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include_lib/media/media_develop/media/drc_api.h
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include_lib/media/media_develop/media/drc_api.h
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#ifndef DRC_API_H
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#define DRC_API_H
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#ifdef WIN32
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#define AT_DRC(x)
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#define AT_DRC_CODE
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#define AT_DRC_CONST
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#define AT_DRC_SPARSE_CODE
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#define AT_DRC_SPARSE_CONST
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#else
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#define AT_DRC(x) __attribute((section(#x)))
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#define AT_DRC_CODE AT_DRC(.drc_code)
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#define AT_DRC_CONST AT_DRC(.drc_const)
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#define AT_DRC_SPARSE_CODE AT_DRC(.drc_sparse_code)
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#define AT_DRC_SPARSE_CONST AT_DRC(.drc_sparse_const)
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#endif
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enum {
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DATA_IN_SHORT = 0, //输入数据类型，输入short时，输出不能为int
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DATA_IN_INT,
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};
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enum {
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DATA_OUT_SHORT = 0, //输出数据类型，输入short时，输出不能为int
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DATA_OUT_INT
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};
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enum {
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PEAK = 0, //算法类型
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RMS
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};
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enum {
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PERPOINT = 0, //mode 模式
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TWOPOINT
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};
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int GetDrcBuf(int algorithm, int *rmsTime, int channel, int sampleRate);
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void DrcInit(void *WorkBuf, int *attackTime, int *releaseTime, float *threshold, int *ThresholdNum, int *rmsTime, int channel, int sampleRate, int algorithm, int mode, int intype, int outtype);
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void DrcUpdate(void *WorkBuf, int *attackTime, int *releaseTime, float *threshold, int *ThresholdNum, int mode);
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int DrcRun(void *WorkBuf, void *indata, void *outdata, int per_channel_npoint);
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#if 0
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int GetDrcBuf(int algorithm, int *rmsTime, int channel, int sampleRate);
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获取buf大小
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参数说明：
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algorithm：算法类型，PEAK或者RMS
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rmsTime:
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rms时间ms，算法类型为RMS时有效
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channel： 通道数
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sampleRate:
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采样率
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/* float *threshold[5]; */
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struct threshold {
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float x ;
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float y ;
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}
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struct threshold ttt[2][5] //+ 90.3;
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void DrcInit(void *WorkBuf, int *attackTime, int *releaseTime, float *threshold, int *ThresholdNum, int *rmsTime, int channel, int sampleRate, int algorithm, int mode, int intype, int outtype);
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初始化
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参数说明：
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WorkBuf:
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运行buf
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attackTime:
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启动时间ms
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releaseTime:
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释放时间ms
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threshold:
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信号输入与对应的输出[in1, out1, in2, out2 ***排列] 最多5组数据, 3个阈值，4段
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ThresholdNum:
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信号输入与对应的输出组数
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rmsTime:
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rms时间ms
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channel:
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通道
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sampleRate：采样率
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algorithm：算法类型
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mode：模式
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intype：输入数据类型，DATA_IN_SHORT或者DATA_IN_INT
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outtype:
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输出数据类型，DATA_OUT_SHOR或者DATA_OUT_INT；若输入数据类型为DATA_IN_SHORT，输出类型只能设置为DATA_OUT_SHOR
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void DrcUpdate(void *WorkBuf, int *attackTime, int *releaseTime, float *threshold, int *ThresholdNum, int channel, int sampleRate);
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更新参数：使用rms算法时，当rmsTime fs变化时因为buf会产生变化，只能初始化更新
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参数说明：
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WorkBuf:
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运行buf
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attackTime:
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启动时间ms
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releaseTime:
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释放时间ms
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threshold:
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信号输入与对应的输出[in1, out1, in2, out2 ***排列] 最多5组数据, 3个阈值，4段
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ThresholdNum:
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信号输入与对应的输出组数
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int DrcRun(void *WorkBuf, void *indata, void *outdata, int per_channel_npoint);
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运行：输入输出数据类型，要跟初始化配置的数据类型对应
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WorkBuf:
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运行buf
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indata：输入数据
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outdata：输出数据
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per_channel_npoint：每个通道的样点数
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#endif
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#endif // !DRC_API_H
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include_lib/media/media_develop/media/sw_drc.h
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include_lib/media/media_develop/media/sw_drc.h
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#ifdef CONFIG_EFFECT_CORE_V2_ENABLE
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#include "media/sw_drc.h"
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#else
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#ifndef __SW_DRC_H
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#define __SW_DRC_H
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#include "generic/typedef.h"
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#include "generic/list.h"
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#include "os/os_api.h"
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#include "drc_api.h"
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#define DRC_TYPE_LIMITER 1
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#define DRC_TYPE_COMPRESSOR 2
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#define WDRC_TYPE 3 //wdc 要求，硬件输出24bit、32bit
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struct drc_limiter {
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int attacktime; //启动时间
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int releasetime; //释放时间
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int threshold[2]; //threshold[1]是固定值32768, threshold[0]为界面参数
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};
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struct drc_compressor {
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int attacktime; //启动时间
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int releasetime; //释放时间
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int threshold[3]; //threshold[2]是固定值32768
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int ratio[3]; //ratio[0]为固定值100， ratio[1] ratio[2]为界面参数
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};
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struct threshold_group {
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float in_threshold;
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float out_threshold;
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};
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struct wdrc_struct {
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u16 attacktime; //启动时间
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u16 releasetime; //释放时间
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struct threshold_group threshold[7];
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u8 threshold_num;
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u8 rms_time;
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u8 algorithm;//0:PEAK 1:RMS
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u8 mode;//0:PERPOINT 1:TWOPOINT
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u16 holdtime; //预留位置
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u8 reverved[2];//预留位置
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};
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//对耳wdrc处理，区分左右声道
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#define L_wdrc 0x10
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#define LL_wdrc 0x20
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#define R_wdrc 0x40
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#define RR_wdrc 0x80
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struct drc_ch_org {
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u8 nband; //max<=3，1：全带 2：两段 3：三段
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u8 type; //0:没有使能限幅和压缩器，1:限幅器 2:压缩器 3:wdrc
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u8 reserved[2]; //reserved[1]保留,未用, reserved[0]记录了 多带限幅时，是否再开启一次全带限幅
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int low_freq; //中低频分频点
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int high_freq; //中高频分频点
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int order; //分频器阶数, 2或者4
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union {
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struct drc_limiter limiter[4]; //限幅器
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struct drc_compressor compressor[3];//压缩器
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} _p;
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};
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struct drc_ch {
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u8 nband; //max<=3，1：全带 2：两段 3：三段
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u8 type; //0:没有使能限幅和压缩器，1:限幅器 2:压缩器 3:wdrc
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u8 reserved[2]; //reserved[1]保留,未用, reserved[0]记录了 多带限幅时，是否再开启一次全带限幅
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int low_freq; //中低频分频点
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int high_freq; //中高频分频点
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int order; //分频器阶数, 2或者4
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union {
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struct drc_limiter limiter[4]; //限幅器
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struct drc_compressor compressor[3];//压缩器
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struct wdrc_struct wdrc[4][2];// [][0]wdrc左声道，[][1]wdrc右声道
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} _p;
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};
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struct sw_drc {
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void *work_buf[4]; //drc内部驱动句柄
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void *crossoverBuf; //分频器句柄
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int *run_tmp[3]; //多带限幅器或压缩器，运行buf
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int run_tmp_len; //多带限幅器或压缩器，运行buf 长度
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u8 nband; //max<=3，1：全带 2：两段 3：三段
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u8 type; //0:没有使能限幅和压缩器，1:限幅器 2:压缩器
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u8 channel; //通道数
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u8 run32bit; //drc处理输入输出数据位宽是否是32bit 1:32bit 0:16bit
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struct audio_eq *crossover[3];//多带分频器eq句柄
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u32 sample_rate; //采样率
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u8 nsection; //分频器eq段数
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u8 other_band_en; //多带限幅器之后，是否需要再做一次全带的限幅器 1：需要，0：不需要
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};
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extern void *get_low_sosmatrix();
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extern void *get_high_sosmatrix();
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extern void *get_band_sosmatrix();
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extern int get_crossover_nsection();
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extern void *audio_sw_drc_open(struct drc_ch *ch_tmp, u32 sample_rate, u8 channel, u8 drc_name, u8 run32bit);
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extern void audio_sw_drc_close(void *hdl);
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extern int audio_sw_drc_update(void *hdl, struct drc_ch *ch_tmp, u32 sample_rate, u8 channel);
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extern int audio_sw_drc_run(void *hdl, s16 *in_buf, s16 *out_buf, int npoint_per_channel);
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void audio_hw_crossover_open(struct sw_drc *drc, int (*L_coeff)[3], u8 nsection);
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void audio_hw_crossover_close(struct sw_drc *drc);
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void audio_hw_crossover_run(struct sw_drc *drc, s16 *data, int len);
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void audio_hw_crossover_update(struct sw_drc *drc, int (*L_coeff)[3], u8 nsection);
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#endif
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#endif /*CONFIG_EFFECT_CORE_V2_ENABLE*/
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