[vlc-devel] [PATCH 1/2] decoder: let the decoder device know it's force created

Steve Lhomme robux4 at ycbcr.xyz
Thu Sep 19 09:19:38 CEST 2019


On 2019-09-19 8:33, Rémi Denis-Courmont wrote:
> Sure you can change priorities, just have multiple entries with the same capability and different priority. Nothing new here.

Ah, that could work. I'll give it a try.

> Le 19 septembre 2019 09:07:44 GMT+03:00, Steve Lhomme <robux4 at ycbcr.xyz> a écrit :
>> On 2019-09-18 18:13, Rémi Denis-Courmont wrote:
>>> Le keskiviikkona 18. syyskuuta 2019, 17.09.16 EEST Steve Lhomme a
>> écrit :
>>>> When selecting between D3D11 and D3D9 on Windows we need to know if
>> the
>>>> decoder device may be optional or not (with external rendering it's
>> not).
>>>
>>> The force flag is an old kludge that does not account for how modules
>> proving
>>> really works. If you need this, your design is broken.
>>
>> There is nothing new here. It's just using the best pick already in the
>>
>> D3D/DXVA to the decoder device, since it's going to replace the lavc va
>>
>> pick.
>>
>> It's either forced by the user and used in automatic. In automatic we
>> don't want to use D3D11 on Win7 even if it can kind of work (needs
>> extra
>> conversion as it can't display NV12). I am not aware of any other way
>> to
>> do this fine tuning. We can't dynamically change the priorities of
>> modules.
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