Re: [PATCH] gnu: Add alsa-plugins.

[Kei Kebreau]

ng0 <address@hidden> writes:

> * gnu/packages/linux.scm (alsa-plugins): New variable.
> ---
>  gnu/packages/linux.scm | 63 
> ++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
>
> diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
> index 8f0a9ab..3b20c95 100644
> --- a/gnu/packages/linux.scm
> +++ b/gnu/packages/linux.scm
> @@ -15,6 +15,7 @@
>  ;;; Copyright © 2016 Ricardo Wurmus <address@hidden>
>  ;;; Copyright © 2016 David Craven <address@hidden>
>  ;;; Copyright © 2016 John Darrington <address@hidden>
> +;;; Copyright © 2016 ng0 <address@hidden>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -69,6 +70,8 @@
>    #:use-module (gnu packages slang)
>    #:use-module (gnu packages texinfo)
>    #:use-module (gnu packages tls)
> +  #:use-module (gnu packages video)
> +  #:use-module (gnu packages xiph)
>    #:use-module (gnu packages xml)
>    #:use-module (gnu packages xdisorg)
>    #:use-module (gnu packages xorg)
> @@ -869,6 +872,66 @@ MIDI functionality to the Linux-based operating system.")
>      ;; GPLv2-only.
>      (license license:gpl2)))
>  
> +(define-public alsa-plugins
> +  (package
> +    (name "alsa-plugins")
> +    (version "1.1.1")
> +    (source (origin
> +             (method url-fetch)
> +             (uri (string-append "ftp://ftp.alsa-project.org/pub/plugins/";
> +                                 name "-" version ".tar.bz2"))
> +             (sha256
> +              (base32
> +               "1w81z5jlwqhd1l2m7qrq69lc4k9dnrg1wn52jsl2hrf3hbhd394f"))))
> +    (build-system gnu-build-system)
> +    ;; TODO: Split libavcodec and speex if possible. It looks like they can 
> not
> +    ;; be split, there are references to both in files.
> +    ;; TODO: Remove OSS related plugins, they add support to run native
> +    ;; ALSA applications on OSS however we do not offer OSS and OSS is
> +    ;; obsolete.
> +    (outputs '("out" "pulseaudio"))
> +    (arguments
> +     `(#:phases
> +       (modify-phases %standard-phases
> +         (add-after 'install 'split
> +           (lambda* (#:key inputs outputs #:allow-other-keys)
> +             ;; Distribute the binaries to the various outputs.
> +             (let* ((out (assoc-ref outputs "out"))
> +                    (outlib (string-append out "/lib/alsa-lib"))
> +                    (outconf (string-append out "/share/alsa/alsa.conf.d"))
> +                    (pua (assoc-ref outputs "pulseaudio"))
> +                    (pualib (string-append pua "/lib/alsa-lib"))
> +                    (puaconf (string-append pua "/share/alsa/alsa.conf.d")))
> +               (mkdir-p puaconf)
> +               (mkdir-p pualib)
> +               (for-each (lambda (file)
> +                           (rename-file file (string-append puaconf "/" 
> file)))
> +                         (find-files out ".*\\.(conf|example)"))
> +               (for-each (lambda (file)
> +                           (rename-file file (string-append pualib "/" 
> file)))
> +                         (find-files out ".*pulse\\.(la|so)"))
> +               (delete-file-recursively (string-append out "/share")))
> +             #t)))))

"find-files" is returning the entire path to the files, so "rename-file"
sees the files' destination as
"/gnu/store/.../gnu/store...destination-file". You need to adjust
find-files accordingly, perhaps by changing into the directory to be
copied from first and then calling "find-files" from the current
directory ".". Hope that makes sense. :-)

> +    (inputs
> +     `(("alsa-lib" ,alsa-lib)
> +       ("speex" ,speex) ; libspeexdsp resampling plugin
> +       ("libsamplerate" ,libsamplerate) ; libsamplerate resampling plugin
> +       ("ffmpeg" ,ffmpeg) ; libavcodec resampling plugin, a52 plugin
> +       ("pulseaudio" ,pulseaudio))) ; PulseAudio plugin
> +    (native-inputs
> +     `(("pkg-config" ,pkg-config)))
> +    (home-page "http://www.alsa-project.org/";)
> +    (synopsis "Plugins for the Advanced Linux Sound Architecture (ALSA)")
> +    (description
> +     "The Advanced Linux Sound Architecture (ALSA) provides audio and
> +MIDI functionality to the Linux-based operating system.  This package 
> enhances ALSA
> +by providing additional plugins which include: upmixing, downmixing, jackd 
> and
> +pulseaudio support for native alsa applications, format conversion (s16 to 
> a52), and
> +external rate conversion.")
> +    (license (list license:gpl2+
> +                   ;; `rate/rate_samplerate.c': LGPL v2.1 or later.
> +                   license:lgpl2.1+))))
> +
>  (define-public iptables
>    (package
>      (name "iptables")

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