| | 1 | #!/bin/bash |
| | 2 | # Desc: Reèˆncodes .mp4 videos in a specified directory. |
| | 3 | # Usage: mp4_make480.sh [dir] |
| | 4 | # Output: dir ./out/ |
| | 5 | # file ./out/[files]_480.mp4 |
| | 6 | # Version: 0.0.1 |
| | 7 | |
| | 8 | dir_in="$1"; |
| | 9 | dir_out="./out"; |
| | 10 | if [[ $# -ne 1 ]]; then echo "FATAL:No dir specified." 1>&2; exit 1; fi; |
| | 11 | if [[ ! -d "$dir_in" ]]; then echo "FATAL:Not a dir:$dir_in" 1>&2; exit 1; fi; |
| | 12 | mkdir -p "$dir_out"; |
| | 13 | declare -p dir_in dir_out; # debug |
| | 14 | |
| | 15 | while read -r line; do |
| | 16 | path_out=./"$dir_out"/"${line%.mp4}"_480.mp4; |
| | 17 | declare -p line path_out; # debug |
| | 18 | ffmpeg -nostdin -i "$dir_in" -vf "scale=-2:480" -c:a copy "$path_out"; |
| | 19 | done < <(find . -mindepth 1 -maxdepth 1 -type f -name "*.mp4") |
projects / BK-2020-03.git / blame_incremental