From 8e7a5d60a2aad235326a3a3190cc64c24685089f Mon Sep 17 00:00:00 2001
From: skywind3000 <skywind3000@163.com>
Date: Wed, 27 Jan 2021 16:16:28 +0800
Subject: [PATCH] commit ffmpeg.sh

---
 tools/ffmpeg.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/ffmpeg.sh b/tools/ffmpeg.sh
index 2eabaa7..3bb21d0 100644
--- a/tools/ffmpeg.sh
+++ b/tools/ffmpeg.sh
@@ -96,7 +96,8 @@ ffmpeg -i "<url>" out.mp4                                   # 下载视频
 ffmpeg -f lavfi -i anullsrc -i in.gif -c:v libx264 -c:a aac -shortest out.mp4
 
 # 给 gif 加上静音音轨并转换成 mp4，兼容手机播放
-ffmpeg -f lavfi -i anullsrc -i in.gif -c:v libx264 -c:a aac -shortest -pix_fmt yuv420p out.mp4
+ffmpeg -f lavfi -i anullsrc -i in.gif -c:v libx264 -c:a aac -shortest \
+       -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" out.mp4
 
 
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