[bug#49008] [PATCH] gnu: Add invada-studio-plugins-lv2.

[Thorsten Wilms]

* gnu/packages/audio.sm (invada-studio-plugins-lv2): New variable.
---
 gnu/packages/audio.scm | 51 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 70c06f54a1..c4141280dc 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -15,7 +15,7 @@
 ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018 Brett Gilio <brettg@gnu.org>
 ;;; Copyright © 2018, 2019 Marius Bakke <mbakke@fastmail.com>
-;;; Copyright © 2018 Thorsten Wilms <t_w_@freenet.de>
+;;; Copyright © 2018, 2021 Thorsten Wilms <t_w_@freenet.de>
 ;;; Copyright © 2018 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2018 Brendan Tildesley <mail@brendan.scot>
 ;;; Copyright © 2019, 2021 Pierre Langlois <pierre.langlois@gmx.com>
@@ -5275,3 +5275,52 @@ Icecast server.")
 generator, generating audio signals out of Linux's /dev/dsp audio
 device.  There is support for mono and/or stereo and 8 or 16 bit samples.")
     (license license:gpl2)))
+
+(define-public invada-studio-plugins-lv2
+  (package
+   (name "invada-studio-plugins-lv2")
+   (version "1.3pre")
+   ;; Last release 1.2 is from 2009 and lacks required changes.
+   (source (origin
+            (method bzr-fetch)
+            (uri (bzr-reference
+                 (url "lp:invada-studio")
+                 (revision "108")))
+            (sha256
+             (base32
+              "05flf9b25z14380b54z47jvnbyilq24arm6jysk29zmxq28a6d3l"))))
+   (build-system gnu-build-system)
+   (arguments
+    `(#:tests? #f ; no check target
+      #:phases
+      (modify-phases
+       %standard-phases         
+       (delete 'configure) ; There is no configure script
+       (add-after 'unpack 'adjust-makefile
+                 (lambda* (#:key outputs #:allow-other-keys)
+                          (substitute* "Makefile"
+                                       ;; Set proper LV2 plugin target
+                                       ;; directory:
+                                       (("/usr/local")
+                                        (assoc-ref outputs "out"))
+                                       ;; The default install target just
+                                       ;; prints a note about install-user and
+                                       ;; install-sys, the one we want:
+                                       (("install:") "install: install-sys"))
+                          #t)))))
+   (inputs
+    `(("lv2" ,lv2)
+      ("gtk" ,gtk+-2)))
+   (native-inputs
+    `(("pkg-config" ,pkg-config)))
+   (native-search-paths
+    (list (search-path-specification
+           (variable "LV2_PATH")
+           (files '("lib/lv2")))))
+   (home-page "https://launchpad.net/invada-studio/lv2";)
+   (synopsis "Audio plug-in pack for LV2")
+   (description
+    "Invada Studio Plugins are LV2 audio plugins, including distortion, delay,
+compressor, filters, Phasers, early-reflections-based reverb, utility and test
+tone generator. ")
+   (license (list license:gpl2+ license:gpl2+))))
-- 
2.32.0