/components/com_jce/editor/tiny_mce/plugins/mediamanager/classes/getid3/module.audio-video.asf.php
PHP | 1707 lines | 1174 code | 206 blank | 327 comment | 120 complexity | 45929fdabad6f00cad2a72af858f1ee7 MD5 | raw file
Possible License(s): LGPL-3.0, GPL-2.0, MIT, BSD-3-Clause, LGPL-2.1
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- <?php
- /////////////////////////////////////////////////////////////////
- /// getID3() by James Heinrich <info@getid3.org> //
- // available at http://getid3.sourceforge.net //
- // or http://www.getid3.org //
- /////////////////////////////////////////////////////////////////
- // See readme.txt for more details //
- /////////////////////////////////////////////////////////////////
- // //
- // module.audio-video.asf.php //
- // module for analyzing ASF, WMA and WMV files //
- // dependencies: module.audio-video.riff.php //
- // ///
- /////////////////////////////////////////////////////////////////
- getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
- class getid3_asf extends getid3_handler
- {
- function __construct(getID3 $getid3) {
- parent::__construct($getid3); // extends getid3_handler::__construct()
- // initialize all GUID constants
- $GUIDarray = $this->KnownGUIDs();
- foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
- if (!defined($GUIDname)) {
- define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
- }
- }
- }
- function Analyze() {
- $info = &$this->getid3->info;
- // Shortcuts
- $thisfile_audio = &$info['audio'];
- $thisfile_video = &$info['video'];
- $info['asf'] = array();
- $thisfile_asf = &$info['asf'];
- $thisfile_asf['comments'] = array();
- $thisfile_asf_comments = &$thisfile_asf['comments'];
- $thisfile_asf['header_object'] = array();
- $thisfile_asf_headerobject = &$thisfile_asf['header_object'];
- // ASF structure:
- // * Header Object [required]
- // * File Properties Object [required] (global file attributes)
- // * Stream Properties Object [required] (defines media stream & characteristics)
- // * Header Extension Object [required] (additional functionality)
- // * Content Description Object (bibliographic information)
- // * Script Command Object (commands for during playback)
- // * Marker Object (named jumped points within the file)
- // * Data Object [required]
- // * Data Packets
- // * Index Object
- // Header Object: (mandatory, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for header object - GETID3_ASF_Header_Object
- // Object Size QWORD 64 // size of header object, including 30 bytes of Header Object header
- // Number of Header Objects DWORD 32 // number of objects in header object
- // Reserved1 BYTE 8 // hardcoded: 0x01
- // Reserved2 BYTE 8 // hardcoded: 0x02
- $info['fileformat'] = 'asf';
- fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
- $HeaderObjectData = fread($this->getid3->fp, 30);
- $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16);
- $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
- if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
- $info['warning'][] = 'ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}';
- unset($info['fileformat']);
- unset($info['asf']);
- return false;
- break;
- }
- $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
- $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
- $thisfile_asf_headerobject['reserved1'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
- $thisfile_asf_headerobject['reserved2'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
- $NextObjectOffset = ftell($this->getid3->fp);
- $ASFHeaderData = fread($this->getid3->fp, $thisfile_asf_headerobject['objectsize'] - 30);
- $offset = 0;
- for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
- $NextObjectGUID = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
- $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- switch ($NextObjectGUID) {
- case GETID3_ASF_File_Properties_Object:
- // File Properties Object: (mandatory, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for file properties object - GETID3_ASF_File_Properties_Object
- // Object Size QWORD 64 // size of file properties object, including 104 bytes of File Properties Object header
- // File ID GUID 128 // unique ID - identical to File ID in Data Object
- // File Size QWORD 64 // entire file in bytes. Invalid if Broadcast Flag == 1
- // Creation Date QWORD 64 // date & time of file creation. Maybe invalid if Broadcast Flag == 1
- // Data Packets Count QWORD 64 // number of data packets in Data Object. Invalid if Broadcast Flag == 1
- // Play Duration QWORD 64 // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
- // Send Duration QWORD 64 // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
- // 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
- // Flags DWORD 32 //
- // * Broadcast Flag bits 1 (0x01) // file is currently being written, some header values are invalid
- // * Seekable Flag bits 1 (0x02) // is file seekable
- // * Reserved bits 30 (0xFFFFFFFC) // reserved - set to zero
- // Minimum Data Packet Size DWORD 32 // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
- // Maximum Data Packet Size DWORD 32 // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
- // Maximum Bitrate DWORD 32 // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
- // shortcut
- $thisfile_asf['file_properties_object'] = array();
- $thisfile_asf_filepropertiesobject = &$thisfile_asf['file_properties_object'];
- $thisfile_asf_filepropertiesobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_filepropertiesobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_filepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_filepropertiesobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_filepropertiesobject['fileid'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_filepropertiesobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
- $thisfile_asf_filepropertiesobject['filesize'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_filepropertiesobject['creation_date'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
- $offset += 8;
- $thisfile_asf_filepropertiesobject['data_packets'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_filepropertiesobject['play_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_filepropertiesobject['send_duration'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_filepropertiesobject['preroll'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_filepropertiesobject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
- $thisfile_asf_filepropertiesobject['flags']['seekable'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
- $thisfile_asf_filepropertiesobject['min_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_filepropertiesobject['max_packet_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_filepropertiesobject['max_bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
- // broadcast flag is set, some values invalid
- unset($thisfile_asf_filepropertiesobject['filesize']);
- unset($thisfile_asf_filepropertiesobject['data_packets']);
- unset($thisfile_asf_filepropertiesobject['play_duration']);
- unset($thisfile_asf_filepropertiesobject['send_duration']);
- unset($thisfile_asf_filepropertiesobject['min_packet_size']);
- unset($thisfile_asf_filepropertiesobject['max_packet_size']);
- } else {
- // broadcast flag NOT set, perform calculations
- $info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
- //$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
- $info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
- }
- break;
- case GETID3_ASF_Stream_Properties_Object:
- // Stream Properties Object: (mandatory, one per media stream)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
- // Object Size QWORD 64 // size of stream properties object, including 78 bytes of Stream Properties Object header
- // Stream Type GUID 128 // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
- // Error Correction Type GUID 128 // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
- // Time Offset QWORD 64 // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
- // Type-Specific Data Length DWORD 32 // number of bytes for Type-Specific Data field
- // Error Correction Data Length DWORD 32 // number of bytes for Error Correction Data field
- // Flags WORD 16 //
- // * Stream Number bits 7 (0x007F) // number of this stream. 1 <= valid <= 127
- // * Reserved bits 8 (0x7F80) // reserved - set to zero
- // * Encrypted Content Flag bits 1 (0x8000) // stream contents encrypted if set
- // Reserved DWORD 32 // reserved - set to zero
- // Type-Specific Data BYTESTREAM variable // type-specific format data, depending on value of Stream Type
- // Error Correction Data BYTESTREAM variable // error-correction-specific format data, depending on value of Error Correct Type
- // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
- // stream number isn't known until halfway through decoding the structure, hence it
- // it is decoded to a temporary variable and then stuck in the appropriate index later
- $StreamPropertiesObjectData['offset'] = $NextObjectOffset + $offset;
- $StreamPropertiesObjectData['objectid'] = $NextObjectGUID;
- $StreamPropertiesObjectData['objectid_guid'] = $NextObjectGUIDtext;
- $StreamPropertiesObjectData['objectsize'] = $NextObjectSize;
- $StreamPropertiesObjectData['stream_type'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $StreamPropertiesObjectData['stream_type_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
- $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
- $StreamPropertiesObjectData['time_offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $StreamPropertiesObjectData['type_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $StreamPropertiesObjectData['error_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $StreamPropertiesObjectData['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $StreamPropertiesObjectStreamNumber = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
- $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
- $offset += 4; // reserved - DWORD
- $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
- $offset += $StreamPropertiesObjectData['type_data_length'];
- $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
- $offset += $StreamPropertiesObjectData['error_data_length'];
- switch ($StreamPropertiesObjectData['stream_type']) {
- case GETID3_ASF_Audio_Media:
- $thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
- $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
- $audiodata = getid3_riff::RIFFparseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
- unset($audiodata['raw']);
- $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
- break;
- case GETID3_ASF_Video_Media:
- $thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
- $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
- break;
- case GETID3_ASF_Command_Media:
- default:
- // do nothing
- break;
- }
- $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
- unset($StreamPropertiesObjectData); // clear for next stream, if any
- break;
- case GETID3_ASF_Header_Extension_Object:
- // Header Extension Object: (mandatory, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
- // Object Size QWORD 64 // size of Header Extension object, including 46 bytes of Header Extension Object header
- // Reserved Field 1 GUID 128 // hardcoded: GETID3_ASF_Reserved_1
- // Reserved Field 2 WORD 16 // hardcoded: 0x00000006
- // Header Extension Data Size DWORD 32 // in bytes. valid: 0, or > 24. equals object size minus 46
- // Header Extension Data BYTESTREAM variable // array of zero or more extended header objects
- // shortcut
- $thisfile_asf['header_extension_object'] = array();
- $thisfile_asf_headerextensionobject = &$thisfile_asf['header_extension_object'];
- $thisfile_asf_headerextensionobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_headerextensionobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_headerextensionobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_headerextensionobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_headerextensionobject['reserved_1'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_headerextensionobject['reserved_1_guid'] = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
- if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
- $info['warning'][] = 'header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')';
- //return false;
- break;
- }
- $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
- $info['warning'][] = 'header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"';
- //return false;
- break;
- }
- $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_headerextensionobject['extension_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
- $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
- break;
- case GETID3_ASF_Codec_List_Object:
- // Codec List Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Codec List object - GETID3_ASF_Codec_List_Object
- // Object Size QWORD 64 // size of Codec List object, including 44 bytes of Codec List Object header
- // Reserved GUID 128 // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
- // Codec Entries Count DWORD 32 // number of entries in Codec Entries array
- // Codec Entries array of: variable //
- // * Type WORD 16 // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
- // * Codec Name Length WORD 16 // number of Unicode characters stored in the Codec Name field
- // * Codec Name WCHAR variable // array of Unicode characters - name of codec used to create the content
- // * Codec Description Length WORD 16 // number of Unicode characters stored in the Codec Description field
- // * Codec Description WCHAR variable // array of Unicode characters - description of format used to create the content
- // * Codec Information Length WORD 16 // number of Unicode characters stored in the Codec Information field
- // * Codec Information BYTESTREAM variable // opaque array of information bytes about the codec used to create the content
- // shortcut
- $thisfile_asf['codec_list_object'] = array();
- $thisfile_asf_codeclistobject = &$thisfile_asf['codec_list_object'];
- $thisfile_asf_codeclistobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_codeclistobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_codeclistobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_codeclistobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_codeclistobject['reserved'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_codeclistobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
- if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
- $info['warning'][] = 'codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}';
- //return false;
- break;
- }
- $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
- // shortcut
- $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
- $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
- $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_codeclistobject_codecentries_current['type'] = $this->ASFCodecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
- $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
- $offset += 2;
- $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
- $offset += $CodecNameLength;
- $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
- $offset += 2;
- $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
- $offset += $CodecDescriptionLength;
- $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
- $offset += $CodecInformationLength;
- if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
- if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
- $info['warning'][] = '[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-seperated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"';
- } else {
- list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
- $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
- if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
- $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
- }
- //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
- if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
- //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
- $thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
- }
- $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
- switch ($AudioCodecFrequency) {
- case 8:
- case 8000:
- $thisfile_audio['sample_rate'] = 8000;
- break;
- case 11:
- case 11025:
- $thisfile_audio['sample_rate'] = 11025;
- break;
- case 12:
- case 12000:
- $thisfile_audio['sample_rate'] = 12000;
- break;
- case 16:
- case 16000:
- $thisfile_audio['sample_rate'] = 16000;
- break;
- case 22:
- case 22050:
- $thisfile_audio['sample_rate'] = 22050;
- break;
- case 24:
- case 24000:
- $thisfile_audio['sample_rate'] = 24000;
- break;
- case 32:
- case 32000:
- $thisfile_audio['sample_rate'] = 32000;
- break;
- case 44:
- case 441000:
- $thisfile_audio['sample_rate'] = 44100;
- break;
- case 48:
- case 48000:
- $thisfile_audio['sample_rate'] = 48000;
- break;
- default:
- $info['warning'][] = 'unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')';
- break;
- }
- if (!isset($thisfile_audio['channels'])) {
- if (strstr($AudioCodecChannels, 'stereo')) {
- $thisfile_audio['channels'] = 2;
- } elseif (strstr($AudioCodecChannels, 'mono')) {
- $thisfile_audio['channels'] = 1;
- }
- }
- }
- }
- }
- break;
- case GETID3_ASF_Script_Command_Object:
- // Script Command Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Script Command object - GETID3_ASF_Script_Command_Object
- // Object Size QWORD 64 // size of Script Command object, including 44 bytes of Script Command Object header
- // Reserved GUID 128 // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
- // Commands Count WORD 16 // number of Commands structures in the Script Commands Objects
- // Command Types Count WORD 16 // number of Command Types structures in the Script Commands Objects
- // Command Types array of: variable //
- // * Command Type Name Length WORD 16 // number of Unicode characters for Command Type Name
- // * Command Type Name WCHAR variable // array of Unicode characters - name of a type of command
- // Commands array of: variable //
- // * Presentation Time DWORD 32 // presentation time of that command, in milliseconds
- // * Type Index WORD 16 // type of this command, as a zero-based index into the array of Command Types of this object
- // * Command Name Length WORD 16 // number of Unicode characters for Command Name
- // * Command Name WCHAR variable // array of Unicode characters - name of this command
- // shortcut
- $thisfile_asf['script_command_object'] = array();
- $thisfile_asf_scriptcommandobject = &$thisfile_asf['script_command_object'];
- $thisfile_asf_scriptcommandobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_scriptcommandobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_scriptcommandobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_scriptcommandobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_scriptcommandobject['reserved'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_scriptcommandobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
- if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
- $info['warning'][] = 'script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}';
- //return false;
- break;
- }
- $thisfile_asf_scriptcommandobject['commands_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_scriptcommandobject['command_types_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
- $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
- $offset += 2;
- $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
- $offset += $CommandTypeNameLength;
- }
- for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
- $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
- $offset += 2;
- $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
- $offset += $CommandTypeNameLength;
- }
- break;
- case GETID3_ASF_Marker_Object:
- // Marker Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Marker object - GETID3_ASF_Marker_Object
- // Object Size QWORD 64 // size of Marker object, including 48 bytes of Marker Object header
- // Reserved GUID 128 // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
- // Markers Count DWORD 32 // number of Marker structures in Marker Object
- // Reserved WORD 16 // hardcoded: 0x0000
- // Name Length WORD 16 // number of bytes in the Name field
- // Name WCHAR variable // name of the Marker Object
- // Markers array of: variable //
- // * Offset QWORD 64 // byte offset into Data Object
- // * Presentation Time QWORD 64 // in 100-nanosecond units
- // * Entry Length WORD 16 // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
- // * Send Time DWORD 32 // in milliseconds
- // * Flags DWORD 32 // hardcoded: 0x00000000
- // * Marker Description Length DWORD 32 // number of bytes in Marker Description field
- // * Marker Description WCHAR variable // array of Unicode characters - description of marker entry
- // * Padding BYTESTREAM variable // optional padding bytes
- // shortcut
- $thisfile_asf['marker_object'] = array();
- $thisfile_asf_markerobject = &$thisfile_asf['marker_object'];
- $thisfile_asf_markerobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_markerobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_markerobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_markerobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_markerobject['reserved'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_markerobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
- if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
- $info['warning'][] = 'marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}';
- break;
- }
- $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- if ($thisfile_asf_markerobject['reserved_2'] != 0) {
- $info['warning'][] = 'marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"';
- break;
- }
- $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
- $offset += $thisfile_asf_markerobject['name_length'];
- for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
- $offset += 8;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
- $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
- $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 - 4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
- if ($PaddingLength > 0) {
- $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding'] = substr($ASFHeaderData, $offset, $PaddingLength);
- $offset += $PaddingLength;
- }
- }
- break;
- case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
- // Bitrate Mutual Exclusion Object: (optional)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
- // Object Size QWORD 64 // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
- // Exlusion Type GUID 128 // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
- // Stream Numbers Count WORD 16 // number of video streams
- // Stream Numbers WORD variable // array of mutually exclusive video stream numbers. 1 <= valid <= 127
- // shortcut
- $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
- $thisfile_asf_bitratemutualexclusionobject = &$thisfile_asf['bitrate_mutual_exclusion_object'];
- $thisfile_asf_bitratemutualexclusionobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_bitratemutualexclusionobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_bitratemutualexclusionobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_bitratemutualexclusionobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_bitratemutualexclusionobject['reserved'] = substr($ASFHeaderData, $offset, 16);
- $thisfile_asf_bitratemutualexclusionobject['reserved_guid'] = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
- $offset += 16;
- if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
- $info['warning'][] = 'bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}';
- //return false;
- break;
- }
- $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
- $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- }
- break;
- case GETID3_ASF_Error_Correction_Object:
- // Error Correction Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
- // Object Size QWORD 64 // size of Error Correction object, including 44 bytes of Error Correction Object header
- // Error Correction Type GUID 128 // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
- // Error Correction Data Length DWORD 32 // number of bytes in Error Correction Data field
- // Error Correction Data BYTESTREAM variable // structure depends on value of Error Correction Type field
- // shortcut
- $thisfile_asf['error_correction_object'] = array();
- $thisfile_asf_errorcorrectionobject = &$thisfile_asf['error_correction_object'];
- $thisfile_asf_errorcorrectionobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_errorcorrectionobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_errorcorrectionobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_errorcorrectionobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
- $offset += 16;
- $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
- $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
- $offset += 4;
- switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
- case GETID3_ASF_No_Error_Correction:
- // should be no data, but just in case there is, skip to the end of the field
- $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
- break;
- case GETID3_ASF_Audio_Spread:
- // Field Name Field Type Size (bits)
- // Span BYTE 8 // number of packets over which audio will be spread.
- // Virtual Packet Length WORD 16 // size of largest audio payload found in audio stream
- // Virtual Chunk Length WORD 16 // size of largest audio payload found in audio stream
- // Silence Data Length WORD 16 // number of bytes in Silence Data field
- // Silence Data BYTESTREAM variable // hardcoded: 0x00 * (Silence Data Length) bytes
- $thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
- $offset += 1;
- $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_errorcorrectionobject['virtual_chunk_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_errorcorrectionobject['silence_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_errorcorrectionobject['silence_data'] = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
- $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
- break;
- default:
- $info['warning'][] = 'error_correction_object.error_correction_type GUID {'.$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).'}';
- //return false;
- break;
- }
- break;
- case GETID3_ASF_Content_Description_Object:
- // Content Description Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Content Description object - GETID3_ASF_Content_Description_Object
- // Object Size QWORD 64 // size of Content Description object, including 34 bytes of Content Description Object header
- // Title Length WORD 16 // number of bytes in Title field
- // Author Length WORD 16 // number of bytes in Author field
- // Copyright Length WORD 16 // number of bytes in Copyright field
- // Description Length WORD 16 // number of bytes in Description field
- // Rating Length WORD 16 // number of bytes in Rating field
- // Title WCHAR 16 // array of Unicode characters - Title
- // Author WCHAR 16 // array of Unicode characters - Author
- // Copyright WCHAR 16 // array of Unicode characters - Copyright
- // Description WCHAR 16 // array of Unicode characters - Description
- // Rating WCHAR 16 // array of Unicode characters - Rating
- // shortcut
- $thisfile_asf['content_description_object'] = array();
- $thisfile_asf_contentdescriptionobject = &$thisfile_asf['content_description_object'];
- $thisfile_asf_contentdescriptionobject['offset'] = $NextObjectOffset + $offset;
- $thisfile_asf_contentdescriptionobject['objectid'] = $NextObjectGUID;
- $thisfile_asf_contentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
- $thisfile_asf_contentdescriptionobject['objectsize'] = $NextObjectSize;
- $thisfile_asf_contentdescriptionobject['title_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_contentdescriptionobject['author_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_contentdescriptionobject['copyright_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_contentdescriptionobject['description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_contentdescriptionobject['rating_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
- $offset += 2;
- $thisfile_asf_contentdescriptionobject['title'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
- $offset += $thisfile_asf_contentdescriptionobject['title_length'];
- $thisfile_asf_contentdescriptionobject['author'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
- $offset += $thisfile_asf_contentdescriptionobject['author_length'];
- $thisfile_asf_contentdescriptionobject['copyright'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
- $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
- $thisfile_asf_contentdescriptionobject['description'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
- $offset += $thisfile_asf_contentdescriptionobject['description_length'];
- $thisfile_asf_contentdescriptionobject['rating'] = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
- $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
- $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
- foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
- if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
- $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
- }
- }
- break;
- case GETID3_ASF_Extended_Content_Description_Object:
- // Extended Content Description Object: (optional, one only)
- // Field Name Field Type Size (bits)
- // Object ID GUID 128 // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
- // Object Size QWORD 64 // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
- // Content Descriptors Count WORD 16 // number of entries in Content Descriptors list
- // Content Descriptors array of: variable //
- // * Descriptor Name Length WORD 16 // size in bytes of Descriptor Name field
- // * Descriptor Name WCHAR variable // array of Unicode characters - Descriptor Name
- // * Descriptor Value Data Type WORD 16 // Lookup array:
- // 0x0000 = Unicode String (variable length)
- // 0x0001 = BYTE array (variable length)
- // 0x0002 = BOOL (DWORD, 32 bits)
- // 0x0003 = DWORD (DWORD, 32 bits)
- // 0x0004 = QWORD (QWORD, 64 bits)
- // 0x0005 = WORD (WORD, 16 bits)
- // * Descriptor Value Length WORD 16 // number of bytes stored in Descriptor Value field
- // * Descriptor Value…
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