Example #1
0
 /// <summary>
 /// Adds the wave to the source voices and starts playing it.
 /// </summary>
 /// <param name="wave">The wave.</param>
 public void AddSound(Wave wave)
 {
     SourceVoice source = new SourceVoice(audio, wave.Data.Format);
     source.Start();
     source.SubmitSourceBuffer(wave.Buffer);
     sources.Add(source);
 }
Example #2
0
        static void PlayPCM(XAudio2 device, string fileName)
        {
            //WaveStream stream = new WaveStream(fileName);
            var s = System.IO.File.OpenRead(fileName);
            WaveStream stream = new WaveStream(s);
            s.Close();

            AudioBuffer buffer = new AudioBuffer();
            buffer.AudioData = stream;
            buffer.AudioBytes = (int)stream.Length;
            buffer.Flags = BufferFlags.EndOfStream;

            SourceVoice sourceVoice = new SourceVoice(device, stream.Format);
            sourceVoice.SubmitSourceBuffer(buffer);
            sourceVoice.Start();

            // loop until the sound is done playing
            while (sourceVoice.State.BuffersQueued > 0)
            {
                if (GetAsyncKeyState(VK_ESCAPE) != 0)
                    break;

                Thread.Sleep(10);
            }

            // wait until the escape key is released
            while (GetAsyncKeyState(VK_ESCAPE) != 0)
                Thread.Sleep(10);

            // cleanup the voice
            buffer.Dispose();
            sourceVoice.Dispose();
            stream.Dispose();
        }
Example #3
0
 /// <summary>
 /// Plays the audio.
 /// </summary>
 /// <param name="stop">If true, will stop the sound and return its position to 0 before playing it. Passing false will have the effect of resuming the sound from the last position it was stopped at.</param>
 /// <param name="loop">Whether or not to loop the sound.</param>
 public void play(bool stop, bool loop)
 {
     this.looping           = loop;
     isInitializingPlayback = true;
     if (loop)
     {
         buffer.LoopCount = AudioBuffer.LoopInfinite;
     }
     // We'll start the buffer from the beginning if we've never played this buffer before so that the sound can be loaded.
     // Otherwise, the sound might start from a random position in the buffer.
     if (stop || hasNeverPlayed)
     {
         hasNeverPlayed = false;
         voice.Stop();
         voice.FlushSourceBuffers();
         buffer.Stream.Position = 0;
         voice.SubmitSourceBuffer(buffer, null);
     }
     voice.Start();
     isStopped = false;
     isInitializingPlayback = false;
 }
Example #4
0
        public void StartSound()
        {
            BufferSizeSamples = Sound.MillisecondsToSamples(GlobalWin.Config.SoundBufferSizeMs);
            MaxSamplesDeficit = BufferSizeSamples;

            var format = new WaveFormat
            {
                SamplesPerSecond      = Sound.SampleRate,
                BitsPerSample         = Sound.BytesPerSample * 8,
                Channels              = Sound.ChannelCount,
                FormatTag             = WaveFormatTag.Pcm,
                BlockAlignment        = Sound.BlockAlign,
                AverageBytesPerSecond = Sound.SampleRate * Sound.BlockAlign
            };

            _sourceVoice = new SourceVoice(_device, format);

            _bufferPool           = new BufferPool();
            _runningSamplesQueued = 0;

            _sourceVoice.Start();
        }
Example #5
0
        public static void PlayXAudioSound(object soundFile)
        {
            try
            {
                xaudio2        = new XAudio2();
                masteringVoice = new MasteringVoice(xaudio2);

                var stream     = new SoundStream(File.OpenRead(soundFile as string));
                var waveFormat = stream.Format;
                buffer = new AudioBuffer
                {
                    Stream     = stream.ToDataStream(),
                    AudioBytes = (int)stream.Length,
                    Flags      = BufferFlags.EndOfStream
                };
                stream.Close();

                sourceVoice = new SourceVoice(xaudio2, waveFormat, true);
                sourceVoice.SubmitSourceBuffer(buffer, stream.DecodedPacketsInfo);
                sourceVoice.Start();

                while (sourceVoice.State.BuffersQueued > 0)
                {
                    Thread.Sleep(1);
                }

                sourceVoice.DestroyVoice();
                sourceVoice.Dispose();
                sourceVoice = null;
                buffer.Stream.Dispose();

                xaudio2.Dispose();
                masteringVoice.Dispose();
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }
Example #6
0
 public void Reset()
 {
     if (sVoice != null)
     {
         sVoice.Stop();
         sVoice.Dispose();
     }
     if (audioWriter != null)
     {
         audioWriter.Close();
     }
     if (audioBuffer != null)
     {
         audioBuffer.Dispose();
     }
     sVoice                = new SourceVoice(device, audioFormat, VoiceFlags.None);
     audioBuffer           = new AudioBuffer();
     audioBuffer.AudioData = new MemoryStream();
     audioWriter           = new BinaryWriter(audioBuffer.AudioData);
     mVoice.Volume         = volume;
     sVoice.Start();
 }
Example #7
0
		public void StartSound()
		{
			BufferSizeSamples = Sound.MillisecondsToSamples(Global.Config.SoundBufferSizeMs);
			MaxSamplesDeficit = BufferSizeSamples;

			var format = new WaveFormat
				{
					SamplesPerSecond = Sound.SampleRate,
					BitsPerSample = Sound.BytesPerSample * 8,
					Channels = Sound.ChannelCount,
					FormatTag = WaveFormatTag.Pcm,
					BlockAlignment = Sound.BlockAlign,
					AverageBytesPerSecond = Sound.SampleRate * Sound.BlockAlign
				};

			_sourceVoice = new SourceVoice(_device, format);

			_bufferPool = new BufferPool();
			_runningSamplesQueued = 0;

			_sourceVoice.Start();
		}
Example #8
0
        public void QueueDataBlock(short[] buffer, int length, int sampleRate)
        {
            // Initialize source if it's null
            if (source == null)
            {
                var fmt = new WaveFormat
                {
                    SamplesPerSecond      = sampleRate,
                    BitsPerSample         = BITS_PER_SAMPLE,
                    AverageBytesPerSecond = sampleRate * BYTES_PER_SAMPLE,
                    Channels       = NUM_CHANNELS,
                    BlockAlignment = BLOCK_ALIGN,
                    FormatTag      = WaveFormatTag.Pcm
                };
                source = new SourceVoice(device, fmt);
            }

            // Copy the samples to a stream
            using (var ms = new MemoryStream(length * BYTES_PER_SAMPLE))
            {
                using (var writer = new BinaryWriter(ms, Encoding.Default, true))
                {
                    for (int i = 0; i < length; i++)
                    {
                        writer.Write(buffer[i]);
                    }
                    writer.Flush();
                }
                ms.Position = 0;

                // Queue the buffer
                source.SubmitSourceBuffer(new AudioBuffer {
                    AudioData = ms, AudioBytes = length * BYTES_PER_SAMPLE
                });
            }

            // Make sure it's playing
            source.Start();
        }
Example #9
0
        void SoundPlayerThread()
        {
            Globals.bPlaySignal = true;

            WaveMemStream = new MemoryStream(WaveDaten);

            WaveBuffer           = new AudioBuffer();
            WaveBuffer.Flags     = BufferFlags.EndOfStream;
            WaveBuffer.AudioData = WaveMemStream;
            // WaveBuffer.AudioBytes = clGlobals.BytesProSekunde;
            WaveBuffer.AudioBytes = (int)WaveMemStream.Length;
            WaveBuffer.LoopCount  = XAudio2.LoopInfinite;

            WaveSourceVoice = new SourceVoice(AudioDevice, SignalFormat);
            WaveSourceVoice.SubmitSourceBuffer(WaveBuffer);

            WaveSourceVoice.Start();

            while (Globals.bPlaySignal)
            {
                Thread.Sleep(10);
            }

            WaveSourceVoice.Stop();
            Thread.Sleep(10);
            WaveMemStream.Close();
            WaveMemStream.Dispose();
            WaveMemStream = null;
            WaveBuffer.Dispose();
            WaveBuffer = null;
            WaveSourceVoice.Dispose();
            WaveSourceVoice = null;
            // Thread.Sleep(100);
            soundThreadStart = null;
            // this.ClearWaveContainer();
            // this.InitWaveContainer();
            this.m_soundThread.Abort();
        }
Example #10
0
        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();
        }
Example #11
0
        public void Play()
        {
            if (!IsPlaying)
            {
                IsPlaying = true;
                if (!Loaded)
                {
                    Load();
                }

                if (!Background)
                {
                    m_PlaySync.Reset();
                }

                m_Audio.SubmitSourceBuffer(m_AudioBuffer, m_SoundStream.DecodedPacketsInfo);
                m_Audio.Start();
                if (!Background)
                {
                    m_PlaySync.Wait();
                }
            }
        }
Example #12
0
        public void Start()
        {
            Debug.Assert(sourceVoice == null);

            sourceVoice            = new SourceVoice(xaudio2, waveFormat);
            sourceVoice.BufferEnd += SourceVoice_BufferEnd;
            sourceVoice.Start();

            quitEvent.Reset();

            try
            {
                while (true)
                {
                    bufferSemaphore.Release();
                }
            }
            catch (SemaphoreFullException)
            {
            }

            playingTask = Task.Factory.StartNew(PlayAsync, TaskCreationOptions.LongRunning);
        }
Example #13
0
        public void Generate()
        {
            var xaudio2        = new XAudio2();
            var masteringVoice = new MasteringVoice(xaudio2);

            var waveFormat  = new WaveFormat(44100, 32, 2);
            var sourceVoice = new SourceVoice(xaudio2, waveFormat);

            int bufferSize = waveFormat.ConvertLatencyToByteSize(60000);
            var dataStream = new DataStream(bufferSize, true, true);

            int numberOfSamples = bufferSize / waveFormat.BlockAlign;

            for (int i = 0; i < numberOfSamples; i++)
            {
                float value = (float)(Math.Cos(2 * Math.PI * (220.0 + 4.0) * i / waveFormat.SampleRate) * 0.5);
                dataStream.Write(value);
                dataStream.Write(value);
            }
            dataStream.Position = 0;

            var audioBuffer = new AudioBuffer {
                Stream = dataStream, Flags = BufferFlags.EndOfStream, AudioBytes = bufferSize
            };

            sourceVoice.SubmitSourceBuffer(audioBuffer, null);

            sourceVoice.Start();

            Console.WriteLine("Play sound");
            for (int i = 0; i < 60; i++)
            {
                Console.Write(".");
                Console.Out.Flush();
                Thread.Sleep(1000);
            }
        }
 internal override void PlayImpl()
 {
     SourceVoice.Start();
 }
Example #15
0
        static void Main()
        {
            var initError = EVRInitError.None;

            system = OpenVR.Init(ref initError);

            if (initError != EVRInitError.None)
            {
                return;
            }

            compositor = OpenVR.Compositor;

            compositor.CompositorBringToFront();
            compositor.FadeGrid(5.0f, false);

            count = OpenVR.k_unMaxTrackedDeviceCount;

            currentPoses = new TrackedDevicePose_t[count];
            nextPoses    = new TrackedDevicePose_t[count];

            controllers                    = new List <uint>();
            controllerModels               = new RenderModel_t[count];
            controllerTextures             = new RenderModel_TextureMap_t[count];
            controllerTextureViews         = new ShaderResourceView[count];
            controllerVertexBuffers        = new SharpDX.Direct3D11.Buffer[count];
            controllerIndexBuffers         = new SharpDX.Direct3D11.Buffer[count];
            controllerVertexBufferBindings = new VertexBufferBinding[count];
            controllerEmitters             = new Emitter[count];
            controllerVoices               = new SourceVoice[count];

            for (uint device = 0; device < count; device++)
            {
                var deviceClass = system.GetTrackedDeviceClass(device);

                switch (deviceClass)
                {
                case ETrackedDeviceClass.HMD:
                    headset = device;
                    break;

                case ETrackedDeviceClass.Controller:
                    controllers.Add(device);
                    break;
                }
            }

            uint width  = 0;
            uint height = 0;

            system.GetRecommendedRenderTargetSize(ref width, ref height);

            headsetSize = new Size((int)width, (int)height);
            windowSize  = new Size(960, 540);

            var leftEyeProjection  = Convert(system.GetProjectionMatrix(EVREye.Eye_Left, 0.01f, 1000.0f));
            var rightEyeProjection = Convert(system.GetProjectionMatrix(EVREye.Eye_Right, 0.01f, 1000.0f));

            var leftEyeView  = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Left));
            var rightEyeView = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Right));

            foreach (var controller in controllers)
            {
                var modelName     = new StringBuilder(255, 255);
                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                {
                    var modelName2 = modelName.ToString();

                    while (true)
                    {
                        var pointer    = IntPtr.Zero;
                        var modelError = EVRRenderModelError.None;

                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                        if (modelError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (modelError == EVRRenderModelError.None)
                        {
                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                            controllerModels[controller] = renderModel;
                            break;
                        }
                    }

                    while (true)
                    {
                        var pointer      = IntPtr.Zero;
                        var textureError = EVRRenderModelError.None;

                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                        if (textureError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (textureError == EVRRenderModelError.None)
                        {
                            var texture = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                            controllerTextures[controller] = texture;
                            break;
                        }
                    }
                }
            }

            int adapterIndex = 0;

            system.GetDXGIOutputInfo(ref adapterIndex);

            using (var form = new Form())
                using (var factory = new Factory4())
                {
                    form.ClientSize = windowSize;

                    var adapter = factory.GetAdapter(adapterIndex);

                    var swapChainDescription = new SwapChainDescription
                    {
                        BufferCount     = 1,
                        Flags           = SwapChainFlags.None,
                        IsWindowed      = true,
                        ModeDescription = new ModeDescription
                        {
                            Format      = Format.B8G8R8A8_UNorm,
                            Width       = form.ClientSize.Width,
                            Height      = form.ClientSize.Height,
                            RefreshRate = new Rational(60, 1)
                        },
                        OutputHandle      = form.Handle,
                        SampleDescription = new SampleDescription(1, 0),
                        SwapEffect        = SwapEffect.Discard,
                        Usage             = Usage.RenderTargetOutput
                    };

                    SharpDX.Direct3D11.Device.CreateWithSwapChain(adapter, DeviceCreationFlags.None, swapChainDescription, out device, out swapChain);

                    factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.None);

                    context = device.ImmediateContext;

                    using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                        backBufferView = new RenderTargetView(device, backBuffer);

                    var depthBufferDescription = new Texture2DDescription
                    {
                        Format            = Format.D16_UNorm,
                        ArraySize         = 1,
                        MipLevels         = 1,
                        Width             = form.ClientSize.Width,
                        Height            = form.ClientSize.Height,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default,
                        BindFlags         = BindFlags.DepthStencil,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        OptionFlags       = ResourceOptionFlags.None
                    };

                    using (var depthBuffer = new Texture2D(device, depthBufferDescription))
                        depthStencilView = new DepthStencilView(device, depthBuffer);

                    // Create Eye Textures
                    var eyeTextureDescription = new Texture2DDescription
                    {
                        ArraySize         = 1,
                        BindFlags         = BindFlags.RenderTarget,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        Format            = Format.B8G8R8A8_UNorm,
                        Width             = headsetSize.Width,
                        Height            = headsetSize.Height,
                        MipLevels         = 1,
                        OptionFlags       = ResourceOptionFlags.None,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default
                    };

                    var leftEyeTexture  = new Texture2D(device, eyeTextureDescription);
                    var rightEyeTexture = new Texture2D(device, eyeTextureDescription);

                    var leftEyeTextureView  = new RenderTargetView(device, leftEyeTexture);
                    var rightEyeTextureView = new RenderTargetView(device, rightEyeTexture);

                    // Create Eye Depth Buffer
                    eyeTextureDescription.BindFlags = BindFlags.DepthStencil;
                    eyeTextureDescription.Format    = Format.D32_Float;

                    var eyeDepth     = new Texture2D(device, eyeTextureDescription);
                    var eyeDepthView = new DepthStencilView(device, eyeDepth);

                    Shapes.Cube.Load(device);
                    Shapes.Sphere.Load(device);
                    Shaders.Load(device);

                    // Load Controller Models
                    foreach (var controller in controllers)
                    {
                        var model = controllerModels[controller];

                        controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.VertexBuffer,
                            SizeInBytes = (int)model.unVertexCount * 32
                        });

                        controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                        controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.IndexBuffer,
                            SizeInBytes = (int)model.unTriangleCount * 3 * 2
                        });

                        var texture = controllerTextures[controller];

                        using (var texture2d = new Texture2D(device, new Texture2DDescription
                        {
                            ArraySize = 1,
                            BindFlags = BindFlags.ShaderResource,
                            Format = Format.R8G8B8A8_UNorm,
                            Width = texture.unWidth,
                            Height = texture.unHeight,
                            MipLevels = 1,
                            SampleDescription = new SampleDescription(1, 0)
                        }, new DataRectangle(texture.rubTextureMapData, texture.unWidth * 4)))
                            controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);
                    }

                    var controllerVertexShaderByteCode = SharpDX.D3DCompiler.ShaderBytecode.Compile(Properties.Resources.NormalTextureShader, "VS", "vs_5_0");
                    controllerVertexShader = new VertexShader(device, controllerVertexShaderByteCode);
                    controllerPixelShader  = new PixelShader(device, SharpDX.D3DCompiler.ShaderBytecode.Compile(Properties.Resources.NormalTextureShader, "PS", "ps_5_0"));

                    var controllerLayout = new InputLayout(device, SharpDX.D3DCompiler.ShaderSignature.GetInputSignature(controllerVertexShaderByteCode), new InputElement[]
                    {
                        new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                        new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
                        new InputElement("TEXCOORD", 0, Format.R32G32_Float, 24, 0)
                    });

                    worldViewProjectionBuffer = new SharpDX.Direct3D11.Buffer(device, Utilities.SizeOf <Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);

                    var rasterizerStateDescription = RasterizerStateDescription.Default();
                    //rasterizerStateDescription.FillMode = FillMode.Wireframe;
                    rasterizerStateDescription.IsFrontCounterClockwise = true;
                    //rasterizerStateDescription.CullMode = CullMode.None;

                    rasterizerState = new RasterizerState(device, rasterizerStateDescription);

                    var blendStateDescription = BlendStateDescription.Default();

                    blendStateDescription.RenderTarget[0].BlendOperation   = BlendOperation.Add;
                    blendStateDescription.RenderTarget[0].SourceBlend      = BlendOption.SourceAlpha;
                    blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;

                    blendStateDescription.RenderTarget[0].IsBlendEnabled = false;

                    blendState = new BlendState(device, blendStateDescription);

                    var depthStateDescription = DepthStencilStateDescription.Default();

                    depthStateDescription.DepthComparison  = Comparison.LessEqual;
                    depthStateDescription.IsDepthEnabled   = true;
                    depthStateDescription.IsStencilEnabled = false;

                    depthStencilState = new DepthStencilState(device, depthStateDescription);

                    var samplerStateDescription = SamplerStateDescription.Default();

                    samplerStateDescription.Filter   = Filter.MinMagMipLinear;
                    samplerStateDescription.AddressU = TextureAddressMode.Wrap;
                    samplerStateDescription.AddressV = TextureAddressMode.Wrap;

                    samplerState = new SamplerState(device, samplerStateDescription);

                    startTime  = DateTime.Now;
                    frame      = 0;
                    windowSize = form.ClientSize;

                    backgroundColor = new RawColor4(0.1f, 0.1f, 0.1f, 1);

                    var vrEvent   = new VREvent_t();
                    var eventSize = (uint)Utilities.SizeOf <VREvent_t>();

                    head = Matrix.Identity;

                    // Initialize Audio
                    audio = new XAudio2();
                    var voice = new MasteringVoice(audio);
                    audio3d = new X3DAudio(Speakers.Stereo);

                    foreach (var controller in controllers)
                    {
                        controllerEmitters[controller] = new Emitter
                        {
                            ChannelCount        = 1,
                            CurveDistanceScaler = 0.15f,
                            OrientFront         = Vector3.ForwardLH,
                            OrientTop           = Vector3.Up,
                            Position            = new Vector3(0, 0, 1000),
                            //Velocity = Vector3.Zero
                        };
                    }

                    listener = new Listener
                    {
                        OrientFront = Vector3.ForwardLH,
                        OrientTop   = Vector3.Up,
                        Position    = new Vector3(0, 0, 1000)
                    };

                    var audioFormat = new WaveFormat(44100, 32, 1);
                    //var audioSource = new SourceVoice(audio, audioFormat);
                    var audioBufferSize = audioFormat.ConvertLatencyToByteSize(1000);
                    var audioStream     = new DataStream(audioBufferSize, true, true);
                    var audioSamples    = audioBufferSize / audioFormat.BlockAlign;

                    var random = new Random();

                    for (var sample = 0; sample < audioSamples; sample++)
                    {
                        audioStream.Write((float)random.NextFloat(-1, 1));
                    }

                    audioStream.Position = 0;

                    var audioBuffer = new AudioBuffer
                    {
                        Stream     = audioStream,
                        AudioBytes = audioBufferSize,
                        LoopCount  = 255
                    };

                    var audioSettings = new DspSettings(1, 2);

                    foreach (var controller in controllers)
                    {
                        var audioSource = new SourceVoice(audio, audioFormat);

                        audioSource.SubmitSourceBuffer(audioBuffer, null);

                        audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                        audioSource.SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);

                        audioSource.Start();

                        controllerVoices[controller] = audioSource;
                    }

                    RenderLoop.Run(form, () =>
                    {
                        while (system.PollNextEvent(ref vrEvent, eventSize))
                        {
                            switch ((EVREventType)vrEvent.eventType)
                            {
                            case EVREventType.VREvent_TrackedDeviceActivated:
                                var controller = vrEvent.trackedDeviceIndex;

                                controllers.Add(controller);

                                var modelName     = new StringBuilder(255, 255);
                                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                                {
                                    var modelName2 = modelName.ToString();

                                    while (true)
                                    {
                                        var pointer    = IntPtr.Zero;
                                        var modelError = EVRRenderModelError.None;

                                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                                        if (modelError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (modelError == EVRRenderModelError.None)
                                        {
                                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                                            controllerModels[controller] = renderModel;

                                            // Load Controller Model
                                            var model = controllerModels[controller];

                                            controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.VertexBuffer,
                                                SizeInBytes = (int)model.unVertexCount * 32
                                            });

                                            controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                                            controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.IndexBuffer,
                                                SizeInBytes = (int)model.unTriangleCount * 3 * 2
                                            });

                                            break;
                                        }
                                    }

                                    while (true)
                                    {
                                        var pointer      = IntPtr.Zero;
                                        var textureError = EVRRenderModelError.None;

                                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                                        if (textureError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (textureError == EVRRenderModelError.None)
                                        {
                                            var textureMap = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                                            controllerTextures[controller] = textureMap;

                                            using (var texture2d = new Texture2D(device, new Texture2DDescription
                                            {
                                                ArraySize = 1,
                                                BindFlags = BindFlags.ShaderResource,
                                                Format = Format.R8G8B8A8_UNorm,
                                                Width = textureMap.unWidth,
                                                Height = textureMap.unHeight,
                                                MipLevels = 1,
                                                SampleDescription = new SampleDescription(1, 0)
                                            }, new DataRectangle(textureMap.rubTextureMapData, textureMap.unWidth * 4)))
                                                controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);

                                            break;
                                        }
                                    }

                                    controllerEmitters[controller] = new Emitter
                                    {
                                        ChannelCount        = 1,
                                        CurveDistanceScaler = 0.15f,
                                        OrientFront         = Vector3.ForwardLH,
                                        OrientTop           = Vector3.Up,
                                        Position            = new Vector3(0, 0, 1000),
                                        //Velocity = Vector3.Zero
                                    };

                                    var audioSource = new SourceVoice(audio, audioFormat);

                                    audioSource.SubmitSourceBuffer(audioBuffer, null);

                                    audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                                    audioSource.SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);

                                    audioSource.Start();

                                    controllerVoices[controller] = audioSource;
                                }
                                break;

                            case EVREventType.VREvent_TrackedDeviceDeactivated:
                                controllers.RemoveAll(c => c == vrEvent.trackedDeviceIndex);
                                break;

                            default:
                                System.Diagnostics.Debug.WriteLine((EVREventType)vrEvent.eventType);
                                break;
                            }
                        }

                        if (form.ClientSize != windowSize)
                        {
                            Utilities.Dispose(ref backBufferView);

                            if (form.ClientSize.Width != 0 && form.ClientSize.Height != 0)
                            {
                                swapChain.ResizeBuffers(1, form.ClientSize.Width, form.ClientSize.Height, Format.B8G8R8A8_UNorm, SwapChainFlags.None);

                                using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                                    backBufferView = new RenderTargetView(device, backBuffer);
                            }

                            windowSize = form.ClientSize;
                        }

                        // Update Device Tracking
                        compositor.WaitGetPoses(currentPoses, nextPoses);

                        if (currentPoses[headset].bPoseIsValid)
                        {
                            Convert(ref currentPoses[headset].mDeviceToAbsoluteTracking, ref head);

                            // Update Audio Listener
                            listener.Position    = head.TranslationVector * new Vector3(1, 1, -1);
                            listener.OrientFront = head.Forward * new Vector3(1, 1, -1);
                            listener.OrientTop   = head.Up * new Vector3(1, 1, -1);
                        }

                        foreach (var controller in controllers)
                        {
                            var controllerMatrix = Matrix.Identity;

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref controllerMatrix);

                            var position = controllerMatrix.TranslationVector * new Vector3(1, 1, -1);

                            controllerEmitters[controller].Position = position;

                            audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                            controllerVoices[controller].SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);
                        }

                        // Render Left Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, leftEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(leftEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        var ratio = (float)headsetSize.Width / (float)headsetSize.Height;

                        var projection = leftEyeProjection;
                        var view       = Matrix.Invert(leftEyeView * head);
                        var world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        var texture = new Texture_t
                        {
                            eType       = ETextureType.DirectX,
                            eColorSpace = EColorSpace.Gamma,
                            handle      = leftEyeTextureView.Resource.NativePointer
                        };

                        var bounds = new VRTextureBounds_t
                        {
                            uMin = 0.0f,
                            uMax = 1.0f,
                            vMin = 0.0f,
                            vMax = 1.0f,
                        };

                        var submitError = compositor.Submit(EVREye.Eye_Left, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Right Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, rightEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(rightEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        projection = rightEyeProjection;
                        view       = Matrix.Invert(rightEyeView * head);
                        world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        texture.handle = rightEyeTextureView.Resource.NativePointer;

                        submitError = compositor.Submit(EVREye.Eye_Right, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Window
                        context.Rasterizer.SetViewport(0, 0, windowSize.Width, windowSize.Height);

                        context.OutputMerger.SetTargets(depthStencilView, backBufferView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(backBufferView, backgroundColor);
                        context.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        ratio = (float)form.ClientSize.Width / (float)form.ClientSize.Height;

                        projection = Matrix.PerspectiveFovRH(3.14F / 3.0F, ratio, 0.01f, 1000);
                        view       = Matrix.Invert(head);
                        world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        // Show Backbuffer
                        swapChain.Present(0, PresentFlags.None);
                    });

                    audio.Dispose();
                }
        }
Example #16
0
 public override void Play()
 {
     _voice?.Start();
 }
 public void Resume()
 {
     _sourceVoice.Start();
 }
Example #18
0
        private void process(int playPointer, bool loop)
        {
            bool         noMoreData = false;
            VorbisReader vorbis     = new VorbisReader(fileNames[playPointer]);

            if (fileNames.Length > 1)
            {
                if (playPointer < fileNames.Length - 1)
                {
                    loop = false;
                }
                else
                {
                    loop = true;
                }
            }
            float[] outBuffer = new float[vorbis.Channels * vorbis.SampleRate / 5];
            // If this is a consecutive track, we've already initialized the sourceVoice so we don't need to do it again.
            // We can just fill the already-playing voice with data from the new track.
            if (playPointer == 0)
            {
                WaveFormat waveFormat = new WaveFormat(vorbis.SampleRate, bitsPerSample, vorbis.Channels);
                sourceVoice = new SourceVoice(device, waveFormat, false);
            }
            const int rescaleFactor = 32767;
            Func <int, List <DataStream> > getAtLeast = howMany =>
            {
                List <DataStream> samples = new List <DataStream>();
                if (noMoreData)
                {
                    return(samples);
                }
                int PcmBytes     = 0;
                int howManySoFar = 0;
                while ((PcmBytes = vorbis.ReadSamples(outBuffer, 0, outBuffer.Length)) > 0)
                {
                    short[] intData = new short[PcmBytes];
                    byte[]  data    = new byte[PcmBytes * 2];
                    for (int index = 0; index < PcmBytes; index++)
                    {
                        intData[index] = (short)(outBuffer[index] * rescaleFactor);
                        byte[] b = BitConverter.GetBytes(intData[index]);
                        b.CopyTo(data, index * 2);
                    }
                    samples.Add(DataStream.Create <byte>(data, true, false));
                    if (++howManySoFar == howMany)
                    {
                        break;
                    }
                }
                if (howManySoFar < howMany)
                {
                    noMoreData = true;
                }
                return(samples);
            };
            Func <List <DataStream>, List <AudioBuffer> > convertToAudioBuffers = dataStreams =>
            {
                List <AudioBuffer> audioBuffers = new List <AudioBuffer>();
                foreach (DataStream s in dataStreams)
                {
                    audioBuffers.Add(new AudioBuffer {
                        Stream = s, Flags = BufferFlags.None, AudioBytes = (int)s.Length
                    });
                }
                return(audioBuffers);
            };
            Action <List <AudioBuffer> > submitToSourceVoice = (audioBuffers) =>
            {
                foreach (AudioBuffer a in audioBuffers)
                {
                    sourceVoice.SubmitSourceBuffer(a, null);
                }
            };

            new Thread(() =>
            {
                VoiceState state;
                List <DataStream> streams  = getAtLeast(minimumNumberOfBuffers);
                List <AudioBuffer> buffers = convertToAudioBuffers(streams);
                memories.AddRange(buffers);
                submitToSourceVoice(buffers);
                // If this isn't the first consecutive track, we've already started playing this sourceVoice and are just filling it with data from the new track.
                if (playPointer == 0)
                {
                    sourceVoice.Start();
                }
                started = true;
                while (true)
                {
                    if (stopNow)
                    {
                        break;
                    }
                    state = sourceVoice.State;
                    if (state.BuffersQueued < minimumNumberOfBuffers)
                    {
                        // Fill the source with more samples since we're running low.
                        List <DataStream> moreStreams = getAtLeast(minimumNumberOfBuffers);
                        if (moreStreams.Count < minimumNumberOfBuffers && loop)
                        {
                            vorbis.DecodedPosition = 0;
                            noMoreData             = false;
                        }
                        if (state.BuffersQueued == 0 && moreStreams.Count == 0)
                        {
                            break;                             // Nothing remaining to fill the source with and we've played everything.
                        }
                        List <AudioBuffer> moreBuffers = convertToAudioBuffers(moreStreams);
                        // The buffers that are already played can now be removed.
                        for (int i = 0; i < memories.Count - state.BuffersQueued; i++)
                        {
                            memories[i].Stream.Close();
                        }
                        memories.RemoveRange(0, memories.Count - state.BuffersQueued);
                        memories.AddRange(moreBuffers);
                        submitToSourceVoice(moreBuffers);
                    }
                    Thread.Sleep(10);
                }
                // If we're transitioning to the next track and haven't received a stop signal.
                if (!stopNow && playPointer < (fileNames.Length - 1))
                {
                    process(playPointer + 1, loop);
                    vorbis.Dispose();
                    return;
                }
                sourceVoice.Stop();
                sourceVoice.FlushSourceBuffers();
                for (int i = 0; i < memories.Count; i++)
                {
                    memories[i].Stream.Close();
                }
                memories.Clear();
                vorbis.Dispose();
                m_status = Status.stopped;
            }).Start();
        }
Example #19
0
 public void Reset()
 {
     if (sVoice != null)
     {
         sVoice.Stop();
         sVoice.Dispose();
     }
     if(audioWriter != null)
         audioWriter.Close();
     if(audioBuffer != null)
         audioBuffer.Dispose();
     sVoice = new SourceVoice(device, audioFormat, VoiceFlags.None);
     audioBuffer = new AudioBuffer();
     audioBuffer.AudioData = new MemoryStream();
     audioWriter = new BinaryWriter(audioBuffer.AudioData);
     mVoice.Volume = volume;
     sVoice.Start();
 }
 public void Play()
 {
     DateTime start = DateTime.Now;
     Console.WriteLine("Play() start");
     sourceVoice = new SourceVoice(Program.audioDevice, Format);
     Console.WriteLine("Create source voice");
     sourceVoice.BufferEnd += new EventHandler<ContextEventArgs>(sourceVoice_BufferEnd);
     sourceVoice.StreamEnd += new EventHandler(sourceVoice_StreamEnd);
     sourceVoice.SubmitSourceBuffer(Buffer);
     Console.WriteLine("Submitted source buffers");
     sourceVoice.Start();
     Console.WriteLine("Started source voice");
     var channel = new Channel { SourceVoice = sourceVoice };
     DateTime end = DateTime.Now;
     Console.WriteLine("Play() end (" + (end - start).TotalMilliseconds + " ms)");
 }
Example #21
0
		protected override void EndBufferChange()
		{
			if (AudioBuffer != null)
			{
				if (audioBuffer == null) audioBuffer = new XAudioBuffer();

				audioBuffer.AudioData = new DataStream(AudioBuffer.RawBuffer, true, true);
				audioBuffer.AudioBytes = (int)audioBuffer.AudioData.Length;
				audioBuffer.LoopLength = AudioBuffer.RawBuffer.Length / 2;
				audioBuffer.LoopCount = XAudio2.LoopInfinite;
				waveFormat.AverageBytesPerSecond = (waveFormat.BlockAlignment = (short)((waveFormat.BitsPerSample = (short)BitsPerSample) / 8 * (waveFormat.Channels = 2))) * (waveFormat.SamplesPerSecond = Frequency);
				sourceVoice = new SourceVoice(xAudio, waveFormat);
				sourceVoice.SubmitSourceBuffer(audioBuffer);
				sourceVoice.Start();
			}
		}
Example #22
0
        static void Main()
        {
            var form = new RenderForm("DotRocket/SlimDX example");

            var description = new SwapChainDescription()
            {
                BufferCount       = 1,
                Usage             = Usage.RenderTargetOutput,
                OutputHandle      = form.Handle,
                IsWindowed        = true,
                ModeDescription   = new ModeDescription(0, 0, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                SampleDescription = new SampleDescription(1, 0),
                Flags             = SwapChainFlags.AllowModeSwitch,
                SwapEffect        = SwapEffect.Discard
            };

            // Setup rendering
            Device    device;
            SwapChain swapChain;

            Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, description, out device, out swapChain);
            RenderTargetView renderTarget;

            using (var resource = Resource.FromSwapChain <Texture2D>(swapChain, 0))
                renderTarget = new RenderTargetView(device, resource);
            var context  = device.ImmediateContext;
            var viewport = new Viewport(0.0f, 0.0f, form.ClientSize.Width, form.ClientSize.Height);

            context.OutputMerger.SetTargets(renderTarget);
            context.Rasterizer.SetViewports(viewport);

            // Prevent alt+enter (broken on WinForms)
            using (var factory = swapChain.GetParent <Factory>())
                factory.SetWindowAssociation(form.Handle, WindowAssociationFlags.IgnoreAltEnter);

            // Setup audio-streaming
            XAudio2 xaudio2 = new XAudio2();

            stream = new XWMAStream("tune.xwma");
            MasteringVoice masteringVoice = new MasteringVoice(xaudio2);

            sourceVoice            = new SourceVoice(xaudio2, stream.Format);
            audioBuffer            = new AudioBuffer();
            audioBuffer.AudioData  = stream;
            audioBuffer.AudioBytes = (int)stream.Length;
            audioBuffer.Flags      = BufferFlags.EndOfStream;
            sourceVoice.SubmitSourceBuffer(audioBuffer, stream.DecodedPacketsInfo);
            sourceVoice.Start();

            // Setup DotRocket
#if DEBUG
            DotRocket.Device rocket = new DotRocket.ClientDevice("sync");
            rocket.OnPause     += Pause;
            rocket.OnSetRow    += SetRow;
            rocket.OnIsPlaying += IsPlaying;
            rocket.Connect("localhost", 1338);
#else
            DotRocket.Device rocket = new DotRocket.PlayerDevice("sync");
#endif

            // Get our belowed tracks!
            DotRocket.Track clear_r = rocket.GetTrack("clear.r");
            DotRocket.Track clear_g = rocket.GetTrack("clear.g");
            DotRocket.Track clear_b = rocket.GetTrack("clear.b");

            MessagePump.Run(form, () =>
            {
                // Hammertime.
                double row = ((double)(sourceVoice.State.SamplesPlayed - samplesBias) / stream.Format.SamplesPerSecond) * rowRate;

                // Paint some stuff.
                rocket.Update((int)System.Math.Floor(row));
                context.ClearRenderTargetView(renderTarget, new Color4(
                                                  clear_r.GetValue(row),
                                                  clear_g.GetValue(row),
                                                  clear_b.GetValue(row)));
                swapChain.Present(0, PresentFlags.None);
            });

            // clean up all resources
            // anything we missed will show up in the debug output
            renderTarget.Dispose();
            swapChain.Dispose();
            device.Dispose();
        }
Example #23
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);
        }
Example #24
0
 private void Play()
 {
     _isPlaying = true;
     _voice.Start();
 }
Example #25
0
        public void Play()
        {
            WaveStream stream;

            if (!soundManager.SoundDictionary.ContainsKey(filename))
            {
                // Add our sound to the sound library
                var s = System.IO.File.OpenRead(Path.Combine("Assets", filename));
                stream = new WaveStream(s);
                s.Close();
                soundManager.SoundDictionary[filename] = stream;
            }
            else
            {
                stream = soundManager.SoundDictionary[filename];
            }

            WaveFormat format = stream.Format;

            buffer = new AudioBuffer();
            buffer.AudioData = stream;
            buffer.AudioBytes = (int)stream.Length;
            buffer.Flags = BufferFlags.EndOfStream;
            buffer.AudioData.Position = 0;

            if (Looping == true)
            {
                buffer.LoopCount = XAudio2.LoopInfinite;
                buffer.LoopLength = 0;
            }

            currentlyPlaying = new SourceVoice(soundManager.device, format);
            currentlyPlaying.Volume = this.Volume;
            currentlyPlaying.BufferEnd += (s, e) => playing = false;
            currentlyPlaying.Start();
            currentlyPlaying.SubmitSourceBuffer(buffer);

            playing = true;
        }
 public void Start()
 {
     sourceVoice.Start();
 }
        private void TestOutputMatrixBehaviour(Sound sound)
        {
            int inputChannels = sound.Format.Channels;
            int outputChannels = audioDevice.GetDeviceDetails(0).OutputFormat.Channels;

            SourceVoice sourceVoice = new SourceVoice(audioDevice, sound.Format);
            sourceVoice.SubmitSourceBuffer(sound.Buffer);
            Console.WriteLine("Pre: ");
            PrintVoiceInfo(inputChannels, outputChannels, sourceVoice);
            sourceVoice.Start();
            Console.WriteLine("Started: ");
            PrintVoiceInfo(inputChannels, outputChannels, sourceVoice);
            sourceVoice.Volume = 0.7f;
            Console.WriteLine("Volume set: ");
            PrintVoiceInfo(inputChannels, outputChannels, sourceVoice);
            System.Threading.Thread.Sleep(300);
            PrintVoiceInfo(inputChannels, outputChannels, sourceVoice);
        }
Example #28
0
        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;
                }
            }
        }
Example #29
0
 public void Start()
 {
     m_voice.Start();
     m_isPlaying = true;
 }
Example #30
0
        public void Play( Form on )
        {
            var screens = Screen.AllScreens;
            var screens_left  = screens.Min( screen => screen.Bounds.Left  );
            var screens_right = screens.Max( screen => screen.Bounds.Right );
            var screens_width = screens_right-screens_left;

            var bestScreen = screens.OrderByDescending( screen => {
                var area = screen.Bounds;
                area.Intersect( on.Bounds );
                return area.Width*area.Height;
            }).First();

            var balances = new[]{1.5f,1.5f};
            if ( screens.Length==3 && DisplayBalances.ContainsKey(bestScreen.DeviceName) ) balances = DisplayBalances[bestScreen.DeviceName];

            var path   = Registry.CurrentUser.OpenSubKey(@"AppEvents\Schemes\Apps\.Default\"+Name+@"\.Current").GetValue(null) as string;
            var stream = new WaveStream(path);
            var buffer = new AudioBuffer() { AudioBytes=(int)stream.Length, AudioData=stream, Flags=BufferFlags.EndOfStream };

            var voice = new SourceVoice( XAudio2, stream.Format );
            voice.SubmitSourceBuffer( buffer );
            voice.SetChannelVolumes( balances.Length, balances );
            voice.BufferEnd += (sender,ctx) => {
                try {
                    on.BeginInvoke(new Action(()=>{
                        voice.Dispose();
                        buffer.Dispose();
                        stream.Dispose();
                    }));
                } catch ( InvalidOperationException ) {
                    // herp derp on must be disposed/gone
                }
            };
            voice.Start();
        }
Example #31
0
 public void Play()
 {
     isMute = false;
     sourceVoice.Start();
 }
Example #32
0
        static void Main()
        {
            var form = new RenderForm("DotRocket/SlimDX example");

            var description = new SwapChainDescription()
            {
                BufferCount = 1,
                Usage = Usage.RenderTargetOutput,
                OutputHandle = form.Handle,
                IsWindowed = true,
                ModeDescription = new ModeDescription(0, 0, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                SampleDescription = new SampleDescription(1, 0),
                Flags = SwapChainFlags.AllowModeSwitch,
                SwapEffect = SwapEffect.Discard
            };

            // Setup rendering
            Device device;
            SwapChain swapChain;
            Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, description, out device, out swapChain);
            RenderTargetView renderTarget;
            using (var resource = Resource.FromSwapChain<Texture2D>(swapChain, 0))
                renderTarget = new RenderTargetView(device, resource);
            var context = device.ImmediateContext;
            var viewport = new Viewport(0.0f, 0.0f, form.ClientSize.Width, form.ClientSize.Height);
            context.OutputMerger.SetTargets(renderTarget);
            context.Rasterizer.SetViewports(viewport);

            // Prevent alt+enter (broken on WinForms)
            using (var factory = swapChain.GetParent<Factory>())
                factory.SetWindowAssociation(form.Handle, WindowAssociationFlags.IgnoreAltEnter);

            // Setup audio-streaming
            XAudio2 xaudio2 = new XAudio2();
            stream = new XWMAStream("tune.xwma");
            MasteringVoice masteringVoice = new MasteringVoice(xaudio2);
            sourceVoice = new SourceVoice(xaudio2, stream.Format);
            audioBuffer = new AudioBuffer();
            audioBuffer.AudioData = stream;
            audioBuffer.AudioBytes = (int)stream.Length;
            audioBuffer.Flags = BufferFlags.EndOfStream;
            sourceVoice.SubmitSourceBuffer(audioBuffer, stream.DecodedPacketsInfo);
            sourceVoice.Start();

            // Setup DotRocket
#if DEBUG
            DotRocket.Device rocket = new DotRocket.ClientDevice("sync");
            rocket.OnPause += Pause;
            rocket.OnSetRow += SetRow;
            rocket.OnIsPlaying += IsPlaying;
            rocket.Connect("localhost", 1338);
#else
            DotRocket.Device rocket = new DotRocket.PlayerDevice("sync");
#endif

            // Get our belowed tracks!
            DotRocket.Track clear_r = rocket.GetTrack("clear.r");
            DotRocket.Track clear_g = rocket.GetTrack("clear.g");
            DotRocket.Track clear_b = rocket.GetTrack("clear.b");

            MessagePump.Run(form, () =>
            {
                // Hammertime.
                double row = ((double)(sourceVoice.State.SamplesPlayed - samplesBias) / stream.Format.SamplesPerSecond) * rowRate;

                // Paint some stuff.
                rocket.Update((int)System.Math.Floor(row));
                context.ClearRenderTargetView(renderTarget, new Color4(
                    clear_r.GetValue(row),
                    clear_g.GetValue(row),
                    clear_b.GetValue(row)));
                swapChain.Present(0, PresentFlags.None);
            });

            // clean up all resources
            // anything we missed will show up in the debug output
            renderTarget.Dispose();
            swapChain.Dispose();
            device.Dispose();
        }
Example #33
0
        /// <summary>
        /// SharpDX X3DAudio sample. Plays a generated sound rotating around the listener.
        /// </summary>
        static void Main(string[] args)
        {
            var xaudio2 = new XAudio2();

            using (var masteringVoice = new MasteringVoice(xaudio2))
            {
                // Instantiate X3DAudio
                var x3dAudio = new X3DAudio(Speakers.Stereo);

                var emitter = new Emitter
                {
                    ChannelCount        = 1,
                    CurveDistanceScaler = float.MinValue,
                    OrientFront         = new Vector3(0, 0, 1),
                    OrientTop           = new Vector3(0, 1, 0),
                    Position            = new Vector3(0, 0, 0),
                    Velocity            = new Vector3(0, 0, 0)
                };

                var listener = new Listener
                {
                    OrientFront = new Vector3(0, 0, 1),
                    OrientTop   = new Vector3(0, 1, 0),
                    Position    = new Vector3(0, 0, 0),
                    Velocity    = new Vector3(0, 0, 0)
                };

                var waveFormat  = new WaveFormat(44100, 32, 1);
                var sourceVoice = new SourceVoice(xaudio2, waveFormat);

                int bufferSize = waveFormat.ConvertLatencyToByteSize(60000);
                var dataStream = new DataStream(bufferSize, true, true);

                int numberOfSamples = bufferSize / waveFormat.BlockAlign;
                for (int i = 0; i < numberOfSamples; i++)
                {
                    float value = (float)(Math.Cos(2 * Math.PI * 220.0 * i / waveFormat.SampleRate) * 0.5);
                    dataStream.Write(value);
                }
                dataStream.Position = 0;

                var audioBuffer = new AudioBuffer
                {
                    Stream = dataStream, Flags = BufferFlags.EndOfStream, AudioBytes = bufferSize
                };

                //var reverb = new Reverb();
                //var effectDescriptor = new EffectDescriptor(reverb);
                //sourceVoice.SetEffectChain(effectDescriptor);
                //sourceVoice.EnableEffect(0);

                sourceVoice.SubmitSourceBuffer(audioBuffer, null);

                sourceVoice.Start();

                Console.WriteLine("Play a sound rotating around the listener");
                for (int i = 0; i < 1200; i++)
                {
                    // Rotates the emitter
                    var rotateEmitter      = Matrix.RotationY(i / 5.0f);
                    var newPosition        = Vector3.Transform(new Vector3(0, 0, 1000), rotateEmitter);
                    var newPositionVector3 = new Vector3(newPosition.X, newPosition.Y, newPosition.Z);
                    emitter.Velocity = (newPositionVector3 - emitter.Position) / 0.05f;
                    emitter.Position = newPositionVector3;

                    // Calculate X3DAudio settings
                    var dspSettings = x3dAudio.Calculate(listener, emitter, CalculateFlags.Matrix | CalculateFlags.Doppler, 1, 2);

                    // Modify XAudio2 source voice settings
                    sourceVoice.SetOutputMatrix(1, 2, dspSettings.MatrixCoefficients);
                    sourceVoice.SetFrequencyRatio(dspSettings.DopplerFactor);

                    // Wait for 50ms
                    Thread.Sleep(50);
                }
            }
        }
Example #34
0
        private void process()
        {
            lock (lockObject)
                preparing = true;
            byte[] outBuffer = new Byte[4096];
            if (byteStream == null)
            {
                oggFile = new OggVorbisFileStream(fileNames[playPointer]);
            }
            else
            {
                oggStream = new OggVorbisEncodedStream(byteStream);
            }


            MemoryStream PcmStream = null;
            int          PcmBytes  = -1;

            PcmStream = new MemoryStream();
            WaveFormat waveFormat = new WaveFormat();

            AudioBuffer[] theBuffers         = new AudioBuffer[maxBuffers];
            int           nextBuffer         = 0;
            bool          firstLoop          = true;
            bool          startedSourceVoice = false;

            // Decode the Ogg Vorbis data into its PCM data
            while (PcmBytes != 0)
            {
                // Get the next chunk of PCM data, pin these so the GC can't
                while (true)
                {
                    PcmBytes = (oggStream == null) ? oggFile.Read(outBuffer, 0, outBuffer.Length)
                                                : oggStream.Read(outBuffer, 0, outBuffer.Length);


                    if (PcmBytes == 0)                     //Reached the end
                    {
                        break;
                    }
                    PcmStream.Flush();
                    PcmStream.Position = 0;
                    PcmStream.Write(outBuffer, 0, PcmBytes);
                    PcmStream.Position = 0;
                    if (theBuffers[nextBuffer] != null)
                    {
                        theBuffers[nextBuffer].Stream.Dispose();
                        theBuffers[nextBuffer] = null;
                    }

                    theBuffers[nextBuffer]            = new AudioBuffer(SharpDX.DataStream.Create <byte>(PcmStream.ToArray(), true, false));
                    theBuffers[nextBuffer].AudioBytes = PcmBytes;
                    theBuffers[nextBuffer].LoopCount  = 0;
                    if (firstLoop)
                    {
                        VorbisInfo info = (oggStream == null) ? oggFile.Info : oggStream.Info;
                        //BlockAlign = info.Channels * (bitsPerSample / 8);
                        //AverageBytesPerSecond = info.Rate * BlockAlign;

                        //waveFormat.AverageBytesPerSecond = AverageBytesPerSecond;
                        //waveFormat.BitsPerSample = (short)bitsPerSample;
                        //waveFormat.BlockAlignment = (short)BlockAlign;
                        //waveFormat.Channels = (short)info.Channels;
                        //waveFormat.SamplesPerSecond = info.Rate;
                        waveFormat = new WaveFormat(info.Rate, bitsPerSample, info.Channels);
                        //waveFormat.Encoding= WaveFormatEncoding.Pcm;

                        sourceVoice = new SourceVoice(device, waveFormat);

                        sourceVoice.SetVolume(volume);
                    }                     //if first time looping, create sourcevoice

                    sourceVoice.SubmitSourceBuffer(theBuffers[nextBuffer], null);
                    if (nextBuffer == theBuffers.Length - 1)
                    {
                        nextBuffer = 0;
                    }
                    else
                    {
                        nextBuffer++;
                    }
                    //If we're done filling the buffer for the first time
                    if (!startedSourceVoice &&
                        sourceVoice.State.BuffersQueued
                        == maxBuffers)
                    {
                        sourceVoice.Start();
                        startedSourceVoice = true;
                        lock (lockObject)
                        {
                            playing   = true;
                            preparing = false;
                        }                         //lock
                    }
                    firstLoop = false;
                    if (startedSourceVoice)
                    {
                        while (sourceVoice.State.BuffersQueued
                               > maxBuffers - 1)
                        {
                            if (stopNow)
                            {
                                break;
                            }
                            Thread.Sleep(5);
                        }
                    }                     //if started source voice
                    if (stopNow)
                    {
                        break;
                    }
                }                //while
                if (stopNow)
                {
                    break;
                }
                //We don't have any more data but file could still be playing the remaining data.
                if (PcmBytes == 0 /*&& !loop*/)
                {
                    if (!stopNow)
                    {
                        while (sourceVoice.State.BuffersQueued > 0 &&
                               !stopNow)
                        {
                            Thread.Sleep(10);
                        }
                    }                     //if doesn't want to stop ogg
                    if (!loop)
                    {
                        break;    //exit the loop since we ran out of data and don't want to loop back
                    }
                }                 //if we ran out of data
                if (PcmBytes == 0 && loop)
                {
                    PcmBytes = -1;
                    if (oggFile != null)
                    {
                        oggFile.Position = 0;
                    }
                    if (oggStream != null)
                    {
                        oggStream.Position = 0;
                    }
                }         //if we ran out of data but want to loop back
            }             //while more data

            //Done playing, or file requested stop,
            //so clean up and tell calling thread that
            //buffer has stopped and cleaned up.
            //calling thread doesn't know buffer has stopped until we clean things up
            //so we don't lose memory

            //Clean up the resources
            if (sourceVoice != null)
            {
                sourceVoice.ExitLoop();                 //stop looping if looping
                sourceVoice.Stop();
            }
            sourceVoice.Dispose();
            sourceVoice = null;
            if (oggFile != null)
            {
                oggFile.Close();
                oggFile = null;
            }
            outBuffer = null;
            for (int i = 0; i < theBuffers.Length; i++)
            {
                if (theBuffers[i] != null)
                {
                    theBuffers[i].Stream.Dispose();
                    theBuffers[i] = null;
                }
            }
            theBuffers = null;
            if (oggStream != null)
            {
                oggStream.Close();
                oggStream = null;
            }
            PcmStream.Dispose();
            PcmStream = null;
            if (stopEvent != null)
            {
                stopEvent();
            }
        }         //method
        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();
        }
Example #36
0
 public override void Play()
 {
     SourceVoice?.Start();
 }
Example #37
0
        internal SourceVoice Start(float pan = 0)
        {
            if (_voices.Any(v => v.State.BuffersQueued <= 0))
            {
                s = _voices.First(v => v.State.BuffersQueued <= 0);
            }
            else
            {
                s = new SourceVoice(Device, Stream.Format, true);

                _voices.Add(s);
            }
            var b = new AudioBuffer
            {
                Stream     = Stream.ToDataStream(),
                AudioBytes = (int)Stream.Length,
                LoopCount  = Loop ? AudioBuffer.LoopInfinite : 0,
                Flags      = BufferFlags.EndOfStream
            };

            s.SubmitSourceBuffer(b, Stream.DecodedPacketsInfo);
            float[] outputMatrix = new float[8];
            for (int i = 0; i < 8; i++)
            {
                outputMatrix[i] = 0;
            }
            // pan of -1.0 indicates all left speaker,
            // 1.0 is all right speaker, 0.0 is split between left and right

            float left  = 0.5f - pan / 2;
            float right = 0.5f + pan / 2;


            switch (Master.ChannelMask)
            {
            case (int)Speakers.Mono:
                outputMatrix[0] = 1.0f;
                break;

            case (int)Speakers.Stereo:
            case (int)Speakers.TwoPointOne:
            case (int)Speakers.Surround:
                outputMatrix[0] = left;
                outputMatrix[1] = right;
                break;

            case (int)Speakers.Quad:
                outputMatrix[0] = outputMatrix[2] = left;
                outputMatrix[1] = outputMatrix[3] = right;
                break;

            case (int)Speakers.FourPointOne:
                outputMatrix[0] = outputMatrix[3] = left;
                outputMatrix[1] = outputMatrix[4] = right;
                break;

            case (int)Speakers.FivePointOne:
            case (int)Speakers.SevenPointOne:
            case (int)Speakers.FivePointOneSurround:
                outputMatrix[0] = outputMatrix[4] = left;
                outputMatrix[1] = outputMatrix[5] = right;
                break;

            case (int)Speakers.SevenPointOneSurround:
                outputMatrix[0] = outputMatrix[4] = outputMatrix[6] = left;
                outputMatrix[1] = outputMatrix[5] = outputMatrix[7] = right;
                break;
            }
            s.SetOutputMatrix(null, s.VoiceDetails.InputChannelCount, Master.VoiceDetails.InputChannelCount, outputMatrix);
            s.Start();
            return(s);
        }
Example #38
0
 public override void Play()
 {
     mVoice.Stop();
     mVoice.Start();
     mIsPlaying = true;
 }