#include <apr_sdk.h>
#include <apr_sdk_def.h>
#include <tdmin_interface.h>
#include <dlfcn.h>
#include <mic-asp.h>

static PCMContainer_t g_pcmParam;
static apr_aiwrap_t* g_aprHandle;
static void* g_libInterface;

#define MAX_BUF_TIME 128000
#define NUM_CHANNELS 8
#define SAMPLE_RATE  16000

#define DECL_API_PROC(name)	static Proc_##name _##name = NULL;
#define LOAD_API_PROC(name)	_##name = (Proc_##name)dlsym(g_aprHandle, #name);

API_LIST_SDK(DECL_API_PROC);


void mic_asp_uninit() {
    if(g_aprHandle) {
        _apr_aiwrap_stop(g_aprHandle);
        _apr_aiwrap_destory(g_aprHandle);
        dlclose(g_libInterface);
    }    

    alsa_tdmin_uninit(&g_pcmParam);
}


int mic_asp_init(MicDataCallback cb) {
    int err;

    g_libInterface = dlopen("/usr/lib64/libaiwrap_6mic_c500.so", RTLD_LAZY);

    if(NULL == g_libInterface) {
        return -1;
    }

    g_aprHandle = (apr_aiwrap_t*)g_libInterface;

    API_LIST_SDK(LOAD_API_PROC);

    err = alsa_tdmin_init(&g_pcmParam, SAMPLE_RATE, NUM_CHANNELS, MAX_BUF_TIME);
    if (err != 0) {        
        return -2;
    }

    err = _apr_aiwrap_create(&g_aprHandle, "/data/res/conf_6mic_c500_nr_release.ini", "/data/res/auth.param");

    if (err != 0) {        
        return -3;
    }

    err = _apr_aiwrap_cb_set(g_aprHandle, "presswk", (void*)cb, 0);
    if(err !=0){        
        return -4;
    }

    return 0;
}

int mic_asp_start() {
    return _apr_aiwrap_start(g_aprHandle);
}

int mic_asp_stop() {
    return _apr_aiwrap_stop(g_aprHandle);
}