public bool SetAudioEndpoint(string dev, bool usedefault = false)
{
System.Collections.ObjectModel.ReadOnlyCollection <DirectSoundDevice> list = DirectSoundDeviceEnumerator.EnumerateDevices();
DirectSoundDevice dsd = null;
if (dev != null) // active selection
{
dsd = list.FirstOrDefault(x => x.Description.Equals(dev)); // find
if (dsd == null && !usedefault) // if not found, and don't use the default (used by constructor)
{
return(false);
}
}
DirectSoundOut dso = new DirectSoundOut(200, System.Threading.ThreadPriority.Highest); // seems good quality at 200 ms latency
if (dso == null) // if no DSO, fail..
{
return(false);
}
if (dsd != null)
{
dso.Device = dsd.Guid;
}
else
{
DirectSoundDevice def = DirectSoundDevice.DefaultDevice;
dso.Device = def.Guid; // use default GUID
}
NullWaveSource nullw = new NullWaveSource(10);
try
{
dso.Initialize(nullw); // check it takes it.. may not if no sound devices there..
dso.Stop();
nullw.Dispose();
}
catch
{
nullw.Dispose();
dso.Dispose();
return(false);
}
if (aout != null) // clean up last
{
aout.Stopped -= Output_Stopped;
aout.Stop();
aout.Dispose();
}
aout = dso;
aout.Stopped += Output_Stopped;
return(true);
}
// FROM audio stream
public AudioData Generate(System.IO.Stream audioms, SoundEffectSettings effects, bool ensureaudio)
{
try
{
audioms.Position = 0;
IWaveSource s;
if (audioms.Length == 0)
{
if (ensureaudio)
{
s = new NullWaveSource(50);
}
else
{
return(null);
}
}
else
{
s = new CSCore.Codecs.WAV.WaveFileReader(audioms);
//System.Diagnostics.Debug.WriteLine("oRIGINAL length " + s.Length);
if (ensureaudio)
{
s = s.AppendSource(x => new ExtendWaveSource(x, 100)); // SEEMS to help the click at end..
}
}
//System.Diagnostics.Debug.WriteLine("Sample length " + s.Length);
System.Diagnostics.Debug.Assert(s != null);
ApplyEffects(ref s, effects);
//System.Diagnostics.Debug.WriteLine(".. to length " + s.Length);
System.Diagnostics.Debug.Assert(s != null);
return(new AudioData(s));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception " + ex.Message);
if (ensureaudio)
{
IWaveSource s = new NullWaveSource(100);
System.Diagnostics.Debug.Assert(s != null);
return(new AudioData(s));
}
else
{
return(null);
}
}
}
