#ifdef __cplusplus
extern "C"{
#endif

#include "../cffmpeg.h"
#include <string.h>

#ifdef __cplusplus
}
#endif

#ifndef LIB_CFFMPEG
#include "csrc/all.hpp"
#endif
#include "csrc/wrapper.hpp"

using namespace cffmpeg_wrap;

cffmpeg c_ffmpeg_create(){
    return new Wrapper;
}

void c_ffmpeg_destroy(const cffmpeg h){
    Wrapper *s = (Wrapper*)h;
    delete s;
}

void c_ffmpeg_run(const cffmpeg h, const char *input){
    Wrapper *s = (Wrapper*)h;
    s->RunStream(input);
}

void c_ffmpeg_scale(const cffmpeg h, const int wid, const int hei, const int flags){
    Wrapper *s = (Wrapper*)h;
    s->ScalePicture(wid, hei, flags);
}

void c_ffmpeg_run_gb28181(const cffmpeg h){
    Wrapper *s = (Wrapper*)h;
    s->UseGB28181();
}

void c_ffmepg_use_cpu(const cffmpeg h){
    Wrapper *s = (Wrapper*)h;
    s->UseCPU();
}


//////passive api
void c_ffmpeg_build_recorder(const cffmpeg h, const char* id, const char *dir, int mind, int maxd){
    Wrapper *s = (Wrapper*)h;
    s->BuildRecorder(id, dir, mind, maxd);
}

void c_ffmpeg_fire_recorder(const cffmpeg h, const char* sid, const int64_t id){
    Wrapper *s = (Wrapper*)h;
    s->FireRecorder(sid, id);
}

char* c_ffmpeg_get_info_recorder(const cffmpeg h, char **sid, int *index, int *length){
    Wrapper *s = (Wrapper*)h;
    int i;
    std::string p;
    std::string id;
    s->GetInfoRecorder(id, i, p);

    // printf("cffmpeg get info : index : %d, file : %s\n", i, p.c_str());

    *index = i;
    *length = p.length();
    char *path = (char*)malloc(*length + 1);
    memcpy(path, p.c_str(), *length);
    path[*length] = '\0';

    *sid = (char*)malloc(id.length()+1);
    memcpy(*sid, id.c_str(), id.length());
    *sid[id.length()] = '\0';
    
    return path;
}

void c_ffmpeg_build_decoder(const cffmpeg h){
    Wrapper *s = (Wrapper*)h;
    s->BuildDecoder();
}

void* c_ffmpeg_get_pic_decoder(const cffmpeg h, int *wid, int *hei){
    Wrapper *s = (Wrapper*)h;
    unsigned char *data = NULL;
    s->GetPicDecoder(&data, wid, hei);
    return data;
}

void* c_ffmpeg_get_avpacket(const cffmpeg h, int *size, int *key){
    Wrapper *s = (Wrapper*)h;
    unsigned char *data = NULL;
    s->GetPacket(&data, size, key);
    return data;
}
/////////////////////active api
void c_ffmpeg_active_recorder(const cffmpeg h, const char *dir, int mind, int maxd, 
                                    rec_func fn){
    Wrapper *s = (Wrapper*)h;

    s->ActiveRecorder(dir, mind, maxd,[fn](std::string &p, int &i){
        fn((char*)p.c_str(), i);
    });
}

void c_ffmpeg_active_decoder(const cffmpeg h, dec_func fn){
    Wrapper *s = (Wrapper*)h;
    s->ActiveDecoder([fn](void* d, int wid, int hei){
        fn(d, wid, hei);
    });
}


/////////////////////test
void* c_ffmpeg_decode_jpeg(const cffmpeg h, const char *file, int *wid, int *hei){
    Wrapper *s = (Wrapper*)h;
    uint8_t *p = s->decodeJPEG(file, wid, hei);
    if(!p){
        *wid = *hei = 0;
    }
    return p;
}

// pic encoder
void *c_ffmpeg_create_encoder(const int w, const int h, const int fps, const int br, const int scale_flag, const int gi){
    return CreateEncoder(w, h, fps, br, scale_flag, gi);
}

void c_ffmpeg_destroy_encoder(void *h){
    DestroyEncoder(h);
}

int c_ffmpeg_encode(void *hdl, uint8_t *in, const int w, const int h, uint8_t **out, int *size, int *key){
    return Encode(hdl, in, w, h, out, size, key);
}