gnu/packages/gstreamer.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
   3 ;;; Copyright © 2014 John Darrington <jmd@gnu.org>
   4 ;;; Copyright © 2015, 2016 Sou Bunnbu <iyzsong@gmail.com>
   5 ;;; Copyright © 2015, 2018 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
   7 ;;; Copyright © 2016, 2018 Leo Famulari <leo@famulari.name>
   8 ;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
   9 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
  10 ;;; Copyright © 2019, 2020 Marius Bakke <mbakke@fastmail.com>
  11 ;;;
  12 ;;; This file is part of GNU Guix.
  13 ;;;
  14 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  15 ;;; under the terms of the GNU General Public License as published by
  16 ;;; the Free Software Foundation; either version 3 of the License, or (at
  17 ;;; your option) any later version.
  18 ;;;
  19 ;;; GNU Guix is distributed in the hope that it will be useful, but
  20 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;;; GNU General Public License for more details.
  23 ;;;
  24 ;;; You should have received a copy of the GNU General Public License
  25 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 (define-module (gnu packages gstreamer)
  28   #:use-module ((guix licenses) #:prefix license:)
  29   #:use-module (guix packages)
  30   #:use-module (guix download)
  31   #:use-module (guix build-system gnu)
  32   #:use-module (guix build-system meson)
  33   #:use-module (guix utils)
  34   #:use-module (gnu packages)
  35   #:use-module (gnu packages audio)
  36   #:use-module (gnu packages bison)
  37   #:use-module (gnu packages cdrom)
  38   #:use-module (gnu packages curl)
  39   #:use-module (gnu packages compression)
  40   #:use-module (gnu packages flex)
  41   #:use-module (gnu packages freedesktop)
  42   #:use-module (gnu packages gl)
  43   #:use-module (gnu packages glib)
  44   #:use-module (gnu packages gnome)
  45   #:use-module (gnu packages gnupg)
  46   #:use-module (gnu packages graphics)
  47   #:use-module (gnu packages gtk)
  48   #:use-module (gnu packages image)
  49   #:use-module (gnu packages libusb)
  50   #:use-module (gnu packages linux)
  51   #:use-module (gnu packages mp3)
  52   #:use-module (gnu packages ncurses)
  53   #:use-module (gnu packages perl)
  54   #:use-module (gnu packages pulseaudio)
  55   #:use-module (gnu packages qt)
  56   #:use-module (gnu packages rdf)
  57   #:use-module (gnu packages video)
  58   #:use-module (gnu packages xorg)
  59   #:use-module (gnu packages xiph)
  60   #:use-module (gnu packages pkg-config)
  61   #:use-module (gnu packages python)
  62   #:use-module (gnu packages ssh)
  63   #:use-module (gnu packages telephony)
  64   #:use-module (gnu packages tls)
  65   #:use-module (gnu packages version-control)
  66   #:use-module (gnu packages assembly)
  67   #:use-module (gnu packages xml))
  68
  69 (define-public orc
  70   (package
  71     (name "orc")
  72     (version "0.4.31")
  73     (source (origin
  74               (method url-fetch)
  75               (uri (string-append "https://gstreamer.freedesktop.org/data/src/"
  76                                   "orc/orc-" version ".tar.xz"))
  77               (sha256
  78                (base32
  79                 "0xb0c7q3xv1ldmz5ipybazb01gy3cijj8622dcx7rbm9lq85zax0"))))
  80     (build-system meson-build-system)
  81     (arguments
  82      `(#:phases
  83        (modify-phases %standard-phases
  84          (add-after 'unpack 'disable-faulty-test
  85            (lambda _
  86              ;; XXX Disable the 'test-limits' and 'exec_opcodes_sys'
  87              ;; tests, which fail on some machines.  See:
  88              ;; https://bugzilla.gnome.org/show_bug.cgi?id=735273
  89              (substitute* '("testsuite/test-limits.c"
  90                             "testsuite/exec_opcodes_sys.c")
  91                (("if \\(error\\) return 1;")
  92                 "if (error) return 77;"))
  93              #t)))))
  94     (native-inputs
  95      `(("gtk-doc" ,gtk-doc)))
  96     (home-page "https://gstreamer.freedesktop.org/modules/orc.html")
  97     (synopsis "Oil runtime compiler")
  98     (description
  99      "Orc is a just-in-time compiler implemented as a library and set of
 100 associated tools for compiling and executing simple programs that operate on
 101 arrays of data.")
 102     ;; The source code implementing the Marsenne Twister algorithm is licensed
 103     ;; under the 3-clause BSD license, the rest is under 2-clause BSD license.
 104     (license (list license:bsd-2 license:bsd-3))))
 105
 106 (define-public gstreamer
 107   (package
 108     (name "gstreamer")
 109     (version "1.16.2")
 110     (source
 111      (origin
 112       (method url-fetch)
 113       (uri (string-append
 114             "https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-"
 115             version ".tar.xz"))
 116       (sha256
 117        (base32
 118         "0kp93622y29pck8asvil1fmzf55s2gx76wv475a6izc3cwj49w73"))))
 119     (build-system meson-build-system)
 120     (outputs '("out" "doc"))
 121     (arguments
 122      `(#:phases
 123        (modify-phases %standard-phases
 124          ;; FIXME: Since switching to the meson-build-system, two tests
 125          ;; started failing on i686.  See
 126          ;; <https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/499>.
 127          ,@(if (string-prefix? "i686" (or (%current-target-system)
 128                                           (%current-system)))
 129                `((add-after 'unpack 'disable-some-tests
 130                    (lambda _
 131                      (substitute* "tests/check/gst/gstsystemclock.c"
 132                        (("tcase_add_test \\(tc_chain, test_stress_cleanup_unschedule.*")
 133                         "")
 134                        (("tcase_add_test \\(tc_chain, test_stress_reschedule.*")
 135                       ""))
 136                      #t)))
 137                '())
 138          (add-after 'install 'move-docs
 139            (lambda* (#:key outputs #:allow-other-keys)
 140              (let ((out (assoc-ref outputs "out"))
 141                    (doc (assoc-ref outputs "doc")))
 142                (mkdir-p (string-append doc "/share"))
 143                (copy-recursively (string-append out "/share/gtk-doc")
 144                                  (string-append doc "/share/gtk-doc"))
 145                (delete-file-recursively (string-append out "/share/gtk-doc"))
 146                #t))))))
 147     (propagated-inputs `(("glib" ,glib))) ; required by gstreamer-1.0.pc.
 148     (native-inputs
 149      `(("bison" ,bison)
 150        ("flex" ,flex)
 151        ("glib" ,glib "bin")
 152        ("gobject-introspection" ,gobject-introspection)
 153        ("gtk-doc" ,gtk-doc)
 154        ("perl" ,perl)
 155        ("pkg-config" ,pkg-config)
 156        ("python-wrapper" ,python-wrapper)))
 157     (native-search-paths
 158      (list (search-path-specification
 159             (variable "GST_PLUGIN_SYSTEM_PATH")
 160             (files '("lib/gstreamer-1.0")))))
 161     (home-page "https://gstreamer.freedesktop.org/")
 162     (synopsis "Multimedia library")
 163     (description
 164      "GStreamer is a library for constructing graphs of media-handling
 165 components.  The applications it supports range from simple Ogg/Vorbis
 166 playback, audio/video streaming to complex audio mixing and video
 167 non-linear editing.
 168
 169 Applications can take advantage of advances in codec and filter technology
 170 transparently.  Developers can add new codecs and filters by writing a
 171 simple plugin with a clean, generic interface.
 172
 173 This package provides the core library and elements.")
 174     (license license:lgpl2.0+)))
 175
 176 (define-public gst-plugins-base
 177   (package
 178     (name "gst-plugins-base")
 179     (version "1.16.2")
 180     (source
 181      (origin
 182       (method url-fetch)
 183       (uri (string-append "https://gstreamer.freedesktop.org/src/" name "/"
 184                           name "-" version ".tar.xz"))
 185       (sha256
 186        (base32
 187         "0sl1hxlyq46r02k7z70v09vx1gi4rcypqmzra9jid93lzvi76gmi"))))
 188     (build-system meson-build-system)
 189     (propagated-inputs
 190      `(("glib" ,glib)              ;required by gstreamer-sdp-1.0.pc
 191        ("gstreamer" ,gstreamer)    ;required by gstreamer-plugins-base-1.0.pc
 192
 193        ;; XXX: Do not enable Orc optimizations on ARM systems because
 194        ;; it leads to two test failures.
 195        ;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/issues/683
 196        ,@(if (string-prefix? "arm" (or (%current-target-system)
 197                                        (%current-system)))
 198              '()
 199              `(("orc" ,orc)))))         ;required by gstreamer-audio-1.0.pc
 200     (inputs
 201      `(("cdparanoia" ,cdparanoia)
 202        ("pango" ,pango)
 203        ("libogg" ,libogg)
 204        ("libtheora" ,libtheora)
 205        ("libvorbis" ,libvorbis)
 206        ("libx11" ,libx11)
 207        ("zlib" ,zlib)
 208        ("libXext" ,libxext)
 209        ("libxv" ,libxv)
 210        ("alsa-lib" ,alsa-lib)
 211        ;; XXX Don't build with opus on 32-bit systems:
 212        ;; <https://bugs.gnu.org/32360>
 213        ,@(if (target-64bit?)
 214              `(("opus" ,opus))
 215              '())))
 216     (native-inputs
 217       `(("pkg-config" ,pkg-config)
 218         ("glib:bin" ,glib "bin")
 219         ("gobject-introspection" ,gobject-introspection)
 220         ("python-wrapper" ,python-wrapper)))
 221     (arguments
 222      '(#:configure-flags '("-Dgl=disabled"
 223                            ;; FIXME: Documentation fails to build without
 224                            ;; enabling GL above, which causes other problems.
 225                            "-Ddoc=false")
 226        #:phases
 227        (modify-phases %standard-phases
 228          (add-before 'configure 'patch
 229            (lambda _
 230              (substitute* "tests/check/libs/pbutils.c"
 231                (("/bin/sh") (which "sh")))
 232              #t)))))
 233     (home-page "https://gstreamer.freedesktop.org/")
 234     (synopsis
 235      "Plugins for the GStreamer multimedia library")
 236     (description "This package provides an essential exemplary set of plug-ins
 237 for the GStreamer multimedia library.")
 238     (license license:lgpl2.0+)))
 239
 240 (define-public gst-plugins-good
 241   (package
 242     (name "gst-plugins-good")
 243     (version "1.16.2")
 244     (source
 245      (origin
 246       (method url-fetch)
 247       (uri (string-append
 248             "https://gstreamer.freedesktop.org/src/" name "/"
 249             name "-" version ".tar.xz"))
 250       (sha256
 251        (base32
 252         "068k3cbv1yf3gbllfdzqsg263kzwh21y8dpwr0wvgh15vapkpfs0"))))
 253     (build-system meson-build-system)
 254     (inputs
 255      `(("aalib" ,aalib)
 256        ("cairo" ,cairo)
 257        ("flac" ,flac)
 258        ("gdk-pixbuf" ,gdk-pixbuf)
 259        ("gst-plugins-base" ,gst-plugins-base)
 260        ("gtk+" ,gtk+)
 261        ("jack" ,jack-1)
 262        ("lame" ,lame)
 263        ("libavc1394" ,libavc1394)
 264        ("libcaca" ,libcaca)
 265        ("libdv" ,libdv)
 266        ("libiec61883" ,libiec61883)
 267        ("libjpeg" ,libjpeg)
 268        ("libpng" ,libpng)
 269        ("libshout" ,libshout)
 270        ("libsoup" ,libsoup)
 271        ("libvpx" ,libvpx)
 272        ("mpg123" ,mpg123)
 273        ("orc" ,orc)
 274        ("pulseaudio" ,pulseaudio)
 275        ("speex" ,speex)
 276        ("taglib" ,taglib)
 277        ("twolame" ,twolame)
 278        ("wavpack" ,wavpack)))
 279     (native-inputs
 280      `(("glib:bin" ,glib "bin")
 281        ("pkg-config" ,pkg-config)
 282        ("python-wrapper" ,python-wrapper)))
 283     (arguments
 284      `(#:phases
 285        (modify-phases %standard-phases
 286          ,@(if (string-prefix? "arm" (or (%current-target-system)
 287                                          (%current-system)))
 288                ;; FIXME: These tests started failing on armhf after switching to Meson.
 289                ;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/issues/689
 290                `((add-after 'unpack 'disable-tests-for-armhf
 291                    (lambda _
 292                      (substitute* "tests/check/elements/rtpbin_buffer_list.c"
 293                        (("tcase_add_test \\(tc_chain, test_bufferlist\\);")
 294                         ""))
 295                      (substitute* "tests/check/elements/rtpulpfec.c"
 296                        (("tcase_add_loop_test.*rtpulpfecdec_recovered_from_many.*")
 297                         "")
 298                        (("tcase_add.*rtpulpfecdec_recovered_using_recovered_packet.*")
 299                         ""))
 300                      #t)))
 301                '())
 302          (add-after
 303           'unpack 'disable-failing-tests
 304           (lambda _
 305             ;; Disable tests that fail non-deterministically.
 306             ;; This test fails on aarch64 on 1.12.x.
 307             (substitute* "tests/check/elements/alpha.c"
 308               (("tcase_add_test \\(tc_chain, test_chromakeying\\);" all)
 309                (string-append "/* " all " */")))
 310             #t)))))
 311     (home-page "https://gstreamer.freedesktop.org/")
 312     (synopsis
 313      "Plugins for the GStreamer multimedia library")
 314     (description "GStreamer Good Plug-ins is a set of plug-ins for the
 315 GStreamer multimedia library.  This set contains those plug-ins which the
 316 developers consider to have good quality code and correct functionality.")
 317     (license license:lgpl2.0+)))
 318
 319 (define-public gst-plugins-bad
 320   (package
 321     (name "gst-plugins-bad")
 322     (version "1.16.2")
 323     (source (origin
 324               (method url-fetch)
 325               (uri (string-append "https://gstreamer.freedesktop.org/src/"
 326                                   name "/" name "-" version ".tar.xz"))
 327               (sha256
 328                (base32
 329                 "0x0y0hm0ga3zqi5q4090hw5sjh59y1ry9ak16qsaascm72i7mjzi"))))
 330     (build-system meson-build-system)
 331     (arguments
 332      `(#:phases
 333        (modify-phases %standard-phases
 334          ,@(if (string-prefix? "arm" (or (%current-target-system)
 335                                          (%current-system)))
 336                ;; Disable test that fails on ARMv7.
 337                ;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/1188
 338                `((add-after 'unpack 'disable-asfmux-test
 339                    (lambda _
 340                      (substitute* "tests/check/meson.build"
 341                        (("\\[\\['elements/asfmux\\.c'\\]\\],")
 342                         ""))
 343                      #t)))
 344                '())
 345          (add-after 'unpack 'disable-failing-test
 346            (lambda _
 347              ;; FIXME: Why is this failing.
 348              (substitute* "tests/check/meson.build"
 349                ((".*elements/dash_mpd\\.c.*")
 350                 ""))
 351              #t)))))
 352     (propagated-inputs
 353      `(("gst-plugins-base" ,gst-plugins-base)))
 354     (native-inputs
 355      `(("glib:bin" ,glib "bin") ; for glib-mkenums, etc.
 356        ("gobject-introspection" ,gobject-introspection)
 357        ;; TODO: Enable documentation for 1.18.
 358        ;;("gtk-doc" ,gtk-doc)
 359        ("pkg-config" ,pkg-config)
 360        ("python" ,python)))
 361     (inputs
 362      ;; XXX: The following dependencies are missing:
 363      ;;  vo-amrwbenc, vo-aacenc, bs2b, chromaprint, directfb, daala, libdts,
 364      ;;  faac, flite, libgsm, libde265, libmms, libmimic, mjpegtools,
 365      ;;  mpeg2enc, libofa, opencv, openh264, openni2, libtimemmgr, wildmidi,
 366      ;;  openspc, gme, sbc, schroedinger, zbar, librtmp, spandsp
 367      `(("bluez" ,bluez)
 368        ("curl" ,curl)
 369        ("faad2" ,faad2)
 370        ("fluidsynth" ,fluidsynth)
 371        ("gtk+" ,gtk+)
 372        ("ladspa" ,ladspa)
 373        ("libass" ,libass)
 374        ("libdvdnav" ,libdvdnav)
 375        ("libdvdread" ,libdvdread)
 376        ("libgcrypt" ,libgcrypt)
 377        ("libgudev" ,libgudev)
 378        ("libkate" ,libkate)
 379        ("libmodplug" ,libmodplug)
 380        ("librsvg" ,librsvg)
 381        ("libsndfile" ,libsndfile)
 382        ("libsrtp" ,libsrtp)
 383        ("libssh2" ,libssh2)
 384        ("libusb" ,libusb)
 385        ("libvdpau" ,libvdpau)
 386        ("libwebp" ,libwebp)
 387        ("libxml2" ,libxml2)
 388        ("lrdf" ,lrdf)
 389        ("mesa" ,mesa)
 390        ("neon" ,neon)
 391        ("openal" ,openal)
 392        ("openexr" ,openexr)
 393        ("openjpeg" ,openjpeg)
 394        ("openssl" ,openssl)
 395        ("opus" ,opus)
 396        ("orc" ,orc)
 397        ;("qtbase" ,qtbase)
 398        ;("qtdeclarative" ,qtdeclarative)
 399        ;("qtx11extras" ,qtx11extras)
 400        ("soundtouch" ,soundtouch)
 401        ("x265" ,x265)
 402        ("wayland" ,wayland)))
 403     (home-page "https://gstreamer.freedesktop.org/")
 404     (synopsis "Plugins for the GStreamer multimedia library")
 405     (description
 406      "GStreamer Bad Plug-ins is a set of plug-ins whose quality aren't up to
 407 par compared to the rest.")
 408     (license license:lgpl2.0+)))
 409
 410 (define-public gst-plugins-ugly
 411   (package
 412     (name "gst-plugins-ugly")
 413     (version "1.16.2")
 414     (source
 415      (origin
 416        (method url-fetch)
 417        (uri (string-append "https://gstreamer.freedesktop.org/src/"
 418                            name "/" name "-" version ".tar.xz"))
 419        (sha256
 420         (base32
 421          "1jpvc32x6q01zjkfgh6gmq6aaikiyfwwnhj7bmvn52syhrdl202m"))))
 422     (build-system meson-build-system)
 423     (inputs
 424      `(("gst-plugins-base" ,gst-plugins-base)
 425        ("liba52" ,liba52)
 426        ("libcdio" ,libcdio)
 427        ("libmpeg2" ,libmpeg2)
 428        ("libdvdread" ,libdvdread)
 429        ("libx264" ,libx264)
 430        ;; TODO:
 431        ;; * opencore-amr (for the AMR-NB decoder and encoder and the
 432        ;;   AMR-WB decoder) <http://sourceforge.net/projects/opencore-amr/>
 433        ("orc" ,orc)))
 434     (native-inputs
 435      `(("glib:bin" ,glib "bin")
 436        ("pkg-config" ,pkg-config)
 437        ("python-wrapper" ,python-wrapper)))
 438     (home-page "https://gstreamer.freedesktop.org/")
 439     (synopsis "GStreamer plugins from the \"ugly\" set")
 440     (description "GStreamer Ugly Plug-ins.  This set contains those plug-ins
 441 which the developers consider to have good quality code but that might pose
 442 distribution problems in some jurisdictions, e.g. due to patent threats.")
 443     (license license:lgpl2.0+)))
 444
 445 (define-public gst-libav
 446   (package
 447     (name "gst-libav")
 448     (version "1.16.2")
 449     (source (origin
 450               (method url-fetch)
 451               (uri (string-append
 452                     "https://gstreamer.freedesktop.org/src/" name "/"
 453                     name "-" version ".tar.xz"))
 454               (sha256
 455                (base32
 456                 "1wpfilc98bad9nsv3y1qapxp35dvn2mvwvrmqwrsj58cf09gc967"))
 457               (modules '((guix build utils)))
 458               (snippet
 459                '(begin
 460                   ;; Drop bundled ffmpeg.
 461                   (delete-file-recursively "gst-libs/ext/libav")
 462                   #t))))
 463     (build-system meson-build-system)
 464     (native-inputs
 465      `(("pkg-config" ,pkg-config)
 466        ("python" ,python)))
 467     (inputs
 468      `(("gst-plugins-base" ,gst-plugins-base)
 469        ("ffmpeg" ,ffmpeg)
 470        ("orc" ,orc)
 471        ("zlib" ,zlib)))
 472     (home-page "https://gstreamer.freedesktop.org/")
 473     (synopsis "Plugins for the GStreamer multimedia library")
 474     (description
 475      "This GStreamer plugin supports a large number of audio and video
 476 compression formats through the use of the libav library.")
 477     (license license:gpl2+)))
 478
 479 (define-public python-gst
 480   (package
 481     (name "python-gst")
 482     (version "1.16.2")
 483     (source (origin
 484               (method url-fetch)
 485               (uri (string-append
 486                     "https://gstreamer.freedesktop.org/src/gst-python/"
 487                     "gst-python-" version ".tar.xz"))
 488               (sha256
 489                (base32
 490                 "1a48ca66izmm8hnp608jv5isg3jxb0vlfmhns0bg9nbkilag7390"))))
 491     (build-system meson-build-system)
 492     (arguments
 493      `(#:modules ((guix build meson-build-system)
 494                   (guix build utils)
 495                   ((guix build python-build-system) #:prefix python:))
 496        #:imported-modules (,@%meson-build-system-modules
 497                            (guix build python-build-system))
 498        #:configure-flags
 499        (list (string-append
 500               "-Dpygi-overrides-dir="
 501               (python:site-packages %build-inputs %outputs) "gi/overrides"))))
 502     (native-inputs
 503      `(("pkg-config" ,pkg-config)
 504        ("python" ,python)))
 505     (propagated-inputs
 506      `(("gst-plugins-base" ,gst-plugins-base)
 507        ("python-pygobject" ,python-pygobject)))
 508     (home-page "https://gstreamer.freedesktop.org/")
 509     (synopsis "GStreamer GObject Introspection overrides for Python")
 510     (description
 511      "This package contains GObject Introspection overrides for Python that can
 512 be used by Python applications using GStreamer.")
 513     (license license:lgpl2.1+)
 514     (properties `((python2-variant . ,(delay python2-gst))))))
 515
 516 (define-public python2-gst
 517   (package (inherit python-gst)
 518     (name "python2-gst")
 519     (native-inputs
 520      `(("pkg-config" ,pkg-config)
 521        ("python" ,python-2)))
 522     (propagated-inputs
 523      `(("gst-plugins-base" ,gst-plugins-base)
 524        ("python-pygobject" ,python2-pygobject)))))
 525
 526 (define-public gst123
 527   (package
 528     (name "gst123")
 529     (version "0.3.5")
 530     (source (origin
 531               (method url-fetch)
 532               (uri (string-append "http://space.twc.de/~stefan/gst123/gst123-"
 533                                   version ".tar.bz2"))
 534               (sha256
 535                (base32
 536                 "0zaa117n4wkya9p903vkj8hj58lmdb66pxsdx5wwcv7nffbp5d67"))))
 537     (build-system gnu-build-system)
 538     (inputs
 539      `(("gtk+" ,gtk+-2)
 540        ("ncurses" ,ncurses)
 541        ("gstreamer" ,gstreamer)
 542        ("gst-plugins-base" ,gst-plugins-base)))
 543     (native-inputs
 544      `(("pkg-config" ,pkg-config)))
 545     (home-page "http://space.twc.de/~stefan/gst123.php")
 546     (synopsis "Flexible command line media player based on gstreamer")
 547     (description "The program gst123 is designed to be a more flexible command
 548 line player in the spirit of ogg123 and mpg123, based on the gstreamer media
 549 framework.  It plays all file formats gstreamer supports, so if you have a
 550 music collection which contains different file formats, like flac, ogg and
 551 mp3, you can use gst123 to play all your music files.")
 552     (license license:lgpl2.0+)))