0LAV configuración y Mad-vr óptimas para una GPU de gama alta a 1080p

He pasado mucho tiempo experimentando con mad-vr y lav tratando de encontrar la configuración óptima para mi GTX 1050Ti que se envía a un proyector de 1080p.. La configuración para pantallas de mayor resolución será muy diferente, pero como los proyectores 4k son actualmente tan caros, para una verdadera experiencia de "cine en casa" 1080p es el límite para la mayoría de las personas.

The first thing to do in mad­vr is to set up pro­files for dif­fer­ent res­ol­u­tion videos — 1080p videos will require far less work than much lower or high­er res­ol­u­tions, p.ej. 360p (necesita mucho trabajo para bien de lujo) o 4320p (takes a lot of decod­ing). tambien tengo 2 dif­fer­ent low-res­ol­u­tion pro­files, one of which gets filtered by file exten­sion so I can use dif­fer­ent set­tings for par­tic­u­larly low qual­ity old divx videos.

Próximo, spend some time read­ing an up-to-date art­icle about all the set­tings. Many guides get out of date as the avail­able set­tings change so make sure the inform­a­tion is up-to-date.

Algunos use­ful inform­a­tion on which decod­ing mode to use in LAV is avail­able. I recom­mend DXVA2 Nat­ive (no CopyBack)

Fun­da­ment­ally, mad­vr is pro­cessing lots of frames per second. So it can­’t spend very long on each frame to main­tain smooth play­back. Render times over 40ms will almost cer­tainly res­ult in dropped frames. The frame rate of the con­tent will also mat­ter: 60fps es un trabajo mucho más duro que 24fps. You may want to have dif­fer­ent pro­files for dif­fer­ent frame-rate content.

Cuadros por segundoMax­im­um render time
60fps16Sra
50fps / 48fps20Sra
30fps33Sra
25fps / 24fps40Sra

En términos de tamaños, I group them as there are a lot of dif­fer­ent poten­tial sizes. Very little con­tent is in 4:3 proporción, so in most cases the con­tent will be either 16:9 o serán letterboxed

SD con­tent is usu­ally 360p, 480p o 576p. As 360p is so rare I focus on 480p con­tent for SD as set­tings suit­able for 480p60 will cope with 576p as well. I then have cat­egor­ies for 720p, 1080p, 2160py 4320p.
Sin embargo, I recom­mend using the width of the con­tent, rather than the height in pro­cessing rules. El formato más ancho que es probable que encuentro es que es UltraPanavision70 2.76:1. Using this aspect ratio would see 720p con­tent have an actu­al res­ol­u­tion of 1280×464. Many videos in these wider formats have had the let­ter­box­ing cut off, and the prob­lem of defin­ing sizes begins…

There are formats below 360p but you are very unlikely to have any watch­able videos in those formats.

Formatotyp­ic­al heighttyp­ic­al width
360p360640
480p480640–854
576p576704–720
720p534–720960‑1280
1080p Full HD800‑10801440–1920
4k UHD 2160p1600–21602880–4096
8k SUHD 4320p3200–43205760–8192

Asi que, to be com­pre­hens­ive we need rules for both width and height of the video. Any video with a height great­er than 2160 or a width great­er than 4096 will have to be regarded as great­er than 4k, por lo que vamos tratamos como 8k, y así

Formatomin­im­um height+1min­im­um width+1
4320p21604096
2160p10802048
1080p7201280
720p576720
Dakota del Sur00

Asi que, the fol­low­ing set of rules would do the job to group by both res­ol­u­tion and to split into 4 fram­er­ate groups (59–60fps; 47–50fps; 29–30fps; 23–25fps)

You may well wish to use a smal­ler num­ber of group­ings as it is likely you will get a lot of over­lap in set­tings with some of these set­tings. I find that I only need to split by fram­er­ate for the lower resolutions.

si (deintFps > 50) y ((srcWidth  4096) o (srcHeight  2160)) "4320p60"
else if (deintFps >= 47) y ((srcWidth  4096) o (srcHeight  2160)) "4320p50"
else if (deintFps >= 29) y ((srcWidth  4096) o (srcHeight  2160)) "4320p30"
else if (deintFps  29) y ((srcWidth  4096) o (srcHeight  2160)) "4320p25"

I will con­tin­ue to tinker and optim­ise my own set­tings, and whenev­er I have found improve­ments I will update them below.

My set­tings are as follows

SD-lowQ

tratamiento

escalada

representación

Dakota del Sur

tratamiento

escalada

representación

720p

tratamiento

escalada

representación

1080p

tratamiento

escalada

representación

4k

tratamiento

escalada

representación

8k

tratamiento

escalada

representación

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