use PlayistChanged appropriately to fix MIDI output
authorPaul Davis <paul@linuxaudiosystems.com>
Tue, 10 Dec 2019 19:22:05 +0000 (12:22 -0700)
committerPaul Davis <paul@linuxaudiosystems.com>
Tue, 10 Dec 2019 19:22:05 +0000 (12:22 -0700)
commit963f2a470a63ac3949d235ccf09b0bfb7c63e342
tree1dc4590e6e1115f69454756f1fc43ee0d39c54d7
parentaf2d0dfb15248319c248534252ea82268b5f4932
use PlayistChanged appropriately to fix MIDI output

We didn't render the MIDI data when a playlist was set, only when modified.
libs/ardour/disk_reader.cc