android版本10使用camera2接口采集时图像朝向问题

Question

我已经更新了我的相机功能，从相机到camera2接口。

当我用前置摄像头捕捉图像并在imageview中显示时。图像的方向已更改。然后，我使用此代码更改图像的方向。

int jpegOrientation =
                (ORIENTATIONS.get(rotation) + characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION) + 270) % 360;
capturebuilder.set(CaptureRequest.JPEG_ORIENTATION, jpegOrientation);

上面的代码适用于android版本(即版本5,9)，我已经测试过了。当我在Android版本10中运行相同的代码时，它不能工作。下图所示

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请，任何人都可以帮助我解决这个问题

Answer 1

private int getJpegOrientation(CameraCharacteristics c, int deviceOrientation) {
     if (deviceOrientation == android.view.OrientationEventListener.ORIENTATION_UNKNOWN) return 0;
     int sensorOrientation = c.get(CameraCharacteristics.SENSOR_ORIENTATION);

     // Round device orientation to a multiple of 90
     deviceOrientation = (deviceOrientation + 45) / 90 * 90;

     // Reverse device orientation for front-facing cameras
     boolean facingFront = c.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT;
     if (facingFront) deviceOrientation = -deviceOrientation;

     // Calculate desired JPEG orientation relative to camera orientation to make
     // the image upright relative to the device orientation
     int jpegOrientation = (sensorOrientation + deviceOrientation + 360) % 360;

     return jpegOrientation;
 }

要了解更多细节，请阅读以下帖子：

Answer 2

你尝试过下面的解决方案了吗：https://medium.com/@kenodoggy/solving-image-rotation-on-android-using-camera2-api-7b3ed3518ab6