On Mon, 2006-04-24 at 09:14 +1000, John Newbigin wrote: > Lee Revell wrote: > > > On Sat, 2006-04-22 at 22:45 +0300, Sergei Steshenko wrote: > > > >>"I don't understand .asoundrc syntax well enough to create one" > > > > > > You make it sound like this is trivial functionality - it's not! Lots > > of work by alsa-lib is required to transparently upmix stereo to 5.1 > > while handling multiple streams and coexisting with actual 5.1 streams. > This is beginning to sound like a wish list, so I though I would add in > my wishes. > > From the mixed upmixed stereo and native 5.1, I want AC3 encoding and > spdif passthrough. This probably means decoding any native AC3 before > dmix and then re-encode. This is probably not fantastic for sound > quality so if there is nothing to mix in to the AC3 then perhaps short > circuit the re-encoding, or a configurable way to say if there is an AC3 > source then play that only, otherwise mix all other sources. > > When nothing is playing I need AC3 silence, otherwise it takes a few > seconds for my amp to lock on to and start playing from spdif. >
Try the new a52 plugin described in the alsa-devel threads from my previous mail. > I know it is possible to hook up to jack plugins to do some of this but > it is far from the reach of most (any?) users. Even though I got some > of this working, mythtv would not work with it :-( > Doesn't MythTV still only understand OSS? > One last thing, make the default oss emulation use dmix. > It's impossible for the in-kernel OSS emulation to support all ALSA functionality. The solution is for the distros to configure any OSS apps to run under aoss. Lee > > > > Just because Windows does it does not mean it's easy! > Windows does not do this either, but since when was windows a good > benchmark? > Windows does not but some Windows drivers do. 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-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
