gnu: Add w-scan.

* gnu/packages/video.scm (w-scan): New variable.

gnu/packages/video.scm

@@ -39,6 +39,7 @@
 ;;; Copyright © 2020 Josh Holland <josh@inv.alid.pw>
 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 ;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
+;;; Copyright © 2020 Guillaume Le Vaillant <glv@posteo.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -3920,3 +3921,31 @@ work-in-progress, aiming to support video-on-demand and live streaming
 applications.  It only supports Intel-compatible CPUs (x86).")
     (home-page "https://github.com/OpenVisualCloud/SVT-AV1")
     (license license:bsd-2)))
+
+(define-public w-scan
+  (package
+    (name "w-scan")
+    (version "20170107")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://www.gen2vdr.de/wirbel/w_scan/w_scan-"
+                           version ".tar.bz2"))
+       (sha256
+        (base32 "1zkgnj2sfvckix360wwk1v5s43g69snm45m0drnzyv7hgf5g7q1q"))))
+    (build-system gnu-build-system)
+    (synopsis "Scan ATSC/DVB-C/DVB-S/DVB-T channels")
+    (description
+     "This is a small command line utility used to perform frequency scans for
+DVB and ATSC transmissions without initial tuning data.  It can print the
+result in several formats:
+@itemize
+@item VDR channels.conf,
+@item czap/tzap/xine/mplayer channels.conf,
+@item Gstreamer dvbsrc plugin,
+@item VLC xspf playlist,
+@item XML,
+@item initial tuning data for scan or dvbv5-scan.
+@end itemize\n")
+    (home-page "https://www.gen2vdr.de/wirbel/w_scan/index2.html")
+    (license license:gpl2+)))