mirror of
https://github.com/jialexd/sdk-ameba-v4.0c_180328.git
synced 2024-11-24 15:04:20 +00:00
24 lines
754 B
C
24 lines
754 B
C
|
#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
|