+static inline int ff_acelp_decode_4bit_to_2nd_delay3(int ac_index,
+ int pitch_delay_min)
+{
+ if (ac_index < 4)
+ return 3 * (ac_index + pitch_delay_min);
+ else if (ac_index < 12)
+ return 3 * pitch_delay_min + ac_index + 6;
+ else
+ return 3 * (ac_index + pitch_delay_min) - 18;
+}