我正在使用JavaCameraView
和OpencCV捕获帧,但我卡在默认的620*480分辨率上,这不符合我的要求,因为我的手机可以支持1280*720分辨率。我已经尝试了很多方法,但无法改变默认的图像/帧分辨率。
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i("OpenCv", "OpenCV loaded successfully");
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
@Override
public void onResume()
{
super.onResume();
if (!OpenCVLoader.initDebug()) {
Log.d("OpenCv", "Internal OpenCV library not found. Using OpenCV Manager for initialization");
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_11, this, mLoaderCallback);
} else {
Log.d("OpenCv", "OpenCV library found inside package. Using it!");
mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_camera);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial1_activity_java_surface_view);
mOpenCvCameraView.setMaxFrameSize(720,1280);
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
public void onCameraViewStarted(int width, int height) {
// Recieve Image Data when the caera preview starts
mRgba = new Mat(height, width, CvType.CV_8UC4);
mRgbaT = new Mat(height, width, CvType.CV_8UC4);
mRgbaF = new Mat(height, width, CvType.CV_8UC4);
//End
mSpectrum = new Mat();
mBlobColorRgba = new Scalar(255);
mBlobColorHsv = new Scalar(255);
SPECTRUM_SIZE = new Size(400, 400);
CONTOUR_COLOR = new Scalar(255,0,0,255);
}
@Override
public void onCameraViewStopped() {
mRgba.release();
}
@Override
public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) {
timeofFrame = System.currentTimeMillis();
mRgba = inputFrame.rgba();
Core.transpose(mRgba,mRgbaT);
//Rotate 90 degrees//
Imgproc.resize(mRgbaT,mRgbaF,mRgbaF.size(),0,0,0);
Core.flip(mRgbaF,mRgba,1);
return mRgba;
}
}