mirror of
https://github.com/arthur-pbty/arthur-os.git
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59 lines
1.6 KiB
Plaintext
59 lines
1.6 KiB
Plaintext
# Transcode a video to a good-balance 1080p that's great for sharing online
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transcode-video-1080p() {
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ffmpeg -i "$1" -vf scale=1920:1080 -c:v libx264 -preset fast -crf 23 -c:a copy "${1%.*}-1080p.mp4"
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}
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# Transcode a video to a good-balance 4K that's great for sharing online
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transcode-video-4K() {
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ffmpeg -i "$1" -c:v libx265 -preset slow -crf 24 -c:a aac -b:a 192k "${1%.*}-optimized.mp4"
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}
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# Transcode a video to an animated GIF using a palette for accurate colors
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transcode-video-gif() {
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ffmpeg -i "$1" -vf "fps=10,scale=800:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" "${1%.*}.gif"
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}
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# Transcode any image to JPG image that's great for shrinking wallpapers
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img2jpg() {
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img="$1"
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shift
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magick "$img" "$@" -quality 85 -strip "${img%.*}-converted.jpg"
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}
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# Transcode any image to a small JPG (max 1080px wide)
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img2jpg-small() {
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img="$1"
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shift
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magick "$img" "$@" -resize 1080x\> -quality 85 -strip "${img%.*}-small.jpg"
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}
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# Transcode any image to a 4K JPG (max 2160px wide)
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img2jpg-medium() {
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img="$1"
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shift
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magick "$img" "$@" -resize 2160x\> -quality 85 -strip "${img%.*}-medium.jpg"
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}
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# Transcode any image to a 6K JPG (max 3160px wide)
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img2jpg-large() {
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img="$1"
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shift
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magick "$img" "$@" -resize 3160x\> -quality 85 -strip "${img%.*}-large.jpg"
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}
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# Transcode any image to compressed-but-lossless PNG
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img2png() {
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img="$1"
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shift
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magick "$img" "$@" -strip -define png:compression-filter=5 \
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-define png:compression-level=9 \
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-define png:compression-strategy=1 \
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-define png:exclude-chunk=all \
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"${img%.*}-optimized.png"
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}
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