encrypting video files AES-ECB

question: trying to encrypt a uncompressed video file(nv12) with AES128-ECB using openssl utility. but once i decrypt the encrypted video file with same key, i'm not able to playback the video file. ami missing some thing or is there a known limitation? Thanks, Raghu

AES128-ECB

has anyone tried encrypt/decrypt on a video file (uncompressed yuv/nv12 formats) using AES128 ECB? Thanks, Raghu