TVHEADEND digital video recording 100% precision + button

Hello, we need modify [login to view URL] for digital video recording 100% precised 1, we need 100% START/STOP precision in digital tv recordings = i would like to start recording for example CNN channel in 9:00:00:000 and stop 10:00:00:000 and starting every hour 2, generate button 24 hours TIMERS recording for channel -- idea i will make one channel from 00:00:00:000 to 00:01:00:000 then click generate button and will generate whole day for 24 hour... thank you for your offer