41 lines
1.3 KiB
Bash
41 lines
1.3 KiB
Bash
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#!/bin/bash -e
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#####################################################
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#
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# Bipack.sh will simulate the optical printing effect
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# of superimposing video A over video B with a third
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# video (the matte) as the alpha layer.
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#
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# Usage: bash ffmpeg/filter/bipack.sh <input video A> <input video B> <input video matte> <output video>
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#
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#####################################################
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A=${1}
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B=${2}
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MATTE=${3}
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OUTPUT_FILE=${4}
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CONTRAST=100
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W=1280
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H=720
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RATE=24
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echo "Running bipack on image sources ${A} and ${B} with ${MATTE} as the matte layer..."
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time ffmpeg -y -i $A -i $B -i $MATTE \
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-filter_complex "
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color=0x000000:size=${W}x${H}, format=rgb24[bla];
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[0] fps=${RATE},scale=${W}:${H}:force_original_aspect_ratio=decrease,format=rgb24 [a];
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[1] fps=${RATE},scale=${W}:${H}:force_original_aspect_ratio=decrease,format=rgb24 [b];
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[2] fps=${RATE},scale=${W}:${H}:force_original_aspect_ratio=decrease,format=gray,
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smartblur=1, eq=contrast=$CONTRAST, format=rgb24 [maska];
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[2] fps=${RATE},scale=${W}:${H}:force_original_aspect_ratio=decrease,format=gray,
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smartblur=1, eq=contrast=$CONTRAST, negate, format=rgb24 [maskb];
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[bla][a][maska] maskedmerge, format=rgb24 [pass1];
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[pass1][b][maskb] maskedmerge, format=rgb24
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" \
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-r $RATE \
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-c:v prores_ks \
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-profile:v 3 \
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-shortest \
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$OUTPUT_FILE
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