Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program 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 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program 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 this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #include <pjmedia-audiodev/audiodev_imp.h> |
| 21 | #include <pjmedia-audiodev/errno.h> |
| 22 | #include <pjmedia/alaw_ulaw.h> |
| 23 | #include <pj/assert.h> |
| 24 | #include <pj/log.h> |
| 25 | #include <pj/math.h> |
| 26 | #include <pj/os.h> |
| 27 | #include <pj/string.h> |
| 28 | |
| 29 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA |
| 30 | |
| 31 | /* |
| 32 | * This file provides sound implementation for Symbian Audio Streaming |
| 33 | * device. Application using this sound abstraction must link with: |
| 34 | * - mediaclientaudiostream.lib, and |
| 35 | * - mediaclientaudioinputstream.lib |
| 36 | */ |
| 37 | #include <mda/common/audio.h> |
| 38 | #include <mdaaudiooutputstream.h> |
| 39 | #include <mdaaudioinputstream.h> |
| 40 | |
| 41 | |
| 42 | #define THIS_FILE "symb_mda_dev.c" |
| 43 | #define BITS_PER_SAMPLE 16 |
| 44 | #define BYTES_PER_SAMPLE (BITS_PER_SAMPLE/8) |
| 45 | |
| 46 | |
| 47 | #if 1 |
| 48 | # define TRACE_(st) PJ_LOG(3, st) |
| 49 | #else |
| 50 | # define TRACE_(st) |
| 51 | #endif |
| 52 | |
| 53 | |
| 54 | /* MDA factory */ |
| 55 | struct mda_factory |
| 56 | { |
| 57 | pjmedia_aud_dev_factory base; |
| 58 | pj_pool_t *pool; |
| 59 | pj_pool_factory *pf; |
| 60 | pjmedia_aud_dev_info dev_info; |
| 61 | }; |
| 62 | |
| 63 | /* Forward declaration of internal engine. */ |
| 64 | class CPjAudioInputEngine; |
| 65 | class CPjAudioOutputEngine; |
| 66 | |
| 67 | /* MDA stream. */ |
| 68 | struct mda_stream |
| 69 | { |
| 70 | // Base |
| 71 | pjmedia_aud_stream base; /**< Base class. */ |
| 72 | |
| 73 | // Pool |
| 74 | pj_pool_t *pool; /**< Memory pool. */ |
| 75 | |
| 76 | // Common settings. |
| 77 | pjmedia_aud_param param; /**< Stream param. */ |
| 78 | |
| 79 | // Audio engine |
| 80 | CPjAudioInputEngine *in_engine; /**< Record engine. */ |
| 81 | CPjAudioOutputEngine *out_engine; /**< Playback engine. */ |
| 82 | }; |
| 83 | |
| 84 | |
| 85 | /* Prototypes */ |
| 86 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f); |
| 87 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f); |
| 88 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f); |
| 89 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f); |
| 90 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 91 | unsigned index, |
| 92 | pjmedia_aud_dev_info *info); |
| 93 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 94 | unsigned index, |
| 95 | pjmedia_aud_param *param); |
| 96 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 97 | const pjmedia_aud_param *param, |
| 98 | pjmedia_aud_rec_cb rec_cb, |
| 99 | pjmedia_aud_play_cb play_cb, |
| 100 | void *user_data, |
| 101 | pjmedia_aud_stream **p_aud_strm); |
| 102 | |
| 103 | static pj_status_t stream_get_param(pjmedia_aud_stream *strm, |
| 104 | pjmedia_aud_param *param); |
| 105 | static pj_status_t stream_get_cap(pjmedia_aud_stream *strm, |
| 106 | pjmedia_aud_dev_cap cap, |
| 107 | void *value); |
| 108 | static pj_status_t stream_set_cap(pjmedia_aud_stream *strm, |
| 109 | pjmedia_aud_dev_cap cap, |
| 110 | const void *value); |
| 111 | static pj_status_t stream_start(pjmedia_aud_stream *strm); |
| 112 | static pj_status_t stream_stop(pjmedia_aud_stream *strm); |
| 113 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm); |
| 114 | |
| 115 | |
| 116 | /* Operations */ |
| 117 | static pjmedia_aud_dev_factory_op factory_op = |
| 118 | { |
| 119 | &factory_init, |
| 120 | &factory_destroy, |
| 121 | &factory_get_dev_count, |
| 122 | &factory_get_dev_info, |
| 123 | &factory_default_param, |
| 124 | &factory_create_stream, |
| 125 | &factory_refresh |
| 126 | }; |
| 127 | |
| 128 | static pjmedia_aud_stream_op stream_op = |
| 129 | { |
| 130 | &stream_get_param, |
| 131 | &stream_get_cap, |
| 132 | &stream_set_cap, |
| 133 | &stream_start, |
| 134 | &stream_stop, |
| 135 | &stream_destroy |
| 136 | }; |
| 137 | |
| 138 | |
| 139 | /* |
| 140 | * Convert clock rate to Symbian's TMdaAudioDataSettings capability. |
| 141 | */ |
| 142 | static TInt get_clock_rate_cap(unsigned clock_rate) |
| 143 | { |
| 144 | switch (clock_rate) { |
| 145 | case 8000: return TMdaAudioDataSettings::ESampleRate8000Hz; |
| 146 | case 11025: return TMdaAudioDataSettings::ESampleRate11025Hz; |
| 147 | case 12000: return TMdaAudioDataSettings::ESampleRate12000Hz; |
| 148 | case 16000: return TMdaAudioDataSettings::ESampleRate16000Hz; |
| 149 | case 22050: return TMdaAudioDataSettings::ESampleRate22050Hz; |
| 150 | case 24000: return TMdaAudioDataSettings::ESampleRate24000Hz; |
| 151 | case 32000: return TMdaAudioDataSettings::ESampleRate32000Hz; |
| 152 | case 44100: return TMdaAudioDataSettings::ESampleRate44100Hz; |
| 153 | case 48000: return TMdaAudioDataSettings::ESampleRate48000Hz; |
| 154 | case 64000: return TMdaAudioDataSettings::ESampleRate64000Hz; |
| 155 | case 96000: return TMdaAudioDataSettings::ESampleRate96000Hz; |
| 156 | default: |
| 157 | return 0; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | /* |
| 162 | * Convert number of channels into Symbian's TMdaAudioDataSettings capability. |
| 163 | */ |
| 164 | static TInt get_channel_cap(unsigned channel_count) |
| 165 | { |
| 166 | switch (channel_count) { |
| 167 | case 1: return TMdaAudioDataSettings::EChannelsMono; |
| 168 | case 2: return TMdaAudioDataSettings::EChannelsStereo; |
| 169 | default: |
| 170 | return 0; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | /* |
| 175 | * Utility: print sound device error |
| 176 | */ |
| 177 | static void snd_perror(const char *title, TInt rc) |
| 178 | { |
| 179 | PJ_LOG(1,(THIS_FILE, "%s: error code %d", title, rc)); |
| 180 | } |
| 181 | |
| 182 | ////////////////////////////////////////////////////////////////////////////// |
| 183 | // |
| 184 | |
| 185 | /* |
| 186 | * Implementation: Symbian Input Stream. |
| 187 | */ |
| 188 | class CPjAudioInputEngine : public CBase, MMdaAudioInputStreamCallback |
| 189 | { |
| 190 | public: |
| 191 | enum State |
| 192 | { |
| 193 | STATE_INACTIVE, |
| 194 | STATE_ACTIVE, |
| 195 | }; |
| 196 | |
| 197 | ~CPjAudioInputEngine(); |
| 198 | |
| 199 | static CPjAudioInputEngine *NewL(struct mda_stream *parent_strm, |
| 200 | pjmedia_aud_rec_cb rec_cb, |
| 201 | void *user_data); |
| 202 | |
| 203 | static CPjAudioInputEngine *NewLC(struct mda_stream *parent_strm, |
| 204 | pjmedia_aud_rec_cb rec_cb, |
| 205 | void *user_data); |
| 206 | |
| 207 | pj_status_t StartRecord(); |
| 208 | void Stop(); |
| 209 | |
| 210 | pj_status_t SetGain(TInt gain) { |
| 211 | if (iInputStream_) { |
| 212 | iInputStream_->SetGain(gain); |
| 213 | return PJ_SUCCESS; |
| 214 | } else |
| 215 | return PJ_EINVALIDOP; |
| 216 | } |
| 217 | |
| 218 | TInt GetGain() { |
| 219 | if (iInputStream_) { |
| 220 | return iInputStream_->Gain(); |
| 221 | } else |
| 222 | return PJ_EINVALIDOP; |
| 223 | } |
| 224 | |
| 225 | TInt GetMaxGain() { |
| 226 | if (iInputStream_) { |
| 227 | return iInputStream_->MaxGain(); |
| 228 | } else |
| 229 | return PJ_EINVALIDOP; |
| 230 | } |
| 231 | |
| 232 | private: |
| 233 | State state_; |
| 234 | struct mda_stream *parentStrm_; |
| 235 | pjmedia_aud_rec_cb recCb_; |
| 236 | void *userData_; |
| 237 | CMdaAudioInputStream *iInputStream_; |
| 238 | HBufC8 *iStreamBuffer_; |
| 239 | TPtr8 iFramePtr_; |
| 240 | TInt lastError_; |
| 241 | pj_uint32_t timeStamp_; |
| 242 | CActiveSchedulerWait startAsw_; |
| 243 | |
| 244 | // cache variable |
| 245 | // to avoid calculating frame length repeatedly |
| 246 | TInt frameLen_; |
| 247 | |
| 248 | // sometimes recorded size != requested framesize, so let's |
| 249 | // provide a buffer to make sure the rec callback returning |
| 250 | // framesize as requested. |
| 251 | TUint8 *frameRecBuf_; |
| 252 | TInt frameRecBufLen_; |
| 253 | |
| 254 | CPjAudioInputEngine(struct mda_stream *parent_strm, |
| 255 | pjmedia_aud_rec_cb rec_cb, |
| 256 | void *user_data); |
| 257 | void ConstructL(); |
| 258 | TPtr8 & GetFrame(); |
| 259 | |
| 260 | public: |
| 261 | virtual void MaiscOpenComplete(TInt aError); |
| 262 | virtual void MaiscBufferCopied(TInt aError, const TDesC8 &aBuffer); |
| 263 | virtual void MaiscRecordComplete(TInt aError); |
| 264 | |
| 265 | }; |
| 266 | |
| 267 | |
| 268 | CPjAudioInputEngine::CPjAudioInputEngine(struct mda_stream *parent_strm, |
| 269 | pjmedia_aud_rec_cb rec_cb, |
| 270 | void *user_data) |
| 271 | : state_(STATE_INACTIVE), parentStrm_(parent_strm), |
| 272 | recCb_(rec_cb), userData_(user_data), |
| 273 | iInputStream_(NULL), iStreamBuffer_(NULL), iFramePtr_(0, 0), |
| 274 | lastError_(KErrNone), timeStamp_(0), |
| 275 | frameLen_(parent_strm->param.samples_per_frame * |
| 276 | BYTES_PER_SAMPLE), |
| 277 | frameRecBuf_(NULL), frameRecBufLen_(0) |
| 278 | { |
| 279 | } |
| 280 | |
| 281 | CPjAudioInputEngine::~CPjAudioInputEngine() |
| 282 | { |
| 283 | Stop(); |
| 284 | |
| 285 | delete iStreamBuffer_; |
| 286 | iStreamBuffer_ = NULL; |
| 287 | |
| 288 | delete [] frameRecBuf_; |
| 289 | frameRecBuf_ = NULL; |
| 290 | frameRecBufLen_ = 0; |
| 291 | } |
| 292 | |
| 293 | void CPjAudioInputEngine::ConstructL() |
| 294 | { |
| 295 | iStreamBuffer_ = HBufC8::NewL(frameLen_); |
| 296 | CleanupStack::PushL(iStreamBuffer_); |
| 297 | |
| 298 | frameRecBuf_ = new TUint8[frameLen_*2]; |
| 299 | CleanupStack::PushL(frameRecBuf_); |
| 300 | } |
| 301 | |
| 302 | CPjAudioInputEngine *CPjAudioInputEngine::NewLC(struct mda_stream *parent, |
| 303 | pjmedia_aud_rec_cb rec_cb, |
| 304 | void *user_data) |
| 305 | { |
| 306 | CPjAudioInputEngine* self = new (ELeave) CPjAudioInputEngine(parent, |
| 307 | rec_cb, |
| 308 | user_data); |
| 309 | CleanupStack::PushL(self); |
| 310 | self->ConstructL(); |
| 311 | return self; |
| 312 | } |
| 313 | |
| 314 | CPjAudioInputEngine *CPjAudioInputEngine::NewL(struct mda_stream *parent, |
| 315 | pjmedia_aud_rec_cb rec_cb, |
| 316 | void *user_data) |
| 317 | { |
| 318 | CPjAudioInputEngine *self = NewLC(parent, rec_cb, user_data); |
| 319 | CleanupStack::Pop(self->frameRecBuf_); |
| 320 | CleanupStack::Pop(self->iStreamBuffer_); |
| 321 | CleanupStack::Pop(self); |
| 322 | return self; |
| 323 | } |
| 324 | |
| 325 | |
| 326 | pj_status_t CPjAudioInputEngine::StartRecord() |
| 327 | { |
| 328 | |
| 329 | // Ignore command if recording is in progress. |
| 330 | if (state_ == STATE_ACTIVE) |
| 331 | return PJ_SUCCESS; |
| 332 | |
| 333 | // According to Nokia's AudioStream example, some 2nd Edition, FP2 devices |
| 334 | // (such as Nokia 6630) require the stream to be reconstructed each time |
| 335 | // before calling Open() - otherwise the callback never gets called. |
| 336 | // For uniform behavior, lets just delete/re-create the stream for all |
| 337 | // devices. |
| 338 | |
| 339 | // Destroy existing stream. |
| 340 | if (iInputStream_) delete iInputStream_; |
| 341 | iInputStream_ = NULL; |
| 342 | |
| 343 | // Create the stream. |
| 344 | TRAPD(err, iInputStream_ = CMdaAudioInputStream::NewL(*this)); |
| 345 | if (err != KErrNone) |
| 346 | return PJ_RETURN_OS_ERROR(err); |
| 347 | |
| 348 | // Initialize settings. |
| 349 | TMdaAudioDataSettings iStreamSettings; |
| 350 | iStreamSettings.iChannels = |
| 351 | get_channel_cap(parentStrm_->param.channel_count); |
| 352 | iStreamSettings.iSampleRate = |
| 353 | get_clock_rate_cap(parentStrm_->param.clock_rate); |
| 354 | |
| 355 | pj_assert(iStreamSettings.iChannels != 0 && |
| 356 | iStreamSettings.iSampleRate != 0); |
| 357 | |
| 358 | PJ_LOG(4,(THIS_FILE, "Opening sound device for capture, " |
| 359 | "clock rate=%d, channel count=%d..", |
| 360 | parentStrm_->param.clock_rate, |
| 361 | parentStrm_->param.channel_count)); |
| 362 | |
| 363 | // Open stream. |
| 364 | lastError_ = KRequestPending; |
| 365 | iInputStream_->Open(&iStreamSettings); |
| 366 | |
| 367 | #if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \ |
| 368 | PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0 |
| 369 | |
| 370 | startAsw_.Start(); |
| 371 | |
| 372 | #endif |
| 373 | |
| 374 | // Success |
| 375 | PJ_LOG(4,(THIS_FILE, "Sound capture started.")); |
| 376 | return PJ_SUCCESS; |
| 377 | } |
| 378 | |
| 379 | |
| 380 | void CPjAudioInputEngine::Stop() |
| 381 | { |
| 382 | // If capture is in progress, stop it. |
| 383 | if (iInputStream_ && state_ == STATE_ACTIVE) { |
| 384 | lastError_ = KRequestPending; |
| 385 | iInputStream_->Stop(); |
| 386 | |
| 387 | // Wait until it's actually stopped |
| 388 | while (lastError_ == KRequestPending) |
| 389 | pj_symbianos_poll(-1, 100); |
| 390 | } |
| 391 | |
| 392 | if (iInputStream_) { |
| 393 | delete iInputStream_; |
| 394 | iInputStream_ = NULL; |
| 395 | } |
| 396 | |
| 397 | if (startAsw_.IsStarted()) { |
| 398 | startAsw_.AsyncStop(); |
| 399 | } |
| 400 | |
| 401 | state_ = STATE_INACTIVE; |
| 402 | } |
| 403 | |
| 404 | |
| 405 | TPtr8 & CPjAudioInputEngine::GetFrame() |
| 406 | { |
| 407 | //iStreamBuffer_->Des().FillZ(frameLen_); |
| 408 | iFramePtr_.Set((TUint8*)(iStreamBuffer_->Ptr()), frameLen_, frameLen_); |
| 409 | return iFramePtr_; |
| 410 | } |
| 411 | |
| 412 | void CPjAudioInputEngine::MaiscOpenComplete(TInt aError) |
| 413 | { |
| 414 | if (startAsw_.IsStarted()) { |
| 415 | startAsw_.AsyncStop(); |
| 416 | } |
| 417 | |
| 418 | lastError_ = aError; |
| 419 | if (aError != KErrNone) { |
| 420 | snd_perror("Error in MaiscOpenComplete()", aError); |
| 421 | return; |
| 422 | } |
| 423 | |
| 424 | /* Apply input volume setting if specified */ |
| 425 | if (parentStrm_->param.flags & |
| 426 | PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING) |
| 427 | { |
| 428 | stream_set_cap(&parentStrm_->base, |
| 429 | PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, |
| 430 | &parentStrm_->param.input_vol); |
| 431 | } |
| 432 | |
| 433 | // set stream priority to normal and time sensitive |
| 434 | iInputStream_->SetPriority(EPriorityNormal, |
| 435 | EMdaPriorityPreferenceTime); |
| 436 | |
| 437 | // Read the first frame. |
| 438 | TPtr8 & frm = GetFrame(); |
| 439 | TRAPD(err2, iInputStream_->ReadL(frm)); |
| 440 | if (err2) { |
| 441 | PJ_LOG(4,(THIS_FILE, "Exception in iInputStream_->ReadL()")); |
| 442 | lastError_ = err2; |
| 443 | return; |
| 444 | } |
| 445 | |
| 446 | // input stream opened succesfully, set status to Active |
| 447 | state_ = STATE_ACTIVE; |
| 448 | } |
| 449 | |
| 450 | void CPjAudioInputEngine::MaiscBufferCopied(TInt aError, |
| 451 | const TDesC8 &aBuffer) |
| 452 | { |
| 453 | lastError_ = aError; |
| 454 | if (aError != KErrNone) { |
| 455 | snd_perror("Error in MaiscBufferCopied()", aError); |
| 456 | return; |
| 457 | } |
| 458 | |
| 459 | if (frameRecBufLen_ || aBuffer.Length() < frameLen_) { |
| 460 | pj_memcpy(frameRecBuf_ + frameRecBufLen_, (void*) aBuffer.Ptr(), aBuffer.Length()); |
| 461 | frameRecBufLen_ += aBuffer.Length(); |
| 462 | } |
| 463 | |
| 464 | if (frameRecBufLen_) { |
| 465 | while (frameRecBufLen_ >= frameLen_) { |
| 466 | pjmedia_frame f; |
| 467 | |
| 468 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 469 | f.buf = frameRecBuf_; |
| 470 | f.size = frameLen_; |
| 471 | f.timestamp.u32.lo = timeStamp_; |
| 472 | f.bit_info = 0; |
| 473 | |
| 474 | // Call the callback. |
| 475 | recCb_(userData_, &f); |
| 476 | // Increment timestamp. |
| 477 | timeStamp_ += parentStrm_->param.samples_per_frame; |
| 478 | |
| 479 | frameRecBufLen_ -= frameLen_; |
| 480 | pj_memmove(frameRecBuf_, frameRecBuf_+frameLen_, frameRecBufLen_); |
| 481 | } |
| 482 | } else { |
| 483 | pjmedia_frame f; |
| 484 | |
| 485 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 486 | f.buf = (void*)aBuffer.Ptr(); |
| 487 | f.size = aBuffer.Length(); |
| 488 | f.timestamp.u32.lo = timeStamp_; |
| 489 | f.bit_info = 0; |
| 490 | |
| 491 | // Call the callback. |
| 492 | recCb_(userData_, &f); |
| 493 | |
| 494 | // Increment timestamp. |
| 495 | timeStamp_ += parentStrm_->param.samples_per_frame; |
| 496 | } |
| 497 | |
| 498 | // Record next frame |
| 499 | TPtr8 & frm = GetFrame(); |
| 500 | TRAPD(err2, iInputStream_->ReadL(frm)); |
| 501 | if (err2) { |
| 502 | PJ_LOG(4,(THIS_FILE, "Exception in iInputStream_->ReadL()")); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | |
| 507 | void CPjAudioInputEngine::MaiscRecordComplete(TInt aError) |
| 508 | { |
| 509 | lastError_ = aError; |
| 510 | state_ = STATE_INACTIVE; |
| 511 | if (aError != KErrNone && aError != KErrCancel) { |
| 512 | snd_perror("Error in MaiscRecordComplete()", aError); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | |
| 517 | |
| 518 | ////////////////////////////////////////////////////////////////////////////// |
| 519 | // |
| 520 | |
| 521 | /* |
| 522 | * Implementation: Symbian Output Stream. |
| 523 | */ |
| 524 | |
| 525 | class CPjAudioOutputEngine : public CBase, MMdaAudioOutputStreamCallback |
| 526 | { |
| 527 | public: |
| 528 | enum State |
| 529 | { |
| 530 | STATE_INACTIVE, |
| 531 | STATE_ACTIVE, |
| 532 | }; |
| 533 | |
| 534 | ~CPjAudioOutputEngine(); |
| 535 | |
| 536 | static CPjAudioOutputEngine *NewL(struct mda_stream *parent_strm, |
| 537 | pjmedia_aud_play_cb play_cb, |
| 538 | void *user_data); |
| 539 | |
| 540 | static CPjAudioOutputEngine *NewLC(struct mda_stream *parent_strm, |
| 541 | pjmedia_aud_play_cb rec_cb, |
| 542 | void *user_data); |
| 543 | |
| 544 | pj_status_t StartPlay(); |
| 545 | void Stop(); |
| 546 | |
| 547 | pj_status_t SetVolume(TInt vol) { |
| 548 | if (iOutputStream_) { |
| 549 | iOutputStream_->SetVolume(vol); |
| 550 | return PJ_SUCCESS; |
| 551 | } else |
| 552 | return PJ_EINVALIDOP; |
| 553 | } |
| 554 | |
| 555 | TInt GetVolume() { |
| 556 | if (iOutputStream_) { |
| 557 | return iOutputStream_->Volume(); |
| 558 | } else |
| 559 | return PJ_EINVALIDOP; |
| 560 | } |
| 561 | |
| 562 | TInt GetMaxVolume() { |
| 563 | if (iOutputStream_) { |
| 564 | return iOutputStream_->MaxVolume(); |
| 565 | } else |
| 566 | return PJ_EINVALIDOP; |
| 567 | } |
| 568 | |
| 569 | private: |
| 570 | State state_; |
| 571 | struct mda_stream *parentStrm_; |
| 572 | pjmedia_aud_play_cb playCb_; |
| 573 | void *userData_; |
| 574 | CMdaAudioOutputStream *iOutputStream_; |
| 575 | TUint8 *frameBuf_; |
| 576 | unsigned frameBufSize_; |
| 577 | TPtrC8 frame_; |
| 578 | TInt lastError_; |
| 579 | unsigned timestamp_; |
| 580 | CActiveSchedulerWait startAsw_; |
| 581 | |
| 582 | CPjAudioOutputEngine(struct mda_stream *parent_strm, |
| 583 | pjmedia_aud_play_cb play_cb, |
| 584 | void *user_data); |
| 585 | void ConstructL(); |
| 586 | |
| 587 | virtual void MaoscOpenComplete(TInt aError); |
| 588 | virtual void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer); |
| 589 | virtual void MaoscPlayComplete(TInt aError); |
| 590 | }; |
| 591 | |
| 592 | |
| 593 | CPjAudioOutputEngine::CPjAudioOutputEngine(struct mda_stream *parent_strm, |
| 594 | pjmedia_aud_play_cb play_cb, |
| 595 | void *user_data) |
| 596 | : state_(STATE_INACTIVE), parentStrm_(parent_strm), playCb_(play_cb), |
| 597 | userData_(user_data), iOutputStream_(NULL), frameBuf_(NULL), |
| 598 | lastError_(KErrNone), timestamp_(0) |
| 599 | { |
| 600 | } |
| 601 | |
| 602 | |
| 603 | void CPjAudioOutputEngine::ConstructL() |
| 604 | { |
| 605 | frameBufSize_ = parentStrm_->param.samples_per_frame * |
| 606 | BYTES_PER_SAMPLE; |
| 607 | frameBuf_ = new TUint8[frameBufSize_]; |
| 608 | } |
| 609 | |
| 610 | CPjAudioOutputEngine::~CPjAudioOutputEngine() |
| 611 | { |
| 612 | Stop(); |
| 613 | delete [] frameBuf_; |
| 614 | } |
| 615 | |
| 616 | CPjAudioOutputEngine * |
| 617 | CPjAudioOutputEngine::NewLC(struct mda_stream *parent_strm, |
| 618 | pjmedia_aud_play_cb play_cb, |
| 619 | void *user_data) |
| 620 | { |
| 621 | CPjAudioOutputEngine* self = new (ELeave) CPjAudioOutputEngine(parent_strm, |
| 622 | play_cb, |
| 623 | user_data); |
| 624 | CleanupStack::PushL(self); |
| 625 | self->ConstructL(); |
| 626 | return self; |
| 627 | } |
| 628 | |
| 629 | CPjAudioOutputEngine * |
| 630 | CPjAudioOutputEngine::NewL(struct mda_stream *parent_strm, |
| 631 | pjmedia_aud_play_cb play_cb, |
| 632 | void *user_data) |
| 633 | { |
| 634 | CPjAudioOutputEngine *self = NewLC(parent_strm, play_cb, user_data); |
| 635 | CleanupStack::Pop(self); |
| 636 | return self; |
| 637 | } |
| 638 | |
| 639 | pj_status_t CPjAudioOutputEngine::StartPlay() |
| 640 | { |
| 641 | // Ignore command if playing is in progress. |
| 642 | if (state_ == STATE_ACTIVE) |
| 643 | return PJ_SUCCESS; |
| 644 | |
| 645 | // Destroy existing stream. |
| 646 | if (iOutputStream_) delete iOutputStream_; |
| 647 | iOutputStream_ = NULL; |
| 648 | |
| 649 | // Create the stream |
| 650 | TRAPD(err, iOutputStream_ = CMdaAudioOutputStream::NewL(*this)); |
| 651 | if (err != KErrNone) |
| 652 | return PJ_RETURN_OS_ERROR(err); |
| 653 | |
| 654 | // Initialize settings. |
| 655 | TMdaAudioDataSettings iStreamSettings; |
| 656 | iStreamSettings.iChannels = |
| 657 | get_channel_cap(parentStrm_->param.channel_count); |
| 658 | iStreamSettings.iSampleRate = |
| 659 | get_clock_rate_cap(parentStrm_->param.clock_rate); |
| 660 | |
| 661 | pj_assert(iStreamSettings.iChannels != 0 && |
| 662 | iStreamSettings.iSampleRate != 0); |
| 663 | |
| 664 | PJ_LOG(4,(THIS_FILE, "Opening sound device for playback, " |
| 665 | "clock rate=%d, channel count=%d..", |
| 666 | parentStrm_->param.clock_rate, |
| 667 | parentStrm_->param.channel_count)); |
| 668 | |
| 669 | // Open stream. |
| 670 | lastError_ = KRequestPending; |
| 671 | iOutputStream_->Open(&iStreamSettings); |
| 672 | |
| 673 | #if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \ |
| 674 | PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0 |
| 675 | |
| 676 | startAsw_.Start(); |
| 677 | |
| 678 | #endif |
| 679 | |
| 680 | // Success |
| 681 | PJ_LOG(4,(THIS_FILE, "Sound playback started")); |
| 682 | return PJ_SUCCESS; |
| 683 | |
| 684 | } |
| 685 | |
| 686 | void CPjAudioOutputEngine::Stop() |
| 687 | { |
| 688 | // Stop stream if it's playing |
| 689 | if (iOutputStream_ && state_ != STATE_INACTIVE) { |
| 690 | lastError_ = KRequestPending; |
| 691 | iOutputStream_->Stop(); |
| 692 | |
| 693 | // Wait until it's actually stopped |
| 694 | while (lastError_ == KRequestPending) |
| 695 | pj_symbianos_poll(-1, 100); |
| 696 | } |
| 697 | |
| 698 | if (iOutputStream_) { |
| 699 | delete iOutputStream_; |
| 700 | iOutputStream_ = NULL; |
| 701 | } |
| 702 | |
| 703 | if (startAsw_.IsStarted()) { |
| 704 | startAsw_.AsyncStop(); |
| 705 | } |
| 706 | |
| 707 | state_ = STATE_INACTIVE; |
| 708 | } |
| 709 | |
| 710 | void CPjAudioOutputEngine::MaoscOpenComplete(TInt aError) |
| 711 | { |
| 712 | if (startAsw_.IsStarted()) { |
| 713 | startAsw_.AsyncStop(); |
| 714 | } |
| 715 | |
| 716 | lastError_ = aError; |
| 717 | |
| 718 | if (aError==KErrNone) { |
| 719 | // set stream properties, 16bit 8KHz mono |
| 720 | TMdaAudioDataSettings iSettings; |
| 721 | iSettings.iChannels = |
| 722 | get_channel_cap(parentStrm_->param.channel_count); |
| 723 | iSettings.iSampleRate = |
| 724 | get_clock_rate_cap(parentStrm_->param.clock_rate); |
| 725 | |
| 726 | iOutputStream_->SetAudioPropertiesL(iSettings.iSampleRate, |
| 727 | iSettings.iChannels); |
| 728 | |
| 729 | /* Apply output volume setting if specified */ |
| 730 | if (parentStrm_->param.flags & |
| 731 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) |
| 732 | { |
| 733 | stream_set_cap(&parentStrm_->base, |
| 734 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 735 | &parentStrm_->param.output_vol); |
| 736 | } else { |
| 737 | // set volume to 1/2th of stream max volume |
| 738 | iOutputStream_->SetVolume(iOutputStream_->MaxVolume()/2); |
| 739 | } |
| 740 | |
| 741 | // set stream priority to normal and time sensitive |
| 742 | iOutputStream_->SetPriority(EPriorityNormal, |
| 743 | EMdaPriorityPreferenceTime); |
| 744 | |
| 745 | // Call callback to retrieve frame from upstream. |
| 746 | pjmedia_frame f; |
| 747 | pj_status_t status; |
| 748 | |
| 749 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 750 | f.buf = frameBuf_; |
| 751 | f.size = frameBufSize_; |
| 752 | f.timestamp.u32.lo = timestamp_; |
| 753 | f.bit_info = 0; |
| 754 | |
| 755 | status = playCb_(this->userData_, &f); |
| 756 | if (status != PJ_SUCCESS) { |
| 757 | this->Stop(); |
| 758 | return; |
| 759 | } |
| 760 | |
| 761 | if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) |
| 762 | pj_bzero(frameBuf_, frameBufSize_); |
| 763 | |
| 764 | // Increment timestamp. |
| 765 | timestamp_ += (frameBufSize_ / BYTES_PER_SAMPLE); |
| 766 | |
| 767 | // issue WriteL() to write the first audio data block, |
| 768 | // subsequent calls to WriteL() will be issued in |
| 769 | // MMdaAudioOutputStreamCallback::MaoscBufferCopied() |
| 770 | // until whole data buffer is written. |
| 771 | frame_.Set(frameBuf_, frameBufSize_); |
| 772 | iOutputStream_->WriteL(frame_); |
| 773 | |
| 774 | // output stream opened succesfully, set status to Active |
| 775 | state_ = STATE_ACTIVE; |
| 776 | } else { |
| 777 | snd_perror("Error in MaoscOpenComplete()", aError); |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | void CPjAudioOutputEngine::MaoscBufferCopied(TInt aError, |
| 782 | const TDesC8& aBuffer) |
| 783 | { |
| 784 | PJ_UNUSED_ARG(aBuffer); |
| 785 | |
| 786 | if (aError==KErrNone) { |
| 787 | // Buffer successfully written, feed another one. |
| 788 | |
| 789 | // Call callback to retrieve frame from upstream. |
| 790 | pjmedia_frame f; |
| 791 | pj_status_t status; |
| 792 | |
| 793 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 794 | f.buf = frameBuf_; |
| 795 | f.size = frameBufSize_; |
| 796 | f.timestamp.u32.lo = timestamp_; |
| 797 | f.bit_info = 0; |
| 798 | |
| 799 | status = playCb_(this->userData_, &f); |
| 800 | if (status != PJ_SUCCESS) { |
| 801 | this->Stop(); |
| 802 | return; |
| 803 | } |
| 804 | |
| 805 | if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) |
| 806 | pj_bzero(frameBuf_, frameBufSize_); |
| 807 | |
| 808 | // Increment timestamp. |
| 809 | timestamp_ += (frameBufSize_ / BYTES_PER_SAMPLE); |
| 810 | |
| 811 | // Write to playback stream. |
| 812 | frame_.Set(frameBuf_, frameBufSize_); |
| 813 | iOutputStream_->WriteL(frame_); |
| 814 | |
| 815 | } else if (aError==KErrAbort) { |
| 816 | // playing was aborted, due to call to CMdaAudioOutputStream::Stop() |
| 817 | state_ = STATE_INACTIVE; |
| 818 | } else { |
| 819 | // error writing data to output |
| 820 | lastError_ = aError; |
| 821 | state_ = STATE_INACTIVE; |
| 822 | snd_perror("Error in MaoscBufferCopied()", aError); |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | void CPjAudioOutputEngine::MaoscPlayComplete(TInt aError) |
| 827 | { |
| 828 | lastError_ = aError; |
| 829 | state_ = STATE_INACTIVE; |
| 830 | if (aError != KErrNone && aError != KErrCancel) { |
| 831 | snd_perror("Error in MaoscPlayComplete()", aError); |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | /**************************************************************************** |
| 836 | * Factory operations |
| 837 | */ |
| 838 | |
| 839 | /* |
| 840 | * C compatible declaration of MDA factory. |
| 841 | */ |
| 842 | PJ_BEGIN_DECL |
| 843 | PJ_DECL(pjmedia_aud_dev_factory*) pjmedia_symb_mda_factory(pj_pool_factory *pf); |
| 844 | PJ_END_DECL |
| 845 | |
| 846 | /* |
| 847 | * Init Symbian audio driver. |
| 848 | */ |
| 849 | pjmedia_aud_dev_factory* pjmedia_symb_mda_factory(pj_pool_factory *pf) |
| 850 | { |
| 851 | struct mda_factory *f; |
| 852 | pj_pool_t *pool; |
| 853 | |
| 854 | pool = pj_pool_create(pf, "symb_aud", 1000, 1000, NULL); |
| 855 | f = PJ_POOL_ZALLOC_T(pool, struct mda_factory); |
| 856 | f->pf = pf; |
| 857 | f->pool = pool; |
| 858 | f->base.op = &factory_op; |
| 859 | |
| 860 | return &f->base; |
| 861 | } |
| 862 | |
| 863 | /* API: init factory */ |
| 864 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f) |
| 865 | { |
| 866 | struct mda_factory *af = (struct mda_factory*)f; |
| 867 | |
| 868 | pj_ansi_strcpy(af->dev_info.name, "Symbian Audio"); |
| 869 | af->dev_info.default_samples_per_sec = 8000; |
| 870 | af->dev_info.caps = PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING | |
| 871 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| 872 | af->dev_info.input_count = 1; |
| 873 | af->dev_info.output_count = 1; |
| 874 | |
| 875 | PJ_LOG(4, (THIS_FILE, "Symb Mda initialized")); |
| 876 | |
| 877 | return PJ_SUCCESS; |
| 878 | } |
| 879 | |
| 880 | /* API: destroy factory */ |
| 881 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f) |
| 882 | { |
| 883 | struct mda_factory *af = (struct mda_factory*)f; |
| 884 | pj_pool_t *pool = af->pool; |
| 885 | |
| 886 | af->pool = NULL; |
| 887 | pj_pool_release(pool); |
| 888 | |
| 889 | PJ_LOG(4, (THIS_FILE, "Symbian Mda destroyed")); |
| 890 | |
| 891 | return PJ_SUCCESS; |
| 892 | } |
| 893 | |
| 894 | /* API: refresh the device list */ |
| 895 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f) |
| 896 | { |
| 897 | PJ_UNUSED_ARG(f); |
| 898 | return PJ_ENOTSUP; |
| 899 | } |
| 900 | |
| 901 | /* API: get number of devices */ |
| 902 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f) |
| 903 | { |
| 904 | PJ_UNUSED_ARG(f); |
| 905 | return 1; |
| 906 | } |
| 907 | |
| 908 | /* API: get device info */ |
| 909 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 910 | unsigned index, |
| 911 | pjmedia_aud_dev_info *info) |
| 912 | { |
| 913 | struct mda_factory *af = (struct mda_factory*)f; |
| 914 | |
| 915 | PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| 916 | |
| 917 | pj_memcpy(info, &af->dev_info, sizeof(*info)); |
| 918 | |
| 919 | return PJ_SUCCESS; |
| 920 | } |
| 921 | |
| 922 | /* API: create default device parameter */ |
| 923 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 924 | unsigned index, |
| 925 | pjmedia_aud_param *param) |
| 926 | { |
| 927 | struct mda_factory *af = (struct mda_factory*)f; |
| 928 | |
| 929 | PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| 930 | |
| 931 | pj_bzero(param, sizeof(*param)); |
| 932 | param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| 933 | param->rec_id = index; |
| 934 | param->play_id = index; |
| 935 | param->clock_rate = af->dev_info.default_samples_per_sec; |
| 936 | param->channel_count = 1; |
| 937 | param->samples_per_frame = af->dev_info.default_samples_per_sec * 20 / 1000; |
| 938 | param->bits_per_sample = BITS_PER_SAMPLE; |
| 939 | // Don't set the flags without specifying the flags value. |
| 940 | //param->flags = af->dev_info.caps; |
| 941 | |
| 942 | return PJ_SUCCESS; |
| 943 | } |
| 944 | |
| 945 | |
| 946 | /* API: create stream */ |
| 947 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 948 | const pjmedia_aud_param *param, |
| 949 | pjmedia_aud_rec_cb rec_cb, |
| 950 | pjmedia_aud_play_cb play_cb, |
| 951 | void *user_data, |
| 952 | pjmedia_aud_stream **p_aud_strm) |
| 953 | { |
| 954 | struct mda_factory *mf = (struct mda_factory*)f; |
| 955 | pj_pool_t *pool; |
| 956 | struct mda_stream *strm; |
| 957 | |
| 958 | /* Can only support 16bits per sample raw PCM format. */ |
| 959 | PJ_ASSERT_RETURN(param->bits_per_sample == BITS_PER_SAMPLE, PJ_EINVAL); |
| 960 | PJ_ASSERT_RETURN((param->flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT)==0 || |
| 961 | param->ext_fmt.id == PJMEDIA_FORMAT_L16, |
| 962 | PJ_ENOTSUP); |
| 963 | |
| 964 | /* It seems that MDA recorder only supports for mono channel. */ |
| 965 | PJ_ASSERT_RETURN(param->channel_count == 1, PJ_EINVAL); |
| 966 | |
| 967 | /* Create and Initialize stream descriptor */ |
| 968 | pool = pj_pool_create(mf->pf, "symb_aud_dev", 1000, 1000, NULL); |
| 969 | PJ_ASSERT_RETURN(pool, PJ_ENOMEM); |
| 970 | |
| 971 | strm = PJ_POOL_ZALLOC_T(pool, struct mda_stream); |
| 972 | strm->pool = pool; |
| 973 | strm->param = *param; |
| 974 | |
| 975 | // Create the output stream. |
| 976 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 977 | TRAPD(err, strm->out_engine = CPjAudioOutputEngine::NewL(strm, play_cb, |
| 978 | user_data)); |
| 979 | if (err != KErrNone) { |
| 980 | pj_pool_release(pool); |
| 981 | return PJ_RETURN_OS_ERROR(err); |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | // Create the input stream. |
| 986 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 987 | TRAPD(err, strm->in_engine = CPjAudioInputEngine::NewL(strm, rec_cb, |
| 988 | user_data)); |
| 989 | if (err != KErrNone) { |
| 990 | strm->in_engine = NULL; |
| 991 | delete strm->out_engine; |
| 992 | strm->out_engine = NULL; |
| 993 | pj_pool_release(pool); |
| 994 | return PJ_RETURN_OS_ERROR(err); |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | /* Done */ |
| 999 | strm->base.op = &stream_op; |
| 1000 | *p_aud_strm = &strm->base; |
| 1001 | |
| 1002 | return PJ_SUCCESS; |
| 1003 | } |
| 1004 | |
| 1005 | /* API: Get stream info. */ |
| 1006 | static pj_status_t stream_get_param(pjmedia_aud_stream *s, |
| 1007 | pjmedia_aud_param *pi) |
| 1008 | { |
| 1009 | struct mda_stream *strm = (struct mda_stream*)s; |
| 1010 | |
| 1011 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 1012 | |
| 1013 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 1014 | |
| 1015 | /* Update the output volume setting */ |
| 1016 | if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 1017 | &pi->output_vol) == PJ_SUCCESS) |
| 1018 | { |
| 1019 | pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| 1020 | } |
| 1021 | |
| 1022 | /* Update the input volume setting */ |
| 1023 | if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, |
| 1024 | &pi->input_vol) == PJ_SUCCESS) |
| 1025 | { |
| 1026 | pi->flags |= PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING; |
| 1027 | } |
| 1028 | |
| 1029 | return PJ_SUCCESS; |
| 1030 | } |
| 1031 | |
| 1032 | /* API: get capability */ |
| 1033 | static pj_status_t stream_get_cap(pjmedia_aud_stream *s, |
| 1034 | pjmedia_aud_dev_cap cap, |
| 1035 | void *pval) |
| 1036 | { |
| 1037 | struct mda_stream *strm = (struct mda_stream*)s; |
| 1038 | pj_status_t status = PJ_ENOTSUP; |
| 1039 | |
| 1040 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1041 | |
| 1042 | switch (cap) { |
| 1043 | case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| 1044 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1045 | PJ_ASSERT_RETURN(strm->in_engine, PJ_EINVAL); |
| 1046 | |
| 1047 | TInt max_gain = strm->in_engine->GetMaxGain(); |
| 1048 | TInt gain = strm->in_engine->GetGain(); |
| 1049 | |
| 1050 | if (max_gain > 0 && gain >= 0) { |
| 1051 | *(unsigned*)pval = gain * 100 / max_gain; |
| 1052 | status = PJ_SUCCESS; |
| 1053 | } else { |
| 1054 | status = PJMEDIA_EAUD_NOTREADY; |
| 1055 | } |
| 1056 | } |
| 1057 | break; |
| 1058 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| 1059 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1060 | PJ_ASSERT_RETURN(strm->out_engine, PJ_EINVAL); |
| 1061 | |
| 1062 | TInt max_vol = strm->out_engine->GetMaxVolume(); |
| 1063 | TInt vol = strm->out_engine->GetVolume(); |
| 1064 | |
| 1065 | if (max_vol > 0 && vol >= 0) { |
| 1066 | *(unsigned*)pval = vol * 100 / max_vol; |
| 1067 | status = PJ_SUCCESS; |
| 1068 | } else { |
| 1069 | status = PJMEDIA_EAUD_NOTREADY; |
| 1070 | } |
| 1071 | } |
| 1072 | break; |
| 1073 | default: |
| 1074 | break; |
| 1075 | } |
| 1076 | |
| 1077 | return status; |
| 1078 | } |
| 1079 | |
| 1080 | /* API: set capability */ |
| 1081 | static pj_status_t stream_set_cap(pjmedia_aud_stream *s, |
| 1082 | pjmedia_aud_dev_cap cap, |
| 1083 | const void *pval) |
| 1084 | { |
| 1085 | struct mda_stream *strm = (struct mda_stream*)s; |
| 1086 | pj_status_t status = PJ_ENOTSUP; |
| 1087 | |
| 1088 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1089 | |
| 1090 | switch (cap) { |
| 1091 | case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| 1092 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1093 | PJ_ASSERT_RETURN(strm->in_engine, PJ_EINVAL); |
| 1094 | |
| 1095 | TInt max_gain = strm->in_engine->GetMaxGain(); |
| 1096 | if (max_gain > 0) { |
| 1097 | TInt gain; |
| 1098 | |
| 1099 | gain = *(unsigned*)pval * max_gain / 100; |
| 1100 | status = strm->in_engine->SetGain(gain); |
| 1101 | } else { |
| 1102 | status = PJMEDIA_EAUD_NOTREADY; |
| 1103 | } |
| 1104 | } |
| 1105 | break; |
| 1106 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| 1107 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1108 | PJ_ASSERT_RETURN(strm->out_engine, PJ_EINVAL); |
| 1109 | |
| 1110 | TInt max_vol = strm->out_engine->GetMaxVolume(); |
| 1111 | if (max_vol > 0) { |
| 1112 | TInt vol; |
| 1113 | |
| 1114 | vol = *(unsigned*)pval * max_vol / 100; |
| 1115 | status = strm->out_engine->SetVolume(vol); |
| 1116 | } else { |
| 1117 | status = PJMEDIA_EAUD_NOTREADY; |
| 1118 | } |
| 1119 | } |
| 1120 | break; |
| 1121 | default: |
| 1122 | break; |
| 1123 | } |
| 1124 | |
| 1125 | return status; |
| 1126 | } |
| 1127 | |
| 1128 | /* API: Start stream. */ |
| 1129 | static pj_status_t stream_start(pjmedia_aud_stream *strm) |
| 1130 | { |
| 1131 | struct mda_stream *stream = (struct mda_stream*)strm; |
| 1132 | |
| 1133 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1134 | |
| 1135 | if (stream->out_engine) { |
| 1136 | pj_status_t status; |
| 1137 | status = stream->out_engine->StartPlay(); |
| 1138 | if (status != PJ_SUCCESS) |
| 1139 | return status; |
| 1140 | } |
| 1141 | |
| 1142 | if (stream->in_engine) { |
| 1143 | pj_status_t status; |
| 1144 | status = stream->in_engine->StartRecord(); |
| 1145 | if (status != PJ_SUCCESS) |
| 1146 | return status; |
| 1147 | } |
| 1148 | |
| 1149 | return PJ_SUCCESS; |
| 1150 | } |
| 1151 | |
| 1152 | /* API: Stop stream. */ |
| 1153 | static pj_status_t stream_stop(pjmedia_aud_stream *strm) |
| 1154 | { |
| 1155 | struct mda_stream *stream = (struct mda_stream*)strm; |
| 1156 | |
| 1157 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1158 | |
| 1159 | if (stream->in_engine) { |
| 1160 | stream->in_engine->Stop(); |
| 1161 | } |
| 1162 | |
| 1163 | if (stream->out_engine) { |
| 1164 | stream->out_engine->Stop(); |
| 1165 | } |
| 1166 | |
| 1167 | return PJ_SUCCESS; |
| 1168 | } |
| 1169 | |
| 1170 | |
| 1171 | /* API: Destroy stream. */ |
| 1172 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm) |
| 1173 | { |
| 1174 | struct mda_stream *stream = (struct mda_stream*)strm; |
| 1175 | |
| 1176 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1177 | |
| 1178 | stream_stop(strm); |
| 1179 | |
| 1180 | delete stream->in_engine; |
| 1181 | stream->in_engine = NULL; |
| 1182 | |
| 1183 | delete stream->out_engine; |
| 1184 | stream->out_engine = NULL; |
| 1185 | |
| 1186 | pj_pool_t *pool; |
| 1187 | pool = stream->pool; |
| 1188 | if (pool) { |
| 1189 | stream->pool = NULL; |
| 1190 | pj_pool_release(pool); |
| 1191 | } |
| 1192 | |
| 1193 | return PJ_SUCCESS; |
| 1194 | } |
| 1195 | |
| 1196 | #endif /* PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA */ |