Re: Problems parsing udp:// URLs

Hi,

I'm not sure whether it can be changed, given that it also means 
breaking existing playlist
and use cases. But for the record, udp://@10.0.0.2:1234 is not the 
complete syntax.

The complete syntax is udp://[[source address]@[bind address][:port]], 
which means we
can't just simply remove it, and it's used in particular when playing 
multicast streams where
you can have multiple senders on a single bind address.

Regards,

--
Alexandre Janniaux
Videolabs

On 19/03/2025 11:57, Valentin Gosu wrote:
> Hi VLC developers,
>
> I work on the Firefox networking stack.
> Recently Firefox (and Chrome) switched our URL parsers for non-special 
> schemes to be more in line with the URL Standard [1]. However this 
> caused issues for VLC users, when clicking udp:// links that are 
> supposed to be opened in VLC [2]. For now we've added an exception for 
> udp URLs, but some webdevelopers are using the udp scheme for other 
> purposes [3]
>
> We would like to remove the exception for udp URLs, and let them be 
> parsed according to the URL standard.
> Is it possible to change the way VLC parses udp URLs [4] so that it 
> still works if the @ character isn't present?
>
> For example, for udp://@10.0.0.2:1234 <http://10.0.0.2:1234> the URL 
> parser will remove the @ and turn it into udp://10.0.0.2:1234 
> <http://10.0.0.2:1234>
> Another case that needs to be addressed is udp://@:1234 as it 
> currently fails to parse with the URL standard [5].
>
> Thanks!
>
> [1] https://url.spec.whatwg.org/
> [2] 1949195 - Firefox removes at sign (@) from UDP links for VLC video 
> player - https://bugzilla.mozilla.org/show_bug.cgi?id=1949195
> [3] [1954766 - URL does not parse hostname for udp 
> urls](https://bugzilla.mozilla.org/show_bug.cgi?id=1954766)
> [4] 
> https://docs.videolan.me/vlc-user/desktop/3.0/en/advanced/streaming/udp_url.html
> [5] 
> https://jsdom.github.io/whatwg-url/#url=dWRwOi8vQDoxMjM0&base=YWJvdXQ6Ymxhbms= 
> <https://jsdom.github.io/whatwg-url/#url=dWRwOi8vQDoxMjM0&base=YWJvdXQ6Ymxhbms=>
>
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