diff options
Diffstat (limited to 'srcs/wordpress/wp-includes/ID3/module.audio-video.asf.php')
| -rw-r--r-- | srcs/wordpress/wp-includes/ID3/module.audio-video.asf.php | 2084 |
1 files changed, 2084 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/module.audio-video.asf.php b/srcs/wordpress/wp-includes/ID3/module.audio-video.asf.php new file mode 100644 index 0000000..0a2132d --- /dev/null +++ b/srcs/wordpress/wp-includes/ID3/module.audio-video.asf.php @@ -0,0 +1,2084 @@ +<?php +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// available at https://github.com/JamesHeinrich/getID3 // +// or https://www.getid3.org // +// or http://getid3.sourceforge.net // +// 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 +{ + /** + * @param getID3 $getid3 + */ + public 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)); + } + } + } + + /** + * @return bool + */ + public 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'; + + $this->fseek($info['avdataoffset']); + $HeaderObjectData = $this->fread(30); + + $thisfile_asf_headerobject['objectid'] = substr($HeaderObjectData, 0, 16); + $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']); + if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) { + unset($info['fileformat'], $info['asf']); + return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}'); + } + $thisfile_asf_headerobject['objectsize'] = getid3_lib::LittleEndian2Int(substr($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 = $this->ftell(); + $ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30); + $offset = 0; + $thisfile_asf_streambitratepropertiesobject = array(); + $thisfile_asf_codeclistobject = array(); + + for ($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'); + + $audiodata = getid3_riff::parseWAVEFORMATex(substr($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) { + $this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')'); + //return false; + break; + } + $thisfile_asf_headerextensionobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)); + $offset += 2; + if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) { + $this->warning('header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($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']); + $unhandled_sections = 0; + $thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections); + if ($unhandled_sections === 0) { + unset($thisfile_asf_headerextensionobject['extension_data']); + } + $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')) { + $this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}'); + //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; + $thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($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) { + $this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated 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: + $this->warning('unknown frequency: "'.$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')) { + $this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}'); + //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')) { + $this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}'); + 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) { + $this->warning('marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($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)) { + $this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}'); + //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)); 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