16 lines
408 B
Bash
16 lines
408 B
Bash
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#!/bin/busybox ash
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set -euo pipefail
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rm tmp.mkv || true
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ffmpeg -hide_banner \
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-loop 1 -r 25 -t 4 -i question.png \
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-filter_complex "
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gradients=s=2560x1440:d=4:c0=#000055:c1=#005500:x0=480:y0=540:x1=1440:y1=540[input];
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[0]fade=t=in:st=0:d=1:alpha=1,fade=t=out:st=3:d=1:alpha=1[overlay];
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[input][overlay]overlay=eval=frame:x=0:y=0[v]
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" \
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-map "[v]" \
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-c:v libsvtav1 -preset 1 -crf 18 \
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"tmp.mkv"
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