From ca3afd4b24e0e2fa9a616642f479ed438a11b591 Mon Sep 17 00:00:00 2001
From: mattmcw <matt@sixteenmillimeter.com>
Date: Sun, 9 May 2021 16:10:35 -0400
Subject: [PATCH] Bipack with fewer steps

---
 ffmpeg/filter/bipack_steps.sh | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/ffmpeg/filter/bipack_steps.sh b/ffmpeg/filter/bipack_steps.sh
index daf73dd..a257a7e 100644
--- a/ffmpeg/filter/bipack_steps.sh
+++ b/ffmpeg/filter/bipack_steps.sh
@@ -13,7 +13,6 @@ OUTPUT=${4}
 MATTE1=matte1.mov
 MATTE2=matte2.mov
 PASS1=pass1.mov
-PASS2=pass2.mov
 
 echo "Generating mattes from $MATTE..."
 
@@ -29,30 +28,21 @@ ffmpeg -y -i "$A" -i "$MATTE1" \
 	-shortest \
 	"$PASS1"
 
-echo "Applying matte to $B..."
-
-ffmpeg -y -i "$B" -i "$MATTE2" \
-	-filter_complex 'color=0x000000:size=1280x720,format=rgb24[bla];[bla][0][1]maskedmerge' \
-	-c:v prores_ks \
-	-profile:v 4 \
-	-shortest \
-	"$PASS2"
-
 echo "Cleaning up tmp matte files..."
 
 rm "$MATTE1"
-rm "$MATTE2"
+
 
 echo "Combining matted layers together into $OUTPUT_FILE..."
 
-ffmpeg -y -i "$PASS1" -i "$PASS2" \
-	-filter_complex "[0][1]blend=all_mode='lighten'" \
+ffmpeg -y -i "$PASS1" -i "$B" -i "$MATTE2" \
+	-filter_complex '[0][1][2]maskedmerge' \
 	-c:v prores_ks \
-	-profile:v 3 \
+	-profile:v 4 \
 	-shortest \
-	"$OUTPUT"
+	"${OUTPUT}"
 
 echo "Cleaning up temp files..."
 
+rm "$MATTE2"
 rm "$PASS1"
-rm "$PASS2"
\ No newline at end of file