>>> Emerging : portage://media-video/ffmpeg-chromium-153:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://media-libs/opus-1.6.1
             │           └─ file ─┤ 9.99 Mb  	 opus-1.6.1.tar.gz
             │ download  portage://media-video/ffmpeg-chromium-153
             │           └─ file ─┤ 11.09 Mb  	 ffmpeg-chromium-153.tar.xz

 └─step  2─┤ install   portage://media-libs/opus-1.6.1
             │           └─ conf ─┤ USE = "-custom-modes -debug -deep-plc -doc -dred -hardened -osce -static-libs -test"
             │                    │ CPU_FLAGS_X86 = "sse*"

 └─step  3─┤ run       portage://media-libs/opus-1.6.1

 └─step  4─┤ install   portage://media-video/ffmpeg-chromium-153
             │           └─ conf ─┤ USE = "threads* gpl -cpudetection -debug -nvenc -vaapi -vdpau -vulkan"
             │                    │ CPU_FLAGS_X86 = "aes avx avx2 fma3 mmx* mmxext* sse* sse2* sse3* sse4_1 sse4_2* ssse3* -3dnow -3dnowext -fma4 -xop"
             │                    │ SLOT = "153"

 └─step  5─┤ run     portage://media-video/ffmpeg-chromium-153

Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
       21.08 Mb to be downloaded.