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- #ifndef _API_STREAM_H
- #define _API_STREAM_H
- ///通用AUDIO数据流Buffer管理
- typedef struct {
- u32 size; //stream buf size
- volatile u32 len; //stream buf valid data bytes
- u8 *buf; //stream buf start address
- u8 *wptr; //stream buf write point
- u8 *rptr; //stream buf read point
- } au_stm_t;
- bool puts_stm_buf(au_stm_t *stm, u8 *buf, u32 len);
- bool gets_stm_buf(au_stm_t *stm, u8 *buf, u32 len);
- void pcm_soft_vol_process(s16 *ptr, int gain, int samples); //通用软件调音量函数
- #endif // _API_STREAM_H
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