Such möglichkeit metadaten aus avi (bspw. den titel) zu entfernen (als batch file)

ffmpeg.exe -i aefhd.mp4 -c copy -map_metadata -1 aefhd1.mp4

function Find-ByteSequenceOffset([byte[]]$filebytes,[byte[]]$sequence){
    0..($filebytes.Length-1) | %{
        if ([System.Linq.Enumerable]::SequenceEqual([byte[]]$sequence, [byte[]]$filebytes[$_..($_ + $sequence.Count-1)])){
            return $_
        }
    }
    return $null
}

function Get-MetaDataDetail {
    param(
        [byte[]]$metadata,
        [ValidateSet('INAM','IART','ICOP','IPRD','ICRD','IGNR','ISGN','ISBJ','IKEY','ICMT','IWRI','IPRO','ICNM','IPDS','IEDT','ICDS','IMUS','ISTD','IDST','ICNT','ILNG','IRTD','ISTR','ISFT','ITCH','IENG','IWEB','IDIT','ISMP','ISRF','IMED','ISRC','IARL','ICMS','IPRT','IFRM','ICRP','ISHP','IDIM','ILGT','IDPI','IPLT')][string]$detail  
    )
    [int]$offset_detail = Find-ByteSequenceOffset $metadata ([System.Text.Encoding]::ASCII.GetBytes($detail))
    if ($offset_detail -ne $null){
        return [System.Text.Encoding]::ASCII.GetString($metadata[($offset_detail+8)..($offset_detail + 7 + [System.BitConverter]::ToInt32(($metadata[($offset_detail+4)..($offset_detail+8)]),0))])
    }
}

function Clear-MetaDataDetail {
    param(
        [byte[]]$metadata,
        [ValidateSet('INAM','IART','ICOP','IPRD','ICRD','IGNR','ISGN','ISBJ','IKEY','ICMT','IWRI','IPRO','ICNM','IPDS','IEDT','ICDS','IMUS','ISTD','IDST','ICNT','ILNG','IRTD','ISTR','ISFT','ITCH','IENG','IWEB','IDIT','ISMP','ISRF','IMED','ISRC','IARL','ICMS','IPRT','IFRM','ICRP','ISHP','IDIM','ILGT','IDPI','IPLT')][string]$detail  
    )
    $offset_detail = Find-ByteSequenceOffset $metadata ([System.Text.Encoding]::ASCII.GetBytes($detail))
    if ($offset_detail -ne $null){
        $dsize = [System.BitConverter]::ToInt32(($metadata[($offset_detail+4)..($offset_detail+8)]),0)
        ($offset_detail+8)..($offset_detail+7+$dsize) | %{$metadata.Set($_,0)}
    }
    return $metadata
}

function Clear-AVIMetaData {
    param(
        [parameter(mandatory=$true,ValueFromPipelineByPropertyName=$true)][alias('Fullname')][string]$filepath  
    )
    begin{
        $search = [System.Text.Encoding]::ASCII.GetBytes("LIST")  
        $search2 = [System.Text.Encoding]::ASCII.GetBytes("INFO")  
    }
    process{

        try{
            [System.IO.FileStream]$file = [IO.File]::Open($filepath,[System.IO.FileMode]::Open)
            $found = $false
            $cbuffer = new-object 'Byte' 4  
            $cbuffer = $search
            Do {
                $b = $file.ReadByte()
                if ($b -ne -1){
                    if ([char]$b -eq $search){
                        [void]$file.Read($cbuffer,1,3)
                        if([System.Linq.Enumerable]::SequenceEqual($buffer,$search)){
                            $sbuffer = new-object 'Byte' 8  
                            [void]$file.Read($sbuffer,0,8)
                            if ([System.Linq.Enumerable]::SequenceEqual([byte[]]$sbuffer[4..7],$search2)){
                                $infostart = $file.position
                                $infosizebytes = $sbuffer[0..3]
                                $infosize = [System.BitConverter]::ToInt32($infosizebytes,0) - 4
                                $infocontent = new-object 'Byte' $infosize  
                                [void]$file.Read($infocontent,0,$infosize)
                                $found = $true
                            }
                        }
                    }
                }
            }until($found -or $file.Position -eq -1)
            if ($found){
                $infocontent_new = Clear-MetaDataDetail $infocontent INAM
                if($infocontent_new -ne $null){
                    write-host "Clearing the metatag 'Title' from '$filepath'." -F Green  
                    [void]$file.Seek($infostart,0)
                    $file.Write($infocontent_new,0,$infocontent_new.length)
                }
            }
        }catch{
           throw $_.Exception.Message
        }finally{
            $file.Close()
        }
    }
}
# Titel Tag von allen Videos in D:\Videos inkl. Unterordner entfernen
gci "D:\Videos\*.avi" -file -recurse | Clear-AVIMetaData