ffmpeg转码视频为mp4

ffmpeg是一个强大视频转码工具

参考的中文文档:

https://github.com/biglazy/gist/blob/master/ffmpeg/ffmpeg.txt

https://legacy.gitbook.com/book/xdsnet/other-doc-cn-ffmpeg/details

 

centos6.6 64位安装

安装libx264(视频转码必备)

git clone git://git.videolan.org/x264.git

cd x264

./configure --enable-static --enable-shared

make

make install

 

一些包安装介绍,具体安装参考链接:

https://www.linuxidc.com/Linux/2015-02/112693.htm

https://blog.csdn.net/lymemoryzz/article/details/50150193

libfaac faac格式的编解码包

libmp3lame mp3格式编解码包

libopencore-amrwb libopencore-amrnb amr格式编解码包

libx264 x264格式编解码包

libvorbis ogg格式编解码包

libxvid xvid格式编解码包

 

安装依赖包 ams

yum install ams 或者通过压缩包安装都可以

 

安装ffmpeg

wget https://ffmpeg.org/releases/ffmpeg-4.0.tar.bz2

tar -jxvf

cd ffmpeg-4.0

./configure --enable-gpl --enable-nonfree --enable-pthreads --enable-libx264 --enable-libmp3lame --disable-x86asm

make

make install

 

最后一步加载配置:

ldconfig

转码视频为mp4格式:

/usr/local/bin/ffmpeg -i 1.avi -c:v libx264 -strict -2 output.mp4

 

转码视频为mp4格式并设置分辨率:

/usr/local/bin/ffmpeg -i 1.wmv -c:v libx264 -strict -2 -s 800x460 -b 1000k 1.mp4

 

更多参数参考文档:

字幕,压缩,获取视频时长等