  
  void cameras_run(MultiCameraState *s) {
    std::thread t = start_process_thread(s, "processing", &s->rear, camera_process_rear);
    set_thread_name("frame_streaming");
    run_frame_stream(s->rear, "roadCameraState");
    t.join();
  }
 
</s> remove   std::thread t = start_process_thread(s, "processing", &s->rear, camera_process_rear);
 </s> add   std::thread t = start_process_thread(s, &s->road_cam, process_road_camera); </s> remove void camera_process_rear(MultiCameraState *s, CameraState *c, int cnt) {}
 </s> add void process_road_camera(MultiCameraState *s, CameraState *c, int cnt) {} </s> remove   threads.push_back(start_process_thread(s, "processing", &s->rear, camera_process_frame));
  threads.push_back(start_process_thread(s, "frontview", &s->front, camera_process_front));
 </s> add   threads.push_back(start_process_thread(s, &s->road_cam, process_road_camera));
  threads.push_back(start_process_thread(s, &s->driver_cam, process_driver_camera)); </s> remove   CameraState *c_handles[3] = {&s->wide, &s->rear, &s->front};
 </s> add   CameraState *c_handles[3] = {&s->wide_road_cam, &s->road_cam, &s->driver_cam}; </s> remove std::thread start_process_thread(MultiCameraState *cameras, const char *tname,
                                 CameraState *cs, process_thread_cb callback) {
  return std::thread(processing_thread, cameras, tname, cs, callback);
 </s> add std::thread start_process_thread(MultiCameraState *cameras, CameraState *cs, process_thread_cb callback) {
  return std::thread(processing_thread, cameras, cs, callback);
  run_frame_stream(s->road_cam, "roadCameraState");
  
  void cameras_run(MultiCameraState *s) {
    std::thread t = start_process_thread(s, "processing", &s->rear, camera_process_rear);
    set_thread_name("frame_streaming");
  run_frame_stream(s->road_cam, "roadCameraState");
    t.join();
  }
keep keep keep keep replace 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_frame_stream.cc