recover deleted footage from ECOR264 DVR

hello all

i have Deleted footage from FocuseEver ECOR264 DVR want to recover it back , i read about it little some forum talk about reverse engineering to rebuild the translator to decode the footage its costly and time consuming

i scan the hard drive using RTT but a lot of .GZ files , and i have also the original DVR if is help in somehow

any information or tips will be appreciated

best regards

EverFocus proprietary format has been reversed and the footage recovered. If someone else need details, please PM.

EverFocus proprietary format has been reversed and the footage recovered. If someone else need details, please PM.

thank you negrusti for the professional work and hard effort