30 lines
973 B
C
30 lines
973 B
C
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/**
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************************************************************************************************************
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* Copyright(c) 2014-2015, Realtek Semiconductor Corporation. All rights reserved.
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************************************************************************************************************
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* @file ima_adpcm_enc.h
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* @brief
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* @author Chenjie Jin
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* @date 2018-05-14
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* @version v0.2
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*************************************************************************************************************
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*/
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#ifndef __IMA_ADPCM_ENCODE_H__
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#define __IMA_ADPCM_ENCODE_H__
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#include "stdint.h"
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typedef struct
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{
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short valprev; /* Previous output value */
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char index; /* Index into stepsize table */
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uint16_t seq_id; /* sequnce index */
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} T_IMA_ADPCM_STATE;
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int ima_adpcm_encode(short *indata, unsigned char *outdata, int len, T_IMA_ADPCM_STATE *state);
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extern T_IMA_ADPCM_STATE ima_adpcm_global_state;
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#endif /* __CVSD_ENCODE_H__ */
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