I’m very happy about the release of Ardour 7 which I just installed on Linux Debian 11.
Unfortunately I can’t open all my files from 6.9. Files with pure audio tracks have not been a problem so far. Files with midi content do not work. With these files I get the error message:
ERROR: Unexpected exception during session establishment: basic_string::substr: __pos (which is 1) > this->size() (which is 0)
Do I still have to pay attention to any setting to open “old” files with MIDI content or …?
Thank’s for all helpful information.
This is unusual, and I do not immediately see how MIDI files and
substr[ing] exceptions are related. That would indicate some invalid Track Name perhaps.
Are there any unusual characters in the MIDI file or MIDI track name?
We have resolve this issue offline. – The problem were negative timestamps in the .ardour session file.
Apparently Arodur6 was able to write Regions with
length="-1" length-beats="-3.3650500597559585e-05" and Ardour7 failed to convert those timestamps.
Thank you for the quick and perfect help!
Meanwhile also fixed in Ardour 7.0-22-g23010a910d
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