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SCI/new music: Resolved another possible deadlock when pausing all sounds

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svn-id: r46971
This commit is contained in:
Filippos Karapetis 2010-01-04 14:43:14 +00:00
parent 60ece55fb9
commit d437b25c57
1 changed files with 11 additions and 4 deletions
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15
engines/sci/sfx/soundcmd.cpp
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@ -529,20 +529,24 @@ void SoundCommandParser::cmdPauseSound(reg_t obj, int16 value) {
changeSoundStatus(obj, value ? SOUND_STATUS_SUSPENDED : SOUND_STATUS_PLAYING);
#else
Common::StackLock lock(_music->_mutex);
MusicEntry *musicSlot = NULL;
MusicList::iterator slotLoop = NULL;
MusicList::iterator listEnd = NULL;
if (!obj.segment) {
// Pausing/Resuming the whole playlist was introduced
// in the SCI1 late sound scheme
if (_soundVersion <= SCI_VERSION_1_EARLY)
return;
_music->_mutex.lock();
slotLoop = _music->getPlayListStart();
listEnd = _music->getPlayListEnd();
musicSlot = *slotLoop;
_music->_mutex.unlock();
} else {
_music->_mutex.lock();
musicSlot = _music->getSlot(obj);
_music->_mutex.unlock();
if (!musicSlot) {
warning("cmdPauseSound: Slot not found (%04x:%04x)", PRINT_REG(obj));
return;
@ -561,10 +565,13 @@ void SoundCommandParser::cmdPauseSound(reg_t obj, int16 value) {
}
if (slotLoop) {
if (slotLoop == _music->getPlayListEnd())
if (slotLoop == listEnd) {
break;
else
} else {
_music->_mutex.lock();
musicSlot = *(slotLoop++);
_music->_mutex.unlock();
}
}
} while (slotLoop);