diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index d2ef075beee1..6bf7d0f68f83 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -25,7 +25,6 @@
 , ffmpegProgram ? true # Build ffmpeg executable
 , ffplayProgram ? true # Build ffplay executable
 , ffprobeProgram ? true # Build ffprobe executable
-, ffserverProgram ? true # Build ffserver executable
 , qtFaststartProgram ? true # Build qt-faststart executable
 /*
  *  Library options
@@ -98,13 +97,14 @@
 , libXv ? null # Xlib support
 , lzma ? null # xz-utils
 , nvenc ? false, nvidia-video-sdk ? null # NVIDIA NVENC support
+, callPackage # needed for NVENC to access external ffmpeg nvidia headers
 , openal ? null # OpenAL 1.1 capture support
 #, opencl ? null # OpenCL code
 , opencore-amr ? null # AMR-NB de/encoder & AMR-WB decoder
 #, opencv ? null # Video filtering
 , openglExtlib ? false, libGLU_combined ? null # OpenGL rendering
 #, openh264 ? null # H.264/AVC encoder
-, openjpeg_1 ? null # JPEG 2000 de/encoder
+, openjpeg ? null # JPEG 2000 de/encoder
 , opensslExtlib ? false, openssl ? null
 , libpulseaudio ? null # Pulseaudio input support
 , rtmpdump ? null # RTMP[E] support
@@ -159,7 +159,7 @@
  *   utvideo vo-aacenc vo-amrwbenc xvmc zvbi blackmagic-design-desktop-video
  *
  * Need fixes to support Darwin:
- *   frei0r, game-music-emu, gsm, libjack2, libssh, libvpx(stable 1.3.0), openal, openjpeg_1,
+ *   frei0r, game-music-emu, gsm, libjack2, libssh, libvpx(stable 1.3.0), openal, openjpeg,
  *   pulseaudio, rtmpdump, samba, vid-stab, wavpack, x265. xavs
  *
  * Not supported:
@@ -176,6 +176,8 @@
 let
   inherit (stdenv) isCygwin isFreeBSD isLinux;
   inherit (stdenv.lib) optional optionals optionalString enableFeature;
+
+  nv-codec-headers = callPackage ./nv-codec-headers.nix { };
 in
 
 /*
@@ -201,7 +203,6 @@ assert ffplayProgram -> avcodecLibrary
                      && swresampleLibrary
                      && SDL2 != null;
 assert ffprobeProgram -> avcodecLibrary && avformatLibrary;
-assert ffserverProgram -> avformatLibrary;
 /*
  *  Library dependencies
  */
@@ -231,11 +232,11 @@ assert nvenc -> nvidia-video-sdk != null && nonfreeLicensing;
 
 stdenv.mkDerivation rec {
   name = "ffmpeg-full-${version}";
-  version = "3.4.2";
+  version = "4.0";
 
   src = fetchurl {
     url = "https://www.ffmpeg.org/releases/ffmpeg-${version}.tar.xz";
-    sha256 = "0h6prjn1ijkzzhkyj8mazp0wpx7m0n9ycadjxagf9czqirbyk4ib";
+    sha256 = "0gx4ngnhi5glmxh38603qy5n6vq8bl1cr4sqd1xff95i82pmv57d";
   };
 
   prePatch = ''
@@ -286,7 +287,6 @@ stdenv.mkDerivation rec {
     (enableFeature ffmpegProgram "ffmpeg")
     (enableFeature ffplayProgram "ffplay")
     (enableFeature ffprobeProgram "ffprobe")
-    (enableFeature ffserverProgram "ffserver")
     /*
      *  Library flags
      */
@@ -365,7 +365,7 @@ stdenv.mkDerivation rec {
     #(enableFeature (opencv != null) "libopencv")
     (enableFeature openglExtlib "opengl")
     #(enableFeature (openh264 != null) "openh264")
-    (enableFeature (openjpeg_1 != null) "libopenjpeg")
+    (enableFeature (openjpeg != null) "libopenjpeg")
     (enableFeature (opensslExtlib && gplLicensing) "openssl")
     (enableFeature (libpulseaudio != null) "libpulse")
     #(enableFeature quvi "libquvi")
@@ -404,14 +404,14 @@ stdenv.mkDerivation rec {
     bzip2 celt fontconfig freetype frei0r fribidi game-music-emu gnutls gsm
     libjack2 ladspaH lame libass libbluray libbs2b libcaca libdc1394 libmodplug
     libogg libopus libssh libtheora libvdpau libvorbis libvpx libwebp libX11
-    libxcb libXv lzma openal openjpeg_1 libpulseaudio rtmpdump opencore-amr
+    libxcb libXv lzma openal openjpeg libpulseaudio rtmpdump opencore-amr
     samba SDL2 soxr speex vid-stab vo-amrwbenc wavpack x264 x265 xavs xvidcore
     zeromq4 zlib
   ] ++ optional openglExtlib libGLU_combined
     ++ optionals nonfreeLicensing [ fdk_aac openssl ]
     ++ optional ((isLinux || isFreeBSD) && libva != null) libva
     ++ optionals isLinux [ alsaLib libraw1394 libv4l ]
-    ++ optionals nvenc [ nvidia-video-sdk ]
+    ++ optionals nvenc [ nvidia-video-sdk nv-codec-headers ]
     ++ optionals stdenv.isDarwin [ Cocoa CoreServices CoreAudio AVFoundation
                                    MediaToolbox VideoDecodeAcceleration
                                    libiconv ];
diff --git a/pkgs/development/libraries/ffmpeg-full/nv-codec-headers.nix b/pkgs/development/libraries/ffmpeg-full/nv-codec-headers.nix
new file mode 100644
index 000000000000..03599c91bf04
--- /dev/null
+++ b/pkgs/development/libraries/ffmpeg-full/nv-codec-headers.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchgit }:
+
+stdenv.mkDerivation rec {
+  name = "nv-codec-headers-${version}";
+  version = "n8.1.24.2";
+
+  src = fetchgit {
+    url = "https://git.videolan.org/git/ffmpeg/nv-codec-headers.git";
+    rev = "${version}";
+    sha256 = "122i3f6whiz5yp44dhk73ifr1973z8vvfbg4216vb782bl8b5bam";
+  };
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  meta = {
+    description = "ffmpeg nvidia headers for NVENC";
+    homepage = http://ffmpeg.org/;
+    license = stdenv.lib.licenses.gpl3Plus;
+    maintainers = [ stdenv.lib.maintainers.MP2E ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}
diff --git a/pkgs/development/libraries/ffmpeg/4.0.nix b/pkgs/development/libraries/ffmpeg/4.0.nix
new file mode 100644
index 000000000000..a6e67052cd03
--- /dev/null
+++ b/pkgs/development/libraries/ffmpeg/4.0.nix
@@ -0,0 +1,12 @@
+{ stdenv, callPackage, fetchpatch
+# Darwin frameworks
+, Cocoa, CoreMedia
+, ...
+}@args:
+
+callPackage ./generic.nix (args // rec {
+  version = "${branch}";
+  branch = "4.0";
+  sha256 = "1f3k8nz5ag6szsfhlrz66qm8s1yxk1vphqvcfr4ps4690vckk2ii";
+  darwinFrameworks = [ Cocoa CoreMedia ];
+})