Share a facebook video on whatsapp

From raju

Download the video
In facebook, right click on the video -> Copy video URL at current time
-> paste it in fbdown.net (for public videos), fbdown.net/private-downloader.php (for private videos)
-> remove ?t=NNN at the end -> Download

For example, if you got

    https://www.facebook.com/ubaid.hussain.507/videos/2580838562238346/?t=12

paste it and change it to

    https://www.facebook.com/ubaid.hussain.507/videos/2580838562238346
Edit the video (if necessary)
For example, to copy the first 10.5 seconds of src.mp4 to dest.mp4
    ffmpeg -ss 00:00:00 -i src.mp4 -to 00:00:10.5 -c copy dest.mp4

Upload it to whatsapp.