xref: /third_party/lame/mpglib/interface.h (revision 159b3361)
1/*
2 * Copyright (C) 1999-2010 The L.A.M.E. project
3 *
4 * Initially written by Michael Hipp, see also AUTHORS and README.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22#ifndef INTERFACE_H_INCLUDED
23#define INTERFACE_H_INCLUDED
24
25#ifdef __cplusplus
26extern  "C" {
27#endif
28
29#include "common.h"
30
31    int     InitMP3(PMPSTR mp);
32    int     decodeMP3(PMPSTR mp, unsigned char *inmemory, int inmemsize, char *outmemory,
33                      int outmemsize, int *done);
34    void    ExitMP3(PMPSTR mp);
35
36/* added decodeMP3_unclipped to support returning raw floating-point values of samples. The representation
37   of the floating-point numbers is defined in mpg123.h as #define real. It is 64-bit double by default.
38   No more than 1152 samples per channel are allowed. */
39    int     decodeMP3_unclipped(PMPSTR mp, unsigned char *inmemory, int inmemsize, char *outmemory,
40                                int outmemsize, int *done);
41
42/* added remove_buf to support mpglib seeking */
43    void    remove_buf(PMPSTR mp);
44
45/* added audiodata_precedesframes to return the number of bitstream frames the audio data will precede the
46   current frame by for Layer 3 data. Aids seeking.
47 */
48    int     audiodata_precedesframes(PMPSTR mp);
49
50/* Resets decoding. Aids seeking. */
51    void    decode_reset(PMPSTR mp);
52
53#ifdef __cplusplus
54}
55#endif
56#endif
57