@@ 3171,3 3171,37 @@ MuseScore can also play back scores through the built-in sequencer and SoundFont
sample library.")
(home-page "https://musescore.org")
(license license:gpl2)))
+
+(define-public dssi
+ (package
+ (name "dssi")
+ (version "1.1.1")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append
+ "mirror://sourceforge/dssi/dssi/" version
+ "/dssi-" version ".tar.gz"))
+ (sha256
+ (base32
+ "0kl1hzhb7cykzkrqcqgq1dk4xcgrcxv0jja251aq4z4l783jpj7j"))))
+ (build-system gnu-build-system)
+ (inputs
+ `(("alsa-lib" ,alsa-lib)
+ ("jack-2" ,jack-2)
+ ("ladspa" ,ladspa)
+ ("libsamplerate" ,libsamplerate)
+ ("libsndfile" ,libsndfile)
+ ("liblo" ,liblo)))
+ (native-inputs
+ `(("pkg-config" ,pkg-config)))
+ (synopsis "Audio plugin API for soft synths and effects")
+ (description "DSSI is a plugin API for software instruments with user
+interfaces, permitting them to be hosted in-process by audio applications.
+It is intended to be simple, GUI-toolkit-agnostic, and slightly biased
+towards familiarity with MIDI. The DSSI distribution package contains
+a JACK/ALSA-sequencer reference host and some plugins as well as the
+specification and header.")
+ (home-page "http://dssi.sourceforge.net/")
+ ;; The DSSI interface is LGPL2.1+, some tests and examples are GPL2+.
+ ;; The vast majority of examples are in the public domain.
+ (license (list license:lgpl2.1+ license:gpl2+))))