139 lines
4.9 KiB
Nix
139 lines
4.9 KiB
Nix
{ lib
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, stdenv
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, fetchurl
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, fetchpatch
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, cmake
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, nasm
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# NUMA support enabled by default on NUMA platforms:
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, numaSupport ? (stdenv.hostPlatform.isLinux && (stdenv.hostPlatform.isx86 || stdenv.hostPlatform.isAarch64))
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, numactl
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# Multi bit-depth support (8bit+10bit+12bit):
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, multibitdepthSupport ? (stdenv.is64bit && !(stdenv.isAarch64 && stdenv.isLinux))
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# Other options:
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, cliSupport ? true # Build standalone CLI application
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, custatsSupport ? false # Internal profiling of encoder work
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, debugSupport ? false # Run-time sanity checks (debugging)
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, ppaSupport ? false # PPA profiling instrumentation
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, unittestsSupport ? (stdenv.is64bit && !(stdenv.isDarwin && stdenv.isAarch64)) # Unit tests - only testing x64 assembly
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, vtuneSupport ? false # Vtune profiling instrumentation
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, werrorSupport ? false # Warnings as errors
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}:
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let
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mkFlag = optSet: flag: if optSet then "-D${flag}=ON" else "-D${flag}=OFF";
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cmakeCommonFlags = [
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"-Wno-dev"
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(mkFlag custatsSupport "DETAILED_CU_STATS")
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(mkFlag debugSupport "CHECKED_BUILD")
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(mkFlag ppaSupport "ENABLE_PPA")
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(mkFlag vtuneSupport "ENABLE_VTUNE")
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(mkFlag werrorSupport "WARNINGS_AS_ERRORS")
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];
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cmakeStaticLibFlags = [
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"-DHIGH_BIT_DEPTH=ON"
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"-DENABLE_CLI=OFF"
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"-DENABLE_SHARED=OFF"
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"-DEXPORT_C_API=OFF"
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] ++ lib.optionals stdenv.hostPlatform.isPower [
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"-DENABLE_ALTIVEC=OFF" # https://bitbucket.org/multicoreware/x265_git/issues/320/fail-to-build-on-power8-le
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];
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in
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stdenv.mkDerivation rec {
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pname = "x265";
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version = "3.5";
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outputs = [ "out" "dev" ];
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# Check that x265Version.txt contains the expected version number
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# whether we fetch a source tarball or a tag from the git repo
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src = fetchurl {
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url = "https://bitbucket.org/multicoreware/x265_git/downloads/x265_${version}.tar.gz";
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hash = "sha256-5wozNcrKy7oLOiDsb+zWeDkyKI68gWOtdLzJYGR3yug=";
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};
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sourceRoot = "x265_${version}/source";
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patches = [
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# More aliases for ARM platforms + do not force CLFAGS for ARM :
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(fetchpatch {
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url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/x265/files/arm-r1.patch?id=1d1de341e1404a46b15ae3e84bc400d474cf1a2c";
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sha256 = "1hgzq5vxkwh0nyikxjfz8gz3jvx2nq3yy12mz3fn13qvzdlb5ilp";
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})
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# use proper check to avoid undefined symbols when enabling assembly on ARM :
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(fetchpatch {
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url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/x265/files/neon.patch?id=1d1de341e1404a46b15ae3e84bc400d474cf1a2c";
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sha256 = "1mmshpbyldrfqxfmdajqal4l647zvlrwdai8pxw99qg4v8gajfii";
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})
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# More complete PPC64 matches :
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(fetchpatch {
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url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/x265/files/x265-3.3-ppc64.patch?id=1d1de341e1404a46b15ae3e84bc400d474cf1a2c";
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sha256 = "1mvw678xfm0vr59n5jilq56qzcgk1gmcip2afyafkqiv21nbms8c";
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})
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# Namespace functions for multi-bitdepth builds so that libraries are self-contained (and tests succeeds) :
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(fetchpatch {
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url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/x265/files/test-ns.patch?id=1d1de341e1404a46b15ae3e84bc400d474cf1a2c";
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sha256 = "0zg3g53l07yh7ar5c241x50y5zp7g8nh8rh63ad4bdpchpc2f52d";
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})
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];
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postPatch = ''
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substituteInPlace cmake/Version.cmake \
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--replace "unknown" "${version}" \
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--replace "0.0" "${version}"
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'';
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nativeBuildInputs = [ cmake nasm ] ++ lib.optionals (numaSupport) [ numactl ];
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# Builds 10bits and 12bits static libs on the side if multi bit-depth is wanted
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# (we are in x265_<version>/source/build)
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preBuild = lib.optionalString (multibitdepthSupport) ''
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cmake -S ../ -B ../build-10bits ${toString cmakeCommonFlags} ${toString cmakeStaticLibFlags}
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make -C ../build-10bits -j $NIX_BUILD_CORES
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cmake -S ../ -B ../build-12bits ${toString cmakeCommonFlags} ${toString cmakeStaticLibFlags} -DMAIN12=ON
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make -C ../build-12bits -j $NIX_BUILD_CORES
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ln -s ../build-10bits/libx265.a ./libx265-10.a
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ln -s ../build-12bits/libx265.a ./libx265-12.a
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'';
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cmakeFlags = cmakeCommonFlags ++ [
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"-DGIT_ARCHETYPE=1" # https://bugs.gentoo.org/814116
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"-DENABLE_SHARED=ON"
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"-DHIGH_BIT_DEPTH=OFF"
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"-DENABLE_HDR10_PLUS=ON"
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] ++ [
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(mkFlag cliSupport "ENABLE_CLI")
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(mkFlag unittestsSupport "ENABLE_TESTS")
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] ++ lib.optionals (multibitdepthSupport) [
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"-DEXTRA_LIB=x265-10.a;x265-12.a"
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"-DEXTRA_LINK_FLAGS=-L."
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"-DLINKED_10BIT=ON"
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"-DLINKED_12BIT=ON"
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];
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doCheck = unittestsSupport;
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checkPhase = ''
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runHook preCheck
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./test/TestBench
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runHook postCheck
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'';
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postInstall = ''
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rm -f ${placeholder "out"}/lib/*.a
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'';
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meta = with lib; {
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description = "Library for encoding H.265/HEVC video streams";
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homepage = "https://www.x265.org/";
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changelog = "https://x265.readthedocs.io/en/master/releasenotes.html#version-${lib.strings.replaceStrings ["."] ["-"] version}";
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license = licenses.gpl2Plus;
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maintainers = with maintainers; [ codyopel ];
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platforms = platforms.all;
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};
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}
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