Hi, back in discussion, sorry about the delay...
28.12.2013 09:48, David Henningsson wrote:
On 12/26/2013 11:37 PM, Vesa Paatero wrote:
The easiest way is to use the alsa rawmidi driver. Find the card name by
looking at the /proc/asound/cards file - find the row corresponding to
the right sound card, and the label within brackets.
In my case it's "Piano", so then the options I need to add are:
" -m alsa_raw -o midi.alsa.device=hw:Piano"
(of course in your case replace "Piano" with your card name)
Thanks for these hints, David. Raw MIDI without any mixer activity by
CPU sounds like a good choice to minimize latency.
I tried the ALSA raw option but it seems that "aconnect" can only be
used to connect the MIDI input device to FluidSynth when "-m alsa_seq"
is given to FluidSynth because only then a suitable connection entry
shown by "aconnect -lio" is created.
So, when using alsa_raw, what is the recommended way to connect a MIDI
input device?
You shouldn't use aconnect at all in this scenario. Just let fluidsynth
read the raw ALSA input directly.
But... how? OK, let's "think aloud": I have the MIDI device that sends
data. ALSA seems to connect to it automatically because the device
becomes visible to "aconnect -lio". So I just need need to figure out
the connection from ALSA to FluidSynth.. or should I say that I need
to tell FluidSynth where to look for the MIDI data to be forwarded
to the sound card. I guess I still have to specify the avenue of input
by the command line somehow but I haven't found anything appro-
priate.
Vesa
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