public void SetTrack(IMediaStreamTrack videoTrack)
{
var nativeVideoTrack = videoTrack.NativeObject as Webrtc.VideoTrack;
var cameraEnum = new Webrtc.Camera2Enumerator(_context);
var cameraDevices = cameraEnum.GetDeviceNames();
_isCamera = cameraDevices.Any(device => device == videoTrack.Id);
if (_isCamera)
{
var nativeVideoSource = AndroidSupport.GetNativeVideoSource(videoTrack);
var videoCapturer = cameraEnum.CreateCapturer(videoTrack.Id, null);
videoCapturer.Initialize(
Webrtc.SurfaceTextureHelper.Create(
"CameraVideoCapturerThread",
_eglBaseContext),
_context,
nativeVideoSource.CapturerObserver);
videoCapturer.StartCapture(480, 640, 30);
}
nativeVideoTrack.AddSink(_rendererView);
}
public Task <MediaDeviceInfo[]> EnumerateDevices()
{
var activity = Platform.CurrentActivity;
var context = activity.ApplicationContext;
var camera2Enumerator = new Webrtc.Camera2Enumerator(context);
var camera2Names = camera2Enumerator.GetDeviceNames();
var cameraCaptureDevices = camera2Names.Select(name => new MediaDeviceInfo
{
DeviceId = name,
GroupId = name,
Kind = MediaDeviceInfoKind.VideoInput,
Label = name
}).ToArray();
var cm = (CameraManager)activity.GetSystemService(global::Android.Content.Context.CameraService);
var cameraIds = cm.GetCameraIdList();
foreach (var cameraId in cameraIds)
{
var cameraCaptureDevice = cameraCaptureDevices.FirstOrDefault(
name => name.DeviceId.Equals(cameraId, StringComparison.OrdinalIgnoreCase));
if (cameraCaptureDevice is not null)
{
var characteristics = cm.GetCameraCharacteristics(cameraId);
var facing = characteristics.Get(CameraCharacteristics.LensFacing);
////var capabilities = characteristics.Get(CameraCharacteristics.RequestAvailableCapabilities);
if (((int)facing) == (int)LensFacing.Front)
{
cameraCaptureDevice.Label = LensFacing.Front.ToString();
}
else if (((int)facing) == (int)LensFacing.Back)
{
cameraCaptureDevice.Label = LensFacing.Back.ToString();
}
else if (((int)facing) == (int)LensFacing.External)
{
cameraCaptureDevice.Label = LensFacing.External.ToString();
}
}
}
var audioManager = (AudioManager)context.GetSystemService(
global::Android.Content.Context.AudioService);
var inputs = audioManager.GetDevices(GetDevicesTargets.Inputs);
var audioCaptureDevices = inputs.Select(input => new MediaDeviceInfo
{
DeviceId = input.Id.ToString(),
GroupId = input.Id.ToString(),
Kind = MediaDeviceInfoKind.AudioInput,
Label = input.Type.ToString() + (string.IsNullOrEmpty(input.Address) ?
string.Empty : "." + input.Address)
});
var outputs = audioManager.GetDevices(GetDevicesTargets.Outputs);
var audioRenderDevices = outputs.Select(output => new MediaDeviceInfo
{
DeviceId = output.Id.ToString(),
GroupId = output.Id.ToString(),
Kind = MediaDeviceInfoKind.AudioOutput,
Label = output.Type.ToString() + (string.IsNullOrEmpty(output.Address) ?
string.Empty : "." + output.Address)
});
return(Task.FromResult(
cameraCaptureDevices.Concat(audioCaptureDevices).Concat(audioRenderDevices).ToArray()));
}