AIO-3399J HDMI设置为垂直显示后，摄像头成像被拉伸，人脸识别不通过

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AIO-3399J 关于拍照问题找了很久还是没有解决！hdmi竖屏显示拍照会被拉伸问题！改了很久没有效果！源码只改了下面旋转90度
diff --git a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
index 1214bf6..53b5ac4 100755
--- a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
+++ b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
@@ -24,9 +24,9 @@ ro.rk.install_non_market_apps=true
sys.hwc.compose_policy=6
sys.wallpaper.rgb565=0
sf.power.control=8847360
-sys.rkadb.root=0
+sys.rkadb.root=1
ro.sf.fakerotation=false
-ro.sf.hwrotation=0
+ro.sf.hwrotation=90
ro.rk.MassStorage=false
ro.rk.systembar.voiceicon=true
ro.rk.systembar.tabletUI=false
@@ -51,3 +51,6 @@ persist.sys.framebuffer.main=1920x1080

# default primary display
sys.hwc.device.primary=HDMI-A
+
+qemu.hw.mainkeys=1

摄像头成像被拉伸