Module: Yast::SoundVolumeRoutinesInclude

Defined in:
../../src/include/sound/volume_routines.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) GlobExists(glob)



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# File '../../src/include/sound/volume_routines.rb', line 223

def GlobExists(glob)
  out = Convert.to_map(
    SCR.Execute(
      path(".target.bash_output"),
      Builtins.sformat("echo -n %1", glob)
    )
  )
  Builtins.y2debug("output: %1", out)

  Ops.get_string(out, "stdout", "") != glob
end

- (Object) initialize_sound_volume_routines(include_target)



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# File '../../src/include/sound/volume_routines.rb', line 19

def initialize_sound_volume_routines(include_target)
  Yast.import "Arch"
  Yast.import "Sound"
  Yast.import "Directory"
  Yast.import "Mode"
  Yast.import "Popup"

  textdomain "sound"
end

- (String) PlayTest(card_id)

plays test sound to card #card_id

Parameters:

  • card_id (Fixnum)

    card id

Returns:

  • (String)

    with error message. empty on success



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# File '../../src/include/sound/volume_routines.rb', line 112

def PlayTest(card_id)
  fname = "/usr/share/sounds/alsa/test.wav"
  fname = "/usr/share/sounds/test.mp3" if !Sound.use_alsa
  if SCR.Read(path(".target.size"), fname) == -1
    # popup message: test audio file was not found
    return Builtins.sformat(
      _("Cannot find file:\n%1\n(test audio file)"),
      fname
    )
  end

  command = !Sound.use_alsa ?
    Builtins.sformat("/usr/bin/mpg123 -a /dev/dsp%1 %2", card_id, fname) :
    # unset ALSA_CONFIG_PATH (bnc#440981)
    Builtins.sformat(
      "ALSA_CONFIG_PATH= /usr/bin/aplay -q -N -D default:%1 %2 > /dev/null 2>&1",
      card_id,
      fname
    )

  Builtins.y2milestone("Executing: %1", command)

  SCR.Execute(path(".target.bash_background"), command)

  ""
end

- (Boolean) setVolume(group, cardid, value)

sets volume in percents (0..100) for given card and card_id

Parameters:

  • group (String)

    channel

  • cardid (Fixnum)

    card id

  • value (Fixnum)

    volume 0-100

Returns:

  • (Boolean)

    success/failure



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# File '../../src/include/sound/volume_routines.rb', line 34

def setVolume(group, cardid, value)
  Builtins.y2debug(
    "setVolume(group: %1, cardid: %2, value: %3",
    group,
    cardid,
    value
  )

  if !Sound.use_alsa
    if Arch.sparc
      cmd = Builtins.sformat(
        "/usr/bin/aumix -d /dev/mixer%1 -w %2",
        cardid,
        value
      )
      SCR.Execute(path(".target.bash"), cmd, {})
    else
      p = Builtins.sformat(".audio.oss.cards.%1.channels.%2", cardid, group)
      SCR.Write(Builtins.topath(p), value)
    end
    return true
  end

  # rest is for ALSA
  # In Mode::autoinst(), we need to update volume_settings from
  # UpdateCardsToTargetSystem functions; volume will be saved later
  # in set_vol_settings ().
  if !Mode.config && !Mode.autoinst
    p = Builtins.sformat(
      ".audio.alsa.cards.%1.channels.%2.volume",
      cardid,
      group
    )
    return SCR.Write(Builtins.topath(p), value)
  else
    tmp = Ops.get(Sound.volume_settings, cardid, [])

    found = false
    updated_channels = []
    Builtins.foreach(tmp) do |ch|
      new_ch = deep_copy(ch)
      if Ops.get_string(new_ch, 0, "") == group
        Ops.set(new_ch, 1, value)
        found = true
      end
      updated_channels = Builtins.add(updated_channels, new_ch)
    end 


    if found
      # the channel has been found, use the updates list
      tmp = deep_copy(updated_channels)
    else
      # the channel has not been found, add it to the list
      tmp = Builtins.add(tmp, [group, value, false])
    end

    Ops.set(Sound.volume_settings, cardid, tmp)

    return true
  end
end

- (void) sound_start_tmp(restore)

This method returns an undefined value.

sound_start_tmp starts alsa using temporary modules.conf

Parameters:

  • restore (Boolean)

    true - call alsactl restore, false - don't



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# File '../../src/include/sound/volume_routines.rb', line 143

def sound_start_tmp(restore)
  ret = true

  # get the list of commands needed for start
  cmds = Sound.CreateModprobeCommands
  Builtins.y2milestone("modprobe commands: %1", cmds)

  snd = Builtins.sformat(
    "/sbin/modprobe snd cards_limit=%1 major=116",
    Builtins.size(Sound.modules_conf)
  )

  if !Sound.use_alsa
    snd = Builtins.sformat(
      "/sbin/modprobe snd snd_cards_limit=%1 snd_major=116",
      Builtins.size(Sound.modules_conf)
    ) 
    #FIXME parameter names for OSS?
  end

  # start 'snd' module first
  cmds = Builtins.flatten([[snd], cmds])
  Builtins.maplist(
    Convert.convert(cmds, :from => "list", :to => "list <string>")
  ) do |cmd|
    res = Convert.to_map(SCR.Execute(path(".target.bash_output"), cmd, {}))
    if Ops.get_string(res, "stderr", "") != ""
      Builtins.y2error(
        Ops.add(
          "/sbin/modprobe error output: \n",
          Ops.get_string(res, "stderr", "")
        )
      )
      ret = false
    end
  end

  ret
end

- (void) sound_stop

This method returns an undefined value.

removes all sound modules from kernel



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# File '../../src/include/sound/volume_routines.rb', line 185

def sound_stop
  if Sound.use_alsa
    cmd = Ops.add(Directory.bindir, "/alsadrivers unload")
    Builtins.y2milestone("Executing: %1", cmd)
    SCR.Execute(path(".target.bash"), cmd)

    aoa_used = false
    Builtins.foreach(Sound.modules_conf) do |card|
      aoa_used = true if Ops.get_string(card, "module", "") == "snd-aoa"
    end 


    if aoa_used
      # unload the extra module
      Builtins.y2milestone("Unloading snd-aoa-i2sbus driver")
      SCR.Execute(path(".target.bash"), "/sbin/rmmod snd-aoa-i2sbus")
      SCR.Execute(path(".target.bash"), "/sbin/rmmod snd-aoa-fabric-layout")
    end
  else
    mods = SCR.Dir(path(".modinfo.kernel.sound.oss"))
    mods = Builtins.add(mods, "emu10k1")
    mods = Builtins.add(mods, "cs4281")
    modules = Convert.to_map(SCR.Read(path(".proc.modules")))
    Builtins.foreach(
      Convert.convert(mods, :from => "list", :to => "list <string>")
    ) do |mod|
      if Builtins.haskey(modules, mod)
        SCR.Execute(
          path(".target.bash"),
          Builtins.sformat("/sbin/rmmod -r %1", mod)
        )
      end
    end
  end

  nil
end

- (Boolean) stop_programs

stops all programs using sound devices

Returns:

  • (Boolean)

    true if nothing's using sound, false otherwise



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# File '../../src/include/sound/volume_routines.rb', line 237

def stop_programs
  return true if Mode.config || Mode.autoinst

  # list of files to check, * must be present!
  audio_files = [
    "/dev/dsp*",
    "/dev/audio*",
    "/dev/mixer*",
    "/dev/midi*",
    "/dev/mixer*"
  ]

  audio_files = Builtins.filter(audio_files) { |file| GlobExists(file) }
  Builtins.y2milestone("Checking audio files: %1", audio_files)

  if Builtins.size(audio_files) == 0
    Builtins.y2milestone("No audio device file found, skipping fuser call")
    return true
  end

  fuser_options = Builtins.mergestring(audio_files, " ")
  Builtins.y2milestone("fuser options: %1", fuser_options)

  fuser = Convert.to_integer(
    SCR.Execute(
      path(".target.bash"),
      Ops.add("/bin/fuser ", fuser_options),
      {}
    )
  )

  if fuser == 0
    msg = Ops.get_string(Sound.STRINGS, "WhichDialogMsg", "")
    terminate = Sound.use_ui ? Popup.YesNo(msg) : true
    if terminate
      SCR.Execute(
        path(".target.bash"),
        Ops.add("/bin/fuser -k ", fuser_options),
        {}
      )
    else
      return false
    end
  end
  true
end

- (Boolean) storeVolume(card_id)

stores the volume to file. stored volume will be restored after reboot (ALSA only)

Parameters:

  • card_id (Fixnum)

    card id

Returns:

  • (Boolean)

    success/failure



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# File '../../src/include/sound/volume_routines.rb', line 101

def storeVolume(card_id)
  SCR.Execute(path(".audio.alsa.store"), 0, 0) if card_id == -1
  p = Builtins.sformat(".audio.alsa.cards.%1.store", card_id)

  Convert.to_boolean(SCR.Execute(Builtins.topath(p), 0, 0))
end