source: src/io/sink_sndfile.c @ 491e6ea

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 491e6ea was 491e6ea, checked in by Paul Brossier <piem@piem.org>, 10 years ago

src/io/: add missing error strings prefixes

  • Property mode set to 100644
File size: 3.6 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
22#include "config.h"
23
24#ifdef HAVE_SNDFILE
25
26#include <sndfile.h>
27
28#include "aubio_priv.h"
29#include "sink_sndfile.h"
30#include "fvec.h"
31
32#define MAX_CHANNELS 6
33#define MAX_SIZE 4096
34
35struct _aubio_sink_sndfile_t {
36  uint_t samplerate;
37  uint_t channels;
38  char_t *path;
39
40  uint_t max_size;
41
42  SNDFILE *handle;
43  uint_t scratch_size;
44  smpl_t *scratch_data;
45};
46
47aubio_sink_sndfile_t * new_aubio_sink_sndfile(char_t * path, uint_t samplerate) {
48  aubio_sink_sndfile_t * s = AUBIO_NEW(aubio_sink_sndfile_t);
49  SF_INFO sfinfo;
50
51  if (path == NULL) {
52    AUBIO_ERR("sink_sndfile: Aborted opening null path\n");
53    return NULL;
54  }
55
56  s->samplerate = samplerate;
57  s->max_size = MAX_SIZE;
58  s->channels = 1;
59  s->path = path;
60
61  /* set output format */
62  AUBIO_MEMSET(&sfinfo, 0, sizeof (sfinfo));
63  sfinfo.samplerate = s->samplerate;
64  sfinfo.channels   = s->channels;
65  sfinfo.format     = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
66
67  /* try creating the file */
68  s->handle = sf_open (s->path, SFM_WRITE, &sfinfo);
69
70  if (s->handle == NULL) {
71    /* show libsndfile err msg */
72    AUBIO_ERR("sink_sndfile: Failed opening %s. %s\n", s->path, sf_strerror (NULL));
73    AUBIO_FREE(s);
74    return NULL;
75  }     
76
77  s->scratch_size = s->max_size*s->channels;
78  /* allocate data for de/interleaving reallocated when needed. */
79  if (s->scratch_size >= MAX_SIZE * MAX_CHANNELS) {
80    AUBIO_ERR("sink_sndfile: %d x %d exceeds maximum aubio_sink_sndfile buffer size %d\n",
81        s->max_size, s->channels, MAX_CHANNELS * MAX_CHANNELS);
82    AUBIO_FREE(s);
83    return NULL;
84  }
85  s->scratch_data = AUBIO_ARRAY(float,s->scratch_size);
86
87  return s;
88}
89
90void aubio_sink_sndfile_do(aubio_sink_sndfile_t *s, fvec_t * write_data, uint_t write){
91  uint_t i, j,  channels = s->channels;
92  int nsamples = channels*write;
93  smpl_t *pwrite;
94  sf_count_t written_frames;
95
96  if (write > s->max_size) {
97    AUBIO_WRN("trying to write %d frames, but only %d can be written at a time",
98      write, s->max_size);
99    write = s->max_size;
100  }
101
102  /* interleaving data  */
103  for ( i = 0; i < channels; i++) {
104    pwrite = (smpl_t *)write_data->data;
105    for (j = 0; j < write; j++) {
106      s->scratch_data[channels*j+i] = pwrite[j];
107    }
108  }
109
110  written_frames = sf_write_float (s->handle, s->scratch_data, nsamples);
111  if (written_frames/channels != write) {
112    AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written",
113      write, s->path, (uint_t)written_frames);
114  }
115  return;
116}
117
118uint_t aubio_sink_sndfile_close (aubio_sink_sndfile_t *s) {
119  if (!s->handle) {
120    return AUBIO_FAIL;
121  }
122  if (sf_close(s->handle)) {
123    AUBIO_ERR("sink_sndfile: Error closing file %s: %s", s->path, sf_strerror (NULL));
124    return AUBIO_FAIL;
125  }
126  s->handle = NULL;
127  return AUBIO_OK;
128}
129
130void del_aubio_sink_sndfile(aubio_sink_sndfile_t * s){
131  if (!s) return;
132  aubio_sink_sndfile_close(s);
133  AUBIO_FREE(s->scratch_data);
134  AUBIO_FREE(s);
135}
136
137#endif /* HAVE_SNDFILE */
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