diff --git a/pkgs/applications/video/mplayer/default.nix b/pkgs/applications/video/mplayer/default.nix
index 1715ce4a6a1..0c435bfbe15 100644
--- a/pkgs/applications/video/mplayer/default.nix
+++ b/pkgs/applications/video/mplayer/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchurl, pkg-config, freetype, yasm, ffmpeg
+{ config, lib, stdenv, fetchurl, fetchsvn, pkg-config, freetype, yasm, ffmpeg
 , aalibSupport ? true, aalib ? null
 , fontconfigSupport ? true, fontconfig ? null, freefont_ttf ? null
 , fribidiSupport ? true, fribidi ? null
@@ -93,11 +93,12 @@ in
 
 stdenv.mkDerivation rec {
   pname = "mplayer";
-  version = "1.4";
+  version = "unstable-2022-02-03";
 
-  src = fetchurl {
-    url = "http://www.mplayerhq.hu/MPlayer/releases/MPlayer-${version}.tar.xz";
-    sha256 = "0j5mflr0wnklxsvnpmxvk704hscyn2785hvvihj2i3a7b3anwnc2";
+  src = fetchsvn {
+    url = "svn://svn.mplayerhq.hu/mplayer/trunk";
+    rev = "38331";
+    sha256 = "1vpic8i6zvg0zsy50vhm45ysqag561bpn9jycfbvvwl9ji7l55zi";
   };
 
   prePatch = ''
@@ -106,8 +107,6 @@ stdenv.mkDerivation rec {
     rm -rf ffmpeg
   '';
 
-  patches = [ ./svn-r38199-ffmpeg44fix.patch ];
-
   depsBuildBuild = [ buildPackages.stdenv.cc ];
   nativeBuildInputs = [ pkg-config yasm ];
   buildInputs = with lib;
@@ -163,7 +162,6 @@ stdenv.mkDerivation rec {
     (if pulseSupport then "--enable-pulse" else "--disable-pulse")
     (if v4lSupport then "--enable-v4l2 --enable-tv-v4l2" else "--disable-v4l2 --disable-tv-v4l2")
     "--disable-xanim"
-    "--disable-ivtv"
     "--disable-xvid --disable-xvid-lavc"
     "--disable-ossaudio"
     "--disable-ffmpeg_a"
diff --git a/pkgs/applications/video/mplayer/svn-r38199-ffmpeg44fix.patch b/pkgs/applications/video/mplayer/svn-r38199-ffmpeg44fix.patch
deleted file mode 100644
index 4137989fcb5..00000000000
--- a/pkgs/applications/video/mplayer/svn-r38199-ffmpeg44fix.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-Index: libmpcodecs/ad_spdif.c
-===================================================================
-diff --git a/libmpcodecs/ad_spdif.c b/libmpcodecs/ad_spdif.c
---- a/libmpcodecs/ad_spdif.c	(revision 38198)
-+++ b/libmpcodecs/ad_spdif.c	(revision 38199)
-@@ -298,14 +298,8 @@
-         if (spdif_ctx->header_written)
-             av_write_trailer(lavf_ctx);
-         av_freep(&lavf_ctx->pb);
--        if (lavf_ctx->streams) {
--            av_freep(&lavf_ctx->streams[0]->codec);
--            av_freep(&lavf_ctx->streams[0]->info);
--            av_freep(&lavf_ctx->streams[0]);
--        }
--        av_freep(&lavf_ctx->streams);
--        av_freep(&lavf_ctx->priv_data);
-+        avformat_free_context(lavf_ctx);
-+        lavf_ctx = NULL;
-     }
--    av_freep(&lavf_ctx);
-     av_freep(&spdif_ctx);
- }