48 lines
1.8 KiB
C
48 lines
1.8 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[2];//增加多少dB
|
||
u16 gain_name;
|
||
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
|
||
u8 divide;//左右声道是否需要独立的gain
|
||
};
|
||
struct aud_gain_parm_update {
|
||
float gain[2];//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);
|
||
struct aud_gain_process *get_cur_gain_hdl_by_name(u32 gain_name);
|
||
|
||
void GainProcess_16Bit(short *in, short *out, float gain, int channel, int IndataInc, int OutdataInc, int per_channel_npoint); //16位宽
|
||
void GainProcess_32Bit(int *in, int *out, float gain, int channel, int IndataInc, int OutdataInc, int per_channel_npoint); //32位宽
|
||
void SplitGainProcess_16Bit(short *in, short *out, float *gain, int channel, int IndataInc, int OutdataInc, int per_channel_npoint); //16位宽
|
||
void SplitGainProcess_32Bit(int *in, int *out, float *gain, int channel, int IndataInc, int OutdataInc, int per_channel_npoint); //32位宽
|
||
#endif
|