internal async Task ProcessMessage(byte[] buf)
{
try
{
if (OffFrameProcessor == null)
{
return;
}
var slice = new Slice(buf);
var imageStart = OffFrameProcessor.CalcImageStart(slice);
if (LiveViewUpdated != null && imageStart > 60 && imageStart < buf.Length - 100 &&
buf[imageStart] == 0xff && buf[imageStart + 1] == 0xd8 && buf[buf.Length - 2] == 0xff &&
buf[buf.Length - 1] == 0xd9)
{
IntPoint?size = null;
foreach (var ev in LiveViewUpdated.GetInvocationList().Cast <LiveViewUpdatedDelegate>())
{
size = await ev(new ArraySegment <byte>(buf, imageStart, buf.Length - imageStart));
}
if (size != null)
{
OffFrameProcessor.Process(new Slice(slice, 0, imageStart), size.Value);
}
if (firstconnect)
{
firstconnect = false;
LogTrace($"Camera connected and got first frame {Device.ModelName}");
}
}
}
catch (Exception ex)
{
if (firstconnect)
{
firstconnect = false;
LogError($"Camera failed first frame {Device.ModelName}", ex);
}
}
}
public async Task <bool> Connect(int liveviewport, string lang)
{
language = lang;
var token = connectCancellation.Token;
var connectStage = 0;
try
{
LogTrace("Connecting camera " + Device.ModelName);
do
{
try
{
if (Profile.RequestConnection)
{
await RequestAccess(token);
}
connectStage = 1;
if (Profile.SetDeviceName)
{
await TryGet("?mode=setsetting&type=device_name&value=SM-G9350");
}
connectStage = 2;
LumixState.Reset();
LumixState.MenuSet = await GetMenuSet();
if (LumixState.MenuSet == null)
{
LogError($"Camera connection failed on Stage {connectStage} for camera {Device.ModelName}", "CameraConnect");
LumixState.IsLimited = true;
}
if (!LumixState.IsLimited)
{
LumixState.CurMenu = await GetCurMenu();
}
connectStage = 3;
await SwitchToRec();
connectStage = 4;
LumixState.LensInfo = await GetLensInfo();
connectStage = 5;
LumixState.State = await GetState();
connectStage = 6;
await http.Get <BaseRequestResult>($"?mode=startstream&value={liveviewport}", token);
token.ThrowIfCancellationRequested();
break;
}
catch (ConnectionLostException)
{
Debug.WriteLine("Connection lost", "Connection");
}
catch (TimeoutException)
{
Debug.WriteLine("Timeout", "Connection");
}
catch (OperationCanceledException)
{
return(false);
}
catch (Exception ex)
{
LogError($"Camera connection failed on Stage {connectStage} for camera {Device.ModelName}", ex);
}
await Task.Delay(1000, token);
}while (true);
if (OffFrameProcessor == null)
{
connectStage = 7;
OffFrameProcessor = new OffFrameProcessor(Device.ModelName, Parser, LumixState);
OffFrameProcessor.LensChanged += OffFrameProcessor_LensChanged;
}
stateTimer.Change(2000, 2000);
return(true);
}
catch (OperationCanceledException)
{
connectCancellation.Dispose();
return(false);
}
catch (Exception e)
{
LogError($"Camera connection failed on Stage {connectStage} for camera {Device.ModelName}", e);
return(false);
}
finally
{
isConnecting = false;
}
}
