/* * WMA compatible decoder * Copyright (c) 2002 The FFmpeg Project. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ //#include "types.h" #include "fft.h" typedef struct MDCTContext { int n; /* size of MDCT (i.e. number of input data * 2) */ int nbits; /* n = 2^nbits */ /* pre/post rotation tables */ FFTContext fft; } MDCTContext; int ff_mdct_init(MDCTContext *s, int nbits, int inverse); void ff_imdct_calc(MDCTContext *s, fixed32 *output, fixed32 *input); int mdct_init_global(void);