Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2012 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 | |
| 20 | /* |
| 21 | * This is the implementation of BlackBerry 10 (BB10) audio device. |
| 22 | * Original code was kindly donated by Truphone Ltd. (http://www.truphone.com) |
| 23 | * The key methods here are bb10_capture_open, bb10_play_open together |
| 24 | * with the capture and play threads ca_thread_func and pb_thread_func |
| 25 | */ |
| 26 | |
| 27 | #include <pjmedia_audiodev.h> |
| 28 | #include <pj/assert.h> |
| 29 | #include <pj/log.h> |
| 30 | #include <pj/os.h> |
| 31 | #include <pj/pool.h> |
| 32 | #include <pjmedia/errno.h> |
| 33 | |
| 34 | #if defined(PJMEDIA_AUDIO_DEV_HAS_BB10) && PJMEDIA_AUDIO_DEV_HAS_BB10 != 0 |
| 35 | |
| 36 | #ifndef PJ_BBSDK_VER |
| 37 | /* Format: 0xMMNNRR: MM: major, NN: minor, RR: revision */ |
| 38 | # define PJ_BBSDK_VER 0x100006 |
| 39 | #endif |
| 40 | |
| 41 | #include <sys/time.h> |
| 42 | #include <sys/types.h> |
| 43 | #include <unistd.h> |
| 44 | #include <sys/select.h> |
| 45 | #include <pthread.h> |
| 46 | #include <errno.h> |
| 47 | #include <sys/asoundlib.h> |
| 48 | #if PJ_BBSDK_VER >= 0x100006 |
| 49 | #include <audio/audio_manager_routing.h> |
| 50 | #endif |
| 51 | |
| 52 | |
| 53 | #define THIS_FILE "bb10_dev.c" |
| 54 | #define BB10_DEVICE_NAME "plughw:%d,%d" |
| 55 | |
| 56 | |
| 57 | /* Set to 1 to enable tracing */ |
| 58 | #if 1 |
| 59 | # define TRACE_(expr) PJ_LOG(4,expr) |
| 60 | #else |
| 61 | # define TRACE_(expr) |
| 62 | #endif |
| 63 | |
| 64 | /* |
| 65 | * Factory prototypes |
| 66 | */ |
| 67 | static pj_status_t bb10_factory_init(pjmedia_aud_dev_factory *f); |
| 68 | static pj_status_t bb10_factory_destroy(pjmedia_aud_dev_factory *f); |
| 69 | static pj_status_t bb10_factory_refresh(pjmedia_aud_dev_factory *f); |
| 70 | static unsigned bb10_factory_get_dev_count(pjmedia_aud_dev_factory *f); |
| 71 | static pj_status_t bb10_factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 72 | unsigned index, |
| 73 | pjmedia_aud_dev_info *info); |
| 74 | static pj_status_t bb10_factory_default_param(pjmedia_aud_dev_factory *f, |
| 75 | unsigned index, |
| 76 | pjmedia_aud_param *param); |
| 77 | static pj_status_t bb10_factory_create_stream(pjmedia_aud_dev_factory *f, |
| 78 | const pjmedia_aud_param *param, |
| 79 | pjmedia_aud_rec_cb rec_cb, |
| 80 | pjmedia_aud_play_cb play_cb, |
| 81 | void *user_data, |
| 82 | pjmedia_aud_stream **p_strm); |
| 83 | |
| 84 | /* |
| 85 | * Stream prototypes |
| 86 | */ |
| 87 | static pj_status_t bb10_stream_get_param(pjmedia_aud_stream *strm, |
| 88 | pjmedia_aud_param *param); |
| 89 | static pj_status_t bb10_stream_get_cap(pjmedia_aud_stream *strm, |
| 90 | pjmedia_aud_dev_cap cap, |
| 91 | void *value); |
| 92 | static pj_status_t bb10_stream_set_cap(pjmedia_aud_stream *strm, |
| 93 | pjmedia_aud_dev_cap cap, |
| 94 | const void *value); |
| 95 | static pj_status_t bb10_stream_start(pjmedia_aud_stream *strm); |
| 96 | static pj_status_t bb10_stream_stop(pjmedia_aud_stream *strm); |
| 97 | static pj_status_t bb10_stream_destroy(pjmedia_aud_stream *strm); |
| 98 | |
| 99 | |
| 100 | struct bb10_factory |
| 101 | { |
| 102 | pjmedia_aud_dev_factory base; |
| 103 | pj_pool_factory *pf; |
| 104 | pj_pool_t *pool; |
| 105 | pj_pool_t *base_pool; |
| 106 | unsigned dev_cnt; |
| 107 | pjmedia_aud_dev_info devs[1]; |
| 108 | }; |
| 109 | |
| 110 | struct bb10_stream |
| 111 | { |
| 112 | pjmedia_aud_stream base; |
| 113 | |
| 114 | /* Common */ |
| 115 | pj_pool_t *pool; |
| 116 | struct bb10_factory *af; |
| 117 | void *user_data; |
| 118 | pjmedia_aud_param param; /* Running parameter */ |
| 119 | int rec_id; /* Capture device id */ |
| 120 | int quit; |
| 121 | |
| 122 | /* Playback */ |
| 123 | unsigned int pb_ctrl_audio_manager_handle; |
| 124 | snd_pcm_t *pb_pcm; |
| 125 | unsigned int pb_audio_manager_handle; |
| 126 | unsigned long pb_frames; /* samples_per_frame */ |
| 127 | pjmedia_aud_play_cb pb_cb; |
| 128 | unsigned pb_buf_size; |
| 129 | char *pb_buf; |
| 130 | pj_thread_t *pb_thread; |
| 131 | |
| 132 | /* Capture */ |
| 133 | snd_pcm_t *ca_pcm; |
| 134 | unsigned int ca_audio_manager_handle; |
| 135 | unsigned long ca_frames; /* samples_per_frame */ |
| 136 | pjmedia_aud_rec_cb ca_cb; |
| 137 | unsigned ca_buf_size; |
| 138 | char *ca_buf; |
| 139 | pj_thread_t *ca_thread; |
| 140 | }; |
| 141 | |
| 142 | static pjmedia_aud_dev_factory_op bb10_factory_op = |
| 143 | { |
| 144 | &bb10_factory_init, |
| 145 | &bb10_factory_destroy, |
| 146 | &bb10_factory_get_dev_count, |
| 147 | &bb10_factory_get_dev_info, |
| 148 | &bb10_factory_default_param, |
| 149 | &bb10_factory_create_stream, |
| 150 | &bb10_factory_refresh |
| 151 | }; |
| 152 | |
| 153 | static pjmedia_aud_stream_op bb10_stream_op = |
| 154 | { |
| 155 | &bb10_stream_get_param, |
| 156 | &bb10_stream_get_cap, |
| 157 | &bb10_stream_set_cap, |
| 158 | &bb10_stream_start, |
| 159 | &bb10_stream_stop, |
| 160 | &bb10_stream_destroy |
| 161 | }; |
| 162 | |
| 163 | /* |
| 164 | * BB10 - tests loads the audio units and sets up the driver structure |
| 165 | */ |
| 166 | static pj_status_t bb10_add_dev (struct bb10_factory *af) |
| 167 | { |
| 168 | pjmedia_aud_dev_info *adi; |
| 169 | int pb_result, ca_result; |
| 170 | unsigned int handle; |
| 171 | snd_pcm_t *pcm_handle; |
| 172 | |
| 173 | if (af->dev_cnt >= PJ_ARRAY_SIZE(af->devs)) |
| 174 | return PJ_ETOOMANY; |
| 175 | |
| 176 | adi = &af->devs[af->dev_cnt]; |
| 177 | |
| 178 | TRACE_((THIS_FILE, "bb10_add_dev Enter")); |
| 179 | |
| 180 | if ((pb_result = audio_manager_snd_pcm_open_name(AUDIO_TYPE_VIDEO_CHAT, |
| 181 | &pcm_handle, |
| 182 | &handle, |
| 183 | (char*)"voice", |
| 184 | SND_PCM_OPEN_PLAYBACK)) |
| 185 | >= 0) |
| 186 | { |
| 187 | snd_pcm_close (pcm_handle); |
| 188 | audio_manager_free_handle(handle); |
| 189 | } else { |
| 190 | TRACE_((THIS_FILE, "Try to open the device for playback - failure")); |
| 191 | } |
| 192 | |
| 193 | if ((ca_result = audio_manager_snd_pcm_open_name(AUDIO_TYPE_VIDEO_CHAT, |
| 194 | &pcm_handle, |
| 195 | &handle, |
| 196 | (char*)"voice", |
| 197 | SND_PCM_OPEN_CAPTURE)) |
| 198 | >= 0) |
| 199 | { |
| 200 | snd_pcm_close (pcm_handle); |
| 201 | audio_manager_free_handle(handle); |
| 202 | |
| 203 | } else { |
| 204 | TRACE_((THIS_FILE, "Try to open the device for capture - failure")); |
| 205 | } |
| 206 | |
| 207 | if (pb_result < 0 && ca_result < 0) { |
| 208 | TRACE_((THIS_FILE, "Unable to open sound device", "preferred")); |
| 209 | return PJMEDIA_EAUD_NODEV; |
| 210 | } |
| 211 | |
| 212 | /* Reset device info */ |
| 213 | pj_bzero(adi, sizeof(*adi)); |
| 214 | |
| 215 | /* Set device name */ |
| 216 | strcpy(adi->name, "preferred"); |
| 217 | |
| 218 | /* Check the number of playback channels */ |
| 219 | adi->output_count = (pb_result >= 0) ? 1 : 0; |
| 220 | |
| 221 | /* Check the number of capture channels */ |
| 222 | adi->input_count = (ca_result >= 0) ? 1 : 0; |
| 223 | |
| 224 | /* Set the default sample rate */ |
| 225 | adi->default_samples_per_sec = 8000; |
| 226 | |
| 227 | /* Driver name */ |
| 228 | strcpy(adi->driver, "BB10"); |
| 229 | |
| 230 | ++af->dev_cnt; |
| 231 | |
| 232 | PJ_LOG (4,(THIS_FILE, "Added sound device %s", adi->name)); |
| 233 | |
| 234 | return PJ_SUCCESS; |
| 235 | } |
| 236 | |
| 237 | /* Create BB10 audio driver. */ |
| 238 | pjmedia_aud_dev_factory* pjmedia_bb10_factory(pj_pool_factory *pf) |
| 239 | { |
| 240 | struct bb10_factory *af; |
| 241 | pj_pool_t *pool; |
| 242 | |
| 243 | pool = pj_pool_create(pf, "bb10_aud_base", 256, 256, NULL); |
| 244 | af = PJ_POOL_ZALLOC_T(pool, struct bb10_factory); |
| 245 | af->pf = pf; |
| 246 | af->base_pool = pool; |
| 247 | af->base.op = &bb10_factory_op; |
| 248 | |
| 249 | return &af->base; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | /* API: init factory */ |
| 254 | static pj_status_t bb10_factory_init(pjmedia_aud_dev_factory *f) |
| 255 | { |
| 256 | pj_status_t status; |
| 257 | |
| 258 | status = bb10_factory_refresh(f); |
| 259 | if (status != PJ_SUCCESS) |
| 260 | return status; |
| 261 | |
| 262 | PJ_LOG(4,(THIS_FILE, "BB10 initialized")); |
| 263 | return PJ_SUCCESS; |
| 264 | } |
| 265 | |
| 266 | |
| 267 | /* API: destroy factory */ |
| 268 | static pj_status_t bb10_factory_destroy(pjmedia_aud_dev_factory *f) |
| 269 | { |
| 270 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 271 | |
| 272 | if (af->pool) { |
| 273 | TRACE_((THIS_FILE, "bb10_factory_destroy() - 1")); |
| 274 | pj_pool_release(af->pool); |
| 275 | } |
| 276 | |
| 277 | if (af->base_pool) { |
| 278 | pj_pool_t *pool = af->base_pool; |
| 279 | af->base_pool = NULL; |
| 280 | TRACE_((THIS_FILE, "bb10_factory_destroy() - 2")); |
| 281 | pj_pool_release(pool); |
| 282 | } |
| 283 | |
| 284 | return PJ_SUCCESS; |
| 285 | } |
| 286 | |
| 287 | |
| 288 | /* API: refresh the device list */ |
| 289 | static pj_status_t bb10_factory_refresh(pjmedia_aud_dev_factory *f) |
| 290 | { |
| 291 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 292 | int err; |
| 293 | |
| 294 | TRACE_((THIS_FILE, "bb10_factory_refresh()")); |
| 295 | |
| 296 | if (af->pool != NULL) { |
| 297 | pj_pool_release(af->pool); |
| 298 | af->pool = NULL; |
| 299 | } |
| 300 | |
| 301 | af->pool = pj_pool_create(af->pf, "bb10_aud", 256, 256, NULL); |
| 302 | af->dev_cnt = 0; |
| 303 | |
| 304 | err = bb10_add_dev(af); |
| 305 | |
| 306 | PJ_LOG(4,(THIS_FILE, "BB10 driver found %d devices", af->dev_cnt)); |
| 307 | |
| 308 | return err; |
| 309 | } |
| 310 | |
| 311 | |
| 312 | /* API: get device count */ |
| 313 | static unsigned bb10_factory_get_dev_count(pjmedia_aud_dev_factory *f) |
| 314 | { |
| 315 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 316 | return af->dev_cnt; |
| 317 | } |
| 318 | |
| 319 | |
| 320 | /* API: get device info */ |
| 321 | static pj_status_t bb10_factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 322 | unsigned index, |
| 323 | pjmedia_aud_dev_info *info) |
| 324 | { |
| 325 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 326 | |
| 327 | PJ_ASSERT_RETURN(index>=0 && index<af->dev_cnt, PJ_EINVAL); |
| 328 | |
| 329 | pj_memcpy(info, &af->devs[index], sizeof(*info)); |
| 330 | info->caps = PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | |
| 331 | PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY | |
| 332 | PJMEDIA_AUD_DEV_CAP_EC; |
| 333 | |
| 334 | return PJ_SUCCESS; |
| 335 | } |
| 336 | |
| 337 | /* API: create default parameter */ |
| 338 | static pj_status_t bb10_factory_default_param(pjmedia_aud_dev_factory *f, |
| 339 | unsigned index, |
| 340 | pjmedia_aud_param *param) |
| 341 | { |
| 342 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 343 | pjmedia_aud_dev_info *adi; |
| 344 | |
| 345 | PJ_ASSERT_RETURN(index>=0 && index<af->dev_cnt, PJ_EINVAL); |
| 346 | |
| 347 | adi = &af->devs[index]; |
| 348 | |
| 349 | pj_bzero(param, sizeof(*param)); |
| 350 | if (adi->input_count && adi->output_count) { |
| 351 | param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| 352 | param->rec_id = index; |
| 353 | param->play_id = index; |
| 354 | } else if (adi->input_count) { |
| 355 | param->dir = PJMEDIA_DIR_CAPTURE; |
| 356 | param->rec_id = index; |
| 357 | param->play_id = PJMEDIA_AUD_INVALID_DEV; |
| 358 | } else if (adi->output_count) { |
| 359 | param->dir = PJMEDIA_DIR_PLAYBACK; |
| 360 | param->play_id = index; |
| 361 | param->rec_id = PJMEDIA_AUD_INVALID_DEV; |
| 362 | } else { |
| 363 | return PJMEDIA_EAUD_INVDEV; |
| 364 | } |
| 365 | |
| 366 | param->clock_rate = adi->default_samples_per_sec; |
| 367 | param->channel_count = 1; |
| 368 | param->samples_per_frame = adi->default_samples_per_sec * 20 / 1000; |
| 369 | param->bits_per_sample = 16; |
| 370 | param->flags = adi->caps; |
| 371 | param->input_latency_ms = PJMEDIA_SND_DEFAULT_REC_LATENCY; |
| 372 | param->output_latency_ms = PJMEDIA_SND_DEFAULT_PLAY_LATENCY; |
| 373 | |
| 374 | TRACE_((THIS_FILE, "bb10_factory_default_param clock = %d flags = %d" |
| 375 | " spf = %d", param->clock_rate, param->flags, |
| 376 | param->samples_per_frame)); |
| 377 | |
| 378 | return PJ_SUCCESS; |
| 379 | } |
| 380 | |
| 381 | |
| 382 | static void close_play_pcm(struct bb10_stream *stream) |
| 383 | { |
| 384 | if (stream != NULL && stream->pb_pcm != NULL) { |
| 385 | snd_pcm_close(stream->pb_pcm); |
| 386 | stream->pb_pcm = NULL; |
| 387 | |
| 388 | if (stream->pb_audio_manager_handle != 0) { |
| 389 | audio_manager_free_handle(stream->pb_audio_manager_handle); |
| 390 | stream->pb_audio_manager_handle = 0; |
| 391 | } |
| 392 | |
| 393 | if (stream->pb_ctrl_audio_manager_handle != 0) { |
| 394 | audio_manager_free_handle(stream->pb_ctrl_audio_manager_handle); |
| 395 | stream->pb_ctrl_audio_manager_handle = 0; |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | static void flush_play(struct bb10_stream *stream) |
| 401 | { |
| 402 | if (stream != NULL && stream->pb_pcm != NULL) { |
| 403 | snd_pcm_plugin_flush (stream->pb_pcm, SND_PCM_CHANNEL_PLAYBACK); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | static void close_capture_pcm(struct bb10_stream *stream) |
| 408 | { |
| 409 | if (stream != NULL && stream->ca_pcm != NULL) { |
| 410 | snd_pcm_close(stream->ca_pcm); |
| 411 | stream->ca_pcm = NULL; |
| 412 | |
| 413 | if (stream->ca_audio_manager_handle != 0) { |
| 414 | audio_manager_free_handle(stream->ca_audio_manager_handle); |
| 415 | stream->ca_audio_manager_handle = 0; |
| 416 | } |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | static void flush_capture(struct bb10_stream *stream) |
| 421 | { |
| 422 | if (stream != NULL && stream->ca_pcm != NULL) { |
| 423 | snd_pcm_plugin_flush (stream->ca_pcm, SND_PCM_CHANNEL_CAPTURE); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | |
| 428 | /** |
| 429 | * Play audio received from PJMEDIA |
| 430 | */ |
| 431 | static int pb_thread_func (void *arg) |
| 432 | { |
| 433 | struct bb10_stream* stream = (struct bb10_stream *) arg; |
| 434 | int size = stream->pb_buf_size; |
| 435 | unsigned long nframes = stream->pb_frames; |
| 436 | void *user_data = stream->user_data; |
| 437 | char *buf = stream->pb_buf; |
| 438 | pj_timestamp tstamp; |
| 439 | int result = 0; |
| 440 | int policy; |
| 441 | struct sched_param param; |
| 442 | |
| 443 | TRACE_((THIS_FILE, "pb_thread_func: size = %d ", size)); |
| 444 | |
| 445 | if (pthread_getschedparam(pthread_self(), &policy, ¶m) == 0) { |
| 446 | param.sched_priority = 18; |
| 447 | pthread_setschedparam (pthread_self(), policy, ¶m); |
| 448 | } |
| 449 | |
| 450 | pj_bzero (buf, size); |
| 451 | tstamp.u64 = 0; |
| 452 | |
| 453 | /* Do the final initialization now the thread has started. */ |
| 454 | if ((result = snd_pcm_plugin_prepare(stream->pb_pcm, |
| 455 | SND_PCM_CHANNEL_PLAYBACK)) < 0) |
| 456 | { |
| 457 | close_play_pcm(stream); |
| 458 | TRACE_((THIS_FILE, "pb_thread_func failed prepare = %d", result)); |
| 459 | return PJ_SUCCESS; |
| 460 | } |
| 461 | |
| 462 | while (!stream->quit) { |
| 463 | pjmedia_frame frame; |
| 464 | |
| 465 | frame.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 466 | /* pointer to buffer filled by PJMEDIA */ |
| 467 | frame.buf = buf; |
| 468 | frame.size = size; |
| 469 | frame.timestamp.u64 = tstamp.u64; |
| 470 | frame.bit_info = 0; |
| 471 | |
| 472 | /* Read the audio from pjmedia */ |
| 473 | result = stream->pb_cb (user_data, &frame); |
| 474 | if (result != PJ_SUCCESS || stream->quit) |
| 475 | break; |
| 476 | |
| 477 | if (frame.type != PJMEDIA_FRAME_TYPE_AUDIO) |
| 478 | pj_bzero (buf, size); |
| 479 | |
| 480 | /* Write 640 to play unit */ |
| 481 | result = snd_pcm_plugin_write(stream->pb_pcm,buf,size); |
| 482 | if (result != size || result < 0) { |
| 483 | /* either the write to output device has failed or not the |
| 484 | * full amount of bytes have been written. This usually happens |
| 485 | * when audio routing is being changed by another thread |
| 486 | * Use a status variable for reading the error |
| 487 | */ |
| 488 | snd_pcm_channel_status_t status; |
| 489 | status.channel = SND_PCM_CHANNEL_PLAYBACK; |
| 490 | if (snd_pcm_plugin_status (stream->pb_pcm, &status) < 0) { |
| 491 | /* Call has failed nothing we can do except log and |
| 492 | * continue */ |
| 493 | PJ_LOG(4,(THIS_FILE, |
| 494 | "underrun: playback channel status error")); |
| 495 | } else { |
| 496 | /* The status of the error has been read |
| 497 | * RIM say these are expected so we can "re-prepare" the stream |
| 498 | */ |
| 499 | PJ_LOG(4,(THIS_FILE,"PLAY thread ERROR status = %d", |
| 500 | status.status)); |
| 501 | if (status.status == SND_PCM_STATUS_READY || |
| 502 | status.status == SND_PCM_STATUS_UNDERRUN || |
| 503 | status.status == SND_PCM_STATUS_ERROR ) |
| 504 | { |
| 505 | if (snd_pcm_plugin_prepare (stream->pb_pcm, |
| 506 | SND_PCM_CHANNEL_PLAYBACK) < 0) |
| 507 | { |
| 508 | PJ_LOG(4,(THIS_FILE, |
| 509 | "underrun: playback channel prepare error")); |
| 510 | } |
| 511 | } |
| 512 | } |
| 513 | } |
| 514 | tstamp.u64 += nframes; |
| 515 | } |
| 516 | |
| 517 | flush_play(stream); |
| 518 | close_play_pcm(stream); |
| 519 | TRACE_((THIS_FILE, "pb_thread_func: Stopped")); |
| 520 | |
| 521 | return PJ_SUCCESS; |
| 522 | } |
| 523 | |
| 524 | |
| 525 | |
| 526 | static int ca_thread_func (void *arg) |
| 527 | { |
| 528 | struct bb10_stream* stream = (struct bb10_stream *) arg; |
| 529 | int size = stream->ca_buf_size; |
| 530 | unsigned long nframes = stream->ca_frames; |
| 531 | void *user_data = stream->user_data; |
| 532 | /* Buffer to fill for PJMEDIA */ |
| 533 | char *buf = stream->ca_buf; |
| 534 | pj_timestamp tstamp; |
| 535 | int result; |
| 536 | int policy; |
| 537 | struct sched_param param; |
| 538 | |
| 539 | TRACE_((THIS_FILE, "ca_thread_func: size = %d ", size)); |
| 540 | |
| 541 | if (pthread_getschedparam(pthread_self(), &policy, ¶m) == 0) { |
| 542 | param.sched_priority = 18; |
| 543 | pthread_setschedparam (pthread_self(), policy, ¶m); |
| 544 | } |
| 545 | |
| 546 | pj_bzero (buf, size); |
| 547 | tstamp.u64 = 0; |
| 548 | |
| 549 | /* Final init now the thread has started */ |
| 550 | if ((result = snd_pcm_plugin_prepare (stream->ca_pcm, |
| 551 | SND_PCM_CHANNEL_CAPTURE)) < 0) |
| 552 | { |
| 553 | close_capture_pcm(stream); |
| 554 | TRACE_((THIS_FILE, "ca_thread_func failed prepare = %d", result)); |
| 555 | return PJ_SUCCESS; |
| 556 | } |
| 557 | |
| 558 | while (!stream->quit) { |
| 559 | pjmedia_frame frame; |
| 560 | |
| 561 | //pj_bzero (buf, size); |
| 562 | |
| 563 | /* read the input device */ |
| 564 | result = snd_pcm_plugin_read(stream->ca_pcm, buf,size); |
| 565 | if(result <0 || result != size) { |
| 566 | /* We expect result to be size (640) |
| 567 | * It's not so we have to read the status error and "prepare" |
| 568 | * the channel. This usually happens when output audio routing |
| 569 | * has been changed by another thread. |
| 570 | * We won't "continue", instead just do what we can and leave |
| 571 | * the end of the loop to write what's in the buffer. Not entirely |
| 572 | * correct but saves a potential underrun in PJMEDIA |
| 573 | */ |
| 574 | PJ_LOG (4,(THIS_FILE, |
| 575 | "snd_pcm_plugin_read ERROR read = %d required = %d", |
| 576 | result,size)); |
| 577 | snd_pcm_channel_status_t status; |
| 578 | status.channel = SND_PCM_CHANNEL_CAPTURE; |
| 579 | if ((result = snd_pcm_plugin_status (stream->ca_pcm, &status)) < 0) |
| 580 | { |
| 581 | /* Should not fail but all we can do is continue */ |
| 582 | PJ_LOG(4,(THIS_FILE, "capture: snd_pcm_plugin_status ret = %d", |
| 583 | result)); |
| 584 | } else { |
| 585 | /* RIM say these are the errors that we should "prepare" |
| 586 | * after */ |
| 587 | if (status.status == SND_PCM_STATUS_READY || |
| 588 | status.status == SND_PCM_STATUS_OVERRUN || |
| 589 | status.status == SND_PCM_STATUS_ERROR) |
| 590 | { |
| 591 | if (snd_pcm_plugin_prepare (stream->ca_pcm, |
| 592 | SND_PCM_CHANNEL_CAPTURE) < 0) |
| 593 | { |
| 594 | PJ_LOG (4,(THIS_FILE, |
| 595 | "overrun: capture channel prepare error")); |
| 596 | } |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | if (stream->quit) |
| 602 | break; |
| 603 | |
| 604 | /* Write the capture audio data to PJMEDIA */ |
| 605 | frame.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 606 | frame.buf = (void *) buf; |
| 607 | frame.size = size; |
| 608 | frame.timestamp.u64 = tstamp.u64; |
| 609 | frame.bit_info = 0; |
| 610 | |
| 611 | result = stream->ca_cb (user_data, &frame); |
| 612 | if (result != PJ_SUCCESS || stream->quit) |
| 613 | break; |
| 614 | |
| 615 | tstamp.u64 += nframes; |
| 616 | } |
| 617 | |
| 618 | flush_capture(stream); |
| 619 | close_capture_pcm(stream); |
| 620 | TRACE_((THIS_FILE, "ca_thread_func: Stopped")); |
| 621 | |
| 622 | return PJ_SUCCESS; |
| 623 | } |
| 624 | |
| 625 | /* Audio routing, speaker/headset */ |
| 626 | static pj_status_t bb10_initialize_playback_ctrl(struct bb10_stream *stream, |
| 627 | bool speaker) |
| 628 | { |
| 629 | /* Although the play and capture have audio manager handles, audio routing |
| 630 | * requires a separate handle |
| 631 | */ |
| 632 | int ret = PJ_SUCCESS; |
| 633 | |
| 634 | if (stream->pb_ctrl_audio_manager_handle == 0) { |
| 635 | /* lazy init an audio manager handle */ |
| 636 | ret = audio_manager_get_handle(AUDIO_TYPE_VOICE, 0, false, |
| 637 | &stream->pb_ctrl_audio_manager_handle); |
| 638 | if (ret != 0) { |
| 639 | TRACE_((THIS_FILE, "audio_manager_get_handle ret = %d",ret)); |
| 640 | return PJMEDIA_EAUD_SYSERR; |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | /* Set for either speaker or earpiece */ |
| 645 | if (speaker) { |
| 646 | ret = audio_manager_set_handle_type( |
| 647 | stream->pb_ctrl_audio_manager_handle, |
| 648 | AUDIO_TYPE_VIDEO_CHAT, |
| 649 | AUDIO_DEVICE_DEFAULT, |
| 650 | AUDIO_DEVICE_DEFAULT); |
| 651 | } else { |
| 652 | ret = audio_manager_set_handle_type( |
| 653 | stream->pb_ctrl_audio_manager_handle, |
| 654 | AUDIO_TYPE_VOICE, |
| 655 | AUDIO_DEVICE_DEFAULT, |
| 656 | AUDIO_DEVICE_DEFAULT); |
| 657 | } |
| 658 | |
| 659 | if (ret != 0) { |
| 660 | return PJMEDIA_EAUD_SYSERR; |
| 661 | }else{ |
| 662 | return PJ_SUCCESS; |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | static int32_t get_alsa_pcm_fmt(const pjmedia_aud_param *param) |
| 667 | { |
| 668 | switch (param->bits_per_sample) { |
| 669 | case 8: |
| 670 | return SND_PCM_SFMT_S8; |
| 671 | case 16: |
| 672 | return SND_PCM_SFMT_S16_LE; |
| 673 | case 24: |
| 674 | return SND_PCM_SFMT_S24_LE; |
| 675 | case 32: |
| 676 | return SND_PCM_SFMT_S32_LE; |
| 677 | default: |
| 678 | PJ_ASSERT_RETURN(!"Unsupported bits_per_frame", SND_PCM_SFMT_S16_LE); |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | static pj_status_t bb10_open_playback (struct bb10_stream *stream, |
| 683 | const pjmedia_aud_param *param) |
| 684 | { |
| 685 | int ret = 0; |
| 686 | snd_pcm_channel_info_t pi; |
| 687 | snd_pcm_channel_setup_t setup; |
| 688 | snd_mixer_group_t group; |
| 689 | snd_pcm_channel_params_t pp; |
| 690 | unsigned int rate; |
| 691 | unsigned long tmp_buf_size; |
| 692 | |
| 693 | if (param->play_id < 0 || param->play_id >= stream->af->dev_cnt) { |
| 694 | return PJMEDIA_EAUD_INVDEV; |
| 695 | } |
| 696 | |
| 697 | PJ_ASSERT_RETURN(param->bits_per_sample == 16, PJMEDIA_EAUD_SAMPFORMAT); |
| 698 | |
| 699 | /* Use the bb10 audio manager API to open as opposed to QNX core audio |
| 700 | * Echo cancellation built in |
| 701 | */ |
| 702 | if ((ret = audio_manager_snd_pcm_open_name( |
| 703 | AUDIO_TYPE_VIDEO_CHAT, |
| 704 | &stream->pb_pcm, &stream->pb_audio_manager_handle, |
| 705 | (char*)"voice", |
| 706 | SND_PCM_OPEN_PLAYBACK)) < 0) |
| 707 | { |
| 708 | TRACE_((THIS_FILE, "audio_manager_snd_pcm_open_name ret = %d", ret)); |
| 709 | return PJMEDIA_EAUD_SYSERR; |
| 710 | } |
| 711 | |
| 712 | /* Required call from January 2013 gold OS release */ |
| 713 | snd_pcm_plugin_set_disable(stream->pb_pcm, PLUGIN_DISABLE_MMAP); |
| 714 | |
| 715 | /* Required call from January 2013 gold OS release */ |
| 716 | snd_pcm_plugin_set_enable(stream->pb_pcm, PLUGIN_ROUTING); |
| 717 | |
| 718 | memset (&pi, 0, sizeof (pi)); |
| 719 | pi.channel = SND_PCM_CHANNEL_PLAYBACK; |
| 720 | if ((ret = snd_pcm_plugin_info (stream->pb_pcm, &pi)) < 0) { |
| 721 | TRACE_((THIS_FILE, "snd_pcm_plugin_info ret = %d", ret)); |
| 722 | return PJMEDIA_EAUD_SYSERR; |
| 723 | } |
| 724 | |
| 725 | memset (&pp, 0, sizeof (pp)); |
| 726 | |
| 727 | /* Request VoIP compatible capabilities */ |
| 728 | pp.mode = SND_PCM_MODE_BLOCK; |
| 729 | pp.channel = SND_PCM_CHANNEL_PLAYBACK; |
| 730 | pp.start_mode = SND_PCM_START_FULL; |
| 731 | pp.stop_mode = SND_PCM_STOP_ROLLOVER; |
| 732 | pp.buf.block.frag_size = param->samples_per_frame * param->bits_per_sample / 8; |
| 733 | /* RIM recommends maximum of 5 */ |
| 734 | pp.buf.block.frags_max = 5; |
| 735 | pp.buf.block.frags_min = 1; |
| 736 | pp.format.interleave = 1; |
| 737 | pp.format.rate = param->clock_rate; |
| 738 | pp.format.voices = param->channel_count; |
| 739 | pp.format.format = get_alsa_pcm_fmt(param); |
| 740 | |
| 741 | /* Make the calls as per the wave sample */ |
| 742 | if ((ret = snd_pcm_plugin_params (stream->pb_pcm, &pp)) < 0) { |
| 743 | TRACE_((THIS_FILE, "snd_pcm_plugin_params ret = %d", ret)); |
| 744 | return PJMEDIA_EAUD_SYSERR; |
| 745 | } |
| 746 | |
| 747 | memset (&setup, 0, sizeof (setup)); |
| 748 | memset (&group, 0, sizeof (group)); |
| 749 | setup.channel = SND_PCM_CHANNEL_PLAYBACK; |
| 750 | setup.mixer_gid = &group.gid; |
| 751 | |
| 752 | if ((ret = snd_pcm_plugin_setup (stream->pb_pcm, &setup)) < 0) { |
| 753 | TRACE_((THIS_FILE, "snd_pcm_plugin_setup ret = %d", ret)); |
| 754 | return PJMEDIA_EAUD_SYSERR; |
| 755 | } |
| 756 | |
| 757 | if (group.gid.name[0] == 0) { |
| 758 | return PJMEDIA_EAUD_SYSERR; |
| 759 | } |
| 760 | |
| 761 | rate = param->clock_rate; |
| 762 | /* Set the sound device buffer size and latency */ |
| 763 | if (param->flags & PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY) { |
| 764 | tmp_buf_size = rate * param->output_latency_ms / 1000; |
| 765 | } else { |
| 766 | tmp_buf_size = rate * PJMEDIA_SND_DEFAULT_PLAY_LATENCY / 1000; |
| 767 | } |
| 768 | /* Set period size to samples_per_frame frames. */ |
| 769 | stream->pb_frames = param->samples_per_frame / param->channel_count; |
| 770 | stream->param.output_latency_ms = tmp_buf_size * 1000 / rate; |
| 771 | |
| 772 | /* Set our buffer */ |
| 773 | stream->pb_buf_size = stream->pb_frames * param->channel_count * |
| 774 | param->bits_per_sample / 8; |
| 775 | stream->pb_buf = (char *) pj_pool_alloc(stream->pool, stream->pb_buf_size); |
| 776 | |
| 777 | TRACE_((THIS_FILE, "bb10_open_playback: pb_frames = %d clock = %d", |
| 778 | stream->pb_frames, param->clock_rate)); |
| 779 | |
| 780 | return PJ_SUCCESS; |
| 781 | } |
| 782 | |
| 783 | static pj_status_t bb10_open_capture (struct bb10_stream *stream, |
| 784 | const pjmedia_aud_param *param) |
| 785 | { |
| 786 | int ret = 0; |
| 787 | unsigned int rate; |
| 788 | unsigned long tmp_buf_size; |
| 789 | int frame_size; |
| 790 | snd_pcm_channel_info_t pi; |
| 791 | snd_mixer_group_t group; |
| 792 | snd_pcm_channel_params_t pp; |
| 793 | snd_pcm_channel_setup_t setup; |
| 794 | |
| 795 | if (param->rec_id < 0 || param->rec_id >= stream->af->dev_cnt) |
| 796 | return PJMEDIA_EAUD_INVDEV; |
| 797 | |
| 798 | PJ_ASSERT_RETURN(param->bits_per_sample == 16, PJMEDIA_EAUD_SAMPFORMAT); |
| 799 | |
| 800 | if ((ret=audio_manager_snd_pcm_open_name(AUDIO_TYPE_VIDEO_CHAT, |
| 801 | &stream->ca_pcm, |
| 802 | &stream->ca_audio_manager_handle, |
| 803 | (char*)"voice", |
| 804 | SND_PCM_OPEN_CAPTURE)) < 0) |
| 805 | { |
| 806 | TRACE_((THIS_FILE, "audio_manager_snd_pcm_open_name ret = %d", ret)); |
| 807 | return PJMEDIA_EAUD_SYSERR; |
| 808 | } |
| 809 | /* Required call from January 2013 gold OS release */ |
| 810 | snd_pcm_plugin_set_disable (stream->ca_pcm, PLUGIN_DISABLE_MMAP); |
| 811 | |
| 812 | /* Required call from January 2013 gold OS release */ |
| 813 | snd_pcm_plugin_set_enable(stream->ca_pcm, PLUGIN_ROUTING); |
| 814 | |
| 815 | /* sample reads the capabilities of the capture */ |
| 816 | memset (&pi, 0, sizeof (pi)); |
| 817 | pi.channel = SND_PCM_CHANNEL_CAPTURE; |
| 818 | if ((ret = snd_pcm_plugin_info (stream->ca_pcm, &pi)) < 0) { |
| 819 | TRACE_((THIS_FILE, "snd_pcm_plugin_info ret = %d", ret)); |
| 820 | return PJMEDIA_EAUD_SYSERR; |
| 821 | } |
| 822 | |
| 823 | /* Request the VoIP parameters |
| 824 | * These parameters are different to waverec sample |
| 825 | */ |
| 826 | memset (&pp, 0, sizeof (pp)); |
| 827 | /* Blocking read */ |
| 828 | pp.mode = SND_PCM_MODE_BLOCK; |
| 829 | pp.channel = SND_PCM_CHANNEL_CAPTURE; |
| 830 | pp.start_mode = SND_PCM_START_FULL; |
| 831 | /* Auto-recover from errors */ |
| 832 | pp.stop_mode = SND_PCM_STOP_ROLLOVER; |
| 833 | pp.buf.block.frag_size = param->samples_per_frame * param->bits_per_sample / 8; |
| 834 | /* From January 2013 gold OS release. RIM recommend these for capture */ |
| 835 | pp.buf.block.frags_max = 3; |
| 836 | pp.buf.block.frags_min = 1; |
| 837 | pp.format.interleave = 1; |
| 838 | pp.format.rate = param->clock_rate; |
| 839 | pp.format.voices = param->channel_count; |
| 840 | pp.format.format = get_alsa_pcm_fmt(param); |
| 841 | |
| 842 | /* make the request */ |
| 843 | if ((ret = snd_pcm_plugin_params (stream->ca_pcm, &pp)) < 0) { |
| 844 | TRACE_((THIS_FILE, "snd_pcm_plugin_params ret = %d", ret)); |
| 845 | return PJMEDIA_EAUD_SYSERR; |
| 846 | } |
| 847 | |
| 848 | /* Again based on the sample */ |
| 849 | memset (&setup, 0, sizeof (setup)); |
| 850 | memset (&group, 0, sizeof (group)); |
| 851 | setup.channel = SND_PCM_CHANNEL_CAPTURE; |
| 852 | setup.mixer_gid = &group.gid; |
| 853 | if ((ret = snd_pcm_plugin_setup (stream->ca_pcm, &setup)) < 0) { |
| 854 | TRACE_((THIS_FILE, "snd_pcm_plugin_setup ret = %d", ret)); |
| 855 | return PJMEDIA_EAUD_SYSERR; |
| 856 | } |
| 857 | |
| 858 | frame_size = setup.buf.block.frag_size; |
| 859 | |
| 860 | if (group.gid.name[0] == 0) { |
| 861 | } else { |
| 862 | } |
| 863 | |
| 864 | frame_size = setup.buf.block.frag_size; |
| 865 | |
| 866 | /* Set clock rate */ |
| 867 | rate = param->clock_rate; |
| 868 | stream->ca_frames = (unsigned long) param->samples_per_frame / |
| 869 | param->channel_count; |
| 870 | |
| 871 | /* Set the sound device buffer size and latency */ |
| 872 | if (param->flags & PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY) { |
| 873 | tmp_buf_size = rate * param->input_latency_ms / 1000; |
| 874 | } else { |
| 875 | tmp_buf_size = rate * PJMEDIA_SND_DEFAULT_REC_LATENCY / 1000; |
| 876 | } |
| 877 | |
| 878 | stream->param.input_latency_ms = tmp_buf_size * 1000 / rate; |
| 879 | |
| 880 | /* Set our buffer */ |
| 881 | stream->ca_buf_size = stream->ca_frames * param->channel_count * |
| 882 | param->bits_per_sample / 8; |
| 883 | stream->ca_buf = (char *)pj_pool_alloc (stream->pool, stream->ca_buf_size); |
| 884 | |
| 885 | TRACE_((THIS_FILE, "bb10_open_capture: ca_frames = %d clock = %d", |
| 886 | stream->ca_frames, param->clock_rate)); |
| 887 | |
| 888 | return PJ_SUCCESS; |
| 889 | } |
| 890 | |
| 891 | |
| 892 | /* API: create stream */ |
| 893 | static pj_status_t bb10_factory_create_stream(pjmedia_aud_dev_factory *f, |
| 894 | const pjmedia_aud_param *param, |
| 895 | pjmedia_aud_rec_cb rec_cb, |
| 896 | pjmedia_aud_play_cb play_cb, |
| 897 | void *user_data, |
| 898 | pjmedia_aud_stream **p_strm) |
| 899 | { |
| 900 | struct bb10_factory *af = (struct bb10_factory*)f; |
| 901 | pj_status_t status; |
| 902 | pj_pool_t* pool; |
| 903 | struct bb10_stream* stream; |
| 904 | |
| 905 | pool = pj_pool_create (af->pf, "bb10%p", 1024, 1024, NULL); |
| 906 | if (!pool) |
| 907 | return PJ_ENOMEM; |
| 908 | |
| 909 | /* Allocate and initialize comon stream data */ |
| 910 | stream = PJ_POOL_ZALLOC_T (pool, struct bb10_stream); |
| 911 | stream->base.op = &bb10_stream_op; |
| 912 | stream->pool = pool; |
| 913 | stream->af = af; |
| 914 | stream->user_data = user_data; |
| 915 | stream->pb_cb = play_cb; |
| 916 | stream->ca_cb = rec_cb; |
| 917 | stream->quit = 0; |
| 918 | pj_memcpy(&stream->param, param, sizeof(*param)); |
| 919 | |
| 920 | /* Init playback */ |
| 921 | if (param->dir & PJMEDIA_DIR_PLAYBACK) { |
| 922 | status = bb10_open_playback (stream, param); |
| 923 | if (status != PJ_SUCCESS) { |
| 924 | pj_pool_release (pool); |
| 925 | return status; |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | /* Init capture */ |
| 930 | if (param->dir & PJMEDIA_DIR_CAPTURE) { |
| 931 | status = bb10_open_capture (stream, param); |
| 932 | if (status != PJ_SUCCESS) { |
| 933 | if (param->dir & PJMEDIA_DIR_PLAYBACK) { |
| 934 | close_play_pcm(stream); |
| 935 | } |
| 936 | pj_pool_release (pool); |
| 937 | return status; |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | /* Set the audio routing ONLY if app explicitly asks one */ |
| 942 | if ((param->dir & PJMEDIA_DIR_PLAYBACK) && |
| 943 | (param->flags & PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE)) |
| 944 | { |
| 945 | status = bb10_stream_set_cap(&stream->base, |
| 946 | PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, |
| 947 | ¶m->output_route); |
| 948 | if (status != PJ_SUCCESS) { |
| 949 | TRACE_((THIS_FILE, "Error setting output route")); |
| 950 | bb10_stream_destroy(&stream->base); |
| 951 | return status; |
| 952 | } |
| 953 | } else { |
| 954 | /* Legacy behavior: if none specified, set to speaker */ |
| 955 | status = bb10_initialize_playback_ctrl(stream, false); |
| 956 | } |
| 957 | |
| 958 | *p_strm = &stream->base; |
| 959 | return PJ_SUCCESS; |
| 960 | } |
| 961 | |
| 962 | |
| 963 | /* |
| 964 | * API: get running parameter |
| 965 | * based on ALSA template |
| 966 | */ |
| 967 | static pj_status_t bb10_stream_get_param(pjmedia_aud_stream *s, |
| 968 | pjmedia_aud_param *pi) |
| 969 | { |
| 970 | struct bb10_stream *stream = (struct bb10_stream*)s; |
| 971 | |
| 972 | PJ_ASSERT_RETURN(s && pi, PJ_EINVAL); |
| 973 | |
| 974 | pj_memcpy(pi, &stream->param, sizeof(*pi)); |
| 975 | |
| 976 | return PJ_SUCCESS; |
| 977 | } |
| 978 | |
| 979 | |
| 980 | /* |
| 981 | * API: get capability |
| 982 | * based on ALSA template |
| 983 | */ |
| 984 | static pj_status_t bb10_stream_get_cap(pjmedia_aud_stream *s, |
| 985 | pjmedia_aud_dev_cap cap, |
| 986 | void *pval) |
| 987 | { |
| 988 | struct bb10_stream *stream = (struct bb10_stream*)s; |
| 989 | |
| 990 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 991 | |
| 992 | if (cap==PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY && |
| 993 | (stream->param.dir & PJMEDIA_DIR_CAPTURE)) |
| 994 | { |
| 995 | /* Recording latency */ |
| 996 | *(unsigned*)pval = stream->param.input_latency_ms; |
| 997 | return PJ_SUCCESS; |
| 998 | |
| 999 | } else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY && |
| 1000 | (stream->param.dir & PJMEDIA_DIR_PLAYBACK)) |
| 1001 | { |
| 1002 | /* Playback latency */ |
| 1003 | *(unsigned*)pval = stream->param.output_latency_ms; |
| 1004 | return PJ_SUCCESS; |
| 1005 | |
| 1006 | } else if (cap==PJMEDIA_AUD_DEV_CAP_EC && |
| 1007 | (stream->param.dir & PJMEDIA_DIR_CAPTURE)) |
| 1008 | { |
| 1009 | /* EC is enablied implicitly by opening "voice" device */ |
| 1010 | *(pj_bool_t*)pval = PJ_TRUE; |
| 1011 | return PJ_SUCCESS; |
| 1012 | } else { |
| 1013 | return PJMEDIA_EAUD_INVCAP; |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | /* |
| 1019 | * API: set capability |
| 1020 | * Currently just supporting toggle between speaker and earpiece |
| 1021 | */ |
| 1022 | static pj_status_t bb10_stream_set_cap(pjmedia_aud_stream *strm, |
| 1023 | pjmedia_aud_dev_cap cap, |
| 1024 | const void *value) |
| 1025 | { |
| 1026 | |
| 1027 | struct bb10_stream *stream = (struct bb10_stream*)strm; |
| 1028 | |
| 1029 | if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE && |
| 1030 | (stream->param.dir & PJMEDIA_DIR_PLAYBACK)) |
| 1031 | { |
| 1032 | pjmedia_aud_dev_route route; |
| 1033 | pj_status_t ret; |
| 1034 | |
| 1035 | PJ_ASSERT_RETURN(value, PJ_EINVAL); |
| 1036 | |
| 1037 | route = *((pjmedia_aud_dev_route*)value); |
| 1038 | /* Use the initialization function which lazy-inits the |
| 1039 | * handle for routing |
| 1040 | */ |
| 1041 | if (route == PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER) { |
| 1042 | ret = bb10_initialize_playback_ctrl(stream,true); |
| 1043 | } else { |
| 1044 | ret = bb10_initialize_playback_ctrl(stream,false); |
| 1045 | } |
| 1046 | return ret; |
| 1047 | |
| 1048 | } else if (cap==PJMEDIA_AUD_DEV_CAP_EC && |
| 1049 | (stream->param.dir & PJMEDIA_DIR_CAPTURE)) |
| 1050 | { |
| 1051 | /* EC is always enabled. Silently ignore the request */ |
| 1052 | return PJ_SUCCESS; |
| 1053 | } |
| 1054 | |
| 1055 | TRACE_((THIS_FILE,"bb10_stream_set_cap() = PJMEDIA_EAUD_INVCAP")); |
| 1056 | return PJMEDIA_EAUD_INVCAP; |
| 1057 | } |
| 1058 | |
| 1059 | |
| 1060 | /* API: start stream */ |
| 1061 | static pj_status_t bb10_stream_start (pjmedia_aud_stream *s) |
| 1062 | { |
| 1063 | struct bb10_stream *stream = (struct bb10_stream*)s; |
| 1064 | pj_status_t status = PJ_SUCCESS; |
| 1065 | |
| 1066 | stream->quit = 0; |
| 1067 | if (stream->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1068 | status = pj_thread_create (stream->pool, |
| 1069 | "bb10sound_playback", |
| 1070 | pb_thread_func, |
| 1071 | stream, |
| 1072 | 0, |
| 1073 | 0, |
| 1074 | &stream->pb_thread); |
| 1075 | if (status != PJ_SUCCESS) |
| 1076 | return status; |
| 1077 | } |
| 1078 | |
| 1079 | if (stream->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1080 | status = pj_thread_create (stream->pool, |
| 1081 | "bb10sound_playback", |
| 1082 | ca_thread_func, |
| 1083 | stream, |
| 1084 | 0, |
| 1085 | 0, |
| 1086 | &stream->ca_thread); |
| 1087 | if (status != PJ_SUCCESS) { |
| 1088 | stream->quit = PJ_TRUE; |
| 1089 | pj_thread_join(stream->pb_thread); |
| 1090 | pj_thread_destroy(stream->pb_thread); |
| 1091 | stream->pb_thread = NULL; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | return status; |
| 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | /* API: stop stream */ |
| 1100 | static pj_status_t bb10_stream_stop (pjmedia_aud_stream *s) |
| 1101 | { |
| 1102 | struct bb10_stream *stream = (struct bb10_stream*)s; |
| 1103 | |
| 1104 | stream->quit = 1; |
| 1105 | TRACE_((THIS_FILE,"bb10_stream_stop()")); |
| 1106 | |
| 1107 | if (stream->pb_thread) { |
| 1108 | pj_thread_join (stream->pb_thread); |
| 1109 | pj_thread_destroy(stream->pb_thread); |
| 1110 | stream->pb_thread = NULL; |
| 1111 | } |
| 1112 | |
| 1113 | if (stream->ca_thread) { |
| 1114 | pj_thread_join (stream->ca_thread); |
| 1115 | pj_thread_destroy(stream->ca_thread); |
| 1116 | stream->ca_thread = NULL; |
| 1117 | } |
| 1118 | |
| 1119 | return PJ_SUCCESS; |
| 1120 | } |
| 1121 | |
| 1122 | static pj_status_t bb10_stream_destroy (pjmedia_aud_stream *s) |
| 1123 | { |
| 1124 | struct bb10_stream *stream = (struct bb10_stream*)s; |
| 1125 | |
| 1126 | TRACE_((THIS_FILE,"bb10_stream_destroy()")); |
| 1127 | |
| 1128 | bb10_stream_stop (s); |
| 1129 | |
| 1130 | pj_pool_release (stream->pool); |
| 1131 | |
| 1132 | return PJ_SUCCESS; |
| 1133 | } |
| 1134 | |
| 1135 | #endif /* PJMEDIA_AUDIO_DEV_HAS_BB10 */ |