public static string GetSpectrogramFolder(string videoFileName, int trackNumber = 0)
{
var dir = Configuration.SpectrogramsDirectory.TrimEnd(Path.DirectorySeparatorChar);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
if (videoFileName != null && (videoFileName.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
videoFileName.StartsWith("https://", StringComparison.OrdinalIgnoreCase)))
{
return(Path.Combine(dir, $"{MovieHasher.GenerateHashFromString(videoFileName)}.wav"));
}
string spectrogramFolder;
if (trackNumber > 0)
{
spectrogramFolder = MovieHasher.GenerateHash(videoFileName) + "-" + trackNumber;
}
else
{
spectrogramFolder = MovieHasher.GenerateHash(videoFileName);
}
return(Path.Combine(dir, spectrogramFolder));
}
public static string GenerateHash(string videoFileName)
{
if (videoFileName != null && (videoFileName.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
videoFileName.StartsWith("https://", StringComparison.OrdinalIgnoreCase)))
{
return(MovieHasher.GenerateHashFromString(videoFileName));
}
return(ToHexadecimal(ComputeMovieHash(videoFileName)));
}
public static string GetPeakWaveFileName(string videoFileName, int trackNumber = 0)
{
var dir = Configuration.WaveformsDirectory.TrimEnd(Path.DirectorySeparatorChar);
if (videoFileName != null && (videoFileName.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
videoFileName.StartsWith("https://", StringComparison.OrdinalIgnoreCase)))
{
return(Path.Combine(dir, $"{MovieHasher.GenerateHashFromString(videoFileName)}.wav"));
}
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var hash = MovieHasher.GenerateHash(videoFileName);
string wavePeakName;
if (trackNumber > 0)
{
wavePeakName = $"{hash}-{trackNumber}.wav";
}
else
{
wavePeakName = $"{hash}.wav";
if (!File.Exists(Path.Combine(dir, wavePeakName)))
{
var fileNames = Directory.GetFiles(dir, hash + "-*.wav");
if (fileNames.Length > 0)
{
return(fileNames.OrderBy(p => p).First());
}
}
}
return(Path.Combine(dir, wavePeakName));
}
