On Wed, 27.05.09 11:07, Colin Guthrie (gmane at colin.guthr.ie) wrote: >> In essence...applying my per-app ratios automatically on the fly, >> whenever something comes up? I'll be honest, I didn't really think of >> it like -that-. That sounds awesome enough that I might need to give >> it another chance. > > Yes! > > The way I understand it, and apologies if I'm wrong here, is that > Banshess want's 80% and it's the only app playing. In order to achieve > that result, pulse does not scale the stream at all but sets the > underlying hardware volume to 80% (but in dB's yada yada!). So the net > result is I get sound at the right volume. > > Then another stream joins that wants 100% So, pulse with start scaling > the Banshee stream to ensure it is scaled in software to 80%, and turn > up the underlying hardware volume to 100%. Net result is that Banshee > continues playing at the same level and sounds the same but the new > stream can be louder. > > Essentially, whenever possible pulse is off-loading the scaling to the > h/w, meaning less work in software = less load, and better quality audio > due to the use of the full range of the DAC. > > Hope that's right! Yes it is! Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net http://0pointer.net/lennart/ GnuPG 0x1A015CC4
