安装过程: 下载安装源,配置,编译,安装,设置环境变量。

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# wget http://www.ffmpeg.org/releases/ffmpeg-3.1.tar.gz
# tar -zxvf ffmpeg-3.1.tar.gz
# cd ffmpeg-3.1
# ./configure --prefix=/usr/local/ffmpeg
# make && make install
 
等待安装完成...
 
# vi /etc/profile
在最后PATH添加环境变量:
PATH=$PATH: /usr/local/ffmpeg/bin
export  PATH
保存退出
 
# source /ect/profile   设置生效
# ffmpeg -version       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

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# 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

 -----安装silk v3 decoder-----
   Github项目地址:https://github.com/kn007/silk-v3-decoder
      执行安装
         wget https://github.com/kn007/silk-v3-decoder/archive/master.zip
         说明 : unzip 解压yum安装 yum install -y unzip zip
         unzip master.zip
     进入silk目录
          cd 解压目录/silk-v3-decoder-master/silk
         kmake(安装)
     执行命令   
         sh 解压目录/silk-v3-decoder-master/converter.sh test.silk mp3|wav
         test.silk 测试文件
         mp3|wav是转换的格式
     注意:使用 silk v3 decoder必须安装gcc gcc-c++

         yum -y install gcc

         yum -y install gcc-c++



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