pinebuds/services/multimedia/audio/process/integer_resampling/include/integer_resampling.h

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2022-08-15 04:20:27 -05:00
#ifndef __INTEGER_RESAMPLING_H__
#define __INTEGER_RESAMPLING_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
INTEGER_RESAMPLING_ITEM_48K_TO_16K = 0,
INTEGER_RESAMPLING_ITEM_NUM
} INTEGER_RESAMPLING_ITEM_T;
struct IntegerResamplingState_;
typedef struct IntegerResamplingState_ IntegerResamplingState;
// Creat a instance from integer_resampling module/class
IntegerResamplingState *integer_resampling_create(int32_t frame_size, int32_t channel_num, INTEGER_RESAMPLING_ITEM_T item, void *ext_alloc(int));
// Destory a integer_resampling instance
int32_t integer_resampling_destroy(IntegerResamplingState *st);
// Get/set some value or enable/disable some function
int32_t integer_resampling_ctl(IntegerResamplingState *st, int32_t ctl, void *ptr);
// Process speech stream
int32_t integer_resampling_process(IntegerResamplingState *st, int16_t *pcm_in, int32_t pcm_len, int16_t *pcm_out);
// Debug integer_resampling instance
int32_t integer_resampling_dump(IntegerResamplingState *st);
#ifdef __cplusplus
}
#endif
#endif