lame foobar2000 remote controller.

fctrl.c

#include "stdio.h"
#include "windows.h"

void sendContrlKey(int vKeyCode) {
    INPUT inputs[4];
    ZeroMemory(inputs, sizeof(inputs));
    
    inputs[0].type = INPUT_KEYBOARD;
    inputs[0].ki.wVk = VK_CONTROL;
    
    inputs[1].type = INPUT_KEYBOARD;
    inputs[1].ki.wVk = vKeyCode;
    
    inputs[2].type = INPUT_KEYBOARD;
    inputs[2].ki.wVk = VK_CONTROL;
    inputs[2].ki.dwFlags = KEYEVENTF_KEYUP;
    
    inputs[3].type = INPUT_KEYBOARD;
    inputs[3].ki.wVk = vKeyCode;
    inputs[3].ki.dwFlags = KEYEVENTF_KEYUP;
    
    SendInput(4, inputs, sizeof(INPUT));
}

void sendSingleKey(int vKeyCode) {
    INPUT inputs[2];
    ZeroMemory(inputs, sizeof(inputs));
    
    inputs[0].type = INPUT_KEYBOARD;
    inputs[0].ki.wVk = vKeyCode;
    
    inputs[1].type = INPUT_KEYBOARD;
    inputs[1].ki.wVk = vKeyCode;
    inputs[1].ki.dwFlags = KEYEVENTF_KEYUP;
    
    SendInput(2, inputs, sizeof(INPUT));
}

void printSong() {
    char title[512];
    HWND playerWindow;
    
    playerWindow = FindWindow("{97E27FAA-C0B3-4b8e-A693-ED7881E99FC1}", 0);
    GetWindowText(playerWindow, title, 512);
    
    printf("%s\n", title);
}

void playSong() {
    sendSingleKey(VK_MEDIA_PLAY_PAUSE);
    Sleep(500);
    printSong();
}

void nextSong() {
    sendSingleKey(VK_MEDIA_NEXT_TRACK);
    Sleep(500);
    printSong();
}

void prevSong() {
    sendSingleKey(VK_MEDIA_PREV_TRACK);
    Sleep(500);
    printSong();
}

int main(int argc, char * argv[]) {
    if (argc > 1) {
        if (strcmp("play", argv[1]) == 0) {
            playSong();
        }
        else if (strcmp("next", argv[1]) == 0) {
            nextSong();
        }
        else if (strcmp("prev", argv[1]) == 0) {
            prevSong();
        }
    }
    return 0;
}