93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
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#ifndef pitchshifer_api_h__
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#define pitchshifer_api_h__
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#ifndef u8
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#define u8 unsigned char
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#endif
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#ifndef u16
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#define u16 unsigned short
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#endif
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#ifndef s16
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#define s16 short
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#endif
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#ifndef u32
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#define u32 unsigned int
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#endif
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#ifndef s32
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#define s32 int
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#endif
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#ifndef s16
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#define s16 signed short
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#endif
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/*#define EFFECT_OLD_RECORD 0x01
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#define EFFECT_MOYIN 0x0*/
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//#define EFFECT_ROBORT_FLAG 0X04
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enum {
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EFFECT_PITCH_SHIFT = 0x00,
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EFFECT_VOICECHANGE_KIN0,
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EFFECT_VOICECHANGE_KIN1,
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EFFECT_VOICECHANGE_KIN2,
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EFFECT_ROBORT,
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EFFECT_AUTOTUNE = 0xfe,
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EFFECT_FUNC_NULL = 0xff,
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};
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typedef struct PITCH_SHIFT_PARM_ {
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u32 sr; //input audio samplerate
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u32 shiftv; //pitch rate: <100(pitch up), >100(pitch down)
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u32 effect_v;
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u32 formant_shift;
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} PITCH_SHIFT_PARM;
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/******
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效果配置说明:
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1.EFFECT_PITCH_SHIFT 移频,变调不变速,init_parm.shiftv调节有效,init_parm.formant_shift调节无效
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2.EFFECT_VOICECHANGE_KIN0 变声,可以调节不同的 init_parm.shiftv 跟 init_parm.formant_shift ,调出更多的声音效果
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3.EFFECT_VOICECHANGE_KIN1 变声,同EFFECT_VOICECHANGE_KIN0类似的,但是2者由于运算的不同,会有区别。
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4.EFFECT_ROBORT 机器音效果,类似 喜马拉雅那样的
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5.EFFECT_AUTOTUNE 电音效果
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*******/
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typedef struct _PITCHSHIFTER_DSP_RUNFUNP_ {
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int *buf;
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int *inlen;
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} PITCHSHIFTER_RUNFUNP;
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#define C_MAJOR 8192 //c大调
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#define Cshop_MAJOR 8875//升c大调
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#define D_MAJOR 9557
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#define Dshop_MAJOR 10240
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#define E_MAJOR 10923
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#define F_MAJOR 11605
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#define Fshop_MAJOR 12288
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#define G_MAJOR 12971
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#define Gshop_MAJOR 13653
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#define A_MAJOR 14336
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#define Ashop_MAJOR 15019
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#define B_MAJOR 15701
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typedef struct _PITCHSHIFT_FUNC_API_ {
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u32(*need_buf)(void *ptr, PITCH_SHIFT_PARM *pitchshift_obj);
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void (*open)(void *ptr, PITCH_SHIFT_PARM *pitchshift_obj); //中途改变参数,可以调init
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void (*run)(void *ptr, short *indata, short *outdata, int len); //len是多少个byte
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void (*init)(void *ptr, PITCH_SHIFT_PARM *pitchshift_obj); //中途改变参数,可以调init
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} PITCHSHIFT_FUNC_API;
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extern PITCHSHIFT_FUNC_API *get_pitchshift_func_api();
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#endif // reverb_api_h__
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