source: src/io/sink_apple_audio.c @ 9657163

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 9657163 was 9657163, checked in by Paul Brossier <piem@piem.org>, 10 years ago

src/io/sink_apple_audio.c: avoid opening null path

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File size: 8.0 KB
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1/*
2  Copyright (C) 2012-2014 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#include "config.h"
22
23#ifdef HAVE_SINK_APPLE_AUDIO
24
25#include "aubio_priv.h"
26#include "fvec.h"
27#include "fmat.h"
28#include "io/sink_apple_audio.h"
29
30// CFURLRef, CFURLCreateWithFileSystemPath, ...
31#include <CoreFoundation/CoreFoundation.h>
32// ExtAudioFileRef, AudioStreamBasicDescription, AudioBufferList, ...
33#include <AudioToolbox/AudioToolbox.h>
34
35#define FLOAT_TO_SHORT(x) (short)(x * 32768)
36
37extern int createAubioBufferList(AudioBufferList *bufferList, int channels, int segmentSize);
38extern void freeAudioBufferList(AudioBufferList *bufferList);
39extern CFURLRef getURLFromPath(const char * path);
40char_t *getPrintableOSStatusError(char_t *str, OSStatus error);
41
42uint_t aubio_sink_apple_audio_open(aubio_sink_apple_audio_t *s);
43
44#define MAX_SIZE 4096 // the maximum number of frames that can be written at a time
45
46struct _aubio_sink_apple_audio_t {
47  uint_t samplerate;
48  uint_t channels;
49  char_t *path;
50
51  uint_t max_frames;
52
53  AudioBufferList bufferList;
54  ExtAudioFileRef audioFile;
55  bool async;
56};
57
58aubio_sink_apple_audio_t * new_aubio_sink_apple_audio(char_t * uri, uint_t samplerate) {
59  aubio_sink_apple_audio_t * s = AUBIO_NEW(aubio_sink_apple_audio_t);
60  s->path = uri;
61  s->max_frames = MAX_SIZE;
62  s->async = true;
63
64  if (uri == NULL) {
65    AUBIO_ERROR("sink_apple_audio: Aborted opening null path\n");
66    goto beach;
67  }
68
69  s->samplerate = 0;
70  s->channels = 0;
71
72  // negative samplerate given, abort
73  if ((sint_t)samplerate < 0) goto beach;
74  // zero samplerate given. do not open yet
75  if ((sint_t)samplerate == 0) return s;
76
77  s->samplerate = samplerate;
78  s->channels = 1;
79
80  if (aubio_sink_apple_audio_open(s) != AUBIO_OK) {
81    // open failed, abort
82    goto beach;
83  }
84
85  return s;
86beach:
87  AUBIO_FREE(s);
88  return NULL;
89}
90
91uint_t aubio_sink_apple_audio_preset_samplerate(aubio_sink_apple_audio_t *s, uint_t samplerate)
92{
93  if ((sint_t)(samplerate) <= 0) return AUBIO_FAIL;
94  s->samplerate = samplerate;
95  // automatically open when both samplerate and channels have been set
96  if (s->samplerate != 0 && s->channels != 0) {
97    return aubio_sink_apple_audio_open(s);
98  }
99  return AUBIO_OK;
100}
101
102uint_t aubio_sink_apple_audio_preset_channels(aubio_sink_apple_audio_t *s, uint_t channels)
103{
104  if ((sint_t)(channels) <= 0) return AUBIO_FAIL;
105  s->channels = channels;
106  // automatically open when both samplerate and channels have been set
107  if (s->samplerate != 0 && s->channels != 0) {
108    return aubio_sink_apple_audio_open(s);
109  }
110  return AUBIO_OK;
111}
112
113uint_t aubio_sink_apple_audio_get_samplerate(aubio_sink_apple_audio_t *s)
114{
115  return s->samplerate;
116}
117
118uint_t aubio_sink_apple_audio_get_channels(aubio_sink_apple_audio_t *s)
119{
120  return s->channels;
121}
122
123uint_t aubio_sink_apple_audio_open(aubio_sink_apple_audio_t *s) {
124
125  if (s->samplerate == 0 || s->channels == 0) return AUBIO_FAIL;
126
127  AudioStreamBasicDescription clientFormat;
128  memset(&clientFormat, 0, sizeof(AudioStreamBasicDescription));
129  clientFormat.mFormatID         = kAudioFormatLinearPCM;
130  clientFormat.mSampleRate       = (Float64)(s->samplerate);
131  clientFormat.mFormatFlags      = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
132  clientFormat.mChannelsPerFrame = s->channels;
133  clientFormat.mBitsPerChannel   = sizeof(short) * 8;
134  clientFormat.mFramesPerPacket  = 1;
135  clientFormat.mBytesPerFrame    = clientFormat.mBitsPerChannel * clientFormat.mChannelsPerFrame / 8;
136  clientFormat.mBytesPerPacket   = clientFormat.mFramesPerPacket * clientFormat.mBytesPerFrame;
137  clientFormat.mReserved         = 0;
138
139  AudioFileTypeID fileType = kAudioFileWAVEType;
140  CFURLRef fileURL = getURLFromPath(s->path);
141  bool overwrite = true;
142  OSStatus err = noErr;
143  err = ExtAudioFileCreateWithURL(fileURL, fileType, &clientFormat, NULL,
144     overwrite ? kAudioFileFlags_EraseFile : 0, &s->audioFile);
145  if (err) {
146    char_t errorstr[20];
147    AUBIO_ERR("sink_apple_audio: error when trying to create %s with "
148        "ExtAudioFileCreateWithURL (%s)\n", s->path,
149        getPrintableOSStatusError(errorstr, err));
150    goto beach;
151  }
152  if (createAubioBufferList(&s->bufferList, s->channels, s->max_frames * s->channels)) {
153    AUBIO_ERR("sink_apple_audio: error when creating buffer list for %s, "
154        "out of memory? \n", s->path);
155    goto beach;
156  }
157  return AUBIO_OK;
158
159beach:
160  return AUBIO_FAIL;
161}
162
163void aubio_sink_apple_audio_do(aubio_sink_apple_audio_t * s, fvec_t * write_data, uint_t write) {
164  OSStatus err = noErr;
165  UInt32 c, v;
166  short *data = (short*)s->bufferList.mBuffers[0].mData;
167  if (write > s->max_frames) {
168    AUBIO_WRN("sink_apple_audio: trying to write %d frames, max %d\n", write, s->max_frames);
169    write = s->max_frames;
170  }
171  smpl_t *buf = write_data->data;
172
173  if (buf) {
174      for (c = 0; c < s->channels; c++) {
175          for (v = 0; v < write; v++) {
176              data[v * s->channels + c] =
177                  FLOAT_TO_SHORT(buf[ v * s->channels + c]);
178          }
179      }
180  }
181  if (s->async) {
182    err = ExtAudioFileWriteAsync(s->audioFile, write, &s->bufferList);
183
184    if (err) {
185      char_t errorstr[20];
186      AUBIO_ERROR("sink_apple_audio: error while writing %s "
187          "in ExtAudioFileWriteAsync (%s), switching to sync\n", s->path,
188          getPrintableOSStatusError(errorstr, err));
189      s->async = false;
190    } else {
191      return;
192    }
193
194  } else {
195    err = ExtAudioFileWrite(s->audioFile, write, &s->bufferList);
196
197    if (err) {
198      char_t errorstr[20];
199      AUBIO_ERROR("sink_apple_audio: error while writing %s "
200          "in ExtAudioFileWrite (%s)\n", s->path,
201          getPrintableOSStatusError(errorstr, err));
202    }
203  }
204  return;
205}
206
207void aubio_sink_apple_audio_do_multi(aubio_sink_apple_audio_t * s, fmat_t * write_data, uint_t write) {
208  OSStatus err = noErr;
209  UInt32 c, v;
210  short *data = (short*)s->bufferList.mBuffers[0].mData;
211  if (write > s->max_frames) {
212    AUBIO_WRN("sink_apple_audio: trying to write %d frames, max %d\n", write, s->max_frames);
213    write = s->max_frames;
214  }
215  smpl_t **buf = write_data->data;
216
217  if (buf) {
218      for (c = 0; c < s->channels; c++) {
219          for (v = 0; v < write; v++) {
220              data[v * s->channels + c] =
221                  FLOAT_TO_SHORT(buf[c][v]);
222          }
223      }
224  }
225  if (s->async) {
226    err = ExtAudioFileWriteAsync(s->audioFile, write, &s->bufferList);
227
228    if (err) {
229      char_t errorstr[20];
230      AUBIO_ERROR("sink_apple_audio: error while writing %s "
231          "in ExtAudioFileWriteAsync (%s), switching to sync\n", s->path,
232          getPrintableOSStatusError(errorstr, err));
233      s->async = false;
234    } else {
235      return;
236    }
237
238  } else {
239    err = ExtAudioFileWrite(s->audioFile, write, &s->bufferList);
240
241    if (err) {
242      char_t errorstr[20];
243      AUBIO_ERROR("sink_apple_audio: error while writing %s "
244          "in ExtAudioFileWrite (%s)\n", s->path,
245          getPrintableOSStatusError(errorstr, err));
246    }
247  }
248  return;
249}
250
251uint_t aubio_sink_apple_audio_close(aubio_sink_apple_audio_t * s) {
252  OSStatus err = noErr;
253  if (!s->audioFile) {
254    return AUBIO_FAIL;
255  }
256  err = ExtAudioFileDispose(s->audioFile);
257  if (err) {
258    char_t errorstr[20];
259    AUBIO_ERROR("sink_apple_audio: error while closing %s "
260        "in ExtAudioFileDispose (%s)\n", s->path,
261        getPrintableOSStatusError(errorstr, err));
262  }
263  s->audioFile = NULL;
264  return err;
265}
266
267void del_aubio_sink_apple_audio(aubio_sink_apple_audio_t * s) {
268  if (s->audioFile) aubio_sink_apple_audio_close (s);
269  freeAudioBufferList(&s->bufferList);
270  AUBIO_FREE(s);
271  return;
272}
273
274#endif /* HAVE_SINK_APPLE_AUDIO */
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