我如何从 ubuntu 12.04 上的启动板安装此包？ https://launchpad.net/ubuntu/+source/libav
答案1
该页面会告诉您它的软件包：
ffmpeg: Multimedia player, server, encoder and transcoder (transitional package)
ffmpeg-doc: Documentation of the Libav API (transitional package)
libav-doc: Documentation of the Libav API
libav-source: Patched Libav sources
libav-tools: Multimedia player, server, encoder and transcoder
libavcodec-dev: Development files for libavcodec
libavcodec53: Libav codec library
libavdevice-dev: Development files for libavdevice
libavdevice53: Libav device handling library
libavfilter-dev: Development files for libavfilter
libavfilter2: Libav video filtering library
libavformat-dev: Development files for libavformat
libavformat53: Libav file format library
libavutil-dev: Development files for libavutil
libavutil51: Libav utility library
libpostproc-dev: Development files for libpostproc
libpostproc52: Libav video postprocessing library
libswscale-dev: Development files for libswscale
libswscale2: Libav video scaling library
ffmpeg仍用作 的传统名称libav。是的，我知道它们不再是同一个东西（一个是分支），但它们的命名不正确。我不确定您是否还能获得老式的 ffmpeg 版本。
简而言之：
sudo apt-get install ffmpeg