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90cd27e4a0
This builds the 10-bit and 12-bit versions of x265 as static
libraries, which then get linked into the 8-bit dynamic library and
executable. This causes x265 to default to 8-bit, but make 10- and
12-bit available to callers that use introspection, such as ffmpeg.
$ x265 -V
x265 [info]: HEVC encoder version 3.2
x265 [info]: build info [Linux][GCC 9.3.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
$ ffmpeg -h encoder=libx265
[...]
Supported pixel formats: yuv420p yuvj420p yuv422p yuvj422p yuv444p yuvj444p gbrp yuv420p10le yuv422p10le yuv444p10le gbrp10le yuv420p12le yuv422p12le yuv444p12le gbrp12le gray gray10le gray12le
Inspired by @codyopel's comment on #80405.
111 lines
3.1 KiB
Nix
111 lines
3.1 KiB
Nix
{ stdenv, fetchurl, fetchpatch, cmake, nasm, numactl
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, numaSupport ? stdenv.hostPlatform.isLinux && (stdenv.hostPlatform.isx86 || stdenv.hostPlatform.isAarch64) # Enabled by default on NUMA platforms
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, debugSupport ? false # Run-time sanity checks (debugging)
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, werrorSupport ? false # Warnings as errors
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, ppaSupport ? false # PPA profiling instrumentation
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, vtuneSupport ? false # Vtune profiling instrumentation
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, custatsSupport ? false # Internal profiling of encoder work
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, cliSupport ? true # Build standalone CLI application
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, unittestsSupport ? false # Unit tests
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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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inherit (stdenv) is64bit;
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cmakeFlagsAll = [
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"-DSTATIC_LINK_CRT=OFF"
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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 custatsSupport "DETAILED_CU_STATS")
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(mkFlag unittestsSupport "ENABLE_TESTS")
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(mkFlag werrorSupport "WARNINGS_AS_ERRORS")
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];
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version = "3.2";
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src = fetchurl {
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urls = [
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"https://get.videolan.org/x265/x265_${version}.tar.gz"
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"ftp://ftp.videolan.org/pub/videolan/x265/x265_${version}.tar.gz"
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];
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sha256 = "0fqkhfhr22gzavxn60cpnj3agwdf5afivszxf3haj5k1sny7jk9n";
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};
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patches = [
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# Fix build on ARM (#406)
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(fetchpatch {
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url = "https://bitbucket.org/multicoreware/x265/issues/attachments/406/multicoreware/x265/1527562952.26/406/X265-2.8-asm-primitives.patch";
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sha256 = "1vf8bpl37gbd9dcbassgkq9i0rp24qm3bl6hx9zv325174bn402v";
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})
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];
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buildLib = has12Bit: stdenv.mkDerivation rec {
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name = "libx265-${if has12Bit then "12" else "10"}-${version}";
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inherit src patches;
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enableParallelBuilding = true;
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postPatch = ''
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sed -i 's/unknown/${version}/g' source/cmake/version.cmake
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'';
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cmakeLibFlags = [
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"-DENABLE_CLI=OFF"
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"-DENABLE_SHARED=OFF"
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"-DENABLE_HDR10_PLUS=ON"
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"-DEXPORT_C_API=OFF"
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"-DHIGH_BIT_DEPTH=ON"
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];
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cmakeFlags = [(mkFlag has12Bit "MAIN12")] ++ cmakeLibFlags ++ cmakeFlagsAll;
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preConfigure = ''
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cd source
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'';
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nativeBuildInputs = [cmake nasm] ++ stdenv.lib.optional numaSupport numactl;
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};
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libx265-10 = buildLib false;
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libx265-12 = buildLib true;
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in
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stdenv.mkDerivation rec {
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pname = "x265";
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inherit version src patches;
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enableParallelBuilding = true;
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postPatch = ''
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sed -i 's/unknown/${version}/g' source/cmake/version.cmake
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'';
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cmakeFlags = [
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"-DENABLE_SHARED=ON"
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"-DHIGH_BIT_DEPTH=OFF"
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"-DENABLE_HDR10_PLUS=OFF"
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"-DEXTRA_LIB=${libx265-10}/lib/libx265.a;${libx265-12}/lib/libx265.a"
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"-DLINKED_10BIT=ON"
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"-DLINKED_12BIT=ON"
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(mkFlag cliSupport "ENABLE_CLI")
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] ++ cmakeFlagsAll;
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preConfigure = ''
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cd source
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'';
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postInstall = ''
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rm $out/lib/*.a
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'';
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nativeBuildInputs = [ cmake nasm ] ++ stdenv.lib.optional numaSupport numactl;
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meta = with stdenv.lib; {
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description = "Library for encoding h.265/HEVC video streams";
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homepage = "http://x265.org";
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license = licenses.gpl2;
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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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