skip zero padding for sample aes
skip zero padding for sample aes

cannot just zero pad the packet, the zeros have to go through emulation
prevention (\0\0\0 -> \0\0\x03\0) however since in sample aes the packet
size is not known in advance anyway, we can just skip it.

kaltura/nginx-vod-module,kaltura/nginx-vod-module,kaltura/nginx-vod-module,kaltura/nginx-vod-module,kaltura/nginx-vod-module,kaltura/nginx-vod-module