ffmpeg 编译问题备忘

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本文介绍了在CentOS7.5环境下，针对FFmpeg3.4版本的编译过程。在遇到nasm/yasm未找到或过旧的问题时，通过添加--disable-x86asm参数解决，并成功完成编译。编译后的FFmpeg版本为3.4.8，展示了其核心组件的版本信息。

编译环境

centos7.5 ffmpeg3.4

编译过程

[root@localhost ffmpeg]# ./configure 
nasm/yasm not found or too old. Use --disable-x86asm 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 "ffbuild/config.log" produced by configure as this will help
solve the problem.

将以上编译配置命令增加参数 --disable-x86asm ，如下命令

[root@localhost ffmpeg]# ./configure --disable-x86asm

最后执行make 即可完成编译

编译成功后，测试方法

[root@localhost ffmpeg]# ./ffmpeg -version 
ffmpeg version n3.4.8-5-g8f5e16b Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-44)
configuration: --disable-x86asm
libavutil      55. 78.100 / 55. 78.100
libavcodec     57.107.100 / 57.107.100
libavformat    57. 83.100 / 57. 83.100
libavdevice    57. 10.100 / 57. 10.100
libavfilter     6.107.100 /  6.107.100
libswscale      4.  8.100 /  4.  8.100
libswresample   2.  9.100 /  2.  9.100