# Read input:  The drag-and-dropped file
Param([string]$inFilePath='savdalhv01');



# Settings
$outHeight = 290;



# Where are we?
$scriptpath = $MyInvocation.MyCommand.Path;
$scriptFolder = Split-Path $scriptpath;



# Scale the video
$endAt = $inFilePath.lastIndexOf('\');
$droppedFolder = $inFilePath.Substring(0, $endAt);
$extAt = $inFilePath.lastIndexOf('.');
$fileName = $inFilePath.Substring($endAt+1, $extAt-$endAt-1 );
$outputPath = $droppedFolder + '\' + $fileName + '_t.mp4';
# Delete existing thumb file
if ( [System.IO.File]::Exists($outputPath) ) {
    Remove-Item $outputPath;
}
$result = & "$scriptFolder\ffmpeg.exe" -i "$inFilePath" -vf "scale=-2':'$outHeight" -an -pix_fmt yuv420p -preset medium -movflags +faststart "$outputPath";


# Save a poster image
$posterPath = $droppedFolder + '\' + $fileName + '_t.jpg';
if ( -not( [System.IO.File]::Exists($posterPath) ) ) {
    $result = & "$scriptFolder\ffmpeg.exe" -y -i "$outputPath" -ss 1 -vframes 1 -r 1 -f image2 "$posterPath";
}