import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
-import android.view.Menu;
public class CameraWriterActivity extends Activity implements CvCameraViewListener {
protected static final String TAG = "CameraWriterActivity";
- private OpenCvCameraBridgeViewBase mCameraView;
+ private OpenCvCameraBridgeViewBase mCameraView;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
- @Override
- public void onManagerConnected(int status) {
- switch (status) {
- case LoaderCallbackInterface.SUCCESS:
- Log.i(TAG, "OpenCV loaded successfully");
- // Create and set View
- mCameraView.setMaxFrameSize(640, 480);
- mCameraView.enableView();
- break;
- default:
- super.onManagerConnected(status);
- break;
- }
- }
+ @Override
+ public void onManagerConnected(int status) {
+ switch (status) {
+ case LoaderCallbackInterface.SUCCESS:
+ Log.i(TAG, "OpenCV loaded successfully");
+ // Create and set View
+ mCameraView.setMaxFrameSize(640, 480);
+ mCameraView.enableView();
+ break;
+ default:
+ super.onManagerConnected(status);
+ break;
+ }
+ }
};
- @Override
+ @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_camera_writer);
}
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- getMenuInflater().inflate(R.menu.activity_camera_writer, menu);
- return true;
- }
-
- @Override
- public void onCameraViewStarted(int width, int height) {
- // TODO Auto-generated method stub
+ public void onCameraViewStarted(int width, int height) {
+ // TODO Auto-generated method stub
- }
+ }
- @Override
- public void onCameraViewStopped() {
- // TODO Auto-generated method stub
+ public void onCameraViewStopped() {
+ // TODO Auto-generated method stub
- }
+ }
- @Override
- public Mat onCameraFrame(Mat inputFrame) {
- return inputFrame;
- }
+ public Mat onCameraFrame(Mat inputFrame) {
+ return inputFrame;
+ }
}
*/
public class OpenCvNativeCameraView extends OpenCvCameraBridgeViewBase {
- public static final String TAG = "OpenCvNativeCameraView";
- private boolean mStopThread;
- private Thread mThread;
- private VideoCapture mCamera;
+ public static final String TAG = "OpenCvNativeCameraView";
+ private boolean mStopThread;
+ private Thread mThread;
+ private VideoCapture mCamera;
public OpenCvNativeCameraView(Context context, AttributeSet attrs) {
- super(context, attrs);
+ super(context, attrs);
+ }
+
+
+ @Override
+ protected void connectCamera(int width, int height) {
+
+ /* 1. We need to instantiate camera
+ * 2. We need to start thread which will be getting frames
+ */
+ /* First step - initialize camera connection */
+ initializeCamera(getWidth(), getHeight());
+
+ /* now we can start update thread */
+ mThread = new Thread(new CameraWorker(getWidth(), getHeight()));
+ mThread.start();
+ }
+
+ @Override
+ protected void disconnectCamera() {
+ /* 1. We need to stop thread which updating the frames
+ * 2. Stop camera and release it
+ */
+ try {
+ mStopThread = true;
+ mThread.join();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ } finally {
+ mThread = null;
+ mStopThread = false;
}
+ /* Now release camera */
+ releaseCamera();
- @Override
- protected void connectCamera(int width, int height) {
+ }
- /* 1. We need to instantiate camera
- * 2. We need to start thread which will be getting frames
- */
- /* First step - initialize camera connection */
- initializeCamera(getWidth(), getHeight());
-
- /* now we can start update thread */
- mThread = new Thread(new CameraWorker(getWidth(), getHeight()));
- mThread.start();
- }
-
- @Override
- protected void disconnectCamera() {
- /* 1. We need to stop thread which updating the frames
- * 2. Stop camera and release it
- */
- try {
- mStopThread = true;
- mThread.join();
- } catch (InterruptedException e) {
- e.printStackTrace();
- } finally {
- mThread = null;
- mStopThread = false;
- }
-
- /* Now release camera */
- releaseCamera();
-
- }
-
- private void initializeCamera(int width, int height) {
+ private void initializeCamera(int width, int height) {
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
//TODO: improve error handling
mFrameHeight = (int)frameHeight;
Log.i(TAG, "Selected camera frame size = (" + mFrameWidth + ", " + mFrameHeight + ")");
- }
+ }
- private void releaseCamera() {
- if (mCamera != null) {
- mCamera.release();
- }
+ private void releaseCamera() {
+ if (mCamera != null) {
+ mCamera.release();
}
+ }
- private class CameraWorker implements Runnable {
+ private class CameraWorker implements Runnable {
- private Mat mRgba = new Mat();
- private int mWidth;
- private int mHeight;
+ private Mat mRgba = new Mat();
+ private int mWidth;
+ private int mHeight;
- CameraWorker(int w, int h) {
- mWidth = w;
- mHeight = h;
- }
+ CameraWorker(int w, int h) {
+ mWidth = w;
+ mHeight = h;
+ }
- @Override
- public void run() {
- Mat modified;
+ public void run() {
+ Mat modified;
- do {
- if (!mCamera.grab()) {
- Log.e(TAG, "Camera frame grab failed");
- break;
- }
- mCamera.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
+ do {
+ if (!mCamera.grab()) {
+ Log.e(TAG, "Camera frame grab failed");
+ break;
+ }
+ mCamera.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
- deliverAndDrawFrame(mRgba);
+ deliverAndDrawFrame(mRgba);
- } while (!mStopThread);
+ } while (!mStopThread);
- }
}
+ }
}
projects / profile / ivi / opencv.git / commitdiff