#ifndef ps_cal_api_h__
#define ps_cal_api_h__

#include "AudioEffect_DataType.h"

#ifndef u8
#define u8  unsigned char
#endif

#ifndef u16
#define u16 unsigned short
#endif

#ifndef s16
#define s16 short
#endif


#ifndef u32
#define u32 unsigned int
#endif

#ifndef s16
#define s16 signed short
#endif


enum {
    PS69_SPEED_UP = 1,
    PS69_SPEED_DOWN = 2
};



typedef struct _PS69_CONTEXT_CONF_ {
    u16 speedV;
    u16 pitchV;
    af_DataType dataTypeobj;
} PS69_CONTEXT_CONF;

typedef struct _PS69_API_CONTEXT_ {
    u32(*need_size)(PS69_CONTEXT_CONF *conf_obj);
    u32(*open)(u8 *ptr, u32 chn, u32 sr, PS69_CONTEXT_CONF *conf_obj);
    u32(*dconfig)(u8 *ptr, PS69_CONTEXT_CONF *conf_obj);
    u32(*run)(u8 *ptr, s16 *inbuf, s16 *outdata, u32 len);   // len is how many bytes
} PS69_API_CONTEXT;

#define  ABS_LEN_FLAG       0x100

extern PS69_API_CONTEXT *get_ps_cal_api();

#endif // syn_ps_api_h__


#if 0

{
    PS69_API_CONTEXT *testops = get_ps_cal_api();
    PS69_CONTEXT_CONF test_config_obj;

    test_config_obj.pitchV = 32768;
    test_config_obj.sr = 44100;
    test_config_obj.chn = 2;
    test_config_obj.speedV = 80;

    bufsize = syn_ops->need_size();
    ptr = malloc(bufsize);
    testops->open(ptr, &testIO);
    testops->dconfig(ptr, &test_config_obj);

    while (1) {
        if (feof(fp1)) {
            break;
        }
        fread(test_buf, 1, TEST_LEN, fp1);
        testops->run(ptr, test_buf, TEST_LEN, out_buf);  //返回的是输出了多少个byte，放在out_buf里面。注意变速输出可能比输入多的，跟变速参数相关
    }

    free(ptr);
}

#endif