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;; Snarfed from David Wilson who I believe snarfed from Andrew Tropin.
(define-module (dthompson home pipewire)
#:use-module (guix build-system trivial)
#:use-module (guix packages)
#:use-module (gnu packages)
#:use-module (gnu packages bash)
#:use-module (gnu packages linux)
#:use-module (gnu services)
#:use-module (gnu services configuration)
#:use-module (gnu home services)
#:use-module (gnu home services shepherd)
#:use-module (guix gexp))
(define (home-pipewire-profile-service config)
(map specification->package
(list "pipewire"
"wireplumber")))
(define (home-pipewire-shepherd-service config)
(list
;; Start Pipewire daemon
(shepherd-service
(requirement '(dbus))
(provision '(pipewire))
(stop #~(make-kill-destructor))
(start #~(make-forkexec-constructor
(list #$(file-append pipewire "/bin/pipewire"))
#:log-file (string-append
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
(getenv "HOME")))
"/pipewire.log")
#:environment-variables
(append (list "DISABLE_RTKIT=1")
(default-environment-variables)))))
;; Start Pipewire PulseAudio module
(shepherd-service
(requirement '(pipewire))
(provision '(pipewire-pulse))
(stop #~(make-kill-destructor))
(start #~(make-forkexec-constructor
(list #$(file-append pipewire "/bin/pipewire-pulse"))
#:log-file (string-append
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
(getenv "HOME")))
"/pipewire-pulse.log")
#:environment-variables
(append (list "DISABLE_RTKIT=1")
(default-environment-variables)))))
;; Start Wireplumber session manager
(shepherd-service
(requirement '(pipewire))
(provision '(wireplumber))
(stop #~(make-kill-destructor))
(start #~(make-forkexec-constructor
(list #$(file-append wireplumber "/bin/wireplumber"))
#:log-file (string-append
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
(getenv "HOME")))
"/wireplumber.log")
#:environment-variables
(append (list "DISABLE_RTKIT=1")
(default-environment-variables)))))))
(define (home-pipewire-xdg-configuration-service config)
`(("alsa/asoundrc"
,(mixed-text-file
"asoundrc"
#~(string-append
"<"
#$(file-append
pipewire "/share/alsa/alsa.conf.d/50-pipewire.conf")
">\n<"
#$(file-append
pipewire "/share/alsa/alsa.conf.d/99-pipewire-default.conf")
">\n"
"
pcm_type.pipewire {
lib " #$(file-append pipewire "/lib/alsa-lib/libasound_module_pcm_pipewire.so")
"
}
ctl_type.pipewire {
lib " #$(file-append pipewire "/lib/alsa-lib/libasound_module_ctl_pipewire.so")
"
}
")))))
(define-public home-pipewire-service-type
(service-type (name 'home-pipewire)
(extensions
(list (service-extension
home-profile-service-type
home-pipewire-profile-service)
(service-extension
home-shepherd-service-type
home-pipewire-shepherd-service)
(service-extension
home-xdg-configuration-files-service-type
home-pipewire-xdg-configuration-service)))
(default-value #f)
(description "Configures and runs the Pipewire audio system.")))
(define-public (package-with-pw-jack pkg program)
(package
(name (package-name pkg))
(version (package-version pkg))
(source #f)
(build-system trivial-build-system)
(arguments
(list
#:modules '((guix build union)
(guix build utils))
#:builder
#~(begin
(use-modules (ice-9 match)
(guix build union)
(guix build utils))
(let* ((program (string-append #$output "/bin/" #$program))
(program* (string-append program ".real"))
(desktop (string-append #$output "/share/applications/"
#$program ".desktop")))
(union-build #$output (list #$pkg)
#:create-all-directories? #t)
(when (file-exists? desktop)
(substitute* desktop
(("Exec=.*")
(string-append "Exec=" program "\n"))))
(rename-file program program*)
(call-with-output-file program
(lambda (port)
(display "#!" port)
(display #$bash-minimal port)
(display "/bin/sh" port)
(newline port)
(display "exec " port)
(display #$pipewire port)
(display "/bin/pw-jack " port)
(display program* port)
(display " \"$@\"" port)
(newline port)))
(chmod program #x555)
#t))))
(synopsis (package-synopsis pkg))
(description (package-description pkg))
(home-page (package-home-page pkg))
(license (package-license pkg))))
(define-public (package-with-pw-wrapper pkg program)
(package
(name (package-name pkg))
(version (package-version pkg))
(source #f)
(build-system trivial-build-system)
(arguments
(list
#:modules '((guix build union)
(guix build utils))
#:builder
#~(begin
(use-modules (ice-9 match)
(guix build union)
(guix build utils))
(let* ((program (string-append #$output "/bin/" #$program))
(desktop (string-append #$output "/share/applications/"
#$program ".desktop"))
(pw-lib (string-append #$pipewire "/lib")))
(union-build #$output (list #$pkg)
#:create-all-directories? #t)
(when (file-exists? desktop)
(substitute* desktop
(("Exec=.*")
(string-append "Exec=" program "\n"))))
(wrap-program program
#:sh (string-append #$bash-minimal "/bin/sh")
`("LD_LIBRARY_PATH" ":" prefix (,pw-lib)))))))
(synopsis (package-synopsis pkg))
(description (package-description pkg))
(home-page (package-home-page pkg))
(license (package-license pkg))))
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