[LAD] Fedora 25 x86_64; Pulseaudio removed; ALSA recording and playing from multiple sources - JACK?

[Philip Rhoades]

People,

For playing from multiple sources, ALSA plus the version of .asoundrc
below has been rock-solid for a couple of years now:

I now want to use things like "recordmydesktop" which work fine with the
mic but they do not record sound from audio or video clips that are
playing eg from YouTube or local mpv etc. So, yet again, I started to
try and make sense of JACK because I was pretty sure that it could solve
this problem - but I have found sound on linux has always been a major
pain and messing around with configs and rebooting etc on my big
workstation is tedious so I think I will try to get something working on
my laptop to begin with.

Hopefully some jack gurus will have some suggestions about how to do
what I want to do? I presume it is possible?

Thanks,

Phil.


pcm.!default {
type plug
slave.pcm "asymed"
}

# This is the audio output:
pcm.dmixer {
type dmix
ipc_key 1024
slave {
pcm "hw:1,0"
period_time 0
period_size 1024
buffer_size 4096
rate 44100
}
bindings {
0 0
1 1
}
}

ctl.dmixer {
type hw
card 0
}

# This is the microphone
pcm.dsnooped {
ipc_key 1027
type dsnoop
slave.pcm "hw:1,0"
}

# This makes both channels work together.
pcm.asymed {
type asym
playback.pcm "dmixer"
capture.pcm "dsnooped"
}

[Philip Rhoades]

People,

I didn't get a response to this - can anyone help?

Thanks,

Phil.

Post by Philip Rhoades
People,
For playing from multiple sources, ALSA plus the version of .asoundrc
I now want to use things like "recordmydesktop" which work fine with
the mic but they do not record sound from audio or video clips that
are playing eg from YouTube or local mpv etc. So, yet again, I
started to try and make sense of JACK because I was pretty sure that
it could solve this problem - but I have found sound on linux has
always been a major pain and messing around with configs and rebooting
etc on my big workstation is tedious so I think I will try to get
something working on my laptop to begin with.
Hopefully some jack gurus will have some suggestions about how to do
what I want to do? I presume it is possible?
Thanks,
Phil.
pcm.!default {
type plug
slave.pcm "asymed"
}
pcm.dmixer {
type dmix
ipc_key 1024
slave {
pcm "hw:1,0"
period_time 0
period_size 1024
buffer_size 4096
rate 44100
}
bindings {
0 0
1 1
}
}
ctl.dmixer {
type hw
card 0
}
# This is the microphone
pcm.dsnooped {
ipc_key 1027
type dsnoop
slave.pcm "hw:1,0"
}
# This makes both channels work together.
pcm.asymed {
type asym
playback.pcm "dmixer"
capture.pcm "dsnooped"
}

[Ralf Mattes]

Post by Philip Rhoades
People,
I didn't get a response to this - can anyone help?

See below.

Post by Philip Rhoades

Post by Philip Rhoades
People,
For playing from multiple sources, ALSA plus the version of .asoundrc
I now want to use things like "recordmydesktop" which work fine with
the mic but they do not record sound from audio or video clips that
are playing eg from YouTube or local mpv etc. So, yet again, I
started to try and make sense of JACK because I was pretty sure that
it could solve this problem - but I have found sound on linux has
always been a major pain and messing around with configs and rebooting

Sorry, but if you think you need to reboot after configuration changes then you might
need to read up a bit on how things work.

Post by Philip Rhoades

Post by Philip Rhoades
etc on my big workstation is tedious so I think I will try to get
something working on my laptop to begin with.
Hopefully some jack gurus will have some suggestions about how to do
what I want to do? I presume it is possible?

Given your goal, I'd strongly suggest you install cadence (requires jackd2 because
of d-bus) and enable the alsa->jack bridge. You might even want to enable the
pulseaudio->jack bridge. That's three clicks to a working audio setup.

HTH, Ralf Mattes

[Philip Rhoades]

Ralf,

Am Dienstag, 19. September 2017 09:48 CEST, Philip Rhoades

Post by Philip Rhoades
People,
I didn't get a response to this - can anyone help?

See below.

Post by Philip Rhoades

Post by Philip Rhoades
People,
For playing from multiple sources, ALSA plus the version of .asoundrc
I now want to use things like "recordmydesktop" which work fine with
the mic but they do not record sound from audio or video clips that
are playing eg from YouTube or local mpv etc. So, yet again, I
started to try and make sense of JACK because I was pretty sure that
it could solve this problem - but I have found sound on linux has
always been a major pain and messing around with configs and rebooting

Sorry, but if you think you need to reboot after configuration changes then you might
need to read up a bit on how things work.

I have been using Linux since the 0.9 kernels and have hardly used
Windows since NT but I think that in comparison, it is not unreasonable
to describe sound on Linux as having "always been a major pain" and
rebooting sometimes being necessary to get things working again . . even
Windows 95 was relatively painless in this regard . .

Post by Philip Rhoades

Post by Philip Rhoades
etc on my big workstation is tedious so I think I will try to get
something working on my laptop to begin with.
Hopefully some jack gurus will have some suggestions about how to do
what I want to do? I presume it is possible?

Given your goal, I'd strongly suggest you install cadence (requires jackd2 because
of d-bus) and enable the alsa->jack bridge.

Thanks - I will check that out.

You might even want to enable the
pulseaudio->jack bridge. That's three clicks to a working audio setup.

See Subject: - no PA . .

Regards,

Phil.