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author | Max Horn | 2011-03-23 16:14:39 +0100 |
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committer | Max Horn | 2011-03-23 16:49:41 +0100 |
commit | e70fd59b3505619cccb6f3280a4cf0fb57aefa97 (patch) | |
tree | 055c9719a41c4706baa4e5c4837e5fd31da95486 /engines/m4/midi.cpp | |
parent | 29847ea42da3e597d3496972c80ce49bea76da20 (diff) | |
download | scummvm-rg350-e70fd59b3505619cccb6f3280a4cf0fb57aefa97.tar.gz scummvm-rg350-e70fd59b3505619cccb6f3280a4cf0fb57aefa97.tar.bz2 scummvm-rg350-e70fd59b3505619cccb6f3280a4cf0fb57aefa97.zip |
ENGINES: Further simplify pseudo MidiDrivers; fix some regressions
The regression affected AGOS and maybe some others; specifically,
the real MidiDriver would have been deleted twice -- I previously
missed that the Engine instances takes care of freeing the real
MidiDriver, not the MidiPlayer wrapping it.
This commit should clarify the ownership of the real MidiDriver for
most pseudo MidiDrivers.
Diffstat (limited to 'engines/m4/midi.cpp')
-rw-r--r-- | engines/m4/midi.cpp | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/engines/m4/midi.cpp b/engines/m4/midi.cpp index 36f7f29a2e..b5ae3b90ae 100644 --- a/engines/m4/midi.cpp +++ b/engines/m4/midi.cpp @@ -39,14 +39,21 @@ MidiPlayer::MidiPlayer(MadsM4Engine *vm, MidiDriver *driver) : _vm(vm), _midiDat _parser = MidiParser::createParser_SMF(); _parser->setMidiDriver(this); _parser->setTimerRate(_driver->getBaseTempo()); - open(); + + int ret = _driver->open(); + if (ret == 0) + _driver->setTimerCallback(this, &onTimer); } MidiPlayer::~MidiPlayer() { _driver->setTimerCallback(NULL, NULL); _parser->setMidiDriver(NULL); stopMusic(); - close(); + if (_driver) { + _driver->close(); + delete _driver; + } + _driver = 0; delete _parser; free(_midiData); } @@ -71,28 +78,6 @@ void MidiPlayer::setVolume(int volume) { } } -int MidiPlayer::open() { - // Don't ever call open without first setting the output driver! - if (!_driver) - return 255; - - int ret = _driver->open(); - if (ret) - return ret; - - _driver->setTimerCallback(this, &onTimer); - return 0; -} - -void MidiPlayer::close() { - stopMusic(); - if (_driver) { - _driver->close(); - delete _driver; - } - _driver = 0; -} - void MidiPlayer::send(uint32 b) { if (_passThrough) { _driver->send(b); |