[Ardour-Users] Ardour as a midi timecode slave
paul at linuxaudiosystems.com
Sat Apr 24 16:43:54 PDT 2021
On Sat, Apr 24, 2021 at 5:16 PM robertlazarski <robertlazarski at gmail.com>
> Two questions:
> 1) Staying on topic, can I execute ardour stop / play commands with system
> calls? Just curious what I can do.
"system calls" is normally a term that describes what a program does it
when needs to get some sort of the service from the operating system.
I do not think that you mean that. I think you mean using a terminal
window and typing commands there.
So your actual question is probably "can I send commands to ardour, from
the command line, somehow?" The answer to that question: you can, using
OSC. It's all described in at manual.ardour.org under "Control Surfaces".
You will need a tool to send OSC commands ... "oscsend" is a common one.
> 2) Via a jltctrigger system call I need to send midi start / stop with
> midi clock to an external sequencer that doesn't support MTC or MMC (Genoqs
> Octopus). Google isn't showing much that is recent. Can you recommend the
> right tool for the job?
I don't think that there are any well known tools that will let you send an
MIDI Song Position Pointer message (start and stop are not MIDI clock).
THere are perhaps some low level tools that could write a few bytes to a
MIDI port.You also do this in most scripting languages in a few lines.
I hope you realize that sending start/stop will not provide synchronization
between the sequencer and the LTC source: that would require continuous
delivery of MIDI Clock messages, and they have absolutely nothing to do
with LTC at all.
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