Here is my old but gold trick to get all Youtube Videos from your Channel. You can edit this code, get logic for your future tricks for help.
I would recommend you to install FireBug because it is printed in the console without ""
Just go to My Videos on YouTube, open Inspect Element( or FireBug) with right click and in tabs find 'Console' in console paste this code:
You have not unlocked this post's content yet. Points required: 50
Have a nice day, from Borislav!