From 4ec595641da311e2628f85137cc56b05e883db66 Mon Sep 17 00:00:00 2001
From: kelriclink <kelriclink@gmail.com>
Date: Mon, 23 Feb 2026 23:05:40 +0800
Subject: [PATCH] =?UTF-8?q?chore:=20=E8=B0=83=E6=95=B4AV1=E7=83=A7?=
 =?UTF-8?q?=E5=BD=95preset/crf?=
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---
 src/videoroll/apps/subtitle_service/processing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/videoroll/apps/subtitle_service/processing.py b/src/videoroll/apps/subtitle_service/processing.py
index 95af0fd..fcd094d 100644
--- a/src/videoroll/apps/subtitle_service/processing.py
+++ b/src/videoroll/apps/subtitle_service/processing.py
@@ -539,7 +539,7 @@ def render_burn_in(
     else:
         # AV1 default: SVT-AV1, balanced preset and constant quality.
         # Note: preset range is 0..13 (lower = slower/better).
-        video_args = ["-c:v", "libsvtav1", "-preset", "6", "-crf", "28"]
+        video_args = ["-c:v", "libsvtav1", "-preset", "4", "-crf", "24"]
 
     cmd = [
         ffmpeg_path,