[vlc-devel] Video output size policy

Alexandre Janniaux ajanni at videolabs.io
Mon May 27 12:34:51 CEST 2019


On Sun, May 26, 2019 at 08:51:44PM +0300, Rémi Denis-Courmont wrote:
> Le perjantaina 24. toukokuuta 2019, 17.21.50 EEST Thomas Guillem a écrit :
> > For me, if a video is resized by the user, it should keep its (user) size
> > accross several medias.
> That's not really possible. We don't know why the window is (re)sized. We just 
> know that it's been resized.
> Currently, we request a resizeif the user changes AR, crop or zoom. The 
> question is whether we should also request a resize when the source changes, 
> or when the source format changes, or neither.

I don't really know the background of either one choice or the other, but
resizing when the source format change would raise usability issue with adaptive
streaming, wouldn't it ? 

> IMO, it's obvious that we should not request a resize when the old and new 
> source formats yield the same intended window size (from vout_SizeWindow()). 
> Users have complained when that happened in the past.
> As for when the video format changes the intended window size, it's debatable, 
> and IIRC, users have expressed contradictory wishes.
> > I don't like adding one settings for that. Both solutions are OK but we
> > should stick to one. 
> That I'd tend to agree with.
> -- 
> 雷米‧德尼-库尔蒙
> http://www.remlab.net/
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