Ray wrote: > Am 2015-03-03 10:47, schrieb Clemens Ladisch: >> Ray wrote: >>> is there some ALSA function which I can use to get the current music >>> output level from the soundcard output? >> >> No; be default, samples are written by the application directly into the >> DMA buffer, and there is no opportunity for anybode else to listen in. > > Ok, this puts an end to my efforts in userland, I suppose. How about kernel-land then? The DMA buffer is read directly by the hardware. You would have to route the audio data through some other software (like PulseAudio or Jack), but these are components on top of ALSA, and are not guaranteed to be use everwhere. That said, PulseAudio probably does what you want. Regards, Clemens ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
