MediaRecorder video-Aufnahme im Porträt-Modus

Kamera.setDisplayOrientation(90) funktioniert nicht in allen Geräten. Folgende Lösung funktioniert perfekt in verschiedene Geräte und auch die Handhabung marshmallow Laufzeit Berechtigung.

Sehen setCameraRotation Methode

public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
    private SurfaceHolder mHolder;
    private Camera mCamera;
    public static int rotate;
    private Context mContext;

    public CameraPreview(Context context, Camera camera) {
        super(context);
        mCamera = camera;
        mHolder = getHolder();
        mHolder.addCallback(this);
        //deprecated setting, but required on Android versions prior to 3.0
        mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        mContext = context;
    }

    public void surfaceCreated(SurfaceHolder holder) {
        try {
            //create the surface and start camera preview
            if (mCamera != null) {
                mCamera.setPreviewDisplay(holder);
                mCamera.startPreview();
            }
        } catch (IOException e) {
            Log.d(VIEW_LOG_TAG, "Error setting camera preview: " + e.getMessage());
        }
    }

    public void refreshCamera(Camera camera) {
        if (mHolder.getSurface() == null) {
            //preview surface does not exist
            return;
        }
        //stop preview before making changes
        stopPreview();
        //set preview size and make any resize, rotate or
        //reformatting changes here
        setCamera(camera);

        //start preview with new settings
        startPreview();
    }

    public void stopPreview(){
        try {
            if(mCamera != null)
            mCamera.stopPreview();
        } catch (Exception e) {
            //ignore: tried to stop a non-existent preview
            e.printStackTrace();
        }
    }

    public void startPreview(){
        try {
            if(mCamera != null) {
                mCamera.setPreviewDisplay(mHolder);
                mCamera.startPreview();
            }else{
                Log.d(VIEW_LOG_TAG, "Error starting camera preview: " );
            }
        } catch (Exception e) {
            Log.d(VIEW_LOG_TAG, "Error starting camera preview: " + e.getMessage());
        }
    }

    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
        //If your preview can change or rotate, take care of those events here.
        //Make sure to stop the preview before resizing or reformatting it.
        refreshCamera(mCamera);
    }

    public void setCamera(Camera camera) {
        //method to set a camera instance
        mCamera = camera;
        /**
         * add camera orientation and display rotation according to screen landscape or portrait
         */
        setCameraRotation();
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        //TODO Auto-generated method stub
        if(mCamera != null){
            mCamera.release();
        }

    }

    public void setCameraRotation() {
        try {

            Camera.CameraInfo camInfo = new Camera.CameraInfo();

            if (VideoCaptureActivity.cameraId == 0)
                Camera.getCameraInfo(Camera.CameraInfo.CAMERA_FACING_BACK, camInfo);
            else
                Camera.getCameraInfo(Camera.CameraInfo.CAMERA_FACING_FRONT, camInfo);
            int cameraRotationOffset = camInfo.orientation;
            //...

            Camera.Parameters parameters = mCamera.getParameters();


            int rotation = ((Activity)mContext).getWindowManager().getDefaultDisplay().getRotation();
            int degrees = 0;
            switch (rotation) {
                case Surface.ROTATION_0:
                    degrees = 0;
                    break; //Natural orientation
                case Surface.ROTATION_90:
                    degrees = 90;
                    break; //Landscape left
                case Surface.ROTATION_180:
                    degrees = 180;
                    break;//Upside down
                case Surface.ROTATION_270:
                    degrees = 270;
                    break;//Landscape right
            }
            int displayRotation;
            if (camInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
                displayRotation = (cameraRotationOffset + degrees) % 360;
                displayRotation = (360 - displayRotation) % 360; //compensate
                //the
                //mirror
            } else { //back-facing
                displayRotation = (cameraRotationOffset - degrees + 360) % 360;
            }

            mCamera.setDisplayOrientation(displayRotation);


            if (camInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
                rotate = (360 + cameraRotationOffset + degrees) % 360;
            } else {
                rotate = (360 + cameraRotationOffset - degrees) % 360;
            }

            parameters.set("orientation", "portrait");
            parameters.setRotation(rotate);
            mCamera.setParameters(parameters);

        } catch (Exception e) {

        }
    }



}

Nun bereiten-media-Rekorder mit der richtigen rotation, so dass aufgezeichnete video-Wiedergabe in der richtigen Ausrichtung.

mediaRecorder.setOrientationHint(CameraPreview.drehen);

private boolean prepareMediaRecorder() {

    mediaRecorder = new MediaRecorder();

    mCamera.unlock();
    mediaRecorder.setCamera(mCamera);

    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
    mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
    mediaRecorder.setOrientationHint(CameraPreview.rotate);

    mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_LOW));

    mediaRecorder.setOutputFile(filePath);
    mediaRecorder.setMaxDuration(15000); //Set max duration 15 sec.
    mediaRecorder.setMaxFileSize(10000000); //Set max file size 1M

    try {
        mediaRecorder.prepare();
    } catch (IllegalStateException e) {
        releaseMediaRecorder();
        return false;
    } catch (IOException e) {
        releaseMediaRecorder();
        return false;
    }
    return true;

}

Können Sie download der gesamten Stichprobe https://github.com/umesh-kushwaha/Android_Video_Recording_portrait