8|media-libs/libmp4v2|libmp4v2-2.1.3-r1.ebuild|~alpha:amd64:arm:~arm64:~hppa:~ia64:~mips:ppc:ppc64:~riscv:sparc:x86:~amd64-linux:~x86-linux:~ppc-macos:~x64-macos|sound@gentoo.org