From b89fbc61c89662537876300d386fb56e62af9fb5 Mon Sep 17 00:00:00 2001
From: Jan Koppe <post@jankoppe.de>
Date: Thu, 31 Oct 2024 07:26:28 +0100
Subject: [PATCH] dhcp24: renderscript v1

---
 dhcp2024/render.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 dhcp2024/render.sh

diff --git a/dhcp2024/render.sh b/dhcp2024/render.sh
new file mode 100644
index 0000000..334175e
--- /dev/null
+++ b/dhcp2024/render.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+set -euxo pipefail
+
+INTRO="$1"
+RECORDING="$2"
+OUTRO="${3:-intros/outro_ccbysa.mkv}"
+
+START_SECONDS="$3"
+STOP_SECONDS="$4"
+
+DURATION_SECONDS=$(($STOP_SECONDS - $START_SECONDS))
+FADEOUT_SECONDS=$(($DURATION_SECONDS - 1))
+
+ffmpeg -i "$INTRO" \
+  -ss $START_SECONDS -t $DURATION_SECONDS -i "$RECORDING" \
+  -i "$OUTRO" -filter_complex \
+  "[1:v:0]fade=t=in:st=0:d=0.2[x];[x]fade=t=out:st=$FADEOUT_SECONDS:d=1.0[y];\
+  [1:a:0]afade=t=in:st=0:d=0.2[a];[a]afade=t=out:st=$FADEOUT_SECONDS:d=1.0[b];\
+  [b]dynaudnorm[bd];\
+  [0:v:0][0:a:0]\
+  [y][bd]\
+  [2:v:0][2:a:0]\
+  concat=n=3:v=1:a=1\
+  [v][a0]" \
+  -map '[v]' -map '[a0]' \
+  -c:a aac -b:a 192k \
+  -c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
+  -metadata:s:a:0 language=native \
+  "rendered_recordings/$(basename -s .mp4 ${INTRO})_$(basename -s .mkv ${RECORDING})_COMBINED.mkv"