60    int frame_size;  member
81 EXPORT SpeexDecorrState *speex_decorrelate_new(int rate, int channels, int frame_size)  in speex_decorrelate_new()  argument
87    st->frame_size = frame_size;  in speex_decorrelate_new()
89    st->psy = vorbis_psy_init(rate, 2*frame_size);  in speex_decorrelate_new()
90    spx_drft_init(&st->lookup, 2*frame_size);  in speex_decorrelate_new()
91    st->wola_mem = speex_alloc(frame_size*sizeof(float));  in speex_decorrelate_new()
92    st->curve = speex_alloc(frame_size*sizeof(float));  in speex_decorrelate_new()
94    st->y = speex_alloc(frame_size*sizeof(float));  in speex_decorrelate_new()
96    st->buff = speex_alloc(channels*2*frame_size*sizeof(float));  in speex_decorrelate_new()
103    st->vorbis_win = speex_alloc((2*frame_size+20)*sizeof(float));  in speex_decorrelate_new()
104    for (i=0;i<2*frame_size;i++)  in speex_decorrelate_new()
105       st->vorbis_win[i] = sin(.5*M_PI* sin(M_PI*i/(2*frame_size))*sin(M_PI*i/(2*frame_size)) );  in speex_decorrelate_new()
151       int N=2*st->frame_size;  in speex_decorrelate()
162       buff = st->buff+ch*2*st->frame_size;  in speex_decorrelate()
168       for (i=0;i<st->frame_size;i++)  in speex_decorrelate()
169          buff[i] = buff[i+st->frame_size];  in speex_decorrelate()
170       for (i=0;i<st->frame_size;i++)  in speex_decorrelate()
171          buff[i+st->frame_size] = in[i*st->channels+ch];  in speex_decorrelate()
173       x = buff+st->frame_size;  in speex_decorrelate()
183       for (i=0;i<st->frame_size;i++)  in speex_decorrelate()
185 …*(x[i-ALLPASS_ORDER+order]-beta*x[i-ALLPASS_ORDER+order-1])*st->vorbis_win[st->frame_size+i+order]   in speex_decorrelate()
186                + x[i-ALLPASS_ORDER]*st->vorbis_win[st->frame_size+i]   in speex_decorrelate()
190          st->y[i] *= st->vorbis_win[st->frame_size+i];  in speex_decorrelate()
212       for (i=0;i<st->frame_size;i++)  in speex_decorrelate()
228       for (i=0;i<2*st->frame_size;i++)  in speex_decorrelate()
233       for (i=1;i<st->frame_size;i++)  in speex_decorrelate()
246       frame[2*st->frame_size-1] = coef*uni_rand(&st->seed)*sqrt(.1+st->curve[st->frame_size-1]);  in speex_decorrelate()
248       for (i=0;i<2*st->frame_size;i++)  in speex_decorrelate()
252       for (i=0;i<st->frame_size;i++)  in speex_decorrelate()
256          st->wola_mem[i] = frame[i+st->frame_size];  in speex_decorrelate()