[vlc-devel] [vlc-commits] skins2: ensure playlist gets stopped before terminating vlc.
remi at remlab.net
Tue Dec 3 08:40:57 CET 2019
I did not remove my and Laurent's hacks there. There were removed by the people who merged the last playlist rewrote and/or the half-baked Qt rewrite.
Le 3 décembre 2019 01:03:52 GMT+02:00, Alexandre Janniaux <ajanni at videolabs.io> a écrit :
>On Mon, Dec 02, 2019 at 07:05:13PM +0200, Rémi Denis-Courmont wrote:
>> Le maanantaina 2. joulukuuta 2019, 10.20.15 EET Alexandre Janniaux a
>> > Hi,
>> > Actually stopping the playlist wont kill the video output
>> > module, only killing the input resource, meaning releasing
>> > the vlc_player will do.
>> > However, player and playlist might be used by multiple
>> > control interface and this problem is only a concern for
>> > the one providing the vout_window. Hence I believe it must
>> > be solved by the mechanism providing the window instead of
>> > relying on a much wider API like playlist and player.
>> By the same logic, it's only a problem for the window provider of an
>> interface, not the stand-alone ones, and thus it should be handled by
>> interface. Obvious logical flaw is obvious.
>I'm sorry, I tried, but I really don't understand neither what
>you call obvious nor your example. Can you provide details ?
>> Besides, technically there is already a way to handle this. It's just
>> interface implementors cannot be bothered (UI frameworks make it
>> handle the window being allocated before the interface, or
>> the interface. At the core level, everything is already in place for
>Which one ? The issue has been fighting here for years with
>hacks that you removed because they were hacks. I never saw
>an interface working with this design in the ML archive.
>> And I really don't see how you can fix that in the video window code,
>> the most obvious but not the only symptomatic case. This really is a
>> between the playlist and the main interfaces.
>Why ? I started working on this month ago and while I'm not
>full time on this, I see only a simple problem: interface and
>window share a common context, so you cannot kill the
>interface resource before the window. Either you make the
>interface resource refcounted and living in the wild while
>there still are window using those, or you make correct
>resource management and manage the lifetime correctly.
>I detailed the issue, suggested a solution and have half a PoC.
>What is the issue that you're trying to solve and how?
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