On 21/02/17 13:51, Haris Zukanovic wrote: > Hi everyone, > > The last record of an attempt to introduce QSV filters in the mailing list > would be the > thread titled lavf/vpp: Enable vpp filter, an Intel GPU accelerated scaler > from 8/25/16. > ...but I understand the hwaccell sharing context was not at all ready at that > point... > > Since now ffmpeg does implement api for hwaccell to enable zero-copy pipeline > between decoder and encoder, I wonder how far away it is from being ready to > accept implementation of some of the hw-accellerated filters as well, like > deinterlace and resize? > > Would you say the QSV zero-copy filters implementation will be able to > support a scenario for multiple quality encoding where, for example, when > producing 3 qualities I would: > 1. decode + deinterlace once + split into 3 > 2. resize 3 times (each split) > 3. encode 3 times (once for each resized output)
This all works in libav/avconv - if you want a working implementation now then I suggest you use it there. Merging it to ffmpeg is currently blocked by <http://ffmpeg.org/pipermail/ffmpeg-devel/2017-February/207178.html>. - Mark _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
