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16threads.sh
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16threads.sh
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#! /bin/bash
ffmpeg_looped (){
local z="$1"
local aa=$(ls weighted/ | grep "$z"i )
if [ ! -z $aa ]
then
cd weighted
mv "$aa" ../encoding/"$aa"
cd ..
yes | ffmpeg -i encoding/$aa -c:v libaom-av1 -crf "$crf_val" -minrate 500k -b:v 2000k -maxrate 2500k -pass 1 -passlogfile log"$aa" -strict -2 -an -f matroska /dev/null 2> ../log_ffmpeg/log-${aa#$z}
ffmpeg -i encoding/"$aa" -c:v libaom-av1 -crf "$crf_val" -minrate 500k -b:v 2000k -maxrate 2500k -pass 2 -passlogfile log"$aa" -strict -2 av1_encoded/${aa#$z} 2> ../log_ffmpeg/log-${aa#$z}
cd encoding
mv "$aa" ../used/"$aa"
cd ../
# rm log"$aa""-0".log
fi
}
tim=$(date)
echo "start $tim" > time
original="$1"
name="$2"
echo name→$name original→$original
mkdir ../fatto WIP WIP/encoding WIP/av1_encoded WIP/weighting WIP/weighted WIP/used log_ffmpeg
count=$(ffprobe -show_frames "$original" | grep -c pict_type=I)
num=${#count}
count=$((count-=1))
ffmpeg -i "$original" -map 0:v -f segment -segment_time 0 -c:v copy -reset_timestamps 1 WIP/i%${num}d.mkv -y
ffmpeg -i "$original" -map 0:a -map 0:s -c copy WIP/other.mkv -y
count=-1
cd WIP
for i in i*
do
count=$((count+=1))
mv "$i" weighting/"$i"
done
for i in $(seq -w 0 $count)
do
tmp=$(ls -S weighting/ | head -1)
mv weighting/"$tmp" weighted/"$i""$tmp"
done
for crf_val in {27..30}
do
tmp=$count
d1=$((tmp-=1))
f1=$((tmp-=1))
h1=$((tmp-=1))
j1=$((tmp-=1))
l1=$((tmp-=1))
n1=$((tmp-=1))
p1=$((tmp-=1))
(
for a in $(seq -w 0 $count)
do
ffmpeg_looped "$a"
done |
for b in $(seq -w $count -1 8)
do
ffmpeg_looped "$b"
done |
for c in $(seq -w 1 $count)
do
ffmpeg_looped "$c"
done |
for d in $(seq -w $d1 -1 8)
do
ffmpeg_looped "$d"
done |
for e in $(seq -w 2 $count)
do
ffmpeg_looped "$e"
done |
for f in $(seq -w $f1 -1 8)
do
ffmpeg_looped "$f"
done |
for g in $(seq -w 3 $count)
do
ffmpeg_looped "$g"
done |
for h in $(seq -w $h1 -1 8)
do
ffmpeg_looped "$h"
done |
for i in $(seq -w 4 $count)
do
ffmpeg_looped "$i"
done |
for j in $(seq -w $j1 -1 8)
do
ffmpeg_looped "$j"
done |
for k in $(seq -w 5 $count)
do
ffmpeg_looped "$k"
done |
for l in $(seq -w $l1 -1 8)
do
ffmpeg_looped "$l"
done |
for m in $(seq -w 6 $count)
do
ffmpeg_looped "$m"
done |
for n in $(seq -w $n1 -1 8)
do
ffmpeg_looped "$n"
done |
for o in $(seq -w 7 $count)
do
ffmpeg_looped "$o"
done |
for p in $(seq -w $p1 -1 8)
do
ffmpeg_looped "$p"
done
)
cd av1_encoded
for a in ./*.mkv
do
echo "file '$a'" >> mylist.txt
done
cd ../../
ffmpeg -f concat -safe 0 -i WIP/av1_encoded/mylist.txt -i WIP/other.mkv -map 0:v -map 1 -c copy $name$crf_val.mkv
tim=$(date)
echo "end_$crf_val $tim" >> time
mv $name$crf_val.mkv ../fatto/
rm -rf WIP/av1_encoded/* WIP/audio.mka
mv WIP/used/* WIP/weighted/
cd WIP
done