public static void ExportMixedSample(IEnumerable <SampleGeneratingArgs> sampleGeneratingArgses, string name,
string exportFolder, Dictionary <SampleGeneratingArgs, SampleSoundGenerator> loadedSamples = null,
SampleExportFormat format = SampleExportFormat.Default, SampleExportFormat mixedFormat = SampleExportFormat.Default,
SampleGeneratingArgsComparer comparer = null)
{
// Export as midi file with single chord
if (format == SampleExportFormat.MidiChords)
{
MidiExporter.SaveToFile(Path.Combine(exportFolder, name + ".mid"), sampleGeneratingArgses.ToArray());
return;
}
// Try loading all the valid samples
var validLoadedSamples = new Dictionary <SampleGeneratingArgs, SampleSoundGenerator>(comparer ?? new SampleGeneratingArgsComparer());
if (loadedSamples != null)
{
foreach (var args in sampleGeneratingArgses)
{
if (!SampleImporter.ValidateSampleArgs(args, loadedSamples))
{
continue;
}
var sample = loadedSamples[args];
validLoadedSamples.Add(args, sample);
}
}
else
{
// Import each sample individually
foreach (SampleGeneratingArgs args in sampleGeneratingArgses)
{
try {
var sample = SampleImporter.ImportSample(args);
validLoadedSamples.Add(args, sample);
} catch (Exception ex) {
Console.WriteLine($@"{ex.Message} while importing sample {args}.");
}
}
}
if (validLoadedSamples.Count == 0)
{
return;
}
// If all the valid samples are blank samples, then also export only a single blank sample
if (validLoadedSamples.Count == 1 || validLoadedSamples.All(o => o.Value.BlankSample))
{
// It has only one valid sample, so we can just export it with the single sample export
ExportSample(validLoadedSamples.Keys.First(), name, exportFolder, loadedSamples, format);
}
else if (validLoadedSamples.Count > 1)
{
// Synchronize the sample rate and channels for all samples and get the sample providers
int maxSampleRate = validLoadedSamples.Values.Max(o => o.Wave.WaveFormat.SampleRate);
int maxChannels = validLoadedSamples.Values.Max(o => o.Wave.WaveFormat.Channels);
// Resample to a supported sample rate when exporting in vorbis format
if (mixedFormat == SampleExportFormat.OggVorbis)
{
maxSampleRate = VorbisFileWriter.GetSupportedSampleRate(maxSampleRate);
}
IEnumerable <ISampleProvider> sameFormatSamples = validLoadedSamples.Select(o =>
(ISampleProvider) new WdlResamplingSampleProvider(SampleImporter.SetChannels(o.Value.GetSampleProvider(), maxChannels),
maxSampleRate));
ISampleProvider sampleProvider = new MixingSampleProvider(sameFormatSamples);
// If the input is Ieee float or you are mixing multiple samples, then clipping is possible,
// so you can either export as IEEE float or use a compressor and export as 16-bit PCM (half filesize) or Vorbis (even smaller filesize)
// If the input is only The Blank Sample then it should export The Blank Sample
if (mixedFormat == SampleExportFormat.WavePcm || mixedFormat == SampleExportFormat.OggVorbis)
{
// When the sample is mixed and the export format is PCM or Vorbis, then clipping is possible, so we add a limiter
sampleProvider = new SoftLimiter(sampleProvider);
}
switch (mixedFormat)
{
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:
CreateWaveFile(Path.Combine(exportFolder, name + ".wav"), sampleProvider.ToWaveProvider());
break;
}
}
}
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() == ".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);
}