90 lines
2.4 KiB
Bash
Executable File
90 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
|
|
if [ $# -ne 1 ]; then
|
|
echo "Please provide the path to one video file"
|
|
$(exit 1); echo "$?"
|
|
fi
|
|
|
|
echo "Getting black screen times"
|
|
|
|
# reads the output of ffprobe into an array
|
|
mapfile -t timings < <(ffprobe -f lavfi -i "movie=$1,blackdetect[out0]" -show_entries frame_tags=lavfi.black_start,lavfi.black_end -of default=nw=1 -v quiet -print_format flat)
|
|
|
|
#timings=(frames.frame.0.tags.lavfi_black_start="0.389" frames.frame.1.tags.lavfi_black_end="0.431" frames.frame.255.tags.lavfi_black_start="11.025" frames.frame.256.tags.lavfi_black_end="11.067")
|
|
|
|
seltimings=()
|
|
|
|
for i in "${!timings[@]}"; do
|
|
# cut timing to only output the time
|
|
timing="$(echo ${timings[$i]} | cut -d= -f2 | tr -d '"')"
|
|
if [ $((${i}%2)) -eq 0 ]; then
|
|
starttime=$timing
|
|
#echo "Start time: $starttime"
|
|
else
|
|
endtime=$timing
|
|
#echo "End time: $endtime"
|
|
timediff="$(echo "(($endtime - $starttime))" | bc -l)"
|
|
#echo "Difference: $timediff"
|
|
# check for sections longer than 2 seconds
|
|
if (( $(echo "$timediff > 2" | bc -l) )); then
|
|
echo "Start time: $starttime"
|
|
echo "End time: $endtime"
|
|
echo "Difference: $timediff"
|
|
seltimings+=($starttime)
|
|
seltimings+=($endtime)
|
|
fi
|
|
fi
|
|
done
|
|
|
|
# TODO check whether seltimings is set/filled at all
|
|
|
|
for i in "${seltimings[@]}"; do
|
|
echo $i
|
|
done
|
|
|
|
# track split files created
|
|
splitfiles=()
|
|
|
|
# build command
|
|
command="ffmpeg -i "$1" -c copy -map 0 -t ${seltimings[0]} "1.mkv""
|
|
splitfiles+=("1.mkv")
|
|
echo "file 1.mkv" > "list.txt"
|
|
|
|
tmp=$(( ${#seltimings[@]} - 2 ))
|
|
length=$(( $tmp / 2 ))
|
|
|
|
selector=1
|
|
|
|
n=0
|
|
|
|
while [[ $n -lt $length ]]; do
|
|
n=$((n+1))
|
|
up=$(( $selector + 1 ))
|
|
low=$selector
|
|
command+=" -c copy -map 0 -ss ${seltimings[$low]} -t $(echo "${seltimings[$up]} - ${seltimings[$low]}" | bc -l) "$(( $n + 1 )).mkv""
|
|
splitfiles+=("$(( $n + 1 )).mkv")
|
|
echo "file $(( $n + 1 )).mkv" >> "list.txt"
|
|
selector=$(( $selector + 2 ))
|
|
done
|
|
|
|
lastsel=$(( ${#seltimings[@]} - 1 ))
|
|
command+=" -c copy -map 0 -ss ${seltimings[$lastsel]} "$(( $n + 2 )).mkv""
|
|
splitfiles+=("$(( $n + 2 )).mkv")
|
|
echo "file $(( $n + 2)).mkv" >> "list.txt"
|
|
|
|
echo "Running command"
|
|
echo "$command" | tee command.sh
|
|
bash command.sh
|
|
|
|
ffmpeg -f concat -i "list.txt" -c copy -map 0 "out-${1}"
|
|
|
|
# cleanup
|
|
rm command.sh
|
|
rm list.txt
|
|
for file in ${splitfiles[@]}; do
|
|
rm "$file"
|
|
done
|
|
|
|
exit 0
|