Make the video recording button an icon

src/medianame.h

@@ -0,0 +1,14 @@
+#include <sys/time.h>
+
+static inline unsigned long long time_usec(void)
+{
+	struct timeval t;
+	gettimeofday(&t, NULL);
+
+	return t.tv_sec * 1000000 + t.tv_usec;
+}
+
+static inline void get_name(char *buf, char *dir, char *templ)
+{
+	sprintf(buf, "%s/%lld.%s", dir, time_usec(), templ);
+}