[pulseaudio-discuss] redirect sound to different out jack

sabayon11 sabayon11 at gmail.com
Mon Nov 24 03:47:21 PST 2014 

pactl list was in that file (below aplay aoutput)
http://pastebin.com/NnDvQ2kU
Even if line in capture is on there is now difference.

>You have to ask the author of snd-emu10k1 as I only know how to use
devices in the above conf

Hmm. Now I think is not worth trying. I give up and I will buy a new sound
card. This will be the best solution here.

Anyway thank you for your commitment. I'm really impressed with your great
attitude and knowledge.

2014-11-24 7:05 GMT+01:00 Raymond Yau <superquad.vortex2 at gmail.com>:

> >
> >http://pastebin.com/NnDvQ2kU
> >
>
> :~$ aplay --dump-hw-params -D surround40:CARD=Live
> /usr/share/sounds/alsa/Front_Left.wav
>
> appropriate number of channels is not available WAVE
> '/usr/share/sounds/alsa/Front_Left.wav' : Signed 16 bit Little Endian,
> frequency 48000 Hz, Mono
>
> HW Params of device "surround40:CARD=Live":
>
> --------------------
>
> ACCESS:  MMAP_COMPLEX RW_INTERLEAVED RW_NONINTERLEAVED
> FORMAT:  U8 S16_LE
> SUBFORMAT:  STD
> SAMPLE_BITS: [8 16]
> FRAME_BITS: [32 64]
> CHANNELS: 4
> RATE: [4000 96000]
> PERIOD_TIME: (166 8192000]
> PERIOD_SIZE: [16 32768]
> PERIOD_BYTES: [64 262144]
> PERIODS: [1 1024]
> BUFFER_TIME: (666 8192000]
> BUFFER_SIZE: [64 32768]
> BUFFER_BYTES: [256 262144]
> TICK_TIME: ALL
> --------------------
>
> Both hw and front (mono and stereo profile) support MMAP_INTERLEAVED and
> RW_INTERLEAVED BUT surround40 and surround51  support MMAP_COMPLEX or
> RW_INTERLEAVED
>
> 44100Hz is supported but disabled when pulseaudio use no resample
>
> Seem bug or limitaion of multi plugin when the slaves does not support
> RW_NONINTERLEAVED
>
> Do pulseaudio expect all profiles of the sink or card  use same access
> type ?
>
> Seem no way to force pulseaudio to try RW_INTERLEAVED first since
> udev-detect only has tsched flag
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/module-udev-detect.c
>
> What is the purpose of bool *use_mmap in pa_alsa_set_hw_params when user
> are not recommended to  use module-alsa-sink indefault.pa
>
> int pa_alsa_set_hw_params(
>         snd_pcm_t *pcm_handle,
>         pa_sample_spec *ss,
>         snd_pcm_uframes_t *period_size,
>         snd_pcm_uframes_t *buffer_size,
>         snd_pcm_uframes_t tsched_size,
>         bool *use_mmap,
>         bool *use_tsched,
>         bool require_exact_channel_number) {
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/module-alsa-card.c
>
> "mmap=<enable memory mapping?> "
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/module-alsa-sink.c
>
> "mmap=<enable memory mapping?> "
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/module-alsa-source.c
>
> "mmap=<enable memory mapping?> "
> >
> > >Do pactl can select the capture source?
> >
> > I don't know what specific command shold I use.
> >
>
> pactl --help
>
> You have to post output of
>
> pactl list
>
> Capture source is not a mixer element but a hctl control
>
> control.64 {
> iface MIXER name 'Capture Source'
> value.0 Mic
> value.1 Mic
> comment
> { access 'read write'
> type ENUMERATED count 2
> item.0 Mic
> item.1 CD
> item.2 Video
> item.3 Aux
> item.4 Line
> item.5 Mix
> item.6 'Mix Mono'
> item.7 Phone } }
>
> Those mixer elements with " Capture exclusive group: 0" are belong to
> "Capture Source" control
>
> cswitch-exclusive mean only one of the source can be switch on within
> capture exclusive group
>
> Simple mixer control 'Line',0
>   Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
>   Capture exclusive group: 0
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: Playback 0 - 31
>   Front Left: Playback 31 [100%] [12.00dB] [on] Capture [off]
>   Front Right: Playback 31 [100%] [12.00dB] [on] Capture [off]
>
> To select line in as capture source, you need to set the line capture
> switch on
>
> those mixer elements with "pswitch-joined" have input to ac97 analog mixer
>
> you have to switch on line playback volume and switch if  you want  tv
> card output sound  through line in of ac97 mixer to the front line out
>
> Pcm playback volume/switch with  pswitch-joined is also an input to ac97
> analog mixer
>
> Simple mixer control 'PCM',0
>   Capabilities: pvolume pswitch pswitch-joined
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 31
>   Mono:
>   Front Left: Playback 23 [74%] [0.00dB] [on]
>   Front Right: Playback 23 [74%] [0.00dB] [on]
>
> You need to select stereo mix if you want to capture from mix of line in,
> mic, pcm.... and change those source playback volume and switch
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths
>
> Is "pactl set-source-port" the correct command to set capture source
> control if pulseaudio does not save and restore the selected source port of
> the default sink for those sound cards with ac97 codec
>
>
> http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/alsa-mixer.c?id=300a5e3ed70064c296e09bc4e40531f3257154c5
>
> > > Which devices do you want to use? Those Multichannel's I had when I
> disabled pulse.
>
>
> http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=src/conf/cards/EMU10K1.conf;hb=HEAD
>
> You have to ask the author of snd-emu10k1 as I only know how to use
> devices in the above conf
>
>
> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/emu10k1-jack.txt
>
> >> card 0: Live [SB Live! Value [CT4832]], device 2: emu10k1 efx
> [Multichannel Capture/PT Playback]
> >>   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 0: Live [SB Live! Value [CT4832]], device 3: emu10k1 [Multichannel
> Playback]
> >>   Subdevices: 1/1
> >>   Subdevice #0: subdevice #0
> >>
> >> ARECORD
> >>
> >> **** List of CAPTURE Hardware Devices ****
> >>
> >> card 0: Live [SB Live! Value [CT4832]], device 1: emu10k1 mic [Mic
> Capture]
> >>   Subdevices: 1/1
> >>   Subdevice #0: subdevice #0
> >>
> >> card 0: Live [SB Live! Value [CT4832]], device 2: emu10k1 efx
> [Multichannel Capture/PT Playback]
> >>   Subdevices: 1/1
> >>   Subdevice #0: subdevice #0
> >>
> >>
>
> > Hmmm. Now I use surround 4.0
> >http://i.imgur.com/UZsnWqs.png
> >
> > but whatever is needed to accomplish it.
>
> _______________________________________________
> pulseaudio-discuss mailing list
> pulseaudio-discuss at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>
>
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