can not download youtube video with dash in video key

[degenkolb]

Hi

I stumbled upon a problem with a dash in the video key for youtube videos.

An example would be the video
https://www.youtube.com/watch?v=-vf2RoIhwpg
"CEFRC Combustion Chemistry Day 2 Part 1"

the command line gives me
$ youtube-dl https://www.youtube.com/watch?v=-vf2RoIhwpg
[youtube] Setting language
[youtube] -vf2RoIhwpg: Downloading webpage
[youtube] -vf2RoIhwpg: Downloading video info webpage
[youtube] -vf2RoIhwpg: Extracting video information
[download] Destination: CEFRC Combustion Chemistry Day 2 Part 1--vf2RoIhwpg.mp4
[download] 100% of 166.62MiB in 00:00
ERROR: content too short (expected 174714385 bytes and served 8745)

My version is
$ youtube-dl --version
2014.01.22.3

with regards
Christian

[phihag]

What makes you think that the dash is part of the problem? This is an error on YouTube's side (most likely filesystem and/or encoding issues), the video doesn't play (after a couple of images) in the webbrowser either. You can switch to the low-quality format, which seems to be unaffected:

$ youtube-dl https://www.youtube.com/watch?v=-vf2RoIhwpg -f 17
[youtube] Setting language
[youtube] -vf2RoIhwpg: Downloading webpage
[youtube] -vf2RoIhwpg: Downloading video info webpage
[youtube] -vf2RoIhwpg: Extracting video information
[download] Destination: CEFRC Combustion Chemistry Day 2 Part 1--vf2RoIhwpg.3gp
[download] 100% of 36.53MiB in 00:04

Chances are that Youtube will notice the error and re-encode the video, or restore the defective filesystem from backups.