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/>.
22 #include "aubio_priv.h"
30 #include "io/sink_sndfile.h"
31 #include "io/ioutils.h"
35 #if !HAVE_AUBIO_DOUBLE
36 #define aubio_sf_write_smpl sf_write_float
37 #else /* HAVE_AUBIO_DOUBLE */
38 #define aubio_sf_write_smpl sf_write_double
39 #endif /* HAVE_AUBIO_DOUBLE */
41 struct _aubio_sink_sndfile_t {
53 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s);
55 aubio_sink_sndfile_t * new_aubio_sink_sndfile(const char_t * path, uint_t samplerate) {
56 aubio_sink_sndfile_t * s = AUBIO_NEW(aubio_sink_sndfile_t);
57 s->max_size = MAX_SIZE;
60 AUBIO_ERR("sink_sndfile: Aborted opening null path\n");
64 s->path = AUBIO_ARRAY(char_t, strnlen(path, PATH_MAX) + 1);
65 strncpy(s->path, path, strnlen(path, PATH_MAX) + 1);
70 // zero samplerate given. do not open yet
71 if ((sint_t)samplerate == 0) {
74 // invalid samplerate given, abort
75 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
79 s->samplerate = samplerate;
82 if (aubio_sink_sndfile_open(s) != AUBIO_OK) {;
88 del_aubio_sink_sndfile(s);
92 uint_t aubio_sink_sndfile_preset_samplerate(aubio_sink_sndfile_t *s, uint_t samplerate)
94 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
97 s->samplerate = samplerate;
98 // automatically open when both samplerate and channels have been set
99 if (/* s->samplerate != 0 && */ s->channels != 0) {
100 return aubio_sink_sndfile_open(s);
105 uint_t aubio_sink_sndfile_preset_channels(aubio_sink_sndfile_t *s, uint_t channels)
107 if (aubio_io_validate_channels("sink_sndfile", s->path, channels)) {
110 s->channels = channels;
111 // automatically open when both samplerate and channels have been set
112 if (s->samplerate != 0 /* && s->channels != 0 */) {
113 return aubio_sink_sndfile_open(s);
118 uint_t aubio_sink_sndfile_get_samplerate(const aubio_sink_sndfile_t *s)
120 return s->samplerate;
123 uint_t aubio_sink_sndfile_get_channels(const aubio_sink_sndfile_t *s)
128 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s) {
129 /* set output format */
131 AUBIO_MEMSET(&sfinfo, 0, sizeof (sfinfo));
132 sfinfo.samplerate = s->samplerate;
133 sfinfo.channels = s->channels;
134 sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
136 /* try creating the file */
137 s->handle = sf_open (s->path, SFM_WRITE, &sfinfo);
139 if (s->handle == NULL) {
140 /* show libsndfile err msg */
141 AUBIO_ERR("sink_sndfile: Failed opening \"%s\" with %d channels, %dHz: %s\n",
142 s->path, s->channels, s->samplerate, sf_strerror (NULL));
146 s->scratch_size = s->max_size*s->channels;
147 /* allocate data for de/interleaving reallocated when needed. */
148 if (s->scratch_size >= MAX_SIZE * AUBIO_MAX_CHANNELS) {
149 AUBIO_ERR("sink_sndfile: %d x %d exceeds maximum buffer size %d\n",
150 s->max_size, s->channels, MAX_SIZE * AUBIO_MAX_CHANNELS);
153 s->scratch_data = AUBIO_ARRAY(smpl_t,s->scratch_size);
158 void aubio_sink_sndfile_do(aubio_sink_sndfile_t *s, fvec_t * write_data, uint_t write){
160 sf_count_t written_frames;
161 uint_t channels = s->channels;
162 uint_t length = aubio_sink_validate_input_length("sink_sndfile", s->path,
163 s->max_size, write_data->length, write);
164 int nsamples = channels * length;
166 /* interleaving data */
167 for ( i = 0; i < channels; i++) {
168 for (j = 0; j < length; j++) {
169 s->scratch_data[channels*j+i] = write_data->data[j];
173 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
174 if (written_frames/channels != write) {
175 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
176 write, s->path, (uint_t)written_frames);
181 void aubio_sink_sndfile_do_multi(aubio_sink_sndfile_t *s, fmat_t * write_data, uint_t write){
183 sf_count_t written_frames;
184 uint_t channels = aubio_sink_validate_input_channels("sink_sndfile", s->path,
185 s->channels, write_data->height);
186 uint_t length = aubio_sink_validate_input_length("sink_sndfile", s->path,
187 s->max_size, write_data->length, write);
188 int nsamples = channels * length;
190 /* interleaving data */
191 for ( i = 0; i < channels; i++) {
192 for (j = 0; j < length; j++) {
193 s->scratch_data[channels*j+i] = write_data->data[i][j];
197 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
198 if (written_frames/channels != write) {
199 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
200 write, s->path, (uint_t)written_frames);
205 uint_t aubio_sink_sndfile_close (aubio_sink_sndfile_t *s) {
209 if (sf_close(s->handle)) {
210 AUBIO_ERR("sink_sndfile: Error closing file %s: %s", s->path, sf_strerror (NULL));
217 void del_aubio_sink_sndfile(aubio_sink_sndfile_t * s){
220 aubio_sink_sndfile_close(s);
224 AUBIO_FREE(s->scratch_data);
228 #endif /* HAVE_SNDFILE */