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839d828b9c
None of these packages use a compiler, except for alsa-firmware, which has the appropriate compiler in depsBuildBuild already. Tested by building a NixOS system with hardware.enableAllFirmware = true.
63 lines
1.9 KiB
Nix
63 lines
1.9 KiB
Nix
{ lib, stdenvNoCC, fetchurl, unrar-wrapper, pkgs }:
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let
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version = "5.1.5769";
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# Described on https://github.com/patjak/facetimehd/wiki/Extracting-the-sensor-calibration-files
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# From the wiki page, range extracted with binwalk:
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zipUrl = "https://download.info.apple.com/Mac_OS_X/031-30890-20150812-ea191174-4130-11e5-a125-930911ba098f/bootcamp${version}.zip";
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zipRange = "2338085-3492508"; # the whole download is 518MB, this deflate stream is 1.2MB
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# CRC and length from the ZIP entry header (not strictly necessary, but makes it extract cleanly):
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gzFooter = ''\x51\x1f\x86\x78\xcf\x5b\x12\x00'';
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# Also from the wiki page:
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calibrationFiles = [
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{ file = "1771_01XX.dat"; offset = "1644880"; size = "19040"; }
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{ file = "1871_01XX.dat"; offset = "1606800"; size = "19040"; }
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{ file = "1874_01XX.dat"; offset = "1625840"; size = "19040"; }
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{ file = "9112_01XX.dat"; offset = "1663920"; size = "33060"; }
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];
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in
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stdenvNoCC.mkDerivation {
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pname = "facetimehd-calibration";
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inherit version;
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src = fetchurl {
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url = zipUrl;
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sha256 = "1dzyv457fp6d8ly29sivqn6llwj5ydygx7p8kzvdnsp11zvid2xi";
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curlOpts = "-r ${zipRange}";
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};
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dontUnpack = true;
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dontInstall = true;
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buildInputs = [ unrar-wrapper ];
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buildPhase = ''
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{ printf '\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\x00'
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cat $src
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printf '${gzFooter}'
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} | zcat > AppleCamera64.exe
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unrar x AppleCamera64.exe AppleCamera.sys
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mkdir -p $out/lib/firmware/facetimehd
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'' + lib.concatMapStrings ({file, offset, size}: ''
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dd bs=1 skip=${offset} count=${size} if=AppleCamera.sys of=$out/lib/firmware/facetimehd/${file}
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'') calibrationFiles;
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meta = with lib; {
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description = "facetimehd calibration";
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homepage = "https://support.apple.com/kb/DL1837";
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license = licenses.unfree;
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maintainers = with maintainers; [ alexshpilkin womfoo grahamc ];
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platforms = [ "i686-linux" "x86_64-linux" ];
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};
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}
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