fixes 2

backend/config_parser.py

@@ -292,8 +292,10 @@ class TranscodeTools:
                     await raw.write(chunk)
 
         nvr.logout()
-        raw_file = await self.h264toavi(raw_file)
-        return await self.anytoimage(raw_file, preview_file, False)
+        raw_file_avi = await self.h264toavi(raw_file)
+        if self.delete_temporary_files:
+            self.deleteFile(raw_file)
+        return await self.anytoimage(raw_file_avi, preview_file, self.delete_temporary_files)
 
     async def processing_safe(self, status: TranscodeStatus, file:File, nvr: NVR, reCreate:bool = False):
         try: