;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; 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 audio)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system waf)
  #:use-module (gnu packages)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages glib) ;dbus
  #:use-module (gnu packages linux)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages pulseaudio)  ;libsndfile, libsamplerate
  #:use-module (gnu packages python)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages xml))

(define-public aubio
  (package
    (name "aubio")
    (version "0.4.1")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "http://aubio.org/pub/aubio-" version ".tar.bz2"))
             (sha256
              (base32
               "15f6nf76y7iyl2kl4ny7ky0zpxfxr8j3902afvd6ydnnkh5dzmr5"))))
    (build-system waf-build-system)
    (arguments
     `(#:tests? #f  ; no check target
       #:configure-flags
       '("--enable-fftw3f"
         "--enable-jack"
         "--enable-sndfile"
         "--enable-samplerate"
         ;; enable compilation with avcodec once available
         "--disable-avcodec")
       #:python ,python-2))
    (inputs
     `(("jack" ,jack-1)
       ("libuuid" ,util-linux)
       ("libsndfile" ,libsndfile)
       ("libsamplerate" ,libsamplerate)
       ("fftwf" ,fftwf)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (home-page "http://aubio.org/")
    (synopsis "A library for audio labelling")
    (description
     "aubio is a tool designed for the extraction of annotations from audio
signals.  Its features include segmenting a sound file before each of its
attacks, performing pitch detection, tapping the beat and producing midi
streams from live audio.")
    (license license:gpl3+)))

(define-public jack-1
  (package
    (name "jack")
    (version "0.124.1")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "http://jackaudio.org/downloads/jack-audio-connection-kit-"
                   version
                   ".tar.gz"))
             (sha256
              (base32
               "1mk1wnx33anp6haxfjjkfhwbaknfblsvj35nxvz0hvspcmhdyhpb"))))
    (build-system gnu-build-system)
    (inputs
     `(("bdb" ,bdb)
       ("libuuid" ,util-linux)))
    (home-page "http://jackaudio.org/")
    (synopsis "JACK audio connection kit")
    (description
     "JACK is a low-latency audio server.  It can connect a number of
different applications to an audio device, as well as allowing them to share
audio between themselves.  JACK is different from other audio server efforts
in that it has been designed from the ground up to be suitable for
professional audio work.  This means that it focuses on two key areas:
synchronous execution of all clients, and low latency operation.")
    ;; Most files are licensed under the GPL. However, the libjack/ tree is
    ;; licensed under the LGPL in order to allow for proprietary usage.
    (license '(license:gpl2+ license:lgpl2.1+))))

(define-public jack-2
  (package (inherit jack-1)
    (name "jack")
    (version "1.9.10")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "https://github.com/jackaudio/jack2/archive/v"
                   version
                   ".tar.gz"))
             (sha256
              (base32
               "03b0iiyk3ng3vh5s8gaqwn565vik7910p56mlbk512bw3dhbdwc8"))))
    (build-system waf-build-system)
    (arguments
     `(#:tests? #f  ; no check target
       #:configure-flags '("--dbus"
                           "--alsa")))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("dbus" ,dbus)
       ("expat" ,expat)
       ("libsamplerate" ,libsamplerate)
       ("opus" ,opus)
       ("readline" ,readline)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    ;; Most files are under GPLv2+, but some headers are under LGPLv2.1+
    (license '(license:gpl2+ license:lgpl2.1+))))

(define-public liblo
  (package
    (name "liblo")
    (version "0.28")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "mirror://sourceforge/liblo/liblo-"
                   version
                   ".tar.gz"))
             (sha256
              (base32
               "02drgnpirvl2ihvzgsmn02agr5sj3vipzzw9vma56qlkgfvak56s"))))
    (build-system gnu-build-system)
    (arguments
     `(;; liblo test FAILED
       ;; liblo server error 19 in setsockopt(IP_ADD_MEMBERSHIP): No such device
       #:tests? #f))
    (home-page "http://liblo.sourceforge.net")
    (synopsis "Implementation of the Open Sound Control protocol")
    (description
     "liblo is a lightweight library that provides an easy to use
implementation of the Open Sound Control (OSC) protocol.")
    (license license:lgpl2.1+)))

(define-public lv2
  (package
    (name "lv2")
    (version "1.10.0")
    (source (origin
             (method url-fetch)
             (uri (string-append "http://lv2plug.in/spec/lv2-"
                                 version
                                 ".tar.bz2"))
             (sha256
              (base32
               "1md41x9snrp4mcfyli7lyfpvcfa78nfy6xkdy84kppnl8m5qw378"))))
    (build-system waf-build-system)
    (arguments
     `(#:tests? #f  ; no check target
       #:configure-flags '("--lv2-system")))
    (inputs
     ;; Leaving off cairo and gtk+-2.0 which are needed for example plugins
     `(("libsndfile" ,libsndfile)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (home-page "http://lv2plug.in/")
    (synopsis "LV2 audio plugin standard")
    (description
     "LV2 is an open standard for audio plugins and host applications.  At its
core, LV2 is a simple stable interface, accompanied by extensions which add
functionality to support the needs of increasingly powerful audio software.")
    (license license:isc)))

(define-public serd
  (package
    (name "serd")
    (version "0.20.0")
    (source (origin
             (method url-fetch)
             (uri (string-append "http://download.drobilla.net/serd-"
                                 version
                                 ".tar.bz2"))
             (sha256
              (base32
               "1gxbzqsm212wmn8qkdd3lbl6wbv7fwmaf9qh2nxa4yxjbr7mylb4"))))
    (build-system waf-build-system)
    (arguments `(#:tests? #f)) ; no check target
    (home-page "http://drobilla.net/software/serd/")
    (synopsis "Library for RDF syntax supporting Turtle and NTriples")
    (description
     "Serd is a lightweight C library for RDF syntax which supports reading
and writing Turtle and NTriples.  Serd is not intended to be a swiss-army
knife of RDF syntax, but rather is suited to resource limited or performance
critical applications (e.g. converting many gigabytes of NTriples to Turtle),
or situations where a simple reader/writer with minimal dependencies is
ideal (e.g. in LV2 implementations or embedded applications).")
    (license license:isc)))