This is the command jack_midi_clock that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
jack_midi_clock - JACK MIDI Beat Clock Generator
SYNOPSIS
jack_midi_clock [ OPTIONS ] [JACK-port]*
DESCRIPTION
jack_midi_clock - JACK app to generate MCLK from JACK transport.
OPTIONS
-b <bpm>, --bpm <bpm>
default BPM (if jack timecode master in not available)
-B, --force-bpm
ignore jack timecode master
-d <sec>, --resync-delay <sec>
seconds between 'song-position' and 'continue' message
-J, --jitter-level <percent>
add artificial jitter to the signal 0..20% default: off (0)
-P, --no-position
do not send song-position (0xf2) messages
-T, --no-transport
do not send start/stop/continue messages
-s, --strict-bpm
interpret tempo strictly as beats per minute (default is quarter-notes per minute)
-h, --help
display this help and exit
-V, --version
print version information and exit
jack_midi_clock sends MIDI beat clock message if jack-transport is rolling. it also sends
start, continue and stop MIDI realtime messages whenever the transport changes state
(unless -T option is used).
In order for jack_midi_clock to send clock messages, a JACK timecode master must be
present and provide the tempo map (bar, beat, tick). Alternatively the -b option can be
used to set a default BPM value. If a value larger than zero is given, it will be used if
no timecode master is present. Combined with the -B option it can used to override and
ignore the JACK timecode master and only act on transport state alone.
Either way, jack_midi_clock will never act as timecode master itself.
Note that song-position information is only sent if a timecode master is present ad the -P
option is not given.
To allow external synths to accurately sync to song-position, there is a two second delay
between the 'song-position changed' message (which is not a MIDI realtime message) and the
'continue transport' message. This delay can be configured with the -d option and is only
relevant for if playback starts at a bar|beat|tick other than 1|1|0 in which case a
'start' message is sent immediately.
jack_midi_clock runs until it receives a HUP or INT signal or jackd is terminated.
See also: jack_transport(1), jack_mclk_dump(1)
REPORTING BUGS
Report bugs to Robin Gareus <robin@gareus.org>
Website: https://github.com/x42/jack_midi_clock/
COPYRIGHT
Copyright © GPL 2013 Robin Gareus <robin@gareus.org>
Copyright © GPL 2009 Gabriel M. Beddingfield <gabriel@teuton.org>
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