mdct_end(&s->mdct_ctx[i]);
ff_mdct_end(&s->mdct_ctx[i]);
static int wma_decode_end(AVCodecContext *avctx){    WMADecodeContext *s = avctx->priv_data;    int i;    for(i = 0; i < s->nb_block_sizes; i++)        mdct_end(&s->mdct_ctx[i]);    for(i = 0; i < s->nb_block_sizes; i++)        av_free(s->windows[i]);    if (s->use_exp_vlc) {        free_vlc(&s->exp_vlc);    }    if (s->use_noise_coding) {        free_vlc(&s->hgain_vlc);    }    for(i = 0;i < 2; i++) {        free_vlc(&s->coef_vlc[i]);        av_free(s->run_table[i]);        av_free(s->level_table[i]);    }        return 0;}