ajuda .asoundrc ALSA

1. ajuda .asoundrc ALSA

slaxmax
(usa Outra)

Enviado em 06/06/2015 - 19:13h

Pessoal estou com um problema na mixagem no arquivo .asoundrc na pasta home
Estou usando uma distro baseada no slackware 14.1 x64

Preciso ter a saída de som no hw 0 e na HDMI e um link para o loopback (snd_aloop)
Esse assunto do .asoundrc é bem complicado (pelo menos para mim). Não consigo entender direito a configuração
do alsa.

abaixo está o resultado do aplay -l

**** List of PLAYBACK Hardware Devices ****

card 0: SB [HDA ATI SB], device 0: ALC888 Analog [ALC888 Analog]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

card 0: SB [HDA ATI SB], device 1: ALC888 Digital [ALC888 Digital]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

card 2: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM]

  Subdevices: 8/8

  Subdevice #0: subdevice #0

  Subdevice #1: subdevice #1

  Subdevice #2: subdevice #2

  Subdevice #3: subdevice #3

  Subdevice #4: subdevice #4

  Subdevice #5: subdevice #5

  Subdevice #6: subdevice #6

  Subdevice #7: subdevice #7

card 2: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM]

  Subdevices: 8/8

  Subdevice #0: subdevice #0

  Subdevice #1: subdevice #1

  Subdevice #2: subdevice #2

  Subdevice #3: subdevice #3

  Subdevice #4: subdevice #4

  Subdevice #5: subdevice #5

  Subdevice #6: subdevice #6

  Subdevice #7: subdevice #7

abaixo está meu atual .asoundrc (sem o HDMI), que está funcionando os speakers e o loopback

pcm.!default {

  type asym

  playback.pcm "LoopAndReal"

  #capture.pcm "looprec"

  capture.pcm "hw:0,0"

}



pcm.looprec {

    type hw

    card "Loopback"

    device 1

    subdevice 0

}





pcm.LoopAndReal {

  type plug

  slave.pcm mdev

  route_policy "duplicate"

}





pcm.mdev {

  type multi

  slaves.a.pcm pcm.MixReale

  slaves.a.channels 2

  slaves.b.pcm pcm.MixLoopback

  slaves.b.channels 2

  bindings.0.slave a

  bindings.0.channel 0

  bindings.1.slave a

  bindings.1.channel 1

  bindings.2.slave b

  bindings.2.channel 0

  bindings.3.slave b

  bindings.3.channel 1

}





pcm.MixReale {

  type dmix

  ipc_key 1024

  slave {

    pcm "hw:0,0"

    rate 48000

    #rate 44100

    periods 128

    period_time 0

    period_size 1024 # must be power of 2

    buffer_size 8192

  }

}



pcm.MixLoopback {

  type dmix

  ipc_key 1025

  slave {

    pcm "hw:Loopback,0,0"

    rate 48000

    #rate 44100

    periods 128

    period_time 0

    period_size 1024 # must be power of 2

    buffer_size 8192

  }

}



pcm.MixHDMI {

  type dmix

  ipc_key 1025

  slave {

    pcm "hw:HDMI,0,0"

    rate 48000

    #rate 44100

    periods 128

    period_time 0

    period_size 1024 # must be power of 2

    buffer_size 8192

  }

}