AUDIO: Remove all AudioStream access to OPL

This commit is contained in:
Matthew Hoops 2015-04-30 00:01:30 -04:00
parent 8bcbcd6c16
commit bed9da8b9d
27 changed files with 111 additions and 372 deletions

View File

@ -188,7 +188,8 @@ bool OPL::_hasInstance = false;
EmulatedOPL::EmulatedOPL() :
_nextTick(0),
_samplesPerTick(0),
_baseFreq(0) {
_baseFreq(0),
_handle(new Audio::SoundHandle()) {
}
EmulatedOPL::~EmulatedOPL() {
@ -197,6 +198,8 @@ EmulatedOPL::~EmulatedOPL() {
// needs to call stop() or the pointer can still use be used in
// the mixer thread at the same time.
stop();
delete _handle;
}
int EmulatedOPL::readBuffer(int16 *buffer, const int numSamples) {
@ -232,13 +235,11 @@ int EmulatedOPL::getRate() const {
void EmulatedOPL::startCallbacks(int timerFrequency) {
setCallbackFrequency(timerFrequency);
// TODO: Eventually start mixer playback here
//g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, _handle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, _handle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
void EmulatedOPL::stopCallbacks() {
// TODO: Eventually stop mixer playback here
//g_system->getMixer()->stopHandle(*_handle);
g_system->getMixer()->stopHandle(*_handle);
}
void EmulatedOPL::setCallbackFrequency(int timerFrequency) {

View File

@ -23,10 +23,16 @@
#ifndef AUDIO_FMOPL_H
#define AUDIO_FMOPL_H
#include "audio/audiostream.h"
#include "common/func.h"
#include "common/ptr.h"
#include "common/scummsys.h"
namespace Audio {
class SoundHandle;
}
namespace Common {
class String;
}
@ -148,23 +154,6 @@ public:
*/
virtual void writeReg(int r, int v) = 0;
/**
* Read up to 'length' samples.
*
* Data will be in native endianess, 16 bit per sample, signed.
* For stereo OPL, buffer will be filled with interleaved
* left and right channel samples, starting with a left sample.
* Furthermore, the samples in the left and right are summed up.
* So if you request 4 samples from a stereo OPL, you will get
* a total of two left channel and two right channel samples.
*/
virtual int readBuffer(int16 *buffer, const int numSamples) = 0;
/**
* Returns whether the setup OPL mode is stereo or not
*/
virtual bool isStereo() const = 0;
/**
* Start the OPL with callbacks.
*/
@ -205,17 +194,18 @@ protected:
Common::ScopedPtr<TimerCallback> _callback;
};
class EmulatedOPL : public OPL {
class EmulatedOPL : public OPL, protected Audio::AudioStream {
public:
EmulatedOPL();
virtual ~EmulatedOPL();
// OPL API
int readBuffer(int16 *buffer, const int numSamples);
bool isRunning() const;
void setCallbackFrequency(int timerFrequency);
// AudioStream API
int readBuffer(int16 *buffer, const int numSamples);
int getRate() const;
bool endOfData() const { return false; }
protected:
// OPL API
@ -243,6 +233,8 @@ private:
int _nextTick;
int _samplesPerTick;
Audio::SoundHandle *_handle;
};
} // End of namespace OPL

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@ -116,9 +116,9 @@ uint16 milesAdLibVolumeSensitivityTable[] = {
};
class MidiDriver_Miles_AdLib : public MidiDriver_Emulated {
class MidiDriver_Miles_AdLib : public MidiDriver {
public:
MidiDriver_Miles_AdLib(Audio::Mixer *mixer, InstrumentEntry *instrumentTablePtr, uint16 instrumentTableCount);
MidiDriver_Miles_AdLib(InstrumentEntry *instrumentTablePtr, uint16 instrumentTableCount);
virtual ~MidiDriver_Miles_AdLib();
// MidiDriver
@ -128,15 +128,8 @@ public:
MidiChannel *allocateChannel() { return NULL; }
MidiChannel *getPercussionChannel() { return NULL; }
// AudioStream
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return _modeStereo; }
int getRate() const { return _mixer->getOutputRate(); }
int getPolyphony() const { return _modePhysicalFmVoicesCount; }
bool hasRhythmChannel() const { return false; }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
void setVolume(byte volume);
virtual uint32 property(int prop, uint32 param);
@ -228,6 +221,8 @@ private:
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;
bool _isOpen;
// stores information about all MIDI channels (not the actual OPL FM voice channels!)
MidiChannelEntry _midiChannels[MILES_MIDI_CHANNEL_COUNT];
@ -275,9 +270,9 @@ private:
void pitchBendChange(byte MIDIchannel, byte parameter1, byte parameter2);
};
MidiDriver_Miles_AdLib::MidiDriver_Miles_AdLib(Audio::Mixer *mixer, InstrumentEntry *instrumentTablePtr, uint16 instrumentTableCount)
: MidiDriver_Emulated(mixer), _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0) {
MidiDriver_Miles_AdLib::MidiDriver_Miles_AdLib(InstrumentEntry *instrumentTablePtr, uint16 instrumentTableCount)
: _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0), _isOpen(false) {
_instrumentTablePtr = instrumentTablePtr;
_instrumentTableCount = instrumentTableCount;
@ -324,10 +319,9 @@ int MidiDriver_Miles_AdLib::open() {
_opl->init();
MidiDriver_Emulated::open();
_isOpen = true;
_opl->start(new Common::Functor0Mem<void, MidiDriver_Miles_AdLib>(this, &MidiDriver_Miles_AdLib::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, _mixer->kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
resetAdLib();
@ -335,9 +329,8 @@ int MidiDriver_Miles_AdLib::open() {
}
void MidiDriver_Miles_AdLib::close() {
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
_isOpen = false;
}
void MidiDriver_Miles_AdLib::setVolume(byte volume) {
@ -444,14 +437,6 @@ void MidiDriver_Miles_AdLib::send(uint32 b) {
}
}
void MidiDriver_Miles_AdLib::generateSamples(int16 *data, int len) {
// Dummy implementation until we no longer inherit from MidiDriver_Emulated
}
int MidiDriver_Miles_AdLib::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void MidiDriver_Miles_AdLib::setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) {
_adlibTimerProc = timerProc;
_adlibTimerParam = timerParam;
@ -1283,7 +1268,7 @@ MidiDriver *MidiDriver_Miles_AdLib_create(const Common::String &filenameAdLib, c
// Free instrument file/stream data
delete[] streamDataPtr;
return new MidiDriver_Miles_AdLib(g_system->getMixer(), instrumentTablePtr, instrumentTableCount);
return new MidiDriver_Miles_AdLib(instrumentTablePtr, instrumentTableCount);
}
} // End of namespace Audio

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@ -927,18 +927,20 @@ static void createLookupTable() {
//
////////////////////////////////////////
class MidiDriver_ADLIB : public MidiDriver_Emulated {
class MidiDriver_ADLIB : public MidiDriver {
friend class AdLibPart;
friend class AdLibPercussionChannel;
public:
MidiDriver_ADLIB(Audio::Mixer *mixer);
MidiDriver_ADLIB();
int open();
void close();
void send(uint32 b);
void send(byte channel, uint32 b); // Supports higher than channel 15
uint32 property(int prop, uint32 param);
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
void setPitchBendRange(byte channel, uint range);
void sysEx_customInstrument(byte channel, uint32 type, const byte *instr);
@ -946,12 +948,6 @@ public:
MidiChannel *allocateChannel();
MidiChannel *getPercussionChannel() { return &_percussion; } // Percussion partially supported
// AudioStream API
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return _opl->isStereo(); }
int getRate() const { return _mixer->getOutputRate(); }
virtual void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc);
private:
@ -980,7 +976,8 @@ private:
AdLibPart _parts[32];
AdLibPercussionChannel _percussion;
void generateSamples(int16 *buf, int len);
bool _isOpen;
void onTimer();
void partKeyOn(AdLibPart *part, const AdLibInstrument *instr, byte note, byte velocity, const AdLibInstrument *second, byte pan);
void partKeyOff(AdLibPart *part, byte note);
@ -1382,8 +1379,7 @@ void AdLibPercussionChannel::sysEx_customInstrument(uint32 type, const byte *ins
// MidiDriver method implementations
MidiDriver_ADLIB::MidiDriver_ADLIB(Audio::Mixer *mixer)
: MidiDriver_Emulated(mixer) {
MidiDriver_ADLIB::MidiDriver_ADLIB() {
uint i;
_scummSmallHeader = false;
@ -1411,13 +1407,14 @@ MidiDriver_ADLIB::MidiDriver_ADLIB(Audio::Mixer *mixer)
_opl = 0;
_adlibTimerProc = 0;
_adlibTimerParam = 0;
_isOpen = false;
}
int MidiDriver_ADLIB::open() {
if (_isOpen)
return MERR_ALREADY_OPEN;
MidiDriver_Emulated::open();
_isOpen = true;
int i;
AdLibVoice *voice;
@ -1461,8 +1458,6 @@ int MidiDriver_ADLIB::open() {
#endif
_opl->start(new Common::Functor0Mem<void, MidiDriver_ADLIB>(this, &MidiDriver_ADLIB::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
return 0;
}
@ -1471,7 +1466,8 @@ void MidiDriver_ADLIB::close() {
return;
_isOpen = false;
_mixer->stopHandle(_mixerSoundHandle);
// Stop the OPL timer
_opl->stop();
uint i;
for (i = 0; i < ARRAYSIZE(_voices); ++i) {
@ -1625,14 +1621,6 @@ void MidiDriver_ADLIB::adlibWriteSecondary(byte reg, byte value) {
}
#endif
void MidiDriver_ADLIB::generateSamples(int16 *data, int len) {
// Dummy implementation until we no longer inherit from MidiDriver_Emulated
}
int MidiDriver_ADLIB::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void MidiDriver_ADLIB::onTimer() {
if (_adlibTimerProc)
(*_adlibTimerProc)(_adlibTimerParam);
@ -2318,7 +2306,7 @@ MusicDevices AdLibEmuMusicPlugin::getDevices() const {
}
Common::Error AdLibEmuMusicPlugin::createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle) const {
*mididriver = new MidiDriver_ADLIB(g_system->getMixer());
*mididriver = new MidiDriver_ADLIB();
return Common::kNoError;
}

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@ -177,10 +177,6 @@ bool OPL::init() {
_emulator->WriteReg(0x105, 1);
}
// FIXME: Remove this once EmulatedOPL is actually controlling playback
if (!_callback)
start(0);
return true;
}

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@ -61,9 +61,6 @@ bool OPL::init() {
_opl = MAME::makeAdLibOPL(g_system->getMixer()->getOutputRate());
// FIXME: Remove this once EmulatedOPL is actually controlling playback
start(0);
return (_opl != 0);
}

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@ -112,9 +112,9 @@ const uint16 frequencyLookUpTableMusicDrv[12] = {
//
// I have currently not implemented dynamic channel allocation.
class MidiDriver_Accolade_AdLib : public MidiDriver_Emulated {
class MidiDriver_Accolade_AdLib : public MidiDriver {
public:
MidiDriver_Accolade_AdLib(Audio::Mixer *mixer);
MidiDriver_Accolade_AdLib();
virtual ~MidiDriver_Accolade_AdLib();
// MidiDriver
@ -124,15 +124,8 @@ public:
MidiChannel *allocateChannel() { return NULL; }
MidiChannel *getPercussionChannel() { return NULL; }
// AudioStream
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
int getPolyphony() const { return AGOS_ADLIB_VOICES_COUNT; }
bool hasRhythmChannel() const { return false; }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
void setVolume(byte volume);
virtual uint32 property(int prop, uint32 param);
@ -176,6 +169,8 @@ private:
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;
bool _isOpen;
// points to a MIDI channel for each of the new voice channels
byte _voiceChannelMapping[AGOS_ADLIB_VOICES_COUNT];
@ -196,9 +191,9 @@ private:
void noteOff(byte FMvoiceChannel, byte note, bool dontCheckNote);
};
MidiDriver_Accolade_AdLib::MidiDriver_Accolade_AdLib(Audio::Mixer *mixer)
: MidiDriver_Emulated(mixer), _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0) {
MidiDriver_Accolade_AdLib::MidiDriver_Accolade_AdLib()
: _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0), _isOpen(false) {
memset(_channelMapping, 0, sizeof(_channelMapping));
memset(_instrumentMapping, 0, sizeof(_instrumentMapping));
memset(_instrumentVolumeAdjust, 0, sizeof(_instrumentVolumeAdjust));
@ -227,10 +222,9 @@ int MidiDriver_Accolade_AdLib::open() {
_opl->init();
MidiDriver_Emulated::open();
_isOpen = true;
_opl->start(new Common::Functor0Mem<void, MidiDriver_Accolade_AdLib>(this, &MidiDriver_Accolade_AdLib::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, _mixer->kMaxChannelVolume, 0, DisposeAfterUse::NO);
resetAdLib();
@ -264,9 +258,8 @@ int MidiDriver_Accolade_AdLib::open() {
}
void MidiDriver_Accolade_AdLib::close() {
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
_isOpen = false;
}
void MidiDriver_Accolade_AdLib::setVolume(byte volume) {
@ -374,14 +367,6 @@ void MidiDriver_Accolade_AdLib::send(uint32 b) {
}
}
void MidiDriver_Accolade_AdLib::generateSamples(int16 *data, int len) {
// Dummy implementation until we no longer inherit from MidiDriver_Emulated
}
int MidiDriver_Accolade_AdLib::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void MidiDriver_Accolade_AdLib::setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) {
_adlibTimerProc = timerProc;
_adlibTimerParam = timerParam;
@ -886,7 +871,7 @@ MidiDriver *MidiDriver_Accolade_AdLib_create(Common::String driverFilename) {
if (!driverData)
error("ACCOLADE-ADLIB: error during readDriver()");
MidiDriver_Accolade_AdLib *driver = new MidiDriver_Accolade_AdLib(g_system->getMixer());
MidiDriver_Accolade_AdLib *driver = new MidiDriver_Accolade_AdLib();
if (driver) {
if (!driver->setupInstruments(driverData, driverDataSize, isMusicDrvFile)) {
delete driver;

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@ -101,7 +101,7 @@ struct AdLibSoundInstrument {
byte amDepth;
};
class AdLibSoundDriver : public PCSoundDriver, Audio::AudioStream {
class AdLibSoundDriver : public PCSoundDriver {
public:
AdLibSoundDriver(Audio::Mixer *mixer);
virtual ~AdLibSoundDriver();
@ -112,12 +112,6 @@ public:
virtual void stopChannel(int channel);
virtual void stopAll();
// AudioStream interface
virtual int readBuffer(int16 *buffer, const int numSamples);
virtual bool isStereo() const { return false; }
virtual bool endOfData() const { return false; }
virtual int getRate() const { return _sampleRate; }
void initCard();
void onTimer();
void setupInstrument(const byte *data, int channel);
@ -129,9 +123,7 @@ protected:
void *_upRef;
OPL::OPL *_opl;
int _sampleRate;
Audio::Mixer *_mixer;
Audio::SoundHandle _soundHandle;
byte _vibrato;
int _channelsVolumeTable[4];
@ -283,7 +275,6 @@ void PCSoundDriver::resetChannel(int channel) {
AdLibSoundDriver::AdLibSoundDriver(Audio::Mixer *mixer)
: _upCb(0), _upRef(0), _mixer(mixer) {
_sampleRate = _mixer->getOutputRate();
_opl = OPL::Config::create();
if (!_opl || !_opl->init())
error("Failed to create OPL");
@ -292,11 +283,9 @@ AdLibSoundDriver::AdLibSoundDriver(Audio::Mixer *mixer)
memset(_instrumentsTable, 0, sizeof(_instrumentsTable));
initCard();
_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() {
_mixer->stopHandle(_soundHandle);
delete _opl;
}
@ -346,10 +335,6 @@ void AdLibSoundDriver::stopAll() {
_opl->writeReg(0xBD, 0);
}
int AdLibSoundDriver::readBuffer(int16 *buffer, const int numSamples) {
return _opl->readBuffer(buffer, numSamples);
}
void AdLibSoundDriver::initCard() {
_vibrato = 0x20;
_opl->writeReg(0xBD, _vibrato);

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@ -108,7 +108,7 @@ struct VolumeEntry {
int adjusted;
};
class AdLibSoundDriver : public PCSoundDriver, Audio::AudioStream {
class AdLibSoundDriver : public PCSoundDriver {
public:
AdLibSoundDriver(Audio::Mixer *mixer);
virtual ~AdLibSoundDriver();
@ -118,12 +118,6 @@ public:
virtual void stopChannel(int channel);
virtual void stopAll();
// AudioStream interface
virtual int readBuffer(int16 *buffer, const int numSamples);
virtual bool isStereo() const { return false; }
virtual bool endOfData() const { return false; }
virtual int getRate() const { return _sampleRate; }
void initCard();
void onTimer();
void setupInstrument(const byte *data, int channel);
@ -136,9 +130,7 @@ public:
protected:
OPL::OPL *_opl;
int _sampleRate;
Audio::Mixer *_mixer;
Audio::SoundHandle _soundHandle;
byte _vibrato;
VolumeEntry _channelsVolumeTable[5];
@ -302,7 +294,6 @@ void PCSoundDriver::syncSounds() {
AdLibSoundDriver::AdLibSoundDriver(Audio::Mixer *mixer)
: _mixer(mixer) {
_sampleRate = _mixer->getOutputRate();
_opl = OPL::Config::create();
if (!_opl || !_opl->init())
error("Failed to create OPL");
@ -318,11 +309,9 @@ AdLibSoundDriver::AdLibSoundDriver(Audio::Mixer *mixer)
_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() {
_mixer->stopHandle(_soundHandle);
delete _opl;
}
@ -390,10 +379,6 @@ void AdLibSoundDriver::stopAll() {
_opl->writeReg(0xBD, 0);
}
int AdLibSoundDriver::readBuffer(int16 *buffer, const int numSamples) {
return _opl->readBuffer(buffer, numSamples);
}
void AdLibSoundDriver::initCard() {
_vibrato = 0x20;
_opl->writeReg(0xBD, _vibrato);

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@ -118,8 +118,6 @@ const uint16 AdLib::kHihatParams [kParamCount] = {
AdLib::AdLib(Audio::Mixer &mixer, int callbackFreq) : _mixer(&mixer), _opl(0),
_toPoll(0), _repCount(0), _first(true), _playing(false), _ended(true), _volume(0) {
_rate = _mixer->getOutputRate();
initFreqs();
createOPL();
@ -128,13 +126,9 @@ AdLib::AdLib(Audio::Mixer &mixer, int callbackFreq) : _mixer(&mixer), _opl(0),
syncVolume();
_opl->start(new Common::Functor0Mem<void, AdLib>(this, &AdLib::onTimer), callbackFreq);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_handle,
this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
AdLib::~AdLib() {
_mixer->stopHandle(_handle);
delete _opl;
}
@ -168,10 +162,6 @@ void AdLib::createOPL() {
}
}
int AdLib::readBuffer(int16 *buffer, const int numSamples) {
return _opl->readBuffer(buffer, numSamples);
}
void AdLib::onTimer() {
Common::StackLock slock(_mutex);
@ -218,22 +208,6 @@ void AdLib::onTimer() {
}
}
bool AdLib::isStereo() const {
return _opl->isStereo();
}
bool AdLib::endOfData() const {
return false;
}
bool AdLib::endOfStream() const {
return false;
}
int AdLib::getRate() const {
return _rate;
}
bool AdLib::isPlaying() const {
return _playing;
}

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@ -35,7 +35,7 @@ namespace OPL {
namespace Gob {
/** Base class for a player of an AdLib music format. */
class AdLib : public Audio::AudioStream {
class AdLib {
public:
AdLib(Audio::Mixer &mixer, int callbackFrequency);
virtual ~AdLib();
@ -55,13 +55,6 @@ public:
void stopPlay();
void syncVolume();
// AudioStream API
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const;
bool endOfData() const;
bool endOfStream() const;
int getRate() const;
protected:
enum kVoice {
kVoiceMelody0 = 0,
@ -233,7 +226,6 @@ private:
Audio::Mixer *_mixer;
Audio::SoundHandle _handle;
OPL::OPL *_opl;
Common::Mutex _mutex;

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@ -57,8 +57,12 @@ uint32 MUSPlayer::pollMusic(bool first) {
return 0;
}
if (first)
if (first) {
// Set the timer frequency on first run.
// Do not set it in rewind() for thread safety reasons.
setTimerFrequency((_ticksPerBeat * _tempo) / 60);
return *_playPos++;
}
uint16 delay = 0;
while (delay == 0) {
@ -185,8 +189,6 @@ void MUSPlayer::rewind() {
setPercussionMode(_soundMode != 0);
setPitchRange(_pitchBendRange);
setTimerFrequency((_ticksPerBeat * _tempo) / 60);
}
bool MUSPlayer::loadSND(Common::SeekableReadStream &snd) {

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@ -55,7 +55,7 @@
namespace Kyra {
class AdLibDriver : public Audio::AudioStream {
class AdLibDriver {
public:
AdLibDriver(Audio::Mixer *mixer, int version);
~AdLibDriver();
@ -70,16 +70,6 @@ public:
void callback();
// AudioStream API
int readBuffer(int16 *buffer, const int numSamples) {
return _adlib->readBuffer(buffer, numSamples);
}
bool isStereo() const { return false; }
bool endOfData() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
void setSyncJumpMask(uint16 mask) { _syncJumpMask = mask; }
void setMusicVolume(uint8 volume);
@ -388,7 +378,6 @@ private:
Common::Mutex _mutex;
Audio::Mixer *_mixer;
Audio::SoundHandle _soundHandle;
uint8 _musicVolume, _sfxVolume;
@ -440,11 +429,9 @@ AdLibDriver::AdLibDriver(Audio::Mixer *mixer, int version) {
_retrySounds = false;
_adlib->start(new Common::Functor0Mem<void, AdLibDriver>(this, &AdLibDriver::callback), CALLBACKS_PER_SECOND);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
AdLibDriver::~AdLibDriver() {
_mixer->stopHandle(_soundHandle);
delete _adlib;
_adlib = 0;
}

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@ -213,16 +213,12 @@ ASound::ASound(Audio::Mixer *mixer, OPL::OPL *opl, const Common::String &filenam
command0();
_opl->start(new Common::Functor0Mem<void, ASound>(this, &ASound::onTimer), CALLBACKS_PER_SECOND);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1,
Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
ASound::~ASound() {
Common::List<CachedDataEntry>::iterator i;
for (i = _dataCache.begin(); i != _dataCache.end(); ++i)
delete[] (*i)._data;
_mixer->stopHandle(_soundHandle);
}
void ASound::validate() {
@ -828,20 +824,12 @@ void ASound::updateFNumber() {
write2(8, hiReg, val2);
}
int ASound::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void ASound::onTimer() {
Common::StackLock slock(_driverMutex);
poll();
flush();
}
int ASound::getRate() const {
return g_system->getMixer()->getOutputRate();
}
void ASound::setVolume(int volume) {
_masterVolume = volume;
if (!volume)

View File

@ -145,7 +145,7 @@ struct CachedDataEntry {
/**
* Base class for the sound player resource files
*/
class ASound : public Audio::AudioStream {
class ASound {
private:
Common::List<CachedDataEntry> _dataCache;
uint16 _randomSeed;
@ -282,7 +282,6 @@ protected:
public:
Audio::Mixer *_mixer;
OPL::OPL *_opl;
Audio::SoundHandle _soundHandle;
AdlibChannel _channels[ADLIB_CHANNEL_COUNT];
AdlibChannel *_activeChannelPtr;
AdlibChannelData _channelData[11];
@ -367,27 +366,6 @@ public:
*/
CachedDataEntry &getCachedData(byte *pData);
// AudioStream interface
/**
* Main buffer read
*/
virtual int readBuffer(int16 *buffer, const int numSamples);
/**
* Mono sound only
*/
virtual bool isStereo() const { return false; }
/**
* Data is continuously pushed, so definitive end
*/
virtual bool endOfData() const { return false; }
/**
* Return sample rate
*/
virtual int getRate() const;
/**
* Set the volume
*/

View File

@ -25,7 +25,7 @@
#include "audio/fmopl.h"
#include "audio/mpu401.h"
#include "audio/softsynth/emumidi.h"
#include "audio/mididrv.h"
namespace Parallaction {
@ -270,11 +270,13 @@ struct MelodicVoice {
int8 _octave;
};
class AdLibDriver : public MidiDriver_Emulated {
class AdLibDriver : public MidiDriver {
public:
AdLibDriver(Audio::Mixer *mixer) : MidiDriver_Emulated(mixer) {
AdLibDriver(Audio::Mixer *mixer) {
for (uint i = 0; i < 16; ++i)
_channels[i].init(this, i);
_isOpen = false;
}
int open();
@ -282,12 +284,9 @@ public:
void send(uint32 b);
MidiChannel *allocateChannel();
MidiChannel *getPercussionChannel() { return &_channels[9]; }
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
bool isStereo() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
int readBuffer(int16 *data, const int numSamples);
void generateSamples(int16 *buf, int len) {}
virtual void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) {
_adlibTimerProc = timerProc;
_adlibTimerParam = timerParam;
@ -331,6 +330,7 @@ private:
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;
bool _isOpen;
};
MidiDriver *createAdLibDriver() {
@ -359,7 +359,7 @@ int AdLibDriver::open() {
if (_isOpen)
return MERR_ALREADY_OPEN;
MidiDriver_Emulated::open();
_isOpen = true;
_opl = OPL::Config::create();
_opl->init();
@ -376,7 +376,6 @@ int AdLibDriver::open() {
initVoices();
_opl->start(new Common::Functor0Mem<void, AdLibDriver>(this, &AdLibDriver::onTimer));
_mixer->playStream(Audio::Mixer::kMusicSoundType, &_mixerSoundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
return 0;
}
@ -385,7 +384,6 @@ void AdLibDriver::close() {
return;
_isOpen = false;
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
}
@ -789,10 +787,6 @@ MidiChannel *AdLibDriver::allocateChannel() {
return NULL;
}
int AdLibDriver::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void AdLibDriver::onTimer() {
if (_adlibTimerProc)
(*_adlibTimerProc)(_adlibTimerParam);

View File

@ -28,7 +28,7 @@
namespace Queen {
int AdLibMidiDriver::open() {
MidiDriver_Emulated::open();
_isOpen = true;
_opl = OPL::Config::create();
if (!_opl || !_opl->init())
error("Failed to create OPL");
@ -41,12 +41,10 @@ int AdLibMidiDriver::open() {
}
_opl->start(new Common::Functor0Mem<void, AdLibMidiDriver>(this, &AdLibMidiDriver::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
return 0;
}
void AdLibMidiDriver::close() {
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
}
@ -110,14 +108,6 @@ void AdLibMidiDriver::metaEvent(byte type, byte *data, uint16 length) {
warning("Unhandled meta event %d len %d", event, length);
}
void AdLibMidiDriver::generateSamples(int16 *data, int len) {
// Dummy implementation
}
int AdLibMidiDriver::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void AdLibMidiDriver::setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) {
_adlibTimerProc = timerProc;
_adlibTimerParam = timerParam;

View File

@ -22,14 +22,17 @@
#include "audio/fmopl.h"
#include "audio/mididrv.h"
#include "audio/softsynth/emumidi.h"
namespace Queen {
class AdLibMidiDriver : public MidiDriver_Emulated {
class AdLibMidiDriver : public MidiDriver {
public:
AdLibMidiDriver(Audio::Mixer *mixer) : MidiDriver_Emulated(mixer) { _adlibWaveformSelect = 0; }
AdLibMidiDriver() {
_adlibWaveformSelect = 0;
_isOpen = false;
}
~AdLibMidiDriver() {}
// MidiDriver
@ -40,14 +43,8 @@ public:
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc);
// AudioStream
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
void setVolume(uint32 volume);
@ -74,8 +71,8 @@ private:
void adlibTurnNoteOn(int channel, int note);
void adlibSetupChannelFromSequence(int channel, const uint8 *src, int fl);
void adlibSetupChannel(int channel, const uint16 *src, int fl);
void adlibSetChannelVolume(int channel, uint8 volume);
void adlibSetNoteVolume(int channel, int volume);
void adlibSetChannelVolume(int channel, uint8 volume);
void adlibSetupChannelHelper(int channel);
void adlibSetChannel0x40(int channel);
void adlibSetChannel0xC0(int channel);
@ -106,6 +103,7 @@ private:
uint16 _adlibMetaSequenceData[28];
uint8 _adlibChannelsVolumeTable[11];
bool _isOpen;
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;

View File

@ -68,7 +68,7 @@ MidiMusic::MidiMusic(QueenEngine *vm)
// if (READ_LE_UINT16(_musicData + 2) != infoOffset) {
// defaultAdLibVolume = _musicData[infoOffset];
// }
_driver = new AdLibMidiDriver(g_system->getMixer());
_driver = new AdLibMidiDriver();
} else {
_driver = MidiDriver::createMidi(dev);
if (_nativeMT32) {

View File

@ -27,7 +27,7 @@
#include "common/textconsole.h"
#include "audio/fmopl.h"
#include "audio/softsynth/emumidi.h"
#include "audio/mididrv.h"
#include "sci/resource.h"
#include "sci/sound/drivers/mididriver.h"
@ -43,30 +43,27 @@ namespace Sci {
// FIXME: We don't seem to be sending the polyphony init data, so disable this for now
#define ADLIB_DISABLE_VOICE_MAPPING
class MidiDriver_AdLib : public MidiDriver_Emulated {
class MidiDriver_AdLib : public MidiDriver {
public:
enum {
kVoices = 9,
kRhythmKeys = 62
};
MidiDriver_AdLib(Audio::Mixer *mixer) : MidiDriver_Emulated(mixer), _playSwitch(true), _masterVolume(15), _rhythmKeyMap(0), _opl(0) { }
MidiDriver_AdLib(Audio::Mixer *mixer) :_playSwitch(true), _masterVolume(15), _rhythmKeyMap(0), _opl(0), _isOpen(false) { }
virtual ~MidiDriver_AdLib() { }
// MidiDriver
int open() { return -1; } // Dummy implementation (use openAdLib)
int openAdLib(bool isSCI0);
void close();
void send(uint32 b);
MidiChannel *allocateChannel() { return NULL; }
MidiChannel *getPercussionChannel() { return NULL; }
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
// AudioStream
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return _stereo; }
int getRate() const { return _mixer->getOutputRate(); }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
// MidiDriver
void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc);
void onTimer();
@ -137,6 +134,7 @@ private:
bool _stereo;
bool _isSCI0;
OPL::OPL *_opl;
bool _isOpen;
bool _playSwitch;
int _masterVolume;
Channel _channels[MIDI_CHANNELS];
@ -227,7 +225,7 @@ int MidiDriver_AdLib::openAdLib(bool isSCI0) {
debug(3, "ADLIB: Starting driver in %s mode", (isSCI0 ? "SCI0" : "SCI1"));
_isSCI0 = isSCI0;
_opl = OPL::Config::create(isStereo() ? OPL::Config::kDualOpl2 : OPL::Config::kOpl2);
_opl = OPL::Config::create(_stereo ? OPL::Config::kDualOpl2 : OPL::Config::kOpl2);
// Try falling back to mono, thus plain OPL2 emualtor, when no Dual OPL2 is available.
if (!_opl && _stereo) {
@ -244,17 +242,14 @@ int MidiDriver_AdLib::openAdLib(bool isSCI0) {
setRegister(0x08, 0);
setRegister(0x01, 0x20);
MidiDriver_Emulated::open();
_isOpen = true;
_opl->start(new Common::Functor0Mem<void, MidiDriver_AdLib>(this, &MidiDriver_AdLib::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, _mixer->kMaxChannelVolume, 0, DisposeAfterUse::NO);
return 0;
}
void MidiDriver_AdLib::close() {
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
delete[] _rhythmKeyMap;
}
@ -331,14 +326,6 @@ void MidiDriver_AdLib::send(uint32 b) {
}
}
int MidiDriver_AdLib::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void MidiDriver_AdLib::generateSamples(int16 *data, int len) {
// Dummy implementation
}
void MidiDriver_AdLib::setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) {
_adlibTimerProc = timerProc;
_adlibTimerParam = timerParam;
@ -702,7 +689,7 @@ void MidiDriver_AdLib::setVelocityReg(int regOffset, int velocity, int kbScaleLe
if (!_playSwitch)
velocity = 0;
if (isStereo()) {
if (_stereo) {
int velLeft = velocity;
int velRight = velocity;
@ -752,7 +739,7 @@ void MidiDriver_AdLib::setRegister(int reg, int value, int channels) {
_opl->write(0x221, value);
}
if (isStereo()) {
if (_stereo) {
if (channels & kRightChannel) {
_opl->write(0x222, reg);
_opl->write(0x223, value);

View File

@ -36,7 +36,7 @@ namespace Scumm {
#define AD_CALLBACK_FREQUENCY 472
Player_AD::Player_AD(ScummEngine *scumm, Audio::Mixer *mixer)
: _vm(scumm), _mixer(mixer), _rate(mixer->getOutputRate()) {
: _vm(scumm), _mixer(mixer) {
_opl2 = OPL::Config::create();
if (!_opl2->init()) {
error("Could not initialize OPL2 emulator");
@ -73,12 +73,9 @@ Player_AD::Player_AD(ScummEngine *scumm, Audio::Mixer *mixer)
_isSeeking = false;
_opl2->start(new Common::Functor0Mem<void, Player_AD>(this, &Player_AD::onTimer), AD_CALLBACK_FREQUENCY);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
Player_AD::~Player_AD() {
_mixer->stopHandle(_soundHandle);
stopAllSounds();
Common::StackLock lock(_mutex);
delete _opl2;
@ -250,10 +247,6 @@ void Player_AD::onTimer() {
updateSfx();
}
int Player_AD::readBuffer(int16 *buffer, const int numSamples) {
return _opl2->readBuffer(buffer, numSamples);
}
void Player_AD::setupVolume() {
// Setup the correct volume
_musicVolume = CLIP<int>(ConfMan.getInt("music_volume"), 0, Audio::Mixer::kMaxChannelVolume);

View File

@ -41,7 +41,7 @@ class ScummEngine;
/**
* Sound output for v3/v4 AdLib data.
*/
class Player_AD : public MusicEngine, public Audio::AudioStream {
class Player_AD : public MusicEngine {
public:
Player_AD(ScummEngine *scumm, Audio::Mixer *mixer);
virtual ~Player_AD();
@ -56,12 +56,6 @@ public:
virtual void saveLoadWithSerializer(Serializer *ser);
// AudioStream API
virtual int readBuffer(int16 *buffer, const int numSamples);
virtual bool isStereo() const { return false; }
virtual bool endOfData() const { return false; }
virtual int getRate() const { return _rate; }
// Timer callback
void onTimer();
@ -69,8 +63,6 @@ private:
ScummEngine *const _vm;
Common::Mutex _mutex;
Audio::Mixer *const _mixer;
const int _rate;
Audio::SoundHandle _soundHandle;
void setupVolume();
int _musicVolume;

View File

@ -216,11 +216,11 @@ uint16 frequencyLookUpTable[SHERLOCK_ADLIB_NOTES_COUNT] = {
0x1DE6, 0x1E03, 0x1E22, 0x1E42, 0x1E65, 0x1E89
};
class MidiDriver_SH_AdLib : public MidiDriver_Emulated {
class MidiDriver_SH_AdLib : public MidiDriver {
public:
MidiDriver_SH_AdLib(Audio::Mixer *mixer)
: MidiDriver_Emulated(mixer), _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0) {
: _masterVolume(15), _opl(0),
_adlibTimerProc(0), _adlibTimerParam(0), _isOpen(false) {
memset(_voiceChannelMapping, 0, sizeof(_voiceChannelMapping));
}
virtual ~MidiDriver_SH_AdLib() { }
@ -231,17 +231,12 @@ public:
void send(uint32 b);
MidiChannel *allocateChannel() { return NULL; }
MidiChannel *getPercussionChannel() { return NULL; }
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
// AudioStream
int readBuffer(int16 *data, const int numSamples);
bool isStereo() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
int getPolyphony() const { return SHERLOCK_ADLIB_VOICES_COUNT; }
bool hasRhythmChannel() const { return false; }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
virtual void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc);
void setVolume(byte volume);
@ -268,6 +263,8 @@ private:
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;
bool _isOpen;
// points to a MIDI channel for each of the new voice channels
byte _voiceChannelMapping[SHERLOCK_ADLIB_VOICES_COUNT];
@ -299,16 +296,16 @@ int MidiDriver_SH_AdLib::open() {
_opl->init();
MidiDriver_Emulated::open();
_isOpen = true;
_opl->start(new Common::Functor0Mem<void, MidiDriver_SH_AdLib>(this, &MidiDriver_SH_AdLib::onTimer));
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, _mixer->kMaxChannelVolume, 0, DisposeAfterUse::NO);
return 0;
}
void MidiDriver_SH_AdLib::close() {
_mixer->stopHandle(_mixerSoundHandle);
// Stop the OPL timer
_opl->stop();
delete _opl;
}
@ -427,14 +424,6 @@ void MidiDriver_SH_AdLib::send(uint32 b) {
}
}
void MidiDriver_SH_AdLib::generateSamples(int16 *data, int len) {
// Dummy implementation until we no longer inherit from MidiDriver_Emulated
}
int MidiDriver_SH_AdLib::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void MidiDriver_SH_AdLib::noteOn(byte MIDIchannel, byte note, byte velocity) {
int16 oldestInUseChannel = -1;
uint16 oldestInUseTimer = 0;

View File

@ -33,25 +33,18 @@ namespace Sky {
AdLibMusic::AdLibMusic(Audio::Mixer *pMixer, Disk *pDisk) : MusicBase(pMixer, pDisk) {
_driverFileBase = 60202;
_sampleRate = pMixer->getOutputRate();
_opl = OPL::Config::create();
if (!_opl || !_opl->init())
error("Failed to create OPL");
_opl->start(new Common::Functor0Mem<void, AdLibMusic>(this, &AdLibMusic::onTimer), 50);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
AdLibMusic::~AdLibMusic() {
_mixer->stopHandle(_soundHandle);
delete _opl;
}
int AdLibMusic::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void AdLibMusic::onTimer() {
if (_musicData != NULL)
pollMusic();
@ -97,16 +90,4 @@ void AdLibMusic::setVolume(uint16 param) {
_channels[cnt]->updateVolume(_musicVolume);
}
bool AdLibMusic::isStereo() const {
return false;
}
bool AdLibMusic::endOfData() const {
return false;
}
int AdLibMusic::getRate() const {
return _sampleRate;
}
} // End of namespace Sky

View File

@ -32,21 +32,16 @@ class OPL;
namespace Sky {
class AdLibMusic : public Audio::AudioStream, public MusicBase {
class AdLibMusic : public MusicBase {
public:
AdLibMusic(Audio::Mixer *pMixer, Disk *pDisk);
~AdLibMusic();
// AudioStream API
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const;
bool endOfData() const;
int getRate() const;
virtual void setVolume(uint16 param);
private:
OPL::OPL *_opl;
Audio::SoundHandle _soundHandle;
uint8 *_initSequence;
uint32 _sampleRate;
virtual void setupPointers();

View File

@ -2743,7 +2743,6 @@ AdlibSoundDriver::AdlibSoundDriver(): SoundDriver() {
_groupData._pData = &adlib_group_data[0];
_mixer = g_vm->_mixer;
_sampleRate = _mixer->getOutputRate();
_opl = OPL::Config::create();
assert(_opl);
_opl->init();
@ -2767,12 +2766,10 @@ AdlibSoundDriver::AdlibSoundDriver(): SoundDriver() {
}
_opl->start(new Common::Functor0Mem<void, AdlibSoundDriver>(this, &AdlibSoundDriver::onTimer), CALLBACKS_PER_SECOND);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
}
AdlibSoundDriver::~AdlibSoundDriver() {
DEALLOCATE(_patchData);
_mixer->stopHandle(_soundHandle);
delete _opl;
}
@ -3015,10 +3012,6 @@ void AdlibSoundDriver::setFrequency(int channel) {
((dataWord >> 8) & 3) | (var2 << 2));
}
int AdlibSoundDriver::readBuffer(int16 *data, const int numSamples) {
return _opl->readBuffer(data, numSamples);
}
void AdlibSoundDriver::onTimer() {
Common::StackLock slock1(SoundManager::sfManager()._serverDisabledMutex);
Common::StackLock slock2(SoundManager::sfManager()._serverSuspendedMutex);

View File

@ -449,13 +449,11 @@ public:
#define ADLIB_CHANNEL_COUNT 9
class AdlibSoundDriver: public SoundDriver, Audio::AudioStream {
class AdlibSoundDriver: public SoundDriver {
private:
GroupData _groupData;
Audio::Mixer *_mixer;
OPL::OPL *_opl;
Audio::SoundHandle _soundHandle;
int _sampleRate;
byte _portContents[256];
const byte *_patchData;
int _masterVolume;
@ -494,12 +492,6 @@ public:
virtual void proc38(int channel, int cmd, int value);
virtual void setPitch(int channel, int pitchBlend);
// AudioStream interface
virtual int readBuffer(int16 *data, const int numSamples);
virtual bool isStereo() const { return false; }
virtual bool endOfData() const { return false; }
virtual int getRate() const { return _sampleRate; }
private:
void onTimer();
};