#include <iostream>
// #pragma comment(lib, "ws2_32.lib")
// #pragma comment(lib, "winmm.lib")
// #pragma comment(lib, "strmiids")
// #pragma comment(lib, "mfplat")
// #pragma comment(lib, "mfuuid")
// #pragma comment(lib, "Ws2_32")
// #pragma comment(lib, "Secur32")
// #pragma comment(lib, "Bcrypt")

#ifdef __cplusplus
extern "C"
{
#endif
#include <libavformat/avformat.h>
#ifdef __cplusplus
}
#endif

int main(int, char **)
{
    AVFormatContext *ifmt_ctx = nullptr;
    if (avformat_open_input(&ifmt_ctx, "http://vjs.zencdn.net/v/oceans.mp4", nullptr, nullptr) < 0)
        printf("avformat_open_input failed\n");
    printf("nb_stream=%d\n", ifmt_ctx->nb_streams);

    std::cout << "Hello, from ffmpeg!\n";
}