Merge branch 'master' of git.lattuga.net:incandenza/docs

This commit is contained in:
Luca Conte 2023-11-08 11:23:50 +01:00
commit 5e09456a33
2 changed files with 38 additions and 1 deletions

15
arch.md
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@ -79,4 +79,17 @@ sudo pacman -Syyuu
```
Salvare il mirrorlist modificato con nome indicante data di backup.
Ripristnare il vecchio mirrorlist
Ripristnare il vecchio mirrorlist
##Nvidia driver
Piccola nota: o installi
```
sudo pacman -Sy nvidia
```
e questo fa funzionare il kernel standard
oppure installi
```
sudo pacman -Sy nvidia-dkms
```
e questo fa installare il kernel custom (leggasi RT) a patto che prima si siano installati gli headers di quel kernel

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## Playing with ffmpeg
...to extrac, manipulate and reassmbly frames
### Frames extraction
In running the command take note about original video fps
```
ffmpeg -i video.mp4 %05d.png
```
### Video creation from frames
In running the command take note about original video fps
```
ffmpeg -framerate 30 -pattern_type glob -i '*.png' -c:v libx264 -pix_fmt yuv420p paint.mp4
```
### Video warping from images
Using CUDA:
```
ffmpeg -y -fflags +genpts -r 30 -hwaccel cuda -hwaccel_output_format cuda -pattern_type glob -i '*.png' -vf "setpts=100*PTS,minterpolate=fps=24:scd=none" -pix_fmt yuv420p -c:v h264_nvenc "test01.mp4"
```