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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 "prince/sound.h"
#include "prince/musNum.h"
#include "common/archive.h"
#include "common/debug.h"
#include "audio/mididrv.h"
#include "audio/midiparser.h"
namespace Prince {
const char *MusicPlayer::_musTable[] = {
"",
"Battlfld.mid",
"Cave.mid",
"Cemetery.mid",
"Credits.mid",
"Fjord.mid",
"Guitar.mid",
"Hell.mid",
"Jingle.mid",
"Main.mid",
"Night.mid",
"Reality.mid",
"Sunlord.mid",
"Tavern.mid",
"Temple.mid",
"Boruta.mid",
"Intro.mid"
};
const uint8 MusicPlayer::_musRoomTable[] = {
0,
ROOM01MUS,
ROOM02MUS,
ROOM03MUS,
ROOM04MUS,
ROOM05MUS,
ROOM06MUS,
ROOM07MUS,
ROOM08MUS,
ROOM09MUS,
ROOM10MUS,
ROOM11MUS,
ROOM12MUS,
ROOM13MUS,
ROOM14MUS,
ROOM15MUS,
ROOM16MUS,
ROOM17MUS,
ROOM18MUS,
ROOM19MUS,
ROOM20MUS,
ROOM21MUS,
ROOM22MUS,
ROOM23MUS,
ROOM24MUS,
ROOM25MUS,
ROOM26MUS,
ROOM27MUS,
ROOM28MUS,
ROOM29MUS,
ROOM30MUS,
ROOM31MUS,
ROOM32MUS,
ROOM33MUS,
ROOM34MUS,
ROOM35MUS,
ROOM36MUS,
ROOM37MUS,
ROOM38MUS,
ROOM39MUS,
ROOM40MUS,
ROOM41MUS,
ROOM42MUS,
ROOM43MUS,
0,
0,
ROOM46MUS,
ROOM47MUS,
ROOM48MUS,
ROOM49MUS,
ROOM50MUS,
ROOM51MUS,
ROOM52MUS,
ROOM53MUS,
ROOM54MUS,
ROOM55MUS,
ROOM56MUS,
ROOM57MUS,
ROOM58MUS,
ROOM59MUS,
ROOM60MUS,
ROOM61MUS
};
MusicPlayer::MusicPlayer(PrinceEngine *vm) : _vm(vm) {
_data = nullptr;
_dataSize = 0;
_isGM = false;
MidiPlayer::createDriver();
int ret = _driver->open();
if (ret == 0) {
if (_nativeMT32)
_driver->sendMT32Reset();
else
_driver->sendGMReset();
_driver->setTimerCallback(this, &timerCallback);
}
}
MusicPlayer::~MusicPlayer() {
killMidi();
}
void MusicPlayer::killMidi() {
Audio::MidiPlayer::stop();
free(_data);
_data = nullptr;
}
void MusicPlayer::loadMidi(const char *name) {
Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(name);
if (!stream) {
debug("Can't load midi stream %s", name);
return;
}
// Stop any currently playing MIDI file
killMidi();
// Read in the data for the file
_dataSize = stream->size();
_data = (byte *)malloc(_dataSize);
stream->read(_data, _dataSize);
delete stream;
// Start playing the music
sndMidiStart();
}
void MusicPlayer::sndMidiStart() {
_isGM = true;
MidiParser *parser = MidiParser::createParser_SMF();
if (parser->loadMusic(_data, _dataSize)) {
parser->setTrack(0);
parser->setMidiDriver(this);
parser->setTimerRate(_driver->getBaseTempo());
parser->property(MidiParser::mpCenterPitchWheelOnUnload, 1);
_parser = parser;
syncVolume();
// Al the tracks are supposed to loop
_isLooping = true;
_isPlaying = true;
}
}
void MusicPlayer::send(uint32 b) {
if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) {
b = (b & 0xFFFF00FF) | MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8;
}
Audio::MidiPlayer::send(b);
}
void MusicPlayer::sendToChannel(byte channel, uint32 b) {
if (!_channelsTable[channel]) {
_channelsTable[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel();
// If a new channel is allocated during the playback, make sure
// its volume is correctly initialized.
if (_channelsTable[channel])
_channelsTable[channel]->volume(_channelsVolume[channel] * _masterVolume / 255);
}
if (_channelsTable[channel])
_channelsTable[channel]->send(b);
}
} // End of namespace Prince
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