public string GetAudioEndpoint()
{
if (aout != null)
{
Guid guid = ((DirectSoundOut)aout).Device;
System.Collections.ObjectModel.ReadOnlyCollection <DirectSoundDevice> list = DirectSoundDeviceEnumerator.EnumerateDevices();
DirectSoundDevice dsd = list.First(x => x.Guid == guid);
return(dsd.Description);
}
else
{
return("");
}
}
public bool SetAudioEndpoint(string dev, bool usedefault = false)
{
#if true
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(100, System.Threading.ThreadPriority.Highest); // seems good quality at 200 ms latency
if (dsd != null)
{
dso.Device = dsd.Guid;
}
#else
MMDevice def = MMDeviceEnumerator.DefaultAudioEndpoint(DataFlow.Render, Role.Console);
ISoundOut dso = new WasapiOut()
{
Latency = 100, Device = def
}; //BAD breakup
#endif
if (aout != null) // clean up last
{
aout.Stopped -= Output_Stopped;
aout.Stop();
aout.Dispose();
}
aout = dso;
aout.Stopped += Output_Stopped;
return(true);
}
public void CanCreatePlayer()
{
var device = new DirectSoundDevice(new DirectSoundDeviceInfo());
device.Player.Should().Not.Be.Null();
}
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);
}
}
// seems good quality at 200 ms latency
// note CS core is crap at samples around 200ms of length.. i've debugged it using audacity and they are truncated
// need to find a replacement to cscore - not been updated since 2017
DirectSoundOut dso = new DirectSoundOut(200, System.Threading.ThreadPriority.Highest);
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);
}
//public PlaybackStoppedDele PlaybackStopped { get; set; }
//public PlaybackContiuneDele PlaybackContiune { set; get; }
#endregion Properties
#region Methods
private void InitializePlayback(int Volume = 50, string openMethods = "waveout", string device = "扬声器")
{
MMDevice mMDevice;
device = device.Trim();
openMethods = openMethods.Trim();
if (openMethods.IndexOf("WaveOut") != -1)
{
IEnumerable <WaveOutDevice> dives = WaveOutDevice.EnumerateDevices();
IEnumerable <WaveOutDevice> divselect = dives.Where(x => x.Name.IndexOf(device) != -1);
WaveOutDevice div = null;
if (divselect.Count() == 0)
{
div = dives.FirstOrDefault();
}
else if (divselect.Count() == 1)
{
div = divselect.FirstOrDefault();
}
else
{
Debug.Print("*****输入异常");
div = divselect.FirstOrDefault();
}
if (div == null)
{
throw new NotSupportedException("not exist directsound device");
}
_soundOut = new WaveOut()
{
Device = div, Latency = 100
}; //300延时有个运算溢出，怀疑是其他异常造成的
}
else if (openMethods.IndexOf("WasApiOut") != -1)
{
var enumerator = new MMDeviceEnumerator();
IEnumerable <MMDevice> mMDevices = MMDeviceEnumerator.EnumerateDevices(DataFlow.Render).Where(x => x.DeviceState == DeviceState.Active);
IEnumerable <MMDevice> dives = enumerator.EnumAudioEndpoints(DataFlow.All, DeviceState.All).Where(x => x.DeviceState == DeviceState.Active);
mMDevices = mMDevices.Join(dives, x => x.FriendlyName, x => x.FriendlyName, (x, y) => x).ToArray();
mMDevice = mMDevices.Where(x => x.FriendlyName.IndexOf(device) != -1).FirstOrDefault(x => x.DeviceState == DeviceState.Active);
_soundOut = new WasapiOut()
{
Device = mMDevice, Latency = 200
};
}
else
{
IEnumerable <DirectSoundDevice> dives = DirectSoundDeviceEnumerator.EnumerateDevices();
var divselect = dives.Where(x => x.Description.IndexOf(device) != -1);
DirectSoundDevice div = null;
if (divselect.Count() == 0)
{
div = dives.FirstOrDefault();
}
else if (divselect.Count() == 1)
{
div = divselect.FirstOrDefault();
}
else
{
//Debug.Print("*****输入异常*****");
div = divselect.FirstOrDefault();
}
if (div == null)
{
throw new NotSupportedException("not exist directsound device");
}
_soundOut = new DirectSoundOut()
{
Device = div.Guid, Latency = 100
};
}
if (_filePath.LastIndexOf(".mp3") != -1)//流异步读取,此api异步读取flac流在频繁pos时有死锁bug
{
Stream fs = File.OpenRead(_filePath);
_waveSource = new CSCore.Codecs.MP3.Mp3MediafoundationDecoder(fs);
}
else if (_filePath.LastIndexOf(".flac") != -1)
{
Stream fs = File.OpenRead(_filePath);
_waveSource = new CSCore.Codecs.FLAC.FlacFile(fs, CSCore.Codecs.FLAC.FlacPreScanMode.Default);
// _waveSource = new CSCore.Codecs.FLAC.FlacFile(_filePath);
}
else
{
_waveSource = CodecFactory.Instance.GetCodec(_filePath);
}
_soundOut.Initialize(_waveSource);
_soundOut.Volume = Volume / 100f;
//_soundOut.Stopped += _soundOut_Stopped;
_total = _waveSource.GetLength();
}
