ASCII train, Libcaca video ( img2txt ) + HowTo.

ASCII video, libcaca. Width is 180 columns, resolution 1280x720, 5 fps.

Libcaca video HOWTO:
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- Linux CLI only
- Angled brackets in script are in the html form ">", replace them in source please.

Python converter: HTML to IMAGE.
Imgkit - Python 2 and 3 wrapper for wkhtmltoimage utility to convert HTML to IMG using Webkit.
Imgkit is doing the most important part. It converts an intermediate HTML to a PNG image.

The Imgkit is used instead of the outdated Webkit2png. The Webkit2png doesn't work with new QT.

1) nedded: Imgkit - Python 2 and 3 wrapper for the wkhtmltoimage utility to convert HTML to IMG using Webkit

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import imgkit
import sys
options = {
'quiet': '',
'quality': '100'
}
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3) Demo version of bash script (it's slow):

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#!/bin/bash

f=$( ls *.mp4 )

for i in $(ls | grep jpg | sort) ; do
echo $i
j=$( echo $i | sed '1,$ s/\(.*\)\.jpg/\1/')
done

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4) Parallel processing bash script, 1 image per CPU core:

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#!/bin/bash

c=16 # CPU cores

echo
echo "############################## 1 ################################"
echo

f=$( ls *.mp4 ) # .mp4 input

echo
echo "############################## 2 ################################"
echo

for i in $(ls | grep jpg | sort) ; do
j=$( echo $i | sed '1,$ s/\(.*\)\.jpg/\1/')

s=$( ps -ef | grep img2txt | grep -v grep | wc -l )

while [[ $s -ge $c ]] ; do
echo -n "."
sleep 1
s=$( ps -ef | grep img2txt | grep -v grep | wc -l )
if [[ $s -lt $c ]]
then
echo "."
fi
done
done

echo
echo "############################## 3 ################################"
echo

for i in $(ls | grep html | sort) ; do
j=$( echo $i | sed '1,$ s/\(.*\)\.html/\1/')

echo $s

while [[ $s -ge $c ]] ; do
echo -n "."
sleep 1
if [[ $s -lt $c ]]
then
echo "."
fi
done
done

echo
echo "############################## 4 ################################"
echo

for i in $(ls | grep _ | grep png | sort) ; do
j=$( echo $i | sed '1,$ s/_\(.*\)\.png/\1/')

s=$( ps -ef | grep convert | grep -v grep | wc -l )
echo $s

while [[ $s -ge $c ]] ; do
echo -n "."
sleep 1
s=$( ps -ef | grep convert | grep -v grep | wc -l )
if [[ $s -lt $c ]]
then
echo "."
fi
done
done

echo
echo "############################## 5 ################################"
echo

f=$( cat $f | sed '1,$ s/\(.*\)\.mp4/\1/' )

rm *.png

exit 0

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