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| -rw-r--r-- | gnu/packages/audio.scm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm index 826f14adac..1149b20ec0 100644 --- a/gnu/packages/audio.scm +++ b/gnu/packages/audio.scm @@ -446,6 +446,51 @@ high-pass filter by Robert Moog. The filters attempt to accurately emulate the non-linear circuit elements of their original analog counterparts.") (license license:gpl2+))) +(define-public vco-plugins + (package + (name "vco-plugins") + (version "0.3.0") + (source (origin + (method url-fetch) + (uri (string-append + "http://kokkinizita.linuxaudio.org" + "/linuxaudio/downloads/VCO-plugins-" + version ".tar.bz2")) + (sha256 + (base32 + "1xzqdg3b07r7zww05y9bb737l9dxvfkv28m3fyak1aazaci3rsgl")))) + (build-system gnu-build-system) + (arguments + `(#:tests? #f ; no "check" target + #:phases + (modify-phases %standard-phases + ;; no configure script + (delete 'configure) + (add-before 'install 'prepare-target-directory + (lambda* (#:key outputs #:allow-other-keys) + (mkdir-p (string-append (assoc-ref outputs "out") "/lib/ladspa")) + #t)) + (add-after 'unpack 'override-target-directory + (lambda* (#:key outputs #:allow-other-keys) + (substitute* "Makefile" + (("/usr") (assoc-ref outputs "out")) + (("/bin/cp") (which "cp"))) + #t))))) + (home-page "http://kokkinizita.linuxaudio.org") + (synopsis "LADSPA plugin for synthesizer oscillators") + (description + "The @code{blvco} LADSPA plugin provides three anti-aliased oscillators: + +@enumerate +@item Pulse-VCO, a dirac pulse oscillator with flat amplitude spectrum +@item Saw-VCO, a sawtooth oscillator with 1/F amplitude spectrum +@item Rec-VCO, a square / rectange oscillator +@end enumerate\n + +All oscillators are low-pass filtered to provide waveforms similar to the +output of analog synthesizers such as the Moog Voyager.") + (license license:gpl2+))) + (define-public fluidsynth (package (name "fluidsynth") |