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author | Max Horn | 2011-03-21 15:42:17 +0100 |
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committer | Max Horn | 2011-03-22 23:51:47 +0100 |
commit | 8982fff1b79aa3cc53a5c328b283e0f102cb647f (patch) | |
tree | 01e3835be4fcdf9acbbea5e7878e0c6cfdb5b5fe /engines/kyra/script_v2.cpp | |
parent | 92716d71edfe1b23482306e74a1d249c4f43bb0b (diff) | |
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AUDIO: Add pure virtual MidiDriver::isOpen() method
This in turn enables modifying MidiDriver_MPU401::close() to allow
it to be called on a midi driver that has not yet been opened.
The specific issue that triggered me to make these changes was a
crash-upon-quit in HUGO, caused by it instantiating a midi driver,
then encountering an error (missing hugo.dat) *before* having
opened the new midi driver; the general cleanup code then tries
to close the (not yet opened) midi driver -> kaboom
Also fixed some engines which were leaking MidiDriver instances.
Diffstat (limited to 'engines/kyra/script_v2.cpp')
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