gnu: Add FluidPlug plugins.

* gnu/packages/fluidplug.scm: New file;
(fluidplug-lv2): New variable;
(fluidplug-plugin->package): New procedure;
(fluidplug-airfont320-lv2, fluidplug-avl-drumkits-perc-lv2,
fluidplug-black-pearl-4a-lv2, fluidplug-black-pearl-4b-lv2,
fluidplug-black-pearl-5-lv2, fluidplug-red-zeppelin-4-lv2,
fluidplug-red-zeppelin-5-lv2, fluidplug-fluidgm-lv2,
fluidplug-fluidbass-lv2, fluidplug-fluidbrass-lv2,
fluidplug-fluidchromperc-lv2, fluidplug-fluiddrums-lv2,
fluidplug-fluidensemble-lv2, fluidplug-fluidethnic-lv2,
fluidplug-fluidguitars-lv2, fluidplug-fluidorgans-lv2,
fluidplug-fluidpercussion-lv2, fluidplug-fluidpianos-lv2,
fluidplug-fluidpipes-lv2, fluidplug-fluidreeds-lv2,
fluidplug-fluidsoundfx-lv2, fluidplug-fluidstrings-lv2,
fluidplug-fluidsynthfx-lv2, fluidplug-fluidsynthleads-lv2,
fluidplug-fluidsynthpads-lv2): New variables.
* gnu/local.mk: Add it.
* CODEOWNERS: Add it to audio team's scope.
* etc/teams.scm: Add it to audio team's scope.

Change-Id: I3692e2ed462bf71abe56d07712b8846a4228ad90

4 files changed, 483 insertions, 0 deletions

diff --git a/CODEOWNERS b/CODEOWNERS
index b4f5ffe7379..b077b79a6ef 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -7,6 +7,7 @@
 # usually suited as a reviewer.
 
 gnu/packages/audio\.scm                            @guix/audio
+gnu/packages/fluidplug\.scm                        @guix/audio
 gnu/packages/xiph\.scm                             @guix/audio
 
 gnu/packages/commencement\.scm                     @guix/bootstrap
diff --git a/etc/teams.scm b/etc/teams.scm
index 28f2504048b..4f4808fd0a8 100755
--- a/etc/teams.scm
+++ b/etc/teams.scm
@@ -448,6 +448,7 @@ already exists.  Lookup team IDs among CURRENT-TEAMS."
         #:name "Audio team"
         #:description "Audio related packages."
         #:scope (list "gnu/packages/audio.scm"
+                      "gnu/packages/fluidplug.scm"
                       "gnu/packages/xiph.scm")))
 
 (define-team bootstrap
diff --git a/gnu/local.mk b/gnu/local.mk
index f12df53b72a..179e3948c05 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -306,6 +306,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/flashing-tools.scm               \
   %D%/packages/flex.scm                         \
   %D%/packages/fltk.scm                         \
+  %D%/packages/fluidplug.scm                    \
   %D%/packages/fonts.scm                        \
   %D%/packages/fontutils.scm                    \
   %D%/packages/fpga.scm                         \
diff --git a/gnu/packages/fluidplug.scm b/gnu/packages/fluidplug.scm
new file mode 100644
index 00000000000..c731f295bac
--- /dev/null
+++ b/gnu/packages/fluidplug.scm
@@ -0,0 +1,480 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2025 Giacomo Leidi <goodoldpaul@autistici.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages fluidplug)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix download)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses)
+                #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix records)
+  #:use-module (guix utils)
+  #:use-module (gnu packages audio)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (srfi srfi-1)
+  #:export (fluidplug-plugin
+            fluidplug-plugin?
+            fluidplug-plugin-name
+            fluidplug-plugin-path
+            fluidplug-plugin-hash
+            fluidplug-plugin-license
+
+            fluidplug-lv2
+
+            fluidplug-plugin->package
+            fluidplug-airfont320-lv2
+            fluidplug-avl-drumkits-perc-lv2
+            fluidplug-black-pearl-4a-lv2
+            fluidplug-black-pearl-4b-lv2
+            fluidplug-black-pearl-5-lv2
+            fluidplug-red-zeppelin-4-lv2
+            fluidplug-red-zeppelin-5-lv2
+            fluidplug-fluidgm-lv2
+            fluidplug-fluidbass-lv2
+            fluidplug-fluidbrass-lv2
+            fluidplug-fluidchromperc-lv2
+            fluidplug-fluiddrums-lv2
+            fluidplug-fluidensemble-lv2
+            fluidplug-fluidethnic-lv2
+            fluidplug-fluidguitars-lv2
+            fluidplug-fluidorgans-lv2
+            fluidplug-fluidpercussion-lv2
+            fluidplug-fluidpianos-lv2
+            fluidplug-fluidpipes-lv2
+            fluidplug-fluidreeds-lv2
+            fluidplug-fluidsoundfx-lv2
+            fluidplug-fluidstrings-lv2
+            fluidplug-fluidsynthfx-lv2
+            fluidplug-fluidsynthleads-lv2
+            fluidplug-fluidsynthpads-lv2))
+
+(define-record-type* <fluidplug-plugin>
+  fluidplug-plugin make-fluidplug-plugin
+  fluidplug-plugin?
+  (name            fluidplug-plugin-name)         ;string
+  (hash            fluidplug-plugin-hash)         ;string
+  (path            fluidplug-plugin-path)         ;string
+  (license         fluidplug-plugin-license       ;license
+                   (default license:cc-by-sa4.0)))
+
+(define (fluidplug-plugin->package-name record)
+  (string-append "fluidplug-"
+                 (string-downcase
+                  (string-replace-substring
+                   (fluidplug-plugin-name record) "_" "-"))
+                 "-lv2"))
+
+(define (fluidplug-plugin->origin record)
+  (origin
+    (method url-fetch)
+    (uri
+     (string-append "https://download.linuxaudio.org/"
+                    "musical-instrument-libraries/sf2/"
+                    (fluidplug-plugin-path record)))
+    (sha256
+     (base32 (fluidplug-plugin-hash record)))))
+
+(define (fluidplug-plugin->local-path record)
+  (string-append "./" (fluidplug-plugin-name record) ".lv2/"
+                 (basename (fluidplug-plugin-path record))))
+
+(define airfont320
+  (fluidplug-plugin
+   (name "AirFont320")
+   (path "airfont_a340u.tar.7z")
+   (hash "1x4xzm4khq823i4p18ydbkjza2nv3hzwyxp7vf3gzqs374jdcqbw")
+   (license license:gpl2)))
+
+(define avl-drumkits-perc
+  (fluidplug-plugin
+   (name "AVL_Drumkits_Perc")
+   (path "AVL-Drumkits-1.1-SF2-splitted/AVL_Drumkits_Perc_1.1.tar.7z")
+   (hash "0l1zvzw9dg922wf9llcl9zlw5ybjmayg7yqacp253xcr2jz1hn7m")
+   (license license:cc-by-sa3.0)))
+
+(define black-pearl-4a
+  (fluidplug-plugin
+   (name "Black_Pearl_4A")
+   (path "AVL-Drumkits-1.1-SF2-splitted/Black_Pearl_4A-1.1.tar.7z")
+   (hash "0flzlg5m2r3df8dchydzg3xllcv7ignr7hx6qxzy51s6gzrlbzli")
+   (license license:cc-by-sa3.0)))
+
+(define black-pearl-4b
+  (fluidplug-plugin
+   (name "Black_Pearl_4B")
+   (path "AVL-Drumkits-1.1-SF2-splitted/Black_Pearl_4B-1.1.tar.7z")
+   (hash "1z5q8z4k81xnbcv0gpc2xgrzqm9fg4n2yly1kaw82q7sm29vi0z9")
+   (license license:cc-by-sa3.0)))
+
+(define black-pearl-5
+  (fluidplug-plugin
+   (name "Black_Pearl_5")
+   (path "AVL-Drumkits-1.1-SF2-splitted/Black_Pearl_5-1.1.tar.7z")
+   (hash "0mg41wc912sfj2mydn86ychwk21l3ngbn7k3qsm6jgf1ipmsip9y")
+   (license license:cc-by-sa3.0)))
+
+(define red-zeppelin-4
+  (fluidplug-plugin
+   (name "Red_Zeppelin_4")
+   (path "AVL-Drumkits-1.1-SF2-splitted/Red_Zeppelin_4-1.1.tar.7z")
+   (hash "0pcswg4hlyn8j6nghbwvxa71ibp6r0wxcbxjzxs4iim43vpxc659")
+   (license license:cc-by-sa3.0)))
+
+(define red-zeppelin-5
+  (fluidplug-plugin
+   (name "Red_Zeppelin_5")
+   (path "AVL-Drumkits-1.1-SF2-splitted/Red_Zeppelin_5-1.1.tar.7z")
+   (hash "18hhmi1d1i7gr2rp4wn28pnfwl825rmhmjnvxvvcwdmis6nad4gm")
+   (license license:cc-by-sa3.0)))
+
+(define fluidgm
+  (fluidplug-plugin
+   (name "FluidGM")
+   (path "fluidr3.tar.7z")
+   (hash "00ka1b2pxn0g2g0hm7kdg5w785pfx8f9585238d183wjdkc3a8m6")
+   (license license:expat)))
+
+(define fluidbass
+  (fluidplug-plugin
+   (name "FluidBass")
+   (path "fluidr3-splitted/fluidr3gm_bass.sf2.tar.7z")
+   (hash "1zhixrxkwvmn6xkpy9f8zkrwxmaqwdcx0jz7zg8lc2amqkx9wqan")))
+
+(define fluidbrass
+  (fluidplug-plugin
+   (name "FluidBrass")
+   (path "fluidr3-splitted/fluidr3gm_brass.sf2.tar.7z")
+   (hash "027l3q4q9011xzbzsrsp5nj3h05w9dj7d8b943xzck7q4sp9alkp")))
+
+(define fluidchromperc
+  (fluidplug-plugin
+   (name "FluidChromPerc")
+   (path "fluidr3-splitted/fluidr3gm_chromaticpercussion.sf2.tar.7z")
+   (hash "1233fh36wlifrawh57v8vycxc0g4pbvy3qr9f596g9n7mm4h51f7")))
+
+(define fluiddrums
+  (fluidplug-plugin
+   (name "FluidDrums")
+   (path "fluidr3-splitted/fluidr3gm_drums.sf2.tar.7z")
+   (hash "01pv3aj52pz8xy29acprwkb69jxhrn64kx7w29ch5bl091lccqgr")))
+
+(define fluidensemble
+  (fluidplug-plugin
+   (name "FluidEnsemble")
+   (path "fluidr3-splitted/fluidr3gm_ensemble.sf2.tar.7z")
+   (hash "0rswcgzapcjmwddh2hgicym27hqz3p43r2s8j7hy1s40hzk3nbax")))
+
+(define fluidethnic
+  (fluidplug-plugin
+   (name "FluidEthnic")
+   (path "fluidr3-splitted/fluidr3gm_ethnic.sf2.tar.7z")
+   (hash "0z1z37wn6lw1n919bkpfirachg5wwddi7f0g4l9vimazv34ds1b1")))
+
+(define fluidguitars
+  (fluidplug-plugin
+   (name "FluidGuitars")
+   (path "fluidr3-splitted/fluidr3gm_guitar.sf2.tar.7z")
+   (hash "1d5jxx4sgbyh9sqmfksggcsri9hal7mw83a6h1vqb9xf59gnmx1i")))
+
+(define fluidorgans
+  (fluidplug-plugin
+   (name "FluidOrgans")
+   (path "fluidr3-splitted/fluidr3gm_organ.sf2.tar.7z")
+   (hash "12zlq28cmr2hsgn1319hidzcm8yifx6vsqsqk544z3qkhc8cg4fr")))
+
+(define fluidpercussion
+  (fluidplug-plugin
+   (name "FluidPercussion")
+   (path "fluidr3-splitted/fluidr3gm_percussive.sf2.tar.7z")
+   (hash "1gql0g1zk09n6r90mav47khdc406jhmg5iql6i2zjmg9l7yg65n3")))
+
+(define fluidpianos
+  (fluidplug-plugin
+   (name "FluidPianos")
+   (path "fluidr3-splitted/fluidr3gm_piano.sf2.tar.7z")
+   (hash "06a817xvx7qj8plr1vhpanbdr97cbmzky0pp6xhff916s5k0jg2r")))
+
+(define fluidpipes
+  (fluidplug-plugin
+   (name "FluidPipes")
+   (path "fluidr3-splitted/fluidr3gm_pipe.sf2.tar.7z")
+   (hash "09wzvsabcif27687g71g4m75zz08zpwpm2dzwh8a7xsfi5qdynf2")))
+
+(define fluidreeds
+  (fluidplug-plugin
+   (name "FluidReeds")
+   (path "fluidr3-splitted/fluidr3gm_reed.sf2.tar.7z")
+   (hash "1yb0whi67wz7ag6hcfdns69m1ic3fq6firvbb893ilnx8h17yjak")))
+
+(define fluidsoundfx
+  (fluidplug-plugin
+   (name "FluidSoundFX")
+   (path "fluidr3-splitted/fluidr3gm_soundeffects.sf2.tar.7z")
+   (hash "0sg8gca9735gy0pna63vgsfnabk54dl30n1lnhcf976n7y0npzfx")))
+
+(define fluidstrings
+  (fluidplug-plugin
+   (name "FluidStrings")
+   (path "fluidr3-splitted/fluidr3gm_strings.sf2.tar.7z")
+   (hash "1nnxr62i3p3hhdpwlly62c4cvf7f3dzq818fmlnlxp25215h17bs")))
+
+(define fluidsynthfx
+  (fluidplug-plugin
+   (name "FluidSynthFX")
+   (path "fluidr3-splitted/fluidr3gm_syntheffects.sf2.tar.7z")
+   (hash "0rlq58v9m6wjk45kxmza54y8fkj1b8y1zg00r80nwyqz6rylgjh4")))
+
+(define fluidsynthleads
+  (fluidplug-plugin
+   (name "FluidSynthLeads")
+   (path "fluidr3-splitted/fluidr3gm_synthlead.sf2.tar.7z")
+   (hash "0axi5dyqf8zh1gn82qq0jpzr0cgbsjn4xm0yrlqld4k6h9ggj475")))
+
+(define fluidsynthpads
+  (fluidplug-plugin
+   (name "FluidSynthPads")
+   (path "fluidr3-splitted/fluidr3gm_synthpad.sf2.tar.7z")
+   (hash "1q4pd6ymb08yc6rz68wlidjp5kp7pygc2aw45djw9wr8id6pnadi")))
+
+(define fluidplug-plugins
+  (list airfont320
+        avl-drumkits-perc
+        black-pearl-4a
+        black-pearl-4b
+        black-pearl-5
+        red-zeppelin-4
+        red-zeppelin-5
+        fluidgm
+        fluidbass
+        fluidbrass
+        fluidchromperc
+        fluiddrums
+        fluidensemble
+        fluidethnic
+        fluidguitars
+        fluidorgans
+        fluidpercussion
+        fluidpianos
+        fluidpipes
+        fluidreeds
+        fluidsoundfx
+        fluidstrings
+        fluidsynthfx
+        fluidsynthleads
+        fluidsynthpads))
+
+(define fluidplug-lv2
+  (let ((version "0.0.5")
+        (revision "0")
+        ;; Latest commit from the default brach.
+        (commit "1cf494cb3a5b1f7f2a95f872768a1eef141c3e0a"))
+    (package
+      (name "fluidplug-lv2")
+      (version (git-version version revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                       (url "https://github.com/falkTX/FluidPlug")
+                       (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0rqy4xzswkvmqa4mwyy5nz6r8w4bxjfg2rafbid4lb0izjnhma8q"))))
+      (build-system gnu-build-system)
+      (arguments
+       (list
+        #:tests? #f ;there are no tests.
+        #:make-flags #~(list (string-append "CC=" #$(cc-for-target))
+                             (string-append "DESTDIR=" #$output)
+                             "PREFIX=")
+        #:phases
+        #~(modify-phases %standard-phases
+            (add-after 'unpack 'conditionally-enable-amd64-optimizations
+              (lambda _
+                (let ((system #$(or (%current-target-system)
+                                    (%current-system))))
+                  (unless (string-prefix? "x86_64" system)
+                    (substitute* "Makefile.mk"
+                      (("-msse -msse2 -mfpmath=sse") ""))))))
+            (add-after 'conditionally-enable-amd64-optimizations
+                       'disable-plugin-download
+              (lambda _
+                ;; SoundFonts can't be downloaded at build time
+                ;; in Guix, so it is disabled.
+                (substitute* "Makefile"
+                  (("wget") "# wget"))))
+            (add-after 'disable-plugin-download 'unpack-plugins
+              (lambda _
+                (use-modules (srfi srfi-1))
+                (for-each
+                 (lambda (p)
+                   (define source (first p))
+                   (define target (second p))
+                   (symlink source target))
+                 '(#$@(map
+                       (lambda (p)
+                         (list (fluidplug-plugin->origin p)
+                               (fluidplug-plugin->local-path p)))
+                       fluidplug-plugins)))))
+            (delete 'configure))))
+      (native-inputs
+       (list gnu-make p7zip pkg-config))
+      (inputs (list fluidsynth lv2))
+      (native-search-paths
+       (list (search-path-specification
+               (variable "LV2_PATH")
+               (files '("lib/lv2")))))
+      (synopsis
+       "SoundFonts as LV2 plugins via FluidSynth")
+      (description
+       "@code{FluidPlug} provides SoundFonts as LV2 plugins via FluidSynth.")
+      (home-page "https://github.com/falkTX/FluidPlug")
+      (license
+       (delete-duplicates
+        (map fluidplug-plugin-license fluidplug-plugins))))))
+
+(define (fluidplug-plugin->package record)
+  (package
+    (inherit fluidplug-lv2)
+    (name (fluidplug-plugin->package-name record))
+    (arguments
+     (substitute-keyword-arguments (package-arguments fluidplug-lv2)
+       ((#:make-flags make-flags)
+        #~(list (string-append "CC=" #$(cc-for-target))
+                (string-append "DESTDIR=" #$output)
+                "PREFIX="))
+       ((#:phases phases)
+        #~(modify-phases #$phases
+            (replace 'unpack-plugins
+              (lambda _
+                (symlink #$(fluidplug-plugin->origin record)
+                         #$(fluidplug-plugin->local-path record))))
+            (replace 'build
+              (lambda* (#:key make-flags #:allow-other-keys)
+                (apply invoke `("make" ,@make-flags
+                                #$(fluidplug-plugin-name record)))))
+            (replace 'install
+              (lambda _
+                (let* ((plugin-directory
+                        (string-append #$(fluidplug-plugin-name record)
+                                       ".lv2"))
+                       (lib (string-append #$output "/lib/lv2"))
+                       (share/doc (string-append #$output "/share/doc"))
+                       (plugin-lib (string-append lib "/" plugin-directory)))
+
+                  ;; Install plugin
+                  (for-each
+                   (lambda (f)
+                     (install-file f plugin-lib))
+                   (find-files plugin-directory
+                               "^.*\\.(sf2|so|ttl)$"))
+
+                  ;; Install license
+                  (for-each
+                   (lambda (f)
+                     (install-file f share/doc))
+                   (find-files plugin-directory "(README|License\\.pdf)"))
+
+                  ;; Install UI
+                  (copy-recursively (string-append plugin-directory "/modgui")
+                                    (string-append plugin-lib "/modgui")))))))))
+    (description
+     (string-append (package-description fluidplug-lv2) "
+
+This package provides the @code{" (fluidplug-plugin-name record)
+                    "} LV2 plugin."))
+    (license (fluidplug-plugin-license record))))
+
+(define fluidplug-airfont320-lv2
+  (fluidplug-plugin->package airfont320))
+
+(define fluidplug-avl-drumkits-perc-lv2
+  (fluidplug-plugin->package avl-drumkits-perc))
+
+(define fluidplug-black-pearl-4a-lv2
+  (fluidplug-plugin->package black-pearl-4a))
+
+(define fluidplug-black-pearl-4b-lv2
+  (fluidplug-plugin->package black-pearl-4b))
+
+(define fluidplug-black-pearl-5-lv2
+  (fluidplug-plugin->package black-pearl-5))
+
+(define fluidplug-red-zeppelin-4-lv2
+  (fluidplug-plugin->package red-zeppelin-4))
+
+(define fluidplug-red-zeppelin-5-lv2
+  (fluidplug-plugin->package red-zeppelin-5))
+
+(define fluidplug-fluidgm-lv2
+  (fluidplug-plugin->package fluidgm))
+
+(define fluidplug-fluidbass-lv2
+  (fluidplug-plugin->package fluidbass))
+
+(define fluidplug-fluidbrass-lv2
+  (fluidplug-plugin->package fluidbrass))
+
+(define fluidplug-fluidchromperc-lv2
+  (fluidplug-plugin->package fluidchromperc))
+
+(define fluidplug-fluiddrums-lv2
+  (fluidplug-plugin->package fluiddrums))
+
+(define fluidplug-fluidensemble-lv2
+  (fluidplug-plugin->package fluidensemble))
+
+(define fluidplug-fluidethnic-lv2
+  (fluidplug-plugin->package fluidethnic))
+
+(define fluidplug-fluidguitars-lv2
+  (fluidplug-plugin->package fluidguitars))
+
+(define fluidplug-fluidorgans-lv2
+  (fluidplug-plugin->package fluidorgans))
+
+(define fluidplug-fluidpercussion-lv2
+  (fluidplug-plugin->package fluidpercussion))
+
+(define fluidplug-fluidpianos-lv2
+  (fluidplug-plugin->package fluidpianos))
+
+(define fluidplug-fluidpipes-lv2
+  (fluidplug-plugin->package fluidpipes))
+
+(define fluidplug-fluidreeds-lv2
+  (fluidplug-plugin->package fluidreeds))
+
+(define fluidplug-fluidsoundfx-lv2
+  (fluidplug-plugin->package fluidsoundfx))
+
+(define fluidplug-fluidstrings-lv2
+  (fluidplug-plugin->package fluidstrings))
+
+(define fluidplug-fluidsynthfx-lv2
+  (fluidplug-plugin->package fluidsynthfx))
+
+(define fluidplug-fluidsynthleads-lv2
+  (fluidplug-plugin->package fluidsynthleads))
+
+(define fluidplug-fluidsynthpads-lv2
+  (fluidplug-plugin->package fluidsynthpads))