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-rw-r--r--engines/cruise/sound.cpp29
1 files changed, 8 insertions, 21 deletions
diff --git a/engines/cruise/sound.cpp b/engines/cruise/sound.cpp
index 1f4960465e..7d48e6e139 100644
--- a/engines/cruise/sound.cpp
+++ b/engines/cruise/sound.cpp
@@ -125,7 +125,7 @@ public:
virtual int getRate() const { return _sampleRate; }
void initCard();
- void update(int16 *buf, int len);
+ void onTimer();
void setupInstrument(const byte *data, int channel);
void setupInstrument(const AdLibSoundInstrument *ins, int channel);
void loadRegisterInstrument(const byte *data, AdLibRegisterSoundInstrument *reg);
@@ -313,10 +313,12 @@ AdLibSoundDriver::AdLibSoundDriver(Audio::Mixer *mixer)
}
memset(_instrumentsTable, 0, sizeof(_instrumentsTable));
initCard();
- _mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
_musicVolume = ConfMan.getBool("music_mute") ? 0 : MIN(255, ConfMan.getInt("music_volume"));
_sfxVolume = ConfMan.getBool("sfx_mute") ? 0 : MIN(255, ConfMan.getInt("sfx_volume"));
+
+ _opl->start(new Common::Functor0Mem<void, AdLibSoundDriver>(this, &AdLibSoundDriver::onTimer), 50);
+ _mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
AdLibSoundDriver::~AdLibSoundDriver() {
@@ -389,8 +391,7 @@ void AdLibSoundDriver::stopAll() {
}
int AdLibSoundDriver::readBuffer(int16 *buffer, const int numSamples) {
- update(buffer, numSamples);
- return numSamples;
+ return _opl->readBuffer(buffer, numSamples);
}
void AdLibSoundDriver::initCard() {
@@ -417,23 +418,9 @@ void AdLibSoundDriver::initCard() {
_opl->writeReg(1, 0);
}
-void AdLibSoundDriver::update(int16 *buf, int len) {
- static int samplesLeft = 0;
- while (len != 0) {
- int count = samplesLeft;
- if (count > len) {
- count = len;
- }
- samplesLeft -= count;
- len -= count;
- _opl->readBuffer(buf, count);
- if (samplesLeft == 0) {
- if (_upCb) {
- (*_upCb)(_upRef);
- }
- samplesLeft = _sampleRate / 50;
- }
- buf += count;
+void AdLibSoundDriver::onTimer() {
+ if (_upCb) {
+ (*_upCb)(_upRef);
}
}