ffmpeg -i input.mkv -vf "scale=1280:720" -c:v libx264 -crf 22 -preset fast -c:a aac -b:a 160k output_720p.mp4 D. Recover corrupted MKV header:
ffmpeg -i input.mkv -vf "scale=1280:720" -c:v libx264 -crf 22 -preset fast -c:a aac -b:a 160k output_720p.mp4 D. Recover corrupted MKV header: