feat: Add rfid feature and .gitignore file
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139
include_lib/media/drc_api.h
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139
include_lib/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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typedef struct _DrcParam {
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/*
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int *attackTime; //启动时间
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int *releaseTime; //释放时间
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float *threshold; //阈值{x1,y1,x2,y2} 最多5组十个数据
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int *ThresholdNum; //阈值的组数
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int *rmsTime; // rms时间 algorithm为RMS有效
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float *InputGain; // 输入增益(db)
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float *OutputGain; // 输出数据增益(db)
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unsigned char algorithm; // PEAK或者RMS
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unsigned char mode; // 模式
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unsigned char intype; // 输入数据类型
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unsigned char outtype; // 输出数据类型
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*/
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int channel;
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int sampleRate;
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int attackTime; //启动时间
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int releaseTime; //释放时间
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float *threshold; //阈值{x1,y1,x2,y2} 最多5组十个数据
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int ThresholdNum; //阈值的组数
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int rmsTime; // rms时间 algorithm为RMS有效
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float InputGain; // 输入增益(db)
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float OutputGain; // 输出数据增益(db)
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unsigned char algorithm; // PEAK或者RMS
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unsigned char mode; // 模式
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unsigned char intype; // 输入数据类型
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unsigned char outtype; // 输出数据类型
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int IndataInc; // 输入数据同个通道下个点的步进 例如左右左右 步进为2
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int OutdataInc; // 输出数据同个通道下个点的步进 例如左右左右 步进为2
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} DrcParam;
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//int GetDrcBuf(int algorithm, int *rmsTime, int channel, int sampleRate);
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int GetDrcBuf(DrcParam *param); // bufsize 与 algorithm,rmsTime channel、 sampleRate有关
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//void DrcInit(void *WorkBuf, DrcParam *param, int channel, int sampleRate);
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void DrcInit(void *WorkBuf, DrcParam *param);
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void DrcUpdate(void *WorkBuf, DrcParam *param);
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int DrcRun(void *WorkBuf, void *indata, void *outdata, int per_channel_npoint);
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/* InputGain 输入数据放大或者缩小的db数(正数放大,负数缩小) */
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// inputgain 配2,表示总体增加2dB
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/* OutputGain 输出数据放大或者缩小的db数(正数放大,负数缩小) */
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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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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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