2 * libmad - MPEG audio decoder library
3 * Copyright (C) 2000-2004 Underbit Technologies, Inc.
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.
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.
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
19 * $Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp $
22 # ifndef LIBMAD_DECODER_H
23 # define LIBMAD_DECODER_H
29 enum mad_decoder_mode {
30 MAD_DECODER_MODE_SYNC = 0,
31 MAD_DECODER_MODE_ASYNC
35 MAD_FLOW_CONTINUE = 0x0000, /* continue normally */
36 MAD_FLOW_STOP = 0x0010, /* stop decoding normally */
37 MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */
38 MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */
42 enum mad_decoder_mode mode;
53 struct mad_stream stream;
54 struct mad_frame frame;
55 struct mad_synth synth;
60 enum mad_flow (*input_func)(void *, struct mad_stream *);
61 enum mad_flow (*header_func)(void *, struct mad_header const *);
62 enum mad_flow (*filter_func)(void *,
63 struct mad_stream const *, struct mad_frame *);
64 enum mad_flow (*output_func)(void *,
65 struct mad_header const *, struct mad_pcm *);
66 enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
67 enum mad_flow (*message_func)(void *, void *, unsigned int *);
70 void mad_decoder_init(struct mad_decoder *, void *,
71 enum mad_flow (*)(void *, struct mad_stream *),
72 enum mad_flow (*)(void *, struct mad_header const *),
73 enum mad_flow (*)(void *,
74 struct mad_stream const *,
76 enum mad_flow (*)(void *,
77 struct mad_header const *,
79 enum mad_flow (*)(void *,
82 enum mad_flow (*)(void *, void *, unsigned int *));
83 int mad_decoder_finish(struct mad_decoder *);
85 # define mad_decoder_options(decoder, opts) \
86 ((void) ((decoder)->options = (opts)))
88 int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
89 int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);