A complete, cross-platform solution to record, convert and stream audio and video.
Trim From Start
Example of removing the first 3 minutes and 45 seconds of n .mp4 video. Source is located on D: drive (zoom_training.mp4) and output (zoom_training_trimmmed.mp4) will be to D: drive
ffmpeg -ss 00:03:45.0 -i d:\zoom_training.mp4 -c copy d:\zoom_training_trimmed.mp4