89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/**
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* Copyright (c) 2014-2018 Enzien Audio Ltd.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _HEAVY_TABLE_H_
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#define _HEAVY_TABLE_H_
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#include "HvHeavy.h"
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#include "HvUtils.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct HvTable {
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float *buffer;
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// the number of values that the table is requested to have
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hv_uint32_t length;
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// the number of usable values that the table actually has
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// this is always an even multiple of HV_N_SIMD
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hv_uint32_t size;
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// Note that the true size of the table is (size + HV_N_SIMD),
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// with the trailing values used by the system, e.g. to create a circular
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// buffer
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hv_uint32_t allocated;
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hv_uint32_t head; // the most recently written point
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} HvTable;
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hv_size_t hTable_init(HvTable *o, int length);
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hv_size_t hTable_initWithData(HvTable *o, int length, const float *data);
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hv_size_t hTable_initWithFinalData(HvTable *o, int length, float *data);
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void hTable_free(HvTable *o);
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int hTable_resize(HvTable *o, hv_uint32_t newLength);
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void hTable_onMessage(HeavyContextInterface *_c, HvTable *o, int letIn, const HvMessage *m,
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void (*sendMessage)(HeavyContextInterface *, int, const HvMessage *));
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static inline float *hTable_getBuffer(HvTable *o) {
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return o->buffer;
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}
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// the user-requested length of the table (number of floats)
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static inline hv_uint32_t hTable_getLength(HvTable *o) {
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return o->length;
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}
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// the usable length of the table (an even multiple of HV_N_SIMD)
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static inline hv_uint32_t hTable_getSize(HvTable *o) {
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return o->size;
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}
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// the number of floats allocated to this table (usually size + HV_N_SIMD)
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static inline hv_uint32_t hTable_getAllocated(HvTable *o) {
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return o->allocated;
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}
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static inline hv_uint32_t hTable_getHead(HvTable *o) {
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return o->head;
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}
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static inline void hTable_setHead(HvTable *o, hv_uint32_t head) {
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o->head = head;
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // _HEAVY_TABLE_H_
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