RETRIEVE CORRUPTED CCTV (ADT) FOOTAGE .IFS FILES

Seeking an experienced video-recovery specialist to convert and repair corrupted ADT .IFS CCTV files into usable .AVI or .MP4 formats. Restored files exhibit camera merging and frame jumps when processed with ffmpeg. Requirement: diagnose file structure, develop or apply robust ffmpeg scripts or custom tooling to separate camera streams, correct timing/stitching issues, recover lost frames, and produce smooth playback with minimal quality loss. Deliver clean, playable files and a brief report of methods used.