huxi
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
#ifndef SPECTRUMSHOW_API_H
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#define SPECTRUMSHOW_API_H
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#include "effects/AudioEffect_DataType.h"
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#ifdef WIN32
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#define AT_SPECTRUMSHOW(x)
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#define AT_SPECTRUMSHOW_CODE
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#define AT_SPECTRUMSHOW_CONST
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#define AT_SPECTRUMSHOW_SPARSE_CODE
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#define AT_SPECTRUMSHOW_SPARSE_CONST
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#else
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#define AT_SPECTRUMSHOW(x) __attribute__((section(#x)))
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#define AT_SPECTRUMSHOW_CODE AT_SPECTRUMSHOW(.specshow.text.cache.L1)
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#define AT_SPECTRUMSHOW_CONST AT_SPECTRUMSHOW(.specshow.text.cache.L2.const)
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#define AT_SPECTRUMSHOW_SPARSE_CODE AT_SPECTRUMSHOW(.specshow.text)
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#define AT_SPECTRUMSHOW_SPARSE_CONST AT_SPECTRUMSHOW(.specshow.text.const)
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#endif
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typedef struct _SpectrumShowParam {
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float attackFactor;//下降因子[0,1)
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float releaseFactor;//上升因子[0,1) */
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int SampleRate;
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int channel;
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int mode;//模式，双声道起作用，0 计算的是第一声道的频谱值，//1计算的是第二声道频谱值，2为第一声道与第二声道相加除2的频谱值
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af_DataType pcm_info;
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} SpectrumShowParam;
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int getSpectrumShowBuf();
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int SpectrumShowInit(void *workBuf, SpectrumShowParam *param);
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int SpectrumShowRun(void *workBuf, short *in, int len);
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int getSpectrumNum(void *workBuf);
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float *getCentreFreq(void *workBuf);
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short *getSpectrumValue(void *workBuf);
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#endif // !SPECTRUMSHOW_API_H
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