On Thu, 2006-09-14 at 08:47 -0700, Zephiris wrote: > Lee Revell wrote: > > > On Thu, 2006-09-14 at 08:16 -0700, Zephiris wrote: > >> Lee Revell wrote: > >> > >> > On Thu, 2006-09-14 at 07:19 -0700, Zephiris wrote: > >> >> Since people in ALSA devel channel won't answer, I'll have to ask on > >> >> mailing-list/newsgroup. I'm trying to get the ATI IXP driver to use > >> >> hardware mixing. The hardware supports it, FreeBSD and Windows support > >> >> it, and all I want is to know is what to change in the source that > >> >> needs to support it, since several glances through the source and > >> >> brief API docs, as well as mailing lists, etc, don't reveal > >> >> effectively nothing supporting hardware mixing at all. > >> > > >> > How do you know the device is capable of hardware mixing? > >> > > >> > Lee > >> > > >> > > >> Other operating systems support hardware mixing on it. FreeBSD reportedly > >> does, Windows definitely does (yay for hardware acceleration of DS/DS3D, > >> too; up to 26 streams) and I didn't ask 'if' it does, I asked how to try > >> to work with hardware mixing in ALSA. Documentation, general walk-through > >> of the steps required in difference to non-hardware mixed, anything, > >> please? > >> > >> I've been getting short-changed on answers so far (and was previously > >> stonewalled on AU8830 support, back when people in ALSA channels cheerily > >> claimed you couldn't get hardware mixing on that, either), and it's > >> getting frustrating. I'm not asking for a lecture on "you can't do that > >> because it's not status quo", but merely how to implement such changes in > >> the source code. > > > > Um... if the device can't do hardware mixing, how can changing the > > driver help? > > > > Windows and FreeBSD are using software mixing. > > > > Lee > > People associated with ALSA have been daft enough to say that before about > sound cards that had exquisite hardware mixing, is it really too much to > ask for a simple parcel of information that appears to be omitted from the > documentation I can find for ALSA? Simple parcel of information? Sorry, there's no way to make kernel driver development simple. This is not end user stuff. > I swear, if the consistently > condescending/fek-you attitude from ALSA over many years is any indication, > no wonder it moves like slag compared to other sound drivers and almost > never gets reasonably "full" support for any particular chipset. -_- > I don't know who told you that about AU8830 (which certainly does have hardware mixing). But ATIIXP certainly does not have hardware mixing. You still won't say why you think it does. > I already said I wasn't looking for more statements of non-support, but just > how such things have to be done in the source code. People should really > read once and a while. Look at the emu10k1 driver and this document: http://www.alsa-project.org/~iwai/writing-an-alsa-driver/c436.htm Lee ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
