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-rw-r--r--nixpkgs/pkgs/development/libraries/ffms/default.nix7
1 files changed, 7 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/ffms/default.nix b/nixpkgs/pkgs/development/libraries/ffms/default.nix
index 8a5a9705cb22..1ad861fc63d8 100644
--- a/nixpkgs/pkgs/development/libraries/ffms/default.nix
+++ b/nixpkgs/pkgs/development/libraries/ffms/default.nix
@@ -16,6 +16,13 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ zlib ffmpeg ];
 
+  # ffms includes a built-in vapoursynth plugin, see:
+  # https://github.com/FFMS/ffms2#avisynth-and-vapoursynth-plugin
+  postInstall = ''
+    mkdir $out/lib/vapoursynth
+    ln -s $out/lib/libffms2.so $out/lib/vapoursynth/libffms2.so
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://github.com/FFMS/ffms2/;
     description = "Libav/ffmpeg based source library for easy frame accurate access";