133 lines
3.1 KiB
C++
133 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ULTIMA8_AUDIO_MIDI_PLAYER_H
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#define ULTIMA8_AUDIO_MIDI_PLAYER_H
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#include "audio/mixer.h"
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#include "audio/mididrv_ms.h"
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#include "audio/midiparser.h"
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namespace Ultima {
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namespace Ultima8 {
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class MidiPlayer {
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public:
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MidiPlayer();
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~MidiPlayer();
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/**
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* Load the specified music data
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*/
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void load(byte *data, size_t size, int seqNo);
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/**
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* Load the XMIDI data containing the transition tracks.
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* Call this function before calling playTransition.
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*/
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void loadTransitionData(byte *data, size_t size);
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/**
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* Play the specified music track, starting at the
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* specified branch. Use branchNo -1 to start from the
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* beginning.
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*/
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void play(int trackNo, int branchNo);
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/**
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* Plays the specified transition track. If overlay is specified, the
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* transition is overlaid on the currently playing music track and this
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* track is stopped when the transition ends. If overlay is not specified,
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* the currently playing music track is stopped before the transition is
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* started.
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*/
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void playTransition(int trackNo, bool overlay);
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/**
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* Stop the currently playing track.
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*/
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void stop();
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/**
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* Pause or resume playback of the current track.
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*/
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void pause(bool pause);
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/**
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* Returns true if a track is playing.
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*/
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bool isPlaying();
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/**
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* Starts a fade-out of the specified duration (in milliseconds).
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*/
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void startFadeOut(uint16 length);
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/**
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* Returns true if the music is currently fading.
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*/
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bool isFading();
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/**
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* Synchronizes the user volume settings with those of the game.
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*/
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void syncSoundSettings();
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/**
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* Sets whether the music should loop
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*/
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void setLooping(bool loop);
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/**
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* Returns true if the current music track has a branch
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* defined for the specified index.
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*/
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bool hasBranchIndex(uint8 index);
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bool isFMSynth() const {
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return _isFMSynth;
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};
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static void xmidiCallback(byte eventData, void *data);
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byte getSequenceCallbackData(int seq) const {
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assert(seq == 0 || seq == 1);
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return _callbackData[seq];
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}
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void onTimer();
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static void timerCallback(void *data);
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private:
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MidiDriver_Multisource *_driver;
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MidiParser *_parser;
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MidiParser *_transitionParser;
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bool _isFMSynth;
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bool _playingTransition;
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static byte _callbackData[2];
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};
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} // End of namespace Ultima8
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} // End of namespace Ultima
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#endif
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