[vlc-devel] PATCHv3 0/4] YoutubeDL stream filter

[Thomas Guillem]

On Wed, Sep 23, 2020, at 18:08, Rémi Denis-Courmont wrote:
> Le keskiviikkona 23. syyskuuta 2020, 18.55.33 EEST Thomas Guillem a écrit :
> > On Wed, Sep 23, 2020, at 17:42, Rémi Denis-Courmont wrote:
> > > The following changes since commit 
> 2bcab692c19c7540f171c86c1f1a09eff51e157f:
> > >   contrib: qtdeclarative: Explicitly disable the d3d12 plugin (2020-09-22
> > > 
> > > 12:24:02 +0300)
> > > 
> > > follow.
> > > 
> > > Changes since version 2:
> > > - Rewrite as stream filter (with lower priority than the playlist demux)
> > 
> > Thanks for the new version including my suggestions (that I was not sure it
> > could work).
> > 
> > As an improvement (other patch set?), could we add a new option that could
> > control stream-filter?
> 
> I don't see why. We already have separate functions to instantiate access with 
> or without stream filter. And preparsing won't work without those filters.

It needs to be setup at a higher level, like when a media is preparsed/played from LibVLC.

I'm thinking about a Local Network flag, that would prevent the loading of some filters (lua, ytdl and some more). Only the user or the media, that come from a service discoverer, could know if the media is local.

> 
> What I'd like is a proper way to avoid recursion in stream filters 
> cleanly. But  
> I have no idea how.
> 
> > I think we want to disable ytdl and lua in some
> > case, and at runtime, like when the medialib is parsing a local http
> > server.
> 
> Preparsing wouldn't work without stream filters, so that sounds like a terrible 
> idea. You wouldn't even be able to parse playlists. Also eventually, stream 
> filters and demuxers are supposed to be unified (like access and access_demux), 
> so that demuxers can have higher priority than filters.
> 
> AFAICT, medialib is way too eager and stressful, and that's hardly related to 
> Lua or YoutubeDL.
> 
> -- 
> Rémi Denis-Courmont
> http://www.remlab.net/
> 
> 
> 
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