mirror of
https://github.com/libretro/scummvm.git
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134 lines
3.3 KiB
C++
134 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "audio/midiparser.h"
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#include "common/textconsole.h"
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#include "toltecs/toltecs.h"
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#include "toltecs/music.h"
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#include "toltecs/resource.h"
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namespace Toltecs {
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MusicPlayer::MusicPlayer(bool isGM) : _isGM(isGM), _buffer(NULL) {
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MidiPlayer::createDriver();
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int ret = _driver->open();
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if (ret == 0) {
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if (_nativeMT32)
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_driver->sendMT32Reset();
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else
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_driver->sendGMReset();
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_driver->setTimerCallback(this, &timerCallback);
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}
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}
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void MusicPlayer::send(uint32 b) {
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if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) {
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b = (b & 0xFFFF00FF) | MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8;
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}
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Audio::MidiPlayer::send(b);
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}
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void MusicPlayer::playMIDI(const byte *data, uint32 size, bool loop) {
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Common::StackLock lock(_mutex);
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stopAndClear();
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_buffer = new byte[size];
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memcpy(_buffer, data, size);
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MidiParser *parser;
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if (!memcmp(data, "FORM", 4))
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parser = MidiParser::createParser_XMIDI(NULL);
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else
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parser = MidiParser::createParser_SMF();
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if (parser->loadMusic(_buffer, size)) {
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parser->setTrack(0);
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parser->setMidiDriver(this);
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parser->setTimerRate(_driver->getBaseTempo());
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parser->property(MidiParser::mpCenterPitchWheelOnUnload, 1);
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parser->property(MidiParser::mpSendSustainOffOnNotesOff, 1);
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_parser = parser;
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syncVolume();
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_isLooping = loop;
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_isPlaying = true;
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} else {
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delete parser;
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}
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}
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void MusicPlayer::stopAndClear() {
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Common::StackLock lock(_mutex);
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stop();
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delete[] _buffer;
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_buffer = NULL;
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}
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Music::Music(ArchiveReader *arc) : MusicPlayer(true), _arc(arc) {
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_sequenceResIndex = -1;
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}
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void Music::playSequence(int16 sequenceResIndex) {
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_sequenceResIndex = sequenceResIndex;
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int32 resourceSize = _arc->getResourceSize(sequenceResIndex);
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byte *data = new byte[resourceSize];
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_arc->openResource(sequenceResIndex);
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_arc->read(data, resourceSize);
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_arc->closeResource();
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if (!memcmp(data, "FORM", 4))
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playMIDI(data, resourceSize, true); // music tracks are always looping
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else
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// Sanity check: this should never occur
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error("playSequence: resource %d isn't XMIDI", sequenceResIndex);
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delete[] data;
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}
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void Music::stopSequence() {
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_sequenceResIndex = -1;
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stopAndClear();
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}
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void Music::saveState(Common::WriteStream *out) {
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out->writeSint16LE(_sequenceResIndex);
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}
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void Music::loadState(Common::ReadStream *in) {
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_sequenceResIndex = in->readSint16LE();
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if (_sequenceResIndex >= 0)
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playSequence(_sequenceResIndex);
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}
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} // End of namespace Made
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