static const struct {
uint32_t u_n /* numerator */, u_d /* denominator */;
} dirac_frate_tbl[] = { /* table 10.3 */
+ {1,1}, /* this first value is never used */
{24000,1001}, {24,1}, {25,1}, {30000,1001}, {30,1},
{50,1}, {60000,1001}, {60,1}, {15000,1001}, {25,2},
};