From 579e9e9509f45fdc8543323b3c9f662b53dbfc6d Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Sat, 5 Feb 2022 22:55:20 +0100
Subject: gnu: Add drc.

* gnu/packages/audio.scm (drc): New variable.
---
 gnu/packages/audio.scm | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 867011f473..a8ecd32e4c 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2015 Alex Kost <alezost@gmail.com>
@@ -4096,6 +4096,40 @@ with support for HD extensions.")
     (home-page "https://github.com/foo86/dcadec")
     (license license:lgpl2.1+)))
 
+(define-public drc
+  (package
+    (name "drc")
+    (version "3.2.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://sourceforge/drc-fir/drc-fir/"
+                           version "/drc-" version ".tar.gz"))
+       (sha256
+        (base32
+         "08ljj4776pjx119zjmfqa8w56bf7x0m7spmi27yk1m455bmiglrj"))))
+    (build-system gnu-build-system)
+    (arguments
+     (list
+      #:tests? #false ;there are none
+      #:make-flags
+      #~(list (string-append "INSTALL_PREFIX=" #$output)
+              "-C" "source")
+      #:phases
+      '(modify-phases %standard-phases
+         (delete 'configure))))
+    (inputs (list fftw))
+    (home-page "http://drc-fir.sourceforge.net/")
+    (synopsis "Digital room correction")
+    (description
+     "DRC is a program used to generate correction filters for acoustic
+compensation of HiFi and audio systems in general, including listening room
+compensation.  DRC generates just the FIR correction filters, which can be
+used with a real time or offline convolver to provide real time or offline
+correction.  DRC doesn't provide convolution features, and provides only some
+simplified, although really accurate, measuring tools.")
+    (license license:gpl2+)))
+
 (define-public bs1770gain
   (package
     (name "bs1770gain")
-- 
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