Daniele Fucini
638f7e3dd9
vidthumb names thumbnails by a hash of path, size and mtime instead of a jq index that broke on quotes in filenames; systemd-tmpfiles removes ones unused for 30 days. discover-overlay-wait now runs from a systemd user unit started by xmonad and logs to the journal.
30 lines
1001 B
Bash
Executable File
30 lines
1001 B
Bash
Executable File
#!/bin/bash
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# Prints a cached thumbnail for the video in $1 (used by the lf preview), creating it if needed.
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# Thumbnails are named by a hash of path, size and mtime, so a changed file gets a new one.
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# Hits touch the file; systemd-tmpfiles (~/.config/user-tmpfiles.d/vidthumb.conf) removes unused ones.
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[[ -f $1 ]] || exit 1
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cache="${XDG_CACHE_HOME:-$HOME/.cache}/vidthumb"
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video=$(realpath -- "$1") || exit 1
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stamp=$(stat -c '%s.%Y' -- "$video") || exit 1
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key=$(printf '%s\0%s' "$video" "$stamp" | sha256sum)
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thumb="$cache/${key%% *}.jpg"
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if [[ -s $thumb ]]; then
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touch -- "$thumb"
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printf '%s\n' "$thumb"
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exit 0
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fi
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mkdir -p -- "$cache" || exit 1
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# Write to a temp file first, so an interrupted or concurrent run never leaves a broken thumbnail.
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tmp=$(mktemp --suffix=.jpg "$cache/.tmp.XXXXXX") || exit 1
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if ffmpegthumbnailer -i "$video" -o "$tmp" -s 0 2> /dev/null && [[ -s $tmp ]]; then
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mv -f -- "$tmp" "$thumb"
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printf '%s\n' "$thumb"
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else
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rm -f -- "$tmp"
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exit 1
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fi
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