diff options
Diffstat (limited to 'Alc/midi/base.h')
| -rw-r--r-- | Alc/midi/base.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/Alc/midi/base.h b/Alc/midi/base.h deleted file mode 100644 index 823e3802..00000000 --- a/Alc/midi/base.h +++ /dev/null @@ -1,133 +0,0 @@ -#ifndef AL_MIDI_BASE_H -#define AL_MIDI_BASE_H - -#include "alMain.h" -#include "atomic.h" -#include "evtqueue.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct ALsoundfont; - -typedef size_t (*ReaderCb)(void *ptr, size_t size, void *stream); -typedef struct Reader { - ReaderCb cb; - void *ptr; - int error; -} Reader; -inline size_t Reader_read(Reader *self, void *buf, size_t len) -{ - size_t got = (!self->error) ? self->cb(buf, len, self->ptr) : 0; - if(got < len) self->error = 1; - return got; -} -#define READERR(x_) ((x_)->error) - -ALboolean loadSf2(Reader *stream, struct ALsoundfont *sfont, ALCcontext *context); - - -#define MIDI_CLOCK_RES U64(1000000000) - - -struct MidiSynthVtable; - -typedef struct MidiSynth { - EvtQueue EventQueue; - - ALuint64 ClockBase; - ALuint SamplesDone; - ALuint SampleRate; - - /* NOTE: This rwlock is for the state and soundfont. The EventQueue and - * related must instead use the device lock as they're used in the mixer - * thread. - */ - RWLock Lock; - - struct ALsoundfont **Soundfonts; - ALsizei NumSoundfonts; - - volatile ALfloat Gain; - volatile ALenum State; - - const struct MidiSynthVtable *vtbl; -} MidiSynth; - -void MidiSynth_Construct(MidiSynth *self, ALCdevice *device); -void MidiSynth_Destruct(MidiSynth *self); -ALenum MidiSynth_selectSoundfonts(MidiSynth *self, ALCcontext *context, ALsizei count, const ALuint *ids); -inline void MidiSynth_setGain(MidiSynth *self, ALfloat gain) { self->Gain = gain; } -inline ALfloat MidiSynth_getGain(const MidiSynth *self) { return self->Gain; } -inline void MidiSynth_setState(MidiSynth *self, ALenum state) { self->State = state; } -inline ALenum MidiSynth_getState(const MidiSynth *self) { return self->State; } -void MidiSynth_stop(MidiSynth *self); -inline void MidiSynth_reset(MidiSynth *self) { MidiSynth_stop(self); } -inline ALuint64 MidiSynth_getTime(const MidiSynth *self) -{ return self->ClockBase + (self->SamplesDone*MIDI_CLOCK_RES/self->SampleRate); } -inline ALuint64 MidiSynth_getNextEvtTime(const MidiSynth *self) -{ - if(self->EventQueue.pos == self->EventQueue.size) - return UINT64_MAX; - return self->EventQueue.events[self->EventQueue.pos].time; -} -void MidiSynth_setSampleRate(MidiSynth *self, ALuint srate); -inline void MidiSynth_update(MidiSynth *self, ALCdevice *device) -{ MidiSynth_setSampleRate(self, device->Frequency); } -ALenum MidiSynth_insertEvent(MidiSynth *self, ALuint64 time, ALuint event, ALsizei param1, ALsizei param2); -ALenum MidiSynth_insertSysExEvent(MidiSynth *self, ALuint64 time, const ALbyte *data, ALsizei size); - - -struct MidiSynthVtable { - void (*const Destruct)(MidiSynth *self); - - ALenum (*const selectSoundfonts)(MidiSynth *self, ALCcontext *context, ALsizei count, const ALuint *ids); - - void (*const setGain)(MidiSynth *self, ALfloat gain); - - void (*const stop)(MidiSynth *self); - void (*const reset)(MidiSynth *self); - - void (*const update)(MidiSynth *self, ALCdevice *device); - void (*const process)(MidiSynth *self, ALuint samples, ALfloat (*restrict DryBuffer)[BUFFERSIZE], ALuint NumChannels); - - void (*const Delete)(void *ptr); -}; - -#define DEFINE_MIDISYNTH_VTABLE(T) \ -DECLARE_THUNK(T, MidiSynth, void, Destruct) \ -DECLARE_THUNK3(T, MidiSynth, ALenum, selectSoundfonts, ALCcontext*, ALsizei, const ALuint*) \ -DECLARE_THUNK1(T, MidiSynth, void, setGain, ALfloat) \ -DECLARE_THUNK(T, MidiSynth, void, stop) \ -DECLARE_THUNK(T, MidiSynth, void, reset) \ -DECLARE_THUNK1(T, MidiSynth, void, update, ALCdevice*) \ -DECLARE_THUNK3(T, MidiSynth, void, process, ALuint, ALfloatBUFFERSIZE*restrict, ALuint) \ -static void T##_MidiSynth_Delete(void *ptr) \ -{ T##_Delete(STATIC_UPCAST(T, MidiSynth, (MidiSynth*)ptr)); } \ - \ -static const struct MidiSynthVtable T##_MidiSynth_vtable = { \ - T##_MidiSynth_Destruct, \ - \ - T##_MidiSynth_selectSoundfonts, \ - T##_MidiSynth_setGain, \ - T##_MidiSynth_stop, \ - T##_MidiSynth_reset, \ - T##_MidiSynth_update, \ - T##_MidiSynth_process, \ - \ - T##_MidiSynth_Delete, \ -} - - -MidiSynth *SSynth_create(ALCdevice *device); -MidiSynth *FSynth_create(ALCdevice *device); -MidiSynth *DSynth_create(ALCdevice *device); - -MidiSynth *SynthCreate(ALCdevice *device); - -#ifdef __cplusplus -} -#endif - -#endif /* AL_MIDI_BASE_H */ |