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engines/bagel/music.cpp

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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 "audio/midiparser_qt.h"
+#include "audio/midiparser_smf.h"
+#include "bagel/music.h"
+#include "bagel/boflib/sound.h"
+
+namespace Bagel {
+
+MusicPlayer::MusicPlayer() {
+
+	MidiPlayer::createDriver();
+
+	int ret = _driver->open();
+	if (ret == 0) {
+		if (_nativeMT32)
+			_driver->sendMT32Reset();
+		else
+			_driver->sendGMReset();
+
+		_driver->setTimerCallback(this, &timerCallback);
+	}
+}
+
+void MusicPlayer::play(CBofSound *sound) {
+	Common::StackLock lock(_mutex);
+
+	if (_isPlaying && sound == _sound) {
+		// Already playing
+		return;
+	}
+
+	MidiParser *parser;
+	bool loaded;
+
+	switch (sound->_chType) {
+	case SOUND_TYPE_XM:
+		parser = MidiParser::createParser_XMIDI();
+		loaded = parser->loadMusic(sound->_pFileBuf, sound->_iFileSize);
+		break;
+
+	case SOUND_TYPE_QT:
+		parser = MidiParser::createParser_QT();
+		// HACK: loadMusic doesn't work with QT MIDI
+		loaded = ((MidiParser_QT *)parser)->loadFromContainerFile(sound->_szFileName);
+		break;
+
+	case SOUND_TYPE_SMF:
+		parser = MidiParser::createParser_SMF();
+		loaded = parser->loadMusic(sound->_pFileBuf, sound->_iFileSize);
+		break;
+
+	default:
+		warning("Invalid sound %s passed to MusicPlayer", sound->_szFileName);
+		return;
+	}
+
+	if (loaded) {
+		stop();
+		parser->setTrack(0);
+		parser->setMidiDriver(this);
+		parser->setTimerRate(_driver->getBaseTempo());
+		parser->property(MidiParser::mpCenterPitchWheelOnUnload, 1);
+		parser->property(MidiParser::mpSendSustainOffOnNotesOff, 1);
+		parser->setLoopSectionMicroseconds(sound->_dwRePlayStart * 1000, sound->_dwRePlayEnd * 1000);
+		_parser = parser;
+
+		// TODO: Set channel volume
+		syncVolume();
+
+		_isLooping = (sound->_wLoops == 0);
+		_isPlaying = true;
+		_sound = sound;
+	} else {
+		warning("Failed to play %s", sound->_szFileName);
+		delete parser;
+	}
+}
+
+void MusicPlayer::stop() {
+	Audio::MidiPlayer::stop();
+	_sound = nullptr;
+}
+
+} // namespace Bagel