[PATCH] gnu: Add libass.

[Taylan Ulrich Bayırlı/Kammer]

(This relies on my previous two patches adding encoding.scm with Enca.)

>From 2e727c984c327bd033c910a7b51eadfd46210296 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Taylan=20Ulrich=20Bay=C4=B1rl=C4=B1/Kammer?=
 <address@hidden>
Date: Wed, 4 Mar 2015 22:37:08 +0100
Subject: [PATCH 3/5] gnu: Add libass.

* gnu/packages/video.scm (libass): New variable.
---
 gnu/packages/video.scm | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index 87d9824..5754d64 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2013, 2014, 2015 Andreas Enge <address@hidden>
 ;;; Copyright © 2014, 2015 David Thompson <address@hidden>
 ;;; Copyright © 2014, 2015 Mark H Weaver <address@hidden>
+;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,7 +22,7 @@
 (define-module (gnu packages video)
   #:use-module (ice-9 match)
   #:use-module ((guix licenses)
-                #:select (gpl2 gpl2+ gpl3+ bsd-3 public-domain))
+                #:select (gpl2 gpl2+ gpl3+ bsd-3 public-domain isc))
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system cmake)
@@ -35,6 +36,7 @@
   #:use-module (gnu packages compression)
   #:use-module (gnu packages databases)
   #:use-module (gnu packages elf)
+  #:use-module (gnu packages encoding)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages fribidi)
   #:use-module (gnu packages gettext)
@@ -63,6 +65,34 @@
   #:use-module (gnu packages yasm)
   #:use-module (gnu packages zip))
 
+(define-public libass
+  (package
+    (name "libass")
+    (version "0.12.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://github.com/libass/libass/releases/download/";
+                    version "/libass-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1mwj2nk9g6cq6f8m1hf0ijg1299rghhy9naahqq43sc2whblb1l7"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("yasm" ,yasm)))
+    (inputs
+     `(("freetype" ,freetype)
+       ("fribidi" ,fribidi)
+       ("fontconfig" ,fontconfig)
+       ("harfbuzz" ,harfbuzz)
+       ("enca" ,enca)))
+    (home-page "https://github.com/libass/libass";)
+    (synopsis "Subtitle rendering library for the ASS/SSA format")
+    (description "libass is a subtitle rendering library for the
+ASS/SSA (Advanced Substation Alpha/SubStation Alpha) subtitle format.")
+    (license isc)))
+
 (define-public ffmpeg
   (package
     (name "ffmpeg")
-- 
2.2.1