-6E35357566CD';
1417 $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Object'] = 'A69609E6-517B-11D2-B6AF-00C04FD908E9';
1418 $GUIDarray['GETID3_ASF_Reserved_1'] = 'ABD3D211-A9BA-11cf-8EE6-00C00C205365';
1419 $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Exclusive'] = 'AF6060AA-5197-11D2-B6AF-00C04FD908E9';
1420 $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Partial'] = 'AF6060AB-5197-11D2-B6AF-00C04FD908E9';
1421 $GUIDarray['GETID3_ASF_JFIF_Media'] = 'B61BE100-5B4E-11CF-A8FD-00805F5C442B';
1422 $GUIDarray['GETID3_ASF_Stream_Properties_Object'] = 'B7DC0791-A9B7-11CF-8EE6-00C00C205365';
1423 $GUIDarray['GETID3_ASF_Video_Media'] = 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B';
1424 $GUIDarray['GETID3_ASF_Audio_Spread'] = 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220';
1425 $GUIDarray['GETID3_ASF_Metadata_Object'] = 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA';
1426 $GUIDarray['GETID3_ASF_Payload_Ext_Syst_Sample_Duration'] = 'C6BD9450-867F-4907-83A3-C77921B733AD';
1427 $GUIDarray['GETID3_ASF_Group_Mutual_Exclusion_Object'] = 'D1465A40-5A79-4338-B71B-E36B8FD6C249';
1428 $GUIDarray['GETID3_ASF_Extended_Content_Description_Object'] = 'D2D0A440-E307-11D2-97F0-00A0C95EA850';
1429 $GUIDarray['GETID3_ASF_Stream_Prioritization_Object'] = 'D4FED15B-88D3-454F-81F0-ED5C45999E24';
1430 $GUIDarray['GETID3_ASF_Payload_Ext_System_Content_Type'] = 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC';
1431 $GUIDarray['GETID3_ASF_Old_File_Properties_Object'] = 'D6E229D0-35DA-11D1-9034-00A0C90349BE';
1432 $GUIDarray['GETID3_ASF_Old_ASF_Header_Object'] = 'D6E229D1-35DA-11D1-9034-00A0C90349BE';
1433 $GUIDarray['GETID3_ASF_Old_ASF_Data_Object'] = 'D6E229D2-35DA-11D1-9034-00A0C90349BE';
1434 $GUIDarray['GETID3_ASF_Index_Object'] = 'D6E229D3-35DA-11D1-9034-00A0C90349BE';
1435 $GUIDarray['GETID3_ASF_Old_Stream_Properties_Object'] = 'D6E229D4-35DA-11D1-9034-00A0C90349BE';
1436 $GUIDarray['GETID3_ASF_Old_Content_Description_Object'] = 'D6E229D5-35DA-11D1-9034-00A0C90349BE';
1437 $GUIDarray['GETID3_ASF_Old_Script_Command_Object'] = 'D6E229D6-35DA-11D1-9034-00A0C90349BE';
1438 $GUIDarray['GETID3_ASF_Old_Marker_Object'] = 'D6E229D7-35DA-11D1-9034-00A0C90349BE';
1439 $GUIDarray['GETID3_ASF_Old_Component_Download_Object'] = 'D6E229D8-35DA-11D1-9034-00A0C90349BE';
1440 $GUIDarray['GETID3_ASF_Old_Stream_Group_Object'] = 'D6E229D9-35DA-11D1-9034-00A0C90349BE';
1441 $GUIDarray['GETID3_ASF_Old_Scalable_Object'] = 'D6E229DA-35DA-11D1-9034-00A0C90349BE';
1442 $GUIDarray['GETID3_ASF_Old_Prioritization_Object'] = 'D6E229DB-35DA-11D1-9034-00A0C90349BE';
1443 $GUIDarray['GETID3_ASF_Bitrate_Mutual_Exclusion_Object'] = 'D6E229DC-35DA-11D1-9034-00A0C90349BE';
1444 $GUIDarray['GETID3_ASF_Old_Inter_Media_Dependency_Object'] = 'D6E229DD-35DA-11D1-9034-00A0C90349BE';
1445 $GUIDarray['GETID3_ASF_Old_Rating_Object'] = 'D6E229DE-35DA-11D1-9034-00A0C90349BE';
1446 $GUIDarray['GETID3_ASF_Index_Parameters_Object'] = 'D6E229DF-35DA-11D1-9034-00A0C90349BE';
1447 $GUIDarray['GETID3_ASF_Old_Color_Table_Object'] = 'D6E229E0-35DA-11D1-9034-00A0C90349BE';
1448 $GUIDarray['GETID3_ASF_Old_Language_List_Object'] = 'D6E229E1-35DA-11D1-9034-00A0C90349BE';
1449 $GUIDarray['GETID3_ASF_Old_Audio_Media'] = 'D6E229E2-35DA-11D1-9034-00A0C90349BE';
1450 $GUIDarray['GETID3_ASF_Old_Video_Media'] = 'D6E229E3-35DA-11D1-9034-00A0C90349BE';
1451 $GUIDarray['GETID3_ASF_Old_Image_Media'] = 'D6E229E4-35DA-11D1-9034-00A0C90349BE';
1452 $GUIDarray['GETID3_ASF_Old_Timecode_Media'] = 'D6E229E5-35DA-11D1-9034-00A0C90349BE';
1453 $GUIDarray['GETID3_ASF_Old_Text_Media'] = 'D6E229E6-35DA-11D1-9034-00A0C90349BE';
1454 $GUIDarray['GETID3_ASF_Old_MIDI_Media'] = 'D6E229E7-35DA-11D1-9034-00A0C90349BE';
1455 $GUIDarray['GETID3_ASF_Old_Command_Media'] = 'D6E229E8-35DA-11D1-9034-00A0C90349BE';
1456 $GUIDarray['GETID3_ASF_Old_No_Error_Concealment'] = 'D6E229EA-35DA-11D1-9034-00A0C90349BE';
1457 $GUIDarray['GETID3_ASF_Old_Scrambled_Audio'] = 'D6E229EB-35DA-11D1-9034-00A0C90349BE';
1458 $GUIDarray['GETID3_ASF_Old_No_Color_Table'] = 'D6E229EC-35DA-11D1-9034-00A0C90349BE';
1459 $GUIDarray['GETID3_ASF_Old_SMPTE_Time'] = 'D6E229ED-35DA-11D1-9034-00A0C90349BE';
1460 $GUIDarray['GETID3_ASF_Old_ASCII_Text'] = 'D6E229EE-35DA-11D1-9034-00A0C90349BE';
1461 $GUIDarray['GETID3_ASF_Old_Unicode_Text'] = 'D6E229EF-35DA-11D1-9034-00A0C90349BE';
1462 $GUIDarray['GETID3_ASF_Old_HTML_Text'] = 'D6E229F0-35DA-11D1-9034-00A0C90349BE';
1463 $GUIDarray['GETID3_ASF_Old_URL_Command'] = 'D6E229F1-35DA-11D1-9034-00A0C90349BE';
1464 $GUIDarray['GETID3_ASF_Old_Filename_Command'] = 'D6E229F2-35DA-11D1-9034-00A0C90349BE';
1465 $GUIDarray['GETID3_ASF_Old_ACM_Codec'] = 'D6E229F3-35DA-11D1-9034-00A0C90349BE';
1466 $GUIDarray['GETID3_ASF_Old_VCM_Codec'] = 'D6E229F4-35DA-11D1-9034-00A0C90349BE';
1467 $GUIDarray['GETID3_ASF_Old_QuickTime_Codec'] = 'D6E229F5-35DA-11D1-9034-00A0C90349BE';
1468 $GUIDarray['GETID3_ASF_Old_DirectShow_Transform_Filter'] = 'D6E229F6-35DA-11D1-9034-00A0C90349BE';
1469 $GUIDarray['GETID3_ASF_Old_DirectShow_Rendering_Filter'] = 'D6E229F7-35DA-11D1-9034-00A0C90349BE';
1470 $GUIDarray['GETID3_ASF_Old_No_Enhancement'] = 'D6E229F8-35DA-11D1-9034-00A0C90349BE';
1471 $GUIDarray['GETID3_ASF_Old_Unknown_Enhancement_Type'] = 'D6E229F9-35DA-11D1-9034-00A0C90349BE';
1472 $GUIDarray['GETID3_ASF_Old_Temporal_Enhancement'] = 'D6E229FA-35DA-11D1-9034-00A0C90349BE';
1473 $GUIDarray['GETID3_ASF_Old_Spatial_Enhancement'] = 'D6E229FB-35DA-11D1-9034-00A0C90349BE';
1474 $GUIDarray['GETID3_ASF_Old_Quality_Enhancement'] = 'D6E229FC-35DA-11D1-9034-00A0C90349BE';
1475 $GUIDarray['GETID3_ASF_Old_Number_of_Channels_Enhancement'] = 'D6E229FD-35DA-11D1-9034-00A0C90349BE';
1476 $GUIDarray['GETID3_ASF_Old_Frequency_Response_Enhancement'] = 'D6E229FE-35DA-11D1-9034-00A0C90349BE';
1477 $GUIDarray['GETID3_ASF_Old_Media_Object'] = 'D6E229FF-35DA-11D1-9034-00A0C90349BE';
1478 $GUIDarray['GETID3_ASF_Mutex_Language'] = 'D6E22A00-35DA-11D1-9034-00A0C90349BE';
1479 $GUIDarray['GETID3_ASF_Mutex_Bitrate'] = 'D6E22A01-35DA-11D1-9034-00A0C90349BE';
1480 $GUIDarray['GETID3_ASF_Mutex_Unknown'] = 'D6E22A02-35DA-11D1-9034-00A0C90349BE';
1481 $GUIDarray['GETID3_ASF_Old_ASF_Placeholder_Object'] = 'D6E22A0E-35DA-11D1-9034-00A0C90349BE';
1482 $GUIDarray['GETID3_ASF_Old_Data_Unit_Extension_Object'] = 'D6E22A0F-35DA-11D1-9034-00A0C90349BE';
1483 $GUIDarray['GETID3_ASF_Web_Stream_Format'] = 'DA1E6B13-8359-4050-B398-388E965BF00C';
1484 $GUIDarray['GETID3_ASF_Payload_Ext_System_File_Name'] = 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B';
1485 $GUIDarray['GETID3_ASF_Marker_Object'] = 'F487CD01-A951-11CF-8EE6-00C00C205365';
1486 $GUIDarray['GETID3_ASF_Timecode_Index_Parameters_Object'] = 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24';
1487 $GUIDarray['GETID3_ASF_Audio_Media'] = 'F8699E40-5B4D-11CF-A8FD-00805F5C442B';
1488 $GUIDarray['GETID3_ASF_Media_Object_Index_Object'] = 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C';
1489 $GUIDarray['GETID3_ASF_Alt_Extended_Content_Encryption_Obj'] = 'FF889EF1-ADEE-40DA-9E71-98704BB928CE';
1490 }
1491 return $GUIDarray;
1492 }
1493
1494 function GUIDname($GUIDstring) {
1495 static $GUIDarray = array();
1496 if (empty($GUIDarray)) {
1497 $GUIDarray = $this->KnownGUIDs();
1498 }
1499 return array_search($GUIDstring, $GUIDarray);
1500 }
1501
1502 function ASFIndexObjectIndexTypeLookup($id) {
1503 static $ASFIndexObjectIndexTypeLookup = array();
1504 if (empty($ASFIndexObjectIndexTypeLookup)) {
1505 $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1506 $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1507 $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1508 }
1509 return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1510 }
1511
1512 function GUIDtoBytestring($GUIDstring) {
1513 // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1514 // first 4 bytes are in little-endian order
1515 // next 2 bytes are appended in little-endian order
1516 // next 2 bytes are appended in little-endian order
1517 // next 2 bytes are appended in big-endian order
1518 // next 6 bytes are appended in big-endian order
1519
1520 // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1521 // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1522
1523 $hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
1524 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
1525 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
1526 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
1527
1528 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1529 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
1530
1531 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1532 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1533
1534 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1535 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1536
1537 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1538 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1539 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1540 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1541 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1542 $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1543
1544 return $hexbytecharstring;
1545 }
1546
1547 function BytestringToGUID($Bytestring) {
1548 $GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT);
1549 $GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT);
1550 $GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT);
1551 $GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT);
1552 $GUIDstring .= '-';
1553 $GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT);
1554 $GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT);
1555 $GUIDstring .= '-';
1556 $GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT);
1557 $GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT);
1558 $GUIDstring .= '-';
1559 $GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT);
1560 $GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT);
1561 $GUIDstring .= '-';
1562 $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
1563 $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
1564 $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
1565 $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
1566 $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
1567 $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
1568
1569 return strtoupper($GUIDstring);
1570 }
1571
1572 function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1573 // FILETIME is a 64-bit unsigned integer representing
1574 // the number of 100-nanosecond intervals since January 1, 1601
1575 // UNIX timestamp is number of seconds since January 1, 1970
1576 // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1577 if ($round) {
1578 return intval(round(($FILETIME - 116444736000000000) / 10000000));
1579 }
1580 return ($FILETIME - 116444736000000000) / 10000000;
1581 }
1582
1583 function WMpictureTypeLookup($WMpictureType) {
1584 static $WMpictureTypeLookup = array();
1585 if (empty($WMpictureTypeLookup)) {
1586 $WMpictureTypeLookup[0x03] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Front Cover');
1587 $WMpictureTypeLookup[0x04] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Back Cover');
1588 $WMpictureTypeLookup[0x00] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'User Defined');
1589 $WMpictureTypeLookup[0x05] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Leaflet Page');
1590 $WMpictureTypeLookup[0x06] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Media Label');
1591 $WMpictureTypeLookup[0x07] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lead Artist');
1592 $WMpictureTypeLookup[0x08] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Artist');
1593 $WMpictureTypeLookup[0x09] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Conductor');
1594 $WMpictureTypeLookup[0x0A] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band');
1595 $WMpictureTypeLookup[0x0B] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Composer');
1596 $WMpictureTypeLookup[0x0C] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lyricist');
1597 $WMpictureTypeLookup[0x0D] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Recording Location');
1598 $WMpictureTypeLookup[0x0E] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Recording');
1599 $WMpictureTypeLookup[0x0F] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Performance');
1600 $WMpictureTypeLookup[0x10] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Video Screen Capture');
1601 $WMpictureTypeLookup[0x12] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Illustration');
1602 $WMpictureTypeLookup[0x13] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band Logotype');
1603 $WMpictureTypeLookup[0x14] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Publisher Logotype');
1604 }
1605 return @$WMpictureTypeLookup[$WMpictureType];
1606 }
1607
1608
1609 // Remove terminator 00 00 and convert UNICODE to Latin-1
1610 function TrimConvert($string) {
1611
1612 // remove terminator, only if present (it should be, but...)
1613 if (substr($string, strlen($string) - 2, 2) == "\x00\x00") {
1614 $string = substr($string, 0, strlen($string) - 2);
1615 }
1616
1617 // convert
1618 return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', $string), ' ');
1619 }
1620
1621
1622 function TrimTerm($string) {
1623
1624 // remove terminator, only if present (it should be, but...)
1625 if (substr($string, -2) == "\x00\x00") {
1626 $string = substr($string, 0, -2);
1627 }
1628 return $string;
1629 }
1630
1631
1632}
1633
1634
1635?>
getid3_asf
Definition: module.audio-video.asf.php:27
getid3_asf\FILETIMEtoUNIXtime
FILETIMEtoUNIXtime($FILETIME, $round=true)
Definition: module.audio-video.asf.php:1572
getid3_asf\GUIDname
GUIDname($GUIDstring)
Definition: module.audio-video.asf.php:1494
getid3_asf\TrimConvert
TrimConvert($string)
Definition: module.audio-video.asf.php:1610
getid3_asf\WMpictureTypeLookup
WMpictureTypeLookup($WMpictureType)
Definition: module.audio-video.asf.php:1583
getid3_asf\TrimTerm
TrimTerm($string)
Definition: module.audio-video.asf.php:1622
getid3_asf\BytestringToGUID
BytestringToGUID($Bytestring)
Definition: module.audio-video.asf.php:1547
getid3_asf\ASFCodecListObjectTypeLookup
ASFCodecListObjectTypeLookup($CodecListType)
Definition: module.audio-video.asf.php:1370
getid3_asf\getid3_asf
getid3_asf(&$fd, &$ThisFileInfo)
Definition: module.audio-video.asf.php:29
getid3_asf\KnownGUIDs
KnownGUIDs()
Definition: module.audio-video.asf.php:1381
getid3_asf\ASFIndexObjectIndexTypeLookup
ASFIndexObjectIndexTypeLookup($id)
Definition: module.audio-video.asf.php:1502
getid3_asf\GUIDtoBytestring
GUIDtoBytestring($GUIDstring)
Definition: module.audio-video.asf.php:1512
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
getid3_handler\ftell
ftell()
Definition: getid3.php:1678
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1685
getid3_id3v2
Definition: module.tag.id3v2.php:19
getid3_lib\LittleEndian2Int
LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:266
getid3_lib\IncludeDependency
IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1301
getid3_lib\array_merge_noclobber
array_merge_noclobber($array1, $array2)
Definition: getid3.lib.php:376
getid3_lib\iconv_fallback
iconv_fallback($in_charset, $out_charset, $string)
Definition: getid3.lib.php:951
getid3_riff\RIFFparseWAVEFORMATex
RIFFparseWAVEFORMATex($WaveFormatExData)
Definition: module.audio-video.riff.php:1339
getid3_riff\RIFFfourccLookup
RIFFfourccLookup($fourcc)
Definition: module.audio-video.riff.php:1595