41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
|
#ifndef __AUDIO_GAIN_PORCESS__H
|
|||
|
|
#define __AUDIO_GAIN_PORCESS__H
|
|||
|
|
|
|||
|
|
#include "media/audio_stream.h"
|
|||
|
|
|
|||
|
|
#ifndef RUN_NORMAL
|
|||
|
|
#define RUN_NORMAL 0
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#ifndef RUN_BYPASS
|
|||
|
|
#define RUN_BYPASS 1
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
struct aud_gain_parm {
|
|||
|
|
float gain;//增加多少dB
|
|||
|
|
u8 channel;//通道数
|
|||
|
|
u8 indata_inc;//channel ==1 ?1:2;
|
|||
|
|
u8 outdata_inc;//channel ==1 ?1:2;
|
|||
|
|
u8 bit_wide;//0:16bit 1：32bit
|
|||
|
|
u16 gain_name;
|
|||
|
|
};
|
|||
|
|
struct aud_gain_parm_update {
|
|||
|
|
float gain;//增加多少dB
|
|||
|
|
};
|
|||
|
|
struct aud_gain_process {
|
|||
|
|
struct audio_stream_entry entry; // 音频流入口
|
|||
|
|
struct list_head hentry; //
|
|||
|
|
struct aud_gain_parm parm;
|
|||
|
|
u8 status; //内部运行状态机
|
|||
|
|
u8 update; //设置参数更新标志
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
|
|||
|
|
struct aud_gain_process *audio_gain_process_open(struct aud_gain_parm *parm);
|
|||
|
|
void audio_gain_process_run(struct aud_gain_process *hdl, s16 *data, int len);
|
|||
|
|
void audio_gain_process_close(struct aud_gain_process *hdl);
|
|||
|
|
void audio_gain_process_update(u16 gain_name, struct aud_gain_parm_update *parm);
|
|||
|
|
void audio_gain_process_bypass(u16 gain_name, u8 bypass);
|
|||
|
|
|
|||
|
|
#endif
|