public void StartPreview()
{
if (liveTextureView.SurfaceTexture == null)
{
return;
}
var texture = liveTextureView.SurfaceTexture;
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
var surface = new Surface(texture);
previewBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
previewBuilder.AddTarget(surface);
CameraDevice.CreateCaptureSession(new List <Surface> {
surface
}, new CameraCaptureStateListener
{
OnConfigureFailedAction = (CameraCaptureSession session) =>
{
},
OnConfiguredAction = (CameraCaptureSession session) =>
{
previewSession = session;
previewBuilder.Set(CaptureRequest.ControlMode, new Java.Lang.Integer((int)ControlMode.Auto));
var thread = new HandlerThread("CameraPicture");
thread.Start();
var backgroundHandler = new Handler(thread.Looper);
previewSession.SetRepeatingRequest(previewBuilder.Build(), null, backgroundHandler);
}
}, null);
}
// Creates a new {@link CameraCaptureSession} for camera preview.
public void CreateCameraPreviewSession()
{
try
{
SurfaceTexture texture = mTextureView.SurfaceTexture;
if (texture == null)
{
throw new IllegalStateException("texture is null");
}
// We configure the size of default buffer to be the size of camera preview we want.
texture.SetDefaultBufferSize(mPreviewSize.Width, mPreviewSize.Height);
// This is the output Surface we need to start preview.
Surface surface = new Surface(texture);
// We set up a CaptureRequest.Builder with the output Surface.
MPreviewRequestBuilder = MCameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
MPreviewRequestBuilder.AddTarget(surface);
// Here, we create a CameraCaptureSession for camera preview.
List <Surface> surfaces = new List <Surface> {
surface
};
MCameraDevice.CreateCaptureSession(surfaces, new CameraCaptureSessionCallback(this), null);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
}
#pragma warning restore CS0618 // Type or member is obsolete
#endregion
public void StartPreview()
{
if (mCameraDevice == null || !textureView.IsAvailable || mPreviewSize == null)
{
return;
}
try
{
SurfaceTexture texture = textureView.SurfaceTexture;
System.Diagnostics.Debug.Assert(texture != null);
// We configure the size of the default buffer to be the size of the camera preview we want
texture.SetDefaultBufferSize(mPreviewSize.Width, mPreviewSize.Height);
// This is the output Surface we need to start the preview
previewSurface = new Surface(texture);
// We set up a CaptureRequest.Builder with the output Surface
mPreviewBuilder = mCameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
mPreviewBuilder.AddTarget(previewSurface);
// Here, we create a CameraCaptureSession for camera preview.
mCameraDevice.CreateCaptureSession(new List <Surface>()
{
previewSurface
},
new CameraCaptureStateListener()
{
OnConfigureFailedAction = (CameraCaptureSession session) =>
{
Activity activity = Activity;
if (activity != null)
{
Toast.MakeText(activity, "Failed", ToastLength.Short).Show();
}
},
OnConfiguredAction = (CameraCaptureSession session) =>
{
mPreviewSession = session;
UpdatePreview();
}
},
null);
takePhotoButton.Enabled = true;
}
catch (CameraAccessException ex)
{
Log.WriteLine(LogPriority.Info, "Camera2BasicFragment", ex.StackTrace);
}
}
public void startPreview()
{
if (null == cameraDevice || !activity.textureView.IsAvailable || null == previewSize)
{
return;
}
try
{
SetUpRecoder();
SurfaceTexture texture = activity.textureView.SurfaceTexture;
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
previewBuilder = cameraDevice.CreateCaptureRequest(CameraTemplate.Record);
var surfaces = new List <Surface>();
var previewSurface = new Surface(texture);
surfaces.Add(previewSurface);
previewBuilder.AddTarget(previewSurface);
var recorderSurface = mediaRecorder.Surface;
surfaces.Add(recorderSurface);
previewBuilder.AddTarget(recorderSurface);
cameraDevice.CreateCaptureSession(surfaces, new PreviewCaptureStateCallback(activity, this), backgroundHandler);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
catch (Java.IO.IOException e)
{
e.PrintStackTrace();
}
}
public async Task <ICameraPreview> OpenWithPreviewAsync(Xamarin.Forms.Size previewRequestSize)
{
await OpenAsync(true);
var stateCallback = new StateCallback();
stateCallback.Configured += SessionConfigured;
stateCallback.ConfigureFailed += SessionConfigureFailed;
var previewSurface = _cameraPreview.CreateSurface(previewRequestSize);
_previewRequestBuilder.AddTarget(previewSurface);
_previewRequestBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
var characteristics = _manager.GetCameraCharacteristics(_cameraDevice.Id);
var map = (StreamConfigurationMap)characteristics.Get(CameraCharacteristics.ScalerStreamConfigurationMap);
// ReSharper disable once CoVariantArrayConversion
_imageSize = (Size)Collections.Max(
Arrays.AsList(map.GetOutputSizes((int)ImageFormatType.Jpeg)),
new CompareSizesByArea());
_imageReader = ImageReader.NewInstance(_imageSize.Width, _imageSize.Height,
ImageFormatType.Jpeg, /* maxImages */ 2);
_imageAvailableListener = new ImageAvailableListener();
_imageAvailableListener.ImageAvailable += CaptureAvailable;
_imageReader.SetOnImageAvailableListener(_imageAvailableListener, _backgroundThread.Handler);
var surfaces = new List <Surface> {
previewSurface, _imageReader.Surface
};
_cameraDevice.CreateCaptureSession(surfaces, stateCallback, null);
return(_cameraPreview);
}
public async void CreateCaptureSession()
{
int totalWaitTime = 0;
int increment = 100;
//wait for the camera device to initialize
while (_cameraDevice == null)
{
await Task.Delay(increment);
totalWaitTime = totalWaitTime + increment;
if (totalWaitTime > _maxWaitTimeMilliseconds)
{
throw new Exception(String.Format("Timeout ({0} milliseconds) waiting for camera device to be created.", _maxWaitTimeMilliseconds));
}
}
var surface = _yuvImageReader.Get().Surface;
//surface.DescribeContents()
CameraCaptureSessionCallback ccsc =
new CameraCaptureSessionCallback(_cameraDevice, surface, _cameraStateLock, _backgroundHandler, TAG);
ccsc.OnConfigurationComplete += (sender, args) =>
{
_state = STATE_PREVIEW;
_captureSession = args;
};
_cameraDevice.CreateCaptureSession(new List <Surface>()
{
surface
}, ccsc, _backgroundHandler);
}
/// <summary>
/// Обработка событий от камеры
/// </summary>
/// <param name="camera"></param>
/// <param name="state"></param>
private void _cameraStateChange(CameraDevice camera, CameraState state)
{
switch (state)
{
case CameraState.Opened:
var surfaceTexture = Texture.SurfaceTexture;
surfaceTexture.SetDefaultBufferSize(1920, 1080);
var surface = new Surface(surfaceTexture);
//переод. событие для обновл. картинки
var captureRequestBuilder = camera.CreateCaptureRequest(CameraTemplate.Preview);
captureRequestBuilder.AddTarget(surface);
camera.CreateCaptureSession(new List <Surface> {
surface
}, new CamaraConfigurationCallback(_cameraStateChange, captureRequestBuilder.Build()), null);
break;
case CameraState.Disconected:
camera.Close();
break;
case CameraState.Configurated:
break;
}
}
public void StartPreview()
{
if (CameraDevice == null || !_cameraTexture.IsAvailable || _previewSize == null)
{
return;
}
var texture = _cameraTexture.SurfaceTexture;
texture.SetDefaultBufferSize(_previewSize.Width, _previewSize.Height);
var surface = new Surface(texture);
_previewBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
_previewBuilder.AddTarget(surface);
List <Surface> surfaces = new List <Surface>();
surfaces.Add(surface);
surfaces.Add(_imageReader.Surface);
CameraDevice.CreateCaptureSession(surfaces,
new CameraCaptureStateListener
{
OnConfigureFailedAction = session =>
{
},
OnConfiguredAction = session =>
{
_previewSession = session;
UpdatePreview();
}
},
_backgroundHandler);
}
public override void OnOpened(CameraDevice camera)
{
// プレビュー用のSurfaceViewをリストに登録
SurfaceView surfaceView = m_parent.m_surfaceView;
ViewGroup.LayoutParams lp = (ViewGroup.LayoutParams)surfaceView.LayoutParameters;
lp.Width = 320; //横幅
lp.Height = 240; //縦幅
surfaceView.LayoutParameters = lp;
surfaceView.Holder.SetFixedSize(240, 320);//縦で持つときはwidth height が逆
List <Surface> surfaceList = new List <Surface>();
surfaceList.Add(surfaceView.Holder.Surface);
try
{
// プレビューリクエストの設定（SurfaceViewをターゲットに）
m_parent.m_PreviewBuilder = camera.CreateCaptureRequest(CameraTemplate.Preview);
m_parent.m_PreviewBuilder.AddTarget(surfaceView.Holder.Surface);
// キャプチャーセッションの開始(セッション開始後に第2引数のコールバッククラスが呼ばれる)
camera.CreateCaptureSession(surfaceList, new CameraCaptureSessionCallback(m_parent), null);
}
catch (CameraAccessException e)
{
// エラー時の処理を記載
}
}
public void CameraOpened()
{
mPreviewRequestBuilder = mCameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
List <Surface> Targets = new List <Surface>();
Targets.Add(multiReader.Surface);
mCameraDevice.CreateCaptureSession(Targets, StateCallback, null);
}
/** Creates a new {@link CameraCaptureSession} for camera preview. */
private void createCameraPreviewSession()
{
try
{
SurfaceTexture texture = textureView.SurfaceTexture;
// assert texture != null;
// We configure the size of default buffer to be the size of camera preview we want.
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
// This is the output Surface we need to start preview.
Surface surface = new Surface(texture);
// We set up a CaptureRequest.Builder with the output Surface.
previewRequestBuilder = cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
previewRequestBuilder.AddTarget(surface);
StateCallback call = new StateCallback();
call.OnConfiguredHandler += (sender, e) =>
{
if (null == cameraDevice)
{
return;
}
// When the session is ready, we start displaying the preview.
captureSession = e;// cameraCaptureSession;
try
{
// Auto focus should be continuous for camera preview.
previewRequestBuilder.Set(
CaptureRequest.ControlAeMode,
(int)ControlAFMode.ContinuousPicture);
// ly, we start displaying the camera preview.
previewRequest = previewRequestBuilder.Build();
CaptureCallback captureCallback = new CaptureCallback();
captureSession.SetRepeatingRequest(previewRequest, captureCallback, backgroundHandler);
}
catch (CameraAccessException ex)
{
Log.Error(TAG, "Failed to set up config to capture Camera", e);
}
};
// Here, we create a CameraCaptureSession for camera preview.
cameraDevice.CreateCaptureSession(new System.Collections.Generic.List <Surface>()
{
surface
}, call, null);
}
catch (CameraAccessException e)
{
Log.Error(TAG, "Failed to preview Camera", e);
}
}
public override void OnOpened(CameraDevice camera)
{
System.Diagnostics.Debug.WriteLine("Camera ouverte");
_builder = camera.CreateCaptureRequest(CameraTemplate.Preview);
_builder.AddTarget(_sv);
_ccssc = new CameraCaptureSessionCallbackU(_builder);
camera.CreateCaptureSession(ls, _ccssc, new Handler());
}
public override void OnOpened(CameraDevice camera)
{
CaptureRequest.Builder builder = camera.CreateCaptureRequest(CameraTemplate.Preview);
builder.AddTarget(_surface);
builder.AddTarget(_reader.Surface);
CaptureRequest captureRequest = builder.Build();
camera.CreateCaptureSession(new List <Surface> {
_surface, _reader.Surface
}, new MySessionCallback(captureRequest, _cameraPreviewView, _reader), new Handler(msg => { }));
}
private void CaptureSession(List <Surface> surfaces)
{
try
{
mCameraDevice.CreateCaptureSession(surfaces, new CameraCaptureSessionStateCallback(this), mCameraHandler);
}
catch (System.Exception e)
{
Log.Debug(TAG, "CaptureSession error");
}
}
//Start the camera preview
public void startPreview()
{
if (null == camera_device || !texture_view.IsAvailable || null == preview_size)
{
return;
}
try {
SurfaceTexture texture = texture_view.SurfaceTexture;
//Assert.IsNotNull(texture);
texture.SetDefaultBufferSize(preview_size.Width, preview_size.Height);
preview_builder = camera_device.CreateCaptureRequest(CameraTemplate.Preview);
Surface surface = new Surface(texture);
var surfaces = new List <Surface>();
surfaces.Add(surface);
preview_builder.AddTarget(surface);
camera_device.CreateCaptureSession(surfaces, new PreviewCaptureStateListener(this), null);
} catch (CameraAccessException e) {
e.PrintStackTrace();
}
}
public void StartPreview()
{
if (cameraDevice != null && autoFitTextureView.IsAvailable && previewSize != null)
{
try
{
var texture = autoFitTextureView.SurfaceTexture;
System.Diagnostics.Debug.Assert(texture != null);
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
var surface = new Surface(texture);
captureRequestBuilder = cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
captureRequestBuilder.AddTarget(surface);
cameraDevice.CreateCaptureSession(new List <Surface>()
{
surface
},
new CameraCaptureStateListener()
{
OnConfigureFailedAction = (CameraCaptureSession session) =>
{
},
OnConfiguredAction = (CameraCaptureSession session) =>
{
cameraCaptureSession = session;
UpdatePreview();
}
},
null);
}
catch (Java.Lang.Exception error)
{
ShowToastMessage("Failed to start preview");
DebugMessage("ErrorMessage: \n" + error.Message + "\n" + "Stacktrace: \n " + error.StackTrace);
}
}
}
public override void OnOpened(CameraDevice camera)
{
// request a preview capture of the camera, and notify the session
// that we will be rendering to the image reader, as well as the preview surface.
_renderer.Camera = camera;
var surface = new Surface(_renderer.Surface);
_renderer.Builder = camera.CreateCaptureRequest(CameraTemplate.Preview);
_renderer.Builder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
_renderer.Builder.AddTarget(surface);
camera.CreateCaptureSession(new List <Surface> {
surface, _renderer.Reader.Surface
}, _renderer.SessionCallback, null);
}
// Creates a new {@link CameraCaptureSession} for camera preview.
public void CreateCameraPreviewSession(bool builderexists = false)
{
try
{
var texture = mTextureView.SurfaceTexture;
if (texture == null)
{
throw new IllegalStateException("texture is null");
}
// We configure the size of default buffer to be the size of camera preview we want.
texture.SetDefaultBufferSize(mPreviewSize.Width, mPreviewSize.Height);
// This is the output Surface we need to start preview.
var surface = new Surface(texture);
// We set up a CaptureRequest.Builder with the output Surface.
if (!builderexists)
{
mPreviewRequestBuilder = mCameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
}
//mPreviewRequestBuilder.Set(CaptureRequest.ControlAeTargetFpsRange, new Android.Util.Range(30, 120));
mPreviewRequestBuilder.Set(CaptureRequest.ControlAeMode, (int)ControlAEMode.On);
mPreviewRequestBuilder.Set(CaptureRequest.ControlAwbMode, (int)ControlAwbMode.Auto);
mPreviewRequestBuilder.Set(CaptureRequest.ControlAePrecaptureTrigger, (int)ControlAEPrecaptureTrigger.Start);
mPreviewRequestBuilder.Set(CaptureRequest.LensOpticalStabilizationMode, (int)LensOpticalStabilizationMode.On);
mPreviewRequestBuilder.Set(CaptureRequest.EdgeMode, (int)EdgeMode.Fast);
mPreviewRequestBuilder.Set(CaptureRequest.ShadingMode, (int)ShadingMode.HighQuality);
mPreviewRequestBuilder.Set(CaptureRequest.TonemapMode, (int)TonemapMode.HighQuality);
mPreviewRequestBuilder.AddTarget(surface);
// Here, we create a CameraCaptureSession for camera preview.
var surfaces = new List <Surface>();
surfaces.Add(surface);
surfaces.Add(mImageReader.Surface);
mCameraCaptureSessionCallback = new CameraCaptureSessionCallback(this);
mCameraDevice.CreateCaptureSession(surfaces, mCameraCaptureSessionCallback, null);
}
catch (CameraAccessException e)
{
Crashes.TrackError(e);
e.PrintStackTrace();
}
}
void OnOpened(object sender, CameraDeviceEventArgs e)
{
cameraOpenCloseLock.Release();
cameraDevice = e.Camera;
try
{
//SurfaceTexture texture = mTextureView.SurfaceTexture;
//SurfaceTexture texture = new SurfaceTexture();
//if (texture == null)
//{
// throw new IllegalStateException("texture is null");
//}
//// We configure the size of default buffer to be the size of camera preview we want.
//texture.SetDefaultBufferSize(mPreviewSize.Width, mPreviewSize.Height);
//texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
//texture.FrameAvailable += (sender2, e2) =>
//{
// e2.SurfaceTexture.
//};
////// This is the output Surface we need to start preview.
//Surface surface = new Surface(texture);
// We set up a CaptureRequest.Builder with the output Surface.
previewRequestBuilder = cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
previewRequestBuilder.AddTarget(imageReader.Surface);
//
// Here, we create a CameraCaptureSession for camera preview.
var surfaces = new List <Surface>();
surfaces.Add(imageReader.Surface);
if (captureSessionListener != null)
{
captureSessionListener.Configured -= OnConfigured;
captureSessionListener.ConfigureFailed -= OnConfigureFailed;
}
captureSessionListener = new CameraCaptureSessionCallbackListener(cameraDevice);
captureSessionListener.Configured += OnConfigured;
captureSessionListener.ConfigureFailed += OnConfigureFailed;
cameraDevice.CreateCaptureSession(surfaces, captureSessionListener, null);
}
catch (CameraAccessException ex)
{
ex.PrintStackTrace();
}
}
public void createpreview()
{
//Toast.MakeText(Application.Context, "Iam there", ToastLength.Long).Show();
SurfaceTexture texture = tview.SurfaceTexture;
texture.SetDefaultBufferSize(imagedimension.Width, imagedimension.Height);
Surface surface = new Surface(texture);
Builder = cameradevice.CreateCaptureRequest(CameraTemplate.Preview);
Builder.AddTarget(surface);
outputs.Add(surface);
cameradevice.CreateCaptureSession(outputs, capturecallback, null);
//throw new NotImplementedException();
}
/// <summary>
/// Starts preview before recording video.
/// </summary>
public void StartPreviewForVideo()
{
if (null == mCameraDevice || !mTextureView.IsAvailable || null == mPreviewSize)
{
return;
}
try
{
//wake up the cpu
PowerManager powerManager = (PowerManager)_context.GetSystemService(Context.PowerService);
wakeLock = powerManager.NewWakeLock(WakeLockFlags.Partial, "MyApp::MyWakelockTag");
wakeLock.Acquire();
SetUpMediaRecorder();
SurfaceTexture texture = mTextureView.SurfaceTexture;
//Assert.IsNotNull(texture);
// texture.SetDefaultBufferSize(CamcorderProfile.Get(CamcorderQuality.High., CamcorderProfile.Get(Height));
mPreviewRequestBuilder = mCameraDevice.CreateCaptureRequest(CameraTemplate.Record);
var surfaces = new List <Surface>();
var previewSurface = new Surface(texture);
surfaces.Add(previewSurface);
mPreviewRequestBuilder.AddTarget(previewSurface);
var recorderSurface = mediaRecorder.Surface;
surfaces.Add(recorderSurface);
mPreviewRequestBuilder.AddTarget(recorderSurface);
mCameraDevice.CreateCaptureSession(surfaces, new PreviewCaptureStateCallback(this), mBackgroundHandler);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
catch (IOException e)
{
e.PrintStackTrace();
}
}
public override void OnOpened(CameraDevice camera)
{
System.Diagnostics.Debug.WriteLine("CameraStateListener.OnOpened");
owner.Camera = camera;
var surface = owner.Surface;
List <Surface> list = new List <Surface>
{
surface
};
owner.PreviewRequestBuilder = camera.CreateCaptureRequest(CameraTemplate.Preview);
owner.PreviewRequestBuilder.AddTarget(surface);
camera.CreateCaptureSession(list, new CameraSessionListener(this.owner), null);
}
public void CreateCameraPreviewSession()
{
try
{
SurfaceTexture texture = mTextureView.SurfaceTexture;
if (texture == null)
{
throw new IllegalStateException("texture is null");
}
// We configure the size of default buffer to be the size of camera preview we want.
texture.SetDefaultBufferSize(mPreviewSize.Width, mPreviewSize.Height);
// This is the output Surface we need to start preview.
Surface surface = new Surface(texture);
Activity.RunOnUiThread(new Runnable(() =>
{
DisplayMetrics displayMetrics = new DisplayMetrics();
Activity.WindowManager.DefaultDisplay.GetMetrics(displayMetrics);
int height = displayMetrics.HeightPixels;
int width = displayMetrics.WidthPixels;
roi.Left = 0;
roi.Top = 0;
roi.Right = width;
roi.Bottom = height;
}));
ChangeScale();
ChangeRoi();
// We set up a CaptureRequest.Builder with the output Surface.
mPreviewRequestBuilder = mCameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
mPreviewRequestBuilder.AddTarget(surface);
// Here, we create a CameraCaptureSession for camera preview.
List <Surface> surfaces = new List <Surface>();
surfaces.Add(surface);
surfaces.Add(mImageReader.Surface);
mCameraDevice.CreateCaptureSession(surfaces, new CameraCaptureSessionCallback(this), null);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
}
public void CreateCaptureSession()
{
var surface = mYuvImageReader.Get().Surface;
//surface.DescribeContents()
CameraCaptureSessionCallback ccsc =
new CameraCaptureSessionCallback(mCameraDevice, surface, mCameraStateLock, mBackgroundHandler, TAG);
ccsc.OnConfigurationComplete += (sender, args) =>
{
mState = STATE_PREVIEW;
mCaptureSession = args;
};
mCameraDevice.CreateCaptureSession(new List <Surface>()
{
surface
}, ccsc, mBackgroundHandler);
}
private void CreateCaptureSession()
{
//SurfaceTexture texture = _textureView.SurfaceTexture; //エラーになる
//バッファのサイズをプレビューサイズに設定(画面サイズ等適当な値を入れる)
_surfaceTexture.SetDefaultBufferSize(_previewSize.Width, _previewSize.Height);
Surface surface = new Surface(_surfaceTexture);
List <Surface> list = new List <Surface>();
list.Add(surface);
list.Add(_recorder.Surface);
CaptureRequest.Builder captureRequest = _cameraDevice.CreateCaptureRequest(CameraTemplate.Record);
captureRequest.AddTarget(surface);
captureRequest.AddTarget(_recorder.Surface);
_captureRequest = captureRequest.Build();
_cameraDevice.CreateCaptureSession(list, new CameraCaputureSessionCallBack(_captureRequest), null);
}
private void OnCameraDeviceOpened(CameraDevice camera)
{
try
{
Target = ImageReader.NewInstance(1280, 720, Android.Graphics.ImageFormatType.Jpeg, 2);
Target.SetOnImageAvailableListener(new MyImageAvailableCallback(this), null);
var outputSurfaces = new List <Surface>()
{
Target.Surface
};
camera.CreateCaptureSession(outputSurfaces, new MySessionStateCallback(this), null);
}
catch (System.Exception sex)
{
OnError("Failed to create session: " + sex.Message);
}
}
public void CreateCameraPreview()
{
SurfaceTexture texture = cameraPreview.SurfaceTexture;
if (texture == null)
{
throw new CameraViewException("Failed to get the surface texture");
}
var bufferSize = GetBufferSize(new Vector <int, int>((int)Element.Width, (int)Element.Height));
//texture.SetDefaultBufferSize(bufferSize.X, bufferSize.Y);
Surface surface = new Surface(texture);
CaptureRequestBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
CaptureRequestBuilder.AddTarget(surface);
CameraDevice.CreateCaptureSession(new System.Collections.Generic.List <Surface>()
{
surface
}, cameraCaptureSessionStateCallback, null);
}
protected override void CreateCameraCaptureSession()
{
try
{
CaptureRequestBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.StillCapture);
CaptureRequestBuilder.AddTarget(_imageReader.Surface);
var surfaces = new List <Surface>
{
_imageReader.Surface
};
CameraDevice.CreateCaptureSession(surfaces, CameraCaptureSessionStateHandler, null);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
}
public void StartPreview()
{
if (CameraDevice == null || !this.IsAvailable || previewSize == null)
{
return;
}
var texture = this.SurfaceTexture;
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
var surface = new Surface(texture);
CaptureRequestBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
CaptureRequestBuilder.AddTarget(surface);
CameraDevice.CreateCaptureSession(new List <Surface> {
surface
},
GetYsCameraCaptureSessionStateCallback(),
null);
}
public void StartPreview()
{
if (CameraDevice == null || !_cameraTexture.IsAvailable || _previewSize == null)
{
return;
}
var texture = _cameraTexture.SurfaceTexture;
texture.SetDefaultBufferSize(_previewSize.Width, _previewSize.Height);
var surface = new Surface(texture);
_previewBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
_previewBuilder.AddTarget(surface);
System.Diagnostics.Debug.WriteLine("Openning camera preview : " + _previewSize.Width + "x" + _previewSize.Height);
List <Surface> surfaces = new List <Surface>();
surfaces.Add(surface);
surfaces.Add(_imageReader.Surface);
// Here, we create a CameraCaptureSession for camera preview
CameraDevice.CreateCaptureSession(surfaces,
new CameraCaptureStateListener
{
OnConfigureFailedAction = session =>
{
System.Diagnostics.Debug.WriteLine("Failed.");
},
OnConfiguredAction = session =>
{
_previewSession = session;
UpdatePreview();
}
},
_backgroundHandler);
}
