mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-28 04:34:50 +00:00
6778175f6d
This mostly enforces tabs for indentation and spaces for formatting. But also fixes spaces on empty lines, some extra/missing spaces. astyle + manual fixup
118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
/* 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 2
|
|
* 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef AGI_SOUND_SARIEN_H
|
|
#define AGI_SOUND_SARIEN_H
|
|
|
|
#include "audio/audiostream.h"
|
|
|
|
namespace Agi {
|
|
|
|
#define BUFFER_SIZE 410
|
|
|
|
#define WAVEFORM_SIZE 64
|
|
#define ENV_ATTACK 10000 /**< envelope attack rate */
|
|
#define ENV_DECAY 1000 /**< envelope decay rate */
|
|
#define ENV_SUSTAIN 100 /**< envelope sustain level */
|
|
#define ENV_RELEASE 7500 /**< envelope release rate */
|
|
#define NUM_CHANNELS 7 /**< number of sound channels */
|
|
|
|
enum AgiSoundFlags {
|
|
AGI_SOUND_LOOP = 0x0001,
|
|
AGI_SOUND_ENVELOPE = 0x0002
|
|
};
|
|
enum AgiSoundEnv {
|
|
AGI_SOUND_ENV_ATTACK = 3,
|
|
AGI_SOUND_ENV_DECAY = 2,
|
|
AGI_SOUND_ENV_SUSTAIN = 1,
|
|
AGI_SOUND_ENV_RELEASE = 0
|
|
};
|
|
|
|
|
|
/**
|
|
* AGI engine sound channel structure.
|
|
*/
|
|
struct ChannelInfo {
|
|
AgiSoundEmuType type;
|
|
const uint8 *ptr; // Pointer to the AgiNote data
|
|
const int16 *ins;
|
|
int32 size;
|
|
uint32 phase;
|
|
uint32 flags; // ORs values from AgiSoundFlags
|
|
AgiSoundEnv adsr;
|
|
int32 timer;
|
|
uint32 end;
|
|
uint32 freq;
|
|
uint32 vol;
|
|
uint32 env;
|
|
};
|
|
|
|
class SoundGenSarien : public SoundGen, public Audio::AudioStream {
|
|
public:
|
|
SoundGenSarien(AgiBase *vm, Audio::Mixer *pMixer);
|
|
~SoundGenSarien();
|
|
|
|
void play(int resnum);
|
|
void stop(void);
|
|
|
|
// AudioStream API
|
|
int readBuffer(int16 *buffer, const int numSamples);
|
|
|
|
bool isStereo() const {
|
|
return false;
|
|
}
|
|
|
|
bool endOfData() const {
|
|
return false;
|
|
}
|
|
|
|
int getRate() const {
|
|
// FIXME: Ideally, we should use _sampleRate.
|
|
return 22050;
|
|
}
|
|
|
|
private:
|
|
ChannelInfo _chn[NUM_CHANNELS];
|
|
uint8 _env;
|
|
|
|
int16 *_sndBuffer;
|
|
const int16 *_waveform;
|
|
|
|
bool _useChorus;
|
|
|
|
bool _playing;
|
|
int _playingSound;
|
|
|
|
private:
|
|
void playSound();
|
|
uint32 mixSound();
|
|
void fillAudio(int16 *stream, uint len);
|
|
|
|
void stopNote(int i);
|
|
void playNote(int i, int freq, int vol);
|
|
|
|
};
|
|
|
|
} // End of namespace Agi
|
|
|
|
#endif /* AGI_SOUND_SARIEN_H */
|