Set the meta of the media (this function will not save the meta, call
    L{libvlc_media_save_meta} in order to save the meta).
    @param p_md: the media descriptor.
    @param e_meta: the meta to write.
    @param psz_value: the media's meta.

def libvlc_media_set_meta(p_md, e_meta, psz_value):
    '''Set the meta of the media (this function will not save the meta, call
    L{libvlc_media_save_meta} in order to save the meta).
    @param p_md: the media descriptor.
    @param e_meta: the meta to write.
    @param psz_value: the media's meta.
    '''
    f = _Cfunctions.get('libvlc_media_set_meta', None) or \
        _Cfunction('libvlc_media_set_meta', ((1,), (1,), (1,),), None,
                    None, Media, Meta, ctypes.c_char_p)
    return f(p_md, e_meta, psz_value)