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26 lines
787 B
Bash
Executable File
26 lines
787 B
Bash
Executable File
#!/usr/bin/env bash
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# Concatenate rendered defense scenes (all under media/videos/defense/<quality>/).
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# Usage from paper/defense/manim after: ./render_defense full --quality qh
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# ./scripts/ffmpeg_concat_defense.sh qh
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set -euo pipefail
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QUALITY="${1:-qm}"
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ROOT="$(cd "$(dirname "$0")/.." && pwd)"
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LIST="$(mktemp)"
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trap 'rm -f "$LIST"' EXIT
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DIR="$ROOT/media/videos/defense/$QUALITY"
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while IFS= read -r line || [[ -n "$line" ]]; do
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[[ "$line" =~ ^#.*$ || -z "${line// }" ]] && continue
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name="$line"
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f="$DIR/${name}.mp4"
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if [[ ! -f "$f" ]]; then
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echo "missing: $f" >&2
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exit 1
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fi
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echo "file '$f'" >>"$LIST"
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done <"$ROOT/defense_scene_order.txt"
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OUT="$ROOT/media/defense_rehearsal_${QUALITY}.mp4"
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ffmpeg -y -f concat -safe 0 -i "$LIST" -c copy "$OUT"
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echo "wrote $OUT"
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