Binary package “libavformat-dev” in ubuntu trusty

Development files for libavformat

 Libav is a complete, cross-platform solution to decode, encode, record,
 convert and stream audio and video.
 This is the demuxer library from Libav. It supports most
 existing file formats (AVI, MPEG, OGG, Matroska, ASF...).
 This package contains the header files and static libraries needed to
 compile applications or shared objects that use libavformat.