public IMidiRenderer GetNewRenderer()
{
if (!FluidsynthInitialized)
{
InitializeFluidsynth();
}
var soundfontLoader = SoundFontLoader.NewDefaultSoundFontLoader(_settings);
soundfontLoader.SetCallbacks(_soundfontLoaderCallbacks);
var renderer = new MidiRenderer(_settings, soundfontLoader);
// Since the last loaded soundfont takes priority, we load the fallback soundfont first.
renderer.LoadSoundfont(FallbackSoundfont);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
foreach (var filepath in LinuxSoundfonts)
{
if (!File.Exists(filepath) || !SoundFont.IsSoundFont(filepath))
{
continue;
}
try
{
renderer.LoadSoundfont(filepath, true);
}
catch (Exception)
{
continue;
}
break;
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
if (File.Exists(OSXSoundfont) && SoundFont.IsSoundFont(OSXSoundfont))
{
renderer.LoadSoundfont(OSXSoundfont, true);
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
if (File.Exists(WindowsSoundfont) && SoundFont.IsSoundFont(WindowsSoundfont))
{
renderer.LoadSoundfont(WindowsSoundfont, true);
}
}
lock (_renderers)
_renderers.Add(renderer);
return(renderer);
}
public FluidsynthMidiReceiver(Context context)
{
#if MIDI_MANAGER
access = new FluidsynthMidiAccess ();
access.ConfigureSettings = (settings) => {
#else
var settings = new Settings ();
#endif
//settings [ConfigurationKeys.AudioDriver].StringValue = "opensles";
//settings [ConfigurationKeys.SynthParallelRender].IntValue = 0;
//settings [ConfigurationKeys.SynthThreadsafeApi].IntValue = 0;
//settings [ConfigurationKeys.AudioPeriods].IntValue = 16;
//settings [ConfigurationKeys.AudioPeriods].IntValue = 64;
settings [ConfigurationKeys.AudioSampleFormat].StringValue = "16bits"; // float or 16bits
var manager = context.GetSystemService (Context.AudioService).JavaCast<AudioManager> ();
// Note that it is NOT audio sample rate but *synthesizing* sample rate.
// So it is kind of wrong assumption that AudioManager.PropertyOutputSampleRate would give the best outcome...
//var sr = double.Parse (manager.GetProperty (AudioManager.PropertyOutputSampleRate));
//settings [ConfigurationKeys.SynthSampleRate].DoubleValue = sr;
settings [ConfigurationKeys.SynthSampleRate].DoubleValue = 11025;
var fpb = double.Parse (manager.GetProperty (AudioManager.PropertyOutputFramesPerBuffer));
settings [ConfigurationKeys.AudioPeriodSize].IntValue = (int) fpb;
#if MIDI_MANAGER
};
SynthAndroidExtensions.GetSoundFonts (access.SoundFonts, context, predefined_temp_path);
output = access.OpenOutputAsync (access.Outputs.First ().Id).Result;
#else
syn = new Synth (settings);
var sfs = new List<string> ();
SynthAndroidExtensions.GetSoundFonts (sfs, context, predefined_temp_path);
asset_stream_loader = new AndroidAssetStreamLoader (context.Assets);
asset_sfloader = new SoundFontLoader (syn, asset_stream_loader);
syn.AddSoundFontLoader (asset_sfloader);
foreach (var sf in sfs)
syn.LoadSoundFont (sf, false);
adriver = new AudioDriver (syn.Settings, syn);
#endif
}
public IMidiRenderer GetNewRenderer()
{
if (!FluidsynthInitialized)
{
InitializeFluidsynth();
if (!FluidsynthInitialized) // init failed
{
return(null);
}
}
var soundfontLoader = SoundFontLoader.NewDefaultSoundFontLoader(_settings);
// Just making double sure these don't get GC'd.
// They shouldn't, MidiRenderer keeps a ref, but making sure...
var handle = GCHandle.Alloc(soundfontLoader);
try
{
soundfontLoader.SetCallbacks(_soundfontLoaderCallbacks);
var renderer = new MidiRenderer(_settings, soundfontLoader);
// Since the last loaded soundfont takes priority, we load the fallback soundfont first.
renderer.LoadSoundfont(FallbackSoundfont);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
foreach (var filepath in LinuxSoundfonts)
{
if (!File.Exists(filepath) || !SoundFont.IsSoundFont(filepath))
{
continue;
}
try
{
renderer.LoadSoundfont(filepath, true);
}
catch (Exception)
{
continue;
}
break;
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
if (File.Exists(OsxSoundfont) && SoundFont.IsSoundFont(OsxSoundfont))
{
renderer.LoadSoundfont(OsxSoundfont, true);
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
if (File.Exists(WindowsSoundfont) && SoundFont.IsSoundFont(WindowsSoundfont))
{
renderer.LoadSoundfont(WindowsSoundfont, true);
}
}
lock (_renderers)
_renderers.Add(renderer);
return(renderer);
}
finally
{
handle.Free();
}
}
