      // use driver face crop for AE
      if (x_max == 0) {
        // default setting
  #ifndef QCOM2
        x_min = rhd_front ? 0 : b->rgb_width * 3 / 5;
        x_max = rhd_front ? b->rgb_width * 2 / 5 : b->rgb_width;
        y_min = b->rgb_height / 3;
        y_max = b->rgb_height;
  #else
        x_min = 96;
        x_max = 1832;
 
</s> remove   static const bool rhd_front = Params().read_db_bool("IsRHD");
 </s> add   static const bool is_rhd = Params().read_db_bool("IsRHD"); </s> remove void common_camera_process_front(SubMaster *sm, PubMaster *pm, CameraState *c, int cnt) {
 </s> add void common_process_driver_camera(SubMaster *sm, PubMaster *pm, CameraState *c, int cnt) { </s> remove   s->stream_cfg.num_streams = rear ? 3 : 1;
 </s> add   s->stream_cfg.num_streams = is_road_cam ? 3 : 1; </s> remove   for (int i = 0; i < (rear ? 3 : 1); i++) {
 </s> add   for (int i = 0; i < (is_road_cam ? 3 : 1); i++) { </s> remove   s->pm->send(c == &s->rear ? "roadCameraState" : "wideRoadCameraState", msg);
 </s> add   s->pm->send(c == &s->road_cam ? "roadCameraState" : "wideRoadCameraState", msg);
      x_min = is_rhd ? 0 : b->rgb_width * 3 / 5;
      x_max = is_rhd ? b->rgb_width * 2 / 5 : b->rgb_width;
      // use driver face crop for AE
      if (x_max == 0) {
        // default setting
  #ifndef QCOM2
      x_min = is_rhd ? 0 : b->rgb_width * 3 / 5;
      x_max = is_rhd ? b->rgb_width * 2 / 5 : b->rgb_width;
      x_min = is_rhd ? 0 : b->rgb_width * 3 / 5;
      x_max = is_rhd ? b->rgb_width * 2 / 5 : b->rgb_width;
        y_min = b->rgb_height / 3;
        y_max = b->rgb_height;
  #else
        x_min = 96;
        x_max = 1832;
keep keep keep keep replace replace keep keep keep keep keep
 camerad: rename variables&functions to follow new convention (#20096)

* rename CameraState variables to follow new convention

* continue

* rename camera_process functions

* qcom:rename exposure related variables

* continue

* update commments

* bool real -> bool is_road_cam

* rename sm_front -> sm

* remove paramater tname from start_process_thread

* rename rhd_front to is_rhd

* remove unused varialble name from struct CameraInfo

* rename env_send_xxx

* rename cap_front to cap_driver,cap_rear to cap_road

* rename xxx_camera_process to process_xxx_camera

* update snapshot.py 
selfdrive/camerad/cameras/camera_common.cc