Subject: [bug#74251] [PATCH] Adding jack-mixer audio package

From: Divya Ranjan <[email-masked]>
Date: Fri, 8 Nov 2024 00:01:01 +0000

---
 gnu/packages/audio.scm | 68 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 467dc4a74f..70477d1071 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -79,6 +79,7 @@ (define-module (gnu packages audio)
   #:use-module (gnu packages check)
   #:use-module (gnu packages cdrom)
   #:use-module (gnu packages compression)
+  #:use-module (gnu packages commencement)
   #:use-module (gnu packages cpp)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages dbm)
@@ -160,6 +161,7 @@ (define-module (gnu packages audio)
   #:use-module (guix build-system python)
   #:use-module (guix build-system trivial)
   #:use-module (guix build-system waf)
+  #:use-module (guix build utils)
   #:use-module (guix download)
   #:use-module (guix gexp)
   #:use-module (guix git-download)
@@ -2772,6 +2774,72 @@ (define-public jacktrip
 audio signal streaming.")
     (license (list license:gpl3+ license:lgpl3 license:expat))))
 
+(define-public jack-mixer
+  (package
+    (name "jack-mixer")
+    (version "19")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/jack-mixer/jack_mixer")
+             (commit (string-append "release-" version))))
+       (sha256
+        (base32 "18m6a9asbwaslw418i2w04kgc6jgdpw01i3kawdqy903kw66hnhj"))))
+    (build-system meson-build-system)
+    (arguments
+     (list
+      #:build-type "release"
+      #:phases #~(modify-phases %standard-phases
+                   ;; Replaces hardcoded path with /gnu/store
+                   (add-after 'unpack 'path-patch
+                     (lambda _
+                       (substitute* '("meson.build")
+                         (("'/', 'etc', 'xdg'")
+                          (string-append "'"
+                                         #$output "'")))))
+
+                   ;; To wrap the paths for python and GTK
+                   (add-after 'install 'wrap-path
+                     (lambda* (#:key outputs #:allow-other-keys)
+                       (let* ((out (assoc-ref outputs "out"))
+                              (bin (string-append out "/bin/"))
+			      (gi-typelib-path (getenv "GI_TYPELIB_PATH"))
+                              (version #$(version-major+minor (package-version
+                                                               (this-package-input
+                                                                "python"))))
+                              (lib (string-append out "/lib/python" version
+                                                  "/site-packages")))
+                         (wrap-program (string-append bin "jack_mixer")
+                           `("GUIX_PYTHONPATH" ":" prefix
+                             (,(getenv "GUIX_PYTHONPATH") ,lib))
+			   `("GI_TYPELIB_PATH" ":" prefix (,gi-typelib-path)))))))))
+    (native-inputs
+     (list gcc-toolchain
+           pkg-config
+           python-cython
+           python-docutils
+           gnu-gettext
+           glib))
+    (propagated-inputs
+     (list gtk+
+	   `(,gtk+ "bin") ;; Required during runtime.
+	   python
+	   bash-minimal
+	   python-wrapper
+	   python-pygobject
+	   python-pycairo
+	   python-platformdirs ;; Required to save sessions.
+	   jack-2))
+    (synopsis
+     "JACK Mixer: A multi-channel audio mixer for the JACK Audio Connection Kit")
+    (description
+     "The jack_mixer is a GTK+ JACK audio mixer app with a look & handling
+similar to hardware mixing desks.  It has lot of useful features, apart
+from being able to mix multiple JACK audio streams.")
+    (home-page "https://rdio.space/jackmixer/")
+    (license license:gpl2+)))
+
 (define-public jalv
   (package
     (name "jalv")
-- 
2.46.0