On Thursday, 19 September 2019 15:19:57 BST Walter Dnes wrote: > On Wed, Sep 18, 2019 at 07:57:51PM -0400, Walter Dnes wrote > > > I did some further digging. It appears that the instructions I > > followed are for capture devices (USB microphones, etc). According to > > https://trac.ffmpeg.org/wiki/Capture/ALSA if I want to record from a > > running application, I need to load the "snd_aloop" module and mention > > it in a local .asoundrc. According to the linux kernel config help... > > > > CONFIG_SND_ALOOP: > > | Say 'Y' or 'M' to include support for the PCM loopback device. | > > | This module returns played samples back to the user space using | > > | the standard ALSA PCM device | > > | > > Oh well, there is a new kernel, so I'll build it with the module, and > > > > get back later to see how things work. > > That failed differently. With the local .asoundrc present, I loaded > the snd_aloop module. It showed up as a capture device in alsamixer. > But I had no sound on the speakers when playing Youtube. Even worse, I > was unable to unload the snd_aloop module. When trying to do so, I got > > FATAL ERROR: Module in use. > > The normal way around that is to unload any other modules using it. > But I have everything, except snd_aloop, built into the kernel. So > there was nothing to unload to release snd_aloop. I ended up renaming > .asoundrc, and rebooting.
I suggest you give jackd a spin. It should what you want, but may I ask why you need to record off your browser whatever youtube shows? Can't you use youtube-dl to download the youtube video/audio? -- Regards, Mick
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