无法使用Vuforia Native SDK更改相机方向。
我要改变
vuforiaAppSession.startAR(CameraDevice.CAMERA_DIRECTION.CAMERA_DIRECTION_DEFAULT);
在Vuforia示例应用程序内的ImageTargets.java
上。我使用前置摄像头得到的结果只是黑屏。
这是错误代码:
VuforiaSamples E/ImageTargets: Unable to open camera device: 2
com.vuforia.samples.SampleApplication.SampleApplicationException: Unable to open camera device: 2
at com.vuforia.samples.SampleApplication.SampleApplicationSession.startCameraAndTrackers(SampleApplicationSession.java:153)
at com.vuforia.samples.SampleApplication.SampleApplicationSession.access$900(SampleApplicationSession.java:31)
at com.vuforia.samples.SampleApplication.SampleApplicationSession$StartVuforiaTask.doInBackground(SampleApplicationSession.java:623)
at com.vuforia.samples.SampleApplication.SampleApplicationSession$StartVuforiaTask.doInBackground(SampleApplicationSession.java:604)
at android.os.AsyncTask$2.call(AsyncTask.java:333)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
找不到更多特定信息。
答案 0 :(得分:2)
据我所见, Vuforia 已弃用该选项。
请参见CameraDevice.CAMERA_DIRECTION Class Reference。对于C ++标头相同:
enum CAMERA_DIRECTION { CAMERA_DIRECTION_DEFAULT, ///< Default camera direction (device-specific, /// usually maps to back camera) (DEPRECATED) CAMERA_DIRECTION_BACK, ///< The camera is facing in the opposite direction as the screen (DEPRECATED) CAMERA_DIRECTION_FRONT, ///< The camera is facing in the same direction as the screen. (DEPRECATED) ///< Notes: This enum is deprecated. ///< Front camera support will be removed in a future Vuforia release. ///< The front camera is not compatible with DeviceTracker ///< nor with SmartTerrain. };