public void CanStopEngine()
{
XAudio2 obj = XAudio2.Create();
obj.StartEngine();
obj.StopEngine();
}
static SoundEffect()
{
// This cannot fail.
Device = new XAudio2();
try
{
Device.StartEngine();
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate);
MasterVoice.SetVolume(_masterVolume, 0);
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
Speakers = (Speakers)MasterVoice.ChannelMask;
}
catch
{
// Release the device and null it as
// we have no audio support.
Device.Dispose();
Device = null;
MasterVoice = null;
}
}
public void Resume()
{
if (m_canPlay)
{
m_audioEngine.StartEngine();
}
}
public WaveManager()
{
xAudio = new XAudio2();
var mastering = new MasteringVoice(xAudio);
mastering.SetVolume(1, 0);
xAudio.StartEngine();
}
// CONSTRUCXTOR
public SoundX(int SampleRate)
{
this.SampleRate = SampleRate;
Stopped = true;
if (anyInitFail)
{
return;
}
try
{
frameBuffer = new FrameBuffer <short>(SampleRate / FRAMES_PER_SECOND * CHANNELS, SampleRate / 20);
noise = new Noise(SampleRate, MAX_SOUND_AMPLITUDE);
xaudio = new XAudio2();
masteringVoice = new MasteringVoice(xaudio, CHANNELS, SampleRate);
bufferEndEvent = new AutoResetEvent(false);
var frameSizeBytes = SampleRate / FRAMES_PER_SECOND * CHANNELS * 2;
for (int i = 0; i < RING_SIZE; i++)
{
audioBuffersRing[i] = new AudioBuffer()
{
AudioBytes = frameSizeBytes,
LoopCount = 0,
Flags = BufferFlags.None,
};
memBuffers[i].Size = frameSizeBytes;
memBuffers[i].Pointer = Utilities.AllocateMemory(memBuffers[i].Size);
}
sourceVoice = new SourceVoice(xaudio, new WaveFormat(SampleRate, BITS_PER_SAMPLE, CHANNELS), true);
xaudio.StartEngine();
sourceVoice.BufferEnd += (o) => bufferEndEvent?.Set();
sourceVoice.Start();
playingTask = Task.Factory.StartNew(Loop, TaskCreationOptions.LongRunning);
enabled = false;
on = false;
mute = false;
Stopped = false;
}
catch (Exception)
{
anyInitFail = true;
enabled = false;
Stopped = true;
}
}
/// <summary>
///
/// </summary>
public override void Initialize()
{
try
{
if (Device == null)
{
Device = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.DefaultProcessor, XAudio2Version.Version27);
Device.StartEngine();
}
var DeviceFormat = Device.GetDeviceDetails(0).OutputFormat;
// Just use the default device.
const int deviceId = 0;
if (MasterVoice == null)
{
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate, deviceId);
MasterVoice.SetVolume(_masterVolume, 0);
}
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
var deviceDetails = Device.GetDeviceDetails(deviceId);
Speakers = deviceDetails.OutputFormat.ChannelMask;
var dev3d = Device3D;
Log.Debug("Audio devices :");
for (int devId = 0; devId < Device.DeviceCount; devId++)
{
var device = Device.GetDeviceDetails(devId);
Log.Debug("[{1}] {0}", device.DisplayName, devId);
Log.Debug(" role : {0}", device.Role);
Log.Debug(" id : {0}", device.DeviceID);
}
}
catch (Exception e)
{
Log.Error(e.ToString());
// Release the device and null it as
// we have no audio support.
if (Device != null)
{
Device.Dispose();
Device = null;
}
MasterVoice = null;
}
soundWorld = new SoundWorld(Game);
}
/// <summary>
/// Initializes XAudio.
/// </summary>
internal static void PlatformInitialize()
{
try
{
if (Device == null)
{
#if !WINDOWS_UAP && DEBUG
try
{
//Fails if the XAudio2 SDK is not installed
Device = new XAudio2(XAudio2Flags.DebugEngine, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
}
catch
#endif
{
Device = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
}
}
// Just use the default device.
#if WINDOWS_UAP
string deviceId = null;
#else
const int deviceId = 0;
#endif
if (MasterVoice == null)
{
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate);
}
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
#if WINDOWS_UAP
Speakers = (Speakers)MasterVoice.ChannelMask;
#else
Speakers = Device.Version == XAudio2Version.Version27 ?
Device.GetDeviceDetails(deviceId).OutputFormat.ChannelMask:
(Speakers)MasterVoice.ChannelMask;
#endif
}
catch
{
// Release the device and null it as
// we have no audio support.
if (Device != null)
{
Device.Dispose();
Device = null;
}
MasterVoice = null;
}
}
/// <summary>
/// Инициализирует новый экзепляр класса <see cref="SoundService"/>.
/// </summary>
public SoundService()
{
cachedBuffers = new Dictionary <string, AudioBufferAndMetaData>();
lockObject = new object();
xAudio = new XAudio2();
masteringVoice = new MasteringVoice(xAudio);
masteringVoice.SetVolume(1, 0);
xAudio.StartEngine();
}
private static void InitializeXAudio2()
{
// This is mandatory when using any of SharpDX.MediaFoundation classes
MediaManager.Startup();
// Starts The XAudio2 engine
xaudio2 = new XAudio2();
xaudio2.StartEngine();
masteringVoice = new MasteringVoice(xaudio2);
}
public AudioFx()
{
_xaudio2 = new XAudio2();
Task.Run(() =>
{
_xaudio2.StartEngine();
_masteringVoice = new MasteringVoice(_xaudio2);
});
_cues = new List <Cue>();
}
static SoundEffect()
{
Device = new XAudio2();
Device.StartEngine();
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate);
MasterVoice.SetVolume(_masterVolume, 0);
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
Speakers = (Speakers)MasterVoice.ChannelMask;
}
public XAudio2Mixer()
{
_xAudio = new XAudio2();
_xAudio.StartEngine();
_masteringVoice = new MasteringVoice(_xAudio);
_buffers = new XAudioBuffer[NumBuffers];
for (var i = 0; i < NumBuffers; i++)
{
_buffers[i] = new XAudioBuffer(BufferSize);
}
}
public SoundManager()
{
try
{
xAudio = new XAudio2();
xAudio.StartEngine();
new MasteringVoice(xAudio).SetVolume(1);
}
catch (Exception ex)
{
Program.DumpExceptionTo(ex, "sound_exception.json");
IsSupported = false;
}
}
private void Form1_Load(object sender, EventArgs e)
{
xAudio2 = new XAudio2();
xAudio2.StartEngine();
masteringVoice = new MasteringVoice(xAudio2);
textBox2.Text = "Nagrywanie wylaczone";
MMDeviceEnumerator enumerator = new MMDeviceEnumerator();
MMDeviceCollection audioDevices = enumerator.EnumerateAudioEndPoints(DataFlow.Render, DeviceState.Active);
comboBox2.Items.AddRange(audioDevices.ToArray());
comboBox3.Items.Add("Bez");
comboBox3.Items.Add("Echo");
comboBox3.Items.Add("Reverb");
comboBox3.SelectedIndex = 0;
}
static SoundEffect()
{
var flags = XAudio2Flags.None;
#if !WINRT && DEBUG
flags |= XAudio2Flags.DebugEngine;
#endif
try
{
// This cannot fail.
Device = new XAudio2(flags, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
// Just use the default device.
#if WINRT
string deviceId = null;
#else
const int deviceId = 0;
#endif
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate, deviceId);
MasterVoice.SetVolume(_masterVolume, 0);
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
#if WINRT
Speakers = (Speakers)MasterVoice.ChannelMask;
#else
var deviceDetails = Device.GetDeviceDetails(deviceId);
Speakers = deviceDetails.OutputFormat.ChannelMask;
#endif
}
catch
{
// Release the device and null it as
// we have no audio support.
if (Device != null)
{
Device.Dispose();
Device = null;
}
MasterVoice = null;
}
}
public SoundManager(System.IntPtr handle, short BitsPerSample, short Channels, int SamplesPerSecond)
{
System.AppDomain.CurrentDomain.AssemblyResolve += new System.ResolveEventHandler(CurrentDomain_AssemblyResolve);
SlimDX.Multimedia.WaveFormat format = new SlimDX.Multimedia.WaveFormat();
format.BitsPerSample = BitsPerSample;
format.Channels = Channels;
format.SamplesPerSecond = SamplesPerSecond;
format.BlockAlignment = (short)(format.Channels * format.BitsPerSample / 8);
format.AverageBytesPerSecond = format.SamplesPerSecond * format.BlockAlignment;
//format.FormatTag = WaveFormatTag.Pcm;
format.FormatTag = SlimDX.Multimedia.WaveFormatTag.Pcm;
device = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.AnyProcessor);
device.StartEngine();
masteringVoice = new MasteringVoice(device, Channels, SamplesPerSecond);
sourceVoice = new SourceVoice(device, format, VoiceFlags.None);
//FilterParameters fp = new FilterParameters();
//fp.Frequency = 0.5f;//sourceVoice.FilterParameters.Frequency;
//fp.OneOverQ = 0.5f;//sourceVoice.FilterParameters.OneOverQ;
//fp.Type = FilterType.LowPassFilter;
//sourceVoice.FilterParameters = fp;
//sourceVoice.BufferEnd += new System.EventHandler<ContextEventArgs>(sourceVoice_BufferEnd);
// sourceVoice.StreamEnd += new System.EventHandler(sourceVoice_StreamEnd);
// sourceVoice.BufferStart += new System.EventHandler<ContextEventArgs>(sourceVoice_BufferStart);
// sourceVoice.VoiceError += new EventHandler<ErrorEventArgs>(sourceVoice_VoiceError);
sourceVoice.Volume = 0.5f;
buffer = new AudioBuffer();
buffer.AudioData = new System.IO.MemoryStream();
waveFormat = format;
bytesPerSample = (waveFormat.BitsPerSample / 8) * Channels;
for (int i = 0; i < BUFFER_COUNT; i++)
{
//sampleData[i] = new float[SAMPLE_SIZE * Channels];
sampleData[i] = new short[SAMPLE_SIZE * Channels];
bData[i] = new byte[SAMPLE_SIZE * bytesPerSample];
}
sourceVoice.SubmitSourceBuffer(buffer);
}
public SoundController(string dir)
{
soundsDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, dir);
if (!Directory.Exists(soundsDir))
{
initialized = false;
DebugWindow.LogError("Sounds dir not found, continue working without any sound.");
return;
}
xAudio2 = new XAudio2();
xAudio2.StartEngine();
masteringVoice = new MasteringVoice(xAudio2);
/*var reverb = new Reverb(xAudio2);
* var effectDescriptor = new EffectDescriptor(reverb);
* masteringVoice.SetEffectChain(effectDescriptor);
* masteringVoice.EnableEffect(0);*/
var soundFiles = Directory.GetFiles(soundsDir, "*.wav");
Sounds = new Dictionary <string, MyWave>(soundFiles.Length);
/*
* foreach (var file in soundFiles)
* {
* var fileInfo = new FileInfo(file);
* var soundStream = new SoundStream(File.OpenRead(file));
* var waveFormat = soundStream.Format;
*
* var buffer = new AudioBuffer()
* {
* Stream = soundStream.ToDataStream(), AudioBytes = (int) soundStream.Length, Flags = BufferFlags.EndOfStream
* };
* soundStream.Close();
* Sounds[fileInfo.Name.Split('.').First()] = new MyWave()
* {
* Buffer = buffer, WaveFormat = waveFormat, DecodedPacketsInfo = soundStream.DecodedPacketsInfo
* };
* }
*/
initialized = true;
}
public AudioFx(BaseGame game)
{
Game = game;
Effects = new XAudio2();
Task.Run(() =>
{
Effects.StartEngine();
_effectsVoice = new MasteringVoice(Effects);
_effectsVoice.SetVolume(EffectVolume);
if (!EnableAudio)
{
_effectsVoice.SetVolume(0);
}
});
_effectCues = new List <Cue>();
Music = new XAudio2();
Task.Run(() =>
{
Music.StartEngine();
_musicVoice = new MasteringVoice(Music);
_musicVoice.SetVolume(MusicVolume);
if (!EnableAudio)
{
_musicVoice.SetVolume(0);
}
});
_musicCues = new List <Cue>();
Synth = new XAudio2();
Task.Run(() =>
{
Synth.StartEngine();
_synthVoice = new MasteringVoice(Synth);
_synthVoice.SetVolume(SynthVolume);
if (!EnableAudio)
{
_synthVoice.SetVolume(0);
}
});
_musicCues = new List <Cue>();
_speechSynthesizer = new SpeechSynthesizer();
}
internal static void InitializeSoundEffect()
{
try
{
if (Device == null)
{
{
Device = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
}
}
// Just use the default device.
//string deviceId = null;
if (MasterVoice == null)
{
// Let windows autodetect number of channels and sample rate.
MasterVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate);
}
// The autodetected value of MasterVoice.ChannelMask corresponds to the speaker layout.
//Speakers = (Speakers)MasterVoice.ChannelMask;
Speakers = SharpDX.Multimedia.Speakers.Stereo;
}
catch
{
// Release the device and null it as
// we have no audio support.
if (Device != null)
{
Device.Dispose();
Device = null;
}
MasterVoice = null;
}
}
public BrowserForm()
{
InitializeComponent();
var examples = new Folder {
Text = "Examples", Path = @"..\..\Examples"
};
treeView.Nodes.Add(examples);
Audio = new XAudio2();
Audio.StartEngine();
Master = new MasteringVoice(Audio);
var format = new WaveFormat(32000, 16, 1);
Voice = new SourceVoice(Audio, format, VoiceFlags.None, 4.0f);
Voice.BufferEnd += Voice_BufferEnd;
Voice.Start();
}
public void PlayPPM(IntPtr win)
{
Rate = 192000; //44100 on cheapo, 96000 on AC97, 192000 on HD Audio
// its the number of samples that exist for each second of audio
channels = 2; // 1 = mono, 2 = stereo
PPMSamples = (int)(0.0225 * Rate * channels); // 22 or 22.5ms in samples, rounded up
// no. of bytes per second = channels * rate * bytes in one sample
microsec = Rate / 10000.0; // 192 = 1ms, 19.2 = 0.1ms or 1mis @ 192khz
PPMchannels = new Dictionary<int, double>();
frame = new List<short>();
Amplitude = 32760;
/*WaveFile wFile;
wFile = new WaveFile(channels, 16, Rate);
*/
//Set channels to neutral except throttle, throttle = zero.
PPMchannels.Add(1, 10.0); //Throttle
PPMchannels.Add(2, 50.0); //Ailerons
PPMchannels.Add(3, 50.0); //Stab
PPMchannels.Add(4, 50.0); //Rudder
PPMchannels.Add(5, 50.0);
PPMchannels.Add(6, 50.0);
PPMchannels.Add(7, 50.0);
PPMchannels.Add(8, 50.0);
byte[] data = GenPPM();
/*wFile.SetData(data, data.Length);
wFile.WriteFile(@"C:\Users\kang\Desktop\test.wav");
*/
ms = new MemoryStream();
ms.SetLength(0);
ms.Write(data, 0, data.Length);
ms.Position = 0;
wf = new WaveFormat();
wf.FormatTag = WaveFormatTag.Pcm;
wf.BitsPerSample = (short)16;
wf.Channels = channels;
wf.SamplesPerSecond = Rate;
wf.BlockAlignment = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlignment;
device = new XAudio2();
device.StartEngine();
masteringVoice = new MasteringVoice(device);
srcVoice = new SourceVoice(device, wf);
buffer = new AudioBuffer();
buffer.AudioData = ms;
buffer.AudioBytes = (int)data.Length;
buffer.Flags = SlimDX.XAudio2.BufferFlags.None;
srcVoice.BufferStart += new EventHandler<ContextEventArgs>(srcVoice_BufferStart);
srcVoice.FrequencyRatio = 1;
srcVoice.SubmitSourceBuffer(buffer);
srcVoice.Start();
}
public static void Main(string[] args)
{
xaudio2 = new XAudio2();
xaudio2.StartEngine();
var masteringVoice = new MasteringVoice(xaudio2);
if (!string.IsNullOrEmpty(Properties.Settings.Default.BackgroundMusicPath) &&
Directory.Exists(Properties.Settings.Default.BackgroundMusicPath))
{
var musicFiles = Directory.GetFiles(Properties.Settings.Default.BackgroundMusicPath, "*.wav");
if (musicFiles.Length > 0)
{
backgroundPlayer = new TrackPlayer(xaudio2, musicFiles);
}
}
var listener = new UdpClient(10009);
listener.BeginReceive(new AsyncCallback(ReceiveCallback), listener);
effectManager = new EffectManager(xaudio2, 4, Properties.Settings.Default.FXPath);
// Wait until its done
int count = 1;
while (true)
{
Thread.Sleep(10);
if (Console.KeyAvailable)
{
var key = Console.ReadKey();
if (key.Key == ConsoleKey.Escape)
{
break;
}
switch (key.Key)
{
case ConsoleKey.A:
effectManager.Play("Scream.wav");
break;
case ConsoleKey.B:
effectManager.Play("Violin screech.wav");
break;
case ConsoleKey.N:
if (backgroundPlayer != null)
{
backgroundPlayer.NextTrack();
}
break;
case ConsoleKey.V:
if (key.Modifiers.HasFlag(ConsoleModifiers.Shift))
{
backgroundVolume -= 0.1f;
}
else
{
backgroundVolume += 0.1f;
}
if (backgroundVolume < 0f)
{
backgroundVolume = 0f;
}
if (backgroundVolume > 1f)
{
backgroundVolume = 1f;
}
break;
}
}
var muteMusic = effectManager.AreAnyPlaying && autoMuteBackground ? 0.2f : 0f;
if (backgroundPlayer != null)
{
backgroundPlayer.Volume = backgroundVolume - muteMusic;
}
if (count % 50 == 0)
{
Console.Write(".");
Console.Out.Flush();
}
Thread.Sleep(10);
count++;
}
listener.Close();
if (backgroundPlayer != null)
{
backgroundPlayer.Stop();
}
if (trackPlayer != null)
{
trackPlayer.Stop();
}
effectManager.Dispose();
Thread.Sleep(500);
masteringVoice.Dispose();
xaudio2.StopEngine();
xaudio2.Dispose();
}
/// <summary>
/// Initializes XAudio2 and MasteringVoice. And registers itself as an <see cref="IContentReaderFactory"/>
/// </summary>
/// <exception cref="InvalidOperationException">Is thrown when the IContentManager is not an instance of <see cref="ContentManager"/>.</exception>
/// <exception cref="AudioException">Is thrown when the <see cref="AudioManager"/> instance could not be initialized (either due to unsupported features or missing audio-device).</exception>
public override void Initialize()
{
base.Initialize();
contentManager = Content as ContentManager;
if (contentManager == null)
{
throw new InvalidOperationException("Unable to initialize AudioManager. Expecting IContentManager to be an instance of ContentManager");
}
try
{
#if DEBUG && !WIN8METRO && !WP8 && !DIRECTX11_1
try
{
// "XAudio2Flags.DebugEngine" is supported only in XAudio 2.7, but not in newer versions
// msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.xaudio2.xaudio2create(v=vs.85).aspx
Device = new XAudio2(XAudio2Flags.DebugEngine, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
}
catch (Exception)
#endif
{
Device = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.DefaultProcessor);
Device.StartEngine();
}
}
catch (SharpDXException ex)
{
DisposeCore();
throw new AudioException("Error creating XAudio device.", ex);
}
#if !W8CORE && !DIRECTX11_1
if (Device.DeviceCount == 0)
{
DisposeCore();
throw new AudioException("No default audio devices detected.");
}
#endif
#if W8CORE || DIRECTX11_1
string deviceId = null;
#else
const int deviceId = 0;
#endif
try
{
MasteringVoice = new MasteringVoice(Device, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate, deviceId);
}
catch (SharpDXException ex)
{
DisposeCore();
#if W8CORE
if (ex.ResultCode == AudioManager.NotFound)
{
throw new AudioException("No default audio devices detected.");
}
else
#endif
{
throw new AudioException("Error creating mastering voice.", ex);
}
}
MasteringVoice.SetVolume(masterVolume);
#if W8CORE || DIRECTX11_1
Speakers = (Speakers)MasteringVoice.ChannelMask;
#else
var deviceDetails = Device.GetDeviceDetails(deviceId);
Speakers = deviceDetails.OutputFormat.ChannelMask;
#endif
if (IsMasteringLimiterEnabled)
{
try
{
CreateMasteringLimitier();
}
catch (Exception)
{
DisposeCore();
throw;
}
}
if (IsSpatialAudioEnabled)
{
try
{
x3DAudio = new X3DAudio(Speakers, speedOfSound);
}
catch (Exception)
{
DisposeCore();
throw;
}
}
if (IsReverbEffectEnabled)
{
try
{
CreateReverbSubmixVoice();
}
catch (Exception)
{
DisposeCore();
throw;
}
}
contentManager.ReaderFactories.Add(new AudioContentReaderFactory());
}
private void Initialize(string SoundDeviceName, int maxVoicesNbr)
{
//Default Xaudio2 objects ==========
_xaudio2 = ToDispose(new XAudio2());
if (SoundDeviceName == null)
{
_deviceDetail = _xaudio2.GetDeviceDetails(0);
}
_soundDevices = new List <string>();
int customDeviceId = 0;
//Get all sound devices
for (int i = 0; i < _xaudio2.DeviceCount; i++)
{
_soundDevices.Add(_xaudio2.GetDeviceDetails(i).DisplayName);
if (SoundDeviceName == _xaudio2.GetDeviceDetails(i).DisplayName)
{
_deviceDetail = _xaudio2.GetDeviceDetails(i);
customDeviceId = i;
}
}
logger.Info("s33m3 sound engine started for device : " + _deviceDetail.DisplayName);
_x3DAudio = new X3DAudio(_deviceDetail.OutputFormat.ChannelMask);
if (SoundDeviceName == null)
{
_masteringVoice = ToDispose(new MasteringVoice(_xaudio2, XAudio2.DefaultChannels, XAudio2.DefaultSampleRate, 0));
}
else
{
_masteringVoice = ToDispose(new MasteringVoice(_xaudio2, _deviceDetail.OutputFormat.Channels, _deviceDetail.OutputFormat.SampleRate, customDeviceId));
}
//Default state values =============
_maxVoicePoolPerFileType = maxVoicesNbr;
_soundDataSources = new Dictionary <string, ISoundDataSource>();
_soundVoices = new Dictionary <int, ISoundVoice[]>();
_soundProcessingQueue = new List <ISoundVoice>();
_listener = new Listener();
//Start Sound voice processing thread
_syncro = new ManualResetEvent(false);
_d3dEngine.RunningThreadedWork.Add("SoundEngine");
_d3dEngine.OnShuttingDown += d3dEngine_OnShuttingDown;
_thread = new Thread(DataSoundPocessingAsync)
{
Name = "SoundEngine"
}; //Start the main loop
_stopThreading = false;
_thread.Start();
GeneralSoundVolume = 1.0f;
GlobalMusicVolume = 1;
GlobalFXVolume = 1;
_xaudio2.StartEngine();
}
static void Main(string[] args)
{
Keys = BassKeys;
KeyNotes = BassKeyNotes;
KeyOctaves = BassKeyOctaves;
var devices = Midi.midiInGetNumDevs();
var deviceHandle = IntPtr.Zero;
var deviceCaps = new Midi.MidiInCaps();
for (var device = 0U; device < devices; device++)
{
Midi.midiInOpen(out deviceHandle, device, MidiProc, IntPtr.Zero, Midi.CALLBACK_FUNCTION);
Midi.midiInGetDevCaps(deviceHandle, ref deviceCaps, (uint)Marshal.SizeOf(deviceCaps));
Console.WriteLine(deviceCaps.name);
Midi.midiInStart(deviceHandle);
}
var input = new DirectInput();
var keyboard = new Keyboard(input);
keyboard.Acquire();
var audio = new XAudio2();
audio.StartEngine();
var master = new MasteringVoice(audio);
var format = new WaveFormat(44100, 16, 1);
var source = new SourceVoice(audio, format);
BufferEnd = new AutoResetEvent(false);
source.BufferEnd += Source_BufferEnd;
source.Start();
var buffers = new AudioBuffer[2];
var pointers = new DataPointer[buffers.Length];
for (int buffer = 0; buffer < buffers.Length; buffer++)
{
pointers[buffer] = new DataPointer(Utilities.AllocateClearedMemory(1024), 1024);
buffers[buffer] = new AudioBuffer(pointers[buffer]);
source.SubmitSourceBuffer(buffers[buffer], null);
}
var index = 0;
var data = new byte[1024];
var time = 0.0;
var keyboardState = new KeyboardState();
while (true)
{
BufferEnd.WaitOne();
keyboard.GetCurrentState(ref keyboardState);
for (int x = 0; x < data.Length; x += 2)
{
var delta = 1.0 / format.SampleRate;
var value = 0d;
var count = 0;
for (var note = 24; note < MidiNotes.Length; note++)
{
MidiNotes[note] = false;
}
for (var key = 0; key < Keys.Length; key++)
{
var noteIndex = 24 + (KeyOctaves[key] * 12) + KeyNotes[key];
if (keyboardState.IsPressed(Keys[key]))
{
MidiNotes[noteIndex] = true;
MidiVelocity[noteIndex] = 1.0f;
}
}
for (var note = 24; note < MidiNotes.Length; note++)
{
if (MidiNotes[note])
{
if (NoteVelocity[note] >= 1.0 - (Attack * delta))
{
NoteVelocity[note] = 1.0f;
}
else
{
NoteVelocity[note] += (Attack * delta);
}
}
else
{
if (NoteVelocity[note] <= (Release * delta))
{
NoteVelocity[note] = 0.0f;
}
else
{
NoteVelocity[note] -= (Release * delta);
}
}
}
for (var octave = 0; octave < 8; octave++)
{
for (var note = 0; note < 12; note++)
{
var noteIndex = 24 + (octave * 12) + note;
if (NoteVelocity[noteIndex] != 0.0)
{
value += Waves.Sine(time, Notes[note] * MidiOctaves[octave], 0.0) * MidiVelocity[noteIndex] * NoteVelocity[noteIndex];
//value += Waves.Square(time, Notes[note] * MidiOctaves[octave], 0.0) * MidiVelocity[noteIndex] * NoteVelocity[noteIndex];
//value += Waves.Triangle(time, Notes[note] * MidiOctaves[octave], 0.0) * MidiVelocity[noteIndex] * NoteVelocity[noteIndex];
value += Waves.Sawtooth(time, Notes[note] * MidiOctaves[octave], 0.0) * MidiVelocity[noteIndex] * NoteVelocity[noteIndex];
count++;
}
}
}
var value2 = (short)((value / 10.0) * short.MaxValue);
data[x] = (byte)(value2 & 0xff);
data[x + 1] = (byte)(value2 >> 8);
time += delta;
}
pointers[index].CopyFrom(data);
source.SubmitSourceBuffer(buffers[index], null);
index++;
if (index == buffers.Length)
{
index = 0;
}
}
}
void OpenDevice()
{
try
{
// 相关内容已在Version28中移除，但仍建议保留这块代码，请优先选择XAudio2
// 详见 https://docs.microsoft.com/en-us/windows/win32/xaudio2/xaudio2-versions
_xaudio2 = new XAudio2(XAudio2Version.Version27);
for (int i = 0; i < _xaudio2.DeviceCount; i++)
{
DeviceDetails device = _xaudio2.GetDeviceDetails(i);
if (device.Role == DeviceRole.GlobalDefaultDevice)
{
_dev = device.DeviceID;
break;
}
}
_xaudio2.Dispose();
}
catch
{
var enumerator = new MMDeviceEnumerator();
var device = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
_dev = device?.ID;
}
Debug.Assert(_xaudio2 == null || _xaudio2.IsDisposed);// 如果不是可能会导致内存溢出
if (_dev == null)
{
// 在CreateMasteringVoice时将szDeviceId指定默认值NULL会使XAudio2选择全局默认音频设备
// 由于之前我们已经主动获取设备ID了，为了避免出现意外情况，这里直接抛错就行了
throw new NotSupportedException("没有扬声器");
}
_xaudio2 = new XAudio2(XAudio2Flags.None, ProcessorSpecifier.DefaultProcessor);
/*
* We use XAUDIO2_DEFAULT_CHANNELS instead of _channels. On
* Xbox360, this means 5.1 output, but on Windows, it means "figure out
* what the system has." It might be preferable to let XAudio2 blast
* stereo output to appropriate surround sound configurations
* instead of clamping to 2 channels, even though we'll configure the
* Source Voice for whatever number of channels you supply.
*/
_masteringVoice = new MasteringVoice(_xaudio2, XAUDIO2_DEFAULT_CHANNELS, _sampleRate, _dev);
_waveFormat = new WaveFormatEx(SDL_AudioFormat.F32, _channels, _sampleRate);
_sourceVoice = new SourceVoice(_xaudio2
, _waveFormat
, VoiceFlags.NoSampleRateConversion | VoiceFlags.NoPitch
, 1.0f
//, Callbacks.Instance);
, true);
_sourceVoice.BufferEnd += OnBufferEnd;
_sourceVoice.VoiceError += OnVoiceError;
_bufferSize = _waveFormat.BlockAlign * _samples;
//_hidden.handle = GCHandle.Alloc(this);
//_hidden.device = GCHandle.ToIntPtr(_hidden.handle);
_hidden.semaphore = new Semaphore(1, 1);
// We feed a Source, it feeds the Mastering, which feeds the device.
_hidden.mixlen = _bufferSize;
_hidden.mixbuf = (byte *)Marshal.AllocHGlobal(2 * _hidden.mixlen);
_hidden.nextbuf = _hidden.mixbuf;
Native.SetMemory(_hidden.mixbuf, _waveFormat.Silence, (size_t)(2 * _hidden.mixlen));
// Pre-allocate buffers
_hidden.audioBuffersRing = new AudioBuffer[2];
for (int i = 0; i < _hidden.audioBuffersRing.Length; i++)
{
_hidden.audioBuffersRing[i] = new AudioBuffer();
}
// Start everything playing!
_xaudio2.StartEngine();
_sourceVoice.Start(XAUDIO2_COMMIT_NOW);
}
