Aplikasi saya saat ini memiliki layar pratinjau dan saya ingin aplikasi tersebut menangkap banyak frame per detik untuk diproses. Saat ini, pratinjau saya hanya menyimpan gambar setiap detik, namun saya memerlukan kecepatan pengambilan fps yang jauh lebih besar. Bantuan apa pun akan dihargai.
Masalah lainnya (jika bisa) adalah gambar saya diputar 90 derajat saat muncul di kartu sd saya. Sejauh ini tidak ada solusi internet yang membantu saya mengatasi masalah ini :(
Terima kasih :)
public class MyCameraSurfaceView extends SurfaceView implements SurfaceHolder.Callback{
private SurfaceHolder mHolder;
private Camera mCamera;
public MyCameraSurfaceView(Context context, Camera camera) {
super(context);
mCamera = camera;
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int weight,
int height) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
mCamera.setDisplayOrientation(90);
if (mHolder.getSurface() == null){
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e){
// ignore: tried to stop a non-existent preview
}
// make any resize, rotate or reformatting changes here
// start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
Camera.Parameters parameters = mCamera.getParameters();
List<Camera.Size> size = parameters.getSupportedPreviewSizes();
parameters.setPreviewSize(size.get(0).width, size.get(0).height);
mCamera.setParameters(parameters);
mCamera.startPreview();
} catch (Exception e){}
mCamera.setPreviewCallback(new Camera.PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
Camera.Parameters parameters = camera.getParameters();
int format = parameters.getPreviewFormat();
//YUV formats require more conversion
if (format == ImageFormat.NV21 || format == ImageFormat.YUY2 || format == ImageFormat.NV16) {
int w = parameters.getPreviewSize().width;
int h = parameters.getPreviewSize().height;
// Get the YuV image
YuvImage yuv_image = new YuvImage(data, format, w, h, null);
// Convert YuV to Jpeg
Rect rect = new Rect(0, 0, w, h);
ByteArrayOutputStream output_stream = new ByteArrayOutputStream();
yuv_image.compressToJpeg(rect, 10, output_stream);
byte[] byt = output_stream.toByteArray();
FileOutputStream outStream = null;
try {
outStream = new FileOutputStream(String.format(
"/sdcard/bb%d.jpg", System.currentTimeMillis() / 1000));
outStream.write(byt);
outStream.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
}
}
}
});
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
// The Surface has been created, now tell the camera where to draw the preview.
try {
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(holder);
mCamera.startPreview();
} catch (IOException e) {
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
}
}