Lines Matching defs:mdct
151 if(sbr->mdct.mdct_bits)
158 * mdct scale factors are adjusted to scale up from +/-1.0 at analysis
160 ff_mdct_init(&sbr->mdct, 7, 1, 1.0 / (64 * 32768.0));
169 ff_mdct_end(&sbr->mdct);
1187 static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
1199 mdct->imdct_half(mdct, z, z+64);
1211 static void sbr_qmf_synthesis(FFTContext *mdct,
1235 mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
1239 mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
1240 mdct->imdct_half(mdct, mdct_buf[1], X[1][i]);
1748 sbr_qmf_synthesis(&sbr->mdct, &sbr->dsp, &ac->fdsp,
1754 sbr_qmf_synthesis(&sbr->mdct, &sbr->dsp, &ac->fdsp,