void LoadInstrument(InstrumentInfo info)
{
var preset = info.Preset;
var soundFontPath = NSBundle.MainBundle.PathForResource("ChoriumRevA", "sf2");
var soundFontUrl = CFUrl.FromFile(soundFontPath);
samplerUnit.LoadInstrument(new SamplerInstrumentData(soundFontUrl, InstrumentType.SF2Preset)
{
BankLSB = SamplerInstrumentData.DefaultBankLSB,
BankMSB = info.BankMSB,
PresetID = (byte)preset,
});
}
public Instrument(InstrumentInfo info, int channel, AUGraph graph, int ioNode)
{
Info = info;
var samplerNode = graph.AddNode(AudioComponentDescription.CreateMusicDevice(AudioTypeMusicDevice.Sampler));
graph.ConnnectNodeInput(samplerNode, 0, ioNode, (uint)channel);
samplerUnit = graph.GetNodeInfo(samplerNode);
samplerUnit.SetMaximumFramesPerSlice(4096, AudioUnitScopeType.Global, 0);
this.channel = channel;
LoadInstrument(info);
}