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"
36 #if !HAVE_AUBIO_DOUBLE
37 #define aubio_sf_write_smpl sf_write_float
38 #else /* HAVE_AUBIO_DOUBLE */
39 #define aubio_sf_write_smpl sf_write_double
40 #endif /* HAVE_AUBIO_DOUBLE */
42 struct _aubio_sink_sndfile_t {
54 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s);
56 aubio_sink_sndfile_t * new_aubio_sink_sndfile(const char_t * path, uint_t samplerate) {
57 aubio_sink_sndfile_t * s = AUBIO_NEW(aubio_sink_sndfile_t);
58 s->max_size = MAX_SIZE;
61 AUBIO_ERR("sink_sndfile: Aborted opening null path\n");
65 if (s->path) AUBIO_FREE(s->path);
66 s->path = AUBIO_ARRAY(char_t, strnlen(path, PATH_MAX) + 1);
67 strncpy(s->path, path, strnlen(path, PATH_MAX) + 1);
72 // zero samplerate given. do not open yet
73 if ((sint_t)samplerate == 0) {
76 // invalid samplerate given, abort
77 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
81 s->samplerate = samplerate;
84 if (aubio_sink_sndfile_open(s) != AUBIO_OK) {;
90 del_aubio_sink_sndfile(s);
94 uint_t aubio_sink_sndfile_preset_samplerate(aubio_sink_sndfile_t *s, uint_t samplerate)
96 if (aubio_io_validate_samplerate("sink_sndfile", s->path, samplerate)) {
99 s->samplerate = samplerate;
100 // automatically open when both samplerate and channels have been set
101 if (s->samplerate != 0 && s->channels != 0) {
102 return aubio_sink_sndfile_open(s);
107 uint_t aubio_sink_sndfile_preset_channels(aubio_sink_sndfile_t *s, uint_t channels)
109 if (aubio_io_validate_channels("sink_sndfile", s->path, channels)) {
112 s->channels = channels;
113 // automatically open when both samplerate and channels have been set
114 if (s->samplerate != 0 && s->channels != 0) {
115 return aubio_sink_sndfile_open(s);
120 uint_t aubio_sink_sndfile_get_samplerate(const aubio_sink_sndfile_t *s)
122 return s->samplerate;
125 uint_t aubio_sink_sndfile_get_channels(const aubio_sink_sndfile_t *s)
130 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s) {
131 /* set output format */
133 AUBIO_MEMSET(&sfinfo, 0, sizeof (sfinfo));
134 sfinfo.samplerate = s->samplerate;
135 sfinfo.channels = s->channels;
136 sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
138 /* try creating the file */
139 s->handle = sf_open (s->path, SFM_WRITE, &sfinfo);
141 if (s->handle == NULL) {
142 /* show libsndfile err msg */
143 AUBIO_ERR("sink_sndfile: Failed opening \"%s\" with %d channels, %dHz: %s\n",
144 s->path, s->channels, s->samplerate, 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 * AUBIO_MAX_CHANNELS) {
152 AUBIO_ERR("sink_sndfile: %d x %d exceeds maximum aubio_sink_sndfile buffer size %d\n",
153 s->max_size, s->channels, MAX_SIZE * AUBIO_MAX_CHANNELS);
156 s->scratch_data = AUBIO_ARRAY(smpl_t,s->scratch_size);
161 void aubio_sink_sndfile_do(aubio_sink_sndfile_t *s, fvec_t * write_data, uint_t write){
162 uint_t i, j, channels = s->channels;
165 sf_count_t written_frames;
167 if (write > s->max_size) {
168 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
173 nsamples = channels * write;
175 /* interleaving data */
176 for ( i = 0; i < channels; i++) {
177 pwrite = (smpl_t *)write_data->data;
178 for (j = 0; j < write; j++) {
179 s->scratch_data[channels*j+i] = pwrite[j];
183 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
184 if (written_frames/channels != write) {
185 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
186 write, s->path, (uint_t)written_frames);
191 void aubio_sink_sndfile_do_multi(aubio_sink_sndfile_t *s, fmat_t * write_data, uint_t write){
192 uint_t i, j, channels = s->channels;
195 sf_count_t written_frames;
197 if (write > s->max_size) {
198 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
203 nsamples = channels * write;
205 /* interleaving data */
206 for ( i = 0; i < write_data->height; i++) {
207 pwrite = (smpl_t *)write_data->data[i];
208 for (j = 0; j < write; j++) {
209 s->scratch_data[channels*j+i] = pwrite[j];
213 written_frames = aubio_sf_write_smpl (s->handle, s->scratch_data, nsamples);
214 if (written_frames/channels != write) {
215 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
216 write, s->path, (uint_t)written_frames);
221 uint_t aubio_sink_sndfile_close (aubio_sink_sndfile_t *s) {
225 if (sf_close(s->handle)) {
226 AUBIO_ERR("sink_sndfile: Error closing file %s: %s", s->path, sf_strerror (NULL));
233 void del_aubio_sink_sndfile(aubio_sink_sndfile_t * s){
235 if (s->path) AUBIO_FREE(s->path);
236 aubio_sink_sndfile_close(s);
237 AUBIO_FREE(s->scratch_data);
241 #endif /* HAVE_SNDFILE */