查看“Ffmepg”的源代码

=Usage=
<pre>
 # mylist.txt >>>
file '1.mp4'
file '2.mp4'
file '3.mp4'
# 这些文件是相对路径，如使用绝对路径需要添加 `-safe 0` 参数
$ ffmpeg -f concat -i mylist.txt -c copy  output.mp3 #or output.mp4

</pre>

https://wangchujiang.com/reference/docs/ffmpeg.html
=install=
==yum==
<pre>
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
rpm  --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro
 #rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-1.el7.nux.noarch.rpm
sudo rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
yum install -y ffmpeg #ffmpeg-devel  开发包
</pre>

=refercence=
[https://www.cnblogs.com/wpjamer/p/ffmpeg.html CentOS中yum安装ffmpeg]

[https://blog.csdn.net/weixin_40156882/article/details/121240732  nginx流媒体服务器（基于CentOS7）实现rtmp直播流，m3u8视频流]



[[category:devops]]