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ADElectronics 2017-12-24 12:49:22 +03:00
parent 7f07f696e1
commit c6c5eeed6f
1170 changed files with 608790 additions and 1 deletions
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Firmware/RTLGDB/USDK/component/common/audio/g711_codec.h Normal file
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#ifndef _G711_CODEC_H
#define _G711_CODEC_H
#include "basic_types.h"
typedef enum {
I2S_MODE_UNKNOWN = -1,
I2S_MODE_G711A = 1,
I2S_MODE_G711U = 2
}I2S_mode;
typedef struct {
I2S_mode mode; //intend to encode as G711A or G711U
int len; //data length
// _sema RWSema;
unsigned char *raw_data; //address of buffered data (not encoded
int data_start; // a shift value to show where the data starts
int data_end; // a shift value shows data ending
}i2s_buf_context;
//void encoder_init(int mode);
int G711_encoder(short *source, unsigned char *des, int mode, int size);
int G711_decoder(unsigned char *source, short *des, int mode, int size);
int mono2stereo(unsigned char *src, unsigned char *dst, int size, int wl);
#endif