如何在 CentOS 7 linux上安装和使用 FFmpeg

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1.下载解压

wget http://www.ffmpeg.org/releases/ffmpeg-5.1.tar.gz

tar -zxvf ffmpeg-5.1.tar.gz

2、 进入解压后目录,输入如下命令/usr/local/ffmpeg为自己指定的安装目录

cd ffmpeg-5.1
./configure --prefix=/usr/local/ffmpeg
./configure --prefix=/usr/local/ffmpeg --enable-openssl --disable-x86asm
make && make install

静静等待安装完成。

3.配置变量

vi /etc/profile
在最后PATH添加环境变量：
export PATH=$PATH:/usr/local/ffmpeg/bin

保存退出

4.查看版本
注意：若安装过程中出现以下错误：

yasm/nasm not found or too old. Use –disable-yasm for a crippled build.
If you think configure made a mistake, make sure you are using the latest
version from Git. If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
Include the log file “config.log” produced by configure as this will help
solve the problem.

需要安装 yasm

wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar -zxvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
./configure
make && make install

从此你就可以快乐扭一扭了！ 如果没生效的话，重启一下机器就可以了