You need to rip and convert DVD to regular video and then uploading video to YouTube will be easy. Just follow below guide to do that.
Leawo DVD Ripper
is a DVD converter that can meet both demands. The Ripper have two versions available for grabbing, Windows and Mac version. You can free download and install the Ripper to begin PAL DVD to MP4/AVI/MOV video file ripping process by following the step by step below.
Step 1. Kick off Leawo DVD Ripper, insert source PAL DVD disc into the DVD drive and click "Add Blu-ray/DVD" button to load source PAL DVD.
Step 2.Click the drop-down list to change the output video format. If you would like to choose MP4 as the output video format, choose MP4 in the pop-up Profile panel (you can also choose other formats like AVI or MOV).
Step 3.This step is optional. You can edit the output video and audio settings in details, such as video and audio codec, Bit Rate, Resolution, Frame Rate, Sample Rate, Aspect Ratio and Channel. If you are not sure of what to set, you can skip the step or just leave those parameters at default.
Step 4.Finally, click the green "Convert" button to select destination folder to save the converted video, then click the other "Convert" button to begin the conversion process. You can view or pause the conversion process on the main interface.
For more details, check: How to Rip PAL DVD to MP4/AVI/MOV video file