depends gstreamer-1.0 && depends gst-plugins-base-1.0 && depends ninja-build-system depends meson && depends python3 && depends gstreamer-1.0 && depends gst-plugins-base-1.0 && depends orc && depends glib2 && depends libdrm && depends MESA && optional_depends wayland '' '' 'Wayland support' && optional_depends wayland-protocols '' '' '' && optional_depends bzip2 '' '' 'bzip2 compressor/decompressor plugin' && optional_depends cairo '' '' '' && optional_depends curl '' '' '' && optional_depends directfb '' '' 'directfb video output' && optional_depends libdvdnav '' '' '' && optional_depends libdvdread '' '' '' && optional_depends faac '' '' '' && optional_depends faad2 '' '' 'AAC audio decoding' && optional_depends fluidsynth '' '' 'FluidSynth support' && optional_depends JPEG '' '' '' && optional_depends ladspa '' '' 'LADSPA element' optional_depends libdca '' '' 'DTS audio decoding' && optional_depends libexif '' '' '' && optional_depends libgudev '' '' '' && optional_depends libmms '' '' 'mms protocol support' && optional_depends librsvg2 '' '' '' && optional_depends libssh2 '' '' '' && optional_depends libsrtp '' '' '' && optional_depends libsrtp2 '' '' '' && optional_depends libusb '' '' '' && optional_depends libwebp '' '' '' && optional_depends libx11 '' '' '' && optional_depends libxml2 '' '' '' && optional_depends mjpegtools '' '' 'mpeg2 encoder' && optional_depends nettle '' '' '' && optional_depends opencv '' '' '' && optional_depends openh264 '' '' '' && optional_depends opus '' '' '' && optional_depends pango '' '' '' && optional_depends sbc '' '' '' && optional_depends schroedinger '' '' 'dirac encoder/decoder' && optional_depends soundtouch '' '' 'soundtouch plugin' && optional_depends SSL '' '' 'encryption support' optional_depends x265 '' '' '' && optional_depends rtmpdump '' '' '' && optional_depends gobject-instrospection \ 'disable_introspection=false' \ 'disable_introspection=true' \ 'intropection support'