Mirror the preview for front-facing cameras. do not merge
Now overlay does ROT_90 before FLIP_V or FLIP_H. It should be FLIP_V
or FLIP_H first. The formula should be changed after overlay is fixed.
bug:3059865
Change-Id: Ie4366bf7f1fcac7383e8dfc74b1b865997bbbcc6
diff --git a/include/camera/Camera.h b/include/camera/Camera.h
index 964700b..e6d84ba 100644
--- a/include/camera/Camera.h
+++ b/include/camera/Camera.h
@@ -83,6 +83,18 @@
enum {
CAMERA_CMD_START_SMOOTH_ZOOM = 1,
CAMERA_CMD_STOP_SMOOTH_ZOOM = 2,
+ // Set the clockwise rotation of preview display (setPreviewDisplay) in
+ // degrees. This affects the preview frames and the picture displayed after
+ // snapshot. This method is useful for portrait mode applications. Note that
+ // preview display of front-facing cameras is flipped horizontally before
+ // the rotation, that is, the image is reflected along the central vertical
+ // axis of the camera sensor. So the users can see themselves as looking
+ // into a mirror.
+ //
+ // This does not affect the order of byte array of CAMERA_MSG_PREVIEW_FRAME,
+ // CAMERA_MSG_VIDEO_FRAME, CAMERA_MSG_POSTVIEW_FRAME, CAMERA_MSG_RAW_IMAGE,
+ // or CAMERA_MSG_COMPRESSED_IMAGE. This is not allowed to be set during
+ // preview.
CAMERA_CMD_SET_DISPLAY_ORIENTATION = 3,
};