colemar

## Mosaic of two video sources with ffmpeg
ffmpeg -referer "https://claplivehdplay.ru/" -http_persistent false -i "https://salamus2023.onlinehdhls.ru/wiki/wikiten1/tracks-v1a1/mono.m3u8" -referer "https://claplivehdplay.ru/" -http_persistent false -i "https://salamus2023.onlinehdhls.ru/wiki/wikiten3/tracks-v1a1/mono.m3u8" -filter_complex "[0:v][1:v]xstack=inputs=2:layout=0_0|0_h0[v]" -map "[v]" -map 0:a -f matroska - | ffplay -

## 1 videoframes.md

      
              2 files
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                colemar
                / 1 videoframes.md
            
            
              Last active
              January 22, 2023 23:37
            
              
                Extract key frames and scenecuts from video
              
          
    Extract key frames and scenecuts from video

  Usage: videoframes [OPTION] FILE
  Extract key frames and scenecuts from video FILE.

  -k  key frames only
  -s  scenecuts only

  Creates jpg pictures containing a mosaic of thumbnails of the selected frames.


## print_key_frames
ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -print_format csv | gawk -F, "/^frame/{print $22,$22-n;n=$22}"
ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -show_entries frame=pts_time -print_format csv | gawk -F, "/^frame/{printf \"%.0f %.0f\n\",$2*23.976,($2-n)*23.976;n=$2}"
ffprobe in.mkv -v error -select_streams v:0 -show_entries packet=pts_time,flags -print_format csv | gawk -F, "$3~\"^K\"{printf \"%.0f %.0f\n\",$2*23.976,($2-n)*23.976;n=$2}"

## #wg-peer.md

      
              2 files
            
          
              2 forks
            
          
              4 comments
            
          
              9 stars
            
          
                colemar
                / #wg-peer.md
            
            
              Last active
              April 20, 2024 20:55
            
              
                Manage Wireguard peers (IPv4 only)
              
          
    Manage Wireguard peers (IPv4 only)

List, add or delete Wireguard peers. Also show client configuration for already added peers.
wg-peer [add|show <peer>|del <peer>|list]

where:

a[dd]  add a new peer


## README.md

      
              2 files
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                colemar
                / README.md
            
            
              Last active
              November 23, 2022 21:09
            
              
                Find Files in Time Range
              
          
    Find Files in Time Range

Recursively search for all files whose last modification time is in a specified range.
fftr path {time|file} range [b]

where:

path is where to start the search


## Validate ip address format (bash)
ipaddr=144.24.81.189
[[ "$ipaddr." =~ ^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])[.]){4}$ ]] && echo "Well formed" || echo "Syntax error"

## Free ip address geolocation with bash
sudo wget https://gist.github.com/colemar/727125dea3d17543b1099ccff84f6eda/raw/88dd98c6283d9586248e9644023b4bb37ee1799f/gil -o /usr/local/bin/gil
sudo chmod +x /usr/local/bin/gil
	ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -print_format csv \| gawk -F, "/^frame/{print $22,$22-n;n=$22}"
	ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -show_entries frame=pts_time -print_format csv \| gawk -F, "/^frame/{printf \"%.0f %.0f\n\",$223.976,($2-n)23.976;n=$2}"
	ffprobe in.mkv -v error -select_streams v:0 -show_entries packet=pts_time,flags -print_format csv \| gawk -F, "$3~\"^K\"{printf \"%.0f %.0f\n\",$223.976,($2-n)23.976;n=$2}"
	ipaddr=144.24.81.189
	[[ "$ipaddr." =~ ^((25[0-5]\|2[0-4][0-9]\|1[0-9][0-9]\|[1-9]?[0-9])[.]){4}$ ]] && echo "Well formed" \|\| echo "Syntax error"
	sudo wget https://gist.github.com/colemar/727125dea3d17543b1099ccff84f6eda/raw/88dd98c6283d9586248e9644023b4bb37ee1799f/gil -o /usr/local/bin/gil
	sudo chmod +x /usr/local/bin/gil