public void EnumVideoFormats()
{
PeerConnection.GetVideoCaptureDevicesAsync().ContinueWith((enumDeviceTask) =>
{
Assert.IsNull(enumDeviceTask.Exception);
List <VideoCaptureDevice> devices = enumDeviceTask.Result;
if (devices.Count == 0)
{
Assert.Inconclusive("Host device has no available video capture device.");
}
foreach (var device in devices)
{
PeerConnection.GetVideoCaptureFormatsAsync(device.id).ContinueWith((enumFormatTask) =>
{
Assert.IsNull(enumFormatTask.Exception);
List <VideoCaptureFormat> formats = enumFormatTask.Result;
foreach (var format in formats)
{
Assert.That(format.width, Is.GreaterThan(0));
Assert.That(format.height, Is.GreaterThan(0));
Assert.That(format.framerate, Is.GreaterThan(0.0));
}
});
}
});
}
public async Task RefreshVideoCaptureFormatsAsync(VideoCaptureDeviceInfo item)
{
var formats = new CollectionViewModel <VideoCaptureFormatViewModel>();
if (item != null)
{
if (MediaCapture.IsVideoProfileSupported(item.Id))
{
foreach (var desc in VideoProfiles.SelectedItem?.SupportedRecordMediaDescription)
{
var formatVM = new VideoCaptureFormatViewModel();
formatVM.Format.width = desc.Width;
formatVM.Format.height = desc.Height;
formatVM.Format.framerate = desc.FrameRate;
//formatVM.Format.fourcc = desc.Subtype; // TODO: string => FOURCC
formatVM.FormatEncodingDisplayName = desc.Subtype;
formats.Add(formatVM);
}
}
else
{
// Device doesn't support video profiles; fall back on flat list of capture formats.
List <VideoCaptureFormat> formatsList = await PeerConnection.GetVideoCaptureFormatsAsync(item.Id);
foreach (var format in formatsList)
{
formats.Add(new VideoCaptureFormatViewModel
{
Format = format,
FormatEncodingDisplayName = FourCCToString(format.fourcc)
});
}
}
}
VideoCaptureFormats = formats;
// Select first item for convenience
VideoCaptureFormats.SelectFirstItemIfAny();
}