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View Full Version : Anyway to do "ChangeFPS" without breaking DXVA1 ?


thomaz909
22nd December 2015, 12:49
Hi,
is it possible to do a "ChangeFPS" without breaking DXVA1 ?

i need it to fix a general amd driver bug :(

video with 25p goes jerky sometimes but when i do ChangeFPS to doublerate video stays smooth all the time.

but i have to use dxva1 to use the gpu of my c-50 / hd 6250 combo.
cpu is 100% on hd content.

StainlessS
22nd December 2015, 21:58
Mobile:
Sorry but I don't see why this might be an avisynth problem.
Changefps for double speed just delivers twice as many frames per second, ie every second frame is a repeat.
Avisynth cannot do it at all faster.
No idea what dxva1 requires, but whatever it is, is unlikely to be at all (EDIT: adversely) affected by avisynth Changefps x2
(unless dx-etc cannot deal with x2 video anyways).

vivan
23rd December 2015, 06:19
I don't think copyback is possible with dxva1, so using avisynth with h/w there shouldn't be possible.

Are you sure that it's "changefps" that does the thing, instead of just using software decoding?

thomaz909
24th December 2015, 02:01
reclock does change framerate from 24fps to 25fps to match my 50hz display.
so framerate change is possible with dxva1
the question now is if its possible to "changefps" too.

25fps = stutter/jerky after 10-20 mins. then i have to hit pause and play again to get smooth again.
50fps = smooth all the time no matter what i do on my primary display.

mpc-hc or dvbviewer with system default renderer @ 50hz display

but on the small c-50 i have to use dxva cause cpu is too slow and even 720p @ 25fps is impossible.

no matter. i give up. windows and perfect low power video is a lost fight.

raspberry pi2 + kodi + real vector adaptive deinterlacing + f3kdb + best upscaling *dream*