source: src/io/source.c @ eb99982

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since eb99982 was 1b0755d, checked in by Paul Brossier <piem@piem.org>, 6 years ago

src/io/source.c: rewrite to use any or all of avcodec, apple_audio, or sndfile

  • Property mode set to 100644
File size: 4.4 KB
Line 
1/*
2  Copyright (C) 2012 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#include "config.h"
22#include "aubio_priv.h"
23#include "fvec.h"
24#include "fmat.h"
25#include "io/source.h"
26#ifdef HAVE_AVCODEC
27#include "io/source_avcodec.h"
28#endif /* HAVE_AVCODEC */
29#ifdef __APPLE__
30#include "io/source_apple_audio.h"
31#endif /* __APPLE__ */
32#ifdef HAVE_SNDFILE
33#include "io/source_sndfile.h"
34#endif /* HAVE_SNDFILE */
35
36typedef void (*aubio_source_do_t)(aubio_source_t * s, fvec_t * data, uint_t * read);
37typedef void (*aubio_source_do_multi_t)(aubio_source_t * s, fmat_t * data, uint_t * read);
38typedef uint_t (*aubio_source_get_samplerate_t)(aubio_source_t * s);
39typedef uint_t (*aubio_source_get_channels_t)(aubio_source_t * s);
40typedef uint_t (*aubio_source_seek_t)(aubio_source_t * s, uint_t seek);
41typedef uint_t (*del_aubio_source_t)(aubio_source_t * s);
42
43struct _aubio_source_t { 
44  void *source;
45  aubio_source_do_t s_do;
46  aubio_source_do_multi_t s_do_multi;
47  aubio_source_get_samplerate_t s_get_samplerate;
48  aubio_source_get_channels_t s_get_channels;
49  aubio_source_seek_t s_seek;
50  del_aubio_source_t s_del;
51};
52
53aubio_source_t * new_aubio_source(char_t * uri, uint_t samplerate, uint_t hop_size) {
54  aubio_source_t * s = AUBIO_NEW(aubio_source_t);
55#if HAVE_AVCODEC
56  s->source = (void *)new_aubio_source_avcodec(uri, samplerate, hop_size);
57  if (s->source) {
58    s->s_do = (aubio_source_do_t)(aubio_source_avcodec_do);
59    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_avcodec_do_multi);
60    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_avcodec_get_channels);
61    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_avcodec_get_samplerate);
62    s->s_seek = (aubio_source_seek_t)(aubio_source_avcodec_seek);
63    s->s_del = (del_aubio_source_t)(del_aubio_source_avcodec);
64    return s;
65  }
66#endif /* HAVE_AVCODEC */
67#ifdef __APPLE__
68  s->source = (void *)new_aubio_source_apple_audio(uri, samplerate, hop_size);
69  if (s->source) {
70    s->s_do = (aubio_source_do_t)(aubio_source_apple_audio_do);
71    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_apple_audio_do_multi);
72    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_apple_audio_get_channels);
73    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_apple_audio_get_samplerate);
74    s->s_seek = (aubio_source_seek_t)(aubio_source_apple_audio_seek);
75    s->s_del = (del_aubio_source_t)(del_aubio_source_apple_audio);
76    return s;
77  }
78#endif /* __APPLE__ */
79#if HAVE_SNDFILE
80  s->source = (void *)new_aubio_source_sndfile(uri, samplerate, hop_size);
81  if (s->source) {
82    s->s_do = (aubio_source_do_t)(aubio_source_sndfile_do);
83    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_sndfile_do_multi);
84    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_sndfile_get_channels);
85    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_sndfile_get_samplerate);
86    s->s_seek = (aubio_source_seek_t)(aubio_source_sndfile_seek);
87    s->s_del = (del_aubio_source_t)(del_aubio_source_sndfile);
88    return s;
89  }
90#endif /* HAVE_SNDFILE */
91  AUBIO_ERROR("failed creating aubio source with %s\n", uri);
92  AUBIO_FREE(s);
93  return NULL;
94}
95
96void aubio_source_do(aubio_source_t * s, fvec_t * data, uint_t * read) {
97  s->s_do((void *)s->source, data, read);
98}
99
100void aubio_source_do_multi(aubio_source_t * s, fmat_t * data, uint_t * read) {
101  s->s_do_multi((void *)s->source, data, read);
102}
103
104void del_aubio_source(aubio_source_t * s) {
105  if (!s) return;
106  s->s_del((void *)s->source);
107  AUBIO_FREE(s);
108}
109
110uint_t aubio_source_get_samplerate(aubio_source_t * s) {
111  return s->s_get_samplerate((void *)s->source);
112}
113
114uint_t aubio_source_get_channels(aubio_source_t * s) {
115  return s->s_get_channels((void *)s->source);
116}
117
118uint_t aubio_source_seek (aubio_source_t * s, uint_t seek ) {
119  return s->s_seek((void *)s->source, seek);
120}
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