+int opt_cpuflags(const char *opt, const char *arg)
+{
+ char *tail;
+ long flags = strtol(arg, &tail, 10);
+
+ if (*tail) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid cpuflags \"%s\".\n", arg);
+ exit_program(1);
+ }
+ av_force_cpu_flags(flags);
+ return 0;
+}
+