libgstreamerd-3-dev 3.7.1-1ubuntu1 (i386 binary) in ubuntu bionic

 GStreamer is a streaming media framework, based on graphs of filters which
 operate on media data. Applications using this library can do anything from
 real-time sound processing to playing videos, and just about anything else
 media-related.
 .
 This package contains development files needed to write applications in
 the D programming language that use GStreamer.