Example usage for android.hardware.camera2 CaptureRequest CONTROL

Introduction

In this page you can find the example usage for android.hardware.camera2 CaptureRequest CONTROL_MODE.

Prototype

Key CONTROL_MODE

To view the source code for android.hardware.camera2 CaptureRequest CONTROL_MODE.

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Document

Overall mode of 3A (auto-exposure, auto-white-balance, auto-focus) control routines.

This is a top-level 3A control switch.

Usage

From source file:MainActivity.java

private void startPreview(CameraCaptureSession session) {
    mCameraCaptureSession = session;//from   w  w w.  j av  a2  s . co  m
    mCaptureRequestBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
    HandlerThread backgroundThread = new HandlerThread("CameraPreview");
    backgroundThread.start();
    Handler backgroundHandler = new Handler(backgroundThread.getLooper());
    try {
        mCameraCaptureSession.setRepeatingRequest(mCaptureRequestBuilder.build(), null, backgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.dastanapps.camera2.view.Cam2AutoFitTextureView.java

@Nullable
private Boolean touchTofocus2(MotionEvent event) {
    MotionEvent motionEvent = event;//from  w  w  w. ja v  a  2  s. c  o m
    final int actionMasked = motionEvent.getActionMasked();
    if (actionMasked != MotionEvent.ACTION_DOWN) {
        return false;
    }
    if (mManualFocusEngaged) {
        Log.d(TAG, "Manual focus already engaged");
        return true;
    }

    final Rect sensorArraySize = mCharacteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);

    //TODO: here I just flip x,y, but this needs to correspond with the sensor orientation (via SENSOR_ORIENTATION)
    final int y = (int) ((motionEvent.getX() / (float) getWidth()) * (float) sensorArraySize.height());
    final int x = (int) ((motionEvent.getY() / (float) getHeight()) * (float) sensorArraySize.width());
    final int halfTouchWidth = 150; //(int)motionEvent.getTouchMajor(); //TODO: this doesn't represent actual touch size in pixel. Values range in [3, 10]...
    final int halfTouchHeight = 150; //(int)motionEvent.getTouchMinor();
    MeteringRectangle focusAreaTouch = new MeteringRectangle(Math.max(x - halfTouchWidth, 0),
            Math.max(y - halfTouchHeight, 0), halfTouchWidth * 2, halfTouchHeight * 2,
            MeteringRectangle.METERING_WEIGHT_MAX - 1);

    CameraCaptureSession.CaptureCallback captureCallbackHandler = new CameraCaptureSession.CaptureCallback() {
        @Override
        public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
                TotalCaptureResult result) {
            super.onCaptureCompleted(session, request, result);
            mManualFocusEngaged = false;

            if (request.getTag() == "FOCUS_TAG") {
                //the focus trigger is complete -
                //resume repeating (preview surface will get frames), clear AF trigger
                mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, null);
                try {
                    mPreviewSession.setRepeatingRequest(mPreviewBuilder.build(), null, null);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }
        }

        @Override
        public void onCaptureFailed(CameraCaptureSession session, CaptureRequest request,
                CaptureFailure failure) {
            super.onCaptureFailed(session, request, failure);
            Log.e(TAG, "Manual AF failure: " + failure);
            mManualFocusEngaged = false;
        }
    };

    //first stop the existing repeating request
    try {
        mPreviewSession.stopRepeating();
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }

    //cancel any existing AF trigger (repeated touches, etc.)
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_OFF);
    try {
        mPreviewSession.capture(mPreviewBuilder.build(), captureCallbackHandler, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }

    //Now add a new AF trigger with focus region
    if (isMeteringAreaAFSupported()) {
        mPreviewBuilder.set(CaptureRequest.CONTROL_AF_REGIONS, new MeteringRectangle[] { focusAreaTouch });
    }
    mPreviewBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_START);
    mPreviewBuilder.setTag("FOCUS_TAG"); //we'll capture this later for resuming the preview

    //            //then we ask for a single request (not repeating!)
    //            mPreviewSession.capture(mPreviewBuilder.build(), captureCallbackHandler, mBackgroundHandler);
    return null;
}

From source file:MainActivity.java

protected void takePicture(View view) {
    if (null == mCameraDevice) {
        return;//from  ww  w .  ja  v  a 2  s  .  c o  m
    }
    CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(mCameraDevice.getId());
        StreamConfigurationMap configurationMap = characteristics
                .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (configurationMap == null)
            return;
        Size largest = Collections.max(Arrays.asList(configurationMap.getOutputSizes(ImageFormat.JPEG)),
                new CompareSizesByArea());
        ImageReader reader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG,
                1);
        List<Surface> outputSurfaces = new ArrayList<Surface>(2);
        outputSurfaces.add(reader.getSurface());
        outputSurfaces.add(new Surface(mTextureView.getSurfaceTexture()));
        final CaptureRequest.Builder captureBuilder = mCameraDevice
                .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
        captureBuilder.addTarget(reader.getSurface());
        captureBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
        ImageReader.OnImageAvailableListener readerListener = new ImageReader.OnImageAvailableListener() {
            @Override
            public void onImageAvailable(ImageReader reader) {
                Image image = null;
                try {
                    image = reader.acquireLatestImage();
                    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
                    byte[] bytes = new byte[buffer.capacity()];
                    buffer.get(bytes);
                    OutputStream output = new FileOutputStream(getPictureFile());
                    output.write(bytes);
                    output.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    if (image != null) {
                        image.close();
                    }
                }
            }
        };
        HandlerThread thread = new HandlerThread("CameraPicture");
        thread.start();
        final Handler backgroudHandler = new Handler(thread.getLooper());
        reader.setOnImageAvailableListener(readerListener, backgroudHandler);
        final CameraCaptureSession.CaptureCallback captureCallback = new CameraCaptureSession.CaptureCallback() {
            @Override
            public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
                    TotalCaptureResult result) {
                super.onCaptureCompleted(session, request, result);
                Toast.makeText(MainActivity.this, "Picture Saved", Toast.LENGTH_SHORT).show();
                startPreview(session);
            }
        };
        mCameraDevice.createCaptureSession(outputSurfaces, new CameraCaptureSession.StateCallback() {
            @Override
            public void onConfigured(CameraCaptureSession session) {
                try {
                    session.capture(captureBuilder.build(), captureCallback, backgroudHandler);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onConfigureFailed(CameraCaptureSession session) {
            }
        }, backgroudHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.microsoft.projectoxford.emotionsample.RecognizeActivity.java

protected void updatePreview() {
    if (null == cameraDevice) {
        Log.e("LOg", "updatePreview error, return");
    }//from  www  .j a  v a 2 s  .  co m
    captureRequestBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
    try {
        cameraCaptureSessions.setRepeatingRequest(captureRequestBuilder.build(), null, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.android.rahul.myselfieapp.Fragment.CamVideoFragment.java

private void setUpCaptureRequestBuilder(CaptureRequest.Builder builder) {
    builder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
}

From source file:com.caseystalnaker.android.popinvideodemo.fragments.Camera2VideoFragment.java

private void setUpCaptureRequestBuilder(final CaptureRequest.Builder builder) {
    builder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
}

From source file:com.example.android.camera2basic.Camera2BasicFragment.java

private void initPreviewBuilder() {
    mPreviewRequestBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_OFF);

    mPreviewRequestBuilder.set(CaptureRequest.LENS_FOCUS_DISTANCE, valueAF);
    mPreviewRequestBuilder.set(CaptureRequest.SENSOR_EXPOSURE_TIME, valueAETime);
    mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION, valueAE);
    mPreviewRequestBuilder.set(CaptureRequest.SENSOR_SENSITIVITY, valueISO);
}

From source file:com.obviousengine.android.focus.ZslFocusCamera.java

/**
 * Request a stream of images./*w  w  w  .j av  a  2s .  c  o  m*/
 *
 * @return true if successful, false if there was an error submitting the
 *         capture request.
 */
private boolean sendRepeatingCaptureRequest() {
    Timber.v("sendRepeatingCaptureRequest()");
    try {
        CaptureRequest.Builder builder;
        if (ZSL_ENABLED) {
            builder = device.createCaptureRequest(CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG);
        } else {
            builder = device.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        }

        builder.addTarget(previewSurface);

        if (ZSL_ENABLED) {
            builder.addTarget(captureImageReader.getSurface());
        }

        builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO);

        builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
        builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_IDLE);

        builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON);
        builder.set(CaptureRequest.FLASH_MODE, CaptureRequest.FLASH_MODE_OFF);

        addRegionsToCaptureRequestBuilder(builder);

        captureSession.setRepeatingRequest(builder.build(), captureManager, cameraHandler);
        return true;
    } catch (CameraAccessException e) {
        if (ZSL_ENABLED) {
            Timber.w(e, "Could not execute zero-shutter-lag repeating request.");
        } else {
            Timber.w(e, "Could not execute preview request.");
        }
        return false;
    }
}

From source file:com.obviousengine.android.focus.ZslFocusCamera.java

/**
 * Request a single image.//from   ww w . j  a  va  2  s .  c  o m
 *
 * @return true if successful, false if there was an error submitting the
 *         capture request.
 */
private boolean sendSingleRequest(FocusCamera.PhotoCaptureParameters params) {
    Timber.v("sendSingleRequest()");
    try {
        CaptureRequest.Builder builder;
        builder = device.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);

        builder.addTarget(previewSurface);

        // Always add this surface for single image capture requests.
        builder.addTarget(captureImageReader.getSurface());

        builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO);

        addFlashToCaptureRequestBuilder(builder, params.flashMode);
        addRegionsToCaptureRequestBuilder(builder);

        builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
        builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_IDLE);

        // Tag this as a special request which should be saved.
        builder.setTag(RequestTag.EXPLICIT_CAPTURE);

        if (CAPTURE_IMAGE_FORMAT == ImageFormat.JPEG) {
            builder.set(CaptureRequest.JPEG_QUALITY, (byte) (JPEG_QUALITY));
            builder.set(CaptureRequest.JPEG_ORIENTATION,
                    Utils.getJpegRotation(params.orientation, characteristics));
        }

        captureSession.capture(builder.build(), captureManager, cameraHandler);
        return true;
    } catch (CameraAccessException e) {
        Timber.w(e, "Could not execute single still capture request.");
        return false;
    }
}

From source file:com.example.aschere.cdhprototype2.Camera2RawFragment.java

private void setup3AControlsLocked(CaptureRequest.Builder builder) {
    // Enable auto-magical 3A run by camera device
    builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO);

    Float minFocusDist = mCharacteristics.get(CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE);

    // If MINIMUM_FOCUS_DISTANCE is 0, lens is fixed-focus and we need to skip the AF run.
    mNoAFRun = (minFocusDist == null || minFocusDist == 0);

    if (!mNoAFRun) {
        // If there is a "continuous picture" mode available, use it, otherwise default to AUTO.
        if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AF_AVAILABLE_MODES),
                CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)) {
            builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
        } else {//w w  w  . j  a v a2 s.co m
            builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
        }
    }

    // If there is an auto-magical flash control mode available, use it, otherwise default to
    // the "on" mode, which is guaranteed to always be available.
    if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_MODES),
            CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH)) {
        builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);
    } else {
        builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON);
    }

    // If there is an auto-magical white balance control mode available, use it.
    if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AWB_AVAILABLE_MODES),
            CaptureRequest.CONTROL_AWB_MODE_AUTO)) {
        // Allow AWB to run auto-magically if this device supports this
        builder.set(CaptureRequest.CONTROL_AWB_MODE, CaptureRequest.CONTROL_AWB_MODE_AUTO);
    }
}

Example usage for android.hardware.camera2 CaptureRequest CONTROL_MODE

Introduction

Prototype

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