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-rw-r--r--engines/agi/sound.cpp553
1 files changed, 42 insertions, 511 deletions
diff --git a/engines/agi/sound.cpp b/engines/agi/sound.cpp
index 0a71bcabca..2ca2706259 100644
--- a/engines/agi/sound.cpp
+++ b/engines/agi/sound.cpp
@@ -23,6 +23,15 @@
*
*/
+#include "agi/agi.h"
+
+#include "agi/sound_2gs.h"
+#include "agi/sound_coco3.h"
+#include "agi/sound_midi.h"
+#include "agi/sound_sarien.h"
+#include "agi/sound_pcjr.h"
+
+#if 0
#include "common/md5.h"
#include "common/config-manager.h"
#include "common/fs.h"
@@ -31,16 +40,11 @@
#include "sound/mididrv.h"
-#include "agi/agi.h"
-#include "agi/sound_2gs.h"
-#include "agi/sound_midi.h"
-#include "agi/sound_pcjr.h"
+#endif
namespace Agi {
-#define USE_INTERPOLATION
-
//
// TODO: add support for variable sampling rate in the output device
//
@@ -84,59 +88,17 @@ const uint8 *PCjrSound::getVoicePointer(uint voiceNum) {
return _data + voiceStartOffset;
}
-static const int16 waveformRamp[WAVEFORM_SIZE] = {
- 0, 8, 16, 24, 32, 40, 48, 56,
- 64, 72, 80, 88, 96, 104, 112, 120,
- 128, 136, 144, 152, 160, 168, 176, 184,
- 192, 200, 208, 216, 224, 232, 240, 255,
- 0, -248, -240, -232, -224, -216, -208, -200,
- -192, -184, -176, -168, -160, -152, -144, -136,
- -128, -120, -112, -104, -96, -88, -80, -72,
- -64, -56, -48, -40, -32, -24, -16, -8 // Ramp up
-};
-
-static const int16 waveformSquare[WAVEFORM_SIZE] = {
- 255, 230, 220, 220, 220, 220, 220, 220,
- 220, 220, 220, 220, 220, 220, 220, 220,
- 220, 220, 220, 220, 220, 220, 220, 220,
- 220, 220, 220, 220, 220, 220, 220, 110,
- -255, -230, -220, -220, -220, -220, -220, -220,
- -220, -220, -220, -220, -220, -220, -220, -220,
- -220, -220, -220, -220, -220, -220, -220, -220,
- -220, -220, -220, -110, 0, 0, 0, 0 // Square
-};
-
-static const int16 waveformMac[WAVEFORM_SIZE] = {
- 45, 110, 135, 161, 167, 173, 175, 176,
- 156, 137, 123, 110, 91, 72, 35, -2,
- -60, -118, -142, -165, -170, -176, -177, -179,
- -177, -176, -164, -152, -117, -82, -17, 47,
- 92, 137, 151, 166, 170, 173, 171, 169,
- 151, 133, 116, 100, 72, 43, -7, -57,
- -99, -141, -156, -170, -174, -177, -178, -179,
- -175, -172, -165, -159, -137, -114, -67, -19
-};
-
+#if 0
static const uint16 period[] = {
1024, 1085, 1149, 1218, 1290, 1367,
1448, 1534, 1625, 1722, 1825, 1933
};
-#if 0
static int noteToPeriod(int note) {
return 10 * (period[note % 12] >> (note / 12 - 3));
}
#endif
-int SoundMgr::readBuffer(int16 *buffer, const int numSamples) {
- if (_vm->_soundemu == SOUND_EMU_PCJR)
- _soundGen->premixerCall(buffer, numSamples);
- else
- premixerCall(buffer, numSamples / 2);
-
- return numSamples;
-}
-
void SoundMgr::unloadSound(int resnum) {
if (_vm->_game.dirSound[resnum].flags & RES_LOADED) {
if (_vm->_game.sounds[resnum]->isPlaying()) {
@@ -151,7 +113,6 @@ void SoundMgr::unloadSound(int resnum) {
}
void SoundMgr::startSound(int resnum, int flag) {
- int i;
AgiSoundEmuType type;
if (_vm->_game.sounds[resnum] != NULL && _vm->_game.sounds[resnum]->isPlaying())
@@ -172,46 +133,8 @@ void SoundMgr::startSound(int resnum, int flag) {
debugC(3, kDebugLevelSound, "startSound(resnum = %d, flag = %d) type = %d", resnum, flag, type);
- switch (type) {
- case AGI_SOUND_SAMPLE: {
- IIgsSample *sampleRes = (IIgsSample *) _vm->_game.sounds[_playingSound];
- _gsSound->playSampleSound(sampleRes->getHeader(), sampleRes->getSample());
- break;
- }
- case AGI_SOUND_MIDI:
- ((IIgsMidi *) _vm->_game.sounds[_playingSound])->rewind();
- break;
- case AGI_SOUND_4CHN:
- if (_vm->_soundemu == SOUND_EMU_MIDI) {
- _musicPlayer->playMIDI((MIDISound *)_vm->_game.sounds[resnum]);
- } else if (_vm->_soundemu == SOUND_EMU_PCJR) {
- _soundGen->play(resnum, flag);
- } else {
-
- PCjrSound *pcjrSound = (PCjrSound *) _vm->_game.sounds[resnum];
-
- // Initialize channel info
- for (i = 0; i < NUM_CHANNELS; i++) {
- _chn[i].type = type;
- _chn[i].flags = AGI_SOUND_LOOP;
-
- if (_env) {
- _chn[i].flags |= AGI_SOUND_ENVELOPE;
- _chn[i].adsr = AGI_SOUND_ENV_ATTACK;
- }
-
- _chn[i].ins = _waveform;
- _chn[i].size = WAVEFORM_SIZE;
- _chn[i].ptr = pcjrSound->getVoicePointer(i % 4);
- _chn[i].timer = 0;
- _chn[i].vol = 0;
- _chn[i].end = 0;
- }
- }
- break;
- }
+ _soundGen->play(resnum);
- memset(_sndBuffer, 0, BUFFER_SIZE << 1);
_endflag = flag;
// Nat Budin reports that the flag should be reset when sound starts
@@ -219,32 +142,15 @@ void SoundMgr::startSound(int resnum, int flag) {
}
void SoundMgr::stopSound() {
- int i;
-
debugC(3, kDebugLevelSound, "stopSound() --> %d", _playingSound);
_endflag = -1;
- if (_vm->_soundemu != SOUND_EMU_APPLE2GS && _vm->_soundemu != SOUND_EMU_PCJR) {
- for (i = 0; i < NUM_CHANNELS; i++)
- stopNote(i);
- }
-
if (_playingSound != -1) {
if (_vm->_game.sounds[_playingSound]) // sanity checking
_vm->_game.sounds[_playingSound]->stop();
- if (_vm->_soundemu == SOUND_EMU_APPLE2GS) {
- _gsSound->stopSounds();
- }
-
- if (_vm->_soundemu == SOUND_EMU_MIDI) {
- _musicPlayer->stop();
- }
-
- if (_vm->_soundemu == SOUND_EMU_PCJR) {
- _soundGen->stop();
- }
+ _soundGen->stop();
_playingSound = -1;
}
@@ -254,432 +160,57 @@ void SoundMgr::stopSound() {
}
int SoundMgr::initSound() {
- int r = -1;
+ return -1;
+}
- memset(_sndBuffer, 0, BUFFER_SIZE << 1);
- _env = false;
+void SoundMgr::deinitSound() {
+ stopSound();
+
+ delete _soundGen;
+}
+
+void SoundMgr::soundIsFinished() {
+ if (_endflag != -1)
+ _vm->setflag(_endflag, true);
+
+ if (_playingSound != -1)
+ _vm->_game.sounds[_playingSound]->stop();
+ _playingSound = -1;
+ _endflag = -1;
+}
+
+SoundMgr::SoundMgr(AgiEngine *agi, Audio::Mixer *pMixer) {
+ _vm = agi;
+ _endflag = -1;
+ _playingSound = -1;
switch (_vm->_soundemu) {
case SOUND_EMU_NONE:
- _waveform = waveformRamp;
- _env = true;
- break;
case SOUND_EMU_AMIGA:
case SOUND_EMU_PC:
- _waveform = waveformSquare;
- break;
case SOUND_EMU_MAC:
- _waveform = waveformMac;
+ _soundGen = new SoundGenSarien(_vm, pMixer);
+ break;
+ case SOUND_EMU_PCJR:
+ _soundGen = new SoundGenPCJr(_vm, pMixer);
break;
case SOUND_EMU_APPLE2GS:
- _disabledMidi = !loadInstruments();
+ _soundGen = new SoundGen2GS(_vm, pMixer);
break;
case SOUND_EMU_COCO3:
+ _soundGen = new SoundGenCoCo3(_vm, pMixer);
break;
case SOUND_EMU_MIDI:
+ _soundGen = new SoundGenMIDI(_vm, pMixer);
break;
- case SOUND_EMU_PCJR:
- _soundGen = new SoundGenPCJr(_vm);
- break;
- }
-
- report("Initializing sound:\n");
-
- report("sound: envelopes ");
- if (_env) {
- report("enabled (decay=%d, sustain=%d)\n", ENV_DECAY, ENV_SUSTAIN);
- } else {
- report("disabled\n");
- }
-
- if (_vm->_soundemu != SOUND_EMU_MIDI)
- _mixer->playStream(Audio::Mixer::kMusicSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
-
- return r;
-}
-
-void SoundMgr::deinitSound() {
- debugC(3, kDebugLevelSound, "()");
-
- stopSound();
- _mixer->stopHandle(_soundHandle);
-}
-
-void SoundMgr::stopNote(int i) {
- _chn[i].adsr = AGI_SOUND_ENV_RELEASE;
-
- if (_useChorus) {
- // Stop chorus ;)
- if (_chn[i].type == AGI_SOUND_4CHN &&
- _vm->_soundemu == SOUND_EMU_NONE && i < 3) {
- stopNote(i + 4);
- }
- }
-}
-
-void SoundMgr::playNote(int i, int freq, int vol) {
- if (!_vm->getflag(fSoundOn))
- vol = 0;
- else if (vol && _vm->_soundemu == SOUND_EMU_PC)
- vol = 160;
-
- _chn[i].phase = 0;
- _chn[i].freq = freq;
- _chn[i].vol = vol;
- _chn[i].env = 0x10000;
- _chn[i].adsr = AGI_SOUND_ENV_ATTACK;
-
- if (_useChorus) {
- // Add chorus ;)
- if (_chn[i].type == AGI_SOUND_4CHN &&
- _vm->_soundemu == SOUND_EMU_NONE && i < 3) {
-
- int newfreq = freq * 1007 / 1000;
-
- if (freq == newfreq)
- newfreq++;
-
- playNote(i + 4, newfreq, vol * 2 / 3);
- }
- }
-}
-
-static int cocoFrequencies[] = {
- 130, 138, 146, 155, 164, 174, 184, 195, 207, 220, 233, 246,
- 261, 277, 293, 311, 329, 349, 369, 391, 415, 440, 466, 493,
- 523, 554, 587, 622, 659, 698, 739, 783, 830, 880, 932, 987,
- 1046, 1108, 1174, 1244, 1318, 1396, 1479, 1567, 1661, 1760, 1864, 1975,
- 2093, 2217, 2349, 2489, 2637, 2793, 2959, 3135, 3322, 3520, 3729, 3951
-};
-
-void SoundMgr::playCoCoSound() {
- int i = 0;
- CoCoNote note;
-
- do {
- note.read(_chn[i].ptr);
-
- if (note.freq != 0xff) {
- playNote(0, cocoFrequencies[note.freq], note.volume);
-
- uint32 start_time = _vm->_system->getMillis();
-
- while (_vm->_system->getMillis() < start_time + note.duration) {
- _vm->_system->updateScreen();
-
- _vm->_system->delayMillis(10);
- }
- }
- } while (note.freq != 0xff);
-}
-
-void SoundMgr::playAgiSound() {
- int i;
- AgiNote note;
-
- _playing = false;
- for (i = 0; i < (_vm->_soundemu == SOUND_EMU_PC ? 1 : 4); i++) {
- _playing |= !_chn[i].end;
- note.read(_chn[i].ptr); // Read a single note (Doesn't advance the pointer)
-
- if (_chn[i].end)
- continue;
-
- if ((--_chn[i].timer) <= 0) {
- stopNote(i);
-
- if (note.freqDiv != 0) {
- int volume = (note.attenuation == 0x0F) ? 0 : (0xFF - note.attenuation * 2);
- playNote(i, note.freqDiv * 10, volume);
- }
-
- _chn[i].timer = note.duration;
-
- if (_chn[i].timer == 0xffff) {
- _chn[i].end = 1;
- _chn[i].vol = 0;
- _chn[i].env = 0;
-
- if (_useChorus) {
- // chorus
- if (_chn[i].type == AGI_SOUND_4CHN && _vm->_soundemu == SOUND_EMU_NONE && i < 3) {
- _chn[i + 4].vol = 0;
- _chn[i + 4].env = 0;
- }
- }
- }
- _chn[i].ptr += 5; // Advance the pointer to the next note data (5 bytes per note)
- }
- }
-}
-
-void SoundMgr::playSound() {
- int i;
-
- if (_endflag == -1)
- return;
-
- if (_vm->_soundemu == SOUND_EMU_APPLE2GS) {
- if (_playingSound != -1) {
- if (_vm->_game.sounds[_playingSound]->type() == AGI_SOUND_MIDI) {
- playMidiSound();
- //warning("playSound: Trying to play an Apple IIGS MIDI sound. Not yet implemented");
- } else if (_vm->_game.sounds[_playingSound]->type() == AGI_SOUND_SAMPLE) {
- //debugC(3, kDebugLevelSound, "playSound: Trying to play an Apple IIGS sample");
- playSampleSound();
- }
- }
- } else if (_vm->_soundemu == SOUND_EMU_COCO3) {
- playCoCoSound();
- } else {
- //debugC(3, kDebugLevelSound, "playSound: Trying to play a PCjr 4-channel sound");
- playAgiSound();
- }
-
- if (!_playing) {
- if (_vm->_soundemu != SOUND_EMU_APPLE2GS) {
- for (i = 0; i < NUM_CHANNELS; _chn[i++].vol = 0)
- ;
- }
-
- if (_endflag != -1)
- _vm->setflag(_endflag, true);
-
- if (_playingSound != -1)
- _vm->_game.sounds[_playingSound]->stop();
- _playingSound = -1;
- _endflag = -1;
}
}
-uint32 SoundMgr::mixSound() {
- register int i, p;
- const int16 *src;
- int c, b, m;
-
- memset(_sndBuffer, 0, BUFFER_SIZE << 1);
-
- if (!_playing || _playingSound == -1)
- return BUFFER_SIZE;
-
- // Handle Apple IIGS sound mixing here
- // TODO: Implement playing both waves in an oscillator
- // TODO: Implement swap-mode in an oscillator
- if (_vm->_soundemu == SOUND_EMU_APPLE2GS) {
- for (uint midiChan = 0; midiChan < _gsSound->_midiChannels.size(); midiChan++) {
- for (uint gsChan = 0; gsChan < _gsSound->_midiChannels[midiChan]._gsChannels.size(); gsChan++) {
- IIgsChannelInfo &channel = _gsSound->_midiChannels[midiChan]._gsChannels[gsChan];
- if (channel.playing()) { // Only mix in actively playing channels
- // Frequency multiplier was 1076.0 based on tests made with MESS 0.117.
- // Tests made with KEGS32 averaged the multiplier to around 1045.
- // So this is a guess but maybe it's 1046.5... i.e. C6's frequency?
- double hertz = C6_FREQ * pow(SEMITONE, fracToDouble(channel.note));
- channel.posAdd = doubleToFrac(hertz / getRate());
- channel.vol = doubleToFrac(fracToDouble(channel.envVol) * fracToDouble(channel.chanVol) / 127.0);
- double tempVol = fracToDouble(channel.vol)/127.0;
- for (i = 0; i < IIGS_BUFFER_SIZE; i++) {
- b = channel.relocatedSample[fracToInt(channel.pos)];
- // TODO: Find out what volume/amplification setting is loud enough
- // but still doesn't clip when playing many channels on it.
- _sndBuffer[i] += (int16) (b * tempVol * 256/4);
- channel.pos += channel.posAdd;
-
- if (channel.pos >= intToFrac(channel.size)) {
- if (channel.loop) {
- // Don't divide by zero on zero length samples
- channel.pos %= intToFrac(channel.size + (channel.size == 0));
- // Probably we should loop the envelope too
- channel.envSeg = 0;
- channel.envVol = channel.startEnvVol;
- } else {
- channel.pos = channel.chanVol = 0;
- channel.end = true;
- break;
- }
- }
- }
-
- if (channel.envSeg < ENVELOPE_SEGMENT_COUNT) {
- const IIgsEnvelopeSegment &seg = channel.ins->env.seg[channel.envSeg];
- // I currently assume enveloping works with the same speed as the MIDI
- // (i.e. with 1/60ths of a second ticks).
- // TODO: Check if enveloping really works with the same speed as MIDI
- frac_t envVolDelta = doubleToFrac(seg.inc/256.0);
- if (intToFrac(seg.bp) >= channel.envVol) {
- channel.envVol += envVolDelta;
- if (channel.envVol >= intToFrac(seg.bp)) {
- channel.envVol = intToFrac(seg.bp);
- channel.envSeg += 1;
- }
- } else {
- channel.envVol -= envVolDelta;
- if (channel.envVol <= intToFrac(seg.bp)) {
- channel.envVol = intToFrac(seg.bp);
- channel.envSeg += 1;
- }
- }
- }
- }
- }
- }
- _gsSound->removeStoppedSounds();
- return IIGS_BUFFER_SIZE;
- } // else ...
-
- // Handle PCjr 4-channel sound mixing here
- for (c = 0; c < NUM_CHANNELS; c++) {
- if (!_chn[c].vol)
- continue;
-
- m = _chn[c].flags & AGI_SOUND_ENVELOPE ?
- _chn[c].vol * _chn[c].env >> 16 : _chn[c].vol;
-
- if (_chn[c].type != AGI_SOUND_4CHN || c != 3) {
- src = _chn[c].ins;
-
- p = _chn[c].phase;
- for (i = 0; i < BUFFER_SIZE; i++) {
- b = src[p >> 8];
-#ifdef USE_INTERPOLATION
- b += ((src[((p >> 8) + 1) % _chn[c].size] - src[p >> 8]) * (p & 0xff)) >> 8;
-#endif
- _sndBuffer[i] += (b * m) >> 4;
-
- p += (uint32) 118600 *4 / _chn[c].freq;
-
- // FIXME: Fingolfin asks: why is there a FIXME here? Please either clarify what
- // needs fixing, or remove it!
- // FIXME
- if (_chn[c].flags & AGI_SOUND_LOOP) {
- p %= _chn[c].size << 8;
- } else {
- if (p >= _chn[c].size << 8) {
- p = _chn[c].vol = 0;
- _chn[c].end = 1;
- break;
- }
- }
-
- }
- _chn[c].phase = p;
- } else {
- // Add white noise
- for (i = 0; i < BUFFER_SIZE; i++) {
- b = _vm->_rnd->getRandomNumber(255) - 128;
- _sndBuffer[i] += (b * m) >> 4;
- }
- }
-
- switch (_chn[c].adsr) {
- case AGI_SOUND_ENV_ATTACK:
- // not implemented
- _chn[c].adsr = AGI_SOUND_ENV_DECAY;
- break;
- case AGI_SOUND_ENV_DECAY:
- if (_chn[c].env > _chn[c].vol * ENV_SUSTAIN + ENV_DECAY) {
- _chn[c].env -= ENV_DECAY;
- } else {
- _chn[c].env = _chn[c].vol * ENV_SUSTAIN;
- _chn[c].adsr = AGI_SOUND_ENV_SUSTAIN;
- }
- break;
- case AGI_SOUND_ENV_SUSTAIN:
- break;
- case AGI_SOUND_ENV_RELEASE:
- if (_chn[c].env >= ENV_RELEASE) {
- _chn[c].env -= ENV_RELEASE;
- } else {
- _chn[c].env = 0;
- }
- }
- }
-
- return BUFFER_SIZE;
-}
-
-/**
- * Convert sample from 8-bit unsigned to 8-bit signed format.
- * @param source Source stream containing the 8-bit unsigned sample data.
- * @param dest Destination buffer for the 8-bit signed sample data.
- * @param length Length of the sample data to be converted.
- */
-bool SoundMgr::convertWave(Common::SeekableReadStream &source, int8 *dest, uint length) {
- // Convert the wave from 8-bit unsigned to 8-bit signed format
- for (uint i = 0; i < length; i++)
- dest[i] = (int8) ((int) source.readByte() - 128);
- return !(source.eos() || source.err());
-}
-
-void SoundMgr::fillAudio(void *udata, int16 *stream, uint len) {
- SoundMgr *soundMgr = (SoundMgr *)udata;
- uint32 p = 0;
-
- // current number of audio bytes in _sndBuffer
- static uint32 data_available = 0;
- // offset of start of audio bytes in _sndBuffer
- static uint32 data_offset = 0;
-
- len <<= 2;
-
- debugC(5, kDebugLevelSound, "(%p, %p, %d)", (void *)udata, (void *)stream, len);
-
- while (len > data_available) {
- memcpy((uint8 *)stream + p, (uint8*)_sndBuffer + data_offset, data_available);
- p += data_available;
- len -= data_available;
-
- soundMgr->playSound();
- data_available = soundMgr->mixSound() << 1;
- data_offset = 0;
- }
-
- memcpy((uint8 *)stream + p, (uint8*)_sndBuffer + data_offset, len);
- data_offset += len;
- data_available -= len;
-}
-
-SoundMgr::SoundMgr(AgiEngine *agi, Audio::Mixer *pMixer) : _chn() {
- _vm = agi;
- _mixer = pMixer;
- _sampleRate = pMixer->getOutputRate();
- _endflag = -1;
- _playingSound = -1;
- _env = false;
- _playing = false;
- _sndBuffer = (int16 *)calloc(2, BUFFER_SIZE);
- _waveform = 0;
- _disabledMidi = false;
- _useChorus = true; // FIXME: Currently always true?
- _midiDriver = 0;
- _musicPlayer = 0;
- _soundGen = 0;
-
- _gsSound = new IIgsSoundMgr;
-
- if (_vm->_soundemu == SOUND_EMU_MIDI) {
- MidiDriverType midiDriver = MidiDriver::detectMusicDriver(MDT_MIDI | MDT_ADLIB);
-
- _midiDriver = MidiDriver::createMidi(midiDriver);
- _musicPlayer = new MusicPlayer(_midiDriver, this);
- }
-}
-
-void SoundMgr::premixerCall(int16 *data, uint len) {
- if (_vm->_soundemu != SOUND_EMU_MIDI)
- fillAudio(this, data, len);
-}
-
void SoundMgr::setVolume(uint8 volume) {
// TODO
}
SoundMgr::~SoundMgr() {
- free(_sndBuffer);
- delete _gsSound;
-
- delete _soundGen;
- delete _musicPlayer;
- delete _midiDriver;
}
} // End of namespace Agi
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