private List <PcsData> LoadMkv(string filename, int trackNumber, string output)
{
List <PcsData> result = null;
using (var matroska = new MatroskaFile(filename))
{
if (matroska.IsValid)
{
var pgsTracks = MkvUtilities.GetPgsSubtitleTracks(matroska);
var track = (from t in pgsTracks where t.TrackNumber == trackNumber select t).FirstOrDefault();
if (track != null)
{
result = LoadSubtitles(matroska, track);
}
else
{
_logger.LogInformation($"Track {trackNumber} is not a PGS track.");
ShowPgsTracks(filename, pgsTracks);
}
}
else
{
_logger.LogInformation($"Invalid matroska file '{filename}'");
}
}
return(result);
}
private (bool result, List <TrackOption> trackOptions) GetTrackOptions(Parsed <CommandLineOptions> values)
{
var result = true;
var trackOptions = new List <TrackOption>();
var input = values.Value.Input;
var output = values.Value.Output;
var trackLanguage = values.Value.TrackLanguage;
var track = values.Value.Track;
_tesseractData = !string.IsNullOrEmpty(values.Value.TesseractData)
? values.Value.TesseractData
: Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "tessdata");
if (!File.Exists(values.Value.Input))
{
_logger.LogError($"Input file '{input}' doesn't exist.");
result = false;
}
if (MkvUtilities.IsMkvFile(input))
{
if (string.IsNullOrEmpty(trackLanguage) && !track.HasValue)
{
_logger.LogError("Track must be set when input is an mkv file.");
result = false;
}
else if (!string.IsNullOrEmpty(trackLanguage))
{
var runnerOptionLanguages = MkvUtilities.GetTracksByLanguage(input, trackLanguage, output);
foreach (var item in runnerOptionLanguages)
{
trackOptions.Add(new TrackOption()
{
Input = input, Output = item.Output, Track = item.Track
});
}
}
else
{
trackOptions.Add(new TrackOption()
{
Input = input, Output = output, Track = track
});
}
}
else
{
var outputFilename = MkvUtilities.GetBaseDefaultOutputFilename(input, output) + ".srt";
trackOptions.Add(new TrackOption()
{
Input = input, Output = outputFilename, Track = null
});
}
if (Directory.Exists(_tesseractData))
{
var tesseractData = new TesseractData(_logger);
_tesseractLanguage = tesseractData.GetTesseractLanguage(_tesseractData, values.Value.TesseractLanguage);
if (string.IsNullOrEmpty(_tesseractLanguage))
{
result = false;
}
}
else
{
_logger.LogError($"Tesseract data directory '{_tesseractData}' doesn't exist.");
result = false;
}
return(result, trackOptions : trackOptions);
}