[vlc-devel] [PATCH 2/6] video_output: add video-stereo-mode option to select the stereoscopic video output mode

[Steve Lhomme]

On 16/08/2018 18:58, Jean-Baptiste Kempf wrote:
>
> On Thu, 16 Aug 2018, at 18:53, Rémi Denis-Courmont wrote:
>> Le torstaina 16. elokuuta 2018, 11.21.44 EEST Steve Lhomme a écrit :
>>> On 14/08/2018 17:09, Rémi Denis-Courmont wrote:
>>>> Le tiistaina 14. elokuuta 2018, 17.53.51 EEST Steve Lhomme a écrit :
>>>>> The dynamic part is done in the next patch. I'm not sure what you're
>>>>> referring to by "window provider".
>>>> I mean the vout window. If the change of mode requires a change of window
>>>> size, then a vout window size request must be sent first.
>>>>
>>>> And stereoscopy support in the view port is potentially detected by the
>>>> window rather than the display, though that's up in the air without an
>>>> actual supporting window system.
>>> For now the stereo output will be handled like
>>> VOUT_DISPLAY_CHANGE_SOURCE_CROP or VOUT_DISPLAY_CHANGE_SOURCE_ASPECT: it
>>> will trigger a VoutDisplayFitWindow() call. I modify my patch to do that.
>> I somehow doubt that all forms of stereoscopy can be reduced to a change of
>> crop and/or aspect ratii. I guess that's fine for SBS and TB, maybe for ROW
>> and COL, but seemingly not for the other modes.
> Do we really want to support other modes?

We don't even support of the ones we read yet, but ideally yes. "VLC 
plays it all", at least one of the 2 eyes...