here's a patch to add zimg, a new dependency for vapoursynth in versions 29 and above.
-- Efraim Flashner <efr...@flashner.co.il> אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted
From 280b1d63e16d223eb29291421b652a13bc077795 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efr...@flashner.co.il>
Date: Sun, 29 May 2016 14:48:42 +0300
Subject: [PATCH] gnu: Add zimg.
* gnu/packages/image.scm (zimg): New variable.
---
gnu/packages/image.scm | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 3651e97..17d1bdd 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -766,3 +766,35 @@ implementation of the codec specified in the JPEG-2000
Part-1 standard (i.e.,
ISO/IEC 15444-1).")
(home-page "https://www.ece.uvic.ca/~frodo/jasper/";)
(license (license:x11-style "file://LICENSE"))))
+
+(define-public zimg
+ (package
+ (name "zimg")
+ (version "2.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append "https://github.com/sekrit-twc/zimg/archive/";
+ "release-" version ".tar.gz"))
+ (file-name (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "1hqp1gcsa2zhypms5dnasb1srjgxdqm7cip3w5i571kk9nxkn289"))))
+ (build-system gnu-build-system)
+ (native-inputs
+ `(("autoconf" ,autoconf)
+ ("automake" ,automake)
+ ("libtool" ,libtool)))
+ (arguments
+ '(#:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'autogen
+ (lambda _
+ (zero? (system* "sh" "autogen.sh")))))))
+ (synopsis "Scaling, colorspace conversion, and dithering library")
+ (description "Zimg implements the commonly required image processing basics
+of scaling, colorspace conversion, and depth conversion. A simple API enables
+conversion between any supported formats to operate with minimal knowledge from
+the programmer.")
+ (home-page "https://github.com/sekrit-twc/zimg";)
+ (license (license:fsf-free "file://COPYING")))) ;WTFPL version 2
--
2.8.3
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