public void OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
_camera2.ConfigureTransform(width, height);
}
public void OnSurfaceTextureUpdated(SurfaceTexture surface)
{
//throw new NotImplementedException();
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
previewPage.UnderlyingService.DetectionResultAquired -= OnDetectionResultAquired;
cameraPreview.PreviewTexture = null;
return(true);
}
public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
_camera2.OpenCamera(width, height);
}
public override bool onSurfaceTextureDestroyed(SurfaceTexture surface)
{
return(true);
}
public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
throw new NotImplementedException();
}
void TextureView.ISurfaceTextureListener.OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
StopCamera();
return(true);
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
StopBackgroundThread();
return(true);
}
bool TextureView.ISurfaceTextureListener.OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
return(true);
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
return(true);
}
public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
owner.OpenCamera(width, height); // TODO only open when the view is ready for viewing
}
public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
{
_surface = surface;
{
int cameraCount = Android.Hardware.Camera.NumberOfCameras;
int cameraId = 0;
Android.Hardware.Camera.CameraInfo cameraInfo = new Android.Hardware.Camera.CameraInfo();
for (int camIdx = 0; camIdx < cameraCount; camIdx++)
{
Android.Hardware.Camera.GetCameraInfo(camIdx, cameraInfo);
if (cameraInfo.Facing == Android.Hardware.CameraFacing.Front)
{
camera = Android.Hardware.Camera.Open(camIdx);
currentFacing = Android.Hardware.CameraFacing.Front;
cameraId = camIdx;
break;
}
}
if (camera == null)
{
camera = Android.Hardware.Camera.Open();
}
}
var parameters = camera.GetParameters();
var aspect = ((decimal)height) / ((decimal)width);
// Find the preview aspect ratio that is closest to the surface aspect
//var previewSize = parameters.SupportedPreviewSizes
// .OrderBy(s => Math.Abs(s.Width / (decimal)s.Height - aspect))
// .First();
var previewSize = parameters.SupportedPreviewSizes[2];
// mainLayout.LayoutParameters.Height = previewSize.Height;
// mainLayout.LayoutParameters.Width = previewSize.Width;
parameters.SetPreviewSize(previewSize.Width, previewSize.Height);
camera.SetParameters(parameters);
camera.SetPreviewTexture(surface);
StartCamera();
//caemra page render
Task.Run(() =>
{
NetProcess.JpegStream.Clear();
DateTime chk = DateTime.Now;
while (isDestroy == false)
{
try
{
if (NetProcess.JpegStream.Count == 0)
{
continue;
}
if (chk < DateTime.Now)
{
exitButton.Text = "exit";
chk = DateTime.Now.AddSeconds(3);
}
MainThread.BeginInvokeOnMainThread(() =>
{
StreamWrapper ms;
while (NetProcess.JpegStream.TryDequeue(out ms) == true)
{
if (ms == null)
{
continue;
}
var bitmap = BitmapFactory.DecodeByteArray(ms?.stream.ToArray(), 0, ms.stream.ToArray().Length);
ImageView imageView;
if (imageViewDic.TryGetValue(ms.pos, out imageView) == true)
{
imageView?.SetImageBitmap(bitmap);
}
else
{
AddImageView(ms.pos);
if (imageViewDic.TryGetValue(ms.pos, out imageView) == true)
{
imageView?.SetImageBitmap(bitmap);
}
}
//제일 하단 큰 스크린
if (ms.pos == target_pos)
{
ImageView imageView2;
if (imageViewDic.TryGetValue(6, out imageView2) == true)
{
imageView2?.SetImageBitmap(bitmap);
}
else
{
AddImageView(ms.pos);
if (imageViewDic.TryGetValue(6, out imageView2) == true)
{
imageView2?.SetImageBitmap(bitmap);
}
}
}
}
});
}
catch (Exception e)
{
}
}
});
//caemra page render
Task.Run(() =>
{
audiomgr?.record();
});
Task.Run(() =>
{
while (isDestroy == false)
{
StreamWrapper ms;
if (NetProcess.AudioStream.TryDequeue(out ms) == true)
{
if (ms == null)
{
continue;
}
audiomgr?.play(ms.stream.ToArray());
}
}
});
}
}
public override void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
// "onSurfaceTextureAvailable" is called, which means that CameraCaptureSession is not created.
// We need to configure transform for TextureView and crate CameraCaptureSession.
outerInstance.configureTransform(width, height);
outerInstance.createPreviewSession();
}
void TextureView.ISurfaceTextureListener.OnSurfaceTextureUpdated(SurfaceTexture surface)
{
}
public override bool onSurfaceTextureDestroyed(SurfaceTexture surface)
{
return true;
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surfaceTexture)
{
this._owner.StopCamera();
return(true);
}
public override void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
// SurfaceTexture size changed, we need to configure transform for TextureView, again.
outerInstance.configureTransform(width, height);
}
public void OnSurfaceTextureUpdated(SurfaceTexture surface)
{
this._owner.SurfaceTexture = surface;
this.ProcessOnSurfaceTextureUpdate();
}
public override void onSurfaceTextureUpdated(SurfaceTexture surface)
{
}
Task ToggleTorchAsync(bool switchOn)
{
return(Task.Run(() =>
{
lock (locker)
{
if (OperatingSystem.IsAndroidVersionAtLeast((int)BuildVersionCodes.M) && !AlwaysUseCameraApi)
{
var cameraManager = Platform.CameraManager;
foreach (var id in cameraManager.GetCameraIdList())
{
var hasFlash = cameraManager.GetCameraCharacteristics(id).Get(CameraCharacteristics.FlashInfoAvailable);
if (Java.Lang.Boolean.True.Equals(hasFlash))
{
try
{
cameraManager.SetTorchMode(id, switchOn);
break;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unable to SetTorchMode on {id}: {ex.Message}");
}
}
}
}
else
{
if (camera == null)
{
if (surface == null)
{
surface = new SurfaceTexture(0);
}
#pragma warning disable CS0618 // Camera types are deprecated in Android 10+
camera = Camera.Open();
// Nexus 5 and some devices require a preview texture
camera.SetPreviewTexture(surface);
}
var param = camera.GetParameters();
// Deprecated in an earlier android version
param.FlashMode = switchOn ? Camera.Parameters.FlashModeTorch : Camera.Parameters.FlashModeOff;
camera.SetParameters(param);
if (switchOn)
{
camera.StartPreview();
}
else
{
camera.StopPreview();
camera.Release();
camera.Dispose();
#pragma warning restore CS0618 // Type or member is obsolete
camera = null;
surface.Dispose();
surface = null;
}
}
}
}));
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
throw new NotImplementedException();
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
_camera.StopPreview();
_camera.Release();
return(true);
}
//async void TakePhotoButtonTapped(object sender, EventArgs e)
//{
// camera.StopPreview();
// var image = textureView.Bitmap;
// try
// {
// var absolutePath = Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDcim).AbsolutePath;
// var folderPath = absolutePath + "/Camera";
// var filePath = System.IO.Path.Combine(folderPath, string.Format("photo_{0}.jpg", Guid.NewGuid()));
// var fileStream = new FileStream(filePath, FileMode.Create);
// await image.CompressAsync(Bitmap.CompressFormat.Jpeg, 50, fileStream);
// fileStream.Close();
// image.Recycle();
// var intent = new Android.Content.Intent(Android.Content.Intent.ActionMediaScannerScanFile);
// var file = new Java.IO.File(filePath);
// var uri = Android.Net.Uri.FromFile(file);
// intent.SetData(uri);
// MainActivity.Instance.SendBroadcast(intent);
// }
// catch (Exception ex)
// {
// System.Diagnostics.Debug.WriteLine(@" ", ex.Message);
// }
// camera.StartPreview();
//}
public void OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
}
public void OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
PrepareAndStartCamera();
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
_camera2.CameraDevice?.Close();
_camera2.CameraDevice = null;
return(true);
}
public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
Console.WriteLine("Surface.TextureAvailable");
VideoPlayer.SetSurface(new Surface(surface));
}
public void OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
//throw new NotImplementedException();
}
public bool OnSurfaceTextureDestroyed(SurfaceTexture surface)
{
Console.WriteLine("Surface.TextureDestroyed");
RemoveVideo();
return(false);
}
public void OnSurfaceTextureUpdated(SurfaceTexture surface)
{
}
public void OnSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
Console.WriteLine("Surface.TextureSizeChanged");
}
public override void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
// SurfaceTexture size changed, we need to configure transform for TextureView, again.
outerInstance.configureTransform(width, height);
}
public void OnSurfaceTextureUpdated(SurfaceTexture surface)
{
Console.WriteLine("Surface.TextureUpdated");
}
public override void onSurfaceTextureUpdated(SurfaceTexture surface)
{
}
public override int startCapture()
{
if (isCaptureStarted)
{
return -1;
}
// Set the preferred capturing size
configureCaptureSize(PREFERRED_CAPTURE_WIDTH, PREFERRED_CAPTURE_HEIGHT);
// Set the capture parameters
Camera.Parameters parameters = mCamera.Parameters;
parameters.setPreviewSize(mCaptureWidth, mCaptureHeight);
parameters.PreviewFormat = PIXEL_FORMAT;
parameters.PreviewFrameRate = mCaptureFPS;
try
{
mCamera.Parameters = parameters;
}
catch (Exception e)
{
Log.e(LOGTAG, "setParameters failed", e);
return -1;
}
// Create capture buffers
PixelFormat pixelFormat = new PixelFormat();
PixelFormat.getPixelFormatInfo(PIXEL_FORMAT, pixelFormat);
int bufSize = mCaptureWidth * mCaptureHeight * pixelFormat.bitsPerPixel / 8;
sbyte[] buffer = null;
for (int i = 0; i < mNumCaptureBuffers; i++)
{
buffer = new sbyte[bufSize];
mCamera.addCallbackBuffer(buffer);
}
try
{
mSurfaceTexture = new SurfaceTexture(42);
mCamera.PreviewTexture = mSurfaceTexture;
}
catch (Exception e)
{
// TODO Auto-generated catch block
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
// Start preview
mCamera.PreviewCallbackWithBuffer = this;
mCamera.startPreview();
mPreviewBufferLock.@lock();
mExpectedFrameSize = bufSize;
isCaptureRunning = true;
mPreviewBufferLock.unlock();
isCaptureStarted = true;
return 0;
}
