public async System.Threading.Tasks.Task CreateAudioGraphAsync(string outputFileName)
{
Windows.Media.Audio.AudioGraphSettings graphSettings = new Windows.Media.Audio.AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.Media);
graphSettings.QuantumSizeSelectionMode = Windows.Media.Audio.QuantumSizeSelectionMode.LowestLatency;
// TODO: let user pick from list of devices instead of blindly picking first one -- hoping for the microphone.
Windows.Devices.Enumeration.DeviceInformationCollection deviceInformationCollection = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.AudioRender);
Windows.Devices.Enumeration.DeviceInformation deviceInformation = deviceInformationCollection[0]; // blindly pick first one
graphSettings.PrimaryRenderDevice = deviceInformation;
Windows.Media.Audio.CreateAudioGraphResult result = await Windows.Media.Audio.AudioGraph.CreateAsync(graphSettings);
if (result.Status != Windows.Media.Audio.AudioGraphCreationStatus.Success)
{
WoundifyShared.Log.WriteLine("Cannot create graph:" + result.Status.ToString());
return;
}
graph = result.Graph;
await AudioDeviceInputAsync(); // setup microphone (usually)
//await AudioDeviceOutputAsync(); // setup speakers (usually)
await AudioFileOutputAsync(WoundifyShared.Options.options.tempFolderPath + outputFileName); // setup file
deviceInputNode.AddOutgoingConnection(fileOutputNode);
}
//</SnippetCreateDeviceOutputNode>
private async Task EnumerateAudioCaptureDevices()
{
//<SnippetEnumerateAudioCaptureDevices>
Windows.Devices.Enumeration.DeviceInformationCollection devices =
await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Media.Devices.MediaDevice.GetAudioCaptureSelector());
// Show UI to allow the user to select a device
Windows.Devices.Enumeration.DeviceInformation selectedDevice = ShowMyDeviceSelectionUI(devices);
CreateAudioDeviceInputNodeResult result =
await audioGraph.CreateDeviceInputNodeAsync(Windows.Media.Capture.MediaCategory.Media, audioGraph.EncodingProperties, selectedDevice);
//</SnippetEnumerateAudioCaptureDevices>
}
//</SnippetInitAudioGraph>
private async Task EnumerateAudioRenderDevices()
{
AudioGraphSettings settings = new AudioGraphSettings(Windows.Media.Render.AudioRenderCategory.Media);
//<SnippetEnumerateAudioRenderDevices>
Windows.Devices.Enumeration.DeviceInformationCollection devices =
await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Media.Devices.MediaDevice.GetAudioRenderSelector());
// Show UI to allow the user to select a device
Windows.Devices.Enumeration.DeviceInformation selectedDevice = ShowMyDeviceSelectionUI(devices);
settings.PrimaryRenderDevice = selectedDevice;
//</SnippetEnumerateAudioRenderDevices>
}
private Windows.Devices.Enumeration.DeviceInformation ShowMyDeviceSelectionUI(Windows.Devices.Enumeration.DeviceInformationCollection devices)
{
return(devices[0]);
}
private async Task <Tuple <bool, string> > InitializeScannerAsync()
{
try
{
var x = await WriteProfile.Write("HoneywellDecoderSettingsV2.exm");
if (App.scanner == null)
{
App.scanner = await Windows.Devices.PointOfService.BarcodeScanner.GetDefaultAsync();
if (App.scanner == null)
{
Windows.Devices.Enumeration.DeviceInformationCollection deviceCollection = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.PointOfService.BarcodeScanner.GetDeviceSelector());
if (deviceCollection != null && deviceCollection.Count > 0)
{
scannerInitComplete = false;
foreach (Windows.Devices.Enumeration.DeviceInformation D in deviceCollection)
{
if (D.Id.Contains("POSBarcodeScanner"))
{
App.scanner = await Windows.Devices.PointOfService.BarcodeScanner.FromIdAsync(D.Id);
}
}
}
}
}
if (App.scanner != null)
{
App.claimedScanner = await App.scanner.ClaimScannerAsync();
}
if (App.claimedScanner != null)
{
App.claimedScanner.DataReceived += ClaimedScanner_DataReceivedAsync;
App.claimedScanner.ReleaseDeviceRequested += OnClaimedScannerReleaseDeviceRequested;
App.claimedScanner.IsDecodeDataEnabled = true;
await App.claimedScanner.EnableAsync();
//await obj.claimedScanner.SetActiveSymbologiesAsync(new List<uint> { 0 });
foreach (string ProfileName in App.scanner.GetSupportedProfiles())
{
if (ProfileName == "Develok Profile")
{
await App.claimedScanner.SetActiveProfileAsync(ProfileName); break;
}
}
scannerInitComplete = true;
MessagingCenter.Send <xx.App, string>((xx.App)obj.xxApp, "scannerInitStatus", "true");
return(new Tuple <bool, string>(true, null));
}
else
{
return(new Tuple <bool, string>(false, "InitializeScannerAsync 1"));
}
}
catch (Exception ex)
{
//MessagingCenter.Send<xx.App, string>((xx.App)obj.xxApp, "exception", "ScrannerInit/InitializeScannerAsync: " + ex.Message);
return(new Tuple <bool, string>(false, "InitializeScannerAsync " + ex.Message));
}
}
private async Task <Tuple <bool, string> > InitializeScannerAsync()
{
try
{
//var wp = new xx.UWP.WriteProfile();
//var x = await wp.Write(ProfileFileName);
if (scanner == null)
{
scanner = await Windows.Devices.PointOfService.BarcodeScanner.GetDefaultAsync();
if (scanner == null)
{
Windows.Devices.Enumeration.DeviceInformationCollection deviceCollection = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.PointOfService.BarcodeScanner.GetDeviceSelector());
if (deviceCollection != null && deviceCollection.Count > 0)
{
scannerInitComplete = false;
foreach (Windows.Devices.Enumeration.DeviceInformation D in deviceCollection)
{
if (D.Id.Contains("POSBarcodeScanner"))
{
scanner = await Windows.Devices.PointOfService.BarcodeScanner.FromIdAsync(D.Id);
}
}
}
}
}
if (scanner != null)
{
claimedScanner = await scanner.ClaimScannerAsync();
}
if (claimedScanner != null)
{
claimedScanner.DataReceived += ClaimedScanner_DataReceivedAsync;
claimedScanner.ReleaseDeviceRequested += OnClaimedScannerReleaseDeviceRequested;
claimedScanner.IsDecodeDataEnabled = true;
await claimedScanner.EnableAsync();
//await obj.claimedScanner.SetActiveSymbologiesAsync(new List<uint> { 0 });
foreach (string ProfileName in scanner.GetSupportedProfiles())
{
if (ProfileName == "Develok Profile")
{
await claimedScanner.SetActiveProfileAsync(ProfileName); break;
}
}
scannerInitComplete = true;
//mp.BtnSettingsBackground(new SolidColorBrush(Color.FromArgb(120, 0, 255, 0)));
//if (!mp.skipUpdate)
//{
// mp.successOfScanner = true;
// if (mp.lstLocalScannerSettings.First().restAddress == "olemas")
// {
// if (await mp.DisplayMessageYesNoAsync("Serveri aadress on seadistamata. Kas soovid seda teha?"))
// {
// mp.PrepareSettings();
// }
// }
// else
// {
// CheckNewVersionAvailabilityAsync.Check(mp);
// mp.TxtBkScannedValue.Focus(FocusState.Programmatic);
// }
//}
return(new Tuple <bool, string>(true, null));
}
else
{
//mp.BtnSettingsBackground(new SolidColorBrush(Colors.Red));
return(new Tuple <bool, string>(false, "InitializeScannerAsync 1"));
}
}
catch (Exception ex)
{
return(new Tuple <bool, string>(false, "InitializeScannerAsync " + ex.Message));
//mp.SendDebugErrorMessage(this.GetType().Name, "InitializeScannerAsync", ex);
}
}