private static bool IsCopyCompatible(SampleGeneratingArgs sampleGeneratingArgs, WaveFormatEncoding waveEncoding, SampleExportFormat exportFormat)
{
switch (exportFormat)
{
case SampleExportFormat.WaveIeeeFloat:
return(waveEncoding == WaveFormatEncoding.IeeeFloat && sampleGeneratingArgs.GetExtension() == ".wav");
case SampleExportFormat.WavePcm:
return(waveEncoding == WaveFormatEncoding.Pcm && sampleGeneratingArgs.GetExtension() == ".wav");
case SampleExportFormat.OggVorbis:
return(sampleGeneratingArgs.GetExtension() == ".ogg");
default:
return(true);
}
}
public static bool ExportSample(SampleGeneratingArgs sampleGeneratingArgs, string name,
string exportFolder, Dictionary <SampleGeneratingArgs, SampleSoundGenerator> loadedSamples = null,
SampleExportFormat format = SampleExportFormat.Default)
{
if (sampleGeneratingArgs.CanCopyPaste && format == SampleExportFormat.Default)
{
var dest = Path.Combine(exportFolder, name + sampleGeneratingArgs.GetExtension());
return(CopySample(sampleGeneratingArgs.Path, dest));
}
SampleSoundGenerator sampleSoundGenerator;
if (loadedSamples != null)
{
if (SampleImporter.ValidateSampleArgs(sampleGeneratingArgs, loadedSamples))
{
sampleSoundGenerator = loadedSamples[sampleGeneratingArgs];
}
else
{
return(false);
}
}
else
{
try {
sampleSoundGenerator = SampleImporter.ImportSample(sampleGeneratingArgs);
} catch (Exception ex) {
Console.WriteLine($@"{ex.Message} while importing sample {sampleGeneratingArgs}.");
return(false);
}
}
var sourceEncoding = sampleSoundGenerator.Wave.WaveFormat.Encoding;
// Either if it is the blank sample or the source file is literally what the user wants to be exported
if (sampleSoundGenerator.BlankSample && sampleGeneratingArgs.GetExtension() == ".wav" ||
sampleGeneratingArgs.CanCopyPaste && IsFormatEncodingCompatible(sourceEncoding, format))
{
var dest = Path.Combine(exportFolder, name + sampleGeneratingArgs.GetExtension());
return(CopySample(sampleGeneratingArgs.Path, dest));
}
var sampleProvider = sampleSoundGenerator.GetSampleProvider();
if ((format == SampleExportFormat.WavePcm || format == SampleExportFormat.OggVorbis) && sourceEncoding == WaveFormatEncoding.IeeeFloat)
{
// When the source is IEEE float and the export format is PCM or Vorbis, then clipping is possible, so we add a limiter
sampleProvider = new SoftLimiter(sampleProvider);
}
switch (format)
{
case SampleExportFormat.WaveIeeeFloat:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
case SampleExportFormat.WavePcm:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider16());
break;
case SampleExportFormat.OggVorbis:
VorbisFileWriter.CreateVorbisFile(Path.Combine(exportFolder, name + ".ogg"), sampleProvider.ToWaveProvider());
break;
default:
switch (sourceEncoding)
{
case WaveFormatEncoding.IeeeFloat:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
case WaveFormatEncoding.Pcm:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider16());
break;
case WaveFormatEncoding.Vorbis1:
case WaveFormatEncoding.Vorbis2:
case WaveFormatEncoding.Vorbis3:
case WaveFormatEncoding.Vorbis1P:
case WaveFormatEncoding.Vorbis2P:
case WaveFormatEncoding.Vorbis3P:
// Vorbis files default to being exported as 16-bit PCM wave files because that's lossless
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider16());
break;
default:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
}
break;
}
return(true);
}
public static bool ExportSample(SampleGeneratingArgs sampleGeneratingArgs, string name,
string exportFolder, Dictionary <SampleGeneratingArgs, SampleSoundGenerator> loadedSamples = null,
SampleExportFormat format = SampleExportFormat.Default)
{
// Export as midi file with single note
if (format == SampleExportFormat.MidiChords)
{
MidiExporter.SaveToFile(Path.Combine(exportFolder, name + ".mid"), new[] { sampleGeneratingArgs });
return(true);
}
if (sampleGeneratingArgs.CanCopyPaste && format == SampleExportFormat.Default)
{
var dest = Path.Combine(exportFolder, name + sampleGeneratingArgs.GetExtension());
return(CopySample(sampleGeneratingArgs.Path, dest));
}
SampleSoundGenerator sampleSoundGenerator;
if (loadedSamples != null)
{
if (SampleImporter.ValidateSampleArgs(sampleGeneratingArgs, loadedSamples))
{
sampleSoundGenerator = loadedSamples[sampleGeneratingArgs];
}
else
{
return(false);
}
}
else
{
try {
sampleSoundGenerator = SampleImporter.ImportSample(sampleGeneratingArgs);
} catch (Exception ex) {
Console.WriteLine($@"{ex.Message} while importing sample {sampleGeneratingArgs}.");
return(false);
}
}
var sourceWaveEncoding = sampleSoundGenerator.Wave.WaveFormat.Encoding;
// Either if it is the blank sample or the source file is literally what the user wants to be exported
if (sampleSoundGenerator.BlankSample && sampleGeneratingArgs.GetExtension().ToLower() == ".wav" ||
sampleGeneratingArgs.CanCopyPaste && IsCopyCompatible(sampleGeneratingArgs, sourceWaveEncoding, format))
{
var dest = Path.Combine(exportFolder, name + sampleGeneratingArgs.GetExtension());
return(CopySample(sampleGeneratingArgs.Path, dest));
}
var sampleProvider = sampleSoundGenerator.GetSampleProvider();
if ((format == SampleExportFormat.WavePcm || format == SampleExportFormat.OggVorbis) && sourceWaveEncoding == WaveFormatEncoding.IeeeFloat)
{
// When the source is IEEE float and the export format is PCM or Vorbis, then clipping is possible, so we add a limiter
sampleProvider = new SoftLimiter(sampleProvider);
}
switch (format)
{
case SampleExportFormat.WaveIeeeFloat:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
case SampleExportFormat.WavePcm:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider16());
break;
case SampleExportFormat.OggVorbis:
var resampled = new WdlResamplingSampleProvider(sampleProvider,
VorbisFileWriter.GetSupportedSampleRate(sampleProvider.WaveFormat.SampleRate));
VorbisFileWriter.CreateVorbisFile(Path.Combine(exportFolder, name + ".ogg"), resampled.ToWaveProvider());
break;
default:
switch (sourceWaveEncoding)
{
case WaveFormatEncoding.IeeeFloat:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
case WaveFormatEncoding.Pcm:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider16());
break;
default:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
}
break;
}
return(true);
}
