1 /*****************************************************************************
2 * ac3_imdct.h : AC3 IMDCT types
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: ac3_imdct.h,v 1.9 2002/07/20 18:01:41 sam Exp $
7 * Authors: Michel Kaempf <maxx@via.ecp.fr>
8 * Renaud Dartus <reno@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
36 void * buf_orig; /* pointer before memalign */
38 /* Delay buffer for time domain interleaving */
40 void * delay_orig; /* pointer before memalign */
42 void * delay1_orig; /* pointer before memalign */
44 /* Twiddle factors for IMDCT */
46 void * xcos1_orig; /* pointer before memalign */
48 void * xsin1_orig; /* pointer before memalign */
50 void * xcos2_orig; /* pointer before memalign */
52 void * xsin2_orig; /* pointer before memalign */
54 void * xcos_sin_sse_orig; /* pointer before memalign */
56 /* Twiddle factor LUT */
58 void * w_2_orig; /* pointer before memalign */
60 void * w_4_orig; /* pointer before memalign */
62 void * w_8_orig; /* pointer before memalign */
64 void * w_16_orig; /* pointer before memalign */
66 void * w_32_orig; /* pointer before memalign */
68 void * w_64_orig; /* pointer before memalign */
70 void * w_1_orig; /* pointer before memalign */
72 /* Module used and shortcuts */
74 void (*pf_imdct_init) ( imdct_t * );
75 //void (*pf_fft_64p) (complex_t *a);
76 void (*pf_imdct_256) ( imdct_t *, float [], float [] );
77 void (*pf_imdct_256_nol) ( imdct_t *, float [], float [] );
78 void (*pf_imdct_512) ( imdct_t *, float [], float [] );
79 void (*pf_imdct_512_nol) ( imdct_t *, float [], float [] );