/// Converts time in given scale into timestamp in given base.
pub fn time_to_ts(time: u64, base: u64, tb_num: u32, tb_den: u32) -> u64 {
/// Converts time in given scale into timestamp in given base.
pub fn time_to_ts(time: u64, base: u64, tb_num: u32, tb_den: u32) -> u64 {