2017-08-08 9:31 GMT-03:00 Vincent Pinon <vpi...@kde.org>: > > Evert, did you try to share your custom profiles using "HotNewStuff" > function in Kdenlive? ;) >
+1 > > > Vincent > > > > Le mardi 8 août 2017, 12:47:31 CEST Evert Vorster a écrit : > > Hi there, Bernd. > > Kdenlive supports hardware encoding through custom encoding profiles. > > This is my profile for hardware hevc encoding with nvidia: > > properties=x265-medium f=matroska vcodec=hevc_nvenc acodec=aac > crf=%quality ab=%audiobitrate+'k' > > > It would have been awesome if mlt and ffmpeg used the same format in > command lines, but this is not the case. At least they are close. > > Unfortunately I only have intel cards, so I cannot test the intel vaapi > acelleration for you. > > > Kind regards, > > > On 8 August 2017 at 10:35, B.M. <b-m...@gmx.ch> wrote: > > Dear all, > > After some years without I'm getting back to video editing... I already > searched quite a lot but it's really hard to find "realiable" information, > so I decided to ask here: > > - It seems that hw accel is not available in kdenlive > > - As far as I understand kdenlive uses mlt which uses ffmpeg. ffpmeg can > use hardware acceleration for de- and encoding. So is mlt to "blame" for > missing hw accel. in kdenlive? > > - There has been a patch (bug 378832) "use of vaapi in transcoding and > rendering" which seems to tackle my question. But what did it really change > - > / what is it for? I didn't find more info on that and it's in kdenlive > 17.04, while Debian is at 16.12. and before I compile myself I'd like to > get more info. > > - Furthermore I found a thread on this list back in April "kdenlive and > mlt nvenc enabled" covering the same topic but for nvidia instead of Intel > graphics; unfortunately nobody reported back if it really works. For me it > reads like the patch I mentioned above. > > So regarding the current state of hw accel in kdenlive I'm still uncertain. > > Thank you for your inputs. > > Kind regards > Bernd > > > > > -- > > Evert Vorster > Isometrix Acquistion Superchief > > > > -- 1111.1010.r.i.1101|n.o.i.s.1110|i.m.1010.g.1110|مقاومة fsf member #5439 usuario GNU/Linux #471966 |_|0|_| |_|_|0| |0|0|0| <a href="http://www.gunga.com.br";>gunga</a> <a href="http://www.tempoecoarte.com.br";>tempoecoarte</a> <a href="http://www.atelier-labs.org";>atelier-labs</a> <a href="http://www.mocambos.net";>rede mocambos</a>
