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);
}
public void TakePhoto()
{
if (_context == null || CameraDevice == null)
{
return;
}
if (_captureBuilder == null)
{
_captureBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.StillCapture);
}
_captureBuilder.AddTarget(_imageReader.Surface);
_captureBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
SetAutoFlash(_captureBuilder);
_previewSession.StopRepeating();
_previewSession.Capture(_captureBuilder.Build(),
new CameraCaptureStillPictureSessionCallback
{
OnCaptureCompletedAction = session =>
{
UnlockFocus();
}
}, 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,
mImageReader.Surface
};
mCameraDevice.CreateCaptureSession(surfaces, new CaptureSessionCallback(this), null);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
}
private async Task OpenAsync(bool hasPreview)
{
_hasPreview = hasPreview;
_backgroundThread.Start();
LockCameraOpening();
_asyncAutoResetEvent = new AsyncAutoResetEvent(false);
_manager.OpenCamera(_cameraId, _stateCallback, _backgroundThread.Handler);
await _asyncAutoResetEvent.WaitAsync(TimeSpan.FromSeconds(3));
_previewRequestBuilder = _cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
}
#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 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
}
}
/// <summary>
/// Capture a still picture. This method should be called when we get a response in
/// CaptureCallback from both LockFocus()
/// </summary>
public void CaptureStillPicture()
{
try
{
var activity = Activity;
if (null == activity || null == CameraDevice)
{
return;
}
// This is the CaptureRequest.Builder that we use to take a picture.
CaptureRequest.Builder captureBuilder =
CameraDevice.CreateCaptureRequest(CameraTemplate.StillCapture);
captureBuilder.AddTarget(mImageReader.Surface);
// Use the same AE and AF modes as the preview.
captureBuilder.Set(CaptureRequest.ControlAfMode,
(int)ControlAFMode.ContinuousPicture);
SetAutoFlash(captureBuilder);
// Orientation
int rotation = (int)activity.WindowManager.DefaultDisplay.Rotation;
captureBuilder.Set(CaptureRequest.JpegOrientation, GetOrientation(rotation));
var captureCallback = new CameraCaptureSessionCaptureCallback2(this);
CaptureSession.StopRepeating();
CaptureSession.Capture(captureBuilder.Build(), captureCallback, null);
}
catch (CameraAccessException e)
{
e.PrintStackTrace();
}
}
// Capture a still picture. This method should be called when we get a response in
// {@link #mCaptureCallback} from both {@link #lockFocus()}.
public void CaptureStillPicture()
{
try
{
var activity = Activity;
if (null == activity || null == CameraDevice)
{
return;
}
// This is the CaptureRequest.Builder that we use to take a picture.
//if (_stillCaptureBuilder == null)
//{
_stillCaptureBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.StillCapture);
//}
_stillCaptureBuilder.AddTarget(_imageReader.Surface);
// Use the same AE and AF modes as the preview.
_stillCaptureBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
SetAutoFlash(_stillCaptureBuilder);
CaptureSession.StopRepeating();
CaptureSession.Capture(_stillCaptureBuilder.Build(), new CameraCaptureStillPictureSessionCallback(this), null);
}
catch (CameraAccessException ex)
{
#if DEBUG
ex.PrintStackTrace();
#endif
}
}
public void StartPreview()
{
if (CameraDevice == null || !cameraTexture.IsAvailable || previewSize == null)
{
return;
}
SurfaceTexture texture = cameraTexture.SurfaceTexture;
texture.SetDefaultBufferSize(previewSize.Width, previewSize.Height);
Surface 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);
}
/// <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 (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 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 => { }));
}
public void TakePhoto()
{
if (_context == null || CameraDevice == null)
{
return;
}
if (_captureBuilder == null)
{
_captureBuilder = CameraDevice.CreateCaptureRequest(CameraTemplate.StillCapture);
}
_captureBuilder.AddTarget(_imageReader.Surface);
_captureBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
SetAutoFlash(_captureBuilder);
var windowManager = _context.GetSystemService(Context.WindowService).JavaCast <IWindowManager>();
int rotation = (int)windowManager.DefaultDisplay.Rotation;
int orientation = GetOrientation(rotation);
_captureBuilder.Set(CaptureRequest.JpegOrientation, orientation);
_previewSession.StopRepeating();
_previewSession.AbortCaptures();
_previewSession.Capture(_captureBuilder.Build(),
new CameraCaptureStillPictureSessionCallback
{
OnCaptureCompletedAction = session =>
{
UnlockFocus();
}
}, null);
// Play shutter sound to alert user that image was captured
var am = (AudioManager)_context.GetSystemService(Context.AudioService);
if (am != null && am.RingerMode == RingerMode.Normal)
{
var cameraSound = new MediaActionSound();
cameraSound.Load(MediaActionSoundType.ShutterClick);
cameraSound.Play(MediaActionSoundType.ShutterClick);
}
}
//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);
}
}
}
private CaptureRequest CreateCaptureRequest()
{
try
{
CaptureRequest.Builder builder = _cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
builder.AddTarget(_surface);
return(builder.Build());
}
catch (CameraAccessException e)
{
Log.Error(_tag, e.Message);
return(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();
}
}
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);
}
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();
}
}
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);
}
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();
}
}
private void OnPreviewSessionConfigured(CameraCaptureSession session)
{
captureSession = session;
previewRequestBuilder = cameraDevice.CreateCaptureRequest(CameraTemplate.Preview);
previewRequestBuilder.AddTarget(previewSurface);
var availableAutoFocusModes = (int[])characteristics.Get(CameraCharacteristics.ControlAfAvailableModes);
if (availableAutoFocusModes.Any(afMode => afMode == (int)ControlAFMode.ContinuousPicture))
{
previewRequestBuilder.Set(CaptureRequest.ControlAfMode, (int)ControlAFMode.ContinuousPicture);
}
SetAutoFlash(previewRequestBuilder);
previewRequest = previewRequestBuilder.Build();
captureSession.SetRepeatingRequest(previewRequest, cameraCaptureCallback, backgroundHandler);
}
