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Re: [fluid-dev] ALSA Raw connection (Re: Reading input from a MIDI devic
Re: [fluid-dev] ALSA Raw connection (Re: Reading input from a MIDI device)
Sat, 28 Dec 2013 08:48:40 +0100
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On 12/26/2013 11:37 PM, Vesa Paatero wrote:
> Hi! Getting back to the discussion:
>>>> Here is a command line whereby the system works with "noteon":
>>>> fluidsynth -v -a alsa -o synth.gain=3.0 -o synth.verbose=yes
>>> 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.