public static async Task WriteableBitmapToStorageFile(WriteableBitmap WB, string fileName)
{
try
{
Guid BitmapEncoderGuid = BitmapEncoder.JpegEncoderId;
fileName += ".jpg";
StorageFolder videoThumbsFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync("videoThumbs", CreationCollisionOption.OpenIfExists);
var file = await videoThumbsFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoderGuid, stream);
using (Stream pixelStream = WB.PixelBuffer.AsStream())
{
byte[] pixels = new byte[pixelStream.Length];
await pixelStream.ReadAsync(pixels, 0, pixels.Length);
encoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Ignore,
(uint)WB.PixelWidth,
(uint)WB.PixelHeight,
96.0,
96.0,
pixels);
await pixelStream.FlushAsync();
}
await encoder.FlushAsync();
await stream.FlushAsync();
}
}
catch (Exception e)
{
LogHelper.Log("Failed to save the video thunbnail for videoId:" + fileName);
LogHelper.Log(StringsHelper.ExceptionToString(e));
}
}
static LogHelper()
{
Task.Run(() => InitBackendFile());
Task.Run(() => InitFrontendFile());
TaskScheduler.UnobservedTaskException += (sender, args) =>
{
args.SetObserved();
ApplicationSettingsHelper.SaveSettingsValue("LastUnhandledException", StringsHelper.ExceptionToString(args.Exception));
var lines = new List <string>(2)
{
"Unobserved Task Exception:",
args.Exception.ToString()
};
Task.Run(() => FrontendSemaphore(() => WriteInLog(_frontendLogFile, lines)));
};
App.Current.UnhandledException += (o, ex) =>
{
ApplicationSettingsHelper.SaveSettingsValue("LastUnhandledException", StringsHelper.ExceptionToString(ex.Exception));
var lines = new List <string>(2)
{
"Unhandled Exception:",
ex.Exception.ToString()
};
Task.Run(() => FrontendSemaphore(() => WriteInLog(_frontendLogFile, lines)));
};
}