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

Calculating dependencies ... done!
Dependency resolution took 1.40 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libunibreak-8.0:0/8::gentoo  USE="-doc -man -static-libs -test" 1063 KiB
[ebuild  N     ] media-libs/libdvdcss-1.4.3:1.2::gentoo  USE="-doc" 380 KiB
[ebuild  N     ] media-libs/alsa-topology-conf-1.2.5.1-r1::gentoo  USE="-verify-sig" 12 KiB
[ebuild  N     ] media-libs/alsa-ucm-conf-1.2.16.1::gentoo  USE="-verify-sig" 83 KiB
[ebuild  N     ] media-libs/alsa-lib-1.2.16.1::gentoo  USE="python -debug -doc -verify-sig" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13 (-python3_15)" 1104 KiB
[ebuild  N     ] media-libs/x264-0.0.20240513-r1:0/164::gentoo  USE="interlaced -opencl -static-libs" 822 KiB
[ebuild  N     ] media-libs/xvid-1.3.7-r2::gentoo  USE="-examples" 683 KiB
[ebuild  N     ] sys-apps/pv-1.12.0::gentoo  USE="ncurses nls -debug -verify-sig" 479 KiB
[ebuild  N     ] sys-process/time-1.10::gentoo  832 KiB
[ebuild  N     ] media-libs/a52dec-0.7.4-r9::gentoo  USE="-oss" 236 KiB
[ebuild  N     ] media-libs/libdca-0.0.7-r1::gentoo  USE="-debug -oss" 155 KiB
[ebuild  N     ] app-i18n/enca-1.19-r4::gentoo  USE="iconv (-doc) -recode" 455 KiB
[ebuild  N     ] app-eselect/eselect-mpg123-0.1-r1::gentoo  0 KiB
[ebuild  N     ] app-eselect/eselect-cdparanoia-0.1-r1::gentoo  0 KiB
[ebuild  N     ] media-libs/dav1d-1.5.4:0/7::gentoo  USE="8bit 10bit asm -test -xxhash" 1015 KiB
[ebuild  N     ] media-libs/x265-4.3:0/217::gentoo  USE="10bit 12bit cet -numa -test -vmaf" 2005 KiB
[ebuild  N     ] dev-libs/libcdio-2.4.0:0/21::gentoo  USE="cxx -cddb -minimal -static-libs -test" 1682 KiB
[ebuild  N     ] media-libs/libdvdread-7.1.1:0/8::gentoo  USE="css -static-libs" 101 KiB
[ebuild  N     ] media-libs/libass-0.17.5-r1:0/9::gentoo  USE="fontconfig libunibreak -test -verify-sig" 450 KiB
[ebuild  N     ] x11-libs/libXv-1.0.13::gentoo  USE="-doc" 275 KiB
[ebuild  N     ] media-libs/aalib-1.4_rc5-r11::gentoo  USE="X gpm -slang" 382 KiB
[ebuild  N     ] media-sound/lame-3.100-r3::gentoo  USE="frontend -debug -mp3rtp -sndfile -static-libs" CPU_FLAGS_X86="(-mmx)" 1489 KiB
[ebuild  N     ] x11-libs/libXScrnSaver-1.2.5::gentoo  USE="-doc" 266 KiB
[ebuild  N     ] media-sound/mpg123-base-1.33.7::gentoo  USE="alsa ipv6 (-coreaudio) -int-quality -jack -nas -oss -portaudio -pulseaudio -sdl -verify-sig" CPU_FLAGS_X86="sse (-3dnow) (-3dnowext) (-mmx)" 1100 KiB
[ebuild  N     ] media-plugins/mpg123-output-plugins-1.33.7::gentoo  USE="alsa ipv6 (-coreaudio) -int-quality -jack -nas -oss -portaudio -pulseaudio -sdl -verify-sig" CPU_FLAGS_X86="mmx sse -3dnow -3dnowext" 0 KiB
[ebuild  N     ] net-libs/libssh-0.12.2:0/4::gentoo  USE="sftp zlib -debug -examples -fido2 -gssapi -mbedtls -pcap -server -static-libs -test -verify-sig" 742 KiB
[ebuild  N     ] media-video/ffmpeg-compat-6.1.6:6/58.60.60::gentoo  USE="X alsa bzip2 dav1d drm fontconfig gmp gnutls gpl jpeg2k libass opengl openssl postproc ssh truetype x264 x265 xml xvid zlib -amf -amr -amrenc (-appkit) -bluray -bs2b -cdio -chromaprint -codec2 -cuda-clang -fdk -flite -frei0r -fribidi -gcrypt -gme -gsm -iec61883 -ieee1394 -jack -jpegxl -kvazaar -ladspa -lame -lcms -libaom -libaribb24 -libcaca -libilbc -libplacebo -librtmp -libsoxr -lv2 -lzma -modplug -nvenc -ocr -openal -opencl -openh264 -openmpt -opus -pulseaudio -qsv -rabbitmq -rav1e -rubberband -samba -sdl -shaderc -snappy -sndio -soc -sofa -speex -srt -svg -svt-av1 -theora -twolame -v4l -vaapi -vdpau -verify-sig -vidstab -vorbis -vpx -vulkan -webp -zeromq -zimg -zvbi" 10262 KiB
[ebuild  N     ] dev-libs/libcdio-paranoia-2.0.2:0/2::gentoo  USE="cxx -static-libs -test" 2393 KiB
[ebuild  N     ] media-libs/libdvdnav-7.0.0::gentoo  USE="-static-libs" 84 KiB
[ebuild  N     ] media-sound/mpg123-1.33.7::gentoo  USE="alsa (-coreaudio) -jack -nas -oss -portaudio -pulseaudio -sdl" 0 KiB
[ebuild  N     ] media-video/mplayer-1.5_p20241125-r2::gentoo  USE="X a52 aalib alsa cdio dts dvd dvdnav enca encode iconv ipv6 jpeg libass md5sum mp3 network opengl osdmenu png shm truetype unicode x264 xscreensaver xv xvid (-aqua) -bidi -bl -bluray -bs2b -cddb -cdparanoia -cpudetection -debug -dga -doc -dv -dvb -faac -faad -fbcon -ftp -ggi -gsm -jack -joystick -ladspa -libcaca -libmpeg2 -lirc -live -lzo -mad -mng -nas -openal -oss -pnm -pulseaudio -pvr -radio -rar -rtc -rtmp -samba -sdl (-selinux) -speex -tga -theora -toolame -tremor -twolame -v4l -vcd -vdpau (-vidix) -vorbis -xinerama -yuv4mpeg -zoran" CPU_FLAGS_X86="avx avx2 fma3 mmx mmxext sse sse2 sse3 sse4_1 sse4_2 ssse3 -3dnow -3dnowext -fma4 -xop" VIDEO_CARDS="-mga" 15438 KiB
[ebuild  N     ] media-video/h264enc-10.4.7-r1::gentoo  136 KiB

Total: 32 packages (32 new), Size of downloads: 44111 KiB