Xover wrote: > Clemens Ladisch <cladisch <at> googlemail.com> writes: >> Xover wrote: >>> Clemens Ladisch <cladisch <at> googlemail.com> writes: >>>> It is intended to be used when there is no actual hardware device. >>> >>> By way of some background, what is the snd-loop rate shift facility intended >>> to be used for? >> >> To synchronize with some other clock. >> >> (Which is what you were doing; but a plugin doesn't require >> synchronization to begin with.) > > The thing is, I see people using the snd-aloop driver as a means to tee off > audio between an application and a sound card, or even as a means to > connect one audio source to two sound cards, all over the place. Sometimes > they set the rate shift manually in an attempt to prevent the inevitable > drift problems, but of course without 'closing the loop' this will always > result in disaster eventually. > > In the simple requirement of needing to record the output of an audio > player app while at the same time listening to it on a real (playback-only) > sound card, what should they do? Use PulseAudio. ;-) Or the file plugin: http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html#pcm_plugins_file (Which isn't easy to use. It uses either a fixed file name, or an external script which you have to write yourself.) Regards, Clemens ------------------------------------------------------------------------------ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
