diff --git a/pkgs/development/libraries/ffmpeg/default.nix b/pkgs/development/libraries/ffmpeg/default.nix
index b77b52a5e657..38f12f779b65 100644
--- a/pkgs/development/libraries/ffmpeg/default.nix
+++ b/pkgs/development/libraries/ffmpeg/default.nix
@@ -18,11 +18,11 @@ assert xvidSupport -> xvidcore != null;
 assert faacSupport -> faac != null;
 
 stdenv.mkDerivation rec {
-  name = "ffmpeg-0.8.1";
+  name = "ffmpeg-0.10";
   
   src = fetchurl {
     url = "http://www.ffmpeg.org/releases/${name}.tar.bz2";
-    sha256 = "0vdq6bmrsi55p1l3dddiwyqsspb3l5dgqb87lysf5cz3sjxcfw2v";
+    sha256 = "1ybzw6d5axr807141izvm2yf4pa0hc1zcywj89nsn3qsdnknlna3";
   };
   
   # `--enable-gpl' (as well as the `postproc' and `swscale') mean that
diff --git a/pkgs/development/libraries/libvpx/default.nix b/pkgs/development/libraries/libvpx/default.nix
index 2bbd4d89c3be..0d1a2cacc460 100644
--- a/pkgs/development/libraries/libvpx/default.nix
+++ b/pkgs/development/libraries/libvpx/default.nix
@@ -1,16 +1,16 @@
-{stdenv, fetchurl, bash, yasm, which}:
+{stdenv, fetchurl, bash, yasm, which, perl}:
 
 stdenv.mkDerivation rec {
-  name = "libvpx-0.9.6";
+  name = "libvpx-1.0.0";
   
   src = fetchurl {
-    url = http://webm.googlecode.com/files/libvpx-v0.9.6.tar.bz2;
-    sha256 = "0wxay9wss4lawrcmnwqkpy0rdnaih1k7ilzh284mgyqnya78mg98";
+    url = http://webm.googlecode.com/files/libvpx-v1.0.0.tar.bz2;
+    sha256 = "08gyx90ndv0v8dhbhp3jdh6g37pmcjlfwljzsy0nskm4345dpkh7";
   };
 
   patchPhase = ''
     sed -e 's,/bin/bash,${bash}/bin/bash,' -i configure build/make/version.sh \
-      examples/gen_example_code.sh
+      examples/gen_example_code.sh build/make/gen_asm_deps.sh
     sed -e '/enable linux/d' -i configure
   '';
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     make quiet=false DIST_DIR=$out install
   '';
 
-  buildInputs = [ yasm which ];
+  buildInputs = [ yasm which perl ];
 
   meta = {
     description = "VP8 video encoder";
diff --git a/pkgs/development/libraries/x264/default.nix b/pkgs/development/libraries/x264/default.nix
index 0bba7af5c3d8..a5e045d27d6d 100644
--- a/pkgs/development/libraries/x264/default.nix
+++ b/pkgs/development/libraries/x264/default.nix
@@ -1,12 +1,12 @@
 {stdenv, fetchurl, yasm}:
 
 stdenv.mkDerivation rec {
-  version = "snapshot-20110724-2245-stable";
+  version = "snapshot-20120129-2245-stable";
   name = "x264-${version}";
 
   src = fetchurl {
     url = "ftp://ftp.videolan.org/pub/videolan/x264/snapshots/x264-${version}.tar.bz2";
-    sha256 = "07bylkh8cwcmj01sr41hhrvfbciyixhw1irdpj01kz9d0h8dhhpz";
+    sha256 = "1i63xsa46a5l0ys3mqbcqr4gr5kpaf9fs05cbf0782iir5k07pcr";
   };
 
   patchPhase = ''