[vlc-devel] [PATCH v3] Add draining support to filters

Rémi Denis-Courmont remi at remlab.net
Tue Oct 20 13:26:58 CEST 2020

Based on the description this has the exact same problems as the previous version.


Le 20 octobre 2020 14:04:05 GMT+03:00, Steve Lhomme <robux4 at ycbcr.xyz> a écrit :
>I'm not sending the 35 patches to the ML (too big) but the individual 
>patches can be found at
>Changes since v2:
>- rebased on master + epileptic filter support + picture dropping
>- "full" draining of filters is supported in the vout, transcode, 
>mosaic, SDI
>- a flag to the drain callback of filters is added to tell them they 
>should not only sending the delayed pictures they may have left to send
>but also anything else based on the source pictures they were given. No
>more pictures will be given until a flush or a deletion of the filters.
>- for now no filters give extra pictures, this is left to implement per
>filter, in addition of the drain callback they already have
>- the filter chain doesn't store "pending" pictures anymore. When a 
>filter_chain_VideoFilter() is done without (enough) draining before, it
>starts draining all filters first. This is how the filter chain worked 
>so far. They were stored in pending and if nothing drying the pending 
>chain, they were released in the next filter_chain_VideoFilter() call.
>Changes since v1:
>- fix misc compilation issues
>- rework the fps code so that the extra pictures can actually be added
>- rework the fps draining with more explanation. Using the 
>   was incorrect as it was shifted already.
>- keep the reference date for VDPAU x2 deinterlacing draining
>- add truncated commit text in last patch
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