群晖DSM7.0 VideoStation 支持 DTS、EAC3 等专利音轨的方法补充

安装调用第三方 ffmpeg

参考 此篇博客 安装 ffmpeg^[1] 并执行相关命令。

在 DSM6 的时候，通过此方法就可以完美解决问题了，但是在 DSM 更新到 7.0 之后，据说因为 Advanced Media Extensions 的存在，导致第三方 ffmpeg 被阻止，从而出现 DTS 等音轨视频无法播放的问题。目前网上能搜到的方法基本就是建议卸载 Advanced Media Extensions 并安装低版本 VideoStation。个人不太喜欢旧版本的软件，所以还是希望能有不降级的方法。好在前述博客中提到了 ffmpeg 的日志位置，通过查看日志，发现，在播放DTS等格式的视频时，所有调用第三方 ffmpeg 等过程都正常，只是在最后提示Permission Deny 猜测可能是权限的问题，于是查看 /var/packages/ffmpeg/target/bin/ffmpeg 相关权限，发现其用户和组权限是 sc-ffmpeg synocommunity 于是将权限分别更改为 root VideoStation 命令如下：

chown root:VideoStation /var/packages/ffmpeg/target/bin/ffmpeg

然后测试相关视频成功。

文本提到相关软件版本：

DSM: 7.0-41890

VideoStation: 3.0.1-2067

ffmpeg: 4.3.2-38

一些参考

1. 群晖VideoStation支持DTS、EAC3、TrueHD
2. 如何让群辉 NAS 的 Video Station 正确获取元数据、支持 DTS 音轨
3. 群晖 Video Station 支持 DTS 和 eac3 解决方案

相关命令备份

sudo -i
chmod +s /var/packages/ffmpeg/target/bin/ffmpeg
chmod +s /var/packages/ffmpeg/target/bin/ffprobe
chmod +s /var/packages/ffmpeg/target/bin/vainfo
# 备份
mv /var/packages/VideoStation/target/lib/libsynovte.so /var/packages/VideoStation/target/lib/libsynovte.so-BACKUP
mv /var/packages/VideoStation/target/bin/ffmpeg /var/packages/VideoStation/target/bin/ffmpeg-BACKUP
mv /var/packages/VideoStation/target/bin/ffprobe /var/packages/VideoStation/target/bin/ffprobe-BACKUP
mv /var/packages/VideoStation/target/bin/vainfo /var/packages/VideoStation/target/bin/vainfo-BACKUP

# 更新/var/packages/VideoStation/target/ffmpeg为自定义脚本，调用第三方的ffmpeg
echo "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" | base64 -d | gunzip > /var/packages/VideoStation/target/bin/ffmpeg


# 更新ffprobe vainfo
ln -s /var/packages/ffmpeg/target/bin/ffprobe /var/packages/VideoStation/target/bin/ffprobe
ln -s /var/packages/ffmpeg/target/bin/vainfo /var/packages/VideoStation/target/bin/vainfo

# 解除对EAC3 DTS TrueHD的屏蔽
sed -i'-BACKUP' -e 's/eac3/ZAAP/' -e 's/dts/ZAP/' -e 's/truehd/ZAPZAP/' /var/packages/VideoStation/target/lib/libsynovte.so

# 调整权限信息
chmod +x /var/packages/VideoStation/target/bin/ffmpeg
chmod +s /var/packages/VideoStation/target/bin/ffmpeg
chown root:VideoStation /var/packages/VideoStation/target/bin/ffmpeg
chown root:VideoStation /var/packages/ffmpeg/target/bin/ffmpeg

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1. 推荐少数派这篇 文章 作为 ffmpeg 安装参考 ↩︎