/// <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);
}
}
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();
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
await InitAudioGraph();
await CreateFileInputNode();
//await CreateFileOutputNode();
await CreateDeviceOutputNode();
//CreateFrameInputNode();
//CreateFrameOutputNode();
//CreateSubmixNode();
//fileInputNode.AddOutgoingConnection(deviceOutputNode, .7);
// AudioFileOutputNode fileOutputNode;
//fileInputNode.AddOutgoingConnection(fileOutputNode, 1.0);
//AudioSubmixNode submix = audioGraph.CreateSubmixNode();
fileInputNode.AddOutgoingConnection(deviceOutputNode);
//frameInputNode.AddOutgoingConnection(deviceOutputNode);
//submix.AddOutgoingConnection(deviceOutputNode);
//submix.AddOutgoingConnection(frameOutputNode);
AddEffect();
//AddCustomEffect();
audioGraph.Start();
//frameInputNode.Start();
}
public static async Task PlayAudio(StorageFile file)
{
await AudioDevices();
_isAudioPlaying = true;
CreateAudioFileInputNodeResult fileInputResult = await audioflow.CreateFileInputNodeAsync(file);
if (AudioFileNodeCreationStatus.Success != fileInputResult.Status)
{
// Cannot read input file
Debug.WriteLine(String.Format("Cannot read input file because {0}", fileInputResult.Status.ToString()));
_isAudioPlaying = false;
return;
}
if (!_isAudioPlaying)
{
Debug.WriteLine("Error detected!");
return;
}
fileInput = fileInputResult.FileInputNode;
fileInput.FileCompleted += FileInput_FileCompleted;
try
{
fileInput.AddOutgoingConnection(deviceOuput);
}
catch (Exception e)
{
Debug.WriteLine(e.ToString());
}
fileInput.StartTime = TimeSpan.FromSeconds(0);
audioflow.Start();
_isAudioPlaying = false;
}
// 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();
}
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);
}
private async Task ToggleRecordStop()
{
if (StartStop.Content.Equals("Record"))
{
graph.Start();
StartStop.Content = "Stop";
// audioPipe1.Fill = new SolidColorBrush(Colors.Blue);
// audioPipe2.Fill = new SolidColorBrush(Colors.Blue);
}
else if (StartStop.Content.Equals("Stop"))
{
// Good idea to stop the graph to avoid data loss
graph.Stop();
// audioPipe1.Fill = new SolidColorBrush(Color.FromArgb(255, 49, 49, 49));
// audioPipe2.Fill = new SolidColorBrush(Color.FromArgb(255, 49, 49, 49));
TranscodeFailureReason finalizeResult = await fileOutputNode.FinalizeAsync();
if (finalizeResult != TranscodeFailureReason.None)
{
// Finalization of file failed. Check result code to see why
// rootPage.NotifyUser(String.Format("Finalization of file failed because {0}", finalizeResult.ToString()), NotifyType.ErrorMessage);
GetFileName.Background = new SolidColorBrush(Colors.Red);
return;
}
StartStop.Content = "Record";
//rootPage.NotifyUser("Recording to file completed successfully!", NotifyType.StatusMessage);
GetFileName.Background = new SolidColorBrush(Colors.Green);
StartStop.IsEnabled = false;
// createGraphButton.IsEnabled = false;
}
}
async void CreateAudioGraphAsync()
{
var graphResult = await AudioGraph.CreateAsync(new AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.Media));
if (graphResult.Status != AudioGraphCreationStatus.Success)
{
throw new InvalidOperationException($"Graph creation failed {graphResult.Status}");
}
_graph = graphResult.Graph;
var inputNodeResult = await _graph.CreateDeviceInputNodeAsync(Windows.Media.Capture.MediaCategory.Media);
if (inputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
throw new InvalidOperationException($"Input node creation failed {inputNodeResult.Status}");
}
_inputNode = inputNodeResult.DeviceInputNode;
_source = AudioVisualizer.PlaybackSource.CreateFromAudioNode(_inputNode);
_converter = new SourceConverter();
_converter.Source = _source.Source;
_converter.MinFrequency = 110.0f; // Note A2
_converter.MaxFrequency = 3520.0f; // Note A7
_converter.FrequencyCount = 12 * 5 * 5; // 5 octaves, 5 bars per note
_converter.FrequencyScale = ScaleType.Logarithmic;
_converter.SpectrumRiseTime = TimeSpan.FromMilliseconds(20);
_converter.SpectrumFallTime = TimeSpan.FromMilliseconds(200);
_converter.RmsRiseTime = TimeSpan.FromMilliseconds(20); // Use RMS to gate noise, fast rise slow fall
_converter.RmsFallTime = TimeSpan.FromMilliseconds(500);
_converter.ChannelCount = 1;
notesSpectrum.Source = _converter;
_graph.Start();
}
/// <summary>
/// Recording code is taken from UWP samples and slightly reduced
///
/// - see official UWP samples on GitHub
/// https://github.com/Microsoft/Windows-universal-samples/blob/master/Samples/AudioCreation/cs/AudioCreation/Scenario2_DeviceCapture.xaml.cs
///
/// </summary>
public async Task StartRecording()
{
await CreateAudioGraph();
var temporaryFile = await ApplicationData.Current.TemporaryFolder.TryGetItemAsync(TemporaryWaveFile) as StorageFile;
if (temporaryFile != null)
{
await temporaryFile.DeleteAsync(StorageDeleteOption.Default);
}
temporaryFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(TemporaryWaveFile);
var fileProfile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.Medium);
var fileOutputNodeResult = await _audioGraph.CreateFileOutputNodeAsync(temporaryFile, fileProfile);
if (fileOutputNodeResult.Status != AudioFileNodeCreationStatus.Success)
{
await new MessageDialog("Cannot create output file: " + fileOutputNodeResult.Status).ShowAsync();
return;
}
_fileOutputNode = fileOutputNodeResult.FileOutputNode;
// Connect the input node to both output nodes
_deviceInputNode.AddOutgoingConnection(_fileOutputNode);
_deviceInputNode.AddOutgoingConnection(_deviceOutputNode);
// Ta da!
_audioGraph.Start();
}
public void PlaySound(int fileIndex)
{
if (hasInit == false)
{
return;
}
int index = fileIndex % 4;
if (isStarted == false)
{
// Signal started
isStarted = true;
// Stop other sounds from playing on first playthrough
for (int i = 0; i < 4; i++)
{
if (i == index)
{
continue;
}
inputNodes[i].Seek(TimeSpan.FromMilliseconds(inputNodes[i].Duration.Milliseconds - 1));
}
audioGraph.Start();
}
if (soundReady[index])
{
inputNodes[index].Seek(TimeSpan.FromSeconds(0.0));
inputNodes[index].Start();
}
}
public void Play()
{
if (_inputNode == null)
{
return;
}
_audioGraph?.Start();
State = MediaPlaybackState.Playing;
_timer?.Dispose();
_timer = null;
_timer = new Timer(state =>
{
if (!IsEnd)
{
OnPositionChanged();
return;
}
_timer?.Dispose();
_timer = null;
OnMediaEnd();
}, null, TimeSpan.Zero, TimeSpan.FromSeconds(1));
}
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();
}
}
}
/*
* public AudioFrameInputNode CreateAudioInputNode(AudioGraph audioGraph)
* {
* var inputNode = audioGraph.CreateFrameInputNode(AudioEncodingProperties.CreatePcm(16000, 4, 32));
* inputNode.QuantumStarted += InputNode_QuantumStarted;
* }
*
* private void InputNode_QuantumStarted(AudioFrameInputNode sender, FrameInputNodeQuantumStartedEventArgs args)
* {
* throw new NotImplementedException();
* }*/
public void Open()
{
if (!_isStarted)
{
_audioGraph.Start();
_isStarted = true;
}
}
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 AudioMatrix(AudioGraph audioGraph, AudioFileInputNode[,] audioFileInputNodes)
{
_audioGraph = audioGraph;
_audioFileInputNodes = audioFileInputNodes;
// we have to start audioGraph one time but we can start/stop individual
//input nodes as many times as needed
_audioGraph.Start();
}
private AudioMatrix(AudioGraph audioGraph, AudioFileInputNode[,] audioFileInputNodes)
{
_audioGraph = audioGraph;
_audioFileInputNodes = audioFileInputNodes;
// we have to start audioGraph one time but we can start/stop individual
//input nodes as many times as needed
_audioGraph.Start();
}
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 = $"playing {noteCount} notes in {noteCount / 3} octaves ({lowNote:0.0} -> {hiNote:0.0}), {graph.SamplesPerQuantum} samples, {mSLength:0.0}mS buffers";
DetailText.Text = setupDescription;
frameContainer.Background = new SolidColorBrush(Colors.Green);
// Start the graph since we will only start/stop the frame input node
graph.Start();
}
} //todo: Access is denied!!!
async Task NewMethod(StorageFolder sf)
{
try
{
foreach (StorageFolder item in await sf.GetFoldersAsync())
{
Debug.WriteLine(item.Name);
}
//var dbgFoldr0 = await sf.CreateFolderAsync("Dbg");
var dbgFoldr = await sf.GetFolderAsync("Dbg");
var inpFiles = await dbgFoldr.GetFilesAsync(CommonFileQuery.OrderByName);
foreach (var inpFile in inpFiles.Where(r => r.Name.StartsWith("[") && r.Name.EndsWith("3"))) //inpFiles.ForEach(inpFile =>{});
{
var outFile = await dbgFoldr.CreateFileAsync($"{_PlaybackSpeedFactor:N1}-{inpFile.Name}", CreationCollisionOption.ReplaceExisting);
var fileInputResult = await _graph.CreateFileInputNodeAsync(inpFile); if (AudioFileNodeCreationStatus.Success != fileInputResult.Status)
{
notifyUser(String.Format("Cannot read input file because {0}", fileInputResult.Status.ToString())); return;
}
var fileInput = fileInputResult.FileInputNode; //_fileInput.StartTime = TimeSpan.FromSeconds(10); //_fileInput.EndTime = TimeSpan.FromSeconds(20);
//fileInput.PlaybackSpeedFactor = _PlaybackSpeedFactor;
var fileOutNodeResult = await _graph.CreateFileOutputNodeAsync(outFile, CreateMediaEncodingProfile(outFile)); // Operate node at the graph format, but save file at the specified format
if (fileOutNodeResult.Status != AudioFileNodeCreationStatus.Success)
{
notifyUser(string.Format("Cannot create output file because {0}", fileOutNodeResult.Status.ToString())); return;
}
fileInput.AddOutgoingConnection(fileOutNodeResult.FileOutputNode);
//fileInput.AddOutgoingConnection(_deviceOutput);
fileInput.FileCompleted += fileInput_FileCompleted;
//nogo{
fileInput.EncodingProperties.Bitrate *= 2;
fileInput.EncodingProperties.SampleRate *= 2;
fileInput.EncodingProperties.BitsPerSample *= 2;
fileOutNodeResult.FileOutputNode.EncodingProperties.Bitrate /= 2;
fileOutNodeResult.FileOutputNode.EncodingProperties.SampleRate /= 2;
fileOutNodeResult.FileOutputNode.EncodingProperties.BitsPerSample /= 2;
//}nogo
_fileInputs.Add(fileInput);
}
_graph.Start(); //await Task.Delay(12000); _graph.Stop();
notifyUser("Started...");
}
catch (Exception ex) { Debug.WriteLine(ex); throw; }
}
private async void RecordStart(object sender, TappedRoutedEventArgs e)
{
if (!recordButtonPushed)
{
recordButtonPushed = true;
__start_record_button.Source = new BitmapImage(new Uri(this.BaseUri, "Assets/mic-512_pushed.png"));
await CreateAudioGraph();
graph.Start();
}
else
{
recordButtonPushed = false;
__start_record_button.Source = new BitmapImage(new Uri(this.BaseUri, "Assets/mic-512.png"));
graph.Stop();
TranscodeFailureReason finalizeResult = await fileOutputNode.FinalizeAsync();
if (finalizeResult != TranscodeFailureReason.None)
{
// Finalization of file failed. Check result code to see why
return;
}
Guid requestId = Guid.NewGuid();
var Uri = @"https://speech.platform.bing.com/recognize?version=3.0&requestid=" + requestId.ToString() + @"&appID=D4D52672-91D7-4C74-8AD8-42B1D981415A&format=json&locale=en-US&device.os=Windows%20OS&scenarios=ulm&instanceid=f1efbd27-25fd-4212-9332-77cd63176112";
var resp = SendRequestAsync(Uri, accessToken, "audio/wav; samplerate=16000", path);
string json = resp;
ParsedJson jsonResp = JsonConvert.DeserializeObject <ParsedJson>(json);
json = jsonResp.header.lexical.Replace("<profanity>", "");
json = json.Replace("</profanity>", "");
if (allDone)
{
precise = 0;
count = 0;
Result.Text = "";
allDone = false;
}
var temp = StringDifference(parts[count], json, jsonResp.results[0].confidence);
precise += temp;
Result.Text += json + " - " + temp.ToString("F1") + " %\n";
if (count + 1 < parts.Length)
{
count++;
}
else
{
Result.Text += "Общая точность: " + (precise / parts.Length).ToString("F1") + "%\n";
allDone = true;
}
}
}
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();
}
public async Task ToggleRecordStop()
{
if (!Recording) //Se não estiver gravando
{
graph.Start();
}
else if (Recording) // Se já estiver gravando
{
graph.Stop(); //Parar de gravar e salvar o pcm
await pcmFileNode.FinalizeAsync();
}
Recording = !Recording;
}
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 void PageLoaded(object sender, RoutedEventArgs e)
{
await CreateAudioGraph();
_graph.Start();
AddCustomEffect();
DispatcherTimer timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromSeconds(1);
timer.Tick += (s, args) =>
{
if (_fileInputNode == null)
{
return;
}
CurrentProgressPositionLabel.Text = _fileInputNode.Position.ToString(@"m\m\:s\s");
Progress.Value = _fileInputNode.Position.TotalSeconds;
};
timer.Start();
}
private async void playAudioFileButton_Click(object sender, RoutedEventArgs e)
{
await ResetAudioGraph();
var fileInputNode = await AttachFileInputNode(audioFile, async (AudioFileInputNode senderNode, object args) =>
{
graph.Stop();
senderNode.Reset();
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
playAudioFileButton.IsEnabled = true;
transcribeAudioFileButton.IsEnabled = true;
});
});
await AttachDeviceOutputNode(fileInputNode);
graph.Start();
playAudioFileButton.IsEnabled = false;
transcribeAudioFileButton.IsEnabled = false;
}
public static async Task CreateDeviceInputNode()
{
Console.WriteLine("Creating AudioGraphs");
// Create an AudioGraph with default settings
AudioGraphSettings graphsettings = new AudioGraphSettings(AudioRenderCategory.GameChat);
graphsettings.EncodingProperties = new AudioEncodingProperties();
graphsettings.EncodingProperties.Subtype = "Float";
graphsettings.EncodingProperties.SampleRate = 48000;
graphsettings.EncodingProperties.ChannelCount = 2;
graphsettings.EncodingProperties.BitsPerSample = 32;
graphsettings.EncodingProperties.Bitrate = 3072000;
//settings.DesiredSamplesPerQuantum = 960;
//settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.ClosestToDesired;
CreateAudioGraphResult graphresult = await AudioGraph.CreateAsync(graphsettings);
if (graphresult.Status != AudioGraphCreationStatus.Success)
{
// Cannot create graph
return;
}
ingraph = graphresult.Graph;
AudioGraphSettings nodesettings = new AudioGraphSettings(AudioRenderCategory.GameChat);
nodesettings.EncodingProperties = AudioEncodingProperties.CreatePcm(48000, 2, 16);
nodesettings.DesiredSamplesPerQuantum = 960;
nodesettings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.ClosestToDesired;
frameOutputNode = ingraph.CreateFrameOutputNode(outgraph.EncodingProperties);
quantum = 0;
ingraph.QuantumStarted += Graph_QuantumStarted;
Windows.Devices.Enumeration.DeviceInformation selectedDevice =
await Windows.Devices.Enumeration.DeviceInformation.CreateFromIdAsync(Windows.Media.Devices.MediaDevice.GetDefaultAudioCaptureId(Windows.Media.Devices.AudioDeviceRole.Default));
CreateAudioDeviceInputNodeResult result =
await ingraph.CreateDeviceInputNodeAsync(MediaCategory.Media, nodesettings.EncodingProperties, selectedDevice);
if (result.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
return;
}
deviceInputNode = result.DeviceInputNode;
deviceInputNode.AddOutgoingConnection(frameOutputNode);
frameOutputNode.Start();
ingraph.Start();
}
public async Task Play(SongViewModel song)
{
if (mainInputNode == null)
{
mainInputNode = await song.Song.CreateNode(graph);
mainSong = song;
NextJump = mainSong.Jumps.FirstOrDefault();
mainInputNode.AddOutgoingConnection(outputNode);
graph.Start();
IsPlaying = true;
}
else if (IsPlaying)
{
var jump = new JumpViewModel(mainSong)
{
Origin = mainInputNode.Position + TimeSpan.FromSeconds(5),
TargetSong = song,
TargetTime = TimeSpan.FromSeconds(5),
CrossFade = TimeSpan.FromSeconds(5)
};
if (mainInputNode.Duration < jump.Origin)
{
jump.Origin = mainInputNode.Duration;
jump.CrossFade = mainInputNode.Duration - mainInputNode.Position;
jump.TargetTime = jump.CrossFade;
}
NextJump = jump;
}
else
{
if (mainInputNode != null)
{
mainInputNode.RemoveOutgoingConnection(outputNode);
mainInputNode.Dispose();
mainInputNode = null;
mainSong = null;
}
if (subInputNode != null)
{
subInputNode.RemoveOutgoingConnection(outputNode);
subInputNode.Dispose();
subInputNode = null;
subSong = null;
}
IsFading = false;
await Play(song);
}
}
/// <summary>
/// Plays audio from specified file.
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public async Task PlayFromFile(string fileName)
{
lock (this)
{
isInitialized.CheckIfFulfills("Speaker", "initialized", true);
isPlaying = true;
}
await CreateFileInputNode(fileName);
fileInput.AddOutgoingConnection(deviceOutput);
audioGraph.Start();
}
private void TogglePlay()
{
//Toggle playback
if (graphButton.Content.Equals("Start Graph"))
{
graph.Start();
graphButton.Content = "Stop Graph";
}
else
{
graph.Stop();
graphButton.Content = "Start Graph";
}
}
public bool HitButton()
{
isOn = !isOn;
if (isOn)
{
ag.Start();
}
else
{
ag.Stop();
}
return(isOn);
}
public async Task StartRecordingAsync(string recordingFilename)
{
_outputFilename = recordingFilename;
_storageFile = await ApplicationData.Current.LocalFolder
.CreateFileAsync(_outputFilename, CreationCollisionOption.ReplaceExisting);
Debug.WriteLine($"StartRecordingAsync : {_storageFile.Path}");
await InitialiseAudioGraph();
await InitialiseAudioFileOutputNode();
await InitialiseAudioFeed();
_audioGraph.Start();
}
public async void RecordOrStop(int value)
{
if (value == 1)
{
secondstimer.Start();
graph.Start();
secondscount = 0;
await Recordings.ShowAsync();
}
else
{
secondstimer.Stop();
graph.Stop();
TranscodeFailureReason finalizeResult = await fileOutputNode.FinalizeAsync();
if (finalizeResult != TranscodeFailureReason.None)
{
MessageDialog md = new MessageDialog("Error in saving the audio", "OOPS!!");
await md.ShowAsync();
return;
}
else
{
MessageDialog md = new MessageDialog("Sucessfully saved", "Hurray!!");
await md.ShowAsync();
UpdateInCommentSection(storageFile.Name);
com1.Add(new comments {
empname = pd.emp.name, message = storageFile.Name, dt = DateTime.Now, empid = pd.emp.id, IsFile = true, storagefile = storageFile
});
commentsSection.ItemsSource = null;
commentsSection.ItemsSource = com1;
Recordings.Hide();
}
}
}
async private void ToggleRecord2(object sender, RoutedEventArgs e)
{
var btn_record_audio = sender as ToggleButton;
if (btn_record_audio.IsChecked == false)
{
_graph_record.Stop();
_graph_record.Dispose();
await PlayAudio(_target_file);
//using the media element to play the sound
//var raf_stream = await _target_file.OpenReadAsync();
//media.SetSource(raf_stream, "");
//media.Play();
}
else
{
//initialize the audio graph for recording and then start recording
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status == AudioGraphCreationStatus.Success)
{
_graph_record = result.Graph;
//setup the input
var input_node = (await _graph_record.CreateDeviceInputNodeAsync(Windows.Media.Capture.MediaCategory.Other)).DeviceInputNode;
//setup the output (place where audio will be recorded to)
var feedback_folder = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFolderAsync("AudioFeedback", CreationCollisionOption.OpenIfExists);
_target_file = await feedback_folder.CreateFileAsync("audio message.mp3", CreationCollisionOption.GenerateUniqueName);
var profile = MediaEncodingProfile.CreateMp3(AudioEncodingQuality.High);
var file_output_node = (await _graph_record.CreateFileOutputNodeAsync(_target_file, profile)).FileOutputNode;
//direct the input to the output
input_node.AddOutgoingConnection(file_output_node);
media.Stop(); //stop playback since we are recording
_graph_record.Start();
}
else
{
await new MessageDialog("Could not initialize recorder").ShowAsync();
}
}
}
private void TogglePlay()
{
// Toggle playback
if (playing == false)
{
System.Diagnostics.Debug.WriteLine("Playing");
graph.Start();
playing = true;
}
else
{
playing = false;
graph.Stop();
}
}
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 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 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();
}
