gnu: Add libmp4v2.

* gnu/packages/video.scm (libmp4v2): New variable.

Signed-off-by: Kei Kebreau <kei@openmailbox.org>

gnu/packages/video.scm

@@ -11,7 +11,7 @@
 ;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
 ;;; Copyright © 2016 Dmitry Nikolaev <cameltheman@gmail.com>
 ;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
-;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
+;;; Copyright © 2016, 2017 ng0 <contact.ng0@cryptolab.net>
 ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;
@@ -57,6 +57,7 @@ (define-module (gnu packages video)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages databases)
+  #:use-module (gnu packages dejagnu)
   #:use-module (gnu packages elf)
   #:use-module (gnu packages flex)
   #:use-module (gnu packages fontutils)
@@ -75,6 +76,7 @@ (define-module (gnu packages video)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages lua)
   #:use-module (gnu packages m4)
+  #:use-module (gnu packages man)
   #:use-module (gnu packages mp3)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages ocr)
@@ -1864,3 +1866,62 @@ (define-public openh264
     (description
      "Openh264 is a library which can decode H264 video streams.")
     (license license:bsd-2)))
+
+(define-public libmp4v2
+  (package
+    (name "libmp4v2")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       ;; XXX: The new location of upstream is uncertain and will become relevant the
+       ;; moment when the googlecode archive shuts down. It is past the date it
+       ;; should've been turned off. I tried to communicate with upstream, but this
+       ;; wasn't very responsive and not very helpful. The short summary is, it is
+       ;; chaos when it comes to the amount of forks and only time will tell where
+       ;; the new upstream location is.
+       (uri (string-append "https://storage.googleapis.com/google-"
+                           "code-archive-downloads/v2/"
+                           "code.google.com/mp4v2/mp4v2-" version ".tar.bz2"))
+       (file-name (string-append name "-" version ".tar.bz2"))
+       (sha256
+        (base32
+         "0f438bimimsvxjbdp4vsr8hjw2nwggmhaxgcw07g2z361fkbj683"))))
+    (build-system gnu-build-system)
+    (outputs '("out"
+               "static")) ; 3.7MiB .a file
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'remove-dates
+           (lambda _
+             ;; Make the build reproducible.
+             (substitute* "configure"
+               (("PROJECT_build=\"`date`\"") "PROJECT_build=\"\"")
+               (("ac_abs_top_builddir=$ac_pwd") "ac_abs_top_builddir=\"\""))
+             #t))
+         (add-after 'install 'move-static-libraries
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; Move static libraries to the "static" output.
+             (let* ((out    (assoc-ref outputs "out"))
+                    (lib    (string-append out "/lib"))
+                    (static (assoc-ref outputs "static"))
+                    (slib   (string-append static "/lib")))
+               (mkdir-p slib)
+               (for-each (lambda (file)
+                           (install-file file slib)
+                           (delete-file file))
+                         (find-files lib "\\.a$"))
+               #t))))))
+    (native-inputs
+     `(("help2man" ,help2man)
+       ("dejagnu" ,dejagnu)))
+    (home-page "https://code.google.com/archive/p/mp4v2/")
+    (synopsis "API to create and modify mp4 files")
+    (description
+     "The MP4v2 library provides an API to create and modify mp4 files as defined by
+ISO-IEC:14496-1:2001 MPEG-4 Systems.  This file format is derived from Apple's QuickTime
+file format that has been used as a multimedia file format in a variety of platforms and
+applications.  It is a very powerful and extensible format that can accommodate
+practically any type of media.")
+    (license license:mpl1.1)))