2 Copyright (C) 2012-2014 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
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.
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.
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/>.
28 #include "aubio_priv.h"
31 #include "io/sink_sndfile.h"
32 #include "io/ioutils.h"
34 #define MAX_CHANNELS 6
37 #if !HAVE_AUBIO_DOUBLE
38 #define aubio_sf_write_smpl sf_write_float
39 #else /* HAVE_AUBIO_DOUBLE */
40 #define aubio_sf_write_smpl sf_write_double
41 #endif /* HAVE_AUBIO_DOUBLE */
43 struct _aubio_sink_sndfile_t {
55 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s);
57 aubio_sink_sndfile_t * new_aubio_sink_sndfile(const char_t * path, uint_t samplerate) {
58 aubio_sink_sndfile_t * s = AUBIO_NEW(aubio_sink_sndfile_t);
59 s->max_size = MAX_SIZE;
62 AUBIO_ERR("sink_sndfile: Aborted opening null path\n");
66 if (s->path) AUBIO_FREE(s->path);
67 s->path = AUBIO_ARRAY(char_t, strnlen(path, PATH_MAX) + 1);
68 strncpy(s->path, path, strnlen(path, PATH_MAX) + 1);
73 // zero samplerate given. do not open yet
74 if ((sint_t)samplerate == 0) {
77 // invalid samplerate given, abort
78 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
82 s->samplerate = samplerate;
85 if (aubio_sink_sndfile_open(s) != AUBIO_OK) {;
91 del_aubio_sink_sndfile(s);
95 uint_t aubio_sink_sndfile_preset_samplerate(aubio_sink_sndfile_t *s, uint_t samplerate)
97 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
100 s->samplerate = samplerate;
101 // automatically open when both samplerate and channels have been set
102 if (s->samplerate != 0 && s->channels != 0) {
103 return aubio_sink_sndfile_open(s);
108 uint_t aubio_sink_sndfile_preset_channels(aubio_sink_sndfile_t *s, uint_t channels)
110 if (aubio_io_validate_channels("sink_sndfile", s->path, channels)) {
113 s->channels = channels;
114 // automatically open when both samplerate and channels have been set
115 if (s->samplerate != 0 && s->channels != 0) {
116 return aubio_sink_sndfile_open(s);
121 uint_t aubio_sink_sndfile_get_samplerate(const aubio_sink_sndfile_t *s)
123 return s->samplerate;
126 uint_t aubio_sink_sndfile_get_channels(const aubio_sink_sndfile_t *s)
131 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s) {
132 /* set output format */
134 AUBIO_MEMSET(&sfinfo, 0, sizeof (sfinfo));
135 sfinfo.samplerate = s->samplerate;
136 sfinfo.channels = s->channels;
137 sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
139 /* try creating the file */
140 s->handle = sf_open (s->path, SFM_WRITE, &sfinfo);
142 if (s->handle == NULL) {
143 /* show libsndfile err msg */
144 AUBIO_ERR("sink_sndfile: Failed opening %s. %s\n", s->path, sf_strerror (NULL));
148 s->scratch_size = s->max_size*s->channels;
149 /* allocate data for de/interleaving reallocated when needed. */
150 if (s->scratch_size >= MAX_SIZE * MAX_CHANNELS) {
151 AUBIO_ERR("sink_sndfile: %d x %d exceeds maximum aubio_sink_sndfile buffer size %d\n",
152 s->max_size, s->channels, MAX_CHANNELS * MAX_CHANNELS);
155 s->scratch_data = AUBIO_ARRAY(smpl_t,s->scratch_size);
160 void aubio_sink_sndfile_do(aubio_sink_sndfile_t *s, fvec_t * write_data, uint_t write){
161 uint_t i, j, channels = s->channels;
164 sf_count_t written_frames;
166 if (write > s->max_size) {
167 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
172 nsamples = channels * write;
174 /* interleaving data */
175 for ( i = 0; i < channels; i++) {
176 pwrite = (smpl_t *)write_data->data;
177 for (j = 0; j < write; j++) {
178 s->scratch_data[channels*j+i] = pwrite[j];
182 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
183 if (written_frames/channels != write) {
184 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
185 write, s->path, (uint_t)written_frames);
190 void aubio_sink_sndfile_do_multi(aubio_sink_sndfile_t *s, fmat_t * write_data, uint_t write){
191 uint_t i, j, channels = s->channels;
194 sf_count_t written_frames;
196 if (write > s->max_size) {
197 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
202 nsamples = channels * write;
204 /* interleaving data */
205 for ( i = 0; i < write_data->height; i++) {
206 pwrite = (smpl_t *)write_data->data[i];
207 for (j = 0; j < write; j++) {
208 s->scratch_data[channels*j+i] = pwrite[j];
212 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
213 if (written_frames/channels != write) {
214 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
215 write, s->path, (uint_t)written_frames);
220 uint_t aubio_sink_sndfile_close (aubio_sink_sndfile_t *s) {
224 if (sf_close(s->handle)) {
225 AUBIO_ERR("sink_sndfile: Error closing file %s: %s", s->path, sf_strerror (NULL));
232 void del_aubio_sink_sndfile(aubio_sink_sndfile_t * s){
234 if (s->path) AUBIO_FREE(s->path);
235 aubio_sink_sndfile_close(s);
236 AUBIO_FREE(s->scratch_data);
240 #endif /* HAVE_SNDFILE */