ffmpeg av1 funni

ffmpeg-av1.nix

{system ? "x86_64-linux", ...}: let
  nixpkgs = builtins.getFlake "nixpkgs/3e52e76b70d5508f3cec70b882a29199f4d1ee85";

  pkgs = nixpkgs.legacyPackages.${system};
in
  pkgs.callPackage ({
    ffmpeg_6-full,
    fetchFromGitHub,
  }:
    ffmpeg_6-full.overrideAttrs (prev: {
      pname = "ffmpeg-cartwheel";
      version = "unstable-2023-09-01";

      src = fetchFromGitHub {
        owner = "intel";
        repo = "cartwheel-ffmpeg";
        rev = "0c41617fb498fdc64a903c6a13976d9d302c429c";
        hash = "sha256-6FIgL3BgGaM2CLy3QKIaYEjGsL70s/CaEYXU/5Aj/Vs=";
        fetchSubmodules = true;
      };

      sourceRoot = "source/ffmpeg";

      patches = builtins.filter (v: v ? name && v.name != "fix_aacps_tablegen") prev.patches;

      postPatch =
        prev.postPatch
        + ''
          # workaround current patch
          substituteInPlace libavutil/hwcontext_vulkan.c \
            --replace VK_KHR_VIDEO_DECODE VK_EXT_VIDEO_DECODE
          for patch in ../patches/*.patch; do patch -p1 < "$patch"; done
        '';
    })) {}