Russian Qt Forum

шапка:
static void CALLBACK ProcessBuffer(const void *buffer, DWORD length, void *user);
код:
void  Player::ProcessBuffer(const void *buffer,DWORD length,void *user)
{
    emit SetSongName(time_info);

}
vold Player::Play()
{
    chan = BASS_StreamCreateURL(url,0,BASS_STREAM_BLOCK|BASS_STREAM_STATUS|BASS_STREAM_AUTOFREE,ProcessBuffer,this);
 
}

ошибка: cannot call member function 'void Player::SetSongName(QString)' without object
     emit SetSongName(time_info);

    Player* pthis = (Player*)user;
    pthis->SetTimeInfo(time_info);