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Viewing changes to daemon/libs/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/legacy_dev.c

  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (4.3.4 sid)
  • Revision ID: package-import@ubuntu.com-20140128182336-jrsv0k9u6cawc068
Tags: 1.3.0-1
http://bugs.debian.org/735846
http://bugs.debian.org/727164
http://bugs.debian.org/718178
http://bugs.debian.org/736583
http://bugs.debian.org/722040
http://bugs.debian.org/736746
* New upstream release 
  - Fixes "New Upstream Release" (Closes: #735846)
  - Fixes "Ringtone does not stop" (Closes: #727164)
  - Fixes "[sflphone-kde] crash on startup" (Closes: #718178)
  - Fixes "sflphone GUI crashes when call is hung up" (Closes: #736583)
* Build-Depends: ensure GnuTLS 2.6
  - libucommon-dev (>= 6.0.7-1.1), libccrtp-dev (>= 2.0.6-3)
  - Fixes "FTBFS Build-Depends libgnutls{26,28}-dev" (Closes: #722040)
* Fix "boost 1.49 is going away" unversioned Build-Depends: (Closes: #736746)
* Add Build-Depends: libsndfile-dev, nepomuk-core-dev

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daemon/libs/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/legacy_dev.c
 
1
/* $Id: legacy_dev.c 3553 2011-05-05 06:14:19Z nanang $ */
 
2
/* 
 
3
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
 
4
 *
 
5
 * This program is free software; you can redistribute it and/or modify
 
6
 * it under the terms of the GNU General Public License as published by
 
7
 * the Free Software Foundation; either version 2 of the License, or
 
8
 * (at your option) any later version.
 
9
 *
 
10
 * This program is distributed in the hope that it will be useful,
 
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
13
 * GNU General Public License for more details.
 
14
 *
 
15
 * You should have received a copy of the GNU General Public License
 
16
 * along with this program; if not, write to the Free Software
 
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 
18
 */
 
19
#include <pjmedia-audiodev/audiodev_imp.h>
 
20
#include <pjmedia/sound.h>
 
21
#include <pj/assert.h>
 
22
 
 
23
#if PJMEDIA_AUDIO_DEV_HAS_LEGACY_DEVICE
 
24
 
 
25
#define THIS_FILE                       "legacy_dev.c"
 
26
 
 
27
/* Legacy devices factory */
 
28
struct legacy_factory
 
29
{
 
30
    pjmedia_aud_dev_factory      base;
 
31
    pj_pool_t                   *pool;
 
32
    pj_pool_factory             *pf;
 
33
};
 
34
 
 
35
 
 
36
struct legacy_stream
 
37
{
 
38
    pjmedia_aud_stream   base;
 
39
 
 
40
    pj_pool_t           *pool;
 
41
    pjmedia_aud_param    param;
 
42
    pjmedia_snd_stream  *snd_strm;
 
43
    pjmedia_aud_play_cb  user_play_cb;
 
44
    pjmedia_aud_rec_cb   user_rec_cb;
 
45
    void                *user_user_data;
 
46
    unsigned             input_latency;
 
47
    unsigned             output_latency;
 
48
};
 
49
 
 
50
 
 
51
/* Prototypes */
 
52
static pj_status_t factory_init(pjmedia_aud_dev_factory *f);
 
53
static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f);
 
54
static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f);
 
55
static unsigned    factory_get_dev_count(pjmedia_aud_dev_factory *f);
 
56
static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, 
 
57
                                        unsigned index,
 
58
                                        pjmedia_aud_dev_info *info);
 
59
static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f,
 
60
                                         unsigned index,
 
61
                                         pjmedia_aud_param *param);
 
62
static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f,
 
63
                                         const pjmedia_aud_param *param,
 
64
                                         pjmedia_aud_rec_cb rec_cb,
 
65
                                         pjmedia_aud_play_cb play_cb,
 
66
                                         void *user_data,
 
67
                                         pjmedia_aud_stream **p_aud_strm);
 
68
 
 
69
static pj_status_t stream_get_param(pjmedia_aud_stream *strm,
 
70
                                    pjmedia_aud_param *param);
 
71
static pj_status_t stream_get_cap(pjmedia_aud_stream *strm,
 
72
                                  pjmedia_aud_dev_cap cap,
 
73
                                  void *value);
 
74
static pj_status_t stream_set_cap(pjmedia_aud_stream *strm,
 
75
                                  pjmedia_aud_dev_cap cap,
 
76
                                  const void *value);
 
77
static pj_status_t stream_start(pjmedia_aud_stream *strm);
 
78
static pj_status_t stream_stop(pjmedia_aud_stream *strm);
 
79
static pj_status_t stream_destroy(pjmedia_aud_stream *strm);
 
80
 
 
81
 
 
82
/* Operations */
 
83
static pjmedia_aud_dev_factory_op factory_op =
 
84
{
 
85
    &factory_init,
 
86
    &factory_destroy,
 
87
    &factory_get_dev_count,
 
88
    &factory_get_dev_info,
 
89
    &factory_default_param,
 
90
    &factory_create_stream,
 
91
    &factory_refresh
 
92
};
 
93
 
 
94
static pjmedia_aud_stream_op stream_op = 
 
95
{
 
96
    &stream_get_param,
 
97
    &stream_get_cap,
 
98
    &stream_set_cap,
 
99
    &stream_start,
 
100
    &stream_stop,
 
101
    &stream_destroy
 
102
};
 
103
 
 
104
 
 
105
/****************************************************************************
 
106
 * Factory operations
 
107
 */
 
108
 
 
109
/*
 
110
 * Init legacy audio driver.
 
111
 */
 
112
pjmedia_aud_dev_factory* pjmedia_legacy_factory(pj_pool_factory *pf)
 
113
{
 
114
    struct legacy_factory *f;
 
115
    pj_pool_t *pool;
 
116
 
 
117
    pool = pj_pool_create(pf, "legacy-snd", 512, 512, NULL);
 
118
    f = PJ_POOL_ZALLOC_T(pool, struct legacy_factory);
 
119
    f->pf = pf;
 
120
    f->pool = pool;
 
121
    f->base.op = &factory_op;
 
122
 
 
123
    return &f->base;
 
124
}
 
125
 
 
126
 
 
127
/* API: init factory */
 
128
static pj_status_t factory_init(pjmedia_aud_dev_factory *f)
 
129
{
 
130
    struct legacy_factory *wf = (struct legacy_factory*)f;
 
131
 
 
132
    return pjmedia_snd_init(wf->pf);
 
133
}
 
134
 
 
135
/* API: destroy factory */
 
136
static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f)
 
137
{
 
138
    struct legacy_factory *wf = (struct legacy_factory*)f;
 
139
    pj_status_t status;
 
140
 
 
141
    status = pjmedia_snd_deinit();
 
142
 
 
143
    if (status == PJ_SUCCESS) {
 
144
        pj_pool_t *pool = wf->pool;
 
145
        wf->pool = NULL;
 
146
        pj_pool_release(pool);
 
147
    }
 
148
 
 
149
    return status;
 
150
}
 
151
 
 
152
/* API: refresh the list of devices */
 
153
static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f)
 
154
{
 
155
    PJ_UNUSED_ARG(f);
 
156
    return PJ_ENOTSUP;
 
157
}
 
158
 
 
159
/* API: get number of devices */
 
160
static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f)
 
161
{
 
162
    PJ_UNUSED_ARG(f);
 
163
    return pjmedia_snd_get_dev_count();
 
164
}
 
165
 
 
166
/* API: get device info */
 
167
static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, 
 
168
                                        unsigned index,
 
169
                                        pjmedia_aud_dev_info *info)
 
170
{
 
171
    const pjmedia_snd_dev_info *si = 
 
172
        pjmedia_snd_get_dev_info(index);;
 
173
 
 
174
    PJ_UNUSED_ARG(f);
 
175
 
 
176
    if (si == NULL)
 
177
        return PJMEDIA_EAUD_INVDEV;
 
178
 
 
179
    pj_bzero(info, sizeof(*info));
 
180
    pj_ansi_strncpy(info->name, si->name, sizeof(info->name));
 
181
    info->name[sizeof(info->name)-1] = '\0';
 
182
    info->input_count = si->input_count;
 
183
    info->output_count = si->output_count;
 
184
    info->default_samples_per_sec = si->default_samples_per_sec;
 
185
    pj_ansi_strcpy(info->driver, "legacy");
 
186
    info->caps = PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | 
 
187
                 PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY;
 
188
 
 
189
    return PJ_SUCCESS;
 
190
}
 
191
 
 
192
/* API: create default device parameter */
 
193
static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f,
 
194
                                         unsigned index,
 
195
                                         pjmedia_aud_param *param)
 
196
{
 
197
    pjmedia_aud_dev_info di;
 
198
    pj_status_t status;
 
199
 
 
200
    status = factory_get_dev_info(f, index, &di);
 
201
    if (status != PJ_SUCCESS)
 
202
        return status;
 
203
 
 
204
    pj_bzero(param, sizeof(*param));
 
205
    if (di.input_count && di.output_count) {
 
206
        param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK;
 
207
        param->rec_id = index;
 
208
        param->play_id = index;
 
209
    } else if (di.input_count) {
 
210
        param->dir = PJMEDIA_DIR_CAPTURE;
 
211
        param->rec_id = index;
 
212
        param->play_id = PJMEDIA_AUD_INVALID_DEV;
 
213
    } else if (di.output_count) {
 
214
        param->dir = PJMEDIA_DIR_PLAYBACK;
 
215
        param->play_id = index;
 
216
        param->rec_id = PJMEDIA_AUD_INVALID_DEV;
 
217
    } else {
 
218
        return PJMEDIA_EAUD_INVDEV;
 
219
    }
 
220
 
 
221
    param->clock_rate = di.default_samples_per_sec;
 
222
    param->channel_count = 1;
 
223
    param->samples_per_frame = di.default_samples_per_sec * 20 / 1000;
 
224
    param->bits_per_sample = 16;
 
225
    param->flags = di.caps;
 
226
    param->input_latency_ms = PJMEDIA_SND_DEFAULT_REC_LATENCY;
 
227
    param->output_latency_ms = PJMEDIA_SND_DEFAULT_PLAY_LATENCY;
 
228
 
 
229
    return PJ_SUCCESS;
 
230
}
 
231
 
 
232
/* Callback from legacy sound device */
 
233
static pj_status_t snd_play_cb(/* in */   void *user_data,
 
234
                               /* in */   pj_uint32_t timestamp,
 
235
                               /* out */  void *output,
 
236
                               /* out */  unsigned size)
 
237
{
 
238
    struct legacy_stream *strm = (struct legacy_stream*)user_data;
 
239
    pjmedia_frame frame;
 
240
    pj_status_t status;
 
241
 
 
242
    frame.type = PJMEDIA_FRAME_TYPE_AUDIO;
 
243
    frame.buf = output;
 
244
    frame.size = size;
 
245
    frame.timestamp.u64 = timestamp;
 
246
 
 
247
    status = strm->user_play_cb(strm->user_user_data, &frame);
 
248
    if (status != PJ_SUCCESS)
 
249
        return status;
 
250
 
 
251
    if (frame.type != PJMEDIA_FRAME_TYPE_AUDIO) {
 
252
        pj_bzero(output, size);
 
253
    }
 
254
 
 
255
    return PJ_SUCCESS;
 
256
}
 
257
 
 
258
/* Callback from legacy sound device */
 
259
static pj_status_t snd_rec_cb( /* in */   void *user_data,
 
260
                               /* in */   pj_uint32_t timestamp,
 
261
                               /* in */   void *input,
 
262
                               /* in*/    unsigned size)
 
263
{
 
264
    struct legacy_stream *strm = (struct legacy_stream*)user_data;
 
265
    pjmedia_frame frame;
 
266
    
 
267
    frame.type = PJMEDIA_FRAME_TYPE_AUDIO;
 
268
    frame.buf = input;
 
269
    frame.size = size;
 
270
    frame.timestamp.u64 = timestamp;
 
271
 
 
272
    return strm->user_rec_cb(strm->user_user_data, &frame);
 
273
}
 
274
 
 
275
/* API: create stream */
 
276
static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f,
 
277
                                         const pjmedia_aud_param *param,
 
278
                                         pjmedia_aud_rec_cb rec_cb,
 
279
                                         pjmedia_aud_play_cb play_cb,
 
280
                                         void *user_data,
 
281
                                         pjmedia_aud_stream **p_aud_strm)
 
282
{
 
283
    struct legacy_factory *wf = (struct legacy_factory*)f;
 
284
    pj_pool_t *pool;
 
285
    struct legacy_stream *strm;
 
286
    pj_status_t status;
 
287
 
 
288
    /* Initialize our stream data */
 
289
    pool = pj_pool_create(wf->pf, "legacy-snd", 512, 512, NULL);
 
290
    strm = PJ_POOL_ZALLOC_T(pool, struct legacy_stream);
 
291
    strm->pool = pool;
 
292
    strm->user_rec_cb = rec_cb;
 
293
    strm->user_play_cb = play_cb;
 
294
    strm->user_user_data = user_data;
 
295
    pj_memcpy(&strm->param, param, sizeof(*param));
 
296
 
 
297
    /* Set the latency if wanted */
 
298
    if (param->dir==PJMEDIA_DIR_CAPTURE_PLAYBACK &&
 
299
        param->flags & (PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY |
 
300
                        PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY))
 
301
    {
 
302
        PJ_ASSERT_RETURN(param->input_latency_ms &&
 
303
                         param->output_latency_ms,
 
304
                         PJMEDIA_EAUD_BADLATENCY);
 
305
 
 
306
        strm->input_latency = param->input_latency_ms;
 
307
        strm->output_latency = param->output_latency_ms;
 
308
 
 
309
        status = pjmedia_snd_set_latency(param->input_latency_ms,
 
310
                                         param->output_latency_ms);
 
311
        if (status != PJ_SUCCESS) {
 
312
            pj_pool_release(pool);
 
313
            return status;
 
314
        }
 
315
    }
 
316
 
 
317
    /* Open the stream */
 
318
    if (param->dir == PJMEDIA_DIR_CAPTURE) {
 
319
        status = pjmedia_snd_open_rec(param->rec_id,
 
320
                                      param->clock_rate,
 
321
                                      param->channel_count,
 
322
                                      param->samples_per_frame,
 
323
                                      param->bits_per_sample,
 
324
                                      &snd_rec_cb,
 
325
                                      strm,
 
326
                                      &strm->snd_strm);
 
327
    } else if (param->dir == PJMEDIA_DIR_PLAYBACK) {
 
328
        status = pjmedia_snd_open_player(param->play_id,
 
329
                                         param->clock_rate,
 
330
                                         param->channel_count,
 
331
                                         param->samples_per_frame,
 
332
                                         param->bits_per_sample,
 
333
                                         &snd_play_cb,
 
334
                                         strm,
 
335
                                         &strm->snd_strm);
 
336
 
 
337
    } else if (param->dir == PJMEDIA_DIR_CAPTURE_PLAYBACK) {
 
338
        status = pjmedia_snd_open(param->rec_id,
 
339
                                  param->play_id,
 
340
                                  param->clock_rate,
 
341
                                  param->channel_count,
 
342
                                  param->samples_per_frame,
 
343
                                  param->bits_per_sample,
 
344
                                  &snd_rec_cb,
 
345
                                  &snd_play_cb,
 
346
                                  strm,
 
347
                                  &strm->snd_strm);
 
348
    } else {
 
349
        pj_assert(!"Invalid direction!");
 
350
        return PJ_EINVAL;
 
351
    }
 
352
 
 
353
    if (status != PJ_SUCCESS) {
 
354
        pj_pool_release(pool);
 
355
        return status;
 
356
    }
 
357
 
 
358
    *p_aud_strm = &strm->base;
 
359
    return PJ_SUCCESS;
 
360
}
 
361
 
 
362
/* API: Get stream info. */
 
363
static pj_status_t stream_get_param(pjmedia_aud_stream *s,
 
364
                                    pjmedia_aud_param *pi)
 
365
{
 
366
    struct legacy_stream *strm = (struct legacy_stream*)s;
 
367
    PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL);
 
368
 
 
369
    pj_memcpy(pi, &strm->param, sizeof(*pi));
 
370
 
 
371
    if (strm->input_latency) {
 
372
        pi->flags |= PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY;
 
373
        pi->input_latency_ms = strm->input_latency;
 
374
    } else {
 
375
        pi->flags &= ~PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY;
 
376
    }
 
377
 
 
378
    if (strm->output_latency) {
 
379
        pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY;
 
380
        pi->output_latency_ms = strm->output_latency;
 
381
    } else {
 
382
        pi->flags &= ~PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY;
 
383
    }
 
384
 
 
385
    return PJ_SUCCESS;
 
386
}
 
387
 
 
388
/* API: get capability */
 
389
static pj_status_t stream_get_cap(pjmedia_aud_stream *s,
 
390
                                  pjmedia_aud_dev_cap cap,
 
391
                                  void *pval)
 
392
{
 
393
    struct legacy_stream *strm = (struct legacy_stream*)s;
 
394
 
 
395
    PJ_ASSERT_RETURN(strm && pval, PJ_EINVAL);
 
396
 
 
397
    if (cap==PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY && 
 
398
        (strm->param.dir & PJMEDIA_DIR_CAPTURE)) 
 
399
    {
 
400
        /* Recording latency */
 
401
        if (strm->input_latency) {
 
402
            *(unsigned*)pval = strm->input_latency;
 
403
            return PJ_SUCCESS;
 
404
        } else {
 
405
            return PJMEDIA_EAUD_INVCAP;
 
406
        }
 
407
 
 
408
    } else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY  && 
 
409
               (strm->param.dir & PJMEDIA_DIR_PLAYBACK))
 
410
    {
 
411
        /* Playback latency */
 
412
        if (strm->output_latency) {
 
413
            *(unsigned*)pval = strm->output_latency;
 
414
            return PJ_SUCCESS;
 
415
        } else {
 
416
            return PJMEDIA_EAUD_INVCAP;
 
417
        }
 
418
    } else {
 
419
        return PJMEDIA_EAUD_INVCAP;
 
420
    }
 
421
}
 
422
 
 
423
/* API: set capability */
 
424
static pj_status_t stream_set_cap(pjmedia_aud_stream *s,
 
425
                                  pjmedia_aud_dev_cap cap,
 
426
                                  const void *pval)
 
427
{
 
428
    PJ_UNUSED_ARG(s);
 
429
    PJ_UNUSED_ARG(cap);
 
430
    PJ_UNUSED_ARG(pval);
 
431
    return PJMEDIA_EAUD_INVCAP;
 
432
}
 
433
 
 
434
/* API: Start stream. */
 
435
static pj_status_t stream_start(pjmedia_aud_stream *s)
 
436
{
 
437
    struct legacy_stream *strm = (struct legacy_stream*)s;
 
438
    return pjmedia_snd_stream_start(strm->snd_strm);
 
439
}
 
440
 
 
441
/* API: Stop stream. */
 
442
static pj_status_t stream_stop(pjmedia_aud_stream *s)
 
443
{
 
444
    struct legacy_stream *strm = (struct legacy_stream*)s;
 
445
    return pjmedia_snd_stream_stop(strm->snd_strm);
 
446
}
 
447
 
 
448
 
 
449
/* API: Destroy stream. */
 
450
static pj_status_t stream_destroy(pjmedia_aud_stream *s)
 
451
{
 
452
    struct legacy_stream *strm = (struct legacy_stream*)s;
 
453
    pj_status_t status;
 
454
 
 
455
    status = pjmedia_snd_stream_close(strm->snd_strm);
 
456
 
 
457
    if (status == PJ_SUCCESS) {
 
458
        pj_pool_t *pool = strm->pool;
 
459
 
 
460
        strm->pool = NULL;
 
461
        pj_pool_release(pool);
 
462
    }
 
463
 
 
464
    return status;
 
465
}
 
466
 
 
467
#endif  /* PJMEDIA_AUDIO_DEV_HAS_LEGACY_DEVICE */
 
468