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24 lines
731 B
C
24 lines
731 B
C
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#ifndef _G711_CODEC_H
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#define _G711_CODEC_H
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#include "basic_types.h"
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typedef enum {
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I2S_MODE_UNKNOWN = -1,
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I2S_MODE_G711A = 1,
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I2S_MODE_G711U = 2
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}I2S_mode;
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typedef struct {
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I2S_mode mode; //intend to encode as G711A or G711U
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int len; //data length
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// _sema RWSema;
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unsigned char *raw_data; //address of buffered data (not encoded
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int data_start; // a shift value to show where the data starts
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int data_end; // a shift value shows data ending
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}i2s_buf_context;
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//void encoder_init(int mode);
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int G711_encoder(short *source, unsigned char *des, int mode, int size);
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int G711_decoder(unsigned char *source, short *des, int mode, int size);
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int mono2stereo(unsigned char *src, unsigned char *dst, int size, int wl);
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#endif
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