huxi
38 lines
924 B
C
38 lines
924 B
C
#ifndef AUDIO_ENCODE_COMMON_API_H
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#define AUDIO_ENCODE_COMMON_API_H
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#include "cpu.h"
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/*********************** ENC *************************/
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typedef struct _EN_FILE_IO_ {
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void *priv;
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u16(*input_data)(void *priv, s16 *buf, u8 channel, u16 len);
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u32(*output_data)(void *priv, u8 *buf, u16 len);
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} EN_FILE_IO;
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typedef struct _ENC_DATA_INFO_ {
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u16 sr; ///<sample rate
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u16 br; ///<mp2的时候它是bitrate，但是adpcm的时候，它是blockSize,一般配成256/512/1024/2048，超过2048会被限制成2048
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u32 nch;
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u8 bit_width;
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} ENC_DATA_INFO;
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typedef struct _ENC_OPS {
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u32(*need_buf)(u32 channel);
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void (*open)(void *ptr, EN_FILE_IO *audioIO);
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void (*set_info)(void *ptr, ENC_DATA_INFO *data_info);
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u32(*init)(void *ptr);
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u32(*run)(void *ptr);
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u8 *(*write_head)(void *ptr, u16 *len);
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u32(*get_time)(void *ptr);
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} ENC_OPS;
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#endif
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