argo-2 ~ # emerge -pqv '=media-video/ffmpeg-4.4.1-r5::gentoo'
[ebuild     U ] media-video/ffmpeg-4.4.1-r5 [4.4.1-r1] USE="bzip2 dav1d encode gnutls gpl iconv jpeg2k network postproc threads x264 x265 zlib -X -alsa (-amf) -amr -amrenc (-appkit) -bluray -bs2b -cdio -chromaprint -chromium -codec2 -cpudetection (-cuda) -debug -doc -fdk -flite -fontconfig -frei0r -fribidi -gcrypt -gme -gmp -gsm -hardcoded-tables -iec61883 -ieee1394 -jack -kvazaar -ladspa -libaom -libaribb24 -libass -libcaca -libdrm -libilbc -librtmp -libsoxr -libtesseract -libv4l -libxml2 -lv2 -lzma (-mipsdspr1) (-mipsdspr2) (-mipsfpu) (-mmal) -modplug -mp3 -nvenc% -openal -opencl -opengl -openh264 -openssl -opus -oss -pic -pulseaudio -rav1e -rubberband -samba -sdl -snappy -sndio -speex -srt -ssh -static-libs -svg -svt-av1 -test -theora -truetype -twolame -v4l -vaapi -vdpau -vidstab (-vmaf) -vorbis -vpx -vulkan -webp -xvid -zeromq -zimg -zvbi" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="mmx mmxext sse sse2 -3dnow -3dnowext -aes -avx -avx2 -fma3 -fma4 -sse3 -sse4_1 -sse4_2 -ssse3 -xop" FFTOOLS="aviocat cws2fws ffescape ffeval ffhash fourcc2pixfmt graph2dot ismindex pktdumper qt-faststart sidxindex trasher" VIDEO_CARDS="(-nvidia%)" 

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argo-2 ~ #