ffmpeg transcode video to mp4

ffmpeg is a powerful video transcoding tool

Referenced Chinese documents:

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

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

 

centos6.6 64-bit installation

Install libx264 (required for video transcoding)

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

cd x264

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

make

make install

 

Some package installation introductions, specific installation reference links:

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

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

Codec package in libfaac faac format

libmp3lame mp3 format codec package

libopencore-amrwb libopencore-amrnb amr format codec package

libx264 x264 format codec package

libvorbis ogg format codec package

libxvid xvid format codec package

 

Install the dependency package ams

yum install ams can be installed or installed through the compressed package

 

install 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

 

The last step loads the configuration:

ldconfig

Transcode video to mp4 format:

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

 

Transcode video to mp4 format and set resolution:

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

 

More parameter reference documents:

Subtitles, compression, get video duration, etc.