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https://github.com/bytedream/scripts.git
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49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env sh
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verify_commands() {
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commands=("ffmpeg" "ffprobe")
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for command in "${commands[@]}"; do
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which $command &> /dev/null
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if [ $? -ne 0 ]; then
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echo "command '$command' not found"
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exit 1
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fi
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done
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}
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main() {
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verify_commands
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for arg in "$@"; do
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for file in $(ls "$arg"); do
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filename="${file%.*}"
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extension="${file##*.}"
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if [ "$extension" != "mp4" ]; then
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echo "Invalid filetype: $file (expected mp4)"
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continue
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fi
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width=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$file")
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height=$(ffprobe -v error -select_streams v:0 -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 "$file")
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rotation=$(ffprobe -v error -select_streams v:0 -show_entries stream_side_data=rotation -of default=noprint_wrappers=1:nokey=1 "$file")
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if [ "$rotation" -eq "90" ] || [ "$rotation" -eq "-90" ]; then
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new_width=$height
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new_height=$width
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width=$new_width
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height=$new_height
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fi
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if [ "$width" -gt "$height" ]; then
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width=1920
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height=-1
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else
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width=-1
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height=1920
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fi
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ffmpeg -i "$file" -vf scale="$width:$height" -c:v libsvtav1 -preset 4 -crf 23 -pix_fmt yuv420p10le -svtav1-params tune=0:film-grain=8 -c:a copy "${filename}_compressed.${extension}"
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done
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done
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}
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main $@
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