uvccapture: new package

"Capture image from USB webcam at a specified interval"

I apply patches from Debian to make it build with V4L2 (instead of v1
API) and fix some warnings/bugs. Source code is also downloaded from
Debian, as uvccapture homepage is unavailable.

Homepage: http://linux-uvc.berlios.de/ (seems to have vanished...)

pkgs/applications/video/uvccapture/default.nix

@@ -0,0 +1,51 @@
+{ stdenv, fetchurl, libjpeg }:
+
+let
+  debianPatches = fetchurl {
+    url = "mirror://debian/pool/main/u/uvccapture/uvccapture_0.5-3.debian.tar.gz";
+    sha256 = "0m29by13nw1r8sch366qzdxg5rsd1k766kqg1nj2pdb8f7pwjh9r";
+  };
+
+in
+
+stdenv.mkDerivation rec {
+  name = "uvccapture-0.5";
+  
+  src = fetchurl {
+    url = "mirror://debian/pool/main/u/uvccapture/uvccapture_0.5.orig.tar.gz";
+    sha256 = "1b3akkcmr3brbf93akr8xi20w8zqf2g0qfq928500wy04qi6jqpi";
+  };
+
+  buildInputs = [ libjpeg ];
+
+  patchPhase = ''
+    tar xvf "${debianPatches}"
+    for fname in debian/patches/fix_videodev_include_FTBFS.patch \
+                 debian/patches/warnings.patch \
+                 debian/patches/numbuffers.patch
+    do
+        echo "Applying patch $fname"
+        patch < "$fname"
+    done
+  '';
+
+  makeFlagsArray = [ "PREFIX=$(out)/bin/" ];
+
+  preInstall = ''
+    mkdir -p "$out/bin"
+  '';
+
+  # Upstream has no man page, install one from Debian
+  postInstall = ''
+    mkdir -p "$out/share/man/man1"
+    cp -v debian/uvccapture.1 "$out/share/man/man1/"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Capture image from USB webcam at a specified interval";
+    homepage = http://linux-uvc.berlios.de/;
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.bjornfor ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9847,6 +9847,8 @@ let
 
   uucp = callPackage ../tools/misc/uucp { };
 
+  uvccapture = callPackage ../applications/video/uvccapture { };
+
   uwimap = callPackage ../tools/networking/uwimap { };
 
   uzbl = callPackage ../applications/networking/browsers/uzbl {