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08/08: gnu: Add alsa-midi-latency-test.


From: guix-commits
Subject: 08/08: gnu: Add alsa-midi-latency-test.
Date: Tue, 19 Mar 2024 12:33:23 -0400 (EDT)

civodul pushed a commit to branch master
in repository guix.

commit b7eb1a8116b2caee7acf26fb963ae998fbdb4253
Author: Giacomo Leidi <goodoldpaul@autistici.org>
AuthorDate: Tue Mar 5 21:52:22 2024 +0100

    gnu: Add alsa-midi-latency-test.
    
    * gnu/packages/audio.scm (alsa-midi-latency-test): New variable.
    
    Change-Id: I35d3047cb997c5787de515a38ae0a0eb8f12600d
    Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/audio.scm | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 578a0bd016..d2a856d8ed 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -31,7 +31,7 @@
 ;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
 ;;; Copyright © 2020, 2021 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2020 Jonathan Frederickson <jonathan@terracrypt.net>
-;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
+;;; Copyright © 2020, 2024 Giacomo Leidi <goodoldpaul@autistici.org>
 ;;; Copyright © 2020, 2021, 2023 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2020 Michael Rohleder <mike@rohleder.de>
 ;;; Copyright © 2021 jgart <jgart@dismail.de>
@@ -261,6 +261,41 @@ softsynth library that can be used with other 
applications.")
       ;; Player.
       license:gpl3+))))
 
+(define-public alsa-midi-latency-test
+  (let ((version "0.0.5")
+        (revision "0")
+        (commit "07e43f8a1e6fd6d3bd97a00f2ee5afb74cb66f95"))
+    (package
+      (name "alsa-midi-latency-test")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/koppi/alsa-midi-latency-test";)
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "0b3xd4z7zx6mmh6q2q7wnyd0hzikny2cikwzhaab3q86b551vb9n"))))
+      (build-system gnu-build-system)
+      (arguments
+       (list
+        #:tests? #f                               ;there are no tests
+        #:phases #~(modify-phases %standard-phases
+                     (replace 'bootstrap
+                       (lambda _
+                         (invoke "sh" "./autogen.sh"))))))
+      (native-inputs (list automake autoconf libtool))
+      (inputs (list alsa-lib))
+      (synopsis "Measure the roundtrip time of MIDI messages")
+      (description
+       "@code{alsa-midi-latency-test} measures the roundtrip time of a MIDI
+message in the alsa subsystem of the Linux kernel using a high precision timer.
+It calculates the worst case roundtrip time of all sent MIDI messages and
+displays a histogram of the roundtrip time jitter.")
+      (home-page "https://github.com/koppi/alsa-midi-latency-test";)
+      (license license:gpl2+))))
+
 (define-public webrtc-audio-processing
   (package
     (name "webrtc-audio-processing")



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