my dvd player is a standalone dvd player
it support playing dvd-r and dvd-rw

there's no problem with the audio
but the video part juz happen with a bit lag for every1-2 mins
then it comes back to the normal speed
it happens throughout the whole disk
and it often blinks with white screen
when it plays near to the end of the disk
it jumps to much and freeze at a certain parti've tried to start all over but it juz the same

was it the problem of my dvd-r or the problem of my dvd player?
thank you!!