nrf_dsp_window_sliding.h

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/*
 * Copyright (c) 2026 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
#ifndef _NRF_DSP_UTILS_WINDOW_SLIDING_H_
#define _NRF_DSP_UTILS_WINDOW_SLIDING_H_
 
#include <nrf_edgeai/dsp/nrf_dsp_types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef void (*nrf_dsp_window_sliding_cb_t)(void* p_window, uint16_t window_size, void* p_user_ctx);
 
typedef struct nrf_dsp_window_sliding_s
{
    void* p_window;
 
    nrf_dsp_window_sliding_cb_t on_ready_cb;
 
    uint32_t current_fill;
 
    uint16_t sample_size;
 
    uint16_t window_size;
 
    uint16_t window_hop;
 
    void* p_user_ctx;
} nrf_dsp_window_sliding_t;
 
int8_t nrf_dsp_window_sliding_init(nrf_dsp_window_sliding_t*   p_ctx,
                                   void*                       p_window,
                                   uint16_t                    window_size,
                                   uint16_t                    sample_size,
                                   uint16_t                    window_hop,
                                   nrf_dsp_window_sliding_cb_t cb,
                                   void*                       p_user_ctx);
 
void nrf_dsp_window_sliding_feed(nrf_dsp_window_sliding_t* p_ctx,
                                 void*                     p_samples,
                                 uint16_t                  samples_num);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _NRF_DSP_UTILS_WINDOW_SLIDING_H_ */