71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
#ifndef CROSSOVER_H
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#define CROSSOVER_H
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#ifdef WIN32
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#define AT_CROSSOVER(x)
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#define AT_CROSSOVER_CODE
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#define AT_CROSSOVER_SPARSE_CODE
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#define AT_CROSSOVER_CONST
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#define AT_CROSSOVER_SPARSE_CONST
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#else
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#define AT_CROSSOVER(x) __attribute__((section(#x)))
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#define AT_CROSSOVER_CODE AT_CROSSOVER(.crossOver_code)
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#define AT_CROSSOVER_SPARSE_CODE AT_CROSSOVER(.crossOver_sparse_code)
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#define AT_CROSSOVER_CONST AT_CROSSOVER(.crossOver_const)
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#define AT_CROSSOVER_SPARSE_CONST AT_CROSSOVER(.crossOver_sparse_const)
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#endif
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typedef struct _Filter {
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int channel;
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int nSection;
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int *SOSMatrix;
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int *SOSMem;
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int IndataInc;
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int OutdataInc;
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} Filter;
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typedef struct _CrossOver {
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Filter filter[3];
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int N;
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int channel;
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int way_num;
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int nSection;
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int sampleRate;
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/*
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int low_fc[2];
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int high_fc[2];
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*/
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int low_fc;
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int high_fc;
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int *low_SOSMatrix; // 低频段系数-a11,-a12,b11,b12,-a21,-a22,b21,b22....
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int *high_SOSMatrix;//高频段系数
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int *band_SOSMatrix;//中频段系数
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int *tempbuf;
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int pool[0];
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} crossOver;
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typedef struct _CrossOverParam {
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int way_num; //段数 2或者3
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int N; //阶数 2或者4
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int low_freq; //低频分频点
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int high_freq; //高频分频点 当way_num = 3时才会使用
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int SampleRate; //采样率
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int channel; //通道数
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int IndataInc; //输入数据相同通道下一点的步进，例如左右左右排列时 为2
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int OutdataInc; //输出数据相同通道下一点的步进，例如左右左右排列时 为2
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} CrossOverParam;
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int get_crossOver_buf(CrossOverParam *param); //buf 大小与通道数(channel) 阶数(N) 段数(way_num)有关
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int get_crossOver_tempbuf();
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void crossOver_init(void *workBuf, void *tempbuf, CrossOverParam *param);
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void crossOver_update(void *workBuf, void *tempbuf, CrossOverParam *param);
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int crossOver_run(void *work_buf, int *in, int *low_out, int *mid_out, int *high_out, int npoint_per_channel);
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int crossoverCoff_init(void *workbuf, int low_fc, int high_fc, int sampleRate, int N, int way_num);
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int crossoverCoff_run(void *workbuf);
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#endif // !CROSSOVER_H
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