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@ -10,9 +10,12 @@ import android.hardware.Camera.PreviewCallback; |
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import android.os.Build; |
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import android.util.AttributeSet; |
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import android.util.Log; |
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import android.view.Surface; |
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import android.view.ViewGroup.LayoutParams; |
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import android.view.WindowManager; |
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import org.opencv.BuildConfig; |
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import org.opencv.core.Core; |
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import org.opencv.core.CvType; |
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import org.opencv.core.Mat; |
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import org.opencv.core.Size; |
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@ -71,28 +74,20 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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boolean result = true; |
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synchronized (this) { |
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mCamera = null; |
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int cameraId = -1; |
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if (mCameraIndex == CAMERA_ID_ANY) { |
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Log.d(TAG, "Trying to open camera with old open()"); |
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try { |
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mCamera = Camera.open(); |
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} |
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catch (Exception e){ |
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Log.e(TAG, "Camera is not available (in use or does not exist): " + e.getLocalizedMessage()); |
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} |
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if(mCamera == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { |
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boolean connected = false; |
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for (int camIdx = 0; camIdx < Camera.getNumberOfCameras(); ++camIdx) { |
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Log.d(TAG, "Trying to open camera with new open(" + Integer.valueOf(camIdx) + ")"); |
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try { |
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mCamera = Camera.open(camIdx); |
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connected = true; |
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} catch (RuntimeException e) { |
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Log.e(TAG, "Camera #" + camIdx + "failed to open: " + e.getLocalizedMessage()); |
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} |
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if (connected) break; |
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boolean connected = false; |
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for (int camIdx = 0; camIdx < Camera.getNumberOfCameras(); ++camIdx) { |
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Log.d(TAG, "Trying to open camera with new open(" + Integer.valueOf(camIdx) + ")"); |
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try { |
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mCamera = Camera.open(camIdx); |
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connected = true; |
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cameraId = camIdx; |
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} catch (RuntimeException e) { |
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Log.e(TAG, "Camera #" + camIdx + "failed to open: " + e.getLocalizedMessage()); |
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} |
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if (connected) break; |
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} |
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} else { |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { |
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@ -126,6 +121,7 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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Log.d(TAG, "Trying to open camera with new open(" + Integer.valueOf(localCameraIndex) + ")"); |
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try { |
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mCamera = Camera.open(localCameraIndex); |
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cameraId = localCameraIndex; |
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} catch (RuntimeException e) { |
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Log.e(TAG, "Camera #" + localCameraIndex + "failed to open: " + e.getLocalizedMessage()); |
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} |
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@ -136,6 +132,7 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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if (mCamera == null) |
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return false; |
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int frameRotation = getFrameRotation(cameraId); |
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/* Now set camera parameters */ |
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try { |
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Camera.Parameters params = mCamera.getParameters(); |
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@ -176,8 +173,16 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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mCamera.setParameters(params); |
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params = mCamera.getParameters(); |
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mFrameWidth = params.getPreviewSize().width; |
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mFrameHeight = params.getPreviewSize().height; |
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int rawFrameWidth = params.getPreviewSize().width; |
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int rawFrameHeight = params.getPreviewSize().height; |
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if (frameRotation % 180 == 0) { |
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mFrameWidth = params.getPreviewSize().width; |
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mFrameHeight = params.getPreviewSize().height; |
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} else { |
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mFrameWidth = params.getPreviewSize().height; |
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mFrameHeight = params.getPreviewSize().width; |
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} |
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if ((getLayoutParams().width == LayoutParams.MATCH_PARENT) && (getLayoutParams().height == LayoutParams.MATCH_PARENT)) |
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mScale = Math.min(((float)height)/mFrameHeight, ((float)width)/mFrameWidth); |
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@ -196,14 +201,14 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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mCamera.setPreviewCallbackWithBuffer(this); |
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mFrameChain = new Mat[2]; |
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mFrameChain[0] = new Mat(mFrameHeight + (mFrameHeight/2), mFrameWidth, CvType.CV_8UC1); |
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mFrameChain[1] = new Mat(mFrameHeight + (mFrameHeight/2), mFrameWidth, CvType.CV_8UC1); |
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mFrameChain[0] = new Mat(rawFrameHeight + (rawFrameHeight/2), rawFrameWidth, CvType.CV_8UC1); |
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mFrameChain[1] = new Mat(rawFrameHeight + (rawFrameHeight/2), rawFrameWidth, CvType.CV_8UC1); |
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AllocateCache(); |
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mCameraFrame = new JavaCameraFrame[2]; |
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mCameraFrame[0] = new JavaCameraFrame(mFrameChain[0], mFrameWidth, mFrameHeight); |
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mCameraFrame[1] = new JavaCameraFrame(mFrameChain[1], mFrameWidth, mFrameHeight); |
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mCameraFrame[0] = new JavaCameraFrame(mFrameChain[0], rawFrameWidth, rawFrameHeight, frameRotation); |
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mCameraFrame[1] = new JavaCameraFrame(mFrameChain[1], rawFrameWidth, rawFrameHeight, frameRotation); |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { |
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mSurfaceTexture = new SurfaceTexture(MAGIC_TEXTURE_ID); |
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@ -313,7 +318,14 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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private class JavaCameraFrame implements CvCameraViewFrame { |
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@Override |
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public Mat gray() { |
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return mYuvFrameData.submat(0, mHeight, 0, mWidth); |
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mGray = mYuvFrameData.submat(0, mHeight, 0, mWidth); |
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if (mRotation != 0) { |
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Core.rotate(mGray, mGrayRotated, getCvRotationCode(mRotation)); |
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return mGrayRotated; |
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} else { |
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return mGray; |
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} |
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} |
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@Override |
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@ -325,15 +337,33 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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else |
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throw new IllegalArgumentException("Preview Format can be NV21 or YV12"); |
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return mRgba; |
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if (mRotation != 0) { |
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Core.rotate(mRgba, mRgbaRotated, getCvRotationCode(mRotation)); |
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return mRgbaRotated; |
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} else { |
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return mRgba; |
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} |
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} |
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private int getCvRotationCode(int degrees) { |
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if (degrees == 90) { |
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return Core.ROTATE_90_CLOCKWISE; |
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} else if (degrees == 180) { |
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return Core.ROTATE_180; |
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} else { |
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return Core.ROTATE_90_COUNTERCLOCKWISE; |
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} |
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} |
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public JavaCameraFrame(Mat Yuv420sp, int width, int height) { |
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public JavaCameraFrame(Mat Yuv420sp, int width, int height, int rotation) { |
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super(); |
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mWidth = width; |
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mHeight = height; |
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mYuvFrameData = Yuv420sp; |
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mRgba = new Mat(); |
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mRgbaRotated = new Mat(); |
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mGrayRotated = new Mat(); |
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mRotation = rotation; |
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} |
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public void release() { |
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@ -342,10 +372,50 @@ public class JavaCameraView extends CameraBridgeViewBase implements PreviewCallb |
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private Mat mYuvFrameData; |
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private Mat mRgba; |
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private Mat mRgbaRotated; |
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private Mat mGray; |
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private Mat mGrayRotated; |
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private int mWidth; |
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private int mHeight; |
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private int mRotation; |
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}; |
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/** |
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* Calculates how to rotate camera frame to match current screen orientation |
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*/ |
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private int getFrameRotation(int cameraId) { |
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WindowManager windowManager = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE); |
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int screenOrientation = windowManager.getDefaultDisplay().getRotation(); |
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int screenRotation = 0; |
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switch (screenOrientation) { |
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case Surface.ROTATION_0: |
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screenRotation = 0; |
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break; |
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case Surface.ROTATION_90: |
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screenRotation = 90; |
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break; |
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case Surface.ROTATION_180: |
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screenRotation = 180; |
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break; |
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case Surface.ROTATION_270: |
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screenRotation = 270; |
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break; |
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} |
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android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo(); |
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android.hardware.Camera.getCameraInfo(cameraId, info); |
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int frameRotation; |
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if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { |
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frameRotation = (info.orientation + screenRotation) % 360; |
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frameRotation = (360 - frameRotation) % 360; |
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} else { |
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frameRotation = (info.orientation - screenRotation + 360) % 360; |
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} |
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return frameRotation; |
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} |
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private class CameraWorker implements Runnable { |
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@Override |
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