Thanks for your answer!

On Sun, Mar 14, 2004 at 05:59:38PM +0100, Jaroslav Kysela wrote:
| Because it's perfectly ok. The applications should use 'plug:surround51' 
| device if they want to enable automatic conversions. So, report this bug 
| to xine developers.

I will do that.

| Are you sure that xine sends six channels to device? It looks like that 
| only two channels are processed and in this case alsa-lib default 
| configuration copies only two channels to output.
| 
| If you refer to 'aplay -Dplug:surround51' then it won't work, too. Same 
| problem - you need to override the default policy for the plug plugin:
| 
|   route_policy STR      # route policy for automatic ttable generation
|                         # STR can be 'default', 'average', 'copy', 'duplicate'
|                         # average: result is average of input channels
|                         # copy: only first channels are copied to destination
|                         # duplicate: duplicate first set of channels
|                         # default: copy policy, except for mono capture - sum
| 
| So, you need something like:
| 
| pcm.duplicate {
|       type plug
|       slave.pcm "surround51"
|       route_policy duplicate
| }
| 
| And now, 'aplay -Dduplicate' will duplicate stream to all six channels.

-> slave.pcm "surround51":
That means that the standard surround51 device should also work right out of
the box with the ice1724 chip?
I was surprised that the format problem has gone ;)

Hm... I tried that but it doesn't work - still sound only out of the front speakers 
with
xmms and the duplicate output device. Do I need anything else?

Andreas


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