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IDProjectCategoryView StatusLast Update
0004144ardourbugspublic2020-04-19 20:15
Reporterpneuman Assigned Topaul  
PrioritynormalSeverityminorReproducibilityalways
Status closedResolutionfixed 
Target Version3.0-beta1 
Summary0004144: MIDI tracks ignore input unless transport is running
DescriptionIf I create a new MIDI track, add a synth plugin, and connect its input to my MIDI keyboard, I can hit the keys while the transport is not running and hear the synth play. If I start the transport, I can still hit the keys and hear the synth play.

However, after saving and reloading the session, if I hit a key without the transport running, no sound is heard. If I start the transport and hit some keys, I can once again hear the synth play.

Steps to reproduce:
* add a MIDI track
* add a synth plugin to it
* connect a MIDI input device to it
* hit some keys and make sure you can hear the synth
* save the session
* exit and restart Ardour
* load the session
* hit some keys -- the synth will not sound
* start the transport, and then hit some keys -- the synth will sound

I've attached a sample session that demonstrates the issue.
Additional InformationArdour 3.0 SVN r9773
OS: Ubuntu 10.10 AMD64
TagsNo tags attached.

Activities

2011-06-29 08:30

 

A3MIDITest.tar.gz (16,457 bytes)

pneuman

2011-07-03 09:06

reporter   ~0010961

I just discovered that this issue only occurs when there's a synth plugin in the track -- if you repeat the steps above, but instead of adding a synth plugin, you instead simply connect the track's MIDI out to an external synth, it continues to work properly after saving and reloading the session.

Also, removing the existing synth plugin from a "broken" track, and adding that same plugin back, restores normal operation, at least until the next save and reload.

in0giro

2011-07-08 04:46

reporter   ~0010992

i can confirm the same behavior with revision 9807 on x86_64 Gentoo: at first a MIDI track with a synth plugin generates sound whether or not transport is running. after restarting session, the MIDI track only makes sound when the transport is running.

paul

2011-07-08 21:59

administrator   ~0011007

should be fixed in 3.0 svn as of rev 9814

pneuman

2011-07-09 03:19

reporter   ~0011008

Thanks Paul, I've just confirmed that that's working for me (and it hasn't broken anything else, as far as I can tell).

in0giro

2011-07-10 20:14

reporter   ~0011043

can also confirm that the fix is working and has seemed to changed anything else.

thanks.

paul

2011-07-10 20:20

administrator   ~0011045

see notes.

system

2020-04-19 20:15

developer   ~0022635

Issue has been closed automatically, by Trigger Close Plugin.
Feel free to re-open with additional information if you think the issue is not resolved.

Issue History

Date Modified Username Field Change
2011-06-29 08:30 pneuman New Issue
2011-06-29 08:30 pneuman File Added: A3MIDITest.tar.gz
2011-06-29 17:46 cth103 cost => 0.00
2011-06-29 17:46 cth103 Target Version => 3.0-beta1
2011-07-03 09:06 pneuman Note Added: 0010961
2011-07-03 22:45 cth103 Status new => confirmed
2011-07-08 04:46 in0giro Note Added: 0010992
2011-07-08 21:59 paul Note Added: 0011007
2011-07-09 03:19 pneuman Note Added: 0011008
2011-07-10 20:14 in0giro Note Added: 0011043
2011-07-10 20:20 paul Note Added: 0011045
2011-07-10 20:20 paul Status confirmed => resolved
2011-07-10 20:20 paul Resolution open => fixed
2011-07-10 20:20 paul Assigned To => paul
2020-04-19 20:15 system Note Added: 0022635
2020-04-19 20:15 system Status resolved => closed