source: examples/sndfileio.h @ fff7b92

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since fff7b92 was fff7b92, checked in by Paul Brossier <piem@piem.org>, 8 years ago

examples/sndfileio.h: add read_mono

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File size: 2.0 KB
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1/*
2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10
11  aubio 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
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
18
19*/
20
21#ifndef SNDFILEIO_H
22#define SNDFILEIO_H
23
24/** @file
25 * sndfile functions
26 */
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32/**
33 * sndfile object
34 */
35typedef struct _aubio_sndfile_t aubio_sndfile_t;
36/**
37 * Open a sound file for reading
38 */
39aubio_sndfile_t * new_aubio_sndfile_ro (const char * inputfile);
40/**
41 * Copy file model from previously opened sound file.
42 */
43aubio_sndfile_t * new_aubio_sndfile_wo(aubio_sndfile_t * existingfile, const char * outputname);
44/**
45 * Open a sound file for writing
46 */
47int aubio_sndfile_open_wo (aubio_sndfile_t * file, const char * outputname);
48/**
49 * Read frames data from file into an array of buffers
50 */
51int aubio_sndfile_read(aubio_sndfile_t * file, int frames, fvec_t ** read);
52/**
53 * Read frames data from file into a single buffer
54 */
55int aubio_sndfile_read_mono (aubio_sndfile_t * f, int frames, fvec_t * read);
56/**
57 * Write data of length frames to file
58 */
59int aubio_sndfile_write(aubio_sndfile_t * file, int frames, fvec_t ** write);
60/**
61 * Close file and delete file object
62 */
63int del_aubio_sndfile(aubio_sndfile_t * file);
64/**
65 * Return some files facts
66 */
67void aubio_sndfile_info(aubio_sndfile_t * file);
68/**
69 * Return number of channel in file
70 */
71uint_t aubio_sndfile_channels(aubio_sndfile_t * file);
72uint_t aubio_sndfile_samplerate(aubio_sndfile_t * file);
73
74#ifdef __cplusplus
75}
76#endif
77
78#endif
79
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