From a6890de32dfc8b127d1eb55102a201f58cdbedb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
Date: Fri, 5 Dec 2025 14:41:30 +0000
Subject: [PATCH] mkv-to-webm

---
 scripts/mkv-to-webm | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/scripts/mkv-to-webm b/scripts/mkv-to-webm
index 037275c..52432bb 100755
--- a/scripts/mkv-to-webm
+++ b/scripts/mkv-to-webm
@@ -1,21 +1,17 @@
 #!/usr/bin/env bash
 
+# Convert h264 (or something else) to high-quality av1.
+# h264 audio must be opus.
+
 F="${1:?need arg1 to be set to input .mkv}"
 OUT="${1%.mkv}.webm"
-LOGBASE="${OUT}.passlog"
 
-# Pass 1: video only, stats only
-ffmpeg -y \
-  -i "$F" \
-  -map 0:v:0 \
-  -c:v libsvtav1 -preset 5 -crf 30 -g 240 -pix_fmt yuv420p \
-  -an -pass 1 -passlogfile "$LOGBASE" -f webm /dev/null
-
-# Pass 2: video + copy Opus audio
 ffmpeg \
-  -i "$F" \
-  -map 0:v:0 -map 0:a:0 \
-  -c:v libsvtav1 -preset 5 -crf 30 -g 240 -pix_fmt yuv420p \
-  -c:a copy \
-  -pass 2 -passlogfile "$LOGBASE" \
-  "$OUT"
+    -i "$F" \
+    -map 0 \
+    -c:a copy \
+    -c:v libsvtav1 \
+    -preset 6 \
+    -crf 28 \
+    -pix_fmt yuv420p10le \
+    "$OUT"