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-rw-r--r--nixpkgs/pkgs/development/libraries/webrtc-audio-processing/0.3.nix26
-rw-r--r--nixpkgs/pkgs/development/libraries/webrtc-audio-processing/default.nix43
-rw-r--r--nixpkgs/pkgs/development/libraries/webrtc-audio-processing/enable-riscv.patch18
3 files changed, 87 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/0.3.nix b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/0.3.nix
new file mode 100644
index 000000000000..1ce3c2d9fa8b
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/0.3.nix
@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl, darwin }:
+
+stdenv.mkDerivation rec {
+  pname = "webrtc-audio-processing";
+  version = "0.3.1";
+
+  src = fetchurl {
+    url = "https://freedesktop.org/software/pulseaudio/webrtc-audio-processing/webrtc-audio-processing-${version}.tar.xz";
+    sha256 = "1gsx7k77blfy171b6g3m0k0s0072v6jcawhmx1kjs9w5zlwdkzd0";
+  };
+
+  patches = [ ./enable-riscv.patch ];
+
+  buildInputs = lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [ ApplicationServices ]);
+
+  patchPhase = lib.optionalString stdenv.hostPlatform.isMusl ''
+    substituteInPlace webrtc/base/checks.cc --replace 'defined(__UCLIBC__)' 1
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing";
+    description = "A more Linux packaging friendly copy of the AudioProcessing module from the WebRTC project";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/default.nix b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/default.nix
new file mode 100644
index 000000000000..5a53564603d8
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/default.nix
@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchurl
+, darwin
+, abseil-cpp_202111
+, meson
+, ninja
+}:
+
+stdenv.mkDerivation rec {
+  pname = "webrtc-audio-processing";
+  version = "1.0";
+
+  src = fetchurl {
+    url = "https://gitlab.freedesktop.org/pulseaudio/webrtc-audio-processing/-/archive/v1.0/webrtc-audio-processing-v${version}.tar.gz";
+    sha256 = "sha256-dqRy1OfOG9TX2cgCD8cowU44zVanns/nPYZrilPfuiU=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+  ];
+
+  buildInputs = [
+    abseil-cpp_202111
+  ] ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [ ApplicationServices ]);
+
+  patchPhase = ''
+    # this is just incorrect upstream
+    # see https://gitlab.freedesktop.org/pulseaudio/webrtc-audio-processing/-/issues/4
+    substituteInPlace meson.build \
+      --replace "absl_flags_registry" "absl_flags_reflection"
+    '' + lib.optionalString stdenv.hostPlatform.isMusl ''
+    substituteInPlace webrtc/base/checks.cc --replace 'defined(__UCLIBC__)' 1
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing";
+    description = "A more Linux packaging friendly copy of the AudioProcessing module from the WebRTC project";
+    license = licenses.bsd3;
+    # attempts to inline 256bit AVX instructions on x86
+    # https://gitlab.freedesktop.org/pulseaudio/webrtc-audio-processing/-/issues/5
+    platforms = lib.lists.subtractLists platforms.i686 platforms.unix;
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/enable-riscv.patch b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/enable-riscv.patch
new file mode 100644
index 000000000000..d61c33548a73
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/webrtc-audio-processing/enable-riscv.patch
@@ -0,0 +1,18 @@
+diff --git a/webrtc/typedefs.h b/webrtc/typedefs.h
+index d875490..ce1f3e8 100644
+--- a/webrtc/typedefs.h
++++ b/webrtc/typedefs.h
+@@ -26,6 +26,13 @@
+ #elif defined(__aarch64__)
+ #define WEBRTC_ARCH_64_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
++#elif defined(__riscv) || defined(__riscv__)
++#define WEBRTC_ARCH_LITTLE_ENDIAN
++#if __riscv_xlen == 64
++#define WEBRTC_ARCH_64_BITS
++#else
++#define WEBRTC_ARCH_32_BITS
++#endif
+ #elif defined(_M_IX86) || defined(__i386__)
+ #define WEBRTC_ARCH_X86_FAMILY
+ #define WEBRTC_ARCH_X86