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119 lines
3.1 KiB
C++
119 lines
3.1 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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// Music class
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#ifndef TINSEL_MUSIC_H
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#define TINSEL_MUSIC_H
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#include "sound/mididrv.h"
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#include "sound/midiparser.h"
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#include "common/mutex.h"
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namespace Tinsel {
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#define MAXMIDIVOL 127
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bool PlayMidiSequence( // Plays the specified MIDI sequence through the sound driver
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uint32 dwFileOffset, // handle of MIDI sequence data
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bool bLoop); // Whether to loop the sequence
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bool MidiPlaying(void); // Returns TRUE if a Midi tune is currently playing
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bool StopMidi(void); // Stops any currently playing midi
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void SetMidiVolume( // Sets the volume of the MIDI music. Returns the old volume
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int vol); // new volume - 0..MAXMIDIVOL
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int GetMidiVolume();
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void OpenMidiFiles();
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void DeleteMidiBuffer();
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void CurrentMidiFacts(SCNHANDLE *pMidi, bool *pLoop);
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void RestoreMidiFacts(SCNHANDLE Midi, bool Loop);
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int GetTrackNumber(SCNHANDLE hMidi);
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SCNHANDLE GetTrackOffset(int trackNumber);
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void dumpMusic();
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class MusicPlayer : public MidiDriver {
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public:
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MusicPlayer(MidiDriver *driver);
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~MusicPlayer();
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bool isPlaying() { return _isPlaying; }
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void setPlaying(bool playing) { _isPlaying = playing; }
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void setVolume(int volume);
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int getVolume() { return _masterVolume; }
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void playXMIDI(byte *midiData, uint32 size, bool loop);
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void stop();
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void pause();
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void resume();
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void setLoop(bool loop) { _looping = loop; }
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//MidiDriver interface implementation
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int open();
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void close();
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void send(uint32 b);
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void metaEvent(byte type, byte *data, uint16 length);
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void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
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// The original sets the "sequence timing" to 109 Hz, whatever that
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// means. The default is 120.
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uint32 getBaseTempo(void) { return _driver ? (109 * _driver->getBaseTempo()) / 120 : 0; }
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//Channel allocation functions
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MidiChannel *allocateChannel() { return 0; }
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MidiChannel *getPercussionChannel() { return 0; }
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MidiParser *_parser;
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Common::Mutex _mutex;
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protected:
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static void onTimer(void *data);
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MidiChannel *_channel[16];
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MidiDriver *_driver;
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MidiParser *_xmidiParser;
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byte _channelVolume[16];
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bool _isPlaying;
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bool _looping;
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byte _masterVolume;
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};
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} // End of namespace Made
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#endif
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