Thanks for your answer.
I use alsa 1.0.25
In the link you see that a channelmap exists for the hdsp9632 but not
for the hdsp9652.
The missing part is:
char channel_map_h9632_ds
<https://fossies.org/dox/alsa-tools-1.0.29/channelmap_8cxx.html#acbd058d0ded5c14e20f104d99db84180>[12]
= {
0, 1, 2, 3, 8, 9, 10, 11, 12, 13, 14, 15};
As i said, i don't know if that is the problem.
Imagine you have a 12-track project with someone speaking "one one
one..." on track 1, "two two two..." on track 2 and so on. Imagine also
that your output-routing is straight. Track 1 > Out 1, Track 2 > Out 2,
.....
When you open hdspmixer while jack is working at double speed (88,2 -
96), what happens is that:
Track 1 is not routed to any out, Track 2 is routed to Out 1, Track 3
not routed, Track 4 routed to Out 2,
Track 5 is not routed, Track 6 is routed to Out 5, Track 7 is not
routed, Track 8 is routed to Out 6, and so on...
I actually lose my (physical) outs 3,4,7,8,11,12.
There is no way to get them adressed.
Thanks
Le 29/10/2015 21:55, Markus Seeber a écrit :
On 10/29/2015 02:16 PM, Klaus Löhmann wrote:
Hello,
first post here, so i don't know if i do everything like expected.
When i open hdspmixer @ 96k, the output routing is strange:
1st channel doesn't output, channel 2 outputs on out1,
CH 3 doesn't output, CH 4 outputs on out 2 ...and so on.
Yes this should be correct. ADAT optical does only support up to 48KHz
per channel, thus the card switches on 96KHz into double speed mode,
which means, that the data for a single channel is transmitted over two
channels. This means that the channel count is cut to half.
I opened a topic on the RME-Linux-Forum a while ago:
https://www.forum.rme-audio.de/viewtopic.php?id=17373
While regarding the sources, i realized (i am at no means a
coder/dev/whatever, so...)
that in the hdspmixer the channelmap is missing for the HDSP9652, but
for the other cards (Digiface, Multiface, RPM...) Channelmpas are specified.
Maybe you are using an old version? I found a matching mapping right
here for alsa-tools version 1.0.29 :
https://fossies.org/dox/alsa-tools-1.0.29/channelmap_8cxx_source.html#l00099
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