From db2143289c05438491a581cf61e433a0a6309abb Mon Sep 17 00:00:00 2001
From: Andrea Ciceri <andrea.ciceri@autistici.org>
Date: Mon, 10 Mar 2025 19:02:08 +0100
Subject: [PATCH] Package `ffmpeg-rockchip`

---
 packages/ffmpeg-rockchip/default.nix | 149 +++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 packages/ffmpeg-rockchip/default.nix

diff --git a/packages/ffmpeg-rockchip/default.nix b/packages/ffmpeg-rockchip/default.nix
new file mode 100644
index 0000000..ed2f637
--- /dev/null
+++ b/packages/ffmpeg-rockchip/default.nix
@@ -0,0 +1,149 @@
+# Stolen from https://github.com/nyanmisaka/ffmpeg-rockchip
+
+{
+  ffmpeg-full,
+  fetchFromGitHub,
+  lib,
+  fetchpatch2,
+  gmp,
+  amf-headers,
+  libiec61883,
+  libavc1394,
+  meson,
+  ninja,
+  stdenv,
+  fetchurl,
+  cmake,
+  ...
+}:
+
+let
+  ffmpeg-rockchip-version = "7.1";
+
+  rga_commit = "d7a0a485ed6c201f882c20b3a8881e801f131385";
+  librga-multi = stdenv.mkDerivation {
+    pname = "librga-multi";
+    version = "1.10.0";
+
+    src = fetchurl {
+      url = "https://github.com/JeffyCN/mirrors/archive/${rga_commit}.tar.gz";
+      hash = "sha256-WjNxVfLVW8axEvNmIJ0+OCeboG4LiGWwJy6fW5Mkm5Y=";
+    };
+
+    # In Nixpkgs, meson comes with a setup hook that overrides the configure, check, and install phases.
+    # https://nixos.org/manual/nixpkgs/stable/#meson
+    nativeBuildInputs = [
+      meson
+      ninja
+    ];
+
+    patches = [
+      (fetchpatch2 {
+        name = "normalrga-cpp-add-10b-compact-endian-mode.patch";
+        url = "https://raw.githubusercontent.com/7Ji-PKGBUILDs/librga-multi/615fb730b7656ad4a0cb169bfa9a52336820f99f/normalrga-cpp-add-10b-compact-endian-mode.patch";
+        hash = "sha256-JvKZCBjWtkEsfx1Xsnysw9PjC3/60f1ni10tmR8fTHQ=";
+      })
+    ];
+
+    meta = with lib; {
+      description = "Rockchip RGA User-Space Library";
+      license = licenses.asl20;
+    };
+  };
+
+  mpp = stdenv.mkDerivation {
+    pname = "mpp";
+    version = "1.0.8";
+
+    src = fetchFromGitHub {
+      owner = "rockchip-linux";
+      repo = "mpp";
+      rev = "1.0.8";
+      hash = "sha256-y1vWGz7VjwL02klPQWwoIh5ExpvS/vsDUHcMtMznVcI=";
+    };
+
+    nativeBuildInputs = [ cmake ];
+
+    configurePhase = ''
+      cmake -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$out
+    '';
+
+    buildPhase = ''
+      cmake --build build
+    '';
+
+    installPhase = ''
+      cmake --install build
+    '';
+
+    meta = with lib; {
+      description = "Media Process Platform (MPP)";
+      homepage = "https://github.com/rockchip-linux/mpp";
+      license = licenses.asl20;
+    };
+  };
+in
+
+(ffmpeg-full.override {
+  version = ffmpeg-rockchip-version; # Important! This sets the ABI.
+  source = fetchFromGitHub {
+    owner = "nyanmisaka";
+    repo = "ffmpeg-rockchip";
+    rev = "f5c7e0d63b52b4526b4251e2fcb2071f73367ed6";
+    hash = "sha256-JM/YCvXS49jYz4oF0Ux/aGzrRzKHrD8N/Xm99gXLcqg=";
+  };
+  withVulkan = false;
+}).overrideAttrs
+  (old: {
+    pname = "ffmpeg-rockchip";
+
+    patches = [ ];
+    # patches = old.patches ++ [
+    # (fetchpatch2
+    #   {
+    #     name = "add-av_stream_get_first_dts-for-chromium";
+    #     url = "https://raw.githubusercontent.com/7Ji-PKGBUILDs/ffmpeg-mpp-git/b32080c1992313df0e543440c6d70d351120fa36/add-av_stream_get_first_dts-for-chromium.patch";
+    #     hash = "sha256-DbH6ieJwDwTjKOdQ04xvRcSLeeLP2Z2qEmqeo8HsPr4=";
+    #   }
+    # )
+    # (fetchpatch2
+    #   {
+    #     name = "flvdec-handle-unknown";
+    #     url = "https://raw.githubusercontent.com/obsproject/obs-deps/faa110d336922831b5cdc261a9559e3a2dd5db3c/deps.ffmpeg/patches/FFmpeg/0001-flvdec-handle-unknown.patch";
+    #     hash = "sha256-WlGF9Uy89GcnY8zmh9G23bZiVJtpY32oJiec5Hl/V+8=";
+    #   }
+    # )
+    # (fetchpatch2
+    #   {
+    #     name = "libaomenc-presets";
+    #     url = "https://raw.githubusercontent.com/obsproject/obs-deps/faa110d336922831b5cdc261a9559e3a2dd5db3c/deps.ffmpeg/patches/FFmpeg/0002-libaomenc-presets.patch";
+    #     hash = "sha256-1fFBDvsx/jHo6QXsPxDMt4Qd1VlMs1kcOyBedyMv0YM=";
+    #   }
+    # )
+    # ];
+
+    configureFlags = old.configureFlags ++ [
+      "--extra-version=rockchip"
+      "--enable-gpl"
+      "--enable-version3"
+      "--enable-libdrm"
+      "--enable-rkmpp"
+      "--enable-rkrga"
+    ];
+
+    doCheck = false; # TODO remove (used to get faster builds)
+
+    buildInputs = old.buildInputs ++ [
+      gmp
+      amf-headers
+      libiec61883
+      libavc1394
+      mpp
+      librga-multi
+    ];
+
+    meta = with lib; {
+      homepage = "https://github.com/nyanmisaka/ffmpeg-rockchip";
+      license = licenses.gpl3;
+    };
+  })