restore compatibility with non-raspberry arm systems (#1587)

internal/core/core.go

@@ -181,8 +181,6 @@ outer:
 	p.ctxCancel()
 
 	p.closeResources(nil, false)
-
-	rpicamera.LibcameraCleanup()
 }
 
 func (p *Core) createResources(initial bool) error {
@@ -210,11 +208,6 @@ func (p *Core) createResources(initial bool) error {
 		// do not check for errors
 		rlimit.Raise()
 
-		err := rpicamera.LibcameraSetup()
-		if err != nil {
-			return err
-		}
-
 		gin.SetMode(gin.ReleaseMode)
 
 		p.externalCmdPool = externalcmd.NewPool()
@@ -679,6 +672,10 @@ func (p *Core) closeResources(newConf *conf.Conf, calledByAPI bool) {
 		p.externalCmdPool.Close()
 	}
 
+	if newConf == nil {
+		rpicamera.Cleanup()
+	}
+
 	if closeLogger {
 		p.logger.Close()
 		p.logger = nil