Alexandre Lision | 8af73cb | 2013-12-10 14:11:20 -0500 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2009-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pjmedia-audiodev/audiodev_imp.h> |
| 20 | #include <pjmedia-audiodev/errno.h> |
| 21 | #include <pjmedia/alaw_ulaw.h> |
| 22 | #include <pjmedia/resample.h> |
| 23 | #include <pjmedia/stereo.h> |
| 24 | #include <pj/assert.h> |
| 25 | #include <pj/log.h> |
| 26 | #include <pj/math.h> |
| 27 | #include <pj/os.h> |
| 28 | #include <pj/string.h> |
| 29 | |
| 30 | #if PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS |
| 31 | |
| 32 | /* VAS headers */ |
| 33 | #include <VoIPUtilityFactory.h> |
| 34 | #include <VoIPDownlinkStream.h> |
| 35 | #include <VoIPUplinkStream.h> |
| 36 | #include <VoIPFormatIntfc.h> |
| 37 | #include <VoIPG711DecoderIntfc.h> |
| 38 | #include <VoIPG711EncoderIntfc.h> |
| 39 | #include <VoIPG729DecoderIntfc.h> |
| 40 | #include <VoIPILBCDecoderIntfc.h> |
| 41 | #include <VoIPILBCEncoderIntfc.h> |
| 42 | |
| 43 | /* AMR helper */ |
| 44 | #include <pjmedia-codec/amr_helper.h> |
| 45 | |
| 46 | /* Pack/unpack G.729 frame of S60 DSP codec, taken from: |
| 47 | * http://wiki.forum.nokia.com/index.php/TSS000776_-_Payload_conversion_for_G.729_audio_format |
| 48 | */ |
| 49 | #include "s60_g729_bitstream.h" |
| 50 | |
| 51 | |
| 52 | #define THIS_FILE "symb_vas_dev.c" |
| 53 | #define BITS_PER_SAMPLE 16 |
| 54 | |
| 55 | |
| 56 | /* When this macro is set, VAS will use EPCM16 format for PCM input/output, |
| 57 | * otherwise VAS will use EG711 then transcode it to PCM. |
| 58 | * Note that using native EPCM16 format may introduce (much) delay. |
| 59 | */ |
| 60 | //#define USE_NATIVE_PCM |
| 61 | |
| 62 | #if 1 |
| 63 | # define TRACE_(st) PJ_LOG(3, st) |
| 64 | #else |
| 65 | # define TRACE_(st) |
| 66 | #endif |
| 67 | |
| 68 | /* VAS G.711 frame length */ |
| 69 | static pj_uint8_t vas_g711_frame_len; |
| 70 | |
| 71 | |
| 72 | /* VAS factory */ |
| 73 | struct vas_factory |
| 74 | { |
| 75 | pjmedia_aud_dev_factory base; |
| 76 | pj_pool_t *pool; |
| 77 | pj_pool_factory *pf; |
| 78 | pjmedia_aud_dev_info dev_info; |
| 79 | }; |
| 80 | |
| 81 | |
| 82 | /* Forward declaration of CPjAudioEngine */ |
| 83 | class CPjAudioEngine; |
| 84 | |
| 85 | |
| 86 | /* VAS stream. */ |
| 87 | struct vas_stream |
| 88 | { |
| 89 | // Base |
| 90 | pjmedia_aud_stream base; /**< Base class. */ |
| 91 | |
| 92 | // Pool |
| 93 | pj_pool_t *pool; /**< Memory pool. */ |
| 94 | |
| 95 | // Common settings. |
| 96 | pjmedia_aud_param param; /**< Stream param. */ |
| 97 | pjmedia_aud_rec_cb rec_cb; /**< Record callback. */ |
| 98 | pjmedia_aud_play_cb play_cb; /**< Playback callback. */ |
| 99 | void *user_data; /**< Application data. */ |
| 100 | |
| 101 | // Audio engine |
| 102 | CPjAudioEngine *engine; /**< Internal engine. */ |
| 103 | |
| 104 | pj_timestamp ts_play; /**< Playback timestamp.*/ |
| 105 | pj_timestamp ts_rec; /**< Record timestamp. */ |
| 106 | |
| 107 | pj_int16_t *play_buf; /**< Playback buffer. */ |
| 108 | pj_uint16_t play_buf_len; /**< Playback buffer length. */ |
| 109 | pj_uint16_t play_buf_start; /**< Playback buffer start index. */ |
| 110 | pj_int16_t *rec_buf; /**< Record buffer. */ |
| 111 | pj_uint16_t rec_buf_len; /**< Record buffer length. */ |
| 112 | void *strm_data; /**< Stream data. */ |
| 113 | |
| 114 | /* Resampling is needed, in case audio device is opened with clock rate |
| 115 | * other than 8kHz (only for PCM format). |
| 116 | */ |
| 117 | pjmedia_resample *play_resample; /**< Resampler for playback. */ |
| 118 | pjmedia_resample *rec_resample; /**< Resampler for recording */ |
| 119 | pj_uint16_t resample_factor; /**< Resample factor, requested |
| 120 | clock rate / 8000 */ |
| 121 | |
| 122 | /* When stream is working in PCM format, where the samples may need to be |
| 123 | * resampled from/to different clock rate and/or channel count, PCM buffer |
| 124 | * is needed to perform such resampling operations. |
| 125 | */ |
| 126 | pj_int16_t *pcm_buf; /**< PCM buffer. */ |
| 127 | }; |
| 128 | |
| 129 | |
| 130 | /* Prototypes */ |
| 131 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f); |
| 132 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f); |
| 133 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f); |
| 134 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f); |
| 135 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 136 | unsigned index, |
| 137 | pjmedia_aud_dev_info *info); |
| 138 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 139 | unsigned index, |
| 140 | pjmedia_aud_param *param); |
| 141 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 142 | const pjmedia_aud_param *param, |
| 143 | pjmedia_aud_rec_cb rec_cb, |
| 144 | pjmedia_aud_play_cb play_cb, |
| 145 | void *user_data, |
| 146 | pjmedia_aud_stream **p_aud_strm); |
| 147 | |
| 148 | static pj_status_t stream_get_param(pjmedia_aud_stream *strm, |
| 149 | pjmedia_aud_param *param); |
| 150 | static pj_status_t stream_get_cap(pjmedia_aud_stream *strm, |
| 151 | pjmedia_aud_dev_cap cap, |
| 152 | void *value); |
| 153 | static pj_status_t stream_set_cap(pjmedia_aud_stream *strm, |
| 154 | pjmedia_aud_dev_cap cap, |
| 155 | const void *value); |
| 156 | static pj_status_t stream_start(pjmedia_aud_stream *strm); |
| 157 | static pj_status_t stream_stop(pjmedia_aud_stream *strm); |
| 158 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm); |
| 159 | |
| 160 | |
| 161 | /* Operations */ |
| 162 | static pjmedia_aud_dev_factory_op factory_op = |
| 163 | { |
| 164 | &factory_init, |
| 165 | &factory_destroy, |
| 166 | &factory_get_dev_count, |
| 167 | &factory_get_dev_info, |
| 168 | &factory_default_param, |
| 169 | &factory_create_stream, |
| 170 | &factory_refresh |
| 171 | }; |
| 172 | |
| 173 | static pjmedia_aud_stream_op stream_op = |
| 174 | { |
| 175 | &stream_get_param, |
| 176 | &stream_get_cap, |
| 177 | &stream_set_cap, |
| 178 | &stream_start, |
| 179 | &stream_stop, |
| 180 | &stream_destroy |
| 181 | }; |
| 182 | |
| 183 | |
| 184 | /**************************************************************************** |
| 185 | * Internal VAS Engine |
| 186 | */ |
| 187 | |
| 188 | /* |
| 189 | * Utility: print sound device error |
| 190 | */ |
| 191 | static void snd_perror(const char *title, TInt rc) |
| 192 | { |
| 193 | PJ_LOG(1,(THIS_FILE, "%s (error code=%d)", title, rc)); |
| 194 | } |
| 195 | |
| 196 | typedef void(*PjAudioCallback)(CVoIPDataBuffer *buf, void *user_data); |
| 197 | |
| 198 | /* |
| 199 | * Audio setting for CPjAudioEngine. |
| 200 | */ |
| 201 | class CPjAudioSetting |
| 202 | { |
| 203 | public: |
| 204 | TVoIPCodecFormat format; |
| 205 | TInt mode; |
| 206 | TBool plc; |
| 207 | TBool vad; |
| 208 | TBool cng; |
| 209 | TBool loudspk; |
| 210 | }; |
| 211 | |
| 212 | /* |
| 213 | * Implementation: Symbian Input & Output Stream. |
| 214 | */ |
| 215 | class CPjAudioEngine : public CBase, |
| 216 | public MVoIPDownlinkObserver, |
| 217 | public MVoIPUplinkObserver, |
| 218 | public MVoIPFormatObserver |
| 219 | { |
| 220 | public: |
| 221 | enum State |
| 222 | { |
| 223 | STATE_NULL, |
| 224 | STATE_STARTING, |
| 225 | STATE_READY, |
| 226 | STATE_STREAMING |
| 227 | }; |
| 228 | |
| 229 | ~CPjAudioEngine(); |
| 230 | |
| 231 | static CPjAudioEngine *NewL(struct vas_stream *parent_strm, |
| 232 | PjAudioCallback rec_cb, |
| 233 | PjAudioCallback play_cb, |
| 234 | void *user_data, |
| 235 | const CPjAudioSetting &setting); |
| 236 | |
| 237 | TInt Start(); |
| 238 | void Stop(); |
| 239 | |
| 240 | TInt ActivateSpeaker(TBool active); |
| 241 | |
| 242 | TInt SetVolume(TInt vol) { return iVoIPDnlink->SetVolume(vol); } |
| 243 | TInt GetVolume() { TInt vol;iVoIPDnlink->GetVolume(vol);return vol; } |
| 244 | TInt GetMaxVolume() { TInt vol;iVoIPDnlink->GetMaxVolume(vol);return vol; } |
| 245 | |
| 246 | TInt SetGain(TInt gain) { return iVoIPUplink->SetGain(gain); } |
| 247 | TInt GetGain() { TInt gain;iVoIPUplink->GetGain(gain);return gain; } |
| 248 | TInt GetMaxGain() { TInt gain;iVoIPUplink->GetMaxGain(gain);return gain; } |
| 249 | |
| 250 | TBool IsStarted(); |
| 251 | |
| 252 | private: |
| 253 | CPjAudioEngine(struct vas_stream *parent_strm, |
| 254 | PjAudioCallback rec_cb, |
| 255 | PjAudioCallback play_cb, |
| 256 | void *user_data, |
| 257 | const CPjAudioSetting &setting); |
| 258 | void ConstructL(); |
| 259 | |
| 260 | TInt InitPlay(); |
| 261 | TInt InitRec(); |
| 262 | |
| 263 | TInt StartPlay(); |
| 264 | TInt StartRec(); |
| 265 | |
| 266 | // From MVoIPDownlinkObserver |
| 267 | void FillBuffer(const CVoIPAudioDownlinkStream& aSrc, |
| 268 | CVoIPDataBuffer* aBuffer); |
| 269 | void Event(const CVoIPAudioDownlinkStream& aSrc, |
| 270 | TInt aEventType, |
| 271 | TInt aError); |
| 272 | |
| 273 | // From MVoIPUplinkObserver |
| 274 | void EmptyBuffer(const CVoIPAudioUplinkStream& aSrc, |
| 275 | CVoIPDataBuffer* aBuffer); |
| 276 | void Event(const CVoIPAudioUplinkStream& aSrc, |
| 277 | TInt aEventType, |
| 278 | TInt aError); |
| 279 | |
| 280 | // From MVoIPFormatObserver |
| 281 | void Event(const CVoIPFormatIntfc& aSrc, TInt aEventType); |
| 282 | |
| 283 | State dn_state_; |
| 284 | State up_state_; |
| 285 | struct vas_stream *parentStrm_; |
| 286 | CPjAudioSetting setting_; |
| 287 | PjAudioCallback rec_cb_; |
| 288 | PjAudioCallback play_cb_; |
| 289 | void *user_data_; |
| 290 | |
| 291 | // VAS objects |
| 292 | CVoIPUtilityFactory *iFactory; |
| 293 | CVoIPAudioDownlinkStream *iVoIPDnlink; |
| 294 | CVoIPAudioUplinkStream *iVoIPUplink; |
| 295 | CVoIPFormatIntfc *enc_fmt_if; |
| 296 | CVoIPFormatIntfc *dec_fmt_if; |
| 297 | }; |
| 298 | |
| 299 | |
| 300 | CPjAudioEngine* CPjAudioEngine::NewL(struct vas_stream *parent_strm, |
| 301 | PjAudioCallback rec_cb, |
| 302 | PjAudioCallback play_cb, |
| 303 | void *user_data, |
| 304 | const CPjAudioSetting &setting) |
| 305 | { |
| 306 | CPjAudioEngine* self = new (ELeave) CPjAudioEngine(parent_strm, |
| 307 | rec_cb, play_cb, |
| 308 | user_data, |
| 309 | setting); |
| 310 | CleanupStack::PushL(self); |
| 311 | self->ConstructL(); |
| 312 | CleanupStack::Pop(self); |
| 313 | return self; |
| 314 | } |
| 315 | |
| 316 | void CPjAudioEngine::ConstructL() |
| 317 | { |
| 318 | TInt err; |
| 319 | const TVersion ver(1, 0, 0); /* Not really used at this time */ |
| 320 | |
| 321 | err = CVoIPUtilityFactory::CreateFactory(iFactory); |
| 322 | User::LeaveIfError(err); |
| 323 | |
| 324 | if (parentStrm_->param.dir != PJMEDIA_DIR_CAPTURE) { |
| 325 | err = iFactory->CreateDownlinkStream(ver, |
| 326 | CVoIPUtilityFactory::EVoIPCall, |
| 327 | iVoIPDnlink); |
| 328 | User::LeaveIfError(err); |
| 329 | } |
| 330 | |
| 331 | if (parentStrm_->param.dir != PJMEDIA_DIR_PLAYBACK) { |
| 332 | err = iFactory->CreateUplinkStream(ver, |
| 333 | CVoIPUtilityFactory::EVoIPCall, |
| 334 | iVoIPUplink); |
| 335 | User::LeaveIfError(err); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | CPjAudioEngine::CPjAudioEngine(struct vas_stream *parent_strm, |
| 340 | PjAudioCallback rec_cb, |
| 341 | PjAudioCallback play_cb, |
| 342 | void *user_data, |
| 343 | const CPjAudioSetting &setting) |
| 344 | : dn_state_(STATE_NULL), |
| 345 | up_state_(STATE_NULL), |
| 346 | parentStrm_(parent_strm), |
| 347 | setting_(setting), |
| 348 | rec_cb_(rec_cb), |
| 349 | play_cb_(play_cb), |
| 350 | user_data_(user_data), |
| 351 | iFactory(NULL), |
| 352 | iVoIPDnlink(NULL), |
| 353 | iVoIPUplink(NULL), |
| 354 | enc_fmt_if(NULL), |
| 355 | dec_fmt_if(NULL) |
| 356 | { |
| 357 | } |
| 358 | |
| 359 | CPjAudioEngine::~CPjAudioEngine() |
| 360 | { |
| 361 | Stop(); |
| 362 | |
| 363 | if (iVoIPUplink) |
| 364 | iVoIPUplink->Close(); |
| 365 | |
| 366 | if (iVoIPDnlink) |
| 367 | iVoIPDnlink->Close(); |
| 368 | |
| 369 | delete enc_fmt_if; |
| 370 | delete dec_fmt_if; |
| 371 | delete iVoIPDnlink; |
| 372 | delete iVoIPUplink; |
| 373 | delete iFactory; |
| 374 | |
| 375 | TRACE_((THIS_FILE, "Sound device destroyed")); |
| 376 | } |
| 377 | |
| 378 | TBool CPjAudioEngine::IsStarted() |
| 379 | { |
| 380 | return ((((parentStrm_->param.dir & PJMEDIA_DIR_CAPTURE) == 0) || |
| 381 | up_state_ == STATE_STREAMING) && |
| 382 | (((parentStrm_->param.dir & PJMEDIA_DIR_PLAYBACK) == 0) || |
| 383 | dn_state_ == STATE_STREAMING)); |
| 384 | } |
| 385 | |
| 386 | TInt CPjAudioEngine::InitPlay() |
| 387 | { |
| 388 | TInt err; |
| 389 | |
| 390 | pj_assert(iVoIPDnlink); |
| 391 | |
| 392 | delete dec_fmt_if; |
| 393 | dec_fmt_if = NULL; |
| 394 | err = iVoIPDnlink->SetFormat(setting_.format, dec_fmt_if); |
| 395 | if (err != KErrNone) |
| 396 | return err; |
| 397 | |
| 398 | err = dec_fmt_if->SetObserver(*this); |
| 399 | if (err != KErrNone) |
| 400 | return err; |
| 401 | |
| 402 | return iVoIPDnlink->Open(*this); |
| 403 | } |
| 404 | |
| 405 | TInt CPjAudioEngine::InitRec() |
| 406 | { |
| 407 | TInt err; |
| 408 | |
| 409 | pj_assert(iVoIPUplink); |
| 410 | |
| 411 | delete enc_fmt_if; |
| 412 | enc_fmt_if = NULL; |
| 413 | err = iVoIPUplink->SetFormat(setting_.format, enc_fmt_if); |
| 414 | if (err != KErrNone) |
| 415 | return err; |
| 416 | |
| 417 | err = enc_fmt_if->SetObserver(*this); |
| 418 | if (err != KErrNone) |
| 419 | return err; |
| 420 | |
| 421 | return iVoIPUplink->Open(*this); |
| 422 | } |
| 423 | |
| 424 | TInt CPjAudioEngine::StartPlay() |
| 425 | { |
| 426 | TInt err = KErrNone; |
| 427 | |
| 428 | pj_assert(iVoIPDnlink); |
| 429 | pj_assert(dn_state_ == STATE_READY); |
| 430 | |
| 431 | /* Configure specific codec setting */ |
| 432 | switch (setting_.format) { |
| 433 | case EG711: |
| 434 | { |
| 435 | CVoIPG711DecoderIntfc *g711dec_if = (CVoIPG711DecoderIntfc*) |
| 436 | dec_fmt_if; |
| 437 | err = g711dec_if->SetMode((CVoIPFormatIntfc::TG711CodecMode) |
| 438 | setting_.mode); |
| 439 | } |
| 440 | break; |
| 441 | |
| 442 | case EILBC: |
| 443 | { |
| 444 | CVoIPILBCDecoderIntfc *ilbcdec_if = (CVoIPILBCDecoderIntfc*) |
| 445 | dec_fmt_if; |
| 446 | err = ilbcdec_if->SetMode((CVoIPFormatIntfc::TILBCCodecMode) |
| 447 | setting_.mode); |
| 448 | } |
| 449 | break; |
| 450 | |
| 451 | case EAMR_NB: |
| 452 | /* Ticket #1008: AMR playback issue on few devices, e.g: E72, E52 */ |
| 453 | err = dec_fmt_if->SetFrameMode(ETrue); |
| 454 | break; |
| 455 | |
| 456 | default: |
| 457 | break; |
| 458 | } |
| 459 | |
| 460 | if (err != KErrNone) |
| 461 | goto on_return; |
| 462 | |
| 463 | /* Configure audio routing */ |
| 464 | ActivateSpeaker(setting_.loudspk); |
| 465 | |
| 466 | /* Start player */ |
| 467 | err = iVoIPDnlink->Start(); |
| 468 | |
| 469 | on_return: |
| 470 | if (err == KErrNone) { |
| 471 | dn_state_ = STATE_STREAMING; |
| 472 | TRACE_((THIS_FILE, "Downlink started")); |
| 473 | } else { |
| 474 | snd_perror("Failed starting downlink", err); |
| 475 | } |
| 476 | |
| 477 | return err; |
| 478 | } |
| 479 | |
| 480 | TInt CPjAudioEngine::StartRec() |
| 481 | { |
| 482 | TInt err = KErrNone; |
| 483 | |
| 484 | pj_assert(iVoIPUplink); |
| 485 | pj_assert(up_state_ == STATE_READY); |
| 486 | |
| 487 | /* Configure specific codec setting */ |
| 488 | switch (setting_.format) { |
| 489 | case EG711: |
| 490 | { |
| 491 | CVoIPG711EncoderIntfc *g711enc_if = (CVoIPG711EncoderIntfc*) |
| 492 | enc_fmt_if; |
| 493 | err = g711enc_if->SetMode((CVoIPFormatIntfc::TG711CodecMode) |
| 494 | setting_.mode); |
| 495 | } |
| 496 | break; |
| 497 | |
| 498 | case EILBC: |
| 499 | { |
| 500 | CVoIPILBCEncoderIntfc *ilbcenc_if = (CVoIPILBCEncoderIntfc*) |
| 501 | enc_fmt_if; |
| 502 | err = ilbcenc_if->SetMode((CVoIPFormatIntfc::TILBCCodecMode) |
| 503 | setting_.mode); |
| 504 | } |
| 505 | break; |
| 506 | |
| 507 | case EAMR_NB: |
| 508 | err = enc_fmt_if->SetBitRate(setting_.mode); |
| 509 | break; |
| 510 | |
| 511 | default: |
| 512 | break; |
| 513 | } |
| 514 | |
| 515 | if (err != KErrNone) |
| 516 | goto on_return; |
| 517 | |
| 518 | /* Configure general codec setting */ |
| 519 | enc_fmt_if->SetVAD(setting_.vad); |
| 520 | |
| 521 | /* Start recorder */ |
| 522 | err = iVoIPUplink->Start(); |
| 523 | |
| 524 | on_return: |
| 525 | if (err == KErrNone) { |
| 526 | up_state_ = STATE_STREAMING; |
| 527 | TRACE_((THIS_FILE, "Uplink started")); |
| 528 | } else { |
| 529 | snd_perror("Failed starting uplink", err); |
| 530 | } |
| 531 | |
| 532 | return err; |
| 533 | } |
| 534 | |
| 535 | TInt CPjAudioEngine::Start() |
| 536 | { |
| 537 | TInt err = KErrNone; |
| 538 | |
| 539 | if (iVoIPDnlink) { |
| 540 | switch(dn_state_) { |
| 541 | case STATE_READY: |
| 542 | err = StartPlay(); |
| 543 | break; |
| 544 | case STATE_NULL: |
| 545 | err = InitPlay(); |
| 546 | if (err != KErrNone) |
| 547 | return err; |
| 548 | dn_state_ = STATE_STARTING; |
| 549 | break; |
| 550 | default: |
| 551 | break; |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | if (iVoIPUplink) { |
| 556 | switch(up_state_) { |
| 557 | case STATE_READY: |
| 558 | err = StartRec(); |
| 559 | break; |
| 560 | case STATE_NULL: |
| 561 | err = InitRec(); |
| 562 | if (err != KErrNone) |
| 563 | return err; |
| 564 | up_state_ = STATE_STARTING; |
| 565 | break; |
| 566 | default: |
| 567 | break; |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | return err; |
| 572 | } |
| 573 | |
| 574 | void CPjAudioEngine::Stop() |
| 575 | { |
| 576 | if (iVoIPDnlink) { |
| 577 | switch(dn_state_) { |
| 578 | case STATE_STREAMING: |
| 579 | iVoIPDnlink->Stop(); |
| 580 | dn_state_ = STATE_READY; |
| 581 | break; |
| 582 | case STATE_STARTING: |
| 583 | dn_state_ = STATE_NULL; |
| 584 | break; |
| 585 | default: |
| 586 | break; |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | if (iVoIPUplink) { |
| 591 | switch(up_state_) { |
| 592 | case STATE_STREAMING: |
| 593 | iVoIPUplink->Stop(); |
| 594 | up_state_ = STATE_READY; |
| 595 | break; |
| 596 | case STATE_STARTING: |
| 597 | up_state_ = STATE_NULL; |
| 598 | break; |
| 599 | default: |
| 600 | break; |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | |
| 606 | TInt CPjAudioEngine::ActivateSpeaker(TBool active) |
| 607 | { |
| 608 | TInt err = KErrNotSupported; |
| 609 | |
| 610 | if (iVoIPDnlink) { |
| 611 | err = iVoIPDnlink->SetAudioDevice(active? |
| 612 | CVoIPAudioDownlinkStream::ELoudSpeaker : |
| 613 | CVoIPAudioDownlinkStream::EHandset); |
| 614 | TRACE_((THIS_FILE, "Loudspeaker turned %s", (active? "on":"off"))); |
| 615 | } |
| 616 | |
| 617 | return err; |
| 618 | } |
| 619 | |
| 620 | // Callback from MVoIPDownlinkObserver |
| 621 | void CPjAudioEngine::FillBuffer(const CVoIPAudioDownlinkStream& aSrc, |
| 622 | CVoIPDataBuffer* aBuffer) |
| 623 | { |
| 624 | play_cb_(aBuffer, user_data_); |
| 625 | iVoIPDnlink->BufferFilled(aBuffer); |
| 626 | } |
| 627 | |
| 628 | // Callback from MVoIPUplinkObserver |
| 629 | void CPjAudioEngine::EmptyBuffer(const CVoIPAudioUplinkStream& aSrc, |
| 630 | CVoIPDataBuffer* aBuffer) |
| 631 | { |
| 632 | rec_cb_(aBuffer, user_data_); |
| 633 | iVoIPUplink->BufferEmptied(aBuffer); |
| 634 | } |
| 635 | |
| 636 | // Callback from MVoIPDownlinkObserver |
| 637 | void CPjAudioEngine::Event(const CVoIPAudioDownlinkStream& /*aSrc*/, |
| 638 | TInt aEventType, |
| 639 | TInt aError) |
| 640 | { |
| 641 | switch (aEventType) { |
| 642 | case MVoIPDownlinkObserver::KOpenComplete: |
| 643 | if (aError == KErrNone) { |
| 644 | State last_state = dn_state_; |
| 645 | |
| 646 | dn_state_ = STATE_READY; |
| 647 | TRACE_((THIS_FILE, "Downlink opened")); |
| 648 | |
| 649 | if (last_state == STATE_STARTING) |
| 650 | StartPlay(); |
| 651 | } |
| 652 | break; |
| 653 | |
| 654 | case MVoIPDownlinkObserver::KDownlinkClosed: |
| 655 | dn_state_ = STATE_NULL; |
| 656 | TRACE_((THIS_FILE, "Downlink closed")); |
| 657 | break; |
| 658 | |
| 659 | case MVoIPDownlinkObserver::KDownlinkError: |
| 660 | dn_state_ = STATE_READY; |
| 661 | snd_perror("Downlink problem", aError); |
| 662 | break; |
| 663 | default: |
| 664 | break; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | // Callback from MVoIPUplinkObserver |
| 669 | void CPjAudioEngine::Event(const CVoIPAudioUplinkStream& /*aSrc*/, |
| 670 | TInt aEventType, |
| 671 | TInt aError) |
| 672 | { |
| 673 | switch (aEventType) { |
| 674 | case MVoIPUplinkObserver::KOpenComplete: |
| 675 | if (aError == KErrNone) { |
| 676 | State last_state = up_state_; |
| 677 | |
| 678 | up_state_ = STATE_READY; |
| 679 | TRACE_((THIS_FILE, "Uplink opened")); |
| 680 | |
| 681 | if (last_state == STATE_STARTING) |
| 682 | StartRec(); |
| 683 | } |
| 684 | break; |
| 685 | |
| 686 | case MVoIPUplinkObserver::KUplinkClosed: |
| 687 | up_state_ = STATE_NULL; |
| 688 | TRACE_((THIS_FILE, "Uplink closed")); |
| 689 | break; |
| 690 | |
| 691 | case MVoIPUplinkObserver::KUplinkError: |
| 692 | up_state_ = STATE_READY; |
| 693 | snd_perror("Uplink problem", aError); |
| 694 | break; |
| 695 | default: |
| 696 | break; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | // Callback from MVoIPFormatObserver |
| 701 | void CPjAudioEngine::Event(const CVoIPFormatIntfc& /*aSrc*/, |
| 702 | TInt aEventType) |
| 703 | { |
| 704 | snd_perror("Format event", aEventType); |
| 705 | } |
| 706 | |
| 707 | /**************************************************************************** |
| 708 | * Internal VAS callbacks for PCM format |
| 709 | */ |
| 710 | |
| 711 | #ifdef USE_NATIVE_PCM |
| 712 | |
| 713 | static void RecCbPcm2(CVoIPDataBuffer *buf, void *user_data) |
| 714 | { |
| 715 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 716 | TPtr8 buffer(0, 0, 0); |
| 717 | pj_int16_t *p_buf; |
| 718 | unsigned buf_len; |
| 719 | |
| 720 | /* Get the buffer */ |
| 721 | buf->GetPayloadPtr(buffer); |
| 722 | |
| 723 | /* Call parent callback */ |
| 724 | p_buf = (pj_int16_t*) buffer.Ptr(); |
| 725 | buf_len = buffer.Length() >> 1; |
| 726 | while (buf_len) { |
| 727 | unsigned req; |
| 728 | |
| 729 | req = strm->param.samples_per_frame - strm->rec_buf_len; |
| 730 | if (req > buf_len) |
| 731 | req = buf_len; |
| 732 | pjmedia_copy_samples(strm->rec_buf + strm->rec_buf_len, p_buf, req); |
| 733 | p_buf += req; |
| 734 | buf_len -= req; |
| 735 | strm->rec_buf_len += req; |
| 736 | |
| 737 | if (strm->rec_buf_len >= strm->param.samples_per_frame) { |
| 738 | pjmedia_frame f; |
| 739 | |
| 740 | f.buf = strm->rec_buf; |
| 741 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 742 | f.size = strm->param.samples_per_frame << 1; |
| 743 | strm->rec_cb(strm->user_data, &f); |
| 744 | strm->rec_buf_len = 0; |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | static void PlayCbPcm2(CVoIPDataBuffer *buf, void *user_data) |
| 750 | { |
| 751 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 752 | TPtr8 buffer(0, 0, 0); |
| 753 | pjmedia_frame f; |
| 754 | |
| 755 | /* Get the buffer */ |
| 756 | buf->GetPayloadPtr(buffer); |
| 757 | |
| 758 | /* Call parent callback */ |
| 759 | f.buf = strm->play_buf; |
| 760 | f.size = strm->param.samples_per_frame << 1; |
| 761 | strm->play_cb(strm->user_data, &f); |
| 762 | if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) { |
| 763 | pjmedia_zero_samples((pj_int16_t*)f.buf, |
| 764 | strm->param.samples_per_frame); |
| 765 | } |
| 766 | f.size = strm->param.samples_per_frame << 1; |
| 767 | |
| 768 | /* Init buffer attributes and header. */ |
| 769 | buffer.Zero(); |
| 770 | buffer.Append((TUint8*)f.buf, f.size); |
| 771 | |
| 772 | /* Set the buffer */ |
| 773 | buf->SetPayloadPtr(buffer); |
| 774 | } |
| 775 | |
| 776 | #else // not USE_NATIVE_PCM |
| 777 | |
| 778 | static void RecCbPcm(CVoIPDataBuffer *buf, void *user_data) |
| 779 | { |
| 780 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 781 | TPtr8 buffer(0, 0, 0); |
| 782 | |
| 783 | /* Get the buffer */ |
| 784 | buf->GetPayloadPtr(buffer); |
| 785 | |
| 786 | /* Buffer has to contain normal speech. */ |
| 787 | pj_assert(buffer[0] == 1 && buffer[1] == 0); |
| 788 | |
| 789 | /* Detect the recorder G.711 frame size, player frame size will follow |
| 790 | * this recorder frame size. |
| 791 | */ |
| 792 | if (vas_g711_frame_len == 0) { |
| 793 | vas_g711_frame_len = buffer.Length() < 160? 80 : 160; |
| 794 | TRACE_((THIS_FILE, "Detected VAS G.711 frame size = %u samples", |
| 795 | vas_g711_frame_len)); |
| 796 | } |
| 797 | |
| 798 | /* Decode VAS buffer (coded in G.711) and put the PCM result into rec_buf. |
| 799 | * Whenever rec_buf is full, call parent stream callback. |
| 800 | */ |
| 801 | unsigned samples_processed = 0; |
| 802 | |
| 803 | while (samples_processed < vas_g711_frame_len) { |
| 804 | unsigned samples_to_process; |
| 805 | unsigned samples_req; |
| 806 | |
| 807 | samples_to_process = vas_g711_frame_len - samples_processed; |
| 808 | samples_req = (strm->param.samples_per_frame / |
| 809 | strm->param.channel_count / |
| 810 | strm->resample_factor) - |
| 811 | strm->rec_buf_len; |
| 812 | if (samples_to_process > samples_req) |
| 813 | samples_to_process = samples_req; |
| 814 | |
| 815 | pjmedia_ulaw_decode(&strm->rec_buf[strm->rec_buf_len], |
| 816 | buffer.Ptr() + 2 + samples_processed, |
| 817 | samples_to_process); |
| 818 | |
| 819 | strm->rec_buf_len += samples_to_process; |
| 820 | samples_processed += samples_to_process; |
| 821 | |
| 822 | /* Buffer is full, time to call parent callback */ |
| 823 | if (strm->rec_buf_len == strm->param.samples_per_frame / |
| 824 | strm->param.channel_count / |
| 825 | strm->resample_factor) |
| 826 | { |
| 827 | pjmedia_frame f; |
| 828 | |
| 829 | /* Need to resample clock rate? */ |
| 830 | if (strm->rec_resample) { |
| 831 | unsigned resampled = 0; |
| 832 | |
| 833 | while (resampled < strm->rec_buf_len) { |
| 834 | pjmedia_resample_run(strm->rec_resample, |
| 835 | &strm->rec_buf[resampled], |
| 836 | strm->pcm_buf + |
| 837 | resampled * strm->resample_factor); |
| 838 | resampled += 80; |
| 839 | } |
| 840 | f.buf = strm->pcm_buf; |
| 841 | } else { |
| 842 | f.buf = strm->rec_buf; |
| 843 | } |
| 844 | |
| 845 | /* Need to convert channel count? */ |
| 846 | if (strm->param.channel_count != 1) { |
| 847 | pjmedia_convert_channel_1ton((pj_int16_t*)f.buf, |
| 848 | (pj_int16_t*)f.buf, |
| 849 | strm->param.channel_count, |
| 850 | strm->param.samples_per_frame / |
| 851 | strm->param.channel_count, |
| 852 | 0); |
| 853 | } |
| 854 | |
| 855 | /* Call parent callback */ |
| 856 | f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 857 | f.size = strm->param.samples_per_frame << 1; |
| 858 | strm->rec_cb(strm->user_data, &f); |
| 859 | strm->rec_buf_len = 0; |
| 860 | } |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | #endif // USE_NATIVE_PCM |
| 865 | |
| 866 | static void PlayCbPcm(CVoIPDataBuffer *buf, void *user_data) |
| 867 | { |
| 868 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 869 | unsigned g711_frame_len = vas_g711_frame_len; |
| 870 | TPtr8 buffer(0, 0, 0); |
| 871 | |
| 872 | /* Get the buffer */ |
| 873 | buf->GetPayloadPtr(buffer); |
| 874 | |
| 875 | /* Init buffer attributes and header. */ |
| 876 | buffer.Zero(); |
| 877 | buffer.Append(1); |
| 878 | buffer.Append(0); |
| 879 | |
| 880 | /* Assume frame size is 10ms if frame size hasn't been known. */ |
| 881 | if (g711_frame_len == 0) |
| 882 | g711_frame_len = 80; |
| 883 | |
| 884 | /* Call parent stream callback to get PCM samples to play, |
| 885 | * encode the PCM samples into G.711 and put it into VAS buffer. |
| 886 | */ |
| 887 | unsigned samples_processed = 0; |
| 888 | |
| 889 | while (samples_processed < g711_frame_len) { |
| 890 | /* Need more samples to play, time to call parent callback */ |
| 891 | if (strm->play_buf_len == 0) { |
| 892 | pjmedia_frame f; |
| 893 | unsigned samples_got; |
| 894 | |
| 895 | f.size = strm->param.samples_per_frame << 1; |
| 896 | if (strm->play_resample || strm->param.channel_count != 1) |
| 897 | f.buf = strm->pcm_buf; |
| 898 | else |
| 899 | f.buf = strm->play_buf; |
| 900 | |
| 901 | /* Call parent callback */ |
| 902 | strm->play_cb(strm->user_data, &f); |
| 903 | if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) { |
| 904 | pjmedia_zero_samples((pj_int16_t*)f.buf, |
| 905 | strm->param.samples_per_frame); |
| 906 | } |
| 907 | |
| 908 | samples_got = strm->param.samples_per_frame / |
| 909 | strm->param.channel_count / |
| 910 | strm->resample_factor; |
| 911 | |
| 912 | /* Need to convert channel count? */ |
| 913 | if (strm->param.channel_count != 1) { |
| 914 | pjmedia_convert_channel_nto1((pj_int16_t*)f.buf, |
| 915 | (pj_int16_t*)f.buf, |
| 916 | strm->param.channel_count, |
| 917 | strm->param.samples_per_frame, |
| 918 | PJ_FALSE, |
| 919 | 0); |
| 920 | } |
| 921 | |
| 922 | /* Need to resample clock rate? */ |
| 923 | if (strm->play_resample) { |
| 924 | unsigned resampled = 0; |
| 925 | |
| 926 | while (resampled < samples_got) |
| 927 | { |
| 928 | pjmedia_resample_run(strm->play_resample, |
| 929 | strm->pcm_buf + |
| 930 | resampled * strm->resample_factor, |
| 931 | &strm->play_buf[resampled]); |
| 932 | resampled += 80; |
| 933 | } |
| 934 | } |
| 935 | |
| 936 | strm->play_buf_len = samples_got; |
| 937 | strm->play_buf_start = 0; |
| 938 | } |
| 939 | |
| 940 | unsigned tmp; |
| 941 | |
| 942 | tmp = PJ_MIN(strm->play_buf_len, g711_frame_len - samples_processed); |
| 943 | pjmedia_ulaw_encode((pj_uint8_t*)&strm->play_buf[strm->play_buf_start], |
| 944 | &strm->play_buf[strm->play_buf_start], |
| 945 | tmp); |
| 946 | buffer.Append((TUint8*)&strm->play_buf[strm->play_buf_start], tmp); |
| 947 | samples_processed += tmp; |
| 948 | strm->play_buf_len -= tmp; |
| 949 | strm->play_buf_start += tmp; |
| 950 | } |
| 951 | |
| 952 | /* Set the buffer */ |
| 953 | buf->SetPayloadPtr(buffer); |
| 954 | } |
| 955 | |
| 956 | /**************************************************************************** |
| 957 | * Internal VAS callbacks for non-PCM format |
| 958 | */ |
| 959 | |
| 960 | static void RecCb(CVoIPDataBuffer *buf, void *user_data) |
| 961 | { |
| 962 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 963 | pjmedia_frame_ext *frame = (pjmedia_frame_ext*) strm->rec_buf; |
| 964 | TPtr8 buffer(0, 0, 0); |
| 965 | |
| 966 | /* Get the buffer */ |
| 967 | buf->GetPayloadPtr(buffer); |
| 968 | |
| 969 | switch(strm->param.ext_fmt.id) { |
| 970 | case PJMEDIA_FORMAT_AMR: |
| 971 | { |
| 972 | const pj_uint8_t *p = (const pj_uint8_t*)buffer.Ptr() + 1; |
| 973 | unsigned len = buffer.Length() - 1; |
| 974 | |
| 975 | pjmedia_frame_ext_append_subframe(frame, p, len << 3, 160); |
| 976 | if (frame->samples_cnt == strm->param.samples_per_frame) { |
| 977 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 978 | strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| 979 | frame->samples_cnt = 0; |
| 980 | frame->subframe_cnt = 0; |
| 981 | } |
| 982 | } |
| 983 | break; |
| 984 | |
| 985 | case PJMEDIA_FORMAT_G729: |
| 986 | { |
| 987 | /* Check if we got a normal or SID frame. */ |
| 988 | if (buffer[0] != 0) { |
| 989 | enum { NORMAL_LEN = 22, SID_LEN = 8 }; |
| 990 | TBitStream *bitstream = (TBitStream*)strm->strm_data; |
| 991 | unsigned src_len = buffer.Length()- 2; |
| 992 | |
| 993 | pj_assert(src_len == NORMAL_LEN || src_len == SID_LEN); |
| 994 | |
| 995 | const TDesC8& p = bitstream->CompressG729Frame( |
| 996 | buffer.Right(src_len), |
| 997 | src_len == SID_LEN); |
| 998 | |
| 999 | pjmedia_frame_ext_append_subframe(frame, p.Ptr(), |
| 1000 | p.Length() << 3, 80); |
| 1001 | } else { /* We got null frame. */ |
| 1002 | pjmedia_frame_ext_append_subframe(frame, NULL, 0, 80); |
| 1003 | } |
| 1004 | |
| 1005 | if (frame->samples_cnt == strm->param.samples_per_frame) { |
| 1006 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1007 | strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1008 | frame->samples_cnt = 0; |
| 1009 | frame->subframe_cnt = 0; |
| 1010 | } |
| 1011 | } |
| 1012 | break; |
| 1013 | |
| 1014 | case PJMEDIA_FORMAT_ILBC: |
| 1015 | { |
| 1016 | unsigned samples_got; |
| 1017 | |
| 1018 | samples_got = |
| 1019 | strm->param.ext_fmt.det.aud.avg_bps == 15200? 160 : 240; |
| 1020 | |
| 1021 | /* Check if we got a normal or SID frame. */ |
| 1022 | if (buffer[0] != 0) { |
| 1023 | const pj_uint8_t *p = (const pj_uint8_t*)buffer.Ptr() + 2; |
| 1024 | unsigned len = buffer.Length() - 2; |
| 1025 | |
| 1026 | pjmedia_frame_ext_append_subframe(frame, p, len << 3, |
| 1027 | samples_got); |
| 1028 | } else { /* We got null frame. */ |
| 1029 | pjmedia_frame_ext_append_subframe(frame, NULL, 0, samples_got); |
| 1030 | } |
| 1031 | |
| 1032 | if (frame->samples_cnt == strm->param.samples_per_frame) { |
| 1033 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1034 | strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1035 | frame->samples_cnt = 0; |
| 1036 | frame->subframe_cnt = 0; |
| 1037 | } |
| 1038 | } |
| 1039 | break; |
| 1040 | |
| 1041 | case PJMEDIA_FORMAT_PCMU: |
| 1042 | case PJMEDIA_FORMAT_PCMA: |
| 1043 | { |
| 1044 | unsigned samples_processed = 0; |
| 1045 | |
| 1046 | /* Make sure it is normal frame. */ |
| 1047 | pj_assert(buffer[0] == 1 && buffer[1] == 0); |
| 1048 | |
| 1049 | /* Detect the recorder G.711 frame size, player frame size will |
| 1050 | * follow this recorder frame size. |
| 1051 | */ |
| 1052 | if (vas_g711_frame_len == 0) { |
| 1053 | vas_g711_frame_len = buffer.Length() < 160? 80 : 160; |
| 1054 | TRACE_((THIS_FILE, "Detected VAS G.711 frame size = %u samples", |
| 1055 | vas_g711_frame_len)); |
| 1056 | } |
| 1057 | |
| 1058 | /* Convert VAS buffer format into pjmedia_frame_ext. Whenever |
| 1059 | * samples count in the frame is equal to stream's samples per |
| 1060 | * frame, call parent stream callback. |
| 1061 | */ |
| 1062 | while (samples_processed < vas_g711_frame_len) { |
| 1063 | unsigned tmp; |
| 1064 | const pj_uint8_t *pb = (const pj_uint8_t*)buffer.Ptr() + |
| 1065 | 2 + samples_processed; |
| 1066 | |
| 1067 | tmp = PJ_MIN(strm->param.samples_per_frame - frame->samples_cnt, |
| 1068 | vas_g711_frame_len - samples_processed); |
| 1069 | |
| 1070 | pjmedia_frame_ext_append_subframe(frame, pb, tmp << 3, tmp); |
| 1071 | samples_processed += tmp; |
| 1072 | |
| 1073 | if (frame->samples_cnt == strm->param.samples_per_frame) { |
| 1074 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1075 | strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1076 | frame->samples_cnt = 0; |
| 1077 | frame->subframe_cnt = 0; |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | break; |
| 1082 | |
| 1083 | default: |
| 1084 | break; |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | static void PlayCb(CVoIPDataBuffer *buf, void *user_data) |
| 1089 | { |
| 1090 | struct vas_stream *strm = (struct vas_stream*) user_data; |
| 1091 | pjmedia_frame_ext *frame = (pjmedia_frame_ext*) strm->play_buf; |
| 1092 | TPtr8 buffer(0, 0, 0); |
| 1093 | |
| 1094 | /* Get the buffer */ |
| 1095 | buf->GetPayloadPtr(buffer); |
| 1096 | |
| 1097 | /* Init buffer attributes and header. */ |
| 1098 | buffer.Zero(); |
| 1099 | |
| 1100 | switch(strm->param.ext_fmt.id) { |
| 1101 | case PJMEDIA_FORMAT_AMR: |
| 1102 | { |
| 1103 | if (frame->samples_cnt == 0) { |
| 1104 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1105 | strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1106 | pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| 1107 | frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| 1108 | } |
| 1109 | |
| 1110 | if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1111 | pjmedia_frame_ext_subframe *sf; |
| 1112 | unsigned samples_cnt; |
| 1113 | |
| 1114 | sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| 1115 | samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| 1116 | |
| 1117 | if (sf->data && sf->bitlen) { |
| 1118 | /* AMR header for VAS is one byte, the format (may be!): |
| 1119 | * 0xxxxy00, where xxxx:frame type, y:not sure. |
| 1120 | */ |
| 1121 | unsigned len = (sf->bitlen+7)>>3; |
| 1122 | enum {SID_FT = 8 }; |
| 1123 | pj_uint8_t amr_header = 4, ft = SID_FT; |
| 1124 | |
| 1125 | if (len >= pjmedia_codec_amrnb_framelen[0]) |
| 1126 | ft = pjmedia_codec_amr_get_mode2(PJ_TRUE, len); |
| 1127 | |
| 1128 | amr_header |= ft << 3; |
| 1129 | buffer.Append(amr_header); |
| 1130 | |
| 1131 | buffer.Append((TUint8*)sf->data, len); |
| 1132 | } else { |
| 1133 | enum {NO_DATA_FT = 15 }; |
| 1134 | pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3); |
| 1135 | |
| 1136 | buffer.Append(amr_header); |
| 1137 | } |
| 1138 | |
| 1139 | pjmedia_frame_ext_pop_subframes(frame, 1); |
| 1140 | |
| 1141 | } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| 1142 | enum {NO_DATA_FT = 15 }; |
| 1143 | pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3); |
| 1144 | |
| 1145 | buffer.Append(amr_header); |
| 1146 | |
| 1147 | frame->samples_cnt = 0; |
| 1148 | frame->subframe_cnt = 0; |
| 1149 | } |
| 1150 | } |
| 1151 | break; |
| 1152 | |
| 1153 | case PJMEDIA_FORMAT_G729: |
| 1154 | { |
| 1155 | if (frame->samples_cnt == 0) { |
| 1156 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1157 | strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1158 | pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| 1159 | frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| 1160 | } |
| 1161 | |
| 1162 | if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1163 | pjmedia_frame_ext_subframe *sf; |
| 1164 | unsigned samples_cnt; |
| 1165 | |
| 1166 | sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| 1167 | samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| 1168 | |
| 1169 | if (sf->data && sf->bitlen) { |
| 1170 | enum { NORMAL_LEN = 10, SID_LEN = 2 }; |
| 1171 | pj_bool_t sid_frame = ((sf->bitlen >> 3) == SID_LEN); |
| 1172 | TBitStream *bitstream = (TBitStream*)strm->strm_data; |
| 1173 | const TPtrC8 src(sf->data, sf->bitlen>>3); |
| 1174 | const TDesC8 &dst = bitstream->ExpandG729Frame(src, |
| 1175 | sid_frame); |
| 1176 | if (sid_frame) { |
| 1177 | buffer.Append(2); |
| 1178 | buffer.Append(0); |
| 1179 | } else { |
| 1180 | buffer.Append(1); |
| 1181 | buffer.Append(0); |
| 1182 | } |
| 1183 | buffer.Append(dst); |
| 1184 | } else { |
| 1185 | buffer.Append(2); |
| 1186 | buffer.Append(0); |
| 1187 | |
| 1188 | buffer.AppendFill(0, 22); |
| 1189 | } |
| 1190 | |
| 1191 | pjmedia_frame_ext_pop_subframes(frame, 1); |
| 1192 | |
| 1193 | } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| 1194 | buffer.Append(2); |
| 1195 | buffer.Append(0); |
| 1196 | |
| 1197 | buffer.AppendFill(0, 22); |
| 1198 | } |
| 1199 | } |
| 1200 | break; |
| 1201 | |
| 1202 | case PJMEDIA_FORMAT_ILBC: |
| 1203 | { |
| 1204 | if (frame->samples_cnt == 0) { |
| 1205 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1206 | strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1207 | pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| 1208 | frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| 1209 | } |
| 1210 | |
| 1211 | if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1212 | pjmedia_frame_ext_subframe *sf; |
| 1213 | unsigned samples_cnt; |
| 1214 | |
| 1215 | sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| 1216 | samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| 1217 | |
| 1218 | pj_assert((strm->param.ext_fmt.det.aud.avg_bps == 15200 && |
| 1219 | samples_cnt == 160) || |
| 1220 | (strm->param.ext_fmt.det.aud.avg_bps != 15200 && |
| 1221 | samples_cnt == 240)); |
| 1222 | |
| 1223 | if (sf->data && sf->bitlen) { |
| 1224 | buffer.Append(1); |
| 1225 | buffer.Append(0); |
| 1226 | buffer.Append((TUint8*)sf->data, sf->bitlen>>3); |
| 1227 | } else { |
| 1228 | unsigned frame_len; |
| 1229 | |
| 1230 | buffer.Append(1); |
| 1231 | buffer.Append(0); |
| 1232 | |
| 1233 | /* VAS iLBC frame is 20ms or 30ms */ |
| 1234 | frame_len = |
| 1235 | strm->param.ext_fmt.det.aud.avg_bps == 15200? 38 : 50; |
| 1236 | buffer.AppendFill(0, frame_len); |
| 1237 | } |
| 1238 | |
| 1239 | pjmedia_frame_ext_pop_subframes(frame, 1); |
| 1240 | |
| 1241 | } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| 1242 | |
| 1243 | unsigned frame_len; |
| 1244 | |
| 1245 | buffer.Append(1); |
| 1246 | buffer.Append(0); |
| 1247 | |
| 1248 | /* VAS iLBC frame is 20ms or 30ms */ |
| 1249 | frame_len = |
| 1250 | strm->param.ext_fmt.det.aud.avg_bps == 15200? 38 : 50; |
| 1251 | buffer.AppendFill(0, frame_len); |
| 1252 | |
| 1253 | } |
| 1254 | } |
| 1255 | break; |
| 1256 | |
| 1257 | case PJMEDIA_FORMAT_PCMU: |
| 1258 | case PJMEDIA_FORMAT_PCMA: |
| 1259 | { |
| 1260 | unsigned samples_ready = 0; |
| 1261 | unsigned samples_req = vas_g711_frame_len; |
| 1262 | |
| 1263 | /* Assume frame size is 10ms if frame size hasn't been known. */ |
| 1264 | if (samples_req == 0) |
| 1265 | samples_req = 80; |
| 1266 | |
| 1267 | buffer.Append(1); |
| 1268 | buffer.Append(0); |
| 1269 | |
| 1270 | /* Call parent stream callback to get samples to play. */ |
| 1271 | while (samples_ready < samples_req) { |
| 1272 | if (frame->samples_cnt == 0) { |
| 1273 | frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1274 | strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| 1275 | pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| 1276 | frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| 1277 | } |
| 1278 | |
| 1279 | if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1280 | pjmedia_frame_ext_subframe *sf; |
| 1281 | unsigned samples_cnt; |
| 1282 | |
| 1283 | sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| 1284 | samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| 1285 | if (sf->data && sf->bitlen) { |
| 1286 | buffer.Append((TUint8*)sf->data, sf->bitlen>>3); |
| 1287 | } else { |
| 1288 | pj_uint8_t silc; |
| 1289 | silc = (strm->param.ext_fmt.id==PJMEDIA_FORMAT_PCMU)? |
| 1290 | pjmedia_linear2ulaw(0) : pjmedia_linear2alaw(0); |
| 1291 | buffer.AppendFill(silc, samples_cnt); |
| 1292 | } |
| 1293 | samples_ready += samples_cnt; |
| 1294 | |
| 1295 | pjmedia_frame_ext_pop_subframes(frame, 1); |
| 1296 | |
| 1297 | } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| 1298 | pj_uint8_t silc; |
| 1299 | |
| 1300 | silc = (strm->param.ext_fmt.id==PJMEDIA_FORMAT_PCMU)? |
| 1301 | pjmedia_linear2ulaw(0) : pjmedia_linear2alaw(0); |
| 1302 | buffer.AppendFill(silc, samples_req - samples_ready); |
| 1303 | |
| 1304 | samples_ready = samples_req; |
| 1305 | frame->samples_cnt = 0; |
| 1306 | frame->subframe_cnt = 0; |
| 1307 | } |
| 1308 | } |
| 1309 | } |
| 1310 | break; |
| 1311 | |
| 1312 | default: |
| 1313 | break; |
| 1314 | } |
| 1315 | |
| 1316 | /* Set the buffer */ |
| 1317 | buf->SetPayloadPtr(buffer); |
| 1318 | } |
| 1319 | |
| 1320 | |
| 1321 | /**************************************************************************** |
| 1322 | * Factory operations |
| 1323 | */ |
| 1324 | |
| 1325 | /* |
| 1326 | * C compatible declaration of VAS factory. |
| 1327 | */ |
| 1328 | PJ_BEGIN_DECL |
| 1329 | PJ_DECL(pjmedia_aud_dev_factory*)pjmedia_symb_vas_factory(pj_pool_factory *pf); |
| 1330 | PJ_END_DECL |
| 1331 | |
| 1332 | /* |
| 1333 | * Init VAS audio driver. |
| 1334 | */ |
| 1335 | PJ_DEF(pjmedia_aud_dev_factory*) pjmedia_symb_vas_factory(pj_pool_factory *pf) |
| 1336 | { |
| 1337 | struct vas_factory *f; |
| 1338 | pj_pool_t *pool; |
| 1339 | |
| 1340 | pool = pj_pool_create(pf, "VAS", 1000, 1000, NULL); |
| 1341 | f = PJ_POOL_ZALLOC_T(pool, struct vas_factory); |
| 1342 | f->pf = pf; |
| 1343 | f->pool = pool; |
| 1344 | f->base.op = &factory_op; |
| 1345 | |
| 1346 | return &f->base; |
| 1347 | } |
| 1348 | |
| 1349 | /* API: init factory */ |
| 1350 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f) |
| 1351 | { |
| 1352 | struct vas_factory *af = (struct vas_factory*)f; |
| 1353 | CVoIPUtilityFactory *vas_factory_; |
| 1354 | CVoIPAudioUplinkStream *vas_uplink; |
| 1355 | CVoIPAudioDownlinkStream *vas_dnlink; |
| 1356 | RArray<TVoIPCodecFormat> uplink_formats, dnlink_formats; |
| 1357 | unsigned ext_fmt_cnt = 0; |
| 1358 | TVersion vas_version(1, 0, 0); /* Not really used at this time */ |
| 1359 | TInt err; |
| 1360 | |
| 1361 | pj_ansi_strcpy(af->dev_info.name, "S60 VAS"); |
| 1362 | af->dev_info.default_samples_per_sec = 8000; |
| 1363 | af->dev_info.caps = PJMEDIA_AUD_DEV_CAP_EXT_FORMAT | |
| 1364 | //PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING | |
| 1365 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING | |
| 1366 | PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE | |
| 1367 | PJMEDIA_AUD_DEV_CAP_VAD | |
| 1368 | PJMEDIA_AUD_DEV_CAP_CNG; |
| 1369 | af->dev_info.routes = PJMEDIA_AUD_DEV_ROUTE_EARPIECE | |
| 1370 | PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; |
| 1371 | af->dev_info.input_count = 1; |
| 1372 | af->dev_info.output_count = 1; |
| 1373 | af->dev_info.ext_fmt_cnt = 0; |
| 1374 | |
| 1375 | /* Enumerate supported formats */ |
| 1376 | err = CVoIPUtilityFactory::CreateFactory(vas_factory_); |
| 1377 | if (err != KErrNone) |
| 1378 | goto on_error; |
| 1379 | |
| 1380 | /* On VAS 2.0, uplink & downlink stream should be instantiated before |
| 1381 | * querying formats. |
| 1382 | */ |
| 1383 | err = vas_factory_->CreateUplinkStream(vas_version, |
| 1384 | CVoIPUtilityFactory::EVoIPCall, |
| 1385 | vas_uplink); |
| 1386 | if (err != KErrNone) |
| 1387 | goto on_error; |
| 1388 | |
| 1389 | err = vas_factory_->CreateDownlinkStream(vas_version, |
| 1390 | CVoIPUtilityFactory::EVoIPCall, |
| 1391 | vas_dnlink); |
| 1392 | if (err != KErrNone) |
| 1393 | goto on_error; |
| 1394 | |
| 1395 | uplink_formats.Reset(); |
| 1396 | err = vas_factory_->GetSupportedUplinkFormats(uplink_formats); |
| 1397 | if (err != KErrNone) |
| 1398 | goto on_error; |
| 1399 | |
| 1400 | dnlink_formats.Reset(); |
| 1401 | err = vas_factory_->GetSupportedDownlinkFormats(dnlink_formats); |
| 1402 | if (err != KErrNone) |
| 1403 | goto on_error; |
| 1404 | |
| 1405 | /* Free the streams, they are just used for querying formats */ |
| 1406 | delete vas_uplink; |
| 1407 | vas_uplink = NULL; |
| 1408 | delete vas_dnlink; |
| 1409 | vas_dnlink = NULL; |
| 1410 | delete vas_factory_; |
| 1411 | vas_factory_ = NULL; |
| 1412 | |
| 1413 | for (TInt i = 0; i < dnlink_formats.Count(); i++) { |
| 1414 | pjmedia_format ext_fmt; |
| 1415 | |
| 1416 | /* Format must be supported by both downlink & uplink. */ |
| 1417 | if (uplink_formats.Find(dnlink_formats[i]) == KErrNotFound) |
| 1418 | continue; |
| 1419 | |
| 1420 | switch (dnlink_formats[i]) { |
| 1421 | case EAMR_NB: |
| 1422 | pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_AMR, |
| 1423 | 8000, 1, 16, 20, 7400, 12200); |
| 1424 | af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| 1425 | //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_TRUE; |
| 1426 | break; |
| 1427 | |
| 1428 | case EG729: |
| 1429 | pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_G729, |
| 1430 | 8000, 1, 16, 20, 8000, 8000); |
| 1431 | af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| 1432 | //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| 1433 | break; |
| 1434 | |
| 1435 | case EILBC: |
| 1436 | pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_ILBC, |
| 1437 | 8000, 1, 16, 30, 13333, 15200); |
| 1438 | af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| 1439 | //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_TRUE; |
| 1440 | break; |
| 1441 | |
| 1442 | case EG711: |
| 1443 | #if PJMEDIA_AUDIO_DEV_SYMB_VAS_VERSION==2 |
| 1444 | case EG711_10MS: |
| 1445 | #endif |
| 1446 | pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_PCMU, |
| 1447 | 8000, 1, 16, 20, 64000, 64000); |
| 1448 | af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| 1449 | //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| 1450 | ++ext_fmt_cnt; |
| 1451 | pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_PCMA, |
| 1452 | 8000, 1, 16, 20, 64000, 64000); |
| 1453 | af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| 1454 | //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| 1455 | break; |
| 1456 | |
| 1457 | default: |
| 1458 | continue; |
| 1459 | } |
| 1460 | |
| 1461 | ++ext_fmt_cnt; |
| 1462 | } |
| 1463 | |
| 1464 | af->dev_info.ext_fmt_cnt = ext_fmt_cnt; |
| 1465 | |
| 1466 | uplink_formats.Close(); |
| 1467 | dnlink_formats.Close(); |
| 1468 | |
| 1469 | PJ_LOG(3, (THIS_FILE, "VAS initialized")); |
| 1470 | |
| 1471 | return PJ_SUCCESS; |
| 1472 | |
| 1473 | on_error: |
| 1474 | return PJ_RETURN_OS_ERROR(err); |
| 1475 | } |
| 1476 | |
| 1477 | /* API: destroy factory */ |
| 1478 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f) |
| 1479 | { |
| 1480 | struct vas_factory *af = (struct vas_factory*)f; |
| 1481 | pj_pool_t *pool = af->pool; |
| 1482 | |
| 1483 | af->pool = NULL; |
| 1484 | pj_pool_release(pool); |
| 1485 | |
| 1486 | PJ_LOG(3, (THIS_FILE, "VAS destroyed")); |
| 1487 | |
| 1488 | return PJ_SUCCESS; |
| 1489 | } |
| 1490 | |
| 1491 | /* API: refresh the device list */ |
| 1492 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f) |
| 1493 | { |
| 1494 | PJ_UNUSED_ARG(f); |
| 1495 | return PJ_ENOTSUP; |
| 1496 | } |
| 1497 | |
| 1498 | /* API: get number of devices */ |
| 1499 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f) |
| 1500 | { |
| 1501 | PJ_UNUSED_ARG(f); |
| 1502 | return 1; |
| 1503 | } |
| 1504 | |
| 1505 | /* API: get device info */ |
| 1506 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 1507 | unsigned index, |
| 1508 | pjmedia_aud_dev_info *info) |
| 1509 | { |
| 1510 | struct vas_factory *af = (struct vas_factory*)f; |
| 1511 | |
| 1512 | PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| 1513 | |
| 1514 | pj_memcpy(info, &af->dev_info, sizeof(*info)); |
| 1515 | |
| 1516 | return PJ_SUCCESS; |
| 1517 | } |
| 1518 | |
| 1519 | /* API: create default device parameter */ |
| 1520 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 1521 | unsigned index, |
| 1522 | pjmedia_aud_param *param) |
| 1523 | { |
| 1524 | struct vas_factory *af = (struct vas_factory*)f; |
| 1525 | |
| 1526 | PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| 1527 | |
| 1528 | pj_bzero(param, sizeof(*param)); |
| 1529 | param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| 1530 | param->rec_id = index; |
| 1531 | param->play_id = index; |
| 1532 | param->clock_rate = af->dev_info.default_samples_per_sec; |
| 1533 | param->channel_count = 1; |
| 1534 | param->samples_per_frame = af->dev_info.default_samples_per_sec * 20 / 1000; |
| 1535 | param->bits_per_sample = BITS_PER_SAMPLE; |
| 1536 | param->flags = PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE; |
| 1537 | param->output_route = PJMEDIA_AUD_DEV_ROUTE_EARPIECE; |
| 1538 | |
| 1539 | return PJ_SUCCESS; |
| 1540 | } |
| 1541 | |
| 1542 | |
| 1543 | /* API: create stream */ |
| 1544 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 1545 | const pjmedia_aud_param *param, |
| 1546 | pjmedia_aud_rec_cb rec_cb, |
| 1547 | pjmedia_aud_play_cb play_cb, |
| 1548 | void *user_data, |
| 1549 | pjmedia_aud_stream **p_aud_strm) |
| 1550 | { |
| 1551 | struct vas_factory *af = (struct vas_factory*)f; |
| 1552 | pj_pool_t *pool; |
| 1553 | struct vas_stream *strm; |
| 1554 | |
| 1555 | CPjAudioSetting vas_setting; |
| 1556 | PjAudioCallback vas_rec_cb; |
| 1557 | PjAudioCallback vas_play_cb; |
| 1558 | |
| 1559 | /* Can only support 16bits per sample */ |
| 1560 | PJ_ASSERT_RETURN(param->bits_per_sample == BITS_PER_SAMPLE, PJ_EINVAL); |
| 1561 | |
| 1562 | /* Supported clock rates: |
| 1563 | * - for non-PCM format: 8kHz |
| 1564 | * - for PCM format: 8kHz and 16kHz |
| 1565 | */ |
| 1566 | PJ_ASSERT_RETURN(param->clock_rate == 8000 || |
| 1567 | (param->clock_rate == 16000 && |
| 1568 | param->ext_fmt.id == PJMEDIA_FORMAT_L16), |
| 1569 | PJ_EINVAL); |
| 1570 | |
| 1571 | /* Supported channels number: |
| 1572 | * - for non-PCM format: mono |
| 1573 | * - for PCM format: mono and stereo |
| 1574 | */ |
| 1575 | PJ_ASSERT_RETURN(param->channel_count == 1 || |
| 1576 | (param->channel_count == 2 && |
| 1577 | param->ext_fmt.id == PJMEDIA_FORMAT_L16), |
| 1578 | PJ_EINVAL); |
| 1579 | |
| 1580 | /* Create and Initialize stream descriptor */ |
| 1581 | pool = pj_pool_create(af->pf, "vas-dev", 1000, 1000, NULL); |
| 1582 | PJ_ASSERT_RETURN(pool, PJ_ENOMEM); |
| 1583 | |
| 1584 | strm = PJ_POOL_ZALLOC_T(pool, struct vas_stream); |
| 1585 | strm->pool = pool; |
| 1586 | strm->param = *param; |
| 1587 | |
| 1588 | if (strm->param.flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT == 0) |
| 1589 | strm->param.ext_fmt.id = PJMEDIA_FORMAT_L16; |
| 1590 | |
| 1591 | /* Set audio engine fourcc. */ |
| 1592 | switch(strm->param.ext_fmt.id) { |
| 1593 | case PJMEDIA_FORMAT_L16: |
| 1594 | #ifdef USE_NATIVE_PCM |
| 1595 | vas_setting.format = EPCM16; |
| 1596 | #else |
| 1597 | vas_setting.format = EG711; |
| 1598 | #endif |
| 1599 | break; |
| 1600 | case PJMEDIA_FORMAT_PCMU: |
| 1601 | case PJMEDIA_FORMAT_PCMA: |
| 1602 | vas_setting.format = EG711; |
| 1603 | break; |
| 1604 | case PJMEDIA_FORMAT_AMR: |
| 1605 | vas_setting.format = EAMR_NB; |
| 1606 | break; |
| 1607 | case PJMEDIA_FORMAT_G729: |
| 1608 | vas_setting.format = EG729; |
| 1609 | break; |
| 1610 | case PJMEDIA_FORMAT_ILBC: |
| 1611 | vas_setting.format = EILBC; |
| 1612 | break; |
| 1613 | default: |
| 1614 | vas_setting.format = ENULL; |
| 1615 | break; |
| 1616 | } |
| 1617 | |
| 1618 | /* Set audio engine mode. */ |
| 1619 | if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) |
| 1620 | { |
| 1621 | #ifdef USE_NATIVE_PCM |
| 1622 | vas_setting.mode = 0; |
| 1623 | #else |
| 1624 | vas_setting.mode = CVoIPFormatIntfc::EG711uLaw; |
| 1625 | #endif |
| 1626 | } |
| 1627 | else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_AMR) |
| 1628 | { |
| 1629 | vas_setting.mode = strm->param.ext_fmt.det.aud.avg_bps; |
| 1630 | } |
| 1631 | else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMU) |
| 1632 | { |
| 1633 | vas_setting.mode = CVoIPFormatIntfc::EG711uLaw; |
| 1634 | } |
| 1635 | else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMA) |
| 1636 | { |
| 1637 | vas_setting.mode = CVoIPFormatIntfc::EG711ALaw; |
| 1638 | } |
| 1639 | else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_ILBC) |
| 1640 | { |
| 1641 | if (strm->param.ext_fmt.det.aud.avg_bps == 15200) |
| 1642 | vas_setting.mode = CVoIPFormatIntfc::EiLBC20mSecFrame; |
| 1643 | else |
| 1644 | vas_setting.mode = CVoIPFormatIntfc::EiLBC30mSecFrame; |
| 1645 | } else { |
| 1646 | vas_setting.mode = 0; |
| 1647 | } |
| 1648 | |
| 1649 | /* Disable VAD on L16, G711, iLBC, and also G729 (G729's SID |
| 1650 | * potentially cause noise?). |
| 1651 | */ |
| 1652 | if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMU || |
| 1653 | strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMA || |
| 1654 | strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16 || |
| 1655 | strm->param.ext_fmt.id == PJMEDIA_FORMAT_ILBC || |
| 1656 | strm->param.ext_fmt.id == PJMEDIA_FORMAT_G729) |
| 1657 | { |
| 1658 | vas_setting.vad = EFalse; |
| 1659 | } else { |
| 1660 | vas_setting.vad = (strm->param.flags & PJMEDIA_AUD_DEV_CAP_VAD) && |
| 1661 | strm->param.vad_enabled; |
| 1662 | } |
| 1663 | |
| 1664 | /* Set other audio engine attributes. */ |
| 1665 | vas_setting.plc = (strm->param.flags & PJMEDIA_AUD_DEV_CAP_PLC) && |
| 1666 | strm->param.plc_enabled; |
| 1667 | vas_setting.cng = vas_setting.vad; |
| 1668 | vas_setting.loudspk = |
| 1669 | strm->param.output_route==PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; |
| 1670 | |
| 1671 | /* Set audio engine callbacks. */ |
| 1672 | if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) { |
| 1673 | #ifdef USE_NATIVE_PCM |
| 1674 | vas_play_cb = &PlayCbPcm2; |
| 1675 | vas_rec_cb = &RecCbPcm2; |
| 1676 | #else |
| 1677 | vas_play_cb = &PlayCbPcm; |
| 1678 | vas_rec_cb = &RecCbPcm; |
| 1679 | #endif |
| 1680 | } else { |
| 1681 | vas_play_cb = &PlayCb; |
| 1682 | vas_rec_cb = &RecCb; |
| 1683 | } |
| 1684 | |
| 1685 | strm->rec_cb = rec_cb; |
| 1686 | strm->play_cb = play_cb; |
| 1687 | strm->user_data = user_data; |
| 1688 | strm->resample_factor = strm->param.clock_rate / 8000; |
| 1689 | |
| 1690 | /* play_buf size is samples per frame scaled in to 8kHz mono. */ |
| 1691 | strm->play_buf = (pj_int16_t*)pj_pool_zalloc( |
| 1692 | pool, |
| 1693 | (strm->param.samples_per_frame / |
| 1694 | strm->resample_factor / |
| 1695 | strm->param.channel_count) << 1); |
| 1696 | strm->play_buf_len = 0; |
| 1697 | strm->play_buf_start = 0; |
| 1698 | |
| 1699 | /* rec_buf size is samples per frame scaled in to 8kHz mono. */ |
| 1700 | strm->rec_buf = (pj_int16_t*)pj_pool_zalloc( |
| 1701 | pool, |
| 1702 | (strm->param.samples_per_frame / |
| 1703 | strm->resample_factor / |
| 1704 | strm->param.channel_count) << 1); |
| 1705 | strm->rec_buf_len = 0; |
| 1706 | |
| 1707 | if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_G729) { |
| 1708 | TBitStream *g729_bitstream = new TBitStream; |
| 1709 | |
| 1710 | PJ_ASSERT_RETURN(g729_bitstream, PJ_ENOMEM); |
| 1711 | strm->strm_data = (void*)g729_bitstream; |
| 1712 | } |
| 1713 | |
| 1714 | /* Init resampler when format is PCM and clock rate is not 8kHz */ |
| 1715 | if (strm->param.clock_rate != 8000 && |
| 1716 | strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) |
| 1717 | { |
| 1718 | pj_status_t status; |
| 1719 | |
| 1720 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1721 | /* Create resample for recorder */ |
| 1722 | status = pjmedia_resample_create( pool, PJ_TRUE, PJ_FALSE, 1, |
| 1723 | 8000, |
| 1724 | strm->param.clock_rate, |
| 1725 | 80, |
| 1726 | &strm->rec_resample); |
| 1727 | if (status != PJ_SUCCESS) |
| 1728 | return status; |
| 1729 | } |
| 1730 | |
| 1731 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1732 | /* Create resample for player */ |
| 1733 | status = pjmedia_resample_create( pool, PJ_TRUE, PJ_FALSE, 1, |
| 1734 | strm->param.clock_rate, |
| 1735 | 8000, |
| 1736 | 80 * strm->resample_factor, |
| 1737 | &strm->play_resample); |
| 1738 | if (status != PJ_SUCCESS) |
| 1739 | return status; |
| 1740 | } |
| 1741 | } |
| 1742 | |
| 1743 | /* Create PCM buffer, when the clock rate is not 8kHz or not mono */ |
| 1744 | if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16 && |
| 1745 | (strm->resample_factor > 1 || strm->param.channel_count != 1)) |
| 1746 | { |
| 1747 | strm->pcm_buf = (pj_int16_t*)pj_pool_zalloc(pool, |
| 1748 | strm->param.samples_per_frame << 1); |
| 1749 | } |
| 1750 | |
| 1751 | |
| 1752 | /* Create the audio engine. */ |
| 1753 | TRAPD(err, strm->engine = CPjAudioEngine::NewL(strm, |
| 1754 | vas_rec_cb, vas_play_cb, |
| 1755 | strm, vas_setting)); |
| 1756 | if (err != KErrNone) { |
| 1757 | pj_pool_release(pool); |
| 1758 | return PJ_RETURN_OS_ERROR(err); |
| 1759 | } |
| 1760 | |
| 1761 | /* Done */ |
| 1762 | strm->base.op = &stream_op; |
| 1763 | *p_aud_strm = &strm->base; |
| 1764 | |
| 1765 | return PJ_SUCCESS; |
| 1766 | } |
| 1767 | |
| 1768 | /* API: Get stream info. */ |
| 1769 | static pj_status_t stream_get_param(pjmedia_aud_stream *s, |
| 1770 | pjmedia_aud_param *pi) |
| 1771 | { |
| 1772 | struct vas_stream *strm = (struct vas_stream*)s; |
| 1773 | |
| 1774 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 1775 | |
| 1776 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 1777 | |
| 1778 | /* Update the output volume setting */ |
| 1779 | if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 1780 | &pi->output_vol) == PJ_SUCCESS) |
| 1781 | { |
| 1782 | pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| 1783 | } |
| 1784 | |
| 1785 | return PJ_SUCCESS; |
| 1786 | } |
| 1787 | |
| 1788 | /* API: get capability */ |
| 1789 | static pj_status_t stream_get_cap(pjmedia_aud_stream *s, |
| 1790 | pjmedia_aud_dev_cap cap, |
| 1791 | void *pval) |
| 1792 | { |
| 1793 | struct vas_stream *strm = (struct vas_stream*)s; |
| 1794 | pj_status_t status = PJ_ENOTSUP; |
| 1795 | |
| 1796 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1797 | |
| 1798 | switch (cap) { |
| 1799 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: |
| 1800 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1801 | *(pjmedia_aud_dev_route*)pval = strm->param.output_route; |
| 1802 | status = PJ_SUCCESS; |
| 1803 | } |
| 1804 | break; |
| 1805 | |
| 1806 | /* There is a case that GetMaxGain() stucks, e.g: in N95. */ |
| 1807 | /* |
| 1808 | case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| 1809 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1810 | PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| 1811 | |
| 1812 | TInt max_gain = strm->engine->GetMaxGain(); |
| 1813 | TInt gain = strm->engine->GetGain(); |
| 1814 | |
| 1815 | if (max_gain > 0 && gain >= 0) { |
| 1816 | *(unsigned*)pval = gain * 100 / max_gain; |
| 1817 | status = PJ_SUCCESS; |
| 1818 | } else { |
| 1819 | status = PJMEDIA_EAUD_NOTREADY; |
| 1820 | } |
| 1821 | } |
| 1822 | break; |
| 1823 | */ |
| 1824 | |
| 1825 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| 1826 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1827 | PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| 1828 | |
| 1829 | TInt max_vol = strm->engine->GetMaxVolume(); |
| 1830 | TInt vol = strm->engine->GetVolume(); |
| 1831 | |
| 1832 | if (max_vol > 0 && vol >= 0) { |
| 1833 | *(unsigned*)pval = vol * 100 / max_vol; |
| 1834 | status = PJ_SUCCESS; |
| 1835 | } else { |
| 1836 | status = PJMEDIA_EAUD_NOTREADY; |
| 1837 | } |
| 1838 | } |
| 1839 | break; |
| 1840 | default: |
| 1841 | break; |
| 1842 | } |
| 1843 | |
| 1844 | return status; |
| 1845 | } |
| 1846 | |
| 1847 | /* API: set capability */ |
| 1848 | static pj_status_t stream_set_cap(pjmedia_aud_stream *s, |
| 1849 | pjmedia_aud_dev_cap cap, |
| 1850 | const void *pval) |
| 1851 | { |
| 1852 | struct vas_stream *strm = (struct vas_stream*)s; |
| 1853 | pj_status_t status = PJ_ENOTSUP; |
| 1854 | |
| 1855 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1856 | |
| 1857 | switch (cap) { |
| 1858 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: |
| 1859 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1860 | pjmedia_aud_dev_route r = *(const pjmedia_aud_dev_route*)pval; |
| 1861 | TInt err; |
| 1862 | |
| 1863 | PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| 1864 | |
| 1865 | switch (r) { |
| 1866 | case PJMEDIA_AUD_DEV_ROUTE_DEFAULT: |
| 1867 | case PJMEDIA_AUD_DEV_ROUTE_EARPIECE: |
| 1868 | err = strm->engine->ActivateSpeaker(EFalse); |
| 1869 | status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| 1870 | break; |
| 1871 | case PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER: |
| 1872 | err = strm->engine->ActivateSpeaker(ETrue); |
| 1873 | status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| 1874 | break; |
| 1875 | default: |
| 1876 | status = PJ_EINVAL; |
| 1877 | break; |
| 1878 | } |
| 1879 | if (status == PJ_SUCCESS) |
| 1880 | strm->param.output_route = r; |
| 1881 | } |
| 1882 | break; |
| 1883 | |
| 1884 | /* There is a case that GetMaxGain() stucks, e.g: in N95. */ |
| 1885 | /* |
| 1886 | case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| 1887 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| 1888 | PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| 1889 | |
| 1890 | TInt max_gain = strm->engine->GetMaxGain(); |
| 1891 | if (max_gain > 0) { |
| 1892 | TInt gain, err; |
| 1893 | |
| 1894 | gain = *(unsigned*)pval * max_gain / 100; |
| 1895 | err = strm->engine->SetGain(gain); |
| 1896 | status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| 1897 | } else { |
| 1898 | status = PJMEDIA_EAUD_NOTREADY; |
| 1899 | } |
| 1900 | if (status == PJ_SUCCESS) |
| 1901 | strm->param.input_vol = *(unsigned*)pval; |
| 1902 | } |
| 1903 | break; |
| 1904 | */ |
| 1905 | |
| 1906 | case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| 1907 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| 1908 | PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| 1909 | |
| 1910 | TInt max_vol = strm->engine->GetMaxVolume(); |
| 1911 | if (max_vol > 0) { |
| 1912 | TInt vol, err; |
| 1913 | |
| 1914 | vol = *(unsigned*)pval * max_vol / 100; |
| 1915 | err = strm->engine->SetVolume(vol); |
| 1916 | status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| 1917 | } else { |
| 1918 | status = PJMEDIA_EAUD_NOTREADY; |
| 1919 | } |
| 1920 | if (status == PJ_SUCCESS) |
| 1921 | strm->param.output_vol = *(unsigned*)pval; |
| 1922 | } |
| 1923 | break; |
| 1924 | default: |
| 1925 | break; |
| 1926 | } |
| 1927 | |
| 1928 | return status; |
| 1929 | } |
| 1930 | |
| 1931 | /* API: Start stream. */ |
| 1932 | static pj_status_t stream_start(pjmedia_aud_stream *strm) |
| 1933 | { |
| 1934 | struct vas_stream *stream = (struct vas_stream*)strm; |
| 1935 | |
| 1936 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1937 | |
| 1938 | if (stream->engine) { |
| 1939 | enum { VAS_WAIT_START = 2000 }; /* in msecs */ |
| 1940 | TTime start, now; |
| 1941 | TInt err = stream->engine->Start(); |
| 1942 | |
| 1943 | if (err != KErrNone) |
| 1944 | return PJ_RETURN_OS_ERROR(err); |
| 1945 | |
| 1946 | /* Perform synchronous start, timeout after VAS_WAIT_START ms */ |
| 1947 | start.UniversalTime(); |
| 1948 | do { |
| 1949 | pj_symbianos_poll(-1, 100); |
| 1950 | now.UniversalTime(); |
| 1951 | } while (!stream->engine->IsStarted() && |
| 1952 | (now.MicroSecondsFrom(start) < VAS_WAIT_START * 1000)); |
| 1953 | |
| 1954 | if (stream->engine->IsStarted()) { |
| 1955 | |
| 1956 | /* Apply output volume setting if specified */ |
| 1957 | if (stream->param.flags & |
| 1958 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) |
| 1959 | { |
| 1960 | stream_set_cap(strm, |
| 1961 | PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 1962 | &stream->param.output_vol); |
| 1963 | } |
| 1964 | |
| 1965 | return PJ_SUCCESS; |
| 1966 | } else { |
| 1967 | return PJ_ETIMEDOUT; |
| 1968 | } |
| 1969 | } |
| 1970 | |
| 1971 | return PJ_EINVALIDOP; |
| 1972 | } |
| 1973 | |
| 1974 | /* API: Stop stream. */ |
| 1975 | static pj_status_t stream_stop(pjmedia_aud_stream *strm) |
| 1976 | { |
| 1977 | struct vas_stream *stream = (struct vas_stream*)strm; |
| 1978 | |
| 1979 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1980 | |
| 1981 | if (stream->engine) { |
| 1982 | stream->engine->Stop(); |
| 1983 | } |
| 1984 | |
| 1985 | return PJ_SUCCESS; |
| 1986 | } |
| 1987 | |
| 1988 | |
| 1989 | /* API: Destroy stream. */ |
| 1990 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm) |
| 1991 | { |
| 1992 | struct vas_stream *stream = (struct vas_stream*)strm; |
| 1993 | |
| 1994 | PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| 1995 | |
| 1996 | stream_stop(strm); |
| 1997 | |
| 1998 | delete stream->engine; |
| 1999 | stream->engine = NULL; |
| 2000 | |
| 2001 | if (stream->param.ext_fmt.id == PJMEDIA_FORMAT_G729) { |
| 2002 | TBitStream *g729_bitstream = (TBitStream*)stream->strm_data; |
| 2003 | stream->strm_data = NULL; |
| 2004 | delete g729_bitstream; |
| 2005 | } |
| 2006 | |
| 2007 | pj_pool_t *pool; |
| 2008 | pool = stream->pool; |
| 2009 | if (pool) { |
| 2010 | stream->pool = NULL; |
| 2011 | pj_pool_release(pool); |
| 2012 | } |
| 2013 | |
| 2014 | return PJ_SUCCESS; |
| 2015 | } |
| 2016 | |
| 2017 | #endif // PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS |
| 2018 | |