private void buttonLoadBinaryData_Click(object sender, RoutedEventArgs e)
{
var picker = new Windows.Storage.Pickers.FileOpenPicker();
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary;
picker.FileTypeFilter.Add(".bin");
var dispatcher = this.Dispatcher;
((Action)(async() =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async() =>
{
var file = await picker.PickSingleFileAsync();
if (file == null)
{
return;
}
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
var reader = new Windows.Storage.Streams.DataReader(stream.GetInputStreamAt(0));
var count = await reader.LoadAsync((uint)stream.Size);
var buffer = reader.ReadBuffer(count);
var str = Util.BinaryBufferToBinaryString(buffer);
var index = (sender as Windows.UI.Xaml.Controls.Control).Name.Replace("buttonLoadBinaryData", "");
TextBox textBox = Util.FindControl(Input, "textBoxBinaryData" + index) as TextBox;
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
{
textBox.Text = str;
textBox.SetValue(RawBinaryDataProperty, buffer);
}));
}));
}
)).Invoke();
}
public static async System.Threading.Tasks.Task <int> SynSpeechWriteToFileAsync(string text, string fileName)
{
using (Windows.Media.SpeechSynthesis.SpeechSynthesizer synth = new Windows.Media.SpeechSynthesis.SpeechSynthesizer())
{
try
{
using (Windows.Media.SpeechSynthesis.SpeechSynthesisStream synthStream = await synth.SynthesizeTextToStreamAsyncServiceAsync(text, apiArgs)) // doesn't handle special characters such as quotes
{
// TODO: obsolete to use DataReader? use await Windows.Storage.FileIO.Read...(file);
using (Windows.Storage.Streams.DataReader reader = new Windows.Storage.Streams.DataReader(synthStream))
{
await reader.LoadAsync((uint)synthStream.Size);
Windows.Storage.Streams.IBuffer buffer = reader.ReadBuffer((uint)synthStream.Size);
Windows.Storage.StorageFolder tempFolder = await Windows.Storage.StorageFolder.GetFolderFromPathAsync(Options.options.tempFolderPath);
Windows.Storage.StorageFile srcFile = await tempFolder.CreateFileAsync(Options.options.audio.speechSynthesisFileName, Windows.Storage.CreationCollisionOption.ReplaceExisting);
await Windows.Storage.FileIO.WriteBufferAsync(srcFile, buffer);
Windows.Storage.FileProperties.MusicProperties musicProperties = await srcFile.Properties.GetMusicPropertiesAsync();
Log.WriteLine("Bitrate:" + musicProperties.Bitrate);
Windows.Media.MediaProperties.MediaEncodingProfile profile = Windows.Media.MediaProperties.MediaEncodingProfile.CreateWav(Windows.Media.MediaProperties.AudioEncodingQuality.Low);
Windows.Media.Transcoding.MediaTranscoder transcoder = new Windows.Media.Transcoding.MediaTranscoder();
Windows.Storage.StorageFile destFile = await tempFolder.CreateFileAsync(fileName, Windows.Storage.CreationCollisionOption.ReplaceExisting);
Windows.Media.Transcoding.PrepareTranscodeResult result = await transcoder.PrepareFileTranscodeAsync(srcFile, destFile, profile);
if (result.CanTranscode)
{
await result.TranscodeAsync();
}
else
{
Log.WriteLine("can't transcode file:" + result.FailureReason.ToString());
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
return(0);
}
private async Task <Stream> ReadFile(string filename)
{
var file = await Folder.GetFileAsync(filename);
if (!file.IsAvailable)
{
this.UpdateCache().ConfigureAwait(false);
return(null);
}
var fs = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
var inStream = fs.GetInputStreamAt(0);
var reader = new Windows.Storage.Streams.DataReader(inStream);
await reader.LoadAsync((uint)fs.Size);
var data = reader.ReadBuffer((uint)fs.Size);
reader.DetachStream();
return(data.AsStream());
}
/// <summary>
/// This is an internal method called from ReadInternal method.
/// </summary>
/// <param name="buffer">The byte array, passed to Read method.</param>
/// <param name="offset">The offset in the buffer array to begin writing.</param>
/// <param name="count">The number of bytes to read.</param>
/// <param name="timeout">Milliseconds before a time-out occurs.</param>
/// <param name="ct">A cancellation_token will be signaled by user cancellation.</param>
/// <returns>
/// The result of Task contains the length of bytes read. This may be less than count.
/// </returns>
private Task<int> ReadPartial(
Windows.Storage.Streams.IBuffer buffer,
int offset,
int count,
int timeout,
System.Threading.CancellationToken ct
)
{
// Buffer check.
if ((int)buffer.Length < (offset + count))
{
throw new ArgumentException("Capacity of buffer is not enough.");
}
var inputStream = this.cdcData.BulkInPipes[0].InputStream;
var reader = new Windows.Storage.Streams.DataReader(inputStream);
return Task.Run(async () =>
{
// CancellationTokenSource to cancel tasks.
var cancellationTokenSource = new System.Threading.CancellationTokenSource();
// LoadAsync task.
var loadTask = reader.LoadAsync((uint)count).AsTask<uint>(cancellationTokenSource.Token);
// A timeout task that completes after the specified delay.
var timeoutTask = Task.Delay(timeout == Constants.InfiniteTimeout ? System.Threading.Timeout.Infinite : timeout, cancellationTokenSource.Token);
// Cancel tasks by user's cancellation.
bool canceledByUser = false;
ct.Register(()=>
{
canceledByUser = true;
cancellationTokenSource.Cancel();
});
// Wait tasks.
Task[] tasks = { loadTask, timeoutTask };
var signaledTask = await Task.WhenAny(tasks);
// Check the task status.
bool loadCompleted = signaledTask.Equals(loadTask) && loadTask.IsCompleted && !loadTask.IsCanceled;
bool isTimeout = signaledTask.Equals(timeoutTask) && timeoutTask.IsCompleted && !timeoutTask.IsCanceled;
// Cancel all incomplete tasks.
cancellationTokenSource.Cancel();
int loadedCount = 0;
if (loadCompleted)
{
loadedCount = (int)loadTask.Result;
}
else if (isTimeout)
{
// Timeout.
throw new System.TimeoutException("ReadPartial was timeout.");
}
else if (canceledByUser)
{
throw new OperationCanceledException("ReadPartial was canceled.");
}
if (loadedCount > 0)
{
var readBuffer = reader.ReadBuffer((uint)loadedCount);
System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeBufferExtensions.CopyTo(readBuffer, 0, buffer, (uint)offset, (uint)loadedCount);
}
return loadedCount;
});
}
/// <summary>
/// This is an internal method called from ReadInternal method.
/// </summary>
/// <param name="buffer">The byte array, passed to Read method.</param>
/// <param name="offset">The offset in the buffer array to begin writing.</param>
/// <param name="count">The number of bytes to read.</param>
/// <param name="timeout">Milliseconds before a time-out occurs.</param>
/// <param name="ct">A cancellation_token will be signaled by user cancellation.</param>
/// <returns>
/// The result of Task contains the length of bytes read. This may be less than count.
/// </returns>
private Task <int> ReadPartial(
Windows.Storage.Streams.IBuffer buffer,
int offset,
int count,
int timeout,
System.Threading.CancellationToken ct
)
{
// Buffer check.
if ((int)buffer.Length < (offset + count))
{
throw new ArgumentException("Capacity of buffer is not enough.");
}
var inputStream = this.cdcData.BulkInPipes[0].InputStream;
var reader = new Windows.Storage.Streams.DataReader(inputStream);
return(Task.Run(async() =>
{
// CancellationTokenSource to cancel tasks.
var cancellationTokenSource = new System.Threading.CancellationTokenSource();
// LoadAsync task.
var loadTask = reader.LoadAsync((uint)count).AsTask <uint>(cancellationTokenSource.Token);
// A timeout task that completes after the specified delay.
var timeoutTask = Task.Delay(timeout == Constants.InfiniteTimeout ? System.Threading.Timeout.Infinite : timeout, cancellationTokenSource.Token);
// Cancel tasks by user's cancellation.
bool canceledByUser = false;
ct.Register(() =>
{
canceledByUser = true;
cancellationTokenSource.Cancel();
});
// Wait tasks.
Task[] tasks = { loadTask, timeoutTask };
var signaledTask = await Task.WhenAny(tasks);
// Check the task status.
bool loadCompleted = signaledTask.Equals(loadTask) && loadTask.IsCompleted && !loadTask.IsCanceled;
bool isTimeout = signaledTask.Equals(timeoutTask) && timeoutTask.IsCompleted && !timeoutTask.IsCanceled;
// Cancel all incomplete tasks.
cancellationTokenSource.Cancel();
int loadedCount = 0;
if (loadCompleted)
{
loadedCount = (int)loadTask.Result;
}
else if (isTimeout)
{
// Timeout.
throw new System.TimeoutException("ReadPartial was timeout.");
}
else if (canceledByUser)
{
throw new OperationCanceledException("ReadPartial was canceled.");
}
if (loadedCount > 0)
{
var readBuffer = reader.ReadBuffer((uint)loadedCount);
System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeBufferExtensions.CopyTo(readBuffer, 0, buffer, (uint)offset, (uint)loadedCount);
}
return loadedCount;
}));
}
private void buttonLoadBinaryData_Click(object sender, RoutedEventArgs e)
{
var picker = new Windows.Storage.Pickers.FileOpenPicker();
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary;
picker.FileTypeFilter.Add(".bin");
var dispatcher = this.Dispatcher;
((Action)(async () =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async () =>
{
var file = await picker.PickSingleFileAsync();
if (file == null)
{
return;
}
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
var reader = new Windows.Storage.Streams.DataReader(stream.GetInputStreamAt(0));
var count = await reader.LoadAsync((uint)stream.Size);
var buffer = reader.ReadBuffer(count);
var str = Util.BinaryBufferToBinaryString(buffer);
var index = (sender as Windows.UI.Xaml.Controls.Control).Name.Replace("buttonLoadBinaryData", "");
TextBox textBox = Util.FindControl(Input, "textBoxBinaryData" + index) as TextBox;
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
{
textBox.Text = str;
textBox.SetValue(RawBinaryDataProperty, buffer);
}));
}));
}
)).Invoke();
}
