public IEnumerable <CameraDeviceInformation> GetDeviceInformation()
{
var deviceList = new Native.CameraDeviceListStruct();
Native.GetDeviceList(Handle, ref deviceList).
ThrowIfFailed("Failed to get camera device list");
return(GetDeviceInformation(deviceList));
}
private void UnregisterDeviceConnectionChangedCallback()
{
Log.Debug(CameraLog.Tag, $"Enter. callbackId[{_connectionCallbackId}]");
if (_connectionCallbackId >= 0)
{
Native.UnsetDeviceConnectionChangedCallback(Handle, _connectionCallbackId).
ThrowIfFailed("Failed to unset device connection changed callback");
}
}
private void RegisterDeviceConnectionChangedCallback()
{
Native.DeviceConnectionChangedCallback callback = (ref Native.CameraDeviceStruct device, bool status, IntPtr userData) =>
{
DeviceConnectionChanged?.Invoke(this, new CameraDeviceConnectionChangedEventArgs(ref device, status));
};
Native.SetDeviceConnectionChangedCallback(Handle, callback, IntPtr.Zero, out connectionCallbackId).
ThrowIfFailed("Failed to set device connection changed callback");
}
private void RegisterDeviceConnectionChangedCallback()
{
_deviceConnectionChangedCallback = (ref Native.CameraDeviceStruct device, bool status, IntPtr userData) =>
{
Log.Debug(CameraLog.Tag, "Invoke DeviceConnectionChanged event");
_deviceConnectionChanged?.Invoke(this, new CameraDeviceConnectionChangedEventArgs(ref device, status));
};
Native.SetDeviceConnectionChangedCallback(Handle, _deviceConnectionChangedCallback, IntPtr.Zero, out _connectionCallbackId).
ThrowIfFailed("Failed to set device connection changed callback");
Log.Debug(CameraLog.Tag, $"callbackId[{_connectionCallbackId}]");
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
// to be used if there are any other disposable objects
}
if (_handle != IntPtr.Zero)
{
UnregisterDeviceConnectionChangedCallback();
Native.Deinitialize(_handle);
_handle = IntPtr.Zero;
}
_disposed = true;
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
Log.Debug(CameraLog.Tag, $"Enter. disposing:{disposing.ToString()}");
if (disposing)
{
// to be used if there are any other disposable objects
}
if (_handle != IntPtr.Zero)
{
UnregisterDeviceConnectionChangedCallback();
Native.Deinitialize(_handle);
_handle = IntPtr.Zero;
}
_disposed = true;
}
}
public CameraDeviceManager()
{
Native.Initialize(out _handle).ThrowIfFailed("Failed to initialize CameraDeviceManager");
}
public CameraDeviceManager()
{
Native.Initialize(out _handle).ThrowIfFailed("Failed to initialize CameraDeviceManager");
RegisterDeviceConnectionChangedCallback();
}
private void UnregisterDeviceConnectionChangedCallback()
{
Native.UnsetDeviceConnectionChangedCallback(Handle, connectionCallbackId).
ThrowIfFailed("Failed to unset device connection changed callback");
}
