rpicamera: allow to set shutter without disconnecting readers

internal/core/path_manager.go

@@ -22,6 +22,7 @@ func pathConfCanBeUpdated(oldPathConf *conf.PathConf, newPathConf *conf.PathConf
 	copy.RPICameraAWB = newPathConf.RPICameraAWB
 	copy.RPICameraDenoise = newPathConf.RPICameraDenoise
 	copy.RPICameraMetering = newPathConf.RPICameraMetering
+	copy.RPICameraShutter = newPathConf.RPICameraShutter
 	copy.RPICameraEV = newPathConf.RPICameraEV
 	copy.RPICameraFPS = newPathConf.RPICameraFPS
 

internal/rpicamera/exe/camera.cpp

@@ -308,6 +308,8 @@ static void fill_dynamic_controls(ControlList *ctrls, const parameters_t *params
     }
     ctrls->set(controls::AeMeteringMode, metering_mode);
 
+    ctrls->set(controls::ExposureTime, params->shutter);
+
     ctrls->set(controls::ExposureValue, params->ev);
 
     int64_t frame_time = 1000000 / params->fps;
@@ -321,10 +323,6 @@ bool camera_start(camera_t *cam) {
 
     fill_dynamic_controls(camp->ctrls.get(), camp->params);
 
-    if (camp->params->shutter != 0) {
-        camp->ctrls->set(controls::ExposureTime, camp->params->shutter);
-    }
-
     if (camp->params->gain > 0) {
         camp->ctrls->set(controls::AnalogueGain, camp->params->gain);
     }