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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/algorithm.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
#include "audio/decoders/wave.h"
#include "access/access.h"
#include "access/sound.h"
namespace Access {
SoundManager::SoundManager(AccessEngine *vm, Audio::Mixer *mixer) : _vm(vm), _mixer(mixer) {
_playingSound = false;
_isVoice = false;
}
SoundManager::~SoundManager() {
clearSounds();
}
void SoundManager::clearSounds() {
debugC(1, kDebugSound, "clearSounds()");
for (uint i = 0; i < _soundTable.size(); ++i)
delete _soundTable[i]._res;
_soundTable.clear();
if (_mixer->isSoundHandleActive(_effectsHandle))
_mixer->stopHandle(_effectsHandle);
if (_queue.size())
_queue.remove_at(0);
while (_queue.size()) {
delete _queue[0];
_queue.remove_at(0);
}
}
void SoundManager::queueSound(int idx, int fileNum, int subfile) {
debugC(1, kDebugSound, "queueSound(%d, %d, %d)", idx, fileNum, subfile);
Resource *soundResource;
if (idx >= (int)_soundTable.size())
_soundTable.resize(idx + 1);
delete _soundTable[idx]._res;
soundResource = _vm->_files->loadFile(fileNum, subfile);
_soundTable[idx]._res = soundResource;
_soundTable[idx]._priority = 1;
}
Resource *SoundManager::loadSound(int fileNum, int subfile) {
debugC(1, kDebugSound, "loadSound(%d, %d)", fileNum, subfile);
return _vm->_files->loadFile(fileNum, subfile);
}
void SoundManager::playSound(int soundIndex) {
debugC(1, kDebugSound, "playSound(%d)", soundIndex);
int priority = _soundTable[soundIndex]._priority;
playSound(_soundTable[soundIndex]._res, priority);
}
void SoundManager::playSound(Resource *res, int priority) {
debugC(1, kDebugSound, "playSound");
byte *resourceData = res->data();
assert(res->_size >= 32);
if (READ_BE_UINT32(resourceData) == MKTAG('R','I','F','F')) {
// CD version uses WAVE-files
Common::SeekableReadStream *waveStream = new Common::MemoryReadStream(resourceData, res->_size, DisposeAfterUse::NO);
Audio::RewindableAudioStream *audioStream = Audio::makeWAVStream(waveStream, DisposeAfterUse::YES);
_queue.push_back(audioStream);
} else if (READ_BE_UINT32(resourceData) == MKTAG('S', 'T', 'E', 'V')) {
// sound files have a fixed header of 32 bytes in total
// header content:
// "STEVE" - fixed header
// byte - sample rate
// 01h mapped internally to 3Ch
// 02h mapped internally to 78h
// 03h mapped internally to B5h
// 04h mapped internally to F1h
// byte - unknown
// word - actual sample size (should be resource-size - 32)
byte internalSampleRate = resourceData[5];
int sampleSize = READ_LE_UINT16(resourceData + 7);
assert( (sampleSize + 32) == res->_size);
int sampleRate = 0;
switch (internalSampleRate) {
case 1: // NEG(3Ch) -> C4h time constant
sampleRate = 16666;
break;
case 2: // NEG(78h) -> 88h time constant
sampleRate = 8334;
break;
case 3: // NEG(B5h) -> 4Bh time constant
sampleRate = 5525;
break;
case 4: // NEG(F1h) -> 0Fh time constant
sampleRate = 4150;
break;
default:
error("Unexpected internal Sample Rate %d", internalSampleRate);
return;
}
Audio::RewindableAudioStream *audioStream = Audio::makeRawStream(resourceData + 32, sampleSize, sampleRate, 0);
_queue.push_back(audioStream);
} else
error("Unknown format");
if (!_mixer->isSoundHandleActive(_effectsHandle))
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_effectsHandle,
_queue[0], -1, _mixer->kMaxChannelVolume, 0,
DisposeAfterUse::NO);
}
void SoundManager::checkSoundQueue() {
debugC(5, kDebugSound, "checkSoundQueue");
if (_queue.empty() || _mixer->isSoundHandleActive(_effectsHandle))
return;
_queue.remove_at(0);
if (_queue.size())
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_effectsHandle,
_queue[0], -1, _mixer->kMaxChannelVolume, 0,
DisposeAfterUse::YES);
}
bool SoundManager::isSFXPlaying() {
return _mixer->isSoundHandleActive(_effectsHandle);
}
void SoundManager::loadSounds(Common::Array<RoomInfo::SoundIdent> &sounds) {
debugC(1, kDebugSound, "loadSounds");
clearSounds();
for (uint i = 0; i < sounds.size(); ++i) {
Resource *sound = loadSound(sounds[i]._fileNum, sounds[i]._subfile);
_soundTable.push_back(SoundEntry(sound, sounds[i]._priority));
}
}
void SoundManager::stopSound() {
debugC(3, kDebugSound, "stopSound");
_mixer->stopHandle(Audio::SoundHandle());
}
void SoundManager::freeSounds() {
debugC(3, kDebugSound, "freeSounds");
stopSound();
clearSounds();
}
/******************************************************************************************/
MusicManager::MusicManager(AccessEngine *vm) : _vm(vm) {
_music = nullptr;
_tempMusic = nullptr;
_isLooping = false;
MidiPlayer::createDriver();
MidiDriver::detectDevice(MDT_MIDI | MDT_ADLIB | MDT_PREFER_GM);
int retValue = _driver->open();
if (retValue == 0) {
if (_nativeMT32)
_driver->sendMT32Reset();
else
_driver->sendGMReset();
_driver->setTimerCallback(this, &timerCallback);
}
}
MusicManager::~MusicManager() {
delete _music;
delete _tempMusic;
}
void MusicManager::send(uint32 b) {
if ((b & 0xF0) == 0xC0 && !_nativeMT32) {
b = (b & 0xFFFF00FF) | MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8;
}
Audio::MidiPlayer::send(b);
}
void MusicManager::midiPlay() {
debugC(1, kDebugSound, "midiPlay");
if (_music->_size < 4) {
error("midiPlay() wrong music resource size");
}
stop();
if (READ_BE_UINT32(_music->data()) != MKTAG('F', 'O', 'R', 'M')) {
warning("midiPlay() Unexpected signature");
_isPlaying = false;
} else {
_parser = MidiParser::createParser_XMIDI();
if (!_parser->loadMusic(_music->data(), _music->_size))
error("midiPlay() wrong music resource");
_parser->setTrack(0);
_parser->setMidiDriver(this);
_parser->setTimerRate(_driver->getBaseTempo());
_parser->property(MidiParser::mpCenterPitchWheelOnUnload, 1);
_parser->property(MidiParser::mpSendSustainOffOnNotesOff, 1);
// Handle music looping
_parser->property(MidiParser::mpAutoLoop, _isLooping);
setVolume(127);
_isPlaying = true;
}
}
bool MusicManager::checkMidiDone() {
debugC(1, kDebugSound, "checkMidiDone");
return (!_isPlaying);
}
void MusicManager::midiRepeat() {
debugC(1, kDebugSound, "midiRepeat");
if (!_parser)
return;
_isLooping = true;
_parser->property(MidiParser::mpAutoLoop, _isLooping);
if (!_isPlaying)
_parser->setTrack(0);
}
void MusicManager::stopSong() {
debugC(1, kDebugSound, "stopSong");
stop();
}
void MusicManager::loadMusic(int fileNum, int subfile) {
debugC(1, kDebugSound, "loadMusic(%d, %d)", fileNum, subfile);
_music = _vm->_files->loadFile(fileNum, subfile);
}
void MusicManager::loadMusic(FileIdent file) {
debugC(1, kDebugSound, "loadMusic(%d, %d)", file._fileNum, file._subfile);
_music = _vm->_files->loadFile(file);
}
void MusicManager::newMusic(int musicId, int mode) {
debugC(1, kDebugSound, "newMusic(%d, %d)", musicId, mode);
if (mode == 1) {
stopSong();
freeMusic();
_music = _tempMusic;
_tempMusic = nullptr;
_isLooping = true;
} else {
_isLooping = (mode == 2);
_tempMusic = _music;
stopSong();
loadMusic(97, musicId);
}
if (_music)
midiPlay();
}
void MusicManager::freeMusic() {
debugC(3, kDebugSound, "freeMusic");
delete _music;
_music = nullptr;
}
void MusicManager::setLoop(bool loop) {
debugC(3, kDebugSound, "setLoop");
_isLooping = loop;
if (_parser)
_parser->property(MidiParser::mpAutoLoop, _isLooping);
}
} // End of namespace Access
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