internal async Task Initialize()
{
// Create an AudioGraph with default settings
var settings = new AudioGraphSettings(AudioRenderCategory.Media);
var result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
Debug.WriteLine(string.Format("AudioGraph Creation Error because {0}", result.Status.ToString()));
return;
}
_audioGraph = result.Graph;
// Create a device output node
var deviceOutputResult = await _audioGraph.CreateDeviceOutputNodeAsync();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output
Debug.WriteLine(string.Format("Audio Device Output unavailable because {0}",
deviceOutputResult.Status.ToString()));
return;
}
var deviceOutputNode = deviceOutputResult.DeviceOutputNode;
Debug.WriteLine("Device Output Node successfully created");
CreateFrameInputNode();
_frameInputNode.AddOutgoingConnection(deviceOutputNode);
}
public async Task InitializeSounds()
{
InputNodes = new ObservableCollection <AudioFileInputNode>();
FileInputNodesDictionary = new Dictionary <string, AudioFileInputNode>();
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status == AudioGraphCreationStatus.Success)
{
graph = result.Graph;
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
// make sure the audio output is available
if (deviceOutputNodeResult.Status == AudioDeviceNodeCreationStatus.Success)
{
outputNode = deviceOutputNodeResult.DeviceOutputNode;
graph.ResetAllNodes();
for (int i = 0; i < countdownSoundsNum; i++)
{
await CreateInputNodeFromFile(baseUri + countdownBaseFileName + "0" + (i + 1).ToString() + "-" + "1" + audioFileExt);
await CreateInputNodeFromFile(baseUri + countdownBaseFileName + "0" + (i + 1).ToString() + "-" + "2" + audioFileExt);
}
for (int j = 0; j < doneSoundsNum; j++)
{
await CreateInputNodeFromFile(baseUri + doneBaseFileName + ((j >= 9) ? "" : "0") + (j + 1).ToString() + audioFileExt);
}
graph.Start();
}
}
}
private async void initGraph()
{
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
FileOpenPicker filePicker = new FileOpenPicker();
filePicker.SuggestedStartLocation = PickerLocationId.MusicLibrary;
filePicker.FileTypeFilter.Add(".mp3");
filePicker.FileTypeFilter.Add(".wav");
StorageFile file = await GetPackagedFile(null, "audio.mp3");
CreateAudioFileInputNodeResult fileInputResult = await graph.CreateFileInputNodeAsync(file);
fileInput = fileInputResult.FileInputNode;
fileInput.AddOutgoingConnection(deviceOutput);
graph.Start();
}
public async Task Init()
{
var graphResult = await Windows.Media.Audio.AudioGraph.CreateAsync(new Windows.Media.Audio.AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.Media)
{
});
if (graphResult.Status != Windows.Media.Audio.AudioGraphCreationStatus.Success)
{
throw new Exception("Faild to Create Audio Graph");
}
graph = graphResult.Graph;
var outPutResult = await graph.CreateDeviceOutputNodeAsync();
if (outPutResult.Status != Windows.Media.Audio.AudioDeviceNodeCreationStatus.Success)
{
throw new Exception("Faild To Create DeviceOutput");
}
outputNode = outPutResult.DeviceOutputNode;
graph.QuantumProcessed += MainGraph_QuantumProcessed;
}
public async Task <bool> InitializeAudioGraphAsync()
{
var audioGraphSettings = new AudioGraphSettings(AudioRenderCategory.Media);
var result = await AudioGraph.CreateAsync(audioGraphSettings);
LastStatus = result.Status.ToString();
if (result.Status != AudioGraphCreationStatus.Success)
{
return(false);
}
_audioGraph = result.Graph;
_audioGraph.UnrecoverableErrorOccurred += (sender, args) => OnErrorOccurred(args);
var outputResult = await _audioGraph.CreateDeviceOutputNodeAsync();
LastStatus = outputResult.Status.ToString();
if (outputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
_audioGraph.Dispose();
return(false);
}
_outputNode = outputResult.DeviceOutputNode;
CreateEchoEffect();
CreateLimiterEffect();
CreateReverbEffect();
CreateEqualizerEffect();
return(true);
}
private async Task CreateAudioGraph()
{
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
graph.EncodingProperties.SampleRate = 44100;
CreateAudioDeviceOutputNodeResult deviceOutputResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputResult.DeviceOutputNode;
NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
}
public async Task <bool> InitializeAsync()
{
if (this.IsInitialized == true)
{
return(true);
}
var result = await AudioGraph.CreateAsync(new AudioGraphSettings(AudioRenderCategory.Media));
if (result.Status != AudioGraphCreationStatus.Success)
{
return(false);
}
_audioGraph = result.Graph;
var outputResult = await _audioGraph.CreateDeviceOutputNodeAsync();
if (outputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
return(false);
}
_outputNode = outputResult.DeviceOutputNode;
if (this.IsMute == false)
{
_audioGraph.Start();
}
this.IsInitialized = true;
return(true);
}
public async Task Init()
{
AudioGraphSettings audioGraphSettings = new AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.Media);
var result = await AudioGraph.CreateAsync(audioGraphSettings);
if (result == null || result.Status != AudioGraphCreationStatus.Success)
{
return;
}
audioGraph = result.Graph;
var createAudioDeviceOutputResult = await audioGraph.CreateDeviceOutputNodeAsync();
if (createAudioDeviceOutputResult == null || createAudioDeviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
return;
}
deviceOutputNode = createAudioDeviceOutputResult.DeviceOutputNode;
AudioEncodingProperties audioEncodingProperties = new AudioEncodingProperties();
audioEncodingProperties.BitsPerSample = 32;
audioEncodingProperties.ChannelCount = 2;
audioEncodingProperties.SampleRate = 44100;
audioEncodingProperties.Subtype = MediaEncodingSubtypes.Float;
audioFrameInputNode = audioGraph.CreateFrameInputNode(audioEncodingProperties);
audioFrameInputNode.QuantumStarted += FrameInputNode_QuantumStarted;
audioFrameInputNode.AddOutgoingConnection(deviceOutputNode);
audioGraph.Start();
}
private void CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = AudioGraph.CreateAsync(settings).GetResults();
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputResult = graph.CreateDeviceOutputNodeAsync().GetResults();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output
return;
}
deviceOutputNode = deviceOutputResult.DeviceOutputNode;
}
/// <summary>
/// Initializes the player service
/// </summary>
private async Task InitializeAsync()
{
var result = await AudioGraph.CreateAsync(new AudioGraphSettings(AudioRenderCategory.Media));
if (result.Status != AudioGraphCreationStatus.Success)
{
return;
}
_audioGraph = result.Graph;
var outputResult = await _audioGraph.CreateDeviceOutputNodeAsync();
if (outputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
return;
}
_outputNode = outputResult.DeviceOutputNode;
_audioGraph.Start();
foreach (var kvp in _filenames)
{
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/{kvp.Value}"));
_loaded.Add(kvp.Key, storageFile);
}
}
// create the audio graph and output
private async void InitAudioGraph()
{
var settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency; // pick lowest latency available to devices in the graph
// create the audio graph
_graph = (await AudioGraph.CreateAsync(settings)).Graph;
if (_graph == null)
{
// failed to create audio graph
MessageDialog dlg = new MessageDialog("Failed to create audio graph");
await dlg.ShowAsync();
return;
}
// create the output. You could also create file output here to stream to a temp file or similar
_deviceOutput = (await _graph.CreateDeviceOutputNodeAsync()).DeviceOutputNode;
if (_deviceOutput == null)
{
// failed to create audio output
MessageDialog dlg = new MessageDialog("Failed to create device output");
await dlg.ShowAsync();
return;
}
// load all of the samples into graph nodes
BuildFileNodes();
// start playback
_graph.Start();
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
Logging.SingleInstance.LogMessage("AudioGraph Creation Error because " + result.Status);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
Logging.SingleInstance.LogMessage(String.Format("Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()));
return;
}
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
Logging.SingleInstance.LogMessage("Device Output Node successfully created");
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
}
public async Task <bool> InitializeSound()
{
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
return(false);
}
graph = result.Graph;
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status == AudioDeviceNodeCreationStatus.Success)
{
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
graph.ResetAllNodes();
foreach (var soundMapping in soundMappings)
{
await AddFileToSoundDictionary("ms-appx:///Features/Game/Assets/" + soundMapping.Value);
}
graph.Start();
}
isInitialized = true;
return(isInitialized);
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
throw new Exception("error");
}
_graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputResult = await _graph.CreateDeviceOutputNodeAsync();
_subMixNode = _graph.CreateSubmixNode();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output
throw new Exception("error");
}
_deviceOutputNode = deviceOutputResult.DeviceOutputNode;
_subMixNode.AddOutgoingConnection(_deviceOutputNode);
}
public async Task InitializeSounds()
{
soundBankInitializer = new SoundBanksInitializer();
POneInputNodes = new ObservableCollection <AudioFileInputNode>();
PTwoInputNodes = new ObservableCollection <AudioFileInputNode>();
WOneInputNodes = new ObservableCollection <AudioFileInputNode>();
WTwoInputNodes = new ObservableCollection <AudioFileInputNode>();
InputNodesList = new ObservableCollection <ObservableCollection <AudioFileInputNode> >();
InputNodesList.Add(POneInputNodes);
InputNodesList.Add(PTwoInputNodes);
InputNodesList.Add(WOneInputNodes);
InputNodesList.Add(WTwoInputNodes);
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status == AudioGraphCreationStatus.Success)
{
graph = result.Graph;
// create the output device
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
// make sure the audio output is available
if (deviceOutputNodeResult.Status == AudioDeviceNodeCreationStatus.Success)
{
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
graph.ResetAllNodes();
foreach (SoundBank soundBank in soundBankInitializer.SoundBanks)
{
foreach (string fileName in soundBank.FileNames[0])
{
await CreateInputNodeFromFile("ms-appx:///Assets/AudioSamples/" + fileName);
InputNodesList[soundBankInitializer.SoundBanks.IndexOf(soundBank)].Add(FileInputNodesDictionary[fileName]);
}
foreach (string fileName in soundBank.FileNames[1])
{
await CreateInputNodeFromFile("ms-appx:///Assets/AudioSamples/" + fileName);
FileInputNodesDictionary[fileName].LoopCount = null;
InputNodesList[soundBankInitializer.SoundBanks.IndexOf(soundBank)].Add(FileInputNodesDictionary[fileName]);
}
}
InitializeEffects();
graph.Start();
}
}
}
// Init the AudioGraph
// despite the Aync methods - this will exec synchronously to get the InitPhase only get done when all is available
private void InitAudioGraph( )
{
LOG.Log("InitAudioGraph: Begin");
if (!_canPlay)
{
LOG.Log("InitAudioGraph: Canceled with _canPlay = false");
return; // cannot even try..
}
// MUST WAIT UNTIL all items are created, else one may call Play too early...
// cleanup existing items
if (_deviceOutputNode != null)
{
_deviceOutputNode.Dispose( ); _deviceOutputNode = null;
}
if (_audioGraph != null)
{
_audioGraph.Dispose( ); _audioGraph = null;
}
// Create an AudioGraph
AudioGraphSettings settings = new AudioGraphSettings(_renderCat)
{
PrimaryRenderDevice = null, // If PrimaryRenderDevice is null, the default playback device will be used.
MaxPlaybackSpeedFactor = 2, // should preserve some memory
};
// We await here the execution without providing an async method ...
var resultAG = WindowsRuntimeSystemExtensions.AsTask(AudioGraph.CreateAsync(settings));
resultAG.Wait( );
if (resultAG.Result.Status != AudioGraphCreationStatus.Success)
{
LOG.LogError($"InitAudioGraph: Failed to create AudioGraph with RenderCategory: {_renderCat}");
LOG.LogError($"InitAudioGraph: AudioGraph creation: {resultAG.Result.Status}, TaskStatus: {resultAG.Status}"
+ $"\nExtError: {resultAG.Result.ExtendedError}");
_canPlay = false;
return;
}
_audioGraph = resultAG.Result.Graph;
LOG.Log($"InitAudioGraph: AudioGraph: [{_audioGraph.EncodingProperties}]");
// Create a device output node
// The output node uses the PrimaryRenderDevice of the audio graph.
// We await here the execution without providing an async method ...
var resultDO = WindowsRuntimeSystemExtensions.AsTask(_audioGraph.CreateDeviceOutputNodeAsync());
resultDO.Wait( );
if (resultDO.Result.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
LOG.LogError($"InitAudioGraph: DeviceOutputNode creation: {resultDO.Result.Status}, TaskStatus: {resultDO.Status}"
+ $"\nExtError: {resultDO.Result.ExtendedError}");
_canPlay = false;
return;
}
_deviceOutputNode = resultDO.Result.DeviceOutputNode;
LOG.Log($"InitAudioGraph: DeviceOutputNode: [{_deviceOutputNode.Device}]");
LOG.Log($"InitAudioGraph: InitAudioGraph-END");
}
private async Task InitializeAudioAsync()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.EncodingProperties = AudioEncodingProperties.CreatePcm(22050, 1, 16);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
return;
}
_graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await _graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
return;
}
_deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
CreateAudioDeviceInputNodeResult deviceInputNodeResult = await _graph.CreateDeviceInputNodeAsync(MediaCategory.Other);
if (deviceInputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
return;
}
_deviceInputNode = deviceInputNodeResult.DeviceInputNode;
// Create the FrameInputNode at the same format as the graph, except explicitly set mono.
AudioEncodingProperties nodeEncodingProperties = _graph.EncodingProperties;
nodeEncodingProperties.ChannelCount = 1;
_frameInputNode = _graph.CreateFrameInputNode(nodeEncodingProperties);
_frameInputNode.AddOutgoingConnection(_deviceOutputNode);
_frameOutputNode = _graph.CreateFrameOutputNode(nodeEncodingProperties);
_deviceInputNode.AddOutgoingConnection(_frameOutputNode);
// Initialize the Frame Input Node in the stopped state
_frameInputNode.Stop();
// Hook up an event handler so we can start generating samples when needed
// This event is triggered when the node is required to provide data
_frameInputNode.QuantumStarted += node_QuantumStarted;
_graph.QuantumProcessed += GraphOnQuantumProcessed;
// Start the graph since we will only start/stop the frame input node
_graph.Start();
}
private async Task CreateAudioGraph()
{
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
settings.PrimaryRenderDevice = outputDevices[outputDevicesListBox.SelectedIndex - 1];
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
rootPage.NotifyUser("Graph successfully created!", NotifyType.StatusMessage);
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
outputDeviceContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output connection successfully created", NotifyType.StatusMessage);
outputDeviceContainer.Background = new SolidColorBrush(Colors.Green);
// Create a device input node using the default audio input device
CreateAudioDeviceInputNodeResult deviceInputNodeResult = await graph.CreateDeviceInputNodeAsync(MediaCategory.Other);
if (deviceInputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device input node
rootPage.NotifyUser(String.Format("Audio Device Input unavailable because {0}", deviceInputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
inputDeviceContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceInputNode = deviceInputNodeResult.DeviceInputNode;
rootPage.NotifyUser("Device Input connection successfully created", NotifyType.StatusMessage);
inputDeviceContainer.Background = new SolidColorBrush(Colors.Green);
// Since graph is successfully created, enable the button to select a file output
fileButton.IsEnabled = true;
// Disable the graph button to prevent accidental click
createGraphButton.IsEnabled = false;
// Because we are using lowest latency setting, we need to handle device disconnection errors
graph.UnrecoverableErrorOccurred += Graph_UnrecoverableErrorOccurred;
}
public static async Task AudioDevices()
{
if (beep == null)
{
beep = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Assets/Audio/beep.wav"));
}
DeviceInformationCollection devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Media.Devices.MediaDevice.GetAudioRenderSelector());
DeviceInformation selectedDevice = null;
// Sometimes usb mics are confused as speakers.. so add check to make Speakers (Raspberry Pi 2 audio) the default <-- Confirmed works on rpi3
//for (int i = 0; i <= devices.Count; i++)
//{
// if (i != devices.Count)
// {
// if (DeviceTypeInformation.IsRaspberryPi)
// {
// if (devices[i].Name == "Speakers (Raspberry Pi 2 audio)")
// {
// selectedDevice = devices[i];
// break;
// }
// }
// else
// {
// selectedDevice = devices[i];
// break;
// }
// }
//}
settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.PrimaryRenderDevice = selectedDevice;
CreateAudioGraphResult resultg = await AudioGraph.CreateAsync(settings);
audioflow = resultg.Graph;
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await audioflow.CreateDeviceOutputNodeAsync();
CreateAudioDeviceInputNodeResult deviceInputNodeResult = await audioflow.CreateDeviceInputNodeAsync(MediaCategory.Media);
deviceOuput = deviceOutputNodeResult.DeviceOutputNode;
try
{
_mediaCapture = new MediaCapture();
await _mediaCapture.InitializeAsync();
_mediaCapture.Failed += _mediaCapture_Failed;
_mediaCapture.AudioDeviceController.VolumePercent = 0.75f;
}
catch
{
Debug.WriteLine("Failed to setup microphone is one connected?");
}
}
private async Task CreateAudioGraph()
{
var settings = new AudioGraphSettings(AudioRenderCategory.Media);
var result = await AudioGraph.CreateAsync(settings);
_graph = result.Graph;
var deviceOutputNodeResult = await _graph.CreateDeviceOutputNodeAsync();
_deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
_graph.ResetAllNodes();
_graph.Start();
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.ClosestToDesired;
settings.DesiredSamplesPerQuantum = bufferLength;
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
Debug.WriteLine($"Set samples per quantum to {graph.SamplesPerQuantum}");
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
// Create the FrameInputNode at the same format as the graph, except explicitly set mono.
AudioEncodingProperties nodeEncodingProperties = graph.EncodingProperties;
nodeEncodingProperties.ChannelCount = 1;
CreateNotes(noteCount, nodeEncodingProperties, deviceOutputNode);
double lowNote = inputNotes.Values.OrderBy(p => p.frequency).First().frequency;
double hiNote = inputNotes.Values.OrderByDescending(p => p.frequency).First().frequency;
noteCount = inputNotes.Keys.Count;
var mSLength = 1000.0 * (double)bufferLength / 48000.0;
setupDescription = $"playing {noteCount} notes in {noteCount / 3} octaves ({lowNote:0.0} -> {hiNote:0.0}), {graph.SamplesPerQuantum} samples, {mSLength:0.0}mS buffers";
DetailText.Text = setupDescription;
frameContainer.Background = new SolidColorBrush(Colors.Green);
// Start the graph since we will only start/stop the frame input node
graph.Start();
}
private async Task CreateDeviceOutputNode()
{
CreateAudioDeviceOutputNodeResult result = await audioGraph.CreateDeviceOutputNodeAsync();
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new Exception($"Could not create device output node. { Logger.GetExceptionLocalization(this) }");
}
deviceOutput = result.DeviceOutputNode;
}
/// <summary>
/// Create a node to output audio data to the default audio device (e.g. soundcard)
/// </summary>
private async Task CreateDefaultDeviceOutputNode()
{
CreateAudioDeviceOutputNodeResult result = await _graph.CreateDeviceOutputNodeAsync();
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new Exception(result.Status.ToString());
}
_deviceOutputNode = result.DeviceOutputNode;
}
private async Task CreateAudioGraph()
{
var settings = new AudioGraphSettings(AudioRenderCategory.Media);
var result = await AudioGraph.CreateAsync(settings);
_graph = result.Graph;
var deviceOutputNodeResult = await _graph.CreateDeviceOutputNodeAsync();
_deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
_graph.ResetAllNodes();
_graph.Start();
}
private static async Task <AudioDeviceOutputNode> CreateAudioDeviceOutputNodeAsync(AudioGraph audio)
{
//create output node - speakers in our case
var result = await audio.CreateDeviceOutputNodeAsync();
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new Exception("Audio device node unavailable.");
}
return(result.DeviceOutputNode);
}
private async Task InitializeAudioOutput()
{
var deviceOutputNodeCreateResult = await _AudioGraph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeCreateResult.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new Exception(deviceOutputNodeCreateResult.Status.ToString());
}
var outputNode = deviceOutputNodeCreateResult.DeviceOutputNode;
_OutputNode = outputNode;
}
public async Task InitializeAsync()
{
DebugUtil.CheckAppThread();
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
// settings.DesiredRenderDeviceAudioProcessing = AudioProcessing.Raw;
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
DebugUtil.Assert(result.Status == AudioGraphCreationStatus.Success, "Failed to create audio graph");
_audioGraph = result.Graph;
int latencyInSamples = _audioGraph.LatencyInSamples;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = _audioGraph.CreateDeviceOutputNodeAsync().GetResults();
DebugUtil.Assert(deviceOutputNodeResult.Status == AudioDeviceNodeCreationStatus.Success,
$"Audio Device Output unavailable because {deviceOutputNodeResult.Status}");
_deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
_inputCaptureNode = _audioGraph.CreateFrameOutputNode(); // Create a device input node using the default audio input device
CreateAudioDeviceInputNodeResult deviceInputNodeResult = await _audioGraph.CreateDeviceInputNodeAsync(MediaCategory.Other);
DebugUtil.Assert(deviceInputNodeResult.Status == AudioDeviceNodeCreationStatus.Success,
$"Audio Device Input unavailable because {deviceInputNodeResult.Status}");
_deviceInputNode = deviceInputNodeResult.DeviceInputNode;
_deviceInputNode.AddOutgoingConnection(_inputCaptureNode);
_deviceInputNode.AddOutgoingConnection(_deviceOutputNode);
/*
* echoEffect = new EchoEffectDefinition(_graph);
* echoEffect.WetDryMix = 0.7f;
* echoEffect.Feedback = 0.5f;
* echoEffect.Delay = 500.0f;
* submixNode.EffectDefinitions.Add(echoEffect);
*
* // Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
* submixNode.DisableEffectsByDefinition(echoEffect);
*/
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
//_submixNode.OutgoingGain = 0.5;
}
private async Task CreateDeviceOutputNodeAsync()
{
// Create a device output node
CreateAudioDeviceOutputNodeResult result = await audioGraph.CreateDeviceOutputNodeAsync();
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
throw new InvalidOperationException("Can't init output device");
}
deviceOutputNode = result.DeviceOutputNode;
}
private async Task InitOuputNode()
{
var audioDeviceOutputNodeResult = await ag.CreateDeviceOutputNodeAsync();
if (audioDeviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
rootPage.ShowLogs("Output device failed: " + audioDeviceOutputNodeResult.Status);
return;
}
audioO = audioDeviceOutputNodeResult.DeviceOutputNode;
rootPage.ShowLogs("Output Node initialized successfully: " + audioO?.Device?.Name
+ " (channels :" + audioO?.EncodingProperties.ChannelCount + " )");
}
private async Task InitializeAsync()
{
var settings = new AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.GameEffects);
var graphCreationResult = await AudioGraph.CreateAsync(settings);
_graph = graphCreationResult.Graph;
var deviceOutputCreationResult = await _graph.CreateDeviceOutputNodeAsync();
_deviceOutput = deviceOutputCreationResult.DeviceOutputNode;
_graph.ResetAllNodes();
_graph.Start();
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
submixNodeContainer.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
private async Task <AudioDeviceOutputNode> AttachDeviceOutputNode(IAudioInputNode inputNode)
{
var deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
error.Text = String.Format("DeviceOutputNode creation failed because {0}", deviceOutputNodeResult.Status.ToString());
}
var deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
inputNode.AddOutgoingConnection(deviceOutputNode);
return(deviceOutputNode);
}
private async void Page_Loaded(object sender, RoutedEventArgs e)
{
// midi
var s = MidiInPort.GetDeviceSelector();
var information = await DeviceInformation.FindAllAsync(s);
var list = information.ToList();
port = await MidiInPort.FromIdAsync(list.ElementAt(2).Id);
port.MessageReceived += Port_MessageReceived;
// audio
var settings = new AudioGraphSettings(AudioRenderCategory.GameEffects);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
var creation = await AudioGraph.CreateAsync(settings);
graph = creation.Graph;
output = await graph.CreateDeviceOutputNodeAsync();
var encoding = graph.EncodingProperties;
encoding.ChannelCount = 1;
input = graph.CreateFrameInputNode(encoding);
input.AddOutgoingConnection(output.DeviceOutputNode);
input.Stop();
input.QuantumStarted += Input_QuantumStarted;
graph.Start();
// midi notes (pitch to note)
float a = 440; // a is 440 hz...
for (int x = 0; x < 127; ++x)
{
notes[x] = (a / 32f) * (float)Math.Pow(2f, ((x - 9f) / 12f));
}
}
private static async Task<AudioDeviceOutputNode> CreateAudioDeviceOutputNodeAsync(AudioGraph audio)
{
//create output node - speakers in our case
var result = await audio.CreateDeviceOutputNodeAsync();
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new Exception("Audio device node unavailable.");
}
return result.DeviceOutputNode;
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
subMixNode.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
private async void initGraph() {
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
FileOpenPicker filePicker = new FileOpenPicker();
filePicker.SuggestedStartLocation = PickerLocationId.MusicLibrary;
filePicker.FileTypeFilter.Add(".mp3");
filePicker.FileTypeFilter.Add(".wav");
StorageFile file = await GetPackagedFile(null, "audio.mp3");
CreateAudioFileInputNodeResult fileInputResult = await graph.CreateFileInputNodeAsync(file);
fileInput = fileInputResult.FileInputNode;
fileInput.AddOutgoingConnection(deviceOutput);
graph.Start();
}
private void CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = AudioGraph.CreateAsync(settings).GetResults();
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputResult = graph.CreateDeviceOutputNodeAsync().GetResults();
if (deviceOutputResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output
return;
}
deviceOutputNode = deviceOutputResult.DeviceOutputNode;
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
await ShowMessage(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()));
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
await ShowMessage(String.Format("Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()));
return;
}
deviceOutput = deviceOutputNodeResult.DeviceOutputNode;
await ShowMessage("Device Output Node successfully created");
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default settings
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
// Create the FrameInputNode at the same format as the graph, except explicitly set mono.
AudioEncodingProperties nodeEncodingProperties = graph.EncodingProperties;
nodeEncodingProperties.ChannelCount = 1;
frameInputNode = graph.CreateFrameInputNode(nodeEncodingProperties);
frameInputNode.AddOutgoingConnection(deviceOutputNode);
frameContainer.Background = new SolidColorBrush(Colors.Green);
// Initialize the Frame Input Node in the stopped state
frameInputNode.Stop();
// Hook up an event handler so we can start generating samples when needed
// This event is triggered when the node is required to provide data
frameInputNode.QuantumStarted += node_QuantumStarted;
// Start the graph since we will only start/stop the frame input node
graph.Start();
}
private async Task CreateAudioGraph()
{
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
settings.PrimaryRenderDevice = outputDevices[outputDevicesListBox.SelectedIndex - 1];
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
rootPage.NotifyUser("Graph successfully created!", NotifyType.StatusMessage);
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
outputDeviceContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output connection successfully created", NotifyType.StatusMessage);
outputDeviceContainer.Background = new SolidColorBrush(Colors.Green);
// Create a device input node using the default audio input device
CreateAudioDeviceInputNodeResult deviceInputNodeResult = await graph.CreateDeviceInputNodeAsync(MediaCategory.Other);
if (deviceInputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device input node
rootPage.NotifyUser(String.Format("Audio Device Input unavailable because {0}", deviceInputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
inputDeviceContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceInputNode = deviceInputNodeResult.DeviceInputNode;
rootPage.NotifyUser("Device Input connection successfully created", NotifyType.StatusMessage);
inputDeviceContainer.Background = new SolidColorBrush(Colors.Green);
// Since graph is successfully created, enable the button to select a file output
fileButton.IsEnabled = true;
// Disable the graph button to prevent accidental click
createGraphButton.IsEnabled = false;
// Because we are using lowest latency setting, we need to handle device disconnection errors
graph.UnrecoverableErrorOccurred += Graph_UnrecoverableErrorOccurred;
}