treewide: use ffmpeg_3 explicitly if not wanted otherwise

After making `ffmpeg` point to the latest `ffmpeg_4`, all packages that
used `ffmpeg` without requiring a specific version now use ffmpeg_3
explicitly so they shouldn't change.

35 files changed, 68 insertions, 68 deletions

diff --git a/pkgs/development/compilers/graalvm/enterprise-edition.nix b/pkgs/development/compilers/graalvm/enterprise-edition.nix
index 5a6c965076492..89896c556efae 100644
--- a/pkgs/development/compilers/graalvm/enterprise-edition.nix
+++ b/pkgs/development/compilers/graalvm/enterprise-edition.nix
@@ -1,4 +1,4 @@
-{ stdenv, requireFile, perl, unzip, glibc, zlib, bzip2, gdk-pixbuf, xorg, glib, fontconfig, freetype, cairo, pango, gtk3, gtk2, ffmpeg, libGL, atk, alsaLib, libav_0_8, setJavaClassPath }:
+{ stdenv, requireFile, perl, unzip, glibc, zlib, bzip2, gdk-pixbuf, xorg, glib, fontconfig, freetype, cairo, pango, gtk3, gtk2, ffmpeg_3, libGL, atk, alsaLib, libav_0_8, setJavaClassPath }:
 
 let
   common = javaVersion:
@@ -117,7 +117,7 @@ let
                     }.${javaVersion}
                  }:${
             stdenv.lib.strings.makeLibraryPath [ glibc xorg.libXxf86vm xorg.libX11 xorg.libXext xorg.libXtst xorg.libXi xorg.libXrender
-                                                 glib zlib bzip2 alsaLib fontconfig freetype pango gtk3 gtk2 cairo gdk-pixbuf atk ffmpeg libGL ]}"
+                                                 glib zlib bzip2 alsaLib fontconfig freetype pango gtk3 gtk2 cairo gdk-pixbuf atk ffmpeg_3 libGL ]}"
 
           for f in $(find $out -type f -perm -0100); do
             patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$f" || true
diff --git a/pkgs/development/compilers/openjdk/openjfx/11.nix b/pkgs/development/compilers/openjdk/openjfx/11.nix
index 7ba04ed50cc01..adb564f7cfee1 100644
--- a/pkgs/development/compilers/openjdk/openjfx/11.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/11.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl, writeText, gradleGen, pkgconfig, perl, cmake
-, gperf, gtk2, gtk3, libXtst, libXxf86vm, glib, alsaLib, ffmpeg, python, ruby
+, gperf, gtk2, gtk3, libXtst, libXxf86vm, glib, alsaLib, ffmpeg_3, python, ruby
 , openjdk11-bootstrap }:
 
 let
@@ -19,7 +19,7 @@ let
       sha256 = "1h7qsylr7rnwnbimqjyn3whszp9kv4h3gpicsrb3mradxc9yv194";
     };
 
-    buildInputs = [ gtk2 gtk3 libXtst libXxf86vm glib alsaLib ffmpeg ];
+    buildInputs = [ gtk2 gtk3 libXtst libXxf86vm glib alsaLib ffmpeg_3 ];
     nativeBuildInputs = [ gradle_ perl pkgconfig cmake gperf python ruby ];
 
     dontUseCmakeConfigure = true;
diff --git a/pkgs/development/compilers/openjdk/openjfx/14.nix b/pkgs/development/compilers/openjdk/openjfx/14.nix
index 12d9448595e38..04bb1fa562743 100644
--- a/pkgs/development/compilers/openjdk/openjfx/14.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/14.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, fetchFromGitHub, writeText, openjdk11_headless, gradleGen
 , pkgconfig, perl, cmake, gperf, gtk2, gtk3, libXtst, libXxf86vm, glib, alsaLib
-, ffmpeg, python, ruby }:
+, ffmpeg_3, python, ruby }:
 
 let
   major = "14";
@@ -21,7 +21,7 @@ let
       sha256 = "16aj15xksc266gv3y42m0g277pfvp71901lrngndcnpr7i2zshnr";
     };
 
-    buildInputs = [ gtk2 gtk3 libXtst libXxf86vm glib alsaLib ffmpeg ];
+    buildInputs = [ gtk2 gtk3 libXtst libXxf86vm glib alsaLib ffmpeg_3 ];
     nativeBuildInputs = [ gradle_ perl pkgconfig cmake gperf python ruby ];
 
     dontUseCmakeConfigure = true;
diff --git a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
index 092af49a9f8bf..78fff4a59fba7 100644
--- a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
+++ b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
@@ -19,7 +19,7 @@
 , glib
 , libxml2
 , libav_0_8
-, ffmpeg
+, ffmpeg_3
 , libxslt
 , libGL
 , freetype
@@ -171,7 +171,7 @@ let result = stdenv.mkDerivation rec {
    * libXt is only needed on amd64
    */
   libraries =
-    [stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg libxslt libGL xorg.libXxf86vm alsaLib fontconfig freetype pango gtk2 cairo gdk-pixbuf atk] ++
+    [stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg_3 libxslt libGL xorg.libXxf86vm alsaLib fontconfig freetype pango gtk2 cairo gdk-pixbuf atk] ++
     (if swingSupport then [xorg.libX11 xorg.libXext xorg.libXtst xorg.libXi xorg.libXp xorg.libXt xorg.libXrender stdenv.cc.cc] else []);
 
   rpath = stdenv.lib.strings.makeLibraryPath libraries;
diff --git a/pkgs/development/compilers/zulu/8.nix b/pkgs/development/compilers/zulu/8.nix
index ed3d67ff86219..e48fee0a6a59e 100644
--- a/pkgs/development/compilers/zulu/8.nix
+++ b/pkgs/development/compilers/zulu/8.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl, unzip, makeWrapper, setJavaClassPath
-, zulu, glib, libxml2, libav_0_8, ffmpeg, libxslt, libGL, alsaLib
+, zulu, glib, libxml2, libav_0_8, ffmpeg_3, libxslt, libGL, alsaLib
 , fontconfig, freetype, gnome2, cairo, gdk-pixbuf, atk, xorg
 , swingSupport ? true }:
 
@@ -15,7 +15,7 @@ let
   extension = if stdenv.isDarwin then "zip" else "tar.gz";
 
   libraries = [
-    stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg libxslt libGL
+    stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg_3 libxslt libGL
     xorg.libXxf86vm alsaLib fontconfig freetype gnome2.pango
     gnome2.gtk cairo gdk-pixbuf atk
   ] ++ (lib.optionals swingSupport (with xorg; [
diff --git a/pkgs/development/compilers/zulu/default.nix b/pkgs/development/compilers/zulu/default.nix
index d13e574a81a14..bfaa4c777b327 100644
--- a/pkgs/development/compilers/zulu/default.nix
+++ b/pkgs/development/compilers/zulu/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl, unzip, makeWrapper, setJavaClassPath
-, zulu, glib, libxml2, libav_0_8, ffmpeg, libxslt, libGL, alsaLib
+, zulu, glib, libxml2, libav_0_8, ffmpeg_3, libxslt, libGL, alsaLib
 , fontconfig, freetype, gnome2, cairo, gdk-pixbuf, atk, xorg, zlib
 , swingSupport ? true }:
 
@@ -15,7 +15,7 @@ let
   extension = if stdenv.isDarwin then "zip" else "tar.gz";
 
   libraries = [
-    stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg libxslt libGL
+    stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg_3 libxslt libGL
     xorg.libXxf86vm alsaLib fontconfig freetype gnome2.pango
     gnome2.gtk cairo gdk-pixbuf atk zlib
   ] ++ (lib.optionals swingSupport (with xorg; [
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 472b1fc75691b..ec14c565b74ea 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -724,7 +724,7 @@ self: super: builtins.intersectAttrs super {
   dhall_1_32_0 = dontCheck super.dhall_1_32_0;
 
   cut-the-crap =
-    let path = pkgs.stdenv.lib.makeBinPath [ pkgs.ffmpeg ];
+    let path = pkgs.stdenv.lib.makeBinPath [ pkgs.ffmpeg_3 ];
     in overrideCabal (addBuildTool super.cut-the-crap pkgs.makeWrapper) (_drv: {
       postInstall = ''
         wrapProgram $out/bin/cut-the-crap \
diff --git a/pkgs/development/interpreters/renpy/default.nix b/pkgs/development/interpreters/renpy/default.nix
index d09d150bd79cf..41cf4c221c6a1 100644
--- a/pkgs/development/interpreters/renpy/default.nix
+++ b/pkgs/development/interpreters/renpy/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, python2Packages, pkgconfig, SDL2
-, libpng, ffmpeg, freetype, glew, libGL, libGLU, fribidi, zlib
+, libpng, ffmpeg_3, freetype, glew, libGL, libGLU, fribidi, zlib
 , glib
 }:
 
@@ -32,13 +32,13 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [
     python cython wrapPython tkinter
-    SDL2 libpng ffmpeg freetype glew libGLU libGL fribidi zlib pygame_sdl2 glib
+    SDL2 libpng ffmpeg_3 freetype glew libGLU libGL fribidi zlib pygame_sdl2 glib
   ];
 
   pythonPath = [ pygame_sdl2 tkinter ];
 
   RENPY_DEPS_INSTALL = stdenv.lib.concatStringsSep "::" (map (path: path) [
-    SDL2 SDL2.dev libpng ffmpeg ffmpeg.out freetype glew.dev glew.out libGLU libGL fribidi zlib
+    SDL2 SDL2.dev libpng ffmpeg_3 ffmpeg_3.out freetype glew.dev glew.out libGLU libGL fribidi zlib
   ]);
 
   buildPhase = ''
diff --git a/pkgs/development/libraries/chromaprint/default.nix b/pkgs/development/libraries/chromaprint/default.nix
index 4702d67a01f2c..9da5a80f62057 100644
--- a/pkgs/development/libraries/chromaprint/default.nix
+++ b/pkgs/development/libraries/chromaprint/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, boost, ffmpeg }:
+{ stdenv, fetchurl, cmake, boost, ffmpeg_3 }:
 
 stdenv.mkDerivation rec {
   pname = "chromaprint";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ boost ffmpeg ];
+  buildInputs = [ boost ffmpeg_3 ];
 
   cmakeFlags = [ "-DBUILD_EXAMPLES=ON" "-DBUILD_TOOLS=ON" ];
 
diff --git a/pkgs/development/libraries/ffmpegthumbnailer/default.nix b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
index 82a30337348ac..4e3c10e8829d2 100644
--- a/pkgs/development/libraries/ffmpegthumbnailer/default.nix
+++ b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, stdenv, ffmpeg, cmake, libpng, pkgconfig, libjpeg
+{ fetchFromGitHub, stdenv, ffmpeg_3, cmake, libpng, pkgconfig, libjpeg
 }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ cmake pkgconfig ];
-  buildInputs = [ ffmpeg libpng libjpeg ];
+  buildInputs = [ ffmpeg_3 libpng libjpeg ];
 
   meta = with stdenv.lib;  {
     homepage = "https://github.com/dirkvdb/ffmpegthumbnailer";
diff --git a/pkgs/development/libraries/ffms/default.nix b/pkgs/development/libraries/ffms/default.nix
index 5a87402e0d922..ebbced19eb8ea 100644
--- a/pkgs/development/libraries/ffms/default.nix
+++ b/pkgs/development/libraries/ffms/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, zlib, ffmpeg, pkgconfig }:
+{ stdenv, fetchFromGitHub, zlib, ffmpeg_3, pkgconfig }:
 
 stdenv.mkDerivation rec {
   pname = "ffms";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-fPIC";
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ zlib ffmpeg ];
+  buildInputs = [ zlib ffmpeg_3 ];
 
   # ffms includes a built-in vapoursynth plugin, see:
   # https://github.com/FFMS/ffms2#avisynth-and-vapoursynth-plugin
diff --git a/pkgs/development/libraries/kde-frameworks/kfilemetadata/default.nix b/pkgs/development/libraries/kde-frameworks/kfilemetadata/default.nix
index c72cb5b71a43c..90a7116f42ad1 100644
--- a/pkgs/development/libraries/kde-frameworks/kfilemetadata/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/kfilemetadata/default.nix
@@ -1,7 +1,7 @@
 {
   mkDerivation, lib, copyPathsToStore,
   extra-cmake-modules,
-  attr, ebook_tools, exiv2, ffmpeg, karchive, kcoreaddons, ki18n, poppler, qtbase, qtmultimedia, taglib
+  attr, ebook_tools, exiv2, ffmpeg_3, karchive, kcoreaddons, ki18n, poppler, qtbase, qtmultimedia, taglib
 }:
 
 mkDerivation {
@@ -9,7 +9,7 @@ mkDerivation {
   meta = { maintainers = [ lib.maintainers.ttuegel ]; };
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [
-    attr ebook_tools exiv2 ffmpeg karchive kcoreaddons ki18n poppler qtbase qtmultimedia
+    attr ebook_tools exiv2 ffmpeg_3 karchive kcoreaddons ki18n poppler qtbase qtmultimedia
     taglib
   ];
   patches = copyPathsToStore (lib.readPathsFromFile ./. ./series);
diff --git a/pkgs/development/libraries/libextractor/default.nix b/pkgs/development/libraries/libextractor/default.nix
index 3db0b056c0f0a..f7e9606bbe773 100644
--- a/pkgs/development/libraries/libextractor/default.nix
+++ b/pkgs/development/libraries/libextractor/default.nix
@@ -13,11 +13,11 @@
 # '';
 # See also <https://nixos.org/nixpkgs/manual/#sec-language-gnome>.
 , gtkSupport ? true, glib ? null, gtk3 ? null
-, videoSupport ? true, ffmpeg ? null, libmpeg2 ? null}:
+, videoSupport ? true, ffmpeg_3 ? null, libmpeg2 ? null}:
 
 assert gstreamerSupport -> gst_all_1 != null && builtins.isList (gstPlugins gst_all_1);
 assert gtkSupport -> glib != null && gtk3 != null;
-assert videoSupport -> ffmpeg != null && libmpeg2 != null;
+assert videoSupport -> ffmpeg_3 != null && libmpeg2 != null;
 
 stdenv.mkDerivation rec {
   name = "libextractor-1.9";
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
    ] ++ stdenv.lib.optionals gstreamerSupport
           ([ gst_all_1.gstreamer ] ++ gstPlugins gst_all_1)
      ++ stdenv.lib.optionals gtkSupport [ glib gtk3 ]
-     ++ stdenv.lib.optionals videoSupport [ ffmpeg libmpeg2 ];
+     ++ stdenv.lib.optionals videoSupport [ ffmpeg_3 libmpeg2 ];
 
   configureFlags = [
     "--disable-ltdl-install"
diff --git a/pkgs/development/libraries/liblinphone/default.nix b/pkgs/development/libraries/liblinphone/default.nix
index a0ee8fe00539f..1c414b9dd8664 100644
--- a/pkgs/development/libraries/liblinphone/default.nix
+++ b/pkgs/development/libraries/liblinphone/default.nix
@@ -11,7 +11,7 @@
 , doxygen
 , fetchFromGitLab
 , fetchurl
-, ffmpeg
+, ffmpeg_3
 , gdk-pixbuf
 , git
 , glib
@@ -101,7 +101,7 @@ stdenv.mkDerivation rec {
     bzrtp
     cairo
     cyrus_sasl
-    ffmpeg
+    ffmpeg_3
     gdk-pixbuf
     git
     glib
diff --git a/pkgs/development/libraries/libqtav/default.nix b/pkgs/development/libraries/libqtav/default.nix
index 8d9cf381ff80d..00a87402fa3f8 100644
--- a/pkgs/development/libraries/libqtav/default.nix
+++ b/pkgs/development/libraries/libqtav/default.nix
@@ -1,7 +1,7 @@
 { mkDerivation, lib, fetchFromGitHub, extra-cmake-modules
 , qtbase, qtmultimedia, qtquick1, qttools
 , libGL, libX11
-, libass, openal, ffmpeg, libuchardet
+, libass, openal, ffmpeg_3, libuchardet
 , alsaLib, libpulseaudio, libva
 }:
 
@@ -15,7 +15,7 @@ mkDerivation rec {
   buildInputs = [
     qtbase qtmultimedia qtquick1
     libGL libX11
-    libass openal ffmpeg libuchardet
+    libass openal ffmpeg_3 libuchardet
     alsaLib libpulseaudio libva
   ];
 
diff --git a/pkgs/development/libraries/libvdpau-va-gl/default.nix b/pkgs/development/libraries/libvdpau-va-gl/default.nix
index cfc74a8a759cf..98176cd41f143 100644
--- a/pkgs/development/libraries/libvdpau-va-gl/default.nix
+++ b/pkgs/development/libraries/libvdpau-va-gl/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, cmake, pkgconfig, libX11, libpthreadstubs, libXau, libXdmcp
-, libXext, libvdpau, glib, libva, ffmpeg, libGLU }:
+, libXext, libvdpau, glib, libva, ffmpeg_3, libGLU }:
 
 stdenv.mkDerivation rec {
   pname = "libvdpau-va-gl";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ cmake pkgconfig ];
-  buildInputs = [ libX11 libpthreadstubs libXau libXdmcp libXext libvdpau glib libva ffmpeg libGLU ];
+  buildInputs = [ libX11 libpthreadstubs libXau libXdmcp libXext libvdpau glib libva ffmpeg_3 libGLU ];
 
   doCheck = false; # fails. needs DRI access
 
diff --git a/pkgs/development/libraries/mediastreamer/default.nix b/pkgs/development/libraries/mediastreamer/default.nix
index 5f7daa83b2f5f..81c7c8fcacf34 100644
--- a/pkgs/development/libraries/mediastreamer/default.nix
+++ b/pkgs/development/libraries/mediastreamer/default.nix
@@ -5,7 +5,7 @@
 , doxygen
 , fetchFromGitLab
 , fetchpatch
-, ffmpeg
+, ffmpeg_3
 , glew
 , gsm
 , intltool
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
     alsaLib
     bctoolbox
     bzrtp
-    ffmpeg
+    ffmpeg_3
     glew
     gsm
     libGL
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 6f327ca396a91..1597eb7913a58 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -23,7 +23,7 @@
 , enableGtk2      ? false, gtk2
 , enableGtk3      ? false, gtk3
 , enableVtk       ? false, vtk
-, enableFfmpeg    ? false, ffmpeg
+, enableFfmpeg    ? false, ffmpeg_3
 , enableGStreamer ? false, gst_all_1
 , enableTesseract ? false, tesseract, leptonica
 , enableTbb       ? false, tbb
@@ -188,7 +188,7 @@ stdenv.mkDerivation {
     ++ lib.optional enableWebP libwebp
     ++ lib.optionals enableEXR [ openexr ilmbase ]
     ++ lib.optional enableJPEG2K jasper
-    ++ lib.optional enableFfmpeg ffmpeg
+    ++ lib.optional enableFfmpeg ffmpeg_3
     ++ lib.optionals (enableFfmpeg && stdenv.isDarwin)
                      [ VideoDecodeAcceleration bzip2 ]
     ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index 9dcb9956838bc..dd71b10728d82 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -23,7 +23,7 @@
 , enableGtk2      ? false, gtk2
 , enableGtk3      ? false, gtk3
 , enableVtk       ? false, vtk
-, enableFfmpeg    ? false, ffmpeg
+, enableFfmpeg    ? false, ffmpeg_3
 , enableGStreamer ? false, gst_all_1
 , enableTesseract ? false, tesseract, leptonica
 , enableTbb       ? false, tbb
@@ -204,7 +204,7 @@ stdenv.mkDerivation {
     ++ lib.optional enableWebP libwebp
     ++ lib.optionals enableEXR [ openexr ilmbase ]
     ++ lib.optional enableJPEG2K jasper
-    ++ lib.optional enableFfmpeg ffmpeg
+    ++ lib.optional enableFfmpeg ffmpeg_3
     ++ lib.optionals (enableFfmpeg && stdenv.isDarwin)
                      [ VideoDecodeAcceleration bzip2 ]
     ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index f637e730179ba..06a3d5f194fbb 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -7,7 +7,7 @@
 , enableTIFF ? true, libtiff
 , enableEXR ? (!stdenv.isDarwin), openexr, ilmbase
 , enableJPEG2K ? false, jasper  # disable jasper by default (many CVE)
-, enableFfmpeg ? false, ffmpeg
+, enableFfmpeg ? false, ffmpeg_3
 , enableGStreamer ? false, gst_all_1
 , enableEigen ? true, eigen
 , Cocoa, QTKit
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional enableTIFF libtiff
     ++ lib.optionals enableEXR [ openexr ilmbase ]
     ++ lib.optional enableJPEG2K jasper
-    ++ lib.optional enableFfmpeg ffmpeg
+    ++ lib.optional enableFfmpeg ffmpeg_3
     ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
     ++ lib.optional enableEigen eigen
     ++ lib.optionals stdenv.isDarwin [ Cocoa QTKit ]
diff --git a/pkgs/development/libraries/openscenegraph/default.nix b/pkgs/development/libraries/openscenegraph/default.nix
index a209c950d4829..a861718521649 100644
--- a/pkgs/development/libraries/openscenegraph/default.nix
+++ b/pkgs/development/libraries/openscenegraph/default.nix
@@ -11,7 +11,7 @@
   curlSupport ? true, curl,
   colladaSupport ? false, opencollada,
   opencascadeSupport ? false, opencascade,
-  ffmpegSupport ? false, ffmpeg,
+  ffmpegSupport ? false, ffmpeg_3,
   nvttSupport ? false, nvidia-texture-tools,
   freetypeSupport ? true, freetype,
   svgSupport ? false, librsvg,
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional curlSupport curl
     ++ lib.optional colladaSupport opencollada
     ++ lib.optional opencascadeSupport opencascade
-    ++ lib.optional ffmpegSupport ffmpeg
+    ++ lib.optional ffmpegSupport ffmpeg_3
     ++ lib.optional nvttSupport nvidia-texture-tools
     ++ lib.optional freetypeSupport freetype
     ++ lib.optional svgSupport librsvg
diff --git a/pkgs/development/libraries/pangolin/default.nix b/pkgs/development/libraries/pangolin/default.nix
index e9f55dd6145f6..3af1833fe49f5 100644
--- a/pkgs/development/libraries/pangolin/default.nix
+++ b/pkgs/development/libraries/pangolin/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, cmake, pkgconfig, doxygen, libGL, glew
-, xorg , ffmpeg, python3 , libjpeg, libpng, libtiff, eigen
+, xorg , ffmpeg_3, python3 , libjpeg, libpng, libtiff, eigen
 , Carbon ? null, Cocoa ? null
 }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
     libGL 
     glew 
     xorg.libX11 
-    ffmpeg 
+    ffmpeg_3 
     python3 
     libjpeg 
     libpng 
diff --git a/pkgs/development/libraries/pipewire/0.2.nix b/pkgs/development/libraries/pipewire/0.2.nix
index e9656ee23ec53..1dbfe0647f472 100644
--- a/pkgs/development/libraries/pipewire/0.2.nix
+++ b/pkgs/development/libraries/pipewire/0.2.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, meson, ninja, pkgconfig, doxygen, graphviz, valgrind
-, glib, dbus, gst_all_1, alsaLib, ffmpeg, libjack2, udev, libva, xorg
+, glib, dbus, gst_all_1, alsaLib, ffmpeg_3, libjack2, udev, libva, xorg
 , sbc, SDL2, makeFontsConf
 }:
 
@@ -25,7 +25,7 @@ in stdenv.mkDerivation rec {
   ];
   buildInputs = [
     glib dbus gst_all_1.gst-plugins-base gst_all_1.gstreamer
-    alsaLib ffmpeg libjack2 udev libva xorg.libX11 sbc SDL2
+    alsaLib ffmpeg_3 libjack2 udev libva xorg.libX11 sbc SDL2
   ];
 
   mesonFlags = [
diff --git a/pkgs/development/libraries/pipewire/default.nix b/pkgs/development/libraries/pipewire/default.nix
index 8fd83c59e56d6..21dcf5af3159e 100644
--- a/pkgs/development/libraries/pipewire/default.nix
+++ b/pkgs/development/libraries/pipewire/default.nix
@@ -11,7 +11,7 @@
 , dbus
 , gst_all_1
 , alsaLib
-, ffmpeg
+, ffmpeg_3
 , libjack2
 , udev
 , libva
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
     alsaLib
     bluez
     dbus
-    ffmpeg
+    ffmpeg_3
     glib
     gst_all_1.gst-plugins-base
     gst_all_1.gstreamer
diff --git a/pkgs/development/libraries/qt-5/modules/qtwebengine.nix b/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
index df444eee2eb56..512060701e2dd 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
@@ -14,7 +14,7 @@
 , enableProprietaryCodecs ? true
 , gn
 , cups, darwin, openbsm, runCommand, xcbuild
-, ffmpeg ? null
+, ffmpeg_3 ? null
 , lib, stdenv
 }:
 
@@ -152,7 +152,7 @@ EOF
 
     libevent
   ] ++ optionals (stdenv.hostPlatform.isAarch32 || stdenv.hostPlatform.isAarch64) [
-    ffmpeg
+    ffmpeg_3
   ] ++ optionals (!stdenv.isDarwin) [
     dbus zlib minizip snappy nss protobuf jsoncpp
 
diff --git a/pkgs/development/libraries/wxSVG/default.nix b/pkgs/development/libraries/wxSVG/default.nix
index 602f3e670dde3..9fa64be4d53ea 100644
--- a/pkgs/development/libraries/wxSVG/default.nix
+++ b/pkgs/development/libraries/wxSVG/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl
 , pkgconfig, wxGTK
-, ffmpeg, libexif
+, ffmpeg_3, libexif
 , cairo, pango }:
 
 stdenv.mkDerivation rec {
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
 
-  propagatedBuildInputs = [ wxGTK ffmpeg libexif ];
+  propagatedBuildInputs = [ wxGTK ffmpeg_3 libexif ];
 
   buildInputs = [ cairo pango ];
 
diff --git a/pkgs/development/libraries/xine-lib/default.nix b/pkgs/development/libraries/xine-lib/default.nix
index aa9600085c016..4322278e2fd61 100644
--- a/pkgs/development/libraries/xine-lib/default.nix
+++ b/pkgs/development/libraries/xine-lib/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchpatch, pkgconfig, xorg, alsaLib, libGLU, libGL, aalib
-, libvorbis, libtheora, speex, zlib, perl, ffmpeg
+, libvorbis, libtheora, speex, zlib, perl, ffmpeg_3
 , flac, libcaca, libpulseaudio, libmng, libcdio, libv4l, vcdimager
 , libmpcdec
 }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     xorg.libX11 xorg.libXv xorg.libXinerama xorg.libxcb xorg.libXext
-    alsaLib libGLU libGL aalib libvorbis libtheora speex perl ffmpeg flac
+    alsaLib libGLU libGL aalib libvorbis libtheora speex perl ffmpeg_3 flac
     libcaca libpulseaudio libmng libcdio libv4l vcdimager libmpcdec
   ];
 
diff --git a/pkgs/development/python-modules/ffmpeg-python/default.nix b/pkgs/development/python-modules/ffmpeg-python/default.nix
index ae7dc43020b5f..51b0060cb2d60 100644
--- a/pkgs/development/python-modules/ffmpeg-python/default.nix
+++ b/pkgs/development/python-modules/ffmpeg-python/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , substituteAll
-, ffmpeg
+, ffmpeg_3
 , future
 , pytest
 , pytestrunner
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     (
       substituteAll {
         src = ./ffmpeg-location.patch;
-        inherit ffmpeg;
+        ffmpeg = ffmpeg_3;
       }
     )
   ];
diff --git a/pkgs/development/python-modules/ha-ffmpeg/default.nix b/pkgs/development/python-modules/ha-ffmpeg/default.nix
index d6438c6a5b8b8..cf119c1dec56b 100644
--- a/pkgs/development/python-modules/ha-ffmpeg/default.nix
+++ b/pkgs/development/python-modules/ha-ffmpeg/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi, isPy3k
-, ffmpeg, async-timeout }:
+, ffmpeg_3, async-timeout }:
 
 buildPythonPackage rec {
   pname = "ha-ffmpeg";
@@ -12,7 +12,7 @@ buildPythonPackage rec {
     sha256 = "230f2fa990c9caaff1c67c2227b64756062248083849651a9bec7d599e519a42";
   };
 
-  buildInputs = [ ffmpeg ];
+  buildInputs = [ ffmpeg_3 ];
 
   propagatedBuildInputs = [ async-timeout ];
 
diff --git a/pkgs/development/python-modules/imageio/default.nix b/pkgs/development/python-modules/imageio/default.nix
index 5433e1ea9e410..ebb7f86f5afb1 100644
--- a/pkgs/development/python-modules/imageio/default.nix
+++ b/pkgs/development/python-modules/imageio/default.nix
@@ -8,7 +8,7 @@
 , pytest
 , numpy
 , isPy3k
-, ffmpeg
+, ffmpeg_3
 , futures
 , enum34
 }:
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   };
 
   checkInputs = [ pytest psutil ] ++ stdenv.lib.optionals isPy3k [
-    imageio-ffmpeg ffmpeg
+    imageio-ffmpeg ffmpeg_3
     ];
   propagatedBuildInputs = [ numpy pillow ] ++ stdenv.lib.optionals (!isPy3k) [
     futures
diff --git a/pkgs/development/python-modules/infoqscraper/default.nix b/pkgs/development/python-modules/infoqscraper/default.nix
index ce265d0137854..4a15430834327 100644
--- a/pkgs/development/python-modules/infoqscraper/default.nix
+++ b/pkgs/development/python-modules/infoqscraper/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   buildInputs = [ html5lib ];
-  propagatedBuildInputs = [ six beautifulsoup4 pkgs.ffmpeg pkgs.swftools pkgs.rtmpdump ];
+  propagatedBuildInputs = [ six beautifulsoup4 pkgs.ffmpeg_3 pkgs.swftools pkgs.rtmpdump ];
 
   meta = with stdenv.lib; {
     description = "Discover presentations and/or create a movie consisting of slides and audio track from an infoq url";
diff --git a/pkgs/development/python-modules/sipsimple/default.nix b/pkgs/development/python-modules/sipsimple/default.nix
index 76820b6ebc6aa..d7791fcf96cba 100644
--- a/pkgs/development/python-modules/sipsimple/default.nix
+++ b/pkgs/development/python-modules/sipsimple/default.nix
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   '';
 
   nativeBuildInputs = [ pkgs.pkgconfig ];
-  buildInputs = with pkgs; [ alsaLib ffmpeg libv4l sqlite libvpx ];
+  buildInputs = with pkgs; [ alsaLib ffmpeg_3 libv4l sqlite libvpx ];
   propagatedBuildInputs = [ cython pkgs.openssl dnspython dateutil xcaplib msrplib lxml python-otr ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/stytra/default.nix b/pkgs/development/python-modules/stytra/default.nix
index 970fe5a19878b..8a1154d66c88f 100644
--- a/pkgs/development/python-modules/stytra/default.nix
+++ b/pkgs/development/python-modules/stytra/default.nix
@@ -8,7 +8,7 @@
 , pandas
 , tables
 , git
-, ffmpeg
+, ffmpeg_3
 , scikitimage
 , matplotlib
 , qdarkstyle
@@ -55,7 +55,7 @@ buildPythonPackage rec {
     pandas
     tables
     git
-    ffmpeg
+    ffmpeg_3
     scikitimage
     matplotlib
     qdarkstyle
diff --git a/pkgs/development/python-modules/thumbor/default.nix b/pkgs/development/python-modules/thumbor/default.nix
index ee805ce6300f3..86a2dd2001108 100644
--- a/pkgs/development/python-modules/thumbor/default.nix
+++ b/pkgs/development/python-modules/thumbor/default.nix
@@ -25,7 +25,7 @@ buildPythonPackage rec {
       gifsicle = "${pkgs.gifsicle}/bin/gifsicle";
       exiftool = "${pkgs.exiftool}/bin/exiftool";
       jpegtran = "${pkgs.libjpeg}/bin/jpegtran";
-      ffmpeg = "${pkgs.ffmpeg}/bin/ffmpeg";
+      ffmpeg = "${pkgs.ffmpeg_3}/bin/ffmpeg";
     })
   ];
 
diff --git a/pkgs/development/tools/nwjs/default.nix b/pkgs/development/tools/nwjs/default.nix
index 463642988a8f5..ab16d95115147 100644
--- a/pkgs/development/tools/nwjs/default.nix
+++ b/pkgs/development/tools/nwjs/default.nix
@@ -3,7 +3,7 @@
 , xorg, alsaLib, dbus, glib, gtk3, atk, pango, freetype, fontconfig
 , gdk-pixbuf, cairo, nss, nspr, gconf, expat, systemd, libcap
 , libnotify
-, ffmpeg, libxcb, cups
+, ffmpeg_3, libxcb, cups
 , sqlite, udev
 , libuuid
 , sdk ? false
@@ -22,7 +22,7 @@ let
       xorg.libXScrnSaver cups
       libcap libnotify
       # libnw-specific (not chromium dependencies)
-      ffmpeg libxcb
+      ffmpeg_3 libxcb
       # chromium runtime deps (dlopen’d)
       sqlite udev
       libuuid