source: src/io/sink_wavwrite.c @ e4c6c76

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/timestretchfix/ffmpeg5
Last change on this file since e4c6c76 was e4c6c76, checked in by Paul Brossier <piem@piem.org>, 5 years ago

[io] validate input in sink_wavwrite_do

  • Property mode set to 100644
File size: 8.3 KB
RevLine 
[52ca8a3]1/*
2  Copyright (C) 2014 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
[33d0242]22#include "aubio_priv.h"
[52ca8a3]23
24#ifdef HAVE_WAVWRITE
25
26#include "fvec.h"
[870ad70]27#include "fmat.h"
28#include "io/sink_wavwrite.h"
[cf19b8a]29#include "io/ioutils.h"
[52ca8a3]30
31#include <errno.h>
32
33#define MAX_SIZE 4096
34
35#define FLOAT_TO_SHORT(x) (short)(x * 32768)
36
37// swap endian of a short
38#define SWAPS(x) ((x & 0xff) << 8) | ((x & 0xff00) >> 8)
39
40// swap host to little endian
41#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
42#define HTOLES(x) SWAPS(x)
43#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
44#define HTOLES(x) x
45#else
[fdeba11]46#ifdef HAVE_WIN_HACKS
47#define HTOLES(x) x
48#else
[52ca8a3]49#define HTOLES(x) SWAPS(htons(x))
50#endif
[fdeba11]51#endif
[52ca8a3]52
[870ad70]53uint_t aubio_sink_wavwrite_open(aubio_sink_wavwrite_t *s);
54
[52ca8a3]55struct _aubio_sink_wavwrite_t {
56  char_t *path;
57  uint_t samplerate;
58  uint_t channels;
59  uint_t bitspersample;
60  uint_t total_frames_written;
61
62  FILE *fid;
63
64  uint_t max_size;
65
66  uint_t scratch_size;
67  unsigned short *scratch_data;
68};
69
[80d0083]70static unsigned char *write_little_endian (unsigned int s, unsigned char *str,
71    unsigned int length);
72
73static unsigned char *write_little_endian (unsigned int s, unsigned char *str,
74    unsigned int length)
75{
[52ca8a3]76  uint_t i;
77  for (i = 0; i < length; i++) {
78    str[i] = s >> (i * 8);
79  }
80  return str;
81}
82
[ae5d58a]83aubio_sink_wavwrite_t * new_aubio_sink_wavwrite(const char_t * path, uint_t samplerate) {
[52ca8a3]84  aubio_sink_wavwrite_t * s = AUBIO_NEW(aubio_sink_wavwrite_t);
85
86  if (path == NULL) {
87    AUBIO_ERR("sink_wavwrite: Aborted opening null path\n");
88    goto beach;
89  }
90  if ((sint_t)samplerate < 0) {
91    AUBIO_ERR("sink_wavwrite: Can not create %s with samplerate %d\n", path, samplerate);
92    goto beach;
93  }
94
[b643a33]95  if (s->path) AUBIO_FREE(s->path);
[d2be104]96  s->path = AUBIO_ARRAY(char_t, strnlen(path, PATH_MAX) + 1);
97  strncpy(s->path, path, strnlen(path, PATH_MAX) + 1);
[b643a33]98
[52ca8a3]99  s->max_size = MAX_SIZE;
100  s->bitspersample = 16;
101  s->total_frames_written = 0;
102
[870ad70]103  s->samplerate = 0;
104  s->channels = 0;
105
106  // zero samplerate given. do not open yet
[cf19b8a]107  if ((sint_t)samplerate == 0) {
108    return s;
109  }
110  // invalid samplerate given, abort
111  if (aubio_io_validate_samplerate("sink_wavwrite", s->path, samplerate)) {
112    goto beach;
113  }
[870ad70]114
115  s->samplerate = samplerate;
116  s->channels = 1;
117
118  if (aubio_sink_wavwrite_open(s) != AUBIO_OK) {
119    // open failed, abort
120    goto beach;
121  }
122
123  return s;
124beach:
125  //AUBIO_ERR("sink_wavwrite: failed creating %s with samplerate %dHz\n",
126  //    s->path, s->samplerate);
127  del_aubio_sink_wavwrite(s);
128  return NULL;
129}
130
131uint_t aubio_sink_wavwrite_preset_samplerate(aubio_sink_wavwrite_t *s, uint_t samplerate)
132{
[cf19b8a]133  if (aubio_io_validate_samplerate("sink_wavwrite", s->path, samplerate)) {
134    return AUBIO_FAIL;
135  }
[870ad70]136  s->samplerate = samplerate;
137  // automatically open when both samplerate and channels have been set
138  if (s->samplerate != 0 && s->channels != 0) {
139    return aubio_sink_wavwrite_open(s);
140  }
141  return AUBIO_OK;
142}
143
144uint_t aubio_sink_wavwrite_preset_channels(aubio_sink_wavwrite_t *s, uint_t channels)
145{
[cf19b8a]146  if (aubio_io_validate_channels("sink_wavwrite", s->path, channels)) {
147    return AUBIO_FAIL;
148  }
[870ad70]149  s->channels = channels;
150  // automatically open when both samplerate and channels have been set
151  if (s->samplerate != 0 && s->channels != 0) {
152    return aubio_sink_wavwrite_open(s);
153  }
154  return AUBIO_OK;
155}
156
[ae5d58a]157uint_t aubio_sink_wavwrite_get_samplerate(const aubio_sink_wavwrite_t *s)
[870ad70]158{
159  return s->samplerate;
160}
161
[ae5d58a]162uint_t aubio_sink_wavwrite_get_channels(const aubio_sink_wavwrite_t *s)
[870ad70]163{
164  return s->channels;
165}
166
167uint_t aubio_sink_wavwrite_open(aubio_sink_wavwrite_t *s) {
168  unsigned char buf[5];
169  uint_t byterate, blockalign;
170
171  /* open output file */
172  s->fid = fopen((const char *)s->path, "wb");
[52ca8a3]173  if (!s->fid) {
174    AUBIO_ERR("sink_wavwrite: could not open %s (%s)\n", s->path, strerror(errno));
175    goto beach;
176  }
177
178  // ChunkID
179  fwrite("RIFF", 4, 1, s->fid);
180
181  // ChunkSize (0 for now, actual size will be written in _close)
182  fwrite(write_little_endian(0, buf, 4), 4, 1, s->fid);
183
184  // Format
185  fwrite("WAVE", 4, 1, s->fid);
186
187  // Subchunk1ID
188  fwrite("fmt ", 4, 1, s->fid);
189
190  // Subchunk1Size
191  fwrite(write_little_endian(16, buf, 4), 4, 1, s->fid);
192
193  // AudioFormat
194  fwrite(write_little_endian(1, buf, 2), 2, 1, s->fid);
195
196  // NumChannels
197  fwrite(write_little_endian(s->channels, buf, 2), 2, 1, s->fid);
198
199  // SampleRate
200  fwrite(write_little_endian(s->samplerate, buf, 4), 4, 1, s->fid);
201
202  // ByteRate
203  byterate = s->samplerate * s->channels * s->bitspersample / 8;
204  fwrite(write_little_endian(byterate, buf, 4), 4, 1, s->fid);
205
206  // BlockAlign
207  blockalign = s->channels * s->bitspersample / 8;
208  fwrite(write_little_endian(blockalign, buf, 2), 2, 1, s->fid);
209
210  // BitsPerSample
211  fwrite(write_little_endian(s->bitspersample, buf, 2), 2, 1, s->fid);
212
213  // Subchunk2ID
214  fwrite("data", 4, 1, s->fid);
215
216  // Subchunk1Size (0 for now, actual size will be written in _close)
217  fwrite(write_little_endian(0, buf, 4), 4, 1, s->fid);
218
219  s->scratch_size = s->max_size * s->channels;
220  /* allocate data for de/interleaving reallocated when needed. */
[a028a04]221  if (s->scratch_size >= MAX_SIZE * AUBIO_MAX_CHANNELS) {
[870ad70]222    AUBIO_ERR("sink_wavwrite: %d x %d exceeds SIZE maximum buffer size %d\n",
[a028a04]223        s->max_size, s->channels, MAX_SIZE * AUBIO_MAX_CHANNELS);
[870ad70]224    goto beach;
[52ca8a3]225  }
226  s->scratch_data = AUBIO_ARRAY(unsigned short,s->scratch_size);
227
[870ad70]228  return AUBIO_OK;
[52ca8a3]229
230beach:
[870ad70]231  return AUBIO_FAIL;
[52ca8a3]232}
233
234
235void aubio_sink_wavwrite_do(aubio_sink_wavwrite_t *s, fvec_t * write_data, uint_t write){
[a97eb17]236  uint_t c = 0, i = 0, written_frames = 0;
[e4c6c76]237  uint_t length = aubio_sink_validate_input_length("sink_wavwrite", s->path,
238      s->max_size, write_data->length, write);
[52ca8a3]239
[a97eb17]240  for (c = 0; c < s->channels; c++) {
[e4c6c76]241    for (i = 0; i < length; i++) {
[a97eb17]242      s->scratch_data[i * s->channels + c] = HTOLES(FLOAT_TO_SHORT(write_data->data[i]));
243    }
[52ca8a3]244  }
[e4c6c76]245  written_frames = fwrite(s->scratch_data, 2, length * s->channels, s->fid);
[52ca8a3]246
247  if (written_frames != write) {
248    AUBIO_WRN("sink_wavwrite: trying to write %d frames to %s, "
249        "but only %d could be written\n", write, s->path, written_frames);
250  }
251  s->total_frames_written += written_frames;
252  return;
253}
254
[870ad70]255void aubio_sink_wavwrite_do_multi(aubio_sink_wavwrite_t *s, fmat_t * write_data, uint_t write){
256  uint_t c = 0, i = 0, written_frames = 0;
257
[e4c6c76]258  uint_t channels = aubio_sink_validate_input_channels("sink_wavwrite", s->path,
259      s->channels, write_data->height);
260  uint_t length = aubio_sink_validate_input_length("sink_wavwrite", s->path,
261      s->max_size, write_data->length, write);
[870ad70]262
[e4c6c76]263  for (c = 0; c < channels; c++) {
264    for (i = 0; i < length; i++) {
[870ad70]265      s->scratch_data[i * s->channels + c] = HTOLES(FLOAT_TO_SHORT(write_data->data[c][i]));
266    }
267  }
[e4c6c76]268  written_frames = fwrite(s->scratch_data, 2, length * s->channels, s->fid);
[870ad70]269
270  if (written_frames != write * s->channels) {
271    AUBIO_WRN("sink_wavwrite: trying to write %d frames to %s, "
272        "but only %d could be written\n", write, s->path, written_frames / s->channels);
273  }
274  s->total_frames_written += written_frames;
275  return;
276}
277
[a9fd272]278uint_t aubio_sink_wavwrite_close(aubio_sink_wavwrite_t * s) {
[52ca8a3]279  uint_t data_size = s->total_frames_written * s->bitspersample * s->channels / 8;
280  unsigned char buf[5];
[a9fd272]281  if (!s->fid) return AUBIO_FAIL;
[52ca8a3]282  // ChunkSize
283  fseek(s->fid, 4, SEEK_SET);
284  fwrite(write_little_endian(data_size + 36, buf, 4), 4, 1, s->fid);
285  // Subchunk2Size
286  fseek(s->fid, 40, SEEK_SET);
287  fwrite(write_little_endian(data_size, buf, 4), 4, 1, s->fid);
288  // close file
289  if (fclose(s->fid)) {
290    AUBIO_ERR("sink_wavwrite: Error closing file %s (%s)\n", s->path, strerror(errno));
291  }
292  s->fid = NULL;
[a9fd272]293  return AUBIO_OK;
[52ca8a3]294}
295
296void del_aubio_sink_wavwrite(aubio_sink_wavwrite_t * s){
297  if (!s) return;
298  aubio_sink_wavwrite_close(s);
[b643a33]299  if (s->path) AUBIO_FREE(s->path);
[52ca8a3]300  AUBIO_FREE(s->scratch_data);
301  AUBIO_FREE(s);
302}
303
304#endif /* HAVE_WAVWRITE */
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