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1/*
2 * mad - MPEG audio decoder
3 * Copyright (C) 2000-2001 Robert Leslie
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 * $Id$
20 */
21
22# ifndef LIBMAD_SYNTH_H
23# define LIBMAD_SYNTH_H
24
25# include "fixed.h"
26# include "frame.h"
27
28struct mad_synth {
29 mad_fixed_t filter[2][2][2][16][8];/* polyphase filterbank outputs */
30 /* [ch][eo][peo][s][v] */
31
32 unsigned int phase; /* current processing phase */
33
34 struct mad_pcm {
35 unsigned int samplerate; /* sampling frequency (Hz) */
36 unsigned short channels; /* number of channels */
37 unsigned short length; /* number of samples per channel */
38 mad_fixed_t samples[2][1152];/* PCM output samples */
39 } pcm;
40};
41
42void mad_synth_init(struct mad_synth *);
43
44# define mad_synth_finish(synth) /* nothing */
45
46void mad_synth_mute(struct mad_synth *);
47
48void mad_synth_frame(struct mad_synth *, struct mad_frame const *);
49
50# endif