public static void SaveAndViewSpectrogramImage(Image image, string opDir, string fName, string imageViewer)
{
string imagePath = Path.Combine(opDir, fName);
image.Save(imagePath, ImageFormat.Png);
var fiImage = new FileInfo(imagePath);
if (fiImage.Exists)
{
LoggedConsole.WriteError("Showing image is no longer supported");
}
}
public static T FindAndCheckAnalyser <T>(string analysisIdentifier, string partialIdentifier)
where T : class, IAnalyser2
{
string searchName;
if (analysisIdentifier.IsNotWhitespace())
{
searchName = analysisIdentifier;
Log.Debug($"Searching for exact analysis identifier name {searchName} (from a CLI option)");
}
else
{
// split name (e.g. "Towsey.Acoustics.Zooming.yml") on periods
var fragments = partialIdentifier.Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
Contract.Requires <CommandLineArgumentException>(
fragments.Length >= 2,
$"We need at least two segments to search for an analyzer, supplied name `{partialIdentifier}` is insufficient.");
// assume indentifier (e.g. "Towsey.Acoustic") in first two segments
searchName = fragments[0] + "." + fragments[1];
Log.Debug($"Searching for partial analysis identifier name. `{searchName}` extracted from `{partialIdentifier}`");
}
var analysers = AnalysisCoordinator.GetAnalyzers <T>(typeof(MainEntry).Assembly).ToList();
T analyser = analysers.FirstOrDefault(a => a.Identifier == searchName);
if (analyser == null)
{
var error = $"We can not determine what analysis you want to run. We tried to search for \"{searchName}\"";
LoggedConsole.WriteError(error);
var knownAnalyzers = analysers.Aggregate(string.Empty, (a, i) => a + $" {i.Identifier}\n");
LoggedConsole.WriteLine("Available analysers are:\n" + knownAnalyzers);
throw new ValidationException($"Cannot find an IAnalyser2 with the name `{searchName}`");
}
Log.Info($"Using analyzer {analyser.Identifier}");
return(analyser);
}
private static async Task <double> CreateSegment(
ISourcePreparer sourcePreparer,
ISegment <FileInfo> fileSegment,
AnalysisSettings settings,
Arguments arguments,
int itemNumber,
int itemCount,
bool mixDownToMono)
{
var timer = Stopwatch.StartNew();
FileSegment preparedFile;
try
{
preparedFile = await sourcePreparer.PrepareFile(
arguments.OutputDir.ToDirectoryInfo(),
fileSegment,
settings.SegmentMediaType,
settings.AnalysisTargetSampleRate,
settings.AnalysisTempDirectory,
null,
mixDownToMono);
}
catch (IOException ioex)
{
LoggedConsole.WriteError($"Failed to cut segment {itemNumber} of {itemCount}:" + ioex.Message);
return(double.NaN);
}
LoggedConsole.WriteLine(
"Created segment {0} of {1}: {2}",
itemNumber,
itemCount,
preparedFile.SourceMetadata.Identifier);
return(timer.Elapsed.TotalSeconds);
}