add jpeg support to mplayer and mplayer2

Closes #4288

pkgs/applications/video/mplayer/default.nix

@@ -21,6 +21,7 @@
 , bs2bSupport ? false, libbs2b ? null
 # For screenshots
 , libpngSupport ? true, libpng ? null
+, libjpegSupport ? true, libjpeg ? null
 , useUnfreeCodecs ? false
 }:
 
@@ -46,6 +47,7 @@ assert jackaudioSupport -> jack2 != null;
 assert pulseSupport -> pulseaudio != null;
 assert bs2bSupport -> libbs2b != null;
 assert libpngSupport -> libpng != null;
+assert libjpegSupport -> libjpeg != null;
 
 let
 
@@ -121,6 +123,7 @@ stdenv.mkDerivation rec {
     ++ optional vdpauSupport libvdpau
     ++ optional speexSupport speex
     ++ optional libpngSupport libpng
+    ++ optional libjpegSupport libjpeg
     ++ optional bs2bSupport libbs2b
     ;
 

pkgs/applications/video/mplayer2/default.nix

@@ -15,6 +15,7 @@
 , bs2bSupport ? false, libbs2b ? null
 # For screenshots
 , libpngSupport ? true, libpng ? null
+, libjpegSupport ? true, libjpeg ? null
 , useUnfreeCodecs ? false
 }:
 
@@ -32,6 +33,7 @@ assert jackaudioSupport -> jack2 != null;
 assert pulseSupport -> pulseaudio != null;
 assert bs2bSupport -> libbs2b != null;
 assert libpngSupport -> libpng != null;
+assert libjpegSupport -> libjpeg != null;
 
 let
 
@@ -96,6 +98,7 @@ stdenv.mkDerivation rec {
     ++ optional speexSupport speex
     ++ optional bs2bSupport libbs2b
     ++ optional libpngSupport libpng
+    ++ optional libjpegSupport libjpeg
     ;
 
   nativeBuildInputs = [ yasm python3 ];