#ifndef _SYNTH_H
#define _SYNTH_H
#include <BeBuild.h>
#include <Entry.h>
#include <MidiDefs.h>
#include <OS.h>
typedef enum interpolation_mode
{
B_DROP_SAMPLE = 0,
B_2_POINT_INTERPOLATION,
B_LINEAR_INTERPOLATION
}
interpolation_mode;
typedef enum reverb_mode
{
B_REVERB_NONE = 1,
B_REVERB_CLOSET,
B_REVERB_GARAGE,
B_REVERB_BALLROOM,
B_REVERB_CAVERN,
B_REVERB_DUNGEON
}
reverb_mode;
typedef void (*synth_controller_hook) (
int16 channel, int16 controller, int16 value);
class BMidiSynth;
class BMidiSynthFile;
namespace BPrivate { class BSoftSynth; }
class BSynth {
public:
BSynth();
BSynth(synth_mode synth);
virtual ~BSynth();
status_t LoadSynthData(entry_ref* instrumentsFile);
status_t LoadSynthData(synth_mode synth);
synth_mode SynthMode(void);
void Unload(void);
bool IsLoaded(void) const;
status_t SetSamplingRate(int32 sample_rate);
int32 SamplingRate() const;
status_t SetInterpolation(interpolation_mode interp_mode);
interpolation_mode Interpolation() const;
void SetReverb(reverb_mode rev_mode);
reverb_mode Reverb() const;
status_t EnableReverb(bool reverb_enabled);
bool IsReverbEnabled() const;
status_t SetVoiceLimits(
int16 maxSynthVoices, int16 maxSampleVoices,
int16 limiterThreshhold);
int16 MaxSynthVoices(void) const;
int16 MaxSampleVoices(void) const;
int16 LimiterThreshhold(void) const;
void SetSynthVolume(double theVolume);
double SynthVolume(void) const;
void SetSampleVolume(double theVolume);
double SampleVolume(void) const;
status_t GetAudio(
int16* pLeft, int16* pRight, int32 max_samples) const;
void Pause(void);
void Resume(void);
void SetControllerHook(int16 controller, synth_controller_hook cback);
int32 CountClients(void) const;
private:
friend class BMidiSynth;
friend class BMidiSynthFile;
virtual void _ReservedSynth1();
virtual void _ReservedSynth2();
virtual void _ReservedSynth3();
virtual void _ReservedSynth4();
void _Init();
BPrivate::BSoftSynth* fSynth;
synth_mode fSynthMode;
int32 fClientCount;
uint32 _reserved[10];
};
extern BSynth* be_synth;
#endif
