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"
33 #define MAX_CHANNELS 6
36 struct _aubio_sink_sndfile_t {
48 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s);
50 aubio_sink_sndfile_t * new_aubio_sink_sndfile(char_t * path, uint_t samplerate) {
51 aubio_sink_sndfile_t * s = AUBIO_NEW(aubio_sink_sndfile_t);
52 s->max_size = MAX_SIZE;
56 AUBIO_ERR("sink_sndfile: Aborted opening null path\n");
63 // negative samplerate given, abort
64 if ((sint_t)samplerate < 0) goto beach;
65 // zero samplerate given. do not open yet
66 if ((sint_t)samplerate == 0) return s;
68 s->samplerate = samplerate;
71 if (aubio_sink_sndfile_open(s) != AUBIO_OK) {;
77 del_aubio_sink_sndfile(s);
81 uint_t aubio_sink_sndfile_preset_samplerate(aubio_sink_sndfile_t *s, uint_t samplerate)
83 if ((sint_t)(samplerate) <= 0) return AUBIO_FAIL;
84 s->samplerate = samplerate;
85 // automatically open when both samplerate and channels have been set
86 if (s->samplerate != 0 && s->channels != 0) {
87 return aubio_sink_sndfile_open(s);
92 uint_t aubio_sink_sndfile_preset_channels(aubio_sink_sndfile_t *s, uint_t channels)
94 if ((sint_t)(channels) <= 0) return AUBIO_FAIL;
95 s->channels = channels;
96 // automatically open when both samplerate and channels have been set
97 if (s->samplerate != 0 && s->channels != 0) {
98 return aubio_sink_sndfile_open(s);
103 uint_t aubio_sink_sndfile_get_samplerate(aubio_sink_sndfile_t *s)
105 return s->samplerate;
108 uint_t aubio_sink_sndfile_get_channels(aubio_sink_sndfile_t *s)
113 uint_t aubio_sink_sndfile_open(aubio_sink_sndfile_t *s) {
114 /* set output format */
116 AUBIO_MEMSET(&sfinfo, 0, sizeof (sfinfo));
117 sfinfo.samplerate = s->samplerate;
118 sfinfo.channels = s->channels;
119 sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
121 /* try creating the file */
122 s->handle = sf_open (s->path, SFM_WRITE, &sfinfo);
124 if (s->handle == NULL) {
125 /* show libsndfile err msg */
126 AUBIO_ERR("sink_sndfile: Failed opening %s. %s\n", s->path, sf_strerror (NULL));
130 s->scratch_size = s->max_size*s->channels;
131 /* allocate data for de/interleaving reallocated when needed. */
132 if (s->scratch_size >= MAX_SIZE * MAX_CHANNELS) {
133 AUBIO_ERR("sink_sndfile: %d x %d exceeds maximum aubio_sink_sndfile buffer size %d\n",
134 s->max_size, s->channels, MAX_CHANNELS * MAX_CHANNELS);
137 s->scratch_data = AUBIO_ARRAY(float,s->scratch_size);
142 void aubio_sink_sndfile_do(aubio_sink_sndfile_t *s, fvec_t * write_data, uint_t write){
143 uint_t i, j, channels = s->channels;
146 sf_count_t written_frames;
148 if (write > s->max_size) {
149 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
154 nsamples = channels * write;
156 /* interleaving data */
157 for ( i = 0; i < channels; i++) {
158 pwrite = (smpl_t *)write_data->data;
159 for (j = 0; j < write; j++) {
160 s->scratch_data[channels*j+i] = pwrite[j];
164 written_frames = sf_write_float (s->handle, s->scratch_data, nsamples);
165 if (written_frames/channels != write) {
166 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
167 write, s->path, (uint_t)written_frames);
172 void aubio_sink_sndfile_do_multi(aubio_sink_sndfile_t *s, fmat_t * write_data, uint_t write){
173 uint_t i, j, channels = s->channels;
176 sf_count_t written_frames;
178 if (write > s->max_size) {
179 AUBIO_WRN("sink_sndfile: trying to write %d frames, but only %d can be written at a time\n",
184 nsamples = channels * write;
186 /* interleaving data */
187 for ( i = 0; i < write_data->height; i++) {
188 pwrite = (smpl_t *)write_data->data[i];
189 for (j = 0; j < write; j++) {
190 s->scratch_data[channels*j+i] = pwrite[j];
194 written_frames = sf_write_float (s->handle, s->scratch_data, nsamples);
195 if (written_frames/channels != write) {
196 AUBIO_WRN("sink_sndfile: trying to write %d frames to %s, but only %d could be written\n",
197 write, s->path, (uint_t)written_frames);
202 uint_t aubio_sink_sndfile_close (aubio_sink_sndfile_t *s) {
206 if (sf_close(s->handle)) {
207 AUBIO_ERR("sink_sndfile: Error closing file %s: %s", s->path, sf_strerror (NULL));
214 void del_aubio_sink_sndfile(aubio_sink_sndfile_t * s){
216 aubio_sink_sndfile_close(s);
217 AUBIO_FREE(s->scratch_data);
221 #endif /* HAVE_SNDFILE */