2010/10/4 David Henningsson <david.henningsson@xxxxxxxxxxxxx> > On 2010-10-04 14:01, Clemens Ladisch wrote: > > David Henningsson wrote: > >> On 2010-10-02 04:11, Raymond Yau wrote: > >>> It seem that the program keep complain about those controls without dB > scale > >>> (e.g. AC97 3D Control - depth and rear depth , .) with the emulated > intel8x0 > >>> driver and no volume control with the emulated sb16 in virtualbox > >> > >> It's a righteous warning if you ask me - all volume controls should > >> provide dB information, > > > > But "3D Depth" and some other controls are not volume controls and are > > not measured in dB. > > > >> or we don't know what they actually do. > > > > Where "we" = "generic software like PA". Non-standard controls can be > > controlled only by hardware-specific tools or by the user. > > Exactly, this is a test tool that checks whether the mixer control names > and dB information live up to PulseAudio's expectations. That's the > tool's purpose. > > Given some thought, perhaps the application warning should be removed. > It might be that it should only require dB information for the controls > it actually wants to test (i e Master, PCM etc)...what do you think? > > -- > David Henningsson, Canonical Ltd. > http://launchpad.net/~diwic <http://launchpad.net/%7Ediwic> > But some drivers (e.g. ISA drivers ) does not provide dB info for "Master" and "Capture" volume control There are different model of sound cards using snd-sb16 driver SB16 support joint duplex , only 16 bit playback and 8 bit capture instead of 16bits playback and capture your runtest.sh use "-q" option and I had spend some time to discover the overrun occur during arecord with sb16 inside virtualbox _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
