Hi Patrick, > There is a plugin called copy in the pcm plugins docs. Have a read. > > http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html#pcm_plugins
I did a lot of tests and experiments with the copy plugin (everything that came into my mind) but had no success in getting sound from an ALSA output device to an input device. Besides, I have some problems using the copy plugin with some applications (e.g. brutefir). I get a "file descriptor in bad state" error when brutefir calls snd_pcm_start. (you'll find further description od this problem at http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg04080.html ) Do you know what I should do to get this running? One question to the ALS experts: Is there (or would it be a big deal to write one) some kind of virtual soundcard device I could use? I'm thinking of some virtual "card" I could write audio data to (say, to an ALSA "output device" of this virtual card) and capture this data by using the "input device" of this virtual card. *From an application point of view, this should look like a real soundcard with a cable connecting the output(s) to the input(s).* (The virtual card would indicate always free buffers to the application using it and would just move 2 pointers to get the input and output streams synchronized. Or something similar -- or something completely different. Sorry, I don't know ;-) ) Or -- is there any other solution to simulate a card with connected out-/inputs? Something like a software version of a hardware audio patch panel would be quite interesting for many others, I think. Many thanks in advace for any help, fritz_e -- GMX - Die Kommunikationsplattform im Internet. http://www.gmx.net ------------------------------------------------------- This sf.net email is sponsored by: Dice - The leading online job board for high-tech professionals. Search and apply for tech jobs today! http://seeker.dice.com/seeker.epl?rel_code=31 _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
