#!/bin/bash for file in *.mp4; do ffmpeg -i "$file" -vf "drawtext=text='UNAUTHORIZED USE - TAKEDOWN NOTICE':fontcolor=red:fontsize=48:x=(w-text_w)/2:y=h-100" -c:a copy "notice_$file" done Generate a frame-by-frame hash to prove a video was modified from original.
# Undo a horizontal mirror (rotate y-axis) ffmpeg -i stolen_flipped.mp4 -vf "hflip" restored_orientation.mp4 ffmpeg -i stolen_rotated.mp4 -vf "transpose=2" restored.mp4 6. Batch "Retribution" Script (for DMCA Takedown Replacement) Automatically re-encode a folder of stolen videos with a hardcoded takedown notice overlay. retribution ffmpeg
# If video was sped up 2x → restore to normal speed ffmpeg -i manipulated.mp4 -filter:v "setpts=2*PTS" -filter:a "atempo=0.5" restored.mp4 ffmpeg -i manipulated.mp4 -filter:v "setpts=0.5*PTS" -filter:a "atempo=2.0" restored.mp4 3. Retribution Against Logo/Watermark Removal (Recover Overlay) If a logo was blurred or covered, use a reference clean frame to subtract the modification. # If video was sped up 2x →