[vlc-devel] [PATCH 1/3] player: add "vout window" context getter/setter

Steve Lhomme robux4 at ycbcr.xyz
Wed Apr 3 10:09:26 CEST 2019

On 4/2/2019 2:21 PM, Alexandre Janniaux wrote:
> Hi,
> On 2019-04-02 12:49, Steve Lhomme wrote:
>> On 4/2/2019 9:15 AM, Thomas Guillem wrote:
>>> On Mon, Apr 1, 2019, at 17:24, Rémi Denis-Courmont wrote:
>>>> Le maanantaina 1. huhtikuuta 2019, 14.21.42 EEST Thomas Guillem a 
>>>> écrit :
>>>>> This will be used by the libvlc media_player (when we switch from
>>>>> input_thread_t to vlc_player_t).
>>>>> This will be used by the following libvlc calls:
>>>>>   - libvlc_media_player_set_nsobject
>>>>>   - libvlc_media_player_set_xwindow
>>>>>   - libvlc_media_player_set_hwnd
>>>>>   - libvlc_media_player_set_android_context
>>>> No it won't. We agreed at the last meeting to use callbacks.
>>> I don't remember.
>> I don't remember talking about making any changes there either.
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> In my notes, I had a mention of a "vout window provider" when we need to
> create multiple window. It was in the multiple vout/multiple ES mapping
> with callback discussion, within the context of a mosaic output with
> opengl rendering.
> iirc, what has been said is mostly that each view of the mosaic would be
> a different video output and a different window which defines either a
> subsurface/subwindow or a viewport. The vout window provider was the
> mechanism to provide that. I'm not sure we defined anything else about
> it.
> In the context of this thread, it would solve the issue for the Qt
> window context, but I would say it needs an additional refactor that is
> not needed right now. So maybe we can use one of the suggested
> solution, even if marking it as deprecated right now, and refactor it
> out later to define and introduce this concept?

No sure we want to change the libvlc API's yet again for VLC 5.0. IMO it 
should be done now.

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