[vlc-devel] [PATCH 2/2] core: don't reserve decoder pictures for filtering in direct renderering
robux4 at gmail.com
Mon Nov 28 16:03:15 CET 2016
On Mon, Nov 28, 2016 at 3:29 PM, Rémi Denis-Courmont <remi at remlab.net> wrote:
> On November 28, 2016 2:27:10 PM GMT+02:00, Steve Lhomme <robux4 at gmail.com> wrote:
>>It seems that vdpau has some filters that can handle
>>VLC_CODEC_VDPAU_VIDEO_XXX as input and output. There are actually 4 of
>>them so if you want to use all of them at once it won't work either.
>>This magic 3 number is odd. I understand it's better to allocate
>>things once to avoid failing later. But maybe the filter shouldn't
>>peek in a static reserved pool or we want to ensure a filter always
>>have something to process into, we should at least fix the number of
>>reserved pictures once we know how many filters will be used.
>>On Sun, Nov 27, 2016 at 4:39 PM, Steve Lhomme <robux4 at gmail.com> wrote:
>>> On Sat, Nov 26, 2016 at 10:32 AM, Rémi Denis-Courmont
>><remi at remlab.net> wrote:
>>>> Le samedi 26 novembre 2016, 09:56:00 Steve Lhomme a écrit :
>>>>> On Sat, Nov 26, 2016 at 9:45 AM, Rémi Denis-Courmont
>><remi at remlab.net>
>>>>> > And how do we ensure that there are enough pictures for filters
>>>>> Is there any filter when using direct rendering on other platforms
>>>> And what do you mean by that? To my knowledge, all platforms support
>>>> with DR.
>>> Maybe I should be more precise: no filter with direct rendering
>>> output. There are inputs on Windows as well possible to convert
>>> to non-opaque. But no filter that will output an opaque picture, that
>>> would need some picture from the vout pool.
>>>> Rémi Denis-Courmont
>>>> vlc-devel mailing list
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> Most filters don't need extra refs, and as long as video filters don't get their own VLC object structure type, there is no way for them to convey that bit of info.
So what's this "3" value for ? Can we get rid of it ? Reduce it ?
> VDPAU does not do DR that I'd know so I don't understand what you are saying
OK so there doesn't seem to be any filter used when using direct
rendering, ie peeking in the reserved pool with an opaque chroma.
> Rémi Denis-Courmont
> vlc-devel mailing list
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