'Set a media\'s input MRL. This will delete all existing inputs and
add the specified one.
@param psz_name: the media to work on.
@param psz_input: the input MRL.
@return: 0 on success, -1 on error.'

def vlm_set_input(self, psz_name, psz_input):

    return libvlc_vlm_set_input(self, str_to_bytes(psz_name), str_to_bytes(psz_input))
