>>> Emerging : portage://www-apps/jellyfin-bin-12.2:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ useflag portage://media-video/ffmpeg-8.1.3 (vpx)

 └─step  2─┤ download  portage://dev-lang/yasm-1.3.0-r2
             │           └─ file ─┤ 1.42 Mb  	 yasm-1.3.0.tar.gz
             │ download  portage://dev-libs/libunibreak-8.0
             │           └─ file ─┤ 1.04 Mb  	 libunibreak-8.0.tar.gz
             │ download  portage://media-libs/alsa-lib-1.2.16.1
             │           └─ file ─┤ 1.08 Mb  	 alsa-lib-1.2.16.1.tar.bz2
             │ download  portage://media-libs/alsa-topology-conf-1.2.5.1-r1
             │           └─ file ─┤ 11.42 Kb  	 alsa-topology-conf-1.2.5.1.tar.bz2
             │ download  portage://media-libs/alsa-ucm-conf-1.2.16.1
             │           └─ file ─┤ 82.32 Kb  	 alsa-ucm-conf-1.2.16.1.tar.bz2
             │ download  portage://media-libs/dav1d-1.5.4
             │           └─ file ─┤ 1014.50 Kb  	 dav1d-1.5.4.tar.xz
             │ download  portage://media-libs/libass-0.17.5-r1
             │           └─ file ─┤ 449.36 Kb  	 libass-0.17.5.tar.xz
             │ download  portage://media-libs/libvpx-1.16.0
             │           └─ file ─┤ 5.37 Mb  	 libvpx-1.16.0.tar.gz
             │ download  portage://media-libs/x264-0.0.20240513-r1
             │           └─ file ─┤ 821.87 Kb  	 x264-0.0.20240513.tar.bz2
             │ download  portage://media-libs/x265-4.3
             │           └─ file ─┤ 1.96 Mb  	 x265_4.3.tar.gz
             │ download  portage://media-libs/xvid-1.3.7-r2
             │           └─ file ─┤ 682.24 Kb  	 xvidcore-1.3.7.tar.bz2
             │ download  portage://media-video/ffmpeg-8.1.3
             │           └─ file ─┤ 0.66 Kb  	 ffmpeg-8.1-patchset-2.tar.xz
             │                    │ 11.19 Mb  	 ffmpeg-8.1.3.tar.xz
             │ download  portage://net-libs/libssh-0.12.2
             │           └─ file ─┤ 741.88 Kb  	 libssh-0.12.2.tar.xz
             │ download  portage://www-apps/jellyfin-bin-12.2
             │           └─ file ─┤ 84.58 Mb  	 jellyfin_12.2-amd64.tar.xz
             │ download  portage://x11-libs/libXv-1.0.13
             │           └─ file ─┤ 274.86 Kb  	 libXv-1.0.13.tar.xz

Total: 16 actions (1 useflag, 15 downloads), grouped into 2 steps.
       110.62 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    media-video/ffmpeg vpx