我已经在 Ubuntu 14.04 中安装了 ffmpeg 2.3
ffmpeg -i demo.mpg -acodec libfaac demo.mp4
ffmpeg version 2.3 Copyright (c) 2000-2014 the FFmpeg developers
built on Aug 13 2014 22:15:33 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration:
libavutil 52. 92.100 / 52. 92.100
libavcodec 55. 69.100 / 55. 69.100
libavformat 55. 48.100 / 55. 48.100
libavdevice 55. 13.102 / 55. 13.102
libavfilter 4. 11.100 / 4. 11.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 19.100 / 0. 19.100
Input #0, mpeg, from 'demo.mpg': …