{ lib , gccStdenv , stdenv , fetchurl , cmake , nasm # NUMA support enabled by default on NUMA platforms: , numaSupport ? (stdenv.hostPlatform.isLinux && (stdenv.hostPlatform.isx86 || stdenv.hostPlatform.isAarch64)) , numactl # Multi bit-depth support (8bit+10bit+12bit): , multibitdepthSupport ? (stdenv.is64bit && !(stdenv.isAarch64 && stdenv.isLinux)) # Other options: , cliSupport ? true # Build standalone CLI application , custatsSupport ? false # Internal profiling of encoder work , debugSupport ? false # Run-time sanity checks (debugging) , ppaSupport ? false # PPA profiling instrumentation , unittestsSupport ? stdenv.isx86_64 # Unit tests - only testing x64 assembly , vtuneSupport ? false # Vtune profiling instrumentation , werrorSupport ? false # Warnings as errors }: let mkFlag = optSet: flag: if optSet then "-D${flag}=ON" else "-D${flag}=OFF"; isCross = stdenv.buildPlatform != stdenv.hostPlatform; in stdenv.mkDerivation rec { pname = "x265"; version = "3.6"; outputs = [ "out" "dev" ]; # Check that x265Version.txt contains the expected version number # whether we fetch a source tarball or a tag from the git repo src = fetchurl { url = "https://bitbucket.org/multicoreware/x265_git/downloads/x265_${version}.tar.gz"; hash = "sha256-ZjUx80HFOJ9GDXMOYuEKT8yjQoyiyhCWk4Z7xf4uKAc="; }; patches = [ ./darwin-__rdtsc.patch ]; sourceRoot = "x265_${version}/source"; postPatch = '' substituteInPlace cmake/Version.cmake \ --replace "unknown" "${version}" \ --replace "0.0" "${version}" '' # There is broken and complicated logic when setting X265_LATEST_TAG for # mingwW64 builds. This bypasses the logic by setting it at the end of the # file + lib.optionalString stdenv.hostPlatform.isMinGW '' echo 'set(X265_LATEST_TAG "${version}")' >> ./cmake/Version.cmake ''; nativeBuildInputs = [ cmake nasm ] ++ lib.optionals (numaSupport) [ numactl ]; cmakeFlags = [ "-Wno-dev" (mkFlag custatsSupport "DETAILED_CU_STATS") (mkFlag debugSupport "CHECKED_BUILD") (mkFlag ppaSupport "ENABLE_PPA") (mkFlag vtuneSupport "ENABLE_VTUNE") (mkFlag werrorSupport "WARNINGS_AS_ERRORS") ] # Clang does not support the endfunc directive so use GCC. ++ lib.optional (stdenv.cc.isClang && !stdenv.targetPlatform.isDarwin) "-DCMAKE_ASM_COMPILER=${gccStdenv.cc}/bin/${gccStdenv.cc.targetPrefix}gcc"; cmakeStaticLibFlags = [ "-DHIGH_BIT_DEPTH=ON" "-DENABLE_CLI=OFF" "-DENABLE_SHARED=OFF" "-DEXPORT_C_API=OFF" ] ++ lib.optionals stdenv.hostPlatform.isPower [ "-DENABLE_ALTIVEC=OFF" # https://bitbucket.org/multicoreware/x265_git/issues/320/fail-to-build-on-power8-le ] ++ lib.optionals isCross [ (mkFlag stdenv.hostPlatform.isAarch32 "CROSS_COMPILE_ARM") (mkFlag stdenv.hostPlatform.isAarch64 "CROSS_COMPILE_ARM64") ]; preConfigure = lib.optionalString multibitdepthSupport '' cmake -B build-10bits $cmakeFlags "''${cmakeFlagsArray[@]}" $cmakeStaticLibFlags cmake -B build-12bits $cmakeFlags "''${cmakeFlagsArray[@]}" $cmakeStaticLibFlags -DMAIN12=ON cmakeFlagsArray+=( -DEXTRA_LIB="x265-10.a;x265-12.a" -DEXTRA_LINK_FLAGS=-L. -DLINKED_10BIT=ON -DLINKED_12BIT=ON ) '' + '' cmakeFlagsArray+=( -DGIT_ARCHETYPE=1 # https://bugs.gentoo.org/814116 ${mkFlag (!stdenv.hostPlatform.isStatic) "ENABLE_SHARED"} -DHIGH_BIT_DEPTH=OFF -DENABLE_HDR10_PLUS=ON ${mkFlag cliSupport "ENABLE_CLI"} ${mkFlag unittestsSupport "ENABLE_TESTS"} ) ''; # Builds 10bits and 12bits static libs on the side if multi bit-depth is wanted # (we are in x265_/source/build) preBuild = lib.optionalString multibitdepthSupport '' make -C ../build-10bits -j $NIX_BUILD_CORES make -C ../build-12bits -j $NIX_BUILD_CORES ln -s ../build-10bits/libx265.a ./libx265-10.a ln -s ../build-12bits/libx265.a ./libx265-12.a ''; doCheck = unittestsSupport; checkPhase = '' runHook preCheck ./test/TestBench runHook postCheck ''; postInstall = '' rm -f ${placeholder "out"}/lib/*.a '' # For mingw, libs are located in $out/bin not $out/lib + lib.optionalString stdenv.hostPlatform.isMinGW '' ln -s $out/bin/*.dll $out/lib ''; meta = with lib; { description = "Library for encoding H.265/HEVC video streams"; mainProgram = "x265"; homepage = "https://www.x265.org/"; changelog = "https://x265.readthedocs.io/en/master/releasenotes.html#version-${lib.strings.replaceStrings ["."] ["-"] version}"; license = licenses.gpl2Plus; maintainers = with maintainers; [ codyopel ]; platforms = platforms.all; }; }