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10.rebuild-darwin: 101-500
| , numaSupport ? stdenv.hostPlatform.isLinux && (stdenv.hostPlatform.isx86 || stdenv.hostPlatform.isAarch64) # Enabled by default on NUMA platforms | ||
| , debugSupport ? false # Run-time sanity checks (debugging) | ||
| , highbitdepthSupport ? false # false=8bits per channel, true=10/12bits per channel | ||
| , highbitdepthSupport ? true # false=8bits per channel, true=10/12bits per channel |
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10-bit video is widely available, and I don't see the downside of enabling this by default? Without this as the default it's pretty annoying to get an ffmpeg that can transcode HDR stuff.
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Sure, but do it in a separate commit. It's not needed for the update.
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cc @codyopel |
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@titanous @FRidh https://github.com/triton/triton/blob/master/pkgs/all-pkgs/x/x265/default.nix |
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.
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2.status: stale
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superseded by #98091 |
4 participants
Motivation for this change
Things done
sandboxinnix.confon non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"./result/bin/)nix path-info -Sbefore and after)