jens
843c6e300c
git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@37 b431acfa-c32f-4a4a-93f1-934dc6c82436
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
// --------------------------------------------------------------
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// --------------------------------------------------------------
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#ifndef _WAVETABLE_H_
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#define _WAVETABLE_H_
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#include "synth_types.h"
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#define WT_NUM_WAVES 422
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#define WT_WAVE_SIZE 128
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#define WT_NUM_WAVETABLES 40
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#define WT_WAVETABLE_SIZE 64
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// --------------------------------------------------------------
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// Types
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// --------------------------------------------------------------
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enum
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{
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WT_WAVEFORM_REGULAR,
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WT_WAVEFORM_INTERPOLATED,
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WT_NUM_WAVEFORMS
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};
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enum
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{
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WT_PARAM2_WAVEFORM,
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WT_PARAM2_WAVETABLE_ID,
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WT_PARAM2_WAVETABLE_ENTRY,
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WT_NUM_PARAMS
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};
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typedef struct _swt_descr_entry_t
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{
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UINT32 pos, wave_id;
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} wt_descr_entry_t;
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typedef struct _swt_descr_t
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{
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UINT32 num_entries;
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wt_descr_entry_t pEntry[WT_WAVETABLE_SIZE];
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} wt_descr_t;
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typedef struct _swt_common_t
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{
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unsigned char wave_rawdata[38400];
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synth_float_t waves[WT_NUM_WAVES][WT_WAVE_SIZE];
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synth_float_t **ppWavetables[WT_NUM_WAVETABLES]; //[WT_WAVETABLE_SIZE][WT_WAVE_SIZE];
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} wt_common_t;
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typedef struct _swt_t
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{
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UINT32 id;
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wt_common_t *pCom;
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synth_float_t fm, x, dx, wt_index;
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UINT32 startup, wt_start;
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synth_float_t param[WT_NUM_PARAMS];
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synth_float_t fs;
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} wt_t;
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// --------------------------------------------------------------
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// --------------------------------------------------------------
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// Exported functions
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// --------------------------------------------------------------
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void WT_ModInit(wt_common_t *pCom);
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void WT_ModFree(wt_common_t *pCom);
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void WT_Init(wt_t *pObj, UINT32 id, wt_common_t *pCom, synth_float_t fs);
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void WT_Free(wt_t *pObj);
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void WT_SetFS(wt_t *pObj, synth_float_t fs);
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void WT_Reset(wt_t *pObj, synth_float_t phase);
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void WT_Param2Set(wt_t *pObj, UINT32 type, synth_float_t value);
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void WT_Prepare(wt_t *pObj);
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void WT_Start(wt_t *pObj);
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void WT_ProcessDataV(wt_t *pObj, synth_float_t *pPitch, synth_float_t *pCV_fm, synth_float_t *pCV_pwm, synth_float_t *pOut, UINT32 len);
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#if defined(__cplusplus)
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}
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#endif
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// --------------------------------------------------------------
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#endif // _WAVETABLE_H_
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