In addition to the classic boot animation on Android, you can insert a video as a boot animation. In this mini guide I will explain you the informations to enable or disable the bootvideo and its location.
The build.pro file (/system/build.prop) has a relative prop
#add for video boot, 1 means using video boot, others not.
service.bootvideo = 1
The bootvideo file resides in /system/etc/bootvideo and is an mp4.If service.bootvideo=0 is disabled the system will try to bootanimation in system/media