static void Test()
{
var soundIn = new WasapiCapture();
soundIn.Initialize();
var soundInSource = new RealTimeSoundInSource(soundIn);
var soundOut = new WasapiOut();
soundOut.Initialize(soundInSource);
soundIn.Start();
soundOut.Play();
soundOut.Stopped += (s, e) =>
{
Console.WriteLine("I'm dead but not dead, P.P.A.P");
Task.Run(() =>
{
soundOut.Play();
});
};
while (true)
{
Console.ReadLine();
}
}
public long RunMeasurementRoutine()
{
Console.WriteLine($"We will take {c_sampleCount} samples to calculate the end-to-end system latency.");
Console.WriteLine("Setting up audio devices...");
InterceptKeys.Instance.OnKey += OnKey;
InterceptKeys.Start();
Thread.Sleep(1000);
_capture.Initialize();
_capture.DataAvailable += OnData;
_tracker.Start();
_capture.Start();
_output.Initialize(new SampleToIeeeFloat32(new MetronomeGenerator()));
_output.Play();
_done.WaitOne();
float delta = 0;
for (int i = 0; i < c_sampleCount; i++)
{
delta += _keyTicks[i] - _audioTicks[i];
}
delta /= c_sampleCount;
Console.WriteLine($"End-to-end latency: {delta / 10000}ms");
Thread.Sleep(5000);
return((long)(delta));
}
public void Initialize()
{
_wasapiOut = new WasapiOut();
_opusDecoder = OpusDecoder.Create(48000, 1);
//var waveForm = new WaveFormatExtensible(48000, 16, 1, Guid.Parse("00000003-0000-0010-8000-00aa00389b71"));
var waveForm = new WaveFormat(48000, 16, 1);
_writeableBufferingSource = new WriteableBufferingSource(waveForm)
{
FillWithZeros = true
};
IWaveSource waveSource;
if (_triggerSingleBlockRead)
{
var singleBlockNotificationStream =
new SingleBlockNotificationStream(_writeableBufferingSource.ToSampleSource());
singleBlockNotificationStream.SingleBlockRead += SingleBlockNotificationStreamOnSingleBlockRead;
waveSource = singleBlockNotificationStream.ToWaveSource();
}
else
{
waveSource = _writeableBufferingSource;
}
_wasapiOut.Initialize(waveSource);
_wasapiOut.Play();
}
public void SoundInToSoundOutTest_Wasapi()
{
for (int i = 0; i < 10; i++)
{
var waveIn = new WasapiCapture();
waveIn.Initialize();
waveIn.Start();
var waveInToSource = new SoundInSource(waveIn)
{
FillWithZeros = true
};
var soundOut = new WasapiOut();
soundOut.Initialize(waveInToSource);
soundOut.Play();
Thread.Sleep(2000);
Assert.AreEqual(PlaybackState.Playing, soundOut.PlaybackState);
soundOut.Dispose();
waveIn.Dispose();
}
}
private void button_Click(object sender, RoutedEventArgs e)
{
MMDevice dev = (MMDevice)comboBox.SelectedItem;
if (mmdevicesOut.Contains(dev))
{
capture = new WasapiLoopbackCapture();
}
else
{
capture = new WasapiCapture();
}
capture.Device = dev;
capture.Initialize();
w = new WasapiOut();
w.Device = (MMDevice)comboBox_Copy.SelectedItem;
w.Initialize(new SoundInSource(capture)
{
FillWithZeros = true
});
capture.Start();
w.Play();
}
public void TestDistortion()
{
EventWaitHandle waitHandle = new AutoResetEvent(false);
using (MemoryStream stream = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
foreach (InstalledVoice voice in synth.GetInstalledVoices())
{
Console.WriteLine(voice.VoiceInfo.Name);
}
synth.SetOutputToWaveStream(stream);
synth.Speak("Anaconda golf foxtrot lima one niner six eight requesting docking.");
stream.Seek(0, SeekOrigin.Begin);
IWaveSource source = new WaveFileReader(stream);
DmoDistortionEffect distortedSource = new DmoDistortionEffect(source);
distortedSource.Edge = 10;
distortedSource.PreLowpassCutoff = 4800;
var soundOut = new WasapiOut();
soundOut.Stopped += (s, e) => waitHandle.Set();
soundOut.Initialize(distortedSource);
soundOut.Play();
waitHandle.WaitOne();
soundOut.Dispose();
distortedSource.Dispose();
source.Dispose();
}
}
public void Prepare(Uri uri)
{
CleanUp();
Source = CodecFactory.Instance.GetCodec(uri);
Out = new WasapiOut();
Out.Initialize(Source);
}
public void TestPhonemes()
{
EventWaitHandle waitHandle = new AutoResetEvent(false);
using (MemoryStream stream = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
synth.SetOutputToWaveStream(stream);
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>This is your <phoneme alphabet=\"ipa\" ph=\"leɪkɒn\">Lakon</phoneme>.</s></speak>");
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"ˈdɛltə\">delta</phoneme> system.</s></speak>");
synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"ˈlaʊ.təns\">Luyten's</phoneme> <phoneme alphabet=\"ipa\" ph=\"stɑː\">Star</phoneme> system.</s></speak>");
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"bliːiː\">Bleae</phoneme> <phoneme alphabet=\"ipa\" ph=\"θuːə\">Thua</phoneme> system.</s></speak>");
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the Amnemoi system.</s></speak>");
//synth.Speak("You are travelling to the Barnard's Star system.");
stream.Seek(0, SeekOrigin.Begin);
IWaveSource source = new WaveFileReader(stream);
var soundOut = new WasapiOut();
soundOut.Stopped += (s, e) => waitHandle.Set();
soundOut.Initialize(source);
soundOut.Play();
waitHandle.WaitOne();
soundOut.Dispose();
source.Dispose();
}
}
private void button_start_Click(object sender, EventArgs e)
{
wavein = null;
wavein = new WasapiCapture(false, AudioClientShareMode.Exclusive, 5);
wavein.Device = inputDevices[comboBox_mic.SelectedIndex];
wavein.Initialize();
wavein.Start();
source = new SoundInSource(wavein)
{
FillWithZeros = true
};
//add my special effects in the chain
efxProcs = new EfxProcs(source.ToSampleSource().ToMono());
efxProcs.gain = linearGain; //keep track of this changing value
efxProcs.pitchFactor = pitchShift; //keep track of pitch
waveout = null;
waveout = new WasapiOut(false, AudioClientShareMode.Exclusive, 5);
waveout.Device = outputDevices[comboBox_speaker.SelectedIndex];
waveout.Initialize(efxProcs.ToWaveSource()); //source.ToSampleSource().ToWaveSource());//
waveout.Play();
//CSCore.Streams.SampleConverter.SampleToIeeeFloat32 sampleToIeee = new CSCore.Streams.SampleConverter.SampleToIeeeFloat32(source.ToSampleSource());
timer1.Enabled = true;
}
private static void StartCapture(MMDevice sourceDevice, MMDevice targetDevice)
{
var soundIn = new WasapiLoopbackCapture {
Device = sourceDevice
};
soundIn.Initialize();
var soundOut = new WasapiOut()
{
Latency = 100, Device = targetDevice
};
soundOut.Initialize(new SoundInSource(soundIn));
soundIn.Start();
soundOut.Play();
while (true)
{
if (soundOut.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(500);
}
soundOut.Play();
}
}
public void TestAudio()
{
EventWaitHandle waitHandle = new AutoResetEvent(false);
using (MemoryStream stream = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
synth.SetOutputToWaveStream(stream);
synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s><audio src=\"C:\\Users\\jgm\\Desktop\\positive.wav\"/>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"ˈlaʊ.təns\">Luyten's</phoneme> <phoneme alphabet=\"ipa\" ph=\"stɑː\">Star</phoneme> system.</s></speak>");
stream.Seek(0, SeekOrigin.Begin);
IWaveSource source = new WaveFileReader(stream);
var soundOut = new WasapiOut();
soundOut.Stopped += (s, e) => waitHandle.Set();
soundOut.Initialize(source);
soundOut.Play();
waitHandle.WaitOne();
soundOut.Dispose();
source.Dispose();
}
}
static void ReceiverMain(int tcpPort, int udpPort)
{
//UdpReceiver soundIn;
soundIn = new UdpReceiver(tcpPort, udpPort);
soundIn.Initialize();
IWaveSource source = new SoundInSource(soundIn)
{
FillWithZeros = true
};
soundIn.Start();
//create a soundOut instance to play the data
soundOut = new WasapiOut();
//initialize the soundOut with the echoSource
//the echoSource provides data from the "source" and applies the echo effect
//the "source" provides data from the "soundIn" instance
soundOut.Initialize(source);
//play
soundOut.Play();
/*System.Timers.Timer aTimer = new System.Timers.Timer();
* aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
* aTimer.Interval = 2000;
* aTimer.Enabled = true;*/
Console.WriteLine("Receiving audio... Press any key to exit the program.");
Console.ReadKey();
}
public void TestPhonemes()
{
EventWaitHandle waitHandle = new AutoResetEvent(false);
using (MemoryStream stream = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
synth.SetOutputToWaveStream(stream);
synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"ˈprəʊˌsɪən\">Procyon</phoneme> system.</s></speak>");
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the <phoneme alphabet=\"ipa\" ph=\"ˈkaɪə\">Kaia</phoneme> <phoneme alphabet=\"ipa\" ph=\"ˈbɑːhɑːhɑː\">Bajaja</phoneme> system.</s></speak>");
//synth.SpeakSsml("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang=\"en-GB\"><s>You are travelling to the Amnemoi system.</s></speak>");
//synth.Speak("Anemoi");
stream.Seek(0, SeekOrigin.Begin);
IWaveSource source = new WaveFileReader(stream);
var soundOut = new WasapiOut();
soundOut.Stopped += (s, e) => waitHandle.Set();
soundOut.Initialize(source);
soundOut.Play();
waitHandle.WaitOne();
soundOut.Dispose();
source.Dispose();
}
}
public Audio()
{
try
{
CodecFactory.Instance.Register("ogg-vorbis",
new CodecFactoryEntry(s => new OggSource(s).ToWaveSource(), ".ogg"));
_mixer = new SoundMixer();
_soundOut = new WasapiOut();
_soundOut.Initialize(_mixer.ToWaveSource());
_soundOut.Play();
}
catch
{
Console.WriteLine("Could not load audio");
}
_menu = LoadSound(AppContext.BaseDirectory + "assets/sfx/menu.wav");
LoadSound(AppContext.BaseDirectory + "assets/sfx/fill.wav");
_random = new Random();
_playlist = new List <string>();
_playingPlaylist = false;
var files = Directory.EnumerateFiles(AppContext.BaseDirectory + "/assets/bgm/playlist");
foreach (var file in files)
{
if (!file.EndsWith(".ogg"))
{
continue;
}
_playlist.Add(file);
}
}
public static void Play(string filePath, Func <bool> ShouldStop = null)
{
using (var enumerator = new MMDeviceEnumerator())
using (var device = enumerator.EnumAudioEndpoints(DataFlow.Render, DeviceState.Active).Last())
using (var source =
CodecFactory.Instance.GetCodec(filePath)
.ToSampleSource()
.ToMono()
.ToWaveSource())
using (
var soundOut = new WasapiOut()
{
Latency = 100, Device = device
})
{
soundOut.Initialize(source);
soundOut.Play();
if (ShouldStop == null)
{
Thread.Sleep(source.GetLength());
}
else
{
while (!ShouldStop())
{
Thread.Sleep(5000);
}
}
soundOut.Stop();
}
}
public void TestExtendedSource()
{
EventWaitHandle waitHandle = new AutoResetEvent(false);
using (MemoryStream stream = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
synth.SetOutputToWaveStream(stream);
synth.Speak("Test.");
stream.Seek(0, SeekOrigin.Begin);
IWaveSource source = new ExtendedDurationWaveSource(new WaveFileReader(stream), 2000).AppendSource(x => new DmoWavesReverbEffect(x)
{
ReverbMix = -10
});
var soundOut = new WasapiOut();
soundOut.Stopped += (s, e) => waitHandle.Set();
soundOut.Initialize(source);
soundOut.Play();
waitHandle.WaitOne();
soundOut.Dispose();
source.Dispose();
}
}
/// <summary>
/// Plays silence.wav on loop in background to ensure there is sound coming out of the speakers at all times.
/// </summary>
private void playSilence()
{
soundout = new WasapiOut();
var source = CodecFactory.Instance.GetCodec("silence.wav");
soundout.Initialize(source.Loop());
soundout.Play();
}
/// <summary>
/// Plays the sound.
/// </summary>
/// <param name="source">The WaveSource.</param>
private void Play(IWaveSource source)
{
Stop();
var panSource = new PanSource(source);
_panSource = panSource;
_wasapiOut.Initialize(panSource.ToWaveSource());
_wasapiOut.Play();
}
unsafe static void Main(string[] args)
{
WasapiOut wasapi = new WasapiOut();
wasapi.Initialize(new TestStream());
wasapi.Play();
Console.ReadKey();
}
private static void Main(string[] args)
{
OpenFileDialog openFileDialog = new OpenFileDialog()
{
Title = "Select a file to play",
Filter = CodecFactory.SupportedFilesFilterEn
};
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
using (var soundOut = new WasapiOut()
{
Latency = 50
})
{
using (var fadeInOut = CodecFactory.Instance.GetCodec(openFileDialog.FileName)
.ToSampleSource()
.AppendSource(x => new FadeInOut(x)))
{
var linearFadeStrategy = new LinearFadeStrategy();
var eventHandle = new AutoResetEvent(false);
linearFadeStrategy.FadingFinished += (s, e) => eventHandle.Set();
fadeInOut.FadeStrategy = linearFadeStrategy;
soundOut.Initialize(fadeInOut.ToWaveSource());
soundOut.Play();
while (true)
{
Console.Write("Enter the target volume: ");
float to;
if (!Single.TryParse(Console.ReadLine(), out to) ||
to > 1 || to < 0)
{
Console.WriteLine("Invalid value.");
continue;
}
linearFadeStrategy.StartFading(0.3f, to, 5000); //fade from the current volume to the entered volume over a duration of 3000ms
do
{
ClearCurrentConsoleLine();
Console.WriteLine(linearFadeStrategy.CurrentVolume);
Console.CursorTop--;
} while (!eventHandle.WaitOne(50));
ClearCurrentConsoleLine();
Console.WriteLine(linearFadeStrategy.CurrentVolume);
}
}
}
}
public void StartAudio(MMDevice speaker)
{
if (_soundOut.PlaybackState == PlaybackState.Playing)
{
_soundOut.Stop();
}
_soundOut.Device = speaker;
_soundOut.Initialize(_source);
_soundOut.Play();
}
static void Main(string[] args)
{
const string DefaultStream =
@"http://stream.srg-ssr.ch/m/rsj/aacp_96";
Console.WriteLine("01 - File");
Console.WriteLine("02 - Stream");
Console.WriteLine("99 - Test-Stream");
int choice;
do
{
Int32.TryParse(Console.ReadLine(), out choice);
} while (choice != 1 && choice != 2 && choice != 99);
Stream stream = null;
string url = null;
if (choice == 1)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
stream = File.OpenRead(openFileDialog.FileName);
}
else if (choice == 2)
{
Console.WriteLine("Enter a stream url:");
url = Console.ReadLine();
}
else
{
url = DefaultStream;
}
//we could also easily pass the filename as url
//but since we want to test the decoding of System.IO.Stream, we
//pass a FileStream as argument.
FfmpegDecoder ffmpegDecoder = stream == null
? new FfmpegDecoder(url)
: new FfmpegDecoder(stream);
using (ffmpegDecoder)
using (var wasapiOut = new WasapiOut())
{
wasapiOut.Initialize(ffmpegDecoder);
wasapiOut.Play();
Console.ReadKey();
}
}
public async void Play()
{
MMDevice[] playDevices = GetEnabledDevices();
Log.WriteLine("Playing \"{0}\" with volume {1:0.00} on devices: {2}", name, GetVolume(), String.Join <string>(", ", playDevices.Select(d => d.FriendlyName)));
List <ManualResetEvent> mres = new List <ManualResetEvent>();
foreach (MMDevice device in playDevices)
{
WasapiOut audioOut = new WasapiOut();
IWaveSource source = CodecFactory.Instance.GetCodec(this.source);
Log.WriteLine("Source format: {0}", source.WaveFormat.ToString());
audioOut.Device = device;
audioOut.Initialize(source);
audioOut.Volume = GetVolume();
ManualResetEvent mre = new ManualResetEvent(false);
mres.Add(mre);
audioOut.Stopped += (s, e) =>
{
audioOut.Dispose();
source.Dispose();
mre.Set();
Log.WriteLine("\"{0}\" stopped on device \"{1}\"", name, device.FriendlyName);
};
audioOuts.Add(new Tuple <WasapiOut, IWaveSource>(audioOut, source));
audioOut.Play();
}
Log.WriteLine("Waiting for all ({0}) events to trigger", mres.Count);
await Task.Run(() =>
{
while (true)
{
if (WaitHandle.WaitAll(mres.ToArray(), positionUpdateFreq))
{
return;
}
PositionUpdate(this, new PositionUpdateEventArgs(GetPosition()));
}
});
Log.WriteLine("\"{0}\" stopped", name);
audioOuts.Clear();
if (Stopped != null)
{
Stopped(this, EventArgs.Empty);
}
}
private static Task Player(IWaveSource decoder, WasapiOut device)
{
if (device.PlaybackState != PlaybackState.Stopped)
{
device.Stop();
}
device.Initialize(decoder.ToMono()); //Mono > Stereo in micspams
device.Play();
return(Task.FromResult <object>(null));
}
// Use this for initialization
void MakeOutput(out WasapiOut output, out WritablePureDataSource outSource)
{
var ayy = new MMDeviceEnumerator();
output = new WasapiOut(false, AudioClientShareMode.Shared, 100);
output.Device = ayy.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
outSource = new WritablePureDataSource(new WaveFormat(inputSampleRate, 8, 1), new WaveFormat(output.Device.DeviceFormat.SampleRate, 8, output.Device.DeviceFormat.Channels));
output.Initialize(outSource.ToWaveSource());
output.Play();
}
public Mixer(int channelCount)
{
output = new WasapiOut()
{
Latency = 4
};
MasterChannel = new MixerChannel("Master", channelCount, output.Device.DeviceFormat.SampleRate);
var w = new MixerChannelToCSCore(MasterChannel).ToWaveSource();
output.Initialize(w);
output.Play();
}
public void StartOutput()
{
if (!isCaptureAvailable)
{
throw new WasapiNotInitializedException("This instance has no WasapiCapture object initialized. Try using StartLoopback() or StartCaptureMicrophone().");
}
else
{
isOutputAvailable = true;
output.Initialize(wave);
output.Play();
}
}
public void PlaySound()
{
try
{
played = true;
ISoundOut soundOut = new WasapiOut();
soundOut.Initialize(GetSoundSource(soundstrm));
soundOut.Volume = 1;
soundOut.Play();
} catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public void ChangeSong(string file)
{
if (File.Exists(file))
{
source = CodecFactory.Instance.GetCodec(file);
tracker.Maximum = (int)source.Length;
tracker.Value = 0;
audioOut.Stop();
audioOut.Initialize(source);
}
else
{
}
}
/*
* unsafe class FilterTest : IWaveStream {
* private Convolver convolver;
* private AudioStream audioStream;
* private AudioResampler resampler;
* private AudioFrame inFrame, outFrame;
* private byte[] temp = new byte[4096 * 3];
* private WaveFormat inWaveFormat;
* private int over = 0;
*
* public FilterTest(AudioStream audioStream) {
* this.audioStream = audioStream;
* this.convolver = new Convolver(new double[] { 1 });
* inWaveFormat = new WaveFormat(audioStream.Format.SampleRate, 32, audioStream.Format.Channels);
* audioStream.Resample(inWaveFormat);
* inFrame = new AudioFrame(audioStream.decoder.OutFormat.ToPacked());
* }
*
* public WaveFormat Format => inWaveFormat;
*
* public int Read(byte[] buffer, int start, int length) {
* if (over == 0) {
* over = audioStream.Read(temp, 0, temp.Length);
* inFrame.Update(over / inWaveFormat.BlockAlign, temp);
* double[] input = new double[inFrame.SampleCount];
* double* frameData = (double*) inFrame.Data[0];
* for (int i = 0; i < input.Length; i++) {
* input[i] = frameData[i * 2];
* }
* double[] output = new double[convolver.GetOutLength(input.Length)];
* int len = convolver.Convolve(input, 0, input.Length, output, 0, output.Length);
*
* if (resampler != null) {
*
* }
* }
*
* return 0;
* }
*
* public void Resample(WaveFormat format) {
* resampler = new AudioResampler(
* new AudioFormat(Format.SampleRate, Format.ValidBitsPerSample, Format.Channels),
* new AudioFormat(format.SampleRate, format.ValidBitsPerSample, format.Channels)
* );
* outFrame = new AudioFrame(new AudioFormat(format.SampleRate, format.Channels, format.ValidBitsPerSample, true));
* }
* }
*/
static void Main(string[] args)
{
var audioStream = new AudioStream(File.OpenRead(@"D:\MyDocuments\Downloads\09 - Interlude～ネムル森～2.flac"));
using (var wasapi = new WasapiOut(ShareMode.Exclusive, true, Role.Multimedia, 640)) {
wasapi.Resample += (sender, e) => {
audioStream.Resample(e.OutFormat);
};
wasapi.Initialize(audioStream);
wasapi.Play();
Console.WriteLine("播放...");
Console.ReadKey();
}
Console.WriteLine("释放");
}
