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SmoothVideo Project → Posts by Chainik
Nvidiaaa
> How much nvidia optical flow helps
I wouldn't say it is really better in terms of quality. Moreover, if you already used to some kind of visual artifacts and then you see different kind - it can be annoying.
But if you care about CPU load especially playing 4K/HDR then NVOF could be a life-saver for a less-than-6-cores CPU.
Blackfyre
> GPU helps a little with SVP
yeah, "a little", but it actually halves the cpu load 
> I found that 2160p 10-bit Blu-rays stutter at 120 fps but are smooth at 90 fps in mpv.
is there any difference with "allow output in 10 bit color depth" on or off?
> Is there a way to transcode using the CLI and not having to use the GUI?
the exact command line is given right in the first (ok, 2nd) line of the log
> I've gotten SW encoder to work fine with the SVPCode
two logs above were made with software H.265 encoder
> I can even use the HW encoder, for which the SVP says that my GPU is insufficient
it says it's insufficient for motion interpolation job via OpenCL, not for encoding
https://github.com/RadeonOpenCompute/RO … /issues/59
> 03:08:27.856: [encode] Opening muxer: Matroska [matroska]
> 03:08:27.857: [encode] Failed to initialize muxer.
dunno, probably ffmpeg was built in some unusual way in your system
> but seeing "mpv exited with error 2" doesn't really tell me anything
there must be a lot of lines before this one
As a Linux user you must know how to read the logs
think of this: raw video data for 4k*3k*60 fps*15 secs video will be 4000*3000*1.5*60*15 = 16.4 GB
you probably should read something about losseless vs. lossy compression
1660 and later can use NVIDIA Optical Flow API for this
> I did, it makes the fan work even harder since the cpu block is extra hot now the fan is roaring at max speed almost all the time when I do this lol.......
this's strange, this "trick" is usually works
probably the NV card is still in use by the video renderer for example
you may want switch SVP to use IGP instead
it makes much less heat than the NV card
> So why should i use svp then ?
everyone can decide this for himself by using a 30-days trial
and everyone has his own level of acceptable artifacts, obviously
there's always a "haloing issue" with frame interpolation
if you can't get used to it probably frame interpolation is not your thing
BTW, 21th and 23th SVP shaders try to reduce this effect
what exactly do you expect when encoding with a lossless codec?
move the perf/quality slider in SVP to the left for 6k
ffdshow video decoder is software only so it can eat a lot of cpu power by itself
> SVP detects it and even i can see processing resources being used (but not maxed out, ~60%)
6k videos obviously need a high-end CPU... and 60% load can actually mean "full load" with HT enabled
> furthermore, H265 6k videos just won't get detected altogether
this means ffdshow is not set as a default decoder for h265
> How can i change it to the second profile ?
1. Manually
2. By using appropriate profile conditions
https://www.svp-team.com/wiki/Manual:FR … he_Profile
have no idea
if "-b:v 0" works as ffmpeg param then "--ovcopts=b=0" must work as a mpv param
"b:v" is a video bitrate
add "b=2M" to ovcopts
не, ну в виртуалке на чистой семерке оно работает
Таки да
There are two versions of this player. The 64 bit version is just MPC-HC cloned directly without changing much of the GUI. The 32 bit version is old PotPlayer without further improvements.
А чего он какой-то вообще другой, с интерфейсом от MPC-HC?
Я не слежу, он там что, "эволюционировал" до скина к MPC-HC? 
А процессор?
Может попробовать накатить в /mpv64 более старую версию Vapoursynth? Например, вон ту - https://github.com/vapoursynth/vapoursy … ble-R45.7z
> all i get is a black screen
Not sure SVP can produce a black screen. There must be another reason for this.
Windows то хоть какой?
> MPV через SVP видео воспроизводит, но частота кадров не увеличивается. SVP пишет "нет активных видео".
При этом наверное в логе написано что-то похожее на "Could not initialize VapourSynth scripting", да?
Если других версий питона в системе нет, то может быть он просто запуститься не может.
mpv64/python.exe запускается, консоль показывает?
Возможно надо вручную переустановить вот это - https://aka.ms/vs/16/release/vc_redist.x64.exe
> Сколько я не ковырялся с VapourSynth и Python
может в этом и дело
по-умолчанию ни с чем ковыряться не надо, все ставится в одну папку SVP 4/mpv64, из которой и должно работать
возможен конфликт версий питона, если он уже стоит в системе и прописаны переменные окружения, в первую очередь PYTHONPATH
просмотр в mpv, если его запускать через меню SVP, работает?
SmoothVideo Project → Posts by Chainik
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