mirror of
https://github.com/libretro/scummvm.git
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98 lines
2.7 KiB
C++
98 lines
2.7 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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#ifndef SWORD1_MUSIC_H
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#define SWORD1_MUSIC_H
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#include "common/scummsys.h"
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#include "common/mutex.h"
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#include "common/file.h"
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#include "sound/audiostream.h"
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#include "sound/mixer.h"
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#include "sound/rate.h"
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namespace Sword1 {
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#define TOTAL_TUNES 270
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class MusicHandle : public Audio::AudioStream {
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private:
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Common::File _file;
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int32 _fading;
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int32 _fadeSamples;
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Audio::AudioStream *_audioSource;
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public:
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MusicHandle() : _fading(0), _audioSource(NULL) {}
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virtual int readBuffer(int16 *buffer, const int numSamples);
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bool play(const char *filename, bool loop);
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bool playPSX(uint16 id, bool loop);
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void stop();
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void fadeUp();
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void fadeDown();
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bool streaming() const;
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int32 fading() { return _fading; }
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bool endOfData() const;
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bool endOfStream() const { return false; }
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bool isStereo() const;
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int getRate() const;
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};
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class Music : public Audio::AudioStream {
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public:
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Music(Audio::Mixer *pMixer);
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~Music();
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void startMusic(int32 tuneId, int32 loopFlag);
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void fadeDown();
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void setVolume(uint8 volL, uint8 volR);
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void giveVolume(uint8 *volL, uint8 *volR);
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// AudioStream API
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int readBuffer(int16 *buffer, const int numSamples) {
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mixer(buffer, numSamples / 2);
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return numSamples;
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}
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bool isStereo() const { return true; }
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bool endOfData() const { return false; }
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int getRate() const { return _sampleRate; }
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private:
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Audio::st_volume_t _volumeL, _volumeR;
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MusicHandle _handles[2];
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Audio::RateConverter *_converter[2];
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Audio::Mixer *_mixer;
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Audio::SoundHandle _soundHandle;
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uint32 _sampleRate;
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Common::Mutex _mutex;
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static void passMixerFunc(void *param, int16 *buf, uint len);
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void mixer(int16 *buf, uint32 len);
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static const char _tuneList[TOTAL_TUNES][8]; // in staticres.cpp
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};
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} // End of namespace Sword1
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#endif // BSMUSIC_H
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