static int lua_init(lua_State *L){
    int argc = lua_gettop(L);
    #ifndef SKIP_ERROR_HANDLING
    if (argc != 0) return luaL_error(L, "wrong number of arguments.");
    if (isPlayerReady) return 0;
    #endif

    isPlayerReady = true;
    int res = sceSysmoduleLoadModule(SCE_SYSMODULE_AVPLAYER);
    if (res < 0){
        char err[256];
        sprintf(err, "Error: 0x%X", res);
        return luaL_error(L, err);
    }

    SceAvPlayerInitData init;
    memset(&init, 0, 0x44);

    init.memoryReplacement.objectPointer = NULL;
    init.memoryReplacement.allocate = memalign_cb;
    init.memoryReplacement.deallocate = free_cb;
    init.memoryReplacement.allocateTexture = gpu_alloc_cb;
    init.memoryReplacement.deallocateTexture = gpu_free_cb;

    init.fileReplacement.objectPointer = NULL;
    init.fileReplacement.open = open_cb;
    init.fileReplacement.close = close_cb;
    init.fileReplacement.readOffset = pread_cb;
    init.fileReplacement.size = size_cb;

    init.eventReplacement.objectPointer = NULL;
    init.eventReplacement.eventCallback = eventCallback;

    *(uint32_t*)&init.unk[4] = 0xA0;
    *(uint32_t*)&init.unk[8] = 0x03;
    init.unk[12] = 0;

    if (!sceSysmoduleIsLoaded(SCE_SYSMODULE_AVPLAYER)) return luaL_error(L, "AVPLAYER not loaded");

    player = sceAvPlayerInit(&init);

    return 0;
}