extern void dcpomatic_sleep_seconds (int);
extern void dcpomatic_sleep_milliseconds (int);
extern std::string cpu_info ();
-extern void run_ffprobe (boost::filesystem::path, boost::filesystem::path);
+extern void run_ffprobe(boost::filesystem::path content, boost::filesystem::path out, bool err = true, std::string args = {});
extern std::list<std::pair<std::string, std::string>> mount_info ();
extern boost::filesystem::path openssl_path ();
extern void make_foreground_application ();