private string MakePreviewRelative(PresetExportInfo presetExportInfo, bool wav = false)
{
return(presetExportInfo.GetPreviewFilename(wav).Replace(presetExportInfo.UserContentDirectory + @"\", ""));
}
public void ExportPresetAudioPreviewRealtime(RemoteVstPlugin plugin, PresetExportInfo preset, byte[] data,
int initialDelay)
{
var ctx = plugin.PluginContext;
if ((ctx.PluginCommandStub.PluginContext.PluginInfo.Flags & VstPluginFlags.IsSynth) == 0)
{
throw new EffectsNotSupportedException();
}
// check if the plugin supports real time processing
if (ctx.PluginCommandStub.CanDo(VstCanDoHelper.ToString(VstPluginCanDo.NoRealTime)) == VstCanDoResult.Yes)
{
throw new NoRealtimeProcessingException();
}
//ctx.PluginCommandStub.SetChunk(data, false);
var tempFileName = preset.GetPreviewFilename(true);
Directory.CreateDirectory(Path.GetDirectoryName(tempFileName));
var noteOnEvents = new List <(int loop, int offset, byte note)>();
var noteOffEvents = new List <(int loop, int offset, byte note)>();
foreach (var note in preset.PreviewNotePlayer.PreviewNotes)
{
var onLoop = (double)VstHost.SampleRate * note.Start / VstHost.BlockSize;
var onOffset = (int)((onLoop - (int)onLoop) * VstHost.BlockSize);
noteOnEvents.Add((loop: (int)onLoop, offset: onOffset, note: (byte)(note.NoteNumber + 12)));
var offLoop = (double)VstHost.SampleRate * (note.Start + note.Duration) / VstHost.BlockSize;
var offOffset = (int)((offLoop - (int)offLoop) * VstHost.BlockSize);
noteOffEvents.Add((loop: (int)offLoop, offset: offOffset, note: (byte)(note.NoteNumber + 12)));
}
var hasExportedAudio = false;
for (var i = 0; i < 10; i++)
{
if (DoAudioWaveExport(plugin, tempFileName, noteOnEvents, noteOffEvents, initialDelay,
preset.PreviewNotePlayer.MaxDuration))
{
hasExportedAudio = true;
break;
}
}
if (hasExportedAudio)
{
ConvertToOGG(tempFileName, preset.GetPreviewFilename());
}
else
{
plugin.Logger.Error("No audio data was returned by the plugin. Most likely it was still loading " +
"the preset data; try to increase the audio preview pre-delay in the plugin " +
"settings and try again");
}
File.Delete(tempFileName);
}