This is a well-groomed and well-maintained collection of GStreamer plug-ins and elements, spanning the range of possible types of elements one would want to write for GStreamer. gst1-plugins-good is for gstreamer1 (GStreamer 1.x). Optional dependencies are libdv, libshout, libvpx, libiec61883, jack-audio-connection-kit, pulseaudio, and speex.