支持外置USB摄像头

Author: vrichv

openCVLibrary411/src/main/java/org/opencv/android/JavaCamera2View.java

@@ -102,7 +102,8 @@ protected boolean initializeCamera() {
                     if ((mCameraIndex == CameraBridgeViewBase.CAMERA_ID_BACK &&
                             characteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_BACK) ||
                         (mCameraIndex == CameraBridgeViewBase.CAMERA_ID_FRONT &&
-                            characteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT)
+                            characteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT)||
+                            (characteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_EXTERNAL)
                     ) {
                         mCameraID = cameraID;
                         break;

smartopencv/src/main/java/tech/huqi/smartopencv/core/bridge/CameraBridgeViewWrapper.java

@@ -119,8 +119,9 @@ public void deliverAndDrawFrame(CvCameraViewFrame frame) {
             Canvas canvas = mSurfaceHolder.lockCanvas();
             if (canvas != null) {
                 canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
-                if (BuildConfig.DEBUG)
-                    Log.d(TAG, "mStretch value: " + mScale);
+                //Too many log
+                //if (BuildConfig.DEBUG)
+                //    Log.d(TAG, "mStretch value: " + mScale);
 
                 if (mBase instanceof ICameraView) {
                     ((ICameraView) mBase).drawBitmap(canvas, mCacheBitmap);

smartopencv/src/main/java/tech/huqi/smartopencv/utils/CameraHelper.java

@@ -77,6 +77,8 @@ private static int getCameraRotateDegree(int cameraId) {
         Camera.CameraInfo info = new Camera.CameraInfo();
         Camera.getCameraInfo(cameraId, info);
         return info.orientation;
+        //FIXME some bug here???
+        //return 0;
     }
 
     public static Bitmap scaleImage(Bitmap image, int desireWidth, int desireHeight) {