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  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (1.1.11)
  • mto: This revision was merged to the branch mainline in revision 24.
  • Revision ID: package-import@ubuntu.com-20140128182336-3xenud1kbnwmf3mz
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-2.0.1/pjmedia/src/pjmedia-videodev/avi_dev.c
1
 
/* $Id: avi_dev.c 4086 2012-04-26 02:44:41Z ming $ */
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-videodev/videodev_imp.h>
20
 
#include <pjmedia-videodev/avi_dev.h>
21
 
#include <pj/assert.h>
22
 
#include <pj/log.h>
23
 
#include <pj/os.h>
24
 
#include <pj/rand.h>
25
 
#include <pjmedia/vid_codec.h>
26
 
 
27
 
#if defined(PJMEDIA_VIDEO_DEV_HAS_AVI) && PJMEDIA_VIDEO_DEV_HAS_AVI != 0 && \
28
 
    defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
29
 
 
30
 
#define THIS_FILE               "avi_dev.c"
31
 
#define DRIVER_NAME             "AVIDev"
32
 
#define DEFAULT_CLOCK_RATE      90000
33
 
#define DEFAULT_WIDTH           640
34
 
#define DEFAULT_HEIGHT          480
35
 
#define DEFAULT_FPS             25
36
 
 
37
 
typedef struct avi_dev_strm avi_dev_strm;
38
 
 
39
 
/* avi_ device info */
40
 
struct avi_dev_info
41
 
{
42
 
    pjmedia_vid_dev_info         info;
43
 
 
44
 
    pj_pool_t                   *pool;
45
 
    pj_str_t                     fpath;
46
 
    pj_str_t                     title;
47
 
    pjmedia_avi_streams         *avi;
48
 
    pjmedia_port                *vid;
49
 
    avi_dev_strm                *strm;
50
 
    pjmedia_vid_codec           *codec;
51
 
    pj_uint8_t                  *enc_buf;
52
 
    pj_size_t                    enc_buf_size;
53
 
};
54
 
 
55
 
/* avi_ factory */
56
 
struct avi_factory
57
 
{
58
 
    pjmedia_vid_dev_factory      base;
59
 
    pj_pool_t                   *pool;
60
 
    pj_pool_factory             *pf;
61
 
 
62
 
    unsigned                     dev_count;
63
 
    struct avi_dev_info         *dev_info;
64
 
};
65
 
 
66
 
/* Video stream. */
67
 
struct avi_dev_strm
68
 
{
69
 
    pjmedia_vid_dev_stream           base;          /**< Base stream        */
70
 
    pjmedia_vid_dev_param            param;         /**< Settings           */
71
 
    pj_pool_t                       *pool;          /**< Memory pool.       */
72
 
    struct avi_dev_info             *adi;
73
 
 
74
 
    pjmedia_vid_dev_cb               vid_cb;        /**< Stream callback.   */
75
 
    void                            *user_data;     /**< Application data.  */
76
 
};
77
 
 
78
 
 
79
 
/* Prototypes */
80
 
static pj_status_t avi_factory_init(pjmedia_vid_dev_factory *f);
81
 
static pj_status_t avi_factory_destroy(pjmedia_vid_dev_factory *f);
82
 
static pj_status_t avi_factory_refresh(pjmedia_vid_dev_factory *f);
83
 
static unsigned    avi_factory_get_dev_count(pjmedia_vid_dev_factory *f);
84
 
static pj_status_t avi_factory_get_dev_info(pjmedia_vid_dev_factory *f,
85
 
                                             unsigned index,
86
 
                                             pjmedia_vid_dev_info *info);
87
 
static pj_status_t avi_factory_default_param(pj_pool_t *pool,
88
 
                                              pjmedia_vid_dev_factory *f,
89
 
                                              unsigned index,
90
 
                                              pjmedia_vid_dev_param *param);
91
 
static pj_status_t avi_factory_create_stream(
92
 
                                        pjmedia_vid_dev_factory *f,
93
 
                                        pjmedia_vid_dev_param *param,
94
 
                                        const pjmedia_vid_dev_cb *cb,
95
 
                                        void *user_data,
96
 
                                        pjmedia_vid_dev_stream **p_vid_strm);
97
 
 
98
 
static pj_status_t avi_dev_strm_get_param(pjmedia_vid_dev_stream *strm,
99
 
                                          pjmedia_vid_dev_param *param);
100
 
static pj_status_t avi_dev_strm_get_cap(pjmedia_vid_dev_stream *strm,
101
 
                                        pjmedia_vid_dev_cap cap,
102
 
                                        void *value);
103
 
static pj_status_t avi_dev_strm_set_cap(pjmedia_vid_dev_stream *strm,
104
 
                                        pjmedia_vid_dev_cap cap,
105
 
                                        const void *value);
106
 
static pj_status_t avi_dev_strm_get_frame(pjmedia_vid_dev_stream *strm,
107
 
                                          pjmedia_frame *frame);
108
 
static pj_status_t avi_dev_strm_start(pjmedia_vid_dev_stream *strm);
109
 
static pj_status_t avi_dev_strm_stop(pjmedia_vid_dev_stream *strm);
110
 
static pj_status_t avi_dev_strm_destroy(pjmedia_vid_dev_stream *strm);
111
 
 
112
 
static void reset_dev_info(struct avi_dev_info *adi);
113
 
 
114
 
/* Operations */
115
 
static pjmedia_vid_dev_factory_op factory_op =
116
 
{
117
 
    &avi_factory_init,
118
 
    &avi_factory_destroy,
119
 
    &avi_factory_get_dev_count,
120
 
    &avi_factory_get_dev_info,
121
 
    &avi_factory_default_param,
122
 
    &avi_factory_create_stream,
123
 
    &avi_factory_refresh
124
 
};
125
 
 
126
 
static pjmedia_vid_dev_stream_op stream_op =
127
 
{
128
 
    &avi_dev_strm_get_param,
129
 
    &avi_dev_strm_get_cap,
130
 
    &avi_dev_strm_set_cap,
131
 
    &avi_dev_strm_start,
132
 
    &avi_dev_strm_get_frame,
133
 
    NULL,
134
 
    &avi_dev_strm_stop,
135
 
    &avi_dev_strm_destroy
136
 
};
137
 
 
138
 
 
139
 
/****************************************************************************
140
 
 * Factory operations
141
 
 */
142
 
 
143
 
/* API */
144
 
PJ_DEF(pj_status_t) pjmedia_avi_dev_create_factory(
145
 
                                    pj_pool_factory *pf,
146
 
                                    unsigned max_dev,
147
 
                                    pjmedia_vid_dev_factory **p_ret)
148
 
{
149
 
    struct avi_factory *cf;
150
 
    pj_pool_t *pool;
151
 
    pj_status_t status;
152
 
 
153
 
    pool = pj_pool_create(pf, "avidevfc%p", 512, 512, NULL);
154
 
    cf = PJ_POOL_ZALLOC_T(pool, struct avi_factory);
155
 
    cf->pf = pf;
156
 
    cf->pool = pool;
157
 
    cf->dev_count = max_dev;
158
 
    cf->base.op = &factory_op;
159
 
 
160
 
    cf->dev_info = (struct avi_dev_info*)
161
 
                   pj_pool_calloc(cf->pool, cf->dev_count,
162
 
                                  sizeof(struct avi_dev_info));
163
 
 
164
 
    if (p_ret) {
165
 
        *p_ret = &cf->base;
166
 
    }
167
 
 
168
 
    status = pjmedia_vid_register_factory(NULL, &cf->base);
169
 
    if (status != PJ_SUCCESS)
170
 
        return status;
171
 
 
172
 
    PJ_LOG(4, (THIS_FILE, "AVI dev factory created with %d virtual device(s)",
173
 
               cf->dev_count));
174
 
 
175
 
    return PJ_SUCCESS;
176
 
}
177
 
 
178
 
/* API: init factory */
179
 
static pj_status_t avi_factory_init(pjmedia_vid_dev_factory *f)
180
 
{
181
 
    struct avi_factory *cf = (struct avi_factory*)f;
182
 
    unsigned i;
183
 
 
184
 
    for (i=0; i<cf->dev_count; ++i) {
185
 
        reset_dev_info(&cf->dev_info[i]);
186
 
    }
187
 
 
188
 
    return PJ_SUCCESS;
189
 
}
190
 
 
191
 
/* API: destroy factory */
192
 
static pj_status_t avi_factory_destroy(pjmedia_vid_dev_factory *f)
193
 
{
194
 
    struct avi_factory *cf = (struct avi_factory*)f;
195
 
    pj_pool_t *pool = cf->pool;
196
 
 
197
 
    cf->pool = NULL;
198
 
    pj_pool_release(pool);
199
 
 
200
 
    return PJ_SUCCESS;
201
 
}
202
 
 
203
 
/* API: refresh the list of devices */
204
 
static pj_status_t avi_factory_refresh(pjmedia_vid_dev_factory *f)
205
 
{
206
 
    PJ_UNUSED_ARG(f);
207
 
    return PJ_SUCCESS;
208
 
}
209
 
 
210
 
/* API: get number of devices */
211
 
static unsigned avi_factory_get_dev_count(pjmedia_vid_dev_factory *f)
212
 
{
213
 
    struct avi_factory *cf = (struct avi_factory*)f;
214
 
    return cf->dev_count;
215
 
}
216
 
 
217
 
/* API: get device info */
218
 
static pj_status_t avi_factory_get_dev_info(pjmedia_vid_dev_factory *f,
219
 
                                             unsigned index,
220
 
                                             pjmedia_vid_dev_info *info)
221
 
{
222
 
    struct avi_factory *cf = (struct avi_factory*)f;
223
 
 
224
 
    PJ_ASSERT_RETURN(index < cf->dev_count, PJMEDIA_EVID_INVDEV);
225
 
 
226
 
    pj_memcpy(info, &cf->dev_info[index].info, sizeof(*info));
227
 
 
228
 
    return PJ_SUCCESS;
229
 
}
230
 
 
231
 
/* API: create default device parameter */
232
 
static pj_status_t avi_factory_default_param(pj_pool_t *pool,
233
 
                                              pjmedia_vid_dev_factory *f,
234
 
                                              unsigned index,
235
 
                                              pjmedia_vid_dev_param *param)
236
 
{
237
 
    struct avi_factory *cf = (struct avi_factory*)f;
238
 
    struct avi_dev_info *di = &cf->dev_info[index];
239
 
 
240
 
    PJ_ASSERT_RETURN(index < cf->dev_count, PJMEDIA_EVID_INVDEV);
241
 
 
242
 
    PJ_UNUSED_ARG(pool);
243
 
 
244
 
    pj_bzero(param, sizeof(*param));
245
 
    param->dir = PJMEDIA_DIR_CAPTURE;
246
 
    param->cap_id = index;
247
 
    param->rend_id = PJMEDIA_VID_INVALID_DEV;
248
 
    param->flags = PJMEDIA_VID_DEV_CAP_FORMAT;
249
 
    param->clock_rate = DEFAULT_CLOCK_RATE;
250
 
    pj_memcpy(&param->fmt, &di->info.fmt[0], sizeof(param->fmt));
251
 
 
252
 
    return PJ_SUCCESS;
253
 
}
254
 
 
255
 
/* reset dev info */
256
 
static void reset_dev_info(struct avi_dev_info *adi)
257
 
{
258
 
    /* Close avi streams */
259
 
    if (adi->avi) {
260
 
        unsigned i, cnt;
261
 
 
262
 
        cnt = pjmedia_avi_streams_get_num_streams(adi->avi);
263
 
        for (i=0; i<cnt; ++i) {
264
 
            pjmedia_avi_stream *as;
265
 
 
266
 
            as = pjmedia_avi_streams_get_stream(adi->avi, i);
267
 
            if (as) {
268
 
                pjmedia_port *port;
269
 
                port = pjmedia_avi_stream_get_port(as);
270
 
                pjmedia_port_destroy(port);
271
 
            }
272
 
        }
273
 
        adi->avi = NULL;
274
 
    }
275
 
 
276
 
    if (adi->codec) {
277
 
        pjmedia_vid_codec_close(adi->codec);
278
 
        adi->codec = NULL;
279
 
    }
280
 
 
281
 
    if (adi->pool)
282
 
        pj_pool_release(adi->pool);
283
 
 
284
 
    pj_bzero(adi, sizeof(*adi));
285
 
 
286
 
    /* Fill up with *dummy" device info */
287
 
    pj_ansi_strncpy(adi->info.name, "AVI Player", sizeof(adi->info.name)-1);
288
 
    pj_ansi_strncpy(adi->info.driver, DRIVER_NAME, sizeof(adi->info.driver)-1);
289
 
    adi->info.dir = PJMEDIA_DIR_CAPTURE;
290
 
    adi->info.has_callback = PJ_FALSE;
291
 
}
292
 
 
293
 
/* API: release resources */
294
 
PJ_DEF(pj_status_t) pjmedia_avi_dev_free(pjmedia_vid_dev_index id)
295
 
{
296
 
    pjmedia_vid_dev_factory *f;
297
 
    struct avi_factory *cf;
298
 
    unsigned local_idx;
299
 
    struct avi_dev_info *adi;
300
 
    pj_status_t status;
301
 
 
302
 
    /* Lookup the factory and local device index */
303
 
    status = pjmedia_vid_dev_get_local_index(id, &f, &local_idx);
304
 
    if (status != PJ_SUCCESS)
305
 
        return status;
306
 
 
307
 
    /* The factory must be AVI factory */
308
 
    PJ_ASSERT_RETURN(f->op->init == &avi_factory_init, PJMEDIA_EVID_INVDEV);
309
 
    cf = (struct avi_factory*)f;
310
 
 
311
 
    /* Device index should be valid */
312
 
    PJ_ASSERT_RETURN(local_idx <= cf->dev_count, PJ_EBUG);
313
 
    adi = &cf->dev_info[local_idx];
314
 
 
315
 
    /* Cannot configure if stream is running */
316
 
    if (adi->strm)
317
 
        return PJ_EBUSY;
318
 
 
319
 
    /* Reset */
320
 
    reset_dev_info(adi);
321
 
    return PJ_SUCCESS;
322
 
}
323
 
 
324
 
/* API: get param */
325
 
PJ_DEF(pj_status_t) pjmedia_avi_dev_get_param(pjmedia_vid_dev_index id,
326
 
                                              pjmedia_avi_dev_param *prm)
327
 
{
328
 
    pjmedia_vid_dev_factory *f;
329
 
    struct avi_factory *cf;
330
 
    unsigned local_idx;
331
 
    struct avi_dev_info *adi;
332
 
    pj_status_t status;
333
 
 
334
 
    /* Lookup the factory and local device index */
335
 
    status = pjmedia_vid_dev_get_local_index(id, &f, &local_idx);
336
 
    if (status != PJ_SUCCESS)
337
 
        return status;
338
 
 
339
 
    /* The factory must be factory */
340
 
    PJ_ASSERT_RETURN(f->op->init == &avi_factory_init, PJMEDIA_EVID_INVDEV);
341
 
    cf = (struct avi_factory*)f;
342
 
 
343
 
    /* Device index should be valid */
344
 
    PJ_ASSERT_RETURN(local_idx <= cf->dev_count, PJ_EBUG);
345
 
    adi = &cf->dev_info[local_idx];
346
 
 
347
 
    pj_bzero(prm, sizeof(*prm));
348
 
    prm->path = adi->fpath;
349
 
    prm->title = adi->title;
350
 
    prm->avi_streams = adi->avi;
351
 
 
352
 
    return PJ_SUCCESS;
353
 
}
354
 
 
355
 
PJ_DEF(void) pjmedia_avi_dev_param_default(pjmedia_avi_dev_param *p)
356
 
{
357
 
    pj_bzero(p, sizeof(*p));
358
 
}
359
 
 
360
 
/* API: configure the AVI */
361
 
PJ_DEF(pj_status_t) pjmedia_avi_dev_alloc( pjmedia_vid_dev_factory *f,
362
 
                                           pjmedia_avi_dev_param *p,
363
 
                                           pjmedia_vid_dev_index *p_id)
364
 
{
365
 
    pjmedia_vid_dev_index id;
366
 
    struct avi_factory *cf = (struct avi_factory*)f;
367
 
    unsigned local_idx;
368
 
    struct avi_dev_info *adi = NULL;
369
 
    pjmedia_format avi_fmt;
370
 
    const pjmedia_video_format_info *vfi;
371
 
    pj_status_t status;
372
 
 
373
 
    PJ_ASSERT_RETURN(f && p && p_id, PJ_EINVAL);
374
 
 
375
 
    if (p_id)
376
 
        *p_id = PJMEDIA_VID_INVALID_DEV;
377
 
 
378
 
    /* Get a free dev */
379
 
    for (local_idx=0; local_idx<cf->dev_count; ++local_idx) {
380
 
        if (cf->dev_info[local_idx].avi == NULL) {
381
 
            adi = &cf->dev_info[local_idx];
382
 
            break;
383
 
        }
384
 
    }
385
 
 
386
 
    if (!adi)
387
 
        return PJ_ETOOMANY;
388
 
 
389
 
    /* Convert local ID to global id */
390
 
    status = pjmedia_vid_dev_get_global_index(&cf->base, local_idx, &id);
391
 
    if (status != PJ_SUCCESS)
392
 
        return status;
393
 
 
394
 
    /* Reset */
395
 
    if (adi->pool) {
396
 
        pj_pool_release(adi->pool);
397
 
    }
398
 
    pj_bzero(adi, sizeof(*adi));
399
 
 
400
 
    /* Reinit */
401
 
    PJ_ASSERT_RETURN(p->path.slen, PJ_EINVAL);
402
 
    adi->pool = pj_pool_create(cf->pf, "avidi%p", 512, 512, NULL);
403
 
 
404
 
 
405
 
    /* Open the AVI */
406
 
    pj_strdup_with_null(adi->pool, &adi->fpath, &p->path);
407
 
    status = pjmedia_avi_player_create_streams(adi->pool, adi->fpath.ptr, 0,
408
 
                                               &adi->avi);
409
 
    if (status != PJ_SUCCESS) {
410
 
        goto on_error;
411
 
    }
412
 
 
413
 
    adi->vid = pjmedia_avi_streams_get_stream_by_media(adi->avi, 0,
414
 
                                                       PJMEDIA_TYPE_VIDEO);
415
 
    if (!adi->vid) {
416
 
        status = PJMEDIA_EVID_BADFORMAT;
417
 
        PJ_LOG(4,(THIS_FILE, "Error: cannot find video in AVI %s",
418
 
                adi->fpath.ptr));
419
 
        goto on_error;
420
 
    }
421
 
 
422
 
    pjmedia_format_copy(&avi_fmt, &adi->vid->info.fmt);
423
 
    vfi = pjmedia_get_video_format_info(NULL, avi_fmt.id);
424
 
    /* Check whether the frame is encoded. */
425
 
    if (!vfi || vfi->bpp == 0) {
426
 
        /* Yes, prepare codec */
427
 
        const pjmedia_vid_codec_info *codec_info;
428
 
        pjmedia_vid_codec_param codec_param;
429
 
        pjmedia_video_apply_fmt_param vafp;
430
 
 
431
 
        /* Lookup codec */
432
 
        status = pjmedia_vid_codec_mgr_get_codec_info2(NULL,
433
 
                                                       avi_fmt.id,
434
 
                                                       &codec_info);
435
 
        if (status != PJ_SUCCESS || !codec_info)
436
 
            goto on_error;
437
 
 
438
 
        status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
439
 
                                                         &codec_param);
440
 
        if (status != PJ_SUCCESS)
441
 
            goto on_error;
442
 
 
443
 
        /* Open codec */
444
 
        status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info,
445
 
                                                   &adi->codec);
446
 
        if (status != PJ_SUCCESS)
447
 
            goto on_error;
448
 
 
449
 
        status = pjmedia_vid_codec_init(adi->codec, adi->pool);
450
 
        if (status != PJ_SUCCESS)
451
 
            goto on_error;
452
 
 
453
 
        codec_param.dir = PJMEDIA_DIR_DECODING;
454
 
        codec_param.packing = PJMEDIA_VID_PACKING_WHOLE;
455
 
        status = pjmedia_vid_codec_open(adi->codec, &codec_param);
456
 
        if (status != PJ_SUCCESS)
457
 
            goto on_error;
458
 
 
459
 
        /* Allocate buffer */
460
 
        avi_fmt.id = codec_info->dec_fmt_id[0];
461
 
        vfi = pjmedia_get_video_format_info(NULL, avi_fmt.id);
462
 
        pj_bzero(&vafp, sizeof(vafp));
463
 
        vafp.size = avi_fmt.det.vid.size;
464
 
        status = vfi->apply_fmt(vfi, &vafp);
465
 
        if (status != PJ_SUCCESS)
466
 
            goto on_error;
467
 
 
468
 
        adi->enc_buf = pj_pool_alloc(adi->pool, vafp.framebytes);
469
 
        adi->enc_buf_size = vafp.framebytes;
470
 
    }
471
 
 
472
 
    /* Calculate title */
473
 
    if (p->title.slen) {
474
 
        pj_strdup_with_null(adi->pool, &adi->title, &p->title);
475
 
    } else {
476
 
        char *start = p->path.ptr + p->path.slen;
477
 
        pj_str_t tmp;
478
 
 
479
 
        while (start >= p->path.ptr) {
480
 
            if (*start == '/' || *start == '\\')
481
 
                break;
482
 
            --start;
483
 
        }
484
 
        tmp.ptr = start + 1;
485
 
        tmp.slen = p->path.ptr + p->path.slen - tmp.ptr;
486
 
        pj_strdup_with_null(adi->pool, &adi->title, &tmp);
487
 
    }
488
 
 
489
 
    /* Init device info */
490
 
    pj_ansi_strncpy(adi->info.name, adi->title.ptr, sizeof(adi->info.name)-1);
491
 
    pj_ansi_strncpy(adi->info.driver, DRIVER_NAME, sizeof(adi->info.driver)-1);
492
 
    adi->info.dir = PJMEDIA_DIR_CAPTURE;
493
 
    adi->info.has_callback = PJ_FALSE;
494
 
 
495
 
    adi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT;
496
 
    adi->info.fmt_cnt = 1;
497
 
    pjmedia_format_copy(&adi->info.fmt[0], &avi_fmt);
498
 
 
499
 
    /* Set out vars */
500
 
    if (p_id)
501
 
        *p_id = id;
502
 
    p->avi_streams = adi->avi;
503
 
    if (p->title.slen == 0)
504
 
        p->title = adi->title;
505
 
 
506
 
    return PJ_SUCCESS;
507
 
 
508
 
on_error:
509
 
    if (adi->codec) {
510
 
        pjmedia_vid_codec_close(adi->codec);
511
 
        adi->codec = NULL;
512
 
    }
513
 
    if (adi->pool) {
514
 
        pj_pool_release(adi->pool);
515
 
        adi->pool = NULL;
516
 
    }
517
 
    pjmedia_avi_dev_free(id);
518
 
    return status;
519
 
}
520
 
 
521
 
 
522
 
/* API: create stream */
523
 
static pj_status_t avi_factory_create_stream(
524
 
                                        pjmedia_vid_dev_factory *f,
525
 
                                        pjmedia_vid_dev_param *param,
526
 
                                        const pjmedia_vid_dev_cb *cb,
527
 
                                        void *user_data,
528
 
                                        pjmedia_vid_dev_stream **p_vid_strm)
529
 
{
530
 
    struct avi_factory *cf = (struct avi_factory*)f;
531
 
    pj_pool_t *pool = NULL;
532
 
    struct avi_dev_info *adi;
533
 
    struct avi_dev_strm *strm;
534
 
 
535
 
    PJ_ASSERT_RETURN(f && param && p_vid_strm, PJ_EINVAL);
536
 
    PJ_ASSERT_RETURN(param->fmt.type == PJMEDIA_TYPE_VIDEO &&
537
 
                     param->fmt.detail_type == PJMEDIA_FORMAT_DETAIL_VIDEO &&
538
 
                     param->dir == PJMEDIA_DIR_CAPTURE,
539
 
                     PJ_EINVAL);
540
 
 
541
 
    /* Device must have been configured with pjmedia_avi_dev_set_param() */
542
 
    adi = &cf->dev_info[param->cap_id];
543
 
    PJ_ASSERT_RETURN(adi->avi != NULL, PJ_EINVALIDOP);
544
 
 
545
 
    /* Cannot create while stream is already active */
546
 
    PJ_ASSERT_RETURN(adi->strm==NULL, PJ_EINVALIDOP);
547
 
 
548
 
    /* Create and initialize basic stream descriptor */
549
 
    pool = pj_pool_create(cf->pf, "avidev%p", 512, 512, NULL);
550
 
    PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM);
551
 
 
552
 
    strm = PJ_POOL_ZALLOC_T(pool, struct avi_dev_strm);
553
 
    pj_memcpy(&strm->param, param, sizeof(*param));
554
 
    strm->pool = pool;
555
 
    pj_memcpy(&strm->vid_cb, cb, sizeof(*cb));
556
 
    strm->user_data = user_data;
557
 
    strm->adi = adi;
558
 
 
559
 
    pjmedia_format_copy(&param->fmt, &adi->info.fmt[0]);
560
 
 
561
 
    /* Done */
562
 
    strm->base.op = &stream_op;
563
 
    adi->strm = strm;
564
 
    *p_vid_strm = &strm->base;
565
 
 
566
 
    return PJ_SUCCESS;
567
 
}
568
 
 
569
 
/* API: Get stream info. */
570
 
static pj_status_t avi_dev_strm_get_param(pjmedia_vid_dev_stream *s,
571
 
                                         pjmedia_vid_dev_param *pi)
572
 
{
573
 
    struct avi_dev_strm *strm = (struct avi_dev_strm*)s;
574
 
 
575
 
    PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL);
576
 
 
577
 
    pj_memcpy(pi, &strm->param, sizeof(*pi));
578
 
 
579
 
    return PJ_SUCCESS;
580
 
}
581
 
 
582
 
/* API: get capability */
583
 
static pj_status_t avi_dev_strm_get_cap(pjmedia_vid_dev_stream *s,
584
 
                                       pjmedia_vid_dev_cap cap,
585
 
                                       void *pval)
586
 
{
587
 
    struct avi_dev_strm *strm = (struct avi_dev_strm*)s;
588
 
 
589
 
    PJ_UNUSED_ARG(strm);
590
 
    PJ_UNUSED_ARG(cap);
591
 
    PJ_UNUSED_ARG(pval);
592
 
 
593
 
    PJ_ASSERT_RETURN(s && pval, PJ_EINVAL);
594
 
 
595
 
    return PJMEDIA_EVID_INVCAP;
596
 
}
597
 
 
598
 
/* API: set capability */
599
 
static pj_status_t avi_dev_strm_set_cap(pjmedia_vid_dev_stream *s,
600
 
                                       pjmedia_vid_dev_cap cap,
601
 
                                       const void *pval)
602
 
{
603
 
    struct avi_dev_strm *strm = (struct avi_dev_strm*)s;
604
 
 
605
 
    PJ_UNUSED_ARG(strm);
606
 
    PJ_UNUSED_ARG(cap);
607
 
    PJ_UNUSED_ARG(pval);
608
 
 
609
 
    PJ_ASSERT_RETURN(s && pval, PJ_EINVAL);
610
 
 
611
 
    return PJMEDIA_EVID_INVCAP;
612
 
}
613
 
 
614
 
/* API: Get frame from stream */
615
 
static pj_status_t avi_dev_strm_get_frame(pjmedia_vid_dev_stream *strm,
616
 
                                         pjmedia_frame *frame)
617
 
{
618
 
    struct avi_dev_strm *stream = (struct avi_dev_strm*)strm;
619
 
 
620
 
    if (stream->adi->codec) {
621
 
        pjmedia_frame enc_frame;
622
 
        pj_status_t status;
623
 
 
624
 
        enc_frame.buf = stream->adi->enc_buf;
625
 
        enc_frame.size = stream->adi->enc_buf_size;
626
 
        status = pjmedia_port_get_frame(stream->adi->vid, &enc_frame);
627
 
        if (status != PJ_SUCCESS)
628
 
            return status;
629
 
 
630
 
        return pjmedia_vid_codec_decode(stream->adi->codec, 1, &enc_frame,
631
 
                                        frame->size, frame);
632
 
    } else {
633
 
        return pjmedia_port_get_frame(stream->adi->vid, frame);
634
 
    }
635
 
}
636
 
 
637
 
/* API: Start stream. */
638
 
static pj_status_t avi_dev_strm_start(pjmedia_vid_dev_stream *strm)
639
 
{
640
 
    struct avi_dev_strm *stream = (struct avi_dev_strm*)strm;
641
 
 
642
 
    PJ_UNUSED_ARG(stream);
643
 
 
644
 
    PJ_LOG(4, (THIS_FILE, "Starting avi video stream"));
645
 
 
646
 
    return PJ_SUCCESS;
647
 
}
648
 
 
649
 
/* API: Stop stream. */
650
 
static pj_status_t avi_dev_strm_stop(pjmedia_vid_dev_stream *strm)
651
 
{
652
 
    struct avi_dev_strm *stream = (struct avi_dev_strm*)strm;
653
 
 
654
 
    PJ_UNUSED_ARG(stream);
655
 
 
656
 
    PJ_LOG(4, (THIS_FILE, "Stopping avi video stream"));
657
 
 
658
 
    return PJ_SUCCESS;
659
 
}
660
 
 
661
 
 
662
 
/* API: Destroy stream. */
663
 
static pj_status_t avi_dev_strm_destroy(pjmedia_vid_dev_stream *strm)
664
 
{
665
 
    struct avi_dev_strm *stream = (struct avi_dev_strm*)strm;
666
 
 
667
 
    PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL);
668
 
 
669
 
    avi_dev_strm_stop(strm);
670
 
 
671
 
    stream->adi->strm = NULL;
672
 
    stream->adi = NULL;
673
 
    pj_pool_release(stream->pool);
674
 
 
675
 
    return PJ_SUCCESS;
676
 
}
677
 
 
678
 
#endif  /* PJMEDIA_VIDEO_DEV_HAS_AVI */