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7778c065bc
loadNewMusic is called indirectly by audio thread. Android doesn't support opening file from it and it's not a good behaviour anyway as IO calls may block. The file is opened when the music is started.
100 lines
2.4 KiB
C++
100 lines
2.4 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 SKY_MUSIC_MUSICBASE_H
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#define SKY_MUSIC_MUSICBASE_H
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#include "common/scummsys.h"
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#include "common/mutex.h"
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#include "audio/mixer.h"
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namespace Audio {
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class SeekableAudioStream;
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}
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namespace Sky {
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class Disk;
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#define FILES_PER_SECTION 4
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typedef struct {
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uint8 musicToProcess;
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Audio::SeekableAudioStream *stream;
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} Actions;
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class ChannelBase {
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public:
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virtual ~ChannelBase() {}
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virtual uint8 process(uint16 aktTime) = 0;
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virtual void updateVolume(uint16 pVolume) = 0;
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virtual bool isActive() = 0;
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private:
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};
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class MusicBase {
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public:
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MusicBase(Audio::Mixer *pMixer, Disk *pDisk);
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virtual ~MusicBase();
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void loadSection(uint8 pSection);
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void startMusic(uint16 param);
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void stopMusic();
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bool musicIsPlaying();
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uint8 giveVolume();
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uint8 giveCurrentMusic();
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virtual void setVolume(uint16 param) = 0;
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protected:
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Audio::Mixer *_mixer;
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Disk *_skyDisk;
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uint8 *_musicData;
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uint16 _musicDataLoc;
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uint16 _driverFileBase;
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uint16 _musicVolume, _numberOfChannels;
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uint8 _currentMusic, _currentSection;
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uint8 _musicTempo0; // can be changed by music stream
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uint8 _musicTempo1; // given once per music
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uint32 _tempo; // calculated from musicTempo0 and musicTempo1
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uint32 _aktTime;
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Actions _onNextPoll;
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ChannelBase *_channels[10];
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Common::Mutex _mutex;
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Audio::SoundHandle _musicHandle;
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virtual void setupPointers() = 0;
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virtual void setupChannels(uint8 *channelData) = 0;
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virtual void startDriver() = 0;
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void updateTempo();
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void loadNewMusic();
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void pollMusic();
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void stopMusicInternal();
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};
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} // End of namespace Sky
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#endif //MUSICBASE_H
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