[pulseaudio-tickets] [Bug 71025] Volume controll bug if balans adjust

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71025

--- Comment #8 from Raymond <superquad.vortex2 at gmail.com> ---
do you select jack_out in sound preference as default sink when you change the
balance and volume ?

seem pulseaudio only use software volume for jack_out

    Имя: jack_out
    Описание: Jack sink (PulseAudio JACK Sink)
    Драйвер: module-jack-sink.c
    Спецификация выборки: float32le 2ch 88200Гц
    Раскладка каналов: front-left,front-right
    Владелец модуля: 22
    Звук отключён: no
    Громкость: 0:  38% 1:  18%
            0: -25,06 dB 1: -44,44 dB
            баланс -0,52
    Основная громкость: 100%
                 0,00 dB
    Источник мониторинга: jack_out.monitor
    Латентность: 58287 usec, настроено 46439 usec
    Флаги: DECIBEL_VOLUME LATENCY

how do pulseaudio know the jack server use which sink or source since you can
specify playback and capture on different alsa cards/devices ?

your jack server can even use alt analog device of vt1802 (independent
headphone) or your USB emu 0204

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: VT1802 Analog [VT1802 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: VT1802 Alt Analog [VT1802 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: USB [E-MU 0204 | USB], device 0: USB Audio [USB Audio]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

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