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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "darkseed/music.h"
#include "darkseed/darkseed.h"
namespace Darkseed {
MusicPlayer::MusicPlayer(DarkseedEngine* vm) :
_vm(vm),
_driver(nullptr),
_paused(false),
_deviceType(MT_NULL),
_parser(nullptr),
_musicData(nullptr) {
}
MusicPlayer::~MusicPlayer() {
stop();
if (_driver) {
_driver->setTimerCallback(nullptr, nullptr);
_driver->close();
}
Common::StackLock lock(_mutex);
if (_parser)
delete _parser;
if (_musicData)
delete[] _musicData;
if (_driver) {
delete _driver;
_driver = nullptr;
}
}
int MusicPlayer::open() {
assert(!_driver);
int devFlags = MDT_ADLIB; // | MDT_PCSPK;
MidiDriver::DeviceHandle dev = MidiDriver::detectDevice(devFlags);
_deviceType = MidiDriver::getMusicType(dev);
if (!_vm->isCdVersion()) {
// TODO Initialize driver and parser for floppy version
_driver = new MidiDriver_NULL_Multisource();
} else {
switch (_deviceType) {
case MT_ADLIB:
_driver = new MidiDriver_Worx_AdLib(OPL::Config::kOpl2);
// Some tracks do not set instruments and expect instrument 0
// to be set on each channel. Make sure this is done every time
// a track starts.
_driver->setControllerDefault(MidiDriver_Multisource::CONTROLLER_DEFAULT_PROGRAM);
break;
case MT_PCSPK:
// TODO Implement PC speaker driver
default:
_driver = new MidiDriver_NULL_Multisource();
break;
}
// CD version uses SMF data
_parser = MidiParser::createParser_SMF(0);
}
_driver->property(MidiDriver::PROP_USER_VOLUME_SCALING, true);
if (_parser)
_parser->property(MidiParser::mpDisableAutoStartPlayback, true);
int returnCode = _driver->open();
if (returnCode != 0) {
error("MusicPlayer::open - Failed to open MIDI driver - error code %d.", returnCode);
return 1;
}
syncSoundSettings();
if (_parser) {
_parser->setMidiDriver(_driver);
_parser->setTimerRate(_driver->getBaseTempo());
_driver->setTimerCallback(_parser, &_parser->timerCallback);
}
return 0;
}
void MusicPlayer::onTimer(void *data) {
MusicPlayer *p = (MusicPlayer *)data;
Common::StackLock lock(p->_mutex);
if (p->_parser) {
p->_parser->onTimer();
}
}
bool MusicPlayer::isPlaying() {
Common::StackLock lock(_mutex);
return _parser && _parser->isPlaying();
}
void MusicPlayer::stop() {
Common::StackLock lock(_mutex);
if (_parser) {
_parser->stopPlaying();
if (_driver) {
_driver->deinitSource(0);
}
}
}
void MusicPlayer::pause(bool pause) {
Common::StackLock lock(_mutex);
if (_paused == pause || !_parser)
return;
_paused = pause;
if (_paused) {
_parser->pausePlaying();
} else {
_parser->resumePlaying();
}
}
void MusicPlayer::syncSoundSettings() {
if (_driver)
_driver->syncSoundSettings();
}
void MusicPlayer::setLoop(bool loop) {
Common::StackLock lock(_mutex);
if (_parser)
_parser->property(MidiParser::mpAutoLoop, loop);
}
void MusicPlayer::load(Common::SeekableReadStream *in, int32 size) {
Common::StackLock lock(_mutex);
if (!_parser)
return;
if (size < 0) {
// Use the parser to determine the size of the MIDI data.
int64 startPos = in->pos();
size = _parser->determineDataSize(in);
if (size < 0) {
warning("MusicPlayer::load - Could not determine size of music data");
return;
}
// determineDataSize might move the stream position, so return it to
// the original position.
in->seek(startPos);
}
if (isPlaying())
stop();
_parser->unloadMusic();
if (_musicData) {
delete[] _musicData;
}
_musicData = new byte[size];
in->read(_musicData, size);
_parser->loadMusic(_musicData, size);
}
void MusicPlayer::play(bool loop) {
Common::StackLock lock(_mutex);
if (!_parser)
return;
_parser->property(MidiParser::mpAutoLoop, loop);
_parser->startPlaying();
}
} // namespace Darkseed
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