RK3288 摄像头左右镜像

系统：Android 5.1

设置摄像头左右镜像

diff --git a/frameworks/av/services/camera/libcameraservice/api1/CameraClient.cpp b/frameworks/av/services/camera/libcameraservice/api1/CameraClient.cpp

index 070be2d..0250f92

--- a/frameworks/av/services/camera/libcameraservice/api1/CameraClient.cpp

+++ b/frameworks/av/services/camera/libcameraservice/api1/CameraClient.cpp

@@ -, +, @@ status_t CameraClient::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {

     if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {

         // Mirror the preview if the camera is front-facing.

-        orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);

+        //orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);

+        orientation = getOrientation(arg1, );

         if (orientation == -) return BAD_VALUE;

         if (mOrientation != orientation) {

代码原意是如果摄像头是前置摄像头，就左右镜像；如果是后置摄像头，就不用左右镜像。

修改的本质是切换前后摄像头，所以也可更改如下：

orientation = getOrientation(arg1, mCameraFacing != CAMERA_FACING_FRONT);