| <Website> | getID3 |  |
|
| Size: | 80979 |
| Storage flags: | strip |
<?php
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
class getid3_asf extends getid3_handler {
public function __construct(getID3 $getid3) {
parent::__construct($getid3);
$GUIDarray = $this->KnownGUIDs();
foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
if (!defined($GUIDname)) {
define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
}
}
}
public function Analyze() {
$info = &$this->getid3->info;
$thisfile_audio = &$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'];
$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);
$offset = 0;
for ($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:
$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']) {
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 {
$info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
$info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
}
break;
case GETID3_ASF_Stream_Properties_Object:
$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;
$StreamPropertiesObjectData['type_specific_data'] = substr($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:
break;
}
$thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
unset($StreamPropertiesObjectData);
break;
case GETID3_ASF_Header_Extension_Object:
$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).')';
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"';
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:
$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}';
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++) {
$thisfile_asf_codeclistobject['codec_entries'][$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;
$offset += 2;
$thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
$offset += $CodecNameLength;
$CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2;
$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) {
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', '', $AudioCodecBitrate)) * 1000);
}
if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['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:
$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}';
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;
$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;
$offset += 2;
$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
$offset += $CommandTypeNameLength;
}
break;
case GETID3_ASF_Marker_Object:
$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:
$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).'}';
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:
$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:
$offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
break;
case GETID3_ASF_Audio_Spread:
$thisfile_asf_errorcorrectionobject['span'] = getid3_lib::LittleEndian2Int(substr($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).'}';
break;
}
break;
case GETID3_ASF_Content_Description_Object:
$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:
$thisfile_asf['extended_content_description_object'] = array();
$thisfile_asf_extendedcontentdescriptionobject = &$thisfile_asf['extended_content_description_object'];
$thisfile_asf_extendedcontentdescriptionobject['offset'] = $NextObjectOffset + $offset;
$thisfile_asf_extendedcontentdescriptionobject['objectid'] = $NextObjectGUID;
$thisfile_asf_extendedcontentdescriptionobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_extendedcontentdescriptionobject['objectsize'] = $NextObjectSize;
$thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset'] = $offset + 30;
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
case 0x0000:
break;
case 0x0001:
break;
case 0x0002:
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
break;
case 0x0003:
case 0x0004:
case 0x0005:
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
break;
default:
$info['warning'][] = 'extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')';
break;
}
switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
case 'wm/albumartist':
case 'artist':
$thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'wm/albumtitle':
case 'album':
$thisfile_asf_comments['album'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'wm/genre':
case 'genre':
$thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'wm/partofset':
$thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'wm/tracknumber':
case 'tracknumber':
$thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
foreach ($thisfile_asf_comments['track'] as $key => $value) {
if (preg_match('/^[0-9\x00]+$/', $value)) {
$thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
}
}
break;
case 'wm/track':
if (empty($thisfile_asf_comments['track'])) {
$thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
}
break;
case 'wm/year':
case 'year':
case 'date':
$thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'wm/lyrics':
case 'lyrics':
$thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
break;
case 'isvbr':
if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
$thisfile_audio['bitrate_mode'] = 'vbr';
$thisfile_video['bitrate_mode'] = 'vbr';
}
break;
case 'id3':
$this->getid3->include_module('tag.id3v2');
$getid3_id3v2 = new getid3_id3v2($this->getid3);
$getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
unset($getid3_id3v2);
if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
}
break;
case 'wm/encodingtime':
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
$thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
break;
case 'wm/picture':
$WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
foreach ($WMpicture as $key => $value) {
$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
}
unset($WMpicture);
break;
default:
switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
case 0:
if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
$thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
}
break;
case 1:
break;
}
break;
}
}
break;
case GETID3_ASF_Stream_Bitrate_Properties_Object:
$thisfile_asf['stream_bitrate_properties_object'] = array();
$thisfile_asf_streambitratepropertiesobject = &$thisfile_asf['stream_bitrate_properties_object'];
$thisfile_asf_streambitratepropertiesobject['offset'] = $NextObjectOffset + $offset;
$thisfile_asf_streambitratepropertiesobject['objectid'] = $NextObjectGUID;
$thisfile_asf_streambitratepropertiesobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_streambitratepropertiesobject['objectsize'] = $NextObjectSize;
$thisfile_asf_streambitratepropertiesobject['bitrate_records_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
$offset += 2;
$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
$offset += 4;
}
break;
case GETID3_ASF_Padding_Object:
$thisfile_asf['padding_object'] = array();
$thisfile_asf_paddingobject = &$thisfile_asf['padding_object'];
$thisfile_asf_paddingobject['offset'] = $NextObjectOffset + $offset;
$thisfile_asf_paddingobject['objectid'] = $NextObjectGUID;
$thisfile_asf_paddingobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_paddingobject['objectsize'] = $NextObjectSize;
$thisfile_asf_paddingobject['padding_length'] = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
$thisfile_asf_paddingobject['padding'] = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
$offset += ($NextObjectSize - 16 - 8);
break;
case GETID3_ASF_Extended_Content_Encryption_Object:
case GETID3_ASF_Content_Encryption_Object:
$offset += ($NextObjectSize - 16 - 8);
break;
default:
if ($this->GUIDname($NextObjectGUIDtext)) {
$info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
} else {
$info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
}
$offset += ($NextObjectSize - 16 - 8);
break;
}
}
if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
$ASFbitrateAudio = 0;
$ASFbitrateVideo = 0;
for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
case 1:
$ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
break;
case 2:
$ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
break;
default:
break;
}
}
}
if ($ASFbitrateAudio > 0) {
$thisfile_audio['bitrate'] = $ASFbitrateAudio;
}
if ($ASFbitrateVideo > 0) {
$thisfile_video['bitrate'] = $ASFbitrateVideo;
}
}
if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
$thisfile_audio['bitrate'] = 0;
$thisfile_video['bitrate'] = 0;
foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
switch ($streamdata['stream_type']) {
case GETID3_ASF_Audio_Media:
$thisfile_asf['audio_media'][$streamnumber] = array();
$thisfile_asf_audiomedia_currentstream = &$thisfile_asf['audio_media'][$streamnumber];
$audiomediaoffset = 0;
$thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
$audiomediaoffset += 16;
$thisfile_audio['lossless'] = false;
switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
case 0x0001:
case 0x0163:
$thisfile_audio['lossless'] = true;
break;
}
if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
$thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
$thisfile_audio['bitrate'] += $dataarray['bitrate'];
break;
}
}
} else {
if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
} elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
}
}
$thisfile_audio['streams'][$streamnumber] = $thisfile_asf_audiomedia_currentstream;
$thisfile_audio['streams'][$streamnumber]['wformattag'] = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
$thisfile_audio['streams'][$streamnumber]['lossless'] = $thisfile_audio['lossless'];
$thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
$thisfile_audio['streams'][$streamnumber]['dataformat'] = 'wma';
unset($thisfile_audio['streams'][$streamnumber]['raw']);
$thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
$audiomediaoffset += 2;
$thisfile_asf_audiomedia_currentstream['codec_data'] = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
$audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
break;
case GETID3_ASF_Video_Media:
$thisfile_asf['video_media'][$streamnumber] = array();
$thisfile_asf_videomedia_currentstream = &$thisfile_asf['video_media'][$streamnumber];
$videomediaoffset = 0;
$thisfile_asf_videomedia_currentstream['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['flags'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
$videomediaoffset += 1;
$thisfile_asf_videomedia_currentstream['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
$videomediaoffset += 2;
$thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['image_width'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['image_height'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['reserved'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
$videomediaoffset += 2;
$thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
$videomediaoffset += 2;
$thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'] = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['image_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['vertical_pels'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['colors_used'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
$videomediaoffset += 4;
$thisfile_asf_videomedia_currentstream['format_data']['codec_data'] = substr($streamdata['type_specific_data'], $videomediaoffset);
if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
$thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
$thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
$thisfile_video['bitrate'] += $dataarray['bitrate'];
break;
}
}
}
$thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
$thisfile_video['streams'][$streamnumber]['fourcc'] = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
$thisfile_video['streams'][$streamnumber]['codec'] = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
$thisfile_video['streams'][$streamnumber]['resolution_x'] = $thisfile_asf_videomedia_currentstream['image_width'];
$thisfile_video['streams'][$streamnumber]['resolution_y'] = $thisfile_asf_videomedia_currentstream['image_height'];
$thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
break;
default:
break;
}
}
}
while ($this->ftell() < $info['avdataend']) {
$NextObjectDataHeader = $this->fread(24);
$offset = 0;
$NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
$offset += 16;
$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
$NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
$offset += 8;
switch ($NextObjectGUID) {
case GETID3_ASF_Data_Object:
$thisfile_asf['data_object'] = array();
$thisfile_asf_dataobject = &$thisfile_asf['data_object'];
$DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
$offset = 24;
$thisfile_asf_dataobject['objectid'] = $NextObjectGUID;
$thisfile_asf_dataobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_dataobject['objectsize'] = $NextObjectSize;
$thisfile_asf_dataobject['fileid'] = substr($DataObjectData, $offset, 16);
$offset += 16;
$thisfile_asf_dataobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
$thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
$offset += 8;
$thisfile_asf_dataobject['reserved'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
$offset += 2;
if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
$info['warning'][] = 'data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"';
break;
}
$info['avdataoffset'] = $this->ftell();
$this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR);
$info['avdataend'] = $this->ftell();
break;
case GETID3_ASF_Simple_Index_Object:
$thisfile_asf['simple_index_object'] = array();
$thisfile_asf_simpleindexobject = &$thisfile_asf['simple_index_object'];
$SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
$offset = 24;
$thisfile_asf_simpleindexobject['objectid'] = $NextObjectGUID;
$thisfile_asf_simpleindexobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_simpleindexobject['objectsize'] = $NextObjectSize;
$thisfile_asf_simpleindexobject['fileid'] = substr($SimpleIndexObjectData, $offset, 16);
$offset += 16;
$thisfile_asf_simpleindexobject['fileid_guid'] = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
$thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
$offset += 8;
$thisfile_asf_simpleindexobject['maximum_packet_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
$offset += 4;
$thisfile_asf_simpleindexobject['index_entries_count'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
$offset += 4;
$IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
$offset += 4;
$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
$offset += 2;
}
break;
case GETID3_ASF_Index_Object:
$thisfile_asf['asf_index_object'] = array();
$thisfile_asf_asfindexobject = &$thisfile_asf['asf_index_object'];
$ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
$offset = 24;
$thisfile_asf_asfindexobject['objectid'] = $NextObjectGUID;
$thisfile_asf_asfindexobject['objectid_guid'] = $NextObjectGUIDtext;
$thisfile_asf_asfindexobject['objectsize'] = $NextObjectSize;
$thisfile_asf_asfindexobject['entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
$offset += 4;
$thisfile_asf_asfindexobject['index_specifiers_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
$offset += 2;
$thisfile_asf_asfindexobject['index_blocks_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
$offset += 4;
$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
$IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
$offset += 2;
$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number'] = $IndexSpecifierStreamNumber;
$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
$offset += 2;
$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
}
$ASFIndexObjectData .= $this->fread(4);
$thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
$offset += 4;
$ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
$thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
$offset += 8;
}
$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
$thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
$offset += 4;
}
}
break;
default:
if ($this->GUIDname($NextObjectGUIDtext)) {
$info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8);
} else {
$info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8);
}
$this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
break;
}
}
if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
switch ($streamdata['information']) {
case 'WMV1':
case 'WMV2':
case 'WMV3':
case 'MSS1':
case 'MSS2':
case 'WMVA':
case 'WVC1':
case 'WMVP':
case 'WVP2':
$thisfile_video['dataformat'] = 'wmv';
$info['mime_type'] = 'video/x-ms-wmv';
break;
case 'MP42':
case 'MP43':
case 'MP4S':
case 'mp4s':
$thisfile_video['dataformat'] = 'asf';
$info['mime_type'] = 'video/x-ms-asf';
break;
default:
switch ($streamdata['type_raw']) {
case 1:
if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
$thisfile_video['dataformat'] = 'wmv';
if ($info['mime_type'] == 'video/x-ms-asf') {
$info['mime_type'] = 'video/x-ms-wmv';
}
}
break;
case 2:
if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
$thisfile_audio['dataformat'] = 'wma';
if ($info['mime_type'] == 'video/x-ms-asf') {
$info['mime_type'] = 'audio/x-ms-wma';
}
}
break;
}
break;
}
}
}
switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
case 'MPEG Layer-3':
$thisfile_audio['dataformat'] = 'mp3';
break;
default:
break;
}
if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
switch ($streamdata['type_raw']) {
case 1:
$thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
break;
case 2:
$thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
$thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
$thisfile_audio['codec'] = $thisfile_audio['encoder'];
break;
default:
$info['warning'][] = 'Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw'];
break;
}
}
}
if (isset($info['audio'])) {
$thisfile_audio['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
$thisfile_audio['dataformat'] = (!empty($thisfile_audio['dataformat']) ? $thisfile_audio['dataformat'] : 'asf');
}
if (!empty($thisfile_video['dataformat'])) {
$thisfile_video['lossless'] = (isset($thisfile_audio['lossless']) ? $thisfile_audio['lossless'] : false);
$thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
$thisfile_video['dataformat'] = (!empty($thisfile_video['dataformat']) ? $thisfile_video['dataformat'] : 'asf');
}
if (!empty($thisfile_video['streams'])) {
$thisfile_video['resolution_x'] = 0;
$thisfile_video['resolution_y'] = 0;
foreach ($thisfile_video['streams'] as $key => $valuearray) {
if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
$thisfile_video['resolution_x'] = $valuearray['resolution_x'];
$thisfile_video['resolution_y'] = $valuearray['resolution_y'];
}
}
}
$info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
$info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
}
return true;
}
public static function codecListObjectTypeLookup($CodecListType) {
static $lookup = array(
0x0001 => 'Video Codec',
0x0002 => 'Audio Codec',
0xFFFF => 'Unknown Codec'
);
return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
}
public static function KnownGUIDs() {
static $GUIDarray = array(
'GETID3_ASF_Extended_Stream_Properties_Object' => '14E6A5CB-C672-4332-8399-A96952065B5A',
'GETID3_ASF_Padding_Object' => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
'GETID3_ASF_Script_Command_Object' => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
'GETID3_ASF_No_Error_Correction' => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
'GETID3_ASF_Content_Branding_Object' => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
'GETID3_ASF_Content_Encryption_Object' => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
'GETID3_ASF_Digital_Signature_Object' => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
'GETID3_ASF_Extended_Content_Encryption_Object' => '298AE614-2622-4C17-B935-DAE07EE9289C',
'GETID3_ASF_Simple_Index_Object' => '33000890-E5B1-11CF-89F4-00A0C90349CB',
'GETID3_ASF_Degradable_JPEG_Media' => '35907DE0-E415-11CF-A917-00805F5C442B',
'GETID3_ASF_Payload_Extension_System_Timecode' => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
'GETID3_ASF_Binary_Media' => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
'GETID3_ASF_Timecode_Index_Object' => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
'GETID3_ASF_Metadata_Library_Object' => '44231C94-9498-49D1-A141-1D134E457054',
'GETID3_ASF_Reserved_3' => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
'GETID3_ASF_Reserved_4' => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
'GETID3_ASF_Command_Media' => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
'GETID3_ASF_Header_Extension_Object' => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
'GETID3_ASF_Media_Object_Index_Parameters_Obj' => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
'GETID3_ASF_Header_Object' => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
'GETID3_ASF_Content_Description_Object' => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
'GETID3_ASF_Error_Correction_Object' => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
'GETID3_ASF_Data_Object' => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
'GETID3_ASF_Web_Stream_Media_Subtype' => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
'GETID3_ASF_Stream_Bitrate_Properties_Object' => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
'GETID3_ASF_Language_List_Object' => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
'GETID3_ASF_Codec_List_Object' => '86D15240-311D-11D0-A3A4-00A0C90348F6',
'GETID3_ASF_Reserved_2' => '86D15241-311D-11D0-A3A4-00A0C90348F6',
'GETID3_ASF_File_Properties_Object' => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
'GETID3_ASF_File_Transfer_Media' => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
'GETID3_ASF_Old_RTP_Extension_Data' => '96800C63-4C94-11D1-837B-0080C7A37F95',
'GETID3_ASF_Advanced_Mutual_Exclusion_Object' => 'A08649CF-4775-4670-8A16-6E35357566CD',
'GETID3_ASF_Bandwidth_Sharing_Object' => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
'GETID3_ASF_Reserved_1' => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
'GETID3_ASF_Bandwidth_Sharing_Exclusive' => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
'GETID3_ASF_Bandwidth_Sharing_Partial' => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
'GETID3_ASF_JFIF_Media' => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
'GETID3_ASF_Stream_Properties_Object' => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
'GETID3_ASF_Video_Media' => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
'GETID3_ASF_Audio_Spread' => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
'GETID3_ASF_Metadata_Object' => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
'GETID3_ASF_Payload_Ext_Syst_Sample_Duration' => 'C6BD9450-867F-4907-83A3-C77921B733AD',
'GETID3_ASF_Group_Mutual_Exclusion_Object' => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
'GETID3_ASF_Stream_Prioritization_Object' => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
'GETID3_ASF_Payload_Ext_System_Content_Type' => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
'GETID3_ASF_Old_File_Properties_Object' => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_ASF_Header_Object' => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_ASF_Data_Object' => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Index_Object' => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Stream_Properties_Object' => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Content_Description_Object' => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Script_Command_Object' => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Marker_Object' => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Component_Download_Object' => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Stream_Group_Object' => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Scalable_Object' => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Prioritization_Object' => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Bitrate_Mutual_Exclusion_Object' => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Inter_Media_Dependency_Object' => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Rating_Object' => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Index_Parameters_Object' => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Color_Table_Object' => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Language_List_Object' => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Audio_Media' => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Video_Media' => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Image_Media' => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Timecode_Media' => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Text_Media' => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_MIDI_Media' => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Command_Media' => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_No_Error_Concealment' => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Scrambled_Audio' => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_No_Color_Table' => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_SMPTE_Time' => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_ASCII_Text' => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Unicode_Text' => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_HTML_Text' => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_URL_Command' => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Filename_Command' => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_ACM_Codec' => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_VCM_Codec' => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_QuickTime_Codec' => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_DirectShow_Transform_Filter' => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_DirectShow_Rendering_Filter' => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_No_Enhancement' => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Unknown_Enhancement_Type' => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Temporal_Enhancement' => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Spatial_Enhancement' => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Quality_Enhancement' => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Number_of_Channels_Enhancement' => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Frequency_Response_Enhancement' => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Media_Object' => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Mutex_Language' => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Mutex_Bitrate' => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Mutex_Unknown' => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_ASF_Placeholder_Object' => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Old_Data_Unit_Extension_Object' => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
'GETID3_ASF_Web_Stream_Format' => 'DA1E6B13-8359-4050-B398-388E965BF00C',
'GETID3_ASF_Payload_Ext_System_File_Name' => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
'GETID3_ASF_Marker_Object' => 'F487CD01-A951-11CF-8EE6-00C00C205365',
'GETID3_ASF_Timecode_Index_Parameters_Object' => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
'GETID3_ASF_Audio_Media' => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
'GETID3_ASF_Media_Object_Index_Object' => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
'GETID3_ASF_Index_Placeholder_Object' => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2',
'GETID3_ASF_Compatibility_Object' => '26F18B5D-4584-47EC-9F5F-0E651F0452C9',
);
return $GUIDarray;
}
public static function GUIDname($GUIDstring) {
static $GUIDarray = array();
if (empty($GUIDarray)) {
$GUIDarray = self::KnownGUIDs();
}
return array_search($GUIDstring, $GUIDarray);
}
public static function ASFIndexObjectIndexTypeLookup($id) {
static $ASFIndexObjectIndexTypeLookup = array();
if (empty($ASFIndexObjectIndexTypeLookup)) {
$ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
$ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
$ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
}
return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
}
public static function GUIDtoBytestring($GUIDstring) {
$hexbytecharstring = chr(hexdec(substr($GUIDstring, 6, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 4, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 2, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 0, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 9, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
return $hexbytecharstring;
}
public static function BytestringToGUID($Bytestring) {
$GUIDstring = str_pad(dechex(ord($Bytestring{3})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{2})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{1})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{0})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= '-';
$GUIDstring .= str_pad(dechex(ord($Bytestring{5})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{4})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= '-';
$GUIDstring .= str_pad(dechex(ord($Bytestring{7})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{6})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= '-';
$GUIDstring .= str_pad(dechex(ord($Bytestring{8})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{9})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= '-';
$GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
$GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
return strtoupper($GUIDstring);
}
public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
if ($round) {
return intval(round(($FILETIME - 116444736000000000) / 10000000));
}
return ($FILETIME - 116444736000000000) / 10000000;
}
public static function WMpictureTypeLookup($WMpictureType) {
static $lookup = null;
if ($lookup === null) {
$lookup = array(
0x03 => 'Front Cover',
0x04 => 'Back Cover',
0x00 => 'User Defined',
0x05 => 'Leaflet Page',
0x06 => 'Media Label',
0x07 => 'Lead Artist',
0x08 => 'Artist',
0x09 => 'Conductor',
0x0A => 'Band',
0x0B => 'Composer',
0x0C => 'Lyricist',
0x0D => 'Recording Location',
0x0E => 'During Recording',
0x0F => 'During Performance',
0x10 => 'Video Screen Capture',
0x12 => 'Illustration',
0x13 => 'Band Logotype',
0x14 => 'Publisher Logotype'
);
$lookup = array_map(function($str) {
return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
}, $lookup);
}
return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
}
public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
$offset = 0;
$objectOffset = 0;
$HeaderExtensionObjectParsed = array();
while ($objectOffset < strlen($asf_header_extension_object_data)) {
$offset = $objectOffset;
$thisObject = array();
$thisObject['guid'] = substr($asf_header_extension_object_data, $offset, 16);
$offset += 16;
$thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
$thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
$thisObject['size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
$offset += 8;
if ($thisObject['size'] <= 0) {
break;
}
switch ($thisObject['guid']) {
case GETID3_ASF_Extended_Stream_Properties_Object:
$thisObject['start_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
$offset += 8;
$thisObject['start_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
$thisObject['end_time'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 8));
$offset += 8;
$thisObject['end_time_unix'] = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
$thisObject['data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['alternate_data_bitrate'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['alternate_buffer_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['maximum_object_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['flags_raw'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['flags']['reliable'] = (bool) $thisObject['flags_raw'] & 0x00000001;
$thisObject['flags']['seekable'] = (bool) $thisObject['flags_raw'] & 0x00000002;
$thisObject['flags']['no_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000004;
$thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
$thisObject['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$thisObject['stream_language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$thisObject['average_time_per_frame'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$thisObject['stream_name_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$thisObject['payload_extension_system_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
$streamName = array();
$streamName['language_id_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$streamName['stream_name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$streamName['stream_name'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $streamName['stream_name_length']));
$offset += $streamName['stream_name_length'];
$thisObject['stream_names'][$i] = $streamName;
}
for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
$payloadExtensionSystem = array();
$payloadExtensionSystem['extension_system_id'] = substr($asf_header_extension_object_data, $offset, 16);
$offset += 16;
$payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
$payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
if ($payloadExtensionSystem['extension_system_size'] <= 0) {
break 2;
}
$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, $payloadExtensionSystem['extension_system_info_length']));
$offset += $payloadExtensionSystem['extension_system_info_length'];
$thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
}
break;
case GETID3_ASF_Padding_Object:
break;
case GETID3_ASF_Metadata_Object:
$thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
$descriptionRecord = array();
$descriptionRecord['reserved_1'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
$descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
$offset += $descriptionRecord['name_length'];
$descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
$offset += $descriptionRecord['data_length'];
switch ($descriptionRecord['data_type']) {
case 0x0000:
break;
case 0x0001:
break;
case 0x0002:
$descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
break;
case 0x0003:
case 0x0004:
case 0x0005:
$descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
break;
case 0x0006:
$descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
break;
}
$thisObject['description_record'][$i] = $descriptionRecord;
}
break;
case GETID3_ASF_Language_List_Object:
$thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
$languageIDrecord = array();
$languageIDrecord['language_id_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
$offset += 1;
$languageIDrecord['language_id'] = substr($asf_header_extension_object_data, $offset, $languageIDrecord['language_id_length']);
$offset += $languageIDrecord['language_id_length'];
$thisObject['language_id_record'][$i] = $languageIDrecord;
}
break;
case GETID3_ASF_Metadata_Library_Object:
$thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
$descriptionRecord = array();
$descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['name_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['data_type'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
$offset += 2;
$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
$descriptionRecord['data_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
$offset += 4;
$descriptionRecord['name'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['name_length']);
$offset += $descriptionRecord['name_length'];
$descriptionRecord['data'] = substr($asf_header_extension_object_data, $offset, $descriptionRecord['data_length']);
$offset += $descriptionRecord['data_length'];
if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
$WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
foreach ($WMpicture as $key => $value) {
$descriptionRecord['data'] = $WMpicture;
}
unset($WMpicture);
}
$thisObject['description_record'][$i] = $descriptionRecord;
}
break;
default:
$unhandled_sections++;
if ($this->GUIDname($thisObject['guid_text'])) {
$this->getid3->info['warning'][] = 'unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8);
} else {
$this->getid3->info['warning'][] = 'unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8);
}
break;
}
$HeaderExtensionObjectParsed[] = $thisObject;
$objectOffset += $thisObject['size'];
}
return $HeaderExtensionObjectParsed;
}
public static function metadataLibraryObjectDataTypeLookup($id) {
static $lookup = array(
0x0000 => 'Unicode string',
0x0001 => 'BYTE array',
0x0002 => 'BOOL',
0x0003 => 'DWORD',
0x0004 => 'QWORD',
0x0005 => 'WORD',
0x0006 => 'GUID',
);
return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
}
public function ASF_WMpicture(&$data) {
$WMpicture = array();
$offset = 0;
$WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
$offset += 1;
$WMpicture['image_type'] = self::WMpictureTypeLookup($WMpicture['image_type_id']);
$WMpicture['image_size'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
$offset += 4;
$WMpicture['image_mime'] = '';
do {
$next_byte_pair = substr($data, $offset, 2);
$offset += 2;
$WMpicture['image_mime'] .= $next_byte_pair;
} while ($next_byte_pair !== "\x00\x00");
$WMpicture['image_description'] = '';
do {
$next_byte_pair = substr($data, $offset, 2);
$offset += 2;
$WMpicture['image_description'] .= $next_byte_pair;
} while ($next_byte_pair !== "\x00\x00");
$WMpicture['dataoffset'] = $offset;
$WMpicture['data'] = substr($data, $offset);
$imageinfo = array();
$WMpicture['image_mime'] = '';
$imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
unset($imageinfo);
if (!empty($imagechunkcheck)) {
$WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
}
if (!isset($this->getid3->info['asf']['comments']['picture'])) {
$this->getid3->info['asf']['comments']['picture'] = array();
}
$this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
return $WMpicture;
}
public static function TrimConvert($string) {
return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
}
public static function TrimTerm($string) {
if (substr($string, -2) === "\x00\x00") {
$string = substr($string, 0, -2);
}
return $string;
}
}