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   1 /*
   2  *      Copyright (C) 2010-2013 Team XBMC
   3  *      http://xbmc.org
   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, or (at your option)
   8  *  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 XBMC; see the file COPYING.  If not, see
  17  *  <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "ActiveAE.h"
  22
  23 using namespace ActiveAE;
  24 #include "ActiveAESound.h"
  25 #include "ActiveAEStream.h"
  26 #include "cores/AudioEngine/Utils/AEUtil.h"
  27 #include "cores/AudioEngine/Encoders/AEEncoderFFmpeg.h"
  28
  29 #include "settings/Settings.h"
  30 #include "settings/AdvancedSettings.h"
  31 #include "windowing/WindowingFactory.h"
  32
  33 #define MAX_CACHE_LEVEL 0.5   // total cache time of stream in seconds
  34 #define MAX_WATER_LEVEL 0.25  // buffered time after stream stages in seconds
  35
  36 void CEngineStats::Reset(unsigned int sampleRate)
  37 {
  38   CSingleLock lock(m_lock);
  39   m_sinkUpdate = XbmcThreads::SystemClockMillis();
  40   m_sinkDelay = 0;
  41   m_sinkSampleRate = sampleRate;
  42   m_bufferedSamples = 0;
  43   m_suspended = false;
  44 }
  45
  46 void CEngineStats::UpdateSinkDelay(double delay, int samples)
  47 {
  48   CSingleLock lock(m_lock);
  49   m_sinkUpdate = XbmcThreads::SystemClockMillis();
  50   m_sinkDelay = delay;
  51   if (samples > m_bufferedSamples)
  52   {
  53     CLog::Log(LOGERROR, "CEngineStats::UpdateSinkDelay - inconsistency in buffer time");
  54   }
  55   else
  56     m_bufferedSamples -= samples;
  57 }
  58
  59 void CEngineStats::AddSamples(int samples, std::list<CActiveAEStream*> &streams)
  60 {
  61   CSingleLock lock(m_lock);
  62   m_bufferedSamples += samples;
  63
  64   //update buffered time of streams
  65   std::list<CActiveAEStream*>::iterator it;
  66   for(it=streams.begin(); it!=streams.end(); ++it)
  67   {
  68     float delay = 0;
  69     std::deque<CSampleBuffer*>::iterator itBuf;
  70     for(itBuf=(*it)->m_processingSamples.begin(); itBuf!=(*it)->m_processingSamples.end(); ++itBuf)
  71     {
  72       delay += (float)(*itBuf)->pkt->nb_samples / (*itBuf)->pkt->config.sample_rate;
  73     }
  74     delay += (*it)->m_resampleBuffers->GetDelay();
  75     (*it)->m_bufferedTime = delay;
  76   }
  77 }
  78
  79 float CEngineStats::GetDelay()
  80 {
  81   CSingleLock lock(m_lock);
  82   unsigned int now = XbmcThreads::SystemClockMillis();
  83   float delay = m_sinkDelay - (double)(now-m_sinkUpdate) / 1000;
  84   delay += (float)m_bufferedSamples / m_sinkSampleRate;
  85
  86   if (delay < 0)
  87     delay = 0.0;
  88
  89   return delay;
  90 }
  91
  92 // this is used to sync a/v so we need to add sink latency here
  93 float CEngineStats::GetDelay(CActiveAEStream *stream)
  94 {
  95   CSingleLock lock(m_lock);
  96   unsigned int now = XbmcThreads::SystemClockMillis();
  97   float delay = m_sinkDelay - (double)(now-m_sinkUpdate) / 1000;
  98   delay += m_sinkLatency;
  99   delay += (float)m_bufferedSamples / m_sinkSampleRate;
 100
 101   if (delay < 0)
 102     delay = 0.0;
 103
 104   delay += stream->m_bufferedTime;
 105   return delay;
 106 }
 107
 108 float CEngineStats::GetCacheTime(CActiveAEStream *stream)
 109 {
 110   CSingleLock lock(m_lock);
 111   float delay = (float)m_bufferedSamples / m_sinkSampleRate;
 112
 113   delay += stream->m_bufferedTime;
 114   return delay;
 115 }
 116
 117 float CEngineStats::GetCacheTotal(CActiveAEStream *stream)
 118 {
 119   return MAX_CACHE_LEVEL + m_sinkCacheTotal;
 120 }
 121
 122 float CEngineStats::GetWaterLevel()
 123 {
 124   return (float)m_bufferedSamples / m_sinkSampleRate;
 125 }
 126
 127 void CEngineStats::SetSuspended(bool state)
 128 {
 129   CSingleLock lock(m_lock);
 130   m_suspended = state;
 131 }
 132
 133 bool CEngineStats::IsSuspended()
 134 {
 135   CSingleLock lock(m_lock);
 136   return m_suspended;
 137 }
 138
 139 CActiveAE::CActiveAE() :
 140   CThread("ActiveAE"),
 141   m_controlPort("OutputControlPort", &m_inMsgEvent, &m_outMsgEvent),
 142   m_dataPort("OutputDataPort", &m_inMsgEvent, &m_outMsgEvent),
 143   m_sink(&m_outMsgEvent)
 144 {
 145   m_sinkBuffers = NULL;
 146   m_silenceBuffers = NULL;
 147   m_encoderBuffers = NULL;
 148   m_vizBuffers = NULL;
 149   m_vizBuffersInput = NULL;
 150   m_volume = 1.0;
 151   m_aeVolume = 1.0;
 152   m_muted = false;
 153   m_aeMuted = false;
 154   m_mode = MODE_PCM;
 155   m_encoder = NULL;
 156   m_audioCallback = NULL;
 157   m_vizInitialized = false;
 158   m_sinkHasVolume = false;
 159 }
 160
 161 CActiveAE::~CActiveAE()
 162 {
 163   Dispose();
 164 }
 165
 166 void CActiveAE::Dispose()
 167 {
 168 #if defined(HAS_GLX) || defined(TARGET_DARWIN_OSX)
 169   g_Windowing.Unregister(this);
 170 #endif
 171
 172   m_bStop = true;
 173   m_outMsgEvent.Set();
 174   StopThread();
 175   m_controlPort.Purge();
 176   m_dataPort.Purge();
 177   m_sink.Dispose();
 178
 179   m_dllAvFormat.Unload();
 180   m_dllAvCodec.Unload();
 181   m_dllAvUtil.Unload();
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // Behavior
 186 //-----------------------------------------------------------------------------
 187
 188 enum AE_STATES
 189 {
 190   AE_TOP = 0,                      // 0
 191   AE_TOP_ERROR,                    // 1
 192   AE_TOP_UNCONFIGURED,             // 2
 193   AE_TOP_RECONFIGURING,            // 3
 194   AE_TOP_CONFIGURED,               // 4
 195   AE_TOP_CONFIGURED_SUSPEND,       // 5
 196   AE_TOP_CONFIGURED_IDLE,          // 6
 197   AE_TOP_CONFIGURED_PLAY,          // 7
 198 };
 199
 200 int AE_parentStates[] = {
 201     -1,
 202     0, //TOP_ERROR
 203     0, //TOP_UNCONFIGURED
 204     0, //TOP_CONFIGURED
 205     0, //TOP_RECONFIGURING
 206     4, //TOP_CONFIGURED_SUSPEND
 207     4, //TOP_CONFIGURED_IDLE
 208     4, //TOP_CONFIGURED_PLAY
 209 };
 210
 211 void CActiveAE::StateMachine(int signal, Protocol *port, Message *msg)
 212 {
 213   for (int state = m_state; ; state = AE_parentStates[state])
 214   {
 215     switch (state)
 216     {
 217     case AE_TOP: // TOP
 218       if (port == &m_controlPort)
 219       {
 220         switch (signal)
 221         {
 222         case CActiveAEControlProtocol::GETSTATE:
 223           msg->Reply(CActiveAEControlProtocol::ACC, &m_state, sizeof(m_state));
 224           return;
 225         case CActiveAEControlProtocol::VOLUME:
 226           m_volume = *(float*)msg->data;
 227           if (m_sinkHasVolume)
 228             m_sink.m_controlPort.SendOutMessage(CSinkControlProtocol::VOLUME, &m_volume, sizeof(float));
 229           return;
 230         case CActiveAEControlProtocol::MUTE:
 231           m_muted = *(bool*)msg->data;
 232           return;
 233         case CActiveAEControlProtocol::KEEPCONFIG:
 234           m_extKeepConfig = *(unsigned int*)msg->data;
 235           return;
 236         case CActiveAEControlProtocol::DISPLAYRESET:
 237           return;
 238         default:
 239           break;
 240         }
 241       }
 242       else if (port == &m_dataPort)
 243       {
 244         switch (signal)
 245         {
 246         case CActiveAEDataProtocol::NEWSOUND:
 247           CActiveAESound *sound;
 248           sound = *(CActiveAESound**)msg->data;
 249           if (sound)
 250           {
 251             m_sounds.push_back(sound);
 252             ResampleSounds();
 253           }
 254           return;
 255         case CActiveAEDataProtocol::FREESTREAM:
 256           CActiveAEStream *stream;
 257           stream = *(CActiveAEStream**)msg->data;
 258           DiscardStream(stream);
 259           return;
 260         case CActiveAEDataProtocol::FREESOUND:
 261           sound = *(CActiveAESound**)msg->data;
 262           DiscardSound(sound);
 263           return;
 264         case CActiveAEDataProtocol::DRAINSTREAM:
 265           stream = *(CActiveAEStream**)msg->data;
 266           stream->m_drain = true;
 267           stream->m_resampleBuffers->m_drain = true;
 268           msg->Reply(CActiveAEDataProtocol::ACC);
 269           stream->m_streamPort->SendInMessage(CActiveAEDataProtocol::STREAMDRAINED);
 270           return;
 271         default:
 272           break;
 273         }
 274       }
 275       else if (port == &m_sink.m_dataPort)
 276       {
 277         switch (signal)
 278         {
 279         case CSinkDataProtocol::RETURNSAMPLE:
 280           CSampleBuffer **buffer;
 281           buffer = (CSampleBuffer**)msg->data;
 282           if (buffer)
 283           {
 284             (*buffer)->Return();
 285           }
 286           return;
 287         default:
 288           break;
 289         }
 290       }
 291       {
 292         std::string portName = port == NULL ? "timer" : port->portName;
 293         CLog::Log(LOGWARNING, "CActiveAE::%s - signal: %d from port: %s not handled for state: %d", __FUNCTION__, signal, portName.c_str(), m_state);
 294       }
 295       return;
 296
 297     case AE_TOP_ERROR:
 298       if (port == NULL) // timeout
 299       {
 300         switch (signal)
 301         {
 302         case CActiveAEControlProtocol::TIMEOUT:
 303           m_extError = false;
 304           LoadSettings();
 305           Configure();
 306           if (!m_extError)
 307           {
 308             m_state = AE_TOP_CONFIGURED_IDLE;
 309             m_extTimeout = 0;
 310           }
 311           else
 312           {
 313             m_state = AE_TOP_ERROR;
 314             m_extTimeout = 500;
 315           }
 316           return;
 317         default:
 318           break;
 319         }
 320       }
 321       break;
 322
 323     case AE_TOP_UNCONFIGURED:
 324       if (port == &m_controlPort)
 325       {
 326         switch (signal)
 327         {
 328         case CActiveAEControlProtocol::INIT:
 329           m_extError = false;
 330           m_sink.EnumerateSinkList(false);
 331           LoadSettings();
 332           Configure();
 333           msg->Reply(CActiveAEControlProtocol::ACC);
 334           if (!m_extError)
 335           {
 336             m_state = AE_TOP_CONFIGURED_IDLE;
 337             m_extTimeout = 0;
 338           }
 339           else
 340           {
 341             m_state = AE_TOP_ERROR;
 342             m_extTimeout = 500;
 343           }
 344           return;
 345
 346         default:
 347           break;
 348         }
 349       }
 350       break;
 351
 352     case AE_TOP_RECONFIGURING:
 353       if (port == NULL) // timeout
 354       {
 355         switch (signal)
 356         {
 357         case CActiveAEControlProtocol::TIMEOUT:
 358           // drain
 359           if (RunStages())
 360           {
 361             m_extTimeout = 0;
 362             return;
 363           }
 364           if (!m_sinkBuffers->m_inputSamples.empty() || !m_sinkBuffers->m_outputSamples.empty())
 365           {
 366             m_extTimeout = 100;
 367             return;
 368           }
 369           if (NeedReconfigureSink())
 370             DrainSink();
 371
 372           if (!m_extError)
 373             Configure();
 374           if (!m_extError)
 375           {
 376             m_state = AE_TOP_CONFIGURED_PLAY;
 377             m_extTimeout = 0;
 378           }
 379           else
 380           {
 381             m_state = AE_TOP_ERROR;
 382             m_extTimeout = 500;
 383           }
 384           m_extDeferData = false;
 385           return;
 386         default:
 387           break;
 388         }
 389       }
 390       break;
 391
 392     case AE_TOP_CONFIGURED:
 393       if (port == &m_controlPort)
 394       {
 395         switch (signal)
 396         {
 397         case CActiveAEControlProtocol::RECONFIGURE:
 398           if (m_streams.empty())
 399           {
 400             bool silence = false;
 401             m_sink.m_controlPort.SendOutMessage(CSinkControlProtocol::SILENCEMODE, &silence, sizeof(bool));
 402           }
 403           LoadSettings();
 404           ChangeResamplers();
 405           if (!NeedReconfigureBuffers() && !NeedReconfigureSink())
 406             return;
 407           m_state = AE_TOP_RECONFIGURING;
 408           m_extTimeout = 0;
 409           // don't accept any data until we are reconfigured
 410           m_extDeferData = true;
 411           return;
 412         case CActiveAEControlProtocol::SUSPEND:
 413           UnconfigureSink();
 414           m_stats.SetSuspended(true);
 415           m_state = AE_TOP_CONFIGURED_SUSPEND;
 416           m_extDeferData = true;
 417           return;
 418         case CActiveAEControlProtocol::DISPLAYLOST:
 419           if (m_sink.GetDeviceType(m_mode == MODE_PCM ? m_settings.device : m_settings.passthoughdevice) == AE_DEVTYPE_HDMI)
 420           {
 421             UnconfigureSink();
 422             m_stats.SetSuspended(true);
 423             m_state = AE_TOP_CONFIGURED_SUSPEND;
 424             m_extDeferData = true;
 425           }
 426           msg->Reply(CActiveAEControlProtocol::ACC);
 427           return;
 428         case CActiveAEControlProtocol::PAUSESTREAM:
 429           CActiveAEStream *stream;
 430           stream = *(CActiveAEStream**)msg->data;
 431           if (stream->m_paused != true && m_streams.size() == 1)
 432             FlushEngine();
 433           stream->m_paused = true;
 434           return;
 435         case CActiveAEControlProtocol::RESUMESTREAM:
 436           stream = *(CActiveAEStream**)msg->data;
 437           stream->m_paused = false;
 438           m_extTimeout = 0;
 439           return;
 440         case CActiveAEControlProtocol::FLUSHSTREAM:
 441           stream = *(CActiveAEStream**)msg->data;
 442           SFlushStream(stream);
 443           msg->Reply(CActiveAEControlProtocol::ACC);
 444           m_extTimeout = 0;
 445           return;
 446         case CActiveAEControlProtocol::STREAMAMP:
 447           MsgStreamParameter *par;
 448           par = (MsgStreamParameter*)msg->data;
 449           par->stream->m_limiter.SetAmplification(par->parameter.float_par);
 450           par->stream->m_amplify = par->parameter.float_par;
 451           return;
 452         case CActiveAEControlProtocol::STREAMVOLUME:
 453           par = (MsgStreamParameter*)msg->data;
 454           par->stream->m_volume = par->parameter.float_par;
 455           return;
 456         case CActiveAEControlProtocol::STREAMRGAIN:
 457           par = (MsgStreamParameter*)msg->data;
 458           par->stream->m_rgain = par->parameter.float_par;
 459           return;
 460         case CActiveAEControlProtocol::STREAMRESAMPLERATIO:
 461           par = (MsgStreamParameter*)msg->data;
 462           if (par->stream->m_resampleBuffers)
 463           {
 464             par->stream->m_resampleBuffers->m_resampleRatio = par->parameter.double_par;
 465           }
 466           return;
 467         case CActiveAEControlProtocol::STREAMFADE:
 468           MsgStreamFade *fade;
 469           fade = (MsgStreamFade*)msg->data;
 470           fade->stream->m_fadingBase = fade->from;
 471           fade->stream->m_fadingTarget = fade->target;
 472           fade->stream->m_fadingTime = fade->millis;
 473           fade->stream->m_fadingSamples = -1;
 474           return;
 475         case CActiveAEControlProtocol::STOPSOUND:
 476           CActiveAESound *sound;
 477           sound = *(CActiveAESound**)msg->data;
 478           SStopSound(sound);
 479           return;
 480         default:
 481           break;
 482         }
 483       }
 484       else if (port == &m_dataPort)
 485       {
 486         switch (signal)
 487         {
 488         case CActiveAEDataProtocol::PLAYSOUND:
 489           CActiveAESound *sound;
 490           sound = *(CActiveAESound**)msg->data;
 491           if (m_settings.guisoundmode == AE_SOUND_OFF ||
 492              (m_settings.guisoundmode == AE_SOUND_IDLE && !m_streams.empty()))
 493             return;
 494           if (sound)
 495           {
 496             SoundState st = {sound, 0};
 497             m_sounds_playing.push_back(st);
 498             m_extTimeout = 0;
 499             m_state = AE_TOP_CONFIGURED_PLAY;
 500           }
 501           return;
 502         case CActiveAEDataProtocol::NEWSTREAM:
 503           MsgStreamNew *streamMsg;
 504           CActiveAEStream *stream;
 505           streamMsg = (MsgStreamNew*)msg->data;
 506           stream = CreateStream(streamMsg);
 507           if(stream)
 508           {
 509             msg->Reply(CActiveAEDataProtocol::ACC, &stream, sizeof(CActiveAEStream*));
 510             LoadSettings();
 511             Configure();
 512             if (!m_extError)
 513             {
 514               m_state = AE_TOP_CONFIGURED_PLAY;
 515               m_extTimeout = 0;
 516             }
 517             else
 518             {
 519               m_state = AE_TOP_ERROR;
 520               m_extTimeout = 500;
 521             }
 522           }
 523           else
 524             msg->Reply(CActiveAEDataProtocol::ERR);
 525           return;
 526         case CActiveAEDataProtocol::STREAMSAMPLE:
 527           MsgStreamSample *msgData;
 528           CSampleBuffer *samples;
 529           msgData = (MsgStreamSample*)msg->data;
 530           samples = msgData->stream->m_processingSamples.front();
 531           msgData->stream->m_processingSamples.pop_front();
 532           if (samples != msgData->buffer)
 533             CLog::Log(LOGERROR, "CActiveAE - inconsistency in stream sample message");
 534           if (msgData->buffer->pkt->nb_samples == 0)
 535             msgData->buffer->Return();
 536           else
 537             msgData->stream->m_resampleBuffers->m_inputSamples.push_back(msgData->buffer);
 538           m_extTimeout = 0;
 539           m_state = AE_TOP_CONFIGURED_PLAY;
 540           return;
 541         case CActiveAEDataProtocol::FREESTREAM:
 542           stream = *(CActiveAEStream**)msg->data;
 543           DiscardStream(stream);
 544           if (m_streams.empty())
 545           {
 546             if (m_extKeepConfig)
 547               m_extDrainTimer.Set(m_extKeepConfig);
 548             else
 549               m_extDrainTimer.Set(m_stats.GetDelay() * 1000);
 550             m_extDrain = true;
 551           }
 552           m_extTimeout = 0;
 553           m_state = AE_TOP_CONFIGURED_PLAY;
 554           return;
 555         case CActiveAEDataProtocol::DRAINSTREAM:
 556           stream = *(CActiveAEStream**)msg->data;
 557           stream->m_drain = true;
 558           stream->m_resampleBuffers->m_drain = true;
 559           m_extTimeout = 0;
 560           m_state = AE_TOP_CONFIGURED_PLAY;
 561           msg->Reply(CActiveAEDataProtocol::ACC);
 562           return;
 563         default:
 564           break;
 565         }
 566       }
 567       else if (port == &m_sink.m_dataPort)
 568       {
 569         switch (signal)
 570         {
 571         case CSinkDataProtocol::RETURNSAMPLE:
 572           CSampleBuffer **buffer;
 573           buffer = (CSampleBuffer**)msg->data;
 574           if (buffer)
 575           {
 576             (*buffer)->Return();
 577           }
 578           m_extTimeout = 0;
 579           m_state = AE_TOP_CONFIGURED_PLAY;
 580           return;
 581         default:
 582           break;
 583         }
 584       }
 585       break;
 586
 587     case AE_TOP_CONFIGURED_SUSPEND:
 588       if (port == &m_controlPort)
 589       {
 590         bool displayReset = false;
 591         switch (signal)
 592         {
 593         case CActiveAEControlProtocol::DISPLAYRESET:
 594           displayReset = true;
 595         case CActiveAEControlProtocol::INIT:
 596           m_extError = false;
 597           if (!displayReset)
 598           {
 599             m_sink.EnumerateSinkList(true);
 600             LoadSettings();
 601           }
 602           Configure();
 603           if (!displayReset)
 604             msg->Reply(CActiveAEControlProtocol::ACC);
 605           if (!m_extError)
 606           {
 607             m_state = AE_TOP_CONFIGURED_PLAY;
 608             m_extTimeout = 0;
 609           }
 610           else
 611           {
 612             m_state = AE_TOP_ERROR;
 613             m_extTimeout = 500;
 614           }
 615           m_stats.SetSuspended(false);
 616           m_extDeferData = false;
 617           return;
 618         default:
 619           break;
 620         }
 621       }
 622       else if (port == &m_sink.m_dataPort)
 623       {
 624         switch (signal)
 625         {
 626         case CSinkDataProtocol::RETURNSAMPLE:
 627           CSampleBuffer **buffer;
 628           buffer = (CSampleBuffer**)msg->data;
 629           if (buffer)
 630           {
 631             (*buffer)->Return();
 632           }
 633           return;
 634         default:
 635           break;
 636         }
 637       }
 638       else if (port == NULL) // timeout
 639       {
 640         switch (signal)
 641         {
 642         case CActiveAEControlProtocol::TIMEOUT:
 643           m_extTimeout = 1000;
 644           return;
 645         default:
 646           break;
 647         }
 648       }
 649       break;
 650
 651     case AE_TOP_CONFIGURED_IDLE:
 652       if (port == &m_controlPort)
 653       {
 654         switch (signal)
 655         {
 656         case CActiveAEControlProtocol::RESUMESTREAM:
 657           CActiveAEStream *stream;
 658           stream = *(CActiveAEStream**)msg->data;
 659           stream->m_paused = false;
 660           m_state = AE_TOP_CONFIGURED_PLAY;
 661           m_extTimeout = 0;
 662           return;
 663         case CActiveAEControlProtocol::FLUSHSTREAM:
 664           stream = *(CActiveAEStream**)msg->data;
 665           SFlushStream(stream);
 666           msg->Reply(CActiveAEControlProtocol::ACC);
 667           m_state = AE_TOP_CONFIGURED_PLAY;
 668           m_extTimeout = 0;
 669           return;
 670         default:
 671           break;
 672         }
 673       }
 674       else if (port == NULL) // timeout
 675       {
 676         switch (signal)
 677         {
 678         case CActiveAEControlProtocol::TIMEOUT:
 679           ResampleSounds();
 680           ClearDiscardedBuffers();
 681           if (m_extDrain)
 682           {
 683             if (m_extDrainTimer.IsTimePast())
 684             {
 685               Configure();
 686               if (!m_extError)
 687               {
 688                 m_state = AE_TOP_CONFIGURED_PLAY;
 689                 m_extTimeout = 0;
 690               }
 691               else
 692               {
 693                 m_state = AE_TOP_ERROR;
 694                 m_extTimeout = 500;
 695               }
 696             }
 697             else
 698               m_extTimeout = m_extDrainTimer.MillisLeft();
 699           }
 700           else
 701             m_extTimeout = 5000;
 702           return;
 703         default:
 704           break;
 705         }
 706       }
 707       break;
 708
 709     case AE_TOP_CONFIGURED_PLAY:
 710       if (port == NULL) // timeout
 711       {
 712         switch (signal)
 713         {
 714         case CActiveAEControlProtocol::TIMEOUT:
 715           if (m_extError)
 716           {
 717             m_state = AE_TOP_ERROR;
 718             m_extTimeout = 100;
 719             return;
 720           }
 721           if (RunStages())
 722           {
 723             m_extTimeout = 0;
 724             return;
 725           }
 726           if (!m_extDrain && HasWork())
 727           {
 728             ClearDiscardedBuffers();
 729             m_extTimeout = 100;
 730             return;
 731           }
 732           m_extTimeout = 0;
 733           m_state = AE_TOP_CONFIGURED_IDLE;
 734           return;
 735         default:
 736           break;
 737         }
 738       }
 739       break;
 740
 741     default: // we are in no state, should not happen
 742       CLog::Log(LOGERROR, "CActiveAE::%s - no valid state: %d", __FUNCTION__, m_state);
 743       return;
 744     }
 745   } // for
 746 }
 747
 748 void CActiveAE::Process()
 749 {
 750   Message *msg = NULL;
 751   Protocol *port = NULL;
 752   bool gotMsg;
 753   XbmcThreads::EndTime timer;
 754
 755   m_state = AE_TOP_UNCONFIGURED;
 756   m_extTimeout = 1000;
 757   m_bStateMachineSelfTrigger = false;
 758   m_extDrain = false;
 759   m_extDeferData = false;
 760   m_extKeepConfig = 0;
 761
 762   // start sink
 763   m_sink.Start();
 764
 765   while (!m_bStop)
 766   {
 767     gotMsg = false;
 768     timer.Set(m_extTimeout);
 769
 770     if (m_bStateMachineSelfTrigger)
 771     {
 772       m_bStateMachineSelfTrigger = false;
 773       // self trigger state machine
 774       StateMachine(msg->signal, port, msg);
 775       if (!m_bStateMachineSelfTrigger)
 776       {
 777         msg->Release();
 778         msg = NULL;
 779       }
 780       continue;
 781     }
 782     // check control port
 783     else if (m_controlPort.ReceiveOutMessage(&msg))
 784     {
 785       gotMsg = true;
 786       port = &m_controlPort;
 787     }
 788     // check sink data port
 789     else if (m_sink.m_dataPort.ReceiveInMessage(&msg))
 790     {
 791       gotMsg = true;
 792       port = &m_sink.m_dataPort;
 793     }
 794     else if (!m_extDeferData)
 795     {
 796       // check data port
 797       if (m_dataPort.ReceiveOutMessage(&msg))
 798       {
 799         gotMsg = true;
 800         port = &m_dataPort;
 801       }
 802       // stream data ports
 803       else
 804       {
 805         std::list<CActiveAEStream*>::iterator it;
 806         for(it=m_streams.begin(); it!=m_streams.end(); ++it)
 807         {
 808           if((*it)->m_streamPort->ReceiveOutMessage(&msg))
 809           {
 810             gotMsg = true;
 811             port = &m_dataPort;
 812             break;
 813           }
 814         }
 815       }
 816     }
 817
 818     if (gotMsg)
 819     {
 820       StateMachine(msg->signal, port, msg);
 821       if (!m_bStateMachineSelfTrigger)
 822       {
 823         msg->Release();
 824         msg = NULL;
 825       }
 826       continue;
 827     }
 828
 829     // wait for message
 830     else if (m_outMsgEvent.WaitMSec(m_extTimeout))
 831     {
 832       m_extTimeout = timer.MillisLeft();
 833       continue;
 834     }
 835     // time out
 836     else
 837     {
 838       msg = m_controlPort.GetMessage();
 839       msg->signal = CActiveAEControlProtocol::TIMEOUT;
 840       port = 0;
 841       // signal timeout to state machine
 842       StateMachine(msg->signal, port, msg);
 843       if (!m_bStateMachineSelfTrigger)
 844       {
 845         msg->Release();
 846         msg = NULL;
 847       }
 848     }
 849   }
 850 }
 851
 852 AEAudioFormat CActiveAE::GetInputFormat(AEAudioFormat *desiredFmt)
 853 {
 854   AEAudioFormat inputFormat;
 855
 856   if (m_streams.empty())
 857   {
 858     inputFormat.m_dataFormat    = AE_FMT_FLOAT;
 859     inputFormat.m_sampleRate    = 44100;
 860     inputFormat.m_encodedRate   = 0;
 861     inputFormat.m_channelLayout = AE_CH_LAYOUT_2_0;
 862     inputFormat.m_frames        = 0;
 863     inputFormat.m_frameSamples  = 0;
 864     inputFormat.m_frameSize     = 0;
 865   }
 866   // force input format after unpausing slave
 867   else if (desiredFmt != NULL)
 868   {
 869     inputFormat = *desiredFmt;
 870   }
 871   // keep format when having multiple streams
 872   else if (m_streams.size() > 1 && m_silenceBuffers == NULL)
 873   {
 874     inputFormat = m_inputFormat;
 875   }
 876   else
 877   {
 878     inputFormat = m_streams.front()->m_format;
 879     m_inputFormat = inputFormat;
 880   }
 881
 882   return inputFormat;
 883 }
 884
 885 void CActiveAE::Configure(AEAudioFormat *desiredFmt)
 886 {
 887   bool initSink = false;
 888
 889   AEAudioFormat sinkInputFormat, inputFormat;
 890   AEAudioFormat oldInternalFormat = m_internalFormat;
 891   AEAudioFormat oldSinkRequestFormat = m_sinkRequestFormat;
 892
 893   inputFormat = GetInputFormat(desiredFmt);
 894
 895   m_sinkRequestFormat = inputFormat;
 896   ApplySettingsToFormat(m_sinkRequestFormat, m_settings, (int*)&m_mode);
 897   m_extKeepConfig = 0;
 898
 899   std::string device = AE_IS_RAW(m_sinkRequestFormat.m_dataFormat) ? m_settings.passthoughdevice : m_settings.device;
 900   std::string driver;
 901   CAESinkFactory::ParseDevice(device, driver);
 902   if ((!CompareFormat(m_sinkRequestFormat, m_sinkFormat) && !CompareFormat(m_sinkRequestFormat, oldSinkRequestFormat)) ||
 903       m_currDevice.compare(device) != 0 ||
 904       m_settings.driver.compare(driver) != 0)
 905   {
 906     if (!InitSink())
 907       return;
 908     m_settings.driver = driver;
 909     m_currDevice = device;
 910     initSink = true;
 911     m_stats.Reset(m_sinkFormat.m_sampleRate);
 912     m_sink.m_controlPort.SendOutMessage(CSinkControlProtocol::VOLUME, &m_volume, sizeof(float));
 913
 914     // limit buffer size in case of sink returns large buffer
 915     unsigned int buffertime = (m_sinkFormat.m_frames*1000) / m_sinkFormat.m_sampleRate;
 916     if (buffertime > 80)
 917     {
 918       CLog::Log(LOGWARNING, "ActiveAE::%s - sink returned large buffer of %d ms, reducing to 80 ms", __FUNCTION__, buffertime);
 919       m_sinkFormat.m_frames = 80 * m_sinkFormat.m_sampleRate / 1000;
 920     }
 921   }
 922
 923   if (m_silenceBuffers)
 924   {
 925     m_discardBufferPools.push_back(m_silenceBuffers);
 926     m_silenceBuffers = NULL;
 927   }
 928
 929   // buffers for driving gui sounds if no streams are active
 930   if (m_streams.empty())
 931   {
 932     inputFormat = m_sinkFormat;
 933     inputFormat.m_dataFormat = AE_FMT_FLOAT;
 934     inputFormat.m_frameSize = inputFormat.m_channelLayout.Count() *
 935                               (CAEUtil::DataFormatToBits(inputFormat.m_dataFormat) >> 3);
 936     m_silenceBuffers = new CActiveAEBufferPool(inputFormat);
 937     m_silenceBuffers->Create(MAX_WATER_LEVEL*1000);
 938     sinkInputFormat = inputFormat;
 939     m_internalFormat = inputFormat;
 940
 941     bool silence = false;
 942     m_sink.m_controlPort.SendOutMessage(CSinkControlProtocol::SILENCEMODE, &silence, sizeof(bool));
 943
 944     delete m_encoder;
 945     m_encoder = NULL;
 946
 947     if (m_encoderBuffers)
 948     {
 949       m_discardBufferPools.push_back(m_encoderBuffers);
 950       m_encoderBuffers = NULL;
 951     }
 952     if (m_vizBuffers)
 953     {
 954       m_discardBufferPools.push_back(m_vizBuffers);
 955       m_vizBuffers = NULL;
 956     }
 957     if (m_vizBuffersInput)
 958     {
 959       m_discardBufferPools.push_back(m_vizBuffersInput);
 960       m_vizBuffersInput = NULL;
 961     }
 962   }
 963   // resample buffers for streams
 964   else
 965   {
 966     bool silence = true;
 967     m_sink.m_controlPort.SendOutMessage(CSinkControlProtocol::SILENCEMODE, &silence, sizeof(bool));
 968
 969     AEAudioFormat outputFormat;
 970     if (m_mode == MODE_RAW)
 971     {
 972       inputFormat.m_frames = m_sinkFormat.m_frames;
 973       outputFormat = inputFormat;
 974       sinkInputFormat = m_sinkFormat;
 975     }
 976     // transcode everything with more than 2 channels
 977     else if (m_mode == MODE_TRANSCODE)
 978     {
 979       outputFormat = inputFormat;
 980       outputFormat.m_dataFormat = AE_FMT_FLOATP;
 981       outputFormat.m_sampleRate = 48000;
 982
 983       // setup encoder
 984       if (!m_encoder)
 985       {
 986         m_encoder = new CAEEncoderFFmpeg();
 987         m_encoder->Initialize(outputFormat, true);
 988         m_encoderFormat = outputFormat;
 989       }
 990       else
 991         outputFormat = m_encoderFormat;
 992
 993       outputFormat.m_channelLayout = m_encoderFormat.m_channelLayout;
 994       outputFormat.m_frames = m_encoderFormat.m_frames;
 995
 996       // encoder buffer
 997       if (m_encoder->GetCodecID() == AV_CODEC_ID_AC3)
 998       {
 999         AEAudioFormat format;
1000         format.m_channelLayout = AE_CH_LAYOUT_2_0;
1001         format.m_dataFormat = AE_FMT_S16NE;
1002         format.m_frameSize = 2* (CAEUtil::DataFormatToBits(format.m_dataFormat) >> 3);
1003         format.m_frames = AC3_FRAME_SIZE;
1004         format.m_sampleRate = 48000;
1005         format.m_encodedRate = m_encoderFormat.m_sampleRate;
1006         if (m_encoderBuffers && initSink)
1007         {
1008           m_discardBufferPools.push_back(m_encoderBuffers);
1009           m_encoderBuffers = NULL;
1010         }
1011         if (!m_encoderBuffers)
1012         {
1013           m_encoderBuffers = new CActiveAEBufferPool(format);
1014           m_encoderBuffers->Create(MAX_WATER_LEVEL*1000);
1015         }
1016       }
1017
1018       sinkInputFormat = m_sinkFormat;
1019     }
1020     else
1021     {
1022       outputFormat = m_sinkFormat;
1023       outputFormat.m_dataFormat = AE_FMT_FLOAT;
1024       outputFormat.m_frameSize = outputFormat.m_channelLayout.Count() *
1025                                  (CAEUtil::DataFormatToBits(outputFormat.m_dataFormat) >> 3);
1026       // TODO: adjust to decoder
1027       sinkInputFormat = outputFormat;
1028     }
1029     m_internalFormat = outputFormat;
1030
1031     std::list<CActiveAEStream*>::iterator it;
1032     for(it=m_streams.begin(); it!=m_streams.end(); ++it)
1033     {
1034       // check if we support input format of stream
1035       if (!AE_IS_RAW((*it)->m_format.m_dataFormat) &&
1036           CActiveAEResample::GetAVSampleFormat((*it)->m_format.m_dataFormat) == AV_SAMPLE_FMT_FLT &&
1037           (*it)->m_format.m_dataFormat != AE_FMT_FLOAT)
1038       {
1039         (*it)->m_convertFn = CAEConvert::ToFloat((*it)->m_format.m_dataFormat);
1040         (*it)->m_format.m_dataFormat = AE_FMT_FLOAT;
1041       }
1042
1043       if (!(*it)->m_inputBuffers)
1044       {
1045         // align input buffers with period of sink or encoder
1046         (*it)->m_format.m_frames = m_internalFormat.m_frames * ((float)(*it)->m_format.m_sampleRate / m_internalFormat.m_sampleRate);
1047
1048         // create buffer pool
1049         (*it)->m_inputBuffers = new CActiveAEBufferPool((*it)->m_format);
1050         (*it)->m_inputBuffers->Create(MAX_CACHE_LEVEL*1000);
1051         (*it)->m_streamSpace = (*it)->m_format.m_frameSize * (*it)->m_format.m_frames;
1052
1053         // if input format does not follow ffmpeg channel mask, we may need to remap channels
1054         (*it)->InitRemapper();
1055       }
1056       if (initSink && (*it)->m_resampleBuffers)
1057       {
1058         m_discardBufferPools.push_back((*it)->m_resampleBuffers);
1059         (*it)->m_resampleBuffers = NULL;
1060       }
1061       if (!(*it)->m_resampleBuffers)
1062       {
1063         (*it)->m_resampleBuffers = new CActiveAEBufferPoolResample((*it)->m_inputBuffers->m_format, outputFormat, m_settings.resampleQuality);
1064         (*it)->m_resampleBuffers->m_changeResampler = (*it)->m_forceResampler;
1065         (*it)->m_resampleBuffers->Create(MAX_CACHE_LEVEL*1000, false, m_settings.stereoupmix, m_settings.normalizelevels);
1066       }
1067       if (m_mode == MODE_TRANSCODE || m_streams.size() > 1)
1068         (*it)->m_resampleBuffers->m_fillPackets = true;
1069
1070       // amplification
1071       (*it)->m_limiter.SetSamplerate(outputFormat.m_sampleRate);
1072     }
1073
1074     // update buffered time of streams
1075     m_stats.AddSamples(0, m_streams);
1076
1077     // buffers for viz
1078     if (!AE_IS_RAW(inputFormat.m_dataFormat))
1079     {
1080       if (initSink && m_vizBuffers)
1081       {
1082         m_discardBufferPools.push_back(m_vizBuffers);
1083         m_vizBuffers = NULL;
1084         m_discardBufferPools.push_back(m_vizBuffersInput);
1085         m_vizBuffersInput = NULL;
1086       }
1087       if (!m_vizBuffers)
1088       {
1089         AEAudioFormat vizFormat = m_internalFormat;
1090         vizFormat.m_channelLayout = AE_CH_LAYOUT_2_0;
1091         vizFormat.m_dataFormat = AE_FMT_FLOAT;
1092
1093         // input buffers
1094         m_vizBuffersInput = new CActiveAEBufferPool(m_internalFormat);
1095         m_vizBuffersInput->Create(2000);
1096
1097         // resample buffers
1098         m_vizBuffers = new CActiveAEBufferPoolResample(m_internalFormat, vizFormat, m_settings.resampleQuality);
1099         // TODO use cache of sync + water level
1100         m_vizBuffers->Create(2000, false, false);
1101         m_vizInitialized = false;
1102       }
1103     }
1104   }
1105
1106   // resample buffers for sink
1107   if (m_sinkBuffers &&
1108      (!CompareFormat(m_sinkBuffers->m_format,m_sinkFormat) || !CompareFormat(m_sinkBuffers->m_inputFormat, sinkInputFormat)))
1109   {
1110     m_discardBufferPools.push_back(m_sinkBuffers);
1111     m_sinkBuffers = NULL;
1112   }
1113   if (!m_sinkBuffers)
1114   {
1115     m_sinkBuffers = new CActiveAEBufferPoolResample(sinkInputFormat, m_sinkFormat, m_settings.resampleQuality);
1116     m_sinkBuffers->Create(MAX_WATER_LEVEL*1000, true, false);
1117   }
1118
1119   // reset gui sounds
1120   if (!CompareFormat(oldInternalFormat, m_internalFormat))
1121   {
1122     if (m_settings.guisoundmode == AE_SOUND_ALWAYS ||
1123        (m_settings.guisoundmode == AE_SOUND_IDLE && m_streams.empty()))
1124     {
1125       std::vector<CActiveAESound*>::iterator it;
1126       for (it = m_sounds.begin(); it != m_sounds.end(); ++it)
1127       {
1128         (*it)->SetConverted(false);
1129       }
1130     }
1131     m_sounds_playing.clear();
1132   }
1133
1134   ClearDiscardedBuffers();
1135   m_extDrain = false;
1136 }
1137
1138 CActiveAEStream* CActiveAE::CreateStream(MsgStreamNew *streamMsg)
1139 {
1140   // we only can handle a single pass through stream
1141   bool hasRawStream = false;
1142   bool hasStream = false;
1143   std::list<CActiveAEStream*>::iterator it;
1144   for(it = m_streams.begin(); it != m_streams.end(); ++it)
1145   {
1146     if((*it)->IsDrained())
1147       continue;
1148     if(AE_IS_RAW((*it)->m_format.m_dataFormat))
1149       hasRawStream = true;
1150     hasStream = true;
1151   }
1152   if (hasRawStream || (hasStream && AE_IS_RAW(streamMsg->format.m_dataFormat)))
1153   {
1154     return NULL;
1155   }
1156
1157   // create the stream
1158   CActiveAEStream *stream;
1159   stream = new CActiveAEStream(&streamMsg->format);
1160   stream->m_streamPort = new CActiveAEDataProtocol("stream",
1161                              &stream->m_inMsgEvent, &m_outMsgEvent);
1162
1163   // create buffer pool
1164   stream->m_inputBuffers = NULL; // create in Configure when we know the sink format
1165   stream->m_resampleBuffers = NULL; // create in Configure when we know the sink format
1166   stream->m_statsLock = m_stats.GetLock();
1167   stream->m_fadingSamples = 0;
1168   stream->m_started = false;
1169
1170   if (streamMsg->options & AESTREAM_PAUSED)
1171     stream->m_paused = true;
1172
1173   if (streamMsg->options & AESTREAM_FORCE_RESAMPLE)
1174     stream->m_forceResampler = true;
1175
1176   m_streams.push_back(stream);
1177
1178   return stream;
1179 }
1180
1181 void CActiveAE::DiscardStream(CActiveAEStream *stream)
1182 {
1183   std::list<CActiveAEStream*>::iterator it;
1184   for (it=m_streams.begin(); it!=m_streams.end(); )
1185   {
1186     if (stream == (*it))
1187     {
1188       while (!(*it)->m_processingSamples.empty())
1189       {
1190         (*it)->m_processingSamples.front()->Return();
1191         (*it)->m_processingSamples.pop_front();
1192       }
1193       m_discardBufferPools.push_back((*it)->m_inputBuffers);
1194       m_discardBufferPools.push_back((*it)->m_resampleBuffers);
1195       CLog::Log(LOGDEBUG, "CActiveAE::DiscardStream - audio stream deleted");
1196       delete (*it)->m_streamPort;
1197       delete (*it);
1198       it = m_streams.erase(it);
1199     }
1200     else
1201       ++it;
1202   }
1203
1204   ClearDiscardedBuffers();
1205 }
1206
1207 void CActiveAE::SFlushStream(CActiveAEStream *stream)
1208 {
1209   while (!stream->m_processingSamples.empty())
1210   {
1211     stream->m_processingSamples.front()->Return();
1212     stream->m_processingSamples.pop_front();
1213   }
1214   stream->m_resampleBuffers->Flush();
1215   stream->m_streamPort->Purge();
1216   stream->m_bufferedTime = 0.0;
1217   stream->m_paused = false;
1218
1219   // flush the engine if we only have a single stream
1220   if (m_streams.size() == 1)
1221   {
1222     FlushEngine();
1223   }
1224 }
1225
1226 void CActiveAE::FlushEngine()
1227 {
1228   if (m_sinkBuffers)
1229     m_sinkBuffers->Flush();
1230   if (m_vizBuffers)
1231     m_vizBuffers->Flush();
1232
1233   // send message to sink
1234   Message *reply;
1235   if (m_sink.m_controlPort.SendOutMessageSync(CSinkControlProtocol::FLUSH,
1236                                            &reply, 2000))
1237   {
1238     bool success = reply->signal == CSinkControlProtocol::ACC;
1239     if (!success)
1240     {
1241       CLog::Log(LOGERROR, "ActiveAE::%s - returned error on flush", __FUNCTION__);
1242       m_extError = true;
1243     }
1244     reply->Release();
1245   }
1246   else
1247   {
1248     CLog::Log(LOGERROR, "ActiveAE::%s - failed to flush", __FUNCTION__);
1249     m_extError = true;
1250   }
1251   m_stats.Reset(m_sinkFormat.m_sampleRate);
1252 }
1253
1254 void CActiveAE::ClearDiscardedBuffers()
1255 {
1256   std::list<CActiveAEBufferPool*>::iterator it;
1257   for (it=m_discardBufferPools.begin(); it!=m_discardBufferPools.end(); ++it)
1258   {
1259     CActiveAEBufferPoolResample *rbuf = dynamic_cast<CActiveAEBufferPoolResample*>(*it);
1260     if (rbuf)
1261     {
1262       rbuf->Flush();
1263     }
1264     // if all buffers have returned, we can delete the buffer pool
1265     if ((*it)->m_allSamples.size() == (*it)->m_freeSamples.size())
1266     {
1267       delete (*it);
1268       CLog::Log(LOGDEBUG, "CActiveAE::ClearDiscardedBuffers - buffer pool deleted");
1269       m_discardBufferPools.erase(it);
1270       return;
1271     }
1272   }
1273 }
1274
1275 void CActiveAE::SStopSound(CActiveAESound *sound)
1276 {
1277   std::list<SoundState>::iterator it;
1278   for (it=m_sounds_playing.begin(); it!=m_sounds_playing.end(); ++it)
1279   {
1280     if (it->sound == sound)
1281     {
1282       m_sounds_playing.erase(it);
1283       return;
1284     }
1285   }
1286 }
1287
1288 void CActiveAE::DiscardSound(CActiveAESound *sound)
1289 {
1290   SStopSound(sound);
1291
1292   std::vector<CActiveAESound*>::iterator it;
1293   for (it=m_sounds.begin(); it!=m_sounds.end(); ++it)
1294   {
1295     if ((*it) == sound)
1296     {
1297       m_sounds.erase(it);
1298       return;
1299     }
1300   }
1301 }
1302
1303 void CActiveAE::ChangeResamplers()
1304 {
1305   std::list<CActiveAEStream*>::iterator it;
1306   for(it=m_streams.begin(); it!=m_streams.end(); ++it)
1307   {
1308     bool normalize = true;
1309     if (((*it)->m_resampleBuffers->m_format.m_channelLayout.Count() <
1310          (*it)->m_resampleBuffers->m_inputFormat.m_channelLayout.Count()) &&
1311          !m_settings.normalizelevels)
1312       normalize = false;
1313
1314     if ((*it)->m_resampleBuffers && (*it)->m_resampleBuffers->m_resampler &&
1315         (((*it)->m_resampleBuffers->m_resampleQuality != m_settings.resampleQuality) ||
1316         (((*it)->m_resampleBuffers->m_stereoUpmix != m_settings.stereoupmix)) ||
1317         ((*it)->m_resampleBuffers->m_normalize != normalize)))
1318     {
1319       (*it)->m_resampleBuffers->m_changeResampler = true;
1320     }
1321     (*it)->m_resampleBuffers->m_resampleQuality = m_settings.resampleQuality;
1322     (*it)->m_resampleBuffers->m_stereoUpmix = m_settings.stereoupmix;
1323     (*it)->m_resampleBuffers->m_normalize = normalize;
1324   }
1325 }
1326
1327 void CActiveAE::ApplySettingsToFormat(AEAudioFormat &format, AudioSettings &settings, int *mode)
1328 {
1329   int oldMode = m_mode;
1330   if (mode)
1331     *mode = MODE_PCM;
1332
1333   // raw pass through
1334   if (AE_IS_RAW(format.m_dataFormat))
1335   {
1336     if ((format.m_dataFormat == AE_FMT_AC3 && !settings.ac3passthrough) ||
1337         (format.m_dataFormat == AE_FMT_EAC3 && !settings.eac3passthrough) ||
1338         (format.m_dataFormat == AE_FMT_TRUEHD && !settings.truehdpassthrough) ||
1339         (format.m_dataFormat == AE_FMT_DTS && !settings.dtspassthrough) ||
1340         (format.m_dataFormat == AE_FMT_DTSHD && !settings.dtshdpassthrough))
1341     {
1342       CLog::Log(LOGERROR, "CActiveAE::ApplySettingsToFormat - input audio format is wrong");
1343     }
1344     if (mode)
1345       *mode = MODE_RAW;
1346   }
1347   // transcode
1348   else if (settings.channels <= AE_CH_LAYOUT_2_0 && // no multichannel pcm
1349            settings.passthrough &&
1350            settings.ac3passthrough &&
1351            settings.ac3transcode &&
1352            !m_streams.empty() &&
1353            (format.m_channelLayout.Count() > 2 || settings.stereoupmix))
1354   {
1355     format.m_dataFormat = AE_FMT_AC3;
1356     format.m_sampleRate = 48000;
1357     format.m_channelLayout = AE_CH_LAYOUT_2_0;
1358     if (mode)
1359       *mode = MODE_TRANSCODE;
1360   }
1361   else
1362   {
1363     format.m_dataFormat = AE_FMT_FLOAT;
1364     // consider user channel layout for those cases
1365     // 1. input stream is multichannel
1366     // 2. stereo upmix is selected
1367     // 3. fixed mode
1368     if ((format.m_channelLayout.Count() > 2) ||
1369          settings.stereoupmix ||
1370          (settings.config == AE_CONFIG_FIXED))
1371     {
1372       CAEChannelInfo stdLayout;
1373       switch (settings.channels)
1374       {
1375         default:
1376         case  0: stdLayout = AE_CH_LAYOUT_2_0; break;
1377         case  1: stdLayout = AE_CH_LAYOUT_2_0; break;
1378         case  2: stdLayout = AE_CH_LAYOUT_2_1; break;
1379         case  3: stdLayout = AE_CH_LAYOUT_3_0; break;
1380         case  4: stdLayout = AE_CH_LAYOUT_3_1; break;
1381         case  5: stdLayout = AE_CH_LAYOUT_4_0; break;
1382         case  6: stdLayout = AE_CH_LAYOUT_4_1; break;
1383         case  7: stdLayout = AE_CH_LAYOUT_5_0; break;
1384         case  8: stdLayout = AE_CH_LAYOUT_5_1; break;
1385         case  9: stdLayout = AE_CH_LAYOUT_7_0; break;
1386         case 10: stdLayout = AE_CH_LAYOUT_7_1; break;
1387       }
1388
1389       if (m_settings.config == AE_CONFIG_FIXED || (settings.stereoupmix && format.m_channelLayout.Count() <= 2))
1390         format.m_channelLayout = stdLayout;
1391       else if (m_extKeepConfig && (settings.config == AE_CONFIG_AUTO) && (oldMode != MODE_RAW))
1392         format.m_channelLayout = m_internalFormat.m_channelLayout;
1393       else
1394         format.m_channelLayout.ResolveChannels(stdLayout);
1395     }
1396     // don't change from multi to stereo in AUTO mode
1397     else if ((settings.config == AE_CONFIG_AUTO) &&
1398               m_stats.GetWaterLevel() > 0 && m_internalFormat.m_channelLayout.Count() > 2)
1399     {
1400       format.m_channelLayout = m_internalFormat.m_channelLayout;
1401     }
1402
1403     if (m_sink.GetDeviceType(m_settings.device) == AE_DEVTYPE_IEC958)
1404     {
1405       if (format.m_sampleRate > m_settings.samplerate)
1406       {
1407         format.m_sampleRate = m_settings.samplerate;
1408         CLog::Log(LOGINFO, "CActiveAE::ApplySettings - limit samplerate for SPDIF to %d", format.m_sampleRate);
1409       }
1410       format.m_channelLayout = AE_CH_LAYOUT_2_0;
1411     }
1412
1413     if (m_settings.config == AE_CONFIG_FIXED)
1414     {
1415       format.m_sampleRate = m_settings.samplerate;
1416       CLog::Log(LOGINFO, "CActiveAE::ApplySettings - Forcing samplerate to %d", format.m_sampleRate);
1417     }
1418
1419     // sinks may not support mono
1420     if (format.m_channelLayout.Count() == 1)
1421     {
1422       format.m_channelLayout = AE_CH_LAYOUT_2_0;
1423     }
1424   }
1425 }
1426
1427 bool CActiveAE::NeedReconfigureBuffers()
1428 {
1429   AEAudioFormat newFormat = GetInputFormat();
1430   ApplySettingsToFormat(newFormat, m_settings);
1431
1432   if (newFormat.m_dataFormat != m_sinkRequestFormat.m_dataFormat ||
1433       newFormat.m_channelLayout != m_sinkRequestFormat.m_channelLayout ||
1434       newFormat.m_sampleRate != m_sinkRequestFormat.m_sampleRate)
1435     return true;
1436
1437   return false;
1438 }
1439
1440 bool CActiveAE::NeedReconfigureSink()
1441 {
1442   AEAudioFormat newFormat = GetInputFormat();
1443   ApplySettingsToFormat(newFormat, m_settings);
1444
1445   std::string device = AE_IS_RAW(newFormat.m_dataFormat) ? m_settings.passthoughdevice : m_settings.device;
1446   std::string driver;
1447   CAESinkFactory::ParseDevice(device, driver);
1448
1449   if (!CompareFormat(newFormat, m_sinkFormat) ||
1450       m_currDevice.compare(device) != 0 ||
1451       m_settings.driver.compare(driver) != 0)
1452     return true;
1453
1454   return false;
1455 }
1456
1457 bool CActiveAE::InitSink()
1458 {
1459   SinkConfig config;
1460   config.format = m_sinkRequestFormat;
1461   config.stats = &m_stats;
1462   config.device = AE_IS_RAW(m_sinkRequestFormat.m_dataFormat) ? &m_settings.passthoughdevice :
1463                                                                 &m_settings.device;
1464
1465   // send message to sink
1466   Message *reply;
1467   if (m_sink.m_controlPort.SendOutMessageSync(CSinkControlProtocol::CONFIGURE,
1468                                                  &reply,
1469                                                  5000,
1470                                                  &config, sizeof(config)))
1471   {
1472     bool success = reply->signal == CSinkControlProtocol::ACC;
1473     if (!success)
1474     {
1475       reply->Release();
1476       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
1477       m_extError = true;
1478       return false;
1479     }
1480     SinkReply *data;
1481     data = (SinkReply*)reply->data;
1482     if (data)
1483     {
1484       m_sinkFormat = data->format;
1485       m_sinkHasVolume = data->hasVolume;
1486       m_stats.SetSinkCacheTotal(data->cacheTotal);
1487       m_stats.SetSinkLatency(data->latency);
1488     }
1489     reply->Release();
1490   }
1491   else
1492   {
1493     CLog::Log(LOGERROR, "ActiveAE::%s - failed to init", __FUNCTION__);
1494     m_stats.SetSinkCacheTotal(0);
1495     m_stats.SetSinkLatency(0);
1496     m_extError = true;
1497     return false;
1498   }
1499
1500   m_inMsgEvent.Reset();
1501   return true;
1502 }
1503
1504 void CActiveAE::DrainSink()
1505 {
1506   // send message to sink
1507   Message *reply;
1508   if (m_sink.m_dataPort.SendOutMessageSync(CSinkDataProtocol::DRAIN,
1509                                                  &reply,
1510                                                  2000))
1511   {
1512     bool success = reply->signal == CSinkDataProtocol::ACC;
1513     if (!success)
1514     {
1515       reply->Release();
1516       CLog::Log(LOGERROR, "ActiveAE::%s - returned error on drain", __FUNCTION__);
1517       m_extError = true;
1518       return;
1519     }
1520     reply->Release();
1521   }
1522   else
1523   {
1524     CLog::Log(LOGERROR, "ActiveAE::%s - failed to drain", __FUNCTION__);
1525     m_extError = true;
1526     return;
1527   }
1528 }
1529
1530 void CActiveAE::UnconfigureSink()
1531 {
1532   // send message to sink
1533   Message *reply;
1534   if (m_sink.m_controlPort.SendOutMessageSync(CSinkControlProtocol::UNCONFIGURE,
1535                                                  &reply,
1536                                                  2000))
1537   {
1538     bool success = reply->signal == CSinkControlProtocol::ACC;
1539     if (!success)
1540     {
1541       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
1542       m_extError = true;
1543     }
1544     reply->Release();
1545   }
1546   else
1547   {
1548     CLog::Log(LOGERROR, "ActiveAE::%s - failed to unconfigure", __FUNCTION__);
1549     m_extError = true;
1550   }
1551
1552   // make sure we open sink on next configure
1553   m_currDevice = "";
1554
1555   m_inMsgEvent.Reset();
1556 }
1557
1558
1559 bool CActiveAE::RunStages()
1560 {
1561   bool busy = false;
1562
1563   // serve input streams
1564   std::list<CActiveAEStream*>::iterator it;
1565   for (it = m_streams.begin(); it != m_streams.end(); ++it)
1566   {
1567     if ((*it)->m_resampleBuffers && !(*it)->m_paused)
1568       busy = (*it)->m_resampleBuffers->ResampleBuffers();
1569     else if ((*it)->m_resampleBuffers &&
1570             ((*it)->m_resampleBuffers->m_inputSamples.size() > (*it)->m_resampleBuffers->m_allSamples.size() * 0.5))
1571     {
1572       CSingleLock lock((*it)->m_streamLock);
1573       (*it)->m_streamIsBuffering = false;
1574     }
1575
1576     // provide buffers to stream
1577     float time = m_stats.GetCacheTime((*it));
1578     CSampleBuffer *buffer;
1579     if (!(*it)->m_drain)
1580     {
1581       while (time < MAX_CACHE_LEVEL && !(*it)->m_inputBuffers->m_freeSamples.empty())
1582       {
1583         buffer = (*it)->m_inputBuffers->GetFreeBuffer();
1584         (*it)->m_processingSamples.push_back(buffer);
1585         (*it)->m_streamPort->SendInMessage(CActiveAEDataProtocol::STREAMBUFFER, &buffer, sizeof(CSampleBuffer*));
1586         (*it)->IncFreeBuffers();
1587         time += (float)buffer->pkt->max_nb_samples / buffer->pkt->config.sample_rate;
1588       }
1589     }
1590     else
1591     {
1592       if ((*it)->m_resampleBuffers->m_inputSamples.empty() &&
1593           (*it)->m_resampleBuffers->m_outputSamples.empty() &&
1594           (*it)->m_processingSamples.empty())
1595       {
1596         (*it)->m_streamPort->SendInMessage(CActiveAEDataProtocol::STREAMDRAINED);
1597         (*it)->m_drain = false;
1598         (*it)->m_resampleBuffers->m_drain = false;
1599         (*it)->m_started = false;
1600
1601         // set variables being polled via stream interface
1602         CSingleLock lock((*it)->m_streamLock);
1603         if ((*it)->m_streamSlave)
1604         {
1605           CActiveAEStream *slave = (CActiveAEStream*)((*it)->m_streamSlave);
1606           slave->m_paused = false;
1607
1608           // TODO: find better solution for this
1609           // gapless bites audiophile
1610           if (m_settings.config == AE_CONFIG_MATCH)
1611             Configure(&slave->m_format);
1612
1613           (*it)->m_streamSlave = NULL;
1614         }
1615         (*it)->m_streamDrained = true;
1616         (*it)->m_streamDraining = false;
1617         (*it)->m_streamFading = false;
1618       }
1619     }
1620   }
1621
1622   if (m_stats.GetWaterLevel() < MAX_WATER_LEVEL &&
1623      (m_mode != MODE_TRANSCODE || (m_encoderBuffers && !m_encoderBuffers->m_freeSamples.empty())))
1624   {
1625     // mix streams and sounds sounds
1626     if (m_mode != MODE_RAW)
1627     {
1628       CSampleBuffer *out = NULL;
1629       if (!m_sounds_playing.empty() && m_streams.empty())
1630       {
1631         if (m_silenceBuffers && !m_silenceBuffers->m_freeSamples.empty())
1632         {
1633           out = m_silenceBuffers->GetFreeBuffer();
1634           for (int i=0; i<out->pkt->planes; i++)
1635           {
1636             memset(out->pkt->data[i], 0, out->pkt->linesize);
1637           }
1638           out->pkt->nb_samples = out->pkt->max_nb_samples;
1639         }
1640       }
1641
1642       // mix streams
1643       std::list<CActiveAEStream*>::iterator it;
1644
1645       // if we deal with more than a single stream, all streams
1646       // must provide samples for mixing
1647       bool allStreamsReady = true;
1648       for (it = m_streams.begin(); it != m_streams.end(); ++it)
1649       {
1650         if ((*it)->m_paused || !(*it)->m_started || !(*it)->m_resampleBuffers)
1651           continue;
1652
1653         if ((*it)->m_resampleBuffers->m_outputSamples.empty())
1654           allStreamsReady = false;
1655       }
1656
1657       bool needClamp = false;
1658       for (it = m_streams.begin(); it != m_streams.end() && allStreamsReady; ++it)
1659       {
1660         if ((*it)->m_paused || !(*it)->m_resampleBuffers)
1661           continue;
1662
1663         if (!(*it)->m_resampleBuffers->m_outputSamples.empty())
1664         {
1665           (*it)->m_started = true;
1666
1667           if (!out)
1668           {
1669             out = (*it)->m_resampleBuffers->m_outputSamples.front();
1670             (*it)->m_resampleBuffers->m_outputSamples.pop_front();
1671
1672             int nb_floats = out->pkt->nb_samples * out->pkt->config.channels / out->pkt->planes;
1673             int nb_loops = 1;
1674             float fadingStep = 0.0f;
1675
1676             // fading
1677             if ((*it)->m_fadingSamples == -1)
1678             {
1679               (*it)->m_fadingSamples = m_internalFormat.m_sampleRate * (float)(*it)->m_fadingTime / 1000.0f;
1680               (*it)->m_volume = (*it)->m_fadingBase;
1681             }
1682             if ((*it)->m_fadingSamples > 0)
1683             {
1684               nb_floats = out->pkt->config.channels / out->pkt->planes;
1685               nb_loops = out->pkt->nb_samples;
1686               float delta = (*it)->m_fadingTarget - (*it)->m_fadingBase;
1687               int samples = m_internalFormat.m_sampleRate * (float)(*it)->m_fadingTime / 1000.0f;
1688               fadingStep = delta / samples;
1689             }
1690
1691             // for stream amplification,
1692             // turned off downmix normalization,
1693             // or if sink format is float (in order to prevent from clipping)
1694             // we need to run on a per sample basis
1695             if ((*it)->m_amplify != 1.0 || !(*it)->m_resampleBuffers->m_normalize || (m_sinkFormat.m_dataFormat == AE_FMT_FLOAT))
1696             {
1697               nb_floats = out->pkt->config.channels / out->pkt->planes;
1698               nb_loops = out->pkt->nb_samples;
1699             }
1700
1701             for(int i=0; i<nb_loops; i++)
1702             {
1703               if ((*it)->m_fadingSamples > 0)
1704               {
1705                 (*it)->m_volume += fadingStep;
1706                 (*it)->m_fadingSamples--;
1707
1708                 if ((*it)->m_fadingSamples == 0)
1709                 {
1710                   // set variables being polled via stream interface
1711                   CSingleLock lock((*it)->m_streamLock);
1712                   (*it)->m_streamFading = false;
1713                 }
1714               }
1715
1716               // volume for stream
1717               float volume = (*it)->m_volume * (*it)->m_rgain;
1718               if(nb_loops > 1)
1719                 volume *= (*it)->m_limiter.Run((float**)out->pkt->data, out->pkt->config.channels, i*nb_floats, out->pkt->planes > 1);
1720
1721               for(int j=0; j<out->pkt->planes; j++)
1722               {
1723 #ifdef __SSE__
1724                 CAEUtil::SSEMulArray((float*)out->pkt->data[j]+i*nb_floats, volume, nb_floats);
1725 #else
1726                 float* fbuffer = (float*) out->pkt->data[j]+i*nb_floats;
1727                 for (int k = 0; k < nb_floats; ++k)
1728                 {
1729                   fbuffer[k] *= volume;
1730                 }
1731 #endif
1732               }
1733             }
1734           }
1735           else
1736           {
1737             CSampleBuffer *mix = NULL;
1738             mix = (*it)->m_resampleBuffers->m_outputSamples.front();
1739             (*it)->m_resampleBuffers->m_outputSamples.pop_front();
1740
1741             int nb_floats = mix->pkt->nb_samples * mix->pkt->config.channels / mix->pkt->planes;
1742             int nb_loops = 1;
1743             float fadingStep = 0.0f;
1744
1745             // fading
1746             if ((*it)->m_fadingSamples == -1)
1747             {
1748               (*it)->m_fadingSamples = m_internalFormat.m_sampleRate * (float)(*it)->m_fadingTime / 1000.0f;
1749               (*it)->m_volume = (*it)->m_fadingBase;
1750             }
1751             if ((*it)->m_fadingSamples > 0)
1752             {
1753               nb_floats = mix->pkt->config.channels / mix->pkt->planes;
1754               nb_loops = mix->pkt->nb_samples;
1755               float delta = (*it)->m_fadingTarget - (*it)->m_fadingBase;
1756               int samples = m_internalFormat.m_sampleRate * (float)(*it)->m_fadingTime / 1000.0f;
1757               fadingStep = delta / samples;
1758             }
1759
1760             // for streams amplification of turned off downmix normalization
1761             // we need to run on a per sample basis
1762             if ((*it)->m_amplify != 1.0 || !(*it)->m_resampleBuffers->m_normalize)
1763             {
1764               nb_floats = out->pkt->config.channels / out->pkt->planes;
1765               nb_loops = out->pkt->nb_samples;
1766             }
1767
1768             for(int i=0; i<nb_loops; i++)
1769             {
1770               if ((*it)->m_fadingSamples > 0)
1771               {
1772                 (*it)->m_volume += fadingStep;
1773                 (*it)->m_fadingSamples--;
1774
1775                 if ((*it)->m_fadingSamples == 0)
1776                 {
1777                   // set variables being polled via stream interface
1778                   CSingleLock lock((*it)->m_streamLock);
1779                   (*it)->m_streamFading = false;
1780                 }
1781               }
1782
1783               // volume for stream
1784               float volume = (*it)->m_volume * (*it)->m_rgain;
1785               if(nb_loops > 1)
1786                 volume *= (*it)->m_limiter.Run((float**)mix->pkt->data, mix->pkt->config.channels, i*nb_floats, mix->pkt->planes > 1);
1787
1788               for(int j=0; j<out->pkt->planes && j<mix->pkt->planes; j++)
1789               {
1790                 float *dst = (float*)out->pkt->data[j]+i*nb_floats;
1791                 float *src = (float*)mix->pkt->data[j]+i*nb_floats;
1792 #ifdef __SSE__
1793                 CAEUtil::SSEMulAddArray(dst, src, volume, nb_floats);
1794                 for (int k = 0; k < nb_floats; ++k)
1795                 {
1796                   if (fabs(dst[k]) > 1.0f)
1797                   {
1798                     needClamp = true;
1799                     break;
1800                   }
1801                 }
1802 #else
1803                 for (int k = 0; k < nb_floats; ++k)
1804                 {
1805                   dst[k] += src[k] * volume;
1806                   if (fabs(dst[k]) > 1.0f)
1807                     needClamp = true;
1808                 }
1809 #endif
1810               }
1811             }
1812             mix->Return();
1813           }
1814           busy = true;
1815         }
1816       }// for
1817
1818       // finally clamp samples
1819       if(out && needClamp)
1820       {
1821         int nb_floats = out->pkt->nb_samples * out->pkt->config.channels / out->pkt->planes;
1822         for(int i=0; i<out->pkt->planes; i++)
1823         {
1824           CAEUtil::ClampArray((float*)out->pkt->data[i], nb_floats);
1825         }
1826       }
1827
1828       // process output buffer, gui sounds, encode, viz
1829       if (out)
1830       {
1831         // viz
1832         {
1833           CSingleLock lock(m_vizLock);
1834           if (m_audioCallback && m_vizBuffers && !m_streams.empty())
1835           {
1836             if (!m_vizInitialized)
1837             {
1838               m_audioCallback->OnInitialize(2, m_vizBuffers->m_format.m_sampleRate, 32);
1839               m_vizInitialized = true;
1840             }
1841
1842             if (!m_vizBuffersInput->m_freeSamples.empty())
1843             {
1844               // copy the samples into the viz input buffer
1845               CSampleBuffer *viz = m_vizBuffersInput->GetFreeBuffer();
1846               int samples = std::min(512, out->pkt->nb_samples);
1847               int bytes = samples * out->pkt->config.channels / out->pkt->planes * out->pkt->bytes_per_sample;
1848               for(int i= 0; i < out->pkt->planes; i++)
1849               {
1850                 memcpy(viz->pkt->data[i], out->pkt->data[i], bytes);
1851               }
1852               viz->pkt->nb_samples = samples;
1853               m_vizBuffers->m_inputSamples.push_back(viz);
1854             }
1855             else
1856               CLog::Log(LOGWARNING,"ActiveAE::%s - viz ran out of free buffers", __FUNCTION__);
1857             unsigned int now = XbmcThreads::SystemClockMillis();
1858             unsigned int timestamp = now + m_stats.GetDelay() * 1000;
1859             busy |= m_vizBuffers->ResampleBuffers(timestamp);
1860             while(!m_vizBuffers->m_outputSamples.empty())
1861             {
1862               CSampleBuffer *buf = m_vizBuffers->m_outputSamples.front();
1863               if ((now - buf->timestamp) & 0x80000000)
1864                 break;
1865               else
1866               {
1867                 int samples;
1868                 samples = std::min(512, buf->pkt->nb_samples);
1869                 m_audioCallback->OnAudioData((float*)(buf->pkt->data[0]), samples);
1870                 buf->Return();
1871                 m_vizBuffers->m_outputSamples.pop_front();
1872               }
1873             }
1874           }
1875           else if (m_vizBuffers)
1876             m_vizBuffers->Flush();
1877         }
1878
1879         // mix gui sounds
1880         MixSounds(*(out->pkt));
1881         if (!m_sinkHasVolume || m_muted)
1882           Deamplify(*(out->pkt));
1883
1884         if (m_mode == MODE_TRANSCODE && m_encoder)
1885         {
1886           CSampleBuffer *buf = m_encoderBuffers->GetFreeBuffer();
1887           m_encoder->Encode(out->pkt->data[0], out->pkt->planes*out->pkt->linesize,
1888                             buf->pkt->data[0], buf->pkt->planes*buf->pkt->linesize);
1889           buf->pkt->nb_samples = buf->pkt->max_nb_samples;
1890           out->Return();
1891           out = buf;
1892         }
1893         busy = true;
1894       }
1895
1896       // update stats
1897       if(out)
1898       {
1899         m_stats.AddSamples(out->pkt->nb_samples, m_streams);
1900         m_sinkBuffers->m_inputSamples.push_back(out);
1901       }
1902     }
1903     // pass through
1904     else
1905     {
1906       std::list<CActiveAEStream*>::iterator it;
1907       CSampleBuffer *buffer;
1908       for (it = m_streams.begin(); it != m_streams.end(); ++it)
1909       {
1910         if (!(*it)->m_resampleBuffers->m_outputSamples.empty())
1911         {
1912           buffer =  (*it)->m_resampleBuffers->m_outputSamples.front();
1913           (*it)->m_resampleBuffers->m_outputSamples.pop_front();
1914           m_stats.AddSamples(buffer->pkt->nb_samples, m_streams);
1915           m_sinkBuffers->m_inputSamples.push_back(buffer);
1916         }
1917       }
1918     }
1919
1920     // serve sink buffers
1921     busy = m_sinkBuffers->ResampleBuffers();
1922     while(!m_sinkBuffers->m_outputSamples.empty())
1923     {
1924       CSampleBuffer *out = NULL;
1925       out = m_sinkBuffers->m_outputSamples.front();
1926       m_sinkBuffers->m_outputSamples.pop_front();
1927       m_sink.m_dataPort.SendOutMessage(CSinkDataProtocol::SAMPLE,
1928           &out, sizeof(CSampleBuffer*));
1929       busy = true;
1930     }
1931   }
1932
1933   return busy;
1934 }
1935
1936 bool CActiveAE::HasWork()
1937 {
1938   if (!m_sounds_playing.empty())
1939     return true;
1940   if (!m_sinkBuffers->m_inputSamples.empty())
1941     return true;
1942   if (!m_sinkBuffers->m_outputSamples.empty())
1943     return true;
1944
1945   std::list<CActiveAEStream*>::iterator it;
1946   for (it = m_streams.begin(); it != m_streams.end(); ++it)
1947   {
1948     if (!(*it)->m_resampleBuffers->m_inputSamples.empty())
1949       return true;
1950     if (!(*it)->m_resampleBuffers->m_outputSamples.empty())
1951       return true;
1952     if (!(*it)->m_processingSamples.empty())
1953       return true;
1954   }
1955
1956   return false;
1957 }
1958
1959 void CActiveAE::MixSounds(CSoundPacket &dstSample)
1960 {
1961   if (m_sounds_playing.empty())
1962     return;
1963
1964   float volume;
1965   float *out;
1966   float *sample_buffer;
1967   int max_samples = dstSample.nb_samples;
1968
1969   std::list<SoundState>::iterator it;
1970   for (it = m_sounds_playing.begin(); it != m_sounds_playing.end(); )
1971   {
1972     if (!it->sound->IsConverted())
1973       ResampleSound(it->sound);
1974     int available_samples = it->sound->GetSound(false)->nb_samples - it->samples_played;
1975     int mix_samples = std::min(max_samples, available_samples);
1976     int start = it->samples_played *
1977                 m_dllAvUtil.av_get_bytes_per_sample(it->sound->GetSound(false)->config.fmt) *
1978                 it->sound->GetSound(false)->config.channels /
1979                 it->sound->GetSound(false)->planes;
1980
1981     for(int j=0; j<dstSample.planes; j++)
1982     {
1983       volume = it->sound->GetVolume();
1984       out = (float*)dstSample.data[j];
1985       sample_buffer = (float*)(it->sound->GetSound(false)->data[j]+start);
1986       int nb_floats = mix_samples * dstSample.config.channels / dstSample.planes;
1987 #ifdef __SSE__
1988       CAEUtil::SSEMulAddArray(out, sample_buffer, volume, nb_floats);
1989 #else
1990       for (int k = 0; k < nb_floats; ++k)
1991         *out++ += *sample_buffer++ * volume;
1992 #endif
1993     }
1994
1995     it->samples_played += mix_samples;
1996
1997     // no more frames, so remove it from the list
1998     if (it->samples_played >= it->sound->GetSound(false)->nb_samples)
1999     {
2000       it = m_sounds_playing.erase(it);
2001       continue;
2002     }
2003     ++it;
2004   }
2005 }
2006
2007 void CActiveAE::Deamplify(CSoundPacket &dstSample)
2008 {
2009   if (m_volume < 1.0 || m_muted)
2010   {
2011     float *buffer;
2012     int nb_floats = dstSample.nb_samples * dstSample.config.channels / dstSample.planes;
2013
2014     for(int j=0; j<dstSample.planes; j++)
2015     {
2016       buffer = (float*)dstSample.data[j];
2017 #ifdef __SSE__
2018       CAEUtil::SSEMulArray(buffer, m_muted ? 0.0 : m_volume, nb_floats);
2019 #else
2020       float *fbuffer = buffer;
2021       for (int i = 0; i < nb_floats; i++)
2022         *fbuffer++ *= m_volume;
2023 #endif
2024     }
2025   }
2026 }
2027
2028 //-----------------------------------------------------------------------------
2029 // Configuration
2030 //-----------------------------------------------------------------------------
2031
2032 void CActiveAE::LoadSettings()
2033 {
2034   m_settings.device = CSettings::Get().GetString("audiooutput.audiodevice");
2035   m_settings.passthoughdevice = CSettings::Get().GetString("audiooutput.passthroughdevice");
2036
2037   m_settings.config = CSettings::Get().GetInt("audiooutput.config");
2038   m_settings.channels = (m_sink.GetDeviceType(m_settings.device) == AE_DEVTYPE_IEC958) ? AE_CH_LAYOUT_2_0 : CSettings::Get().GetInt("audiooutput.channels");
2039   m_settings.samplerate = CSettings::Get().GetInt("audiooutput.samplerate");
2040
2041   m_settings.stereoupmix = IsSettingVisible("audiooutput.stereoupmix") ? CSettings::Get().GetBool("audiooutput.stereoupmix") : false;
2042   m_settings.normalizelevels = CSettings::Get().GetBool("audiooutput.normalizelevels");
2043   m_settings.guisoundmode = CSettings::Get().GetInt("audiooutput.guisoundmode");
2044
2045   m_settings.passthrough = m_settings.config == AE_CONFIG_FIXED ? false : CSettings::Get().GetBool("audiooutput.passthrough");
2046   if (!m_sink.HasPassthroughDevice())
2047     m_settings.passthrough = false;
2048   m_settings.ac3passthrough = CSettings::Get().GetBool("audiooutput.ac3passthrough");
2049   m_settings.ac3transcode = CSettings::Get().GetBool("audiooutput.ac3transcode");
2050   m_settings.eac3passthrough = CSettings::Get().GetBool("audiooutput.eac3passthrough");
2051   m_settings.truehdpassthrough = CSettings::Get().GetBool("audiooutput.truehdpassthrough");
2052   m_settings.dtspassthrough = CSettings::Get().GetBool("audiooutput.dtspassthrough");
2053   m_settings.dtshdpassthrough = CSettings::Get().GetBool("audiooutput.dtshdpassthrough");
2054
2055   m_settings.resampleQuality = static_cast<AEQuality>(CSettings::Get().GetInt("audiooutput.processquality"));
2056 }
2057
2058 bool CActiveAE::Initialize()
2059 {
2060   if (!m_dllAvUtil.Load() || !m_dllAvCodec.Load() || !m_dllAvFormat.Load())
2061   {
2062     CLog::Log(LOGERROR,"CActiveAE::Initialize - failed to load ffmpeg libraries");
2063     return false;
2064   }
2065   m_dllAvFormat.av_register_all();
2066
2067   Create();
2068   Message *reply;
2069   if (m_controlPort.SendOutMessageSync(CActiveAEControlProtocol::INIT,
2070                                                  &reply,
2071                                                  5000))
2072   {
2073     bool success = reply->signal == CActiveAEControlProtocol::ACC;
2074     reply->Release();
2075     if (!success)
2076     {
2077       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
2078       Dispose();
2079       return false;
2080     }
2081   }
2082   else
2083   {
2084     CLog::Log(LOGERROR, "ActiveAE::%s - failed to init", __FUNCTION__);
2085     Dispose();
2086     return false;
2087   }
2088
2089   // hook into windowing for receiving display reset events
2090 #if defined(HAS_GLX) || defined(TARGET_DARWIN_OSX)
2091   g_Windowing.Register(this);
2092 #endif
2093
2094   m_inMsgEvent.Reset();
2095   return true;
2096 }
2097
2098 void CActiveAE::EnumerateOutputDevices(AEDeviceList &devices, bool passthrough)
2099 {
2100   m_sink.EnumerateOutputDevices(devices, passthrough);
2101 }
2102
2103 std::string CActiveAE::GetDefaultDevice(bool passthrough)
2104 {
2105   return m_sink.GetDefaultDevice(passthrough);
2106 }
2107
2108 void CActiveAE::OnSettingsChange(const std::string& setting)
2109 {
2110   if (setting == "audiooutput.passthroughdevice" ||
2111       setting == "audiooutput.audiodevice"       ||
2112       setting == "audiooutput.config"            ||
2113       setting == "audiooutput.ac3passthrough"    ||
2114       setting == "audiooutput.ac3transcode"      ||
2115       setting == "audiooutput.eac3passthrough"   ||
2116       setting == "audiooutput.dtspassthrough"    ||
2117       setting == "audiooutput.truehdpassthrough" ||
2118       setting == "audiooutput.dtshdpassthrough"  ||
2119       setting == "audiooutput.channels"          ||
2120       setting == "audiooutput.stereoupmix"       ||
2121       setting == "audiooutput.streamsilence"     ||
2122       setting == "audiooutput.processquality"    ||
2123       setting == "audiooutput.passthrough"       ||
2124       setting == "audiooutput.samplerate"        ||
2125       setting == "audiooutput.normalizelevels"   ||
2126       setting == "audiooutput.guisoundmode")
2127   {
2128     m_controlPort.SendOutMessage(CActiveAEControlProtocol::RECONFIGURE);
2129   }
2130 }
2131
2132 bool CActiveAE::SupportsRaw(AEDataFormat format)
2133 {
2134   if (!m_sink.SupportsFormat(CSettings::Get().GetString("audiooutput.passthroughdevice"), format))
2135     return false;
2136
2137   return true;
2138 }
2139
2140 bool CActiveAE::SupportsSilenceTimeout()
2141 {
2142   return true;
2143 }
2144
2145 bool CActiveAE::SupportsQualityLevel(enum AEQuality level)
2146 {
2147   if (level == AE_QUALITY_LOW || level == AE_QUALITY_MID || level == AE_QUALITY_HIGH)
2148     return true;
2149
2150   return false;
2151 }
2152
2153 bool CActiveAE::IsSettingVisible(const std::string &settingId)
2154 {
2155   if (settingId == "audiooutput.samplerate")
2156   {
2157     if (m_sink.GetDeviceType(CSettings::Get().GetString("audiooutput.audiodevice")) == AE_DEVTYPE_IEC958)
2158       return true;
2159     if (CSettings::Get().GetInt("audiooutput.config") == AE_CONFIG_FIXED)
2160       return true;
2161   }
2162   else if (settingId == "audiooutput.channels")
2163   {
2164     if (m_sink.GetDeviceType(CSettings::Get().GetString("audiooutput.audiodevice")) != AE_DEVTYPE_IEC958)
2165       return true;
2166   }
2167   else if (settingId == "audiooutput.passthrough")
2168   {
2169     if (m_sink.HasPassthroughDevice() && CSettings::Get().GetInt("audiooutput.config") != AE_CONFIG_FIXED)
2170       return true;
2171   }
2172   else if (settingId == "audiooutput.truehdpassthrough")
2173   {
2174     if (m_sink.SupportsFormat(CSettings::Get().GetString("audiooutput.passthroughdevice"), AE_FMT_TRUEHD) &&
2175         CSettings::Get().GetInt("audiooutput.config") != AE_CONFIG_FIXED)
2176       return true;
2177   }
2178   else if (settingId == "audiooutput.dtshdpassthrough")
2179   {
2180     if (m_sink.SupportsFormat(CSettings::Get().GetString("audiooutput.passthroughdevice"), AE_FMT_DTSHD) &&
2181         CSettings::Get().GetInt("audiooutput.config") != AE_CONFIG_FIXED)
2182       return true;
2183   }
2184   else if (settingId == "audiooutput.eac3passthrough")
2185   {
2186     if (m_sink.SupportsFormat(CSettings::Get().GetString("audiooutput.passthroughdevice"), AE_FMT_EAC3) &&
2187         CSettings::Get().GetInt("audiooutput.config") != AE_CONFIG_FIXED)
2188       return true;
2189   }
2190   else if (settingId == "audiooutput.stereoupmix")
2191   {
2192     if (m_sink.HasPassthroughDevice() ||
2193         CSettings::Get().GetInt("audiooutput.channels") > AE_CH_LAYOUT_2_0)
2194     return true;
2195   }
2196   else if (settingId == "audiooutput.ac3transcode")
2197   {
2198     if (m_sink.HasPassthroughDevice() &&
2199         CSettings::Get().GetBool("audiooutput.ac3passthrough") &&
2200         CSettings::Get().GetInt("audiooutput.config") != AE_CONFIG_FIXED &&
2201         (CSettings::Get().GetInt("audiooutput.channels") <= AE_CH_LAYOUT_2_0 || m_sink.GetDeviceType(CSettings::Get().GetString("audiooutput.audiodevice")) == AE_DEVTYPE_IEC958))
2202       return true;
2203   }
2204   return false;
2205 }
2206
2207 void CActiveAE::Shutdown()
2208 {
2209   Dispose();
2210 }
2211
2212 bool CActiveAE::Suspend()
2213 {
2214   return m_controlPort.SendOutMessage(CActiveAEControlProtocol::SUSPEND);
2215 }
2216
2217 bool CActiveAE::Resume()
2218 {
2219   Message *reply;
2220   if (m_controlPort.SendOutMessageSync(CActiveAEControlProtocol::INIT,
2221                                                  &reply,
2222                                                  5000))
2223   {
2224     bool success = reply->signal == CActiveAEControlProtocol::ACC;
2225     reply->Release();
2226     if (!success)
2227     {
2228       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
2229       return false;
2230     }
2231   }
2232   else
2233   {
2234     CLog::Log(LOGERROR, "ActiveAE::%s - failed to init", __FUNCTION__);
2235     return false;
2236   }
2237
2238   m_inMsgEvent.Reset();
2239   return true;
2240 }
2241
2242 bool CActiveAE::IsSuspended()
2243 {
2244   return m_stats.IsSuspended();
2245 }
2246
2247 float CActiveAE::GetVolume()
2248 {
2249   return m_aeVolume;
2250 }
2251
2252 void CActiveAE::SetVolume(const float volume)
2253 {
2254   m_aeVolume = std::max( 0.0f, std::min(1.0f, volume));
2255   m_controlPort.SendOutMessage(CActiveAEControlProtocol::VOLUME, &m_aeVolume, sizeof(float));
2256 }
2257
2258 void CActiveAE::SetMute(const bool enabled)
2259 {
2260   m_aeMuted = enabled;
2261   m_controlPort.SendOutMessage(CActiveAEControlProtocol::MUTE, &m_aeMuted, sizeof(bool));
2262 }
2263
2264 bool CActiveAE::IsMuted()
2265 {
2266   return m_aeMuted;
2267 }
2268
2269 void CActiveAE::SetSoundMode(const int mode)
2270 {
2271   return;
2272 }
2273
2274 void CActiveAE::KeepConfiguration(unsigned int millis)
2275 {
2276   unsigned int timeMs = millis;
2277   m_controlPort.SendOutMessage(CActiveAEControlProtocol::KEEPCONFIG, &timeMs, sizeof(unsigned int));
2278 }
2279
2280 void CActiveAE::OnLostDevice()
2281 {
2282   Message *reply;
2283   if (m_controlPort.SendOutMessageSync(CActiveAEControlProtocol::DISPLAYLOST,
2284                                                  &reply,
2285                                                  5000))
2286   {
2287     bool success = reply->signal == CActiveAEControlProtocol::ACC;
2288     reply->Release();
2289     if (!success)
2290     {
2291       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
2292     }
2293   }
2294   else
2295   {
2296     CLog::Log(LOGERROR, "ActiveAE::%s - timed out", __FUNCTION__);
2297   }
2298 }
2299
2300 void CActiveAE::OnResetDevice()
2301 {
2302   m_controlPort.SendOutMessage(CActiveAEControlProtocol::DISPLAYRESET);
2303 }
2304
2305 //-----------------------------------------------------------------------------
2306 // Utils
2307 //-----------------------------------------------------------------------------
2308
2309 uint8_t **CActiveAE::AllocSoundSample(SampleConfig &config, int &samples, int &bytes_per_sample, int &planes, int &linesize)
2310 {
2311   uint8_t **buffer;
2312   planes = m_dllAvUtil.av_sample_fmt_is_planar(config.fmt) ? config.channels : 1;
2313   buffer = new uint8_t*[planes];
2314
2315   // align buffer to 16 in order to be compatible with sse in CAEConvert
2316   m_dllAvUtil.av_samples_alloc(buffer, &linesize, config.channels,
2317                                  samples, config.fmt, 16);
2318   bytes_per_sample = m_dllAvUtil.av_get_bytes_per_sample(config.fmt);
2319   return buffer;
2320 }
2321
2322 void CActiveAE::FreeSoundSample(uint8_t **data)
2323 {
2324   m_dllAvUtil.av_freep(data);
2325   delete [] data;
2326 }
2327
2328 bool CActiveAE::CompareFormat(AEAudioFormat &lhs, AEAudioFormat &rhs)
2329 {
2330   if (lhs.m_channelLayout != rhs.m_channelLayout ||
2331       lhs.m_dataFormat != rhs.m_dataFormat ||
2332       lhs.m_sampleRate != rhs.m_sampleRate)
2333     return false;
2334   else
2335     return true;
2336 }
2337
2338 //-----------------------------------------------------------------------------
2339 // GUI Sounds
2340 //-----------------------------------------------------------------------------
2341
2342 /**
2343  * load sound from an audio file and store original format
2344  * register the sound in ActiveAE
2345  * later when the engine is idle it will convert the sound to sink format
2346  */
2347
2348 #define SOUNDBUFFER_SIZE 20480
2349
2350 IAESound *CActiveAE::MakeSound(const std::string& file)
2351 {
2352   AVFormatContext *fmt_ctx = NULL;
2353   AVCodecContext *dec_ctx = NULL;
2354   AVIOContext *io_ctx;
2355   AVInputFormat *io_fmt;
2356   AVCodec *dec = NULL;
2357   CActiveAESound *sound = NULL;
2358   SampleConfig config;
2359
2360   sound = new CActiveAESound(file);
2361   if (!sound->Prepare())
2362   {
2363     delete sound;
2364     return NULL;
2365   }
2366   int fileSize = sound->GetFileSize();
2367
2368   fmt_ctx = m_dllAvFormat.avformat_alloc_context();
2369   unsigned char* buffer = (unsigned char*)m_dllAvUtil.av_malloc(SOUNDBUFFER_SIZE+FF_INPUT_BUFFER_PADDING_SIZE);
2370   io_ctx = m_dllAvFormat.avio_alloc_context(buffer, SOUNDBUFFER_SIZE, 0,
2371                                             sound, CActiveAESound::Read, NULL, CActiveAESound::Seek);
2372   io_ctx->max_packet_size = sound->GetChunkSize();
2373   if(io_ctx->max_packet_size)
2374     io_ctx->max_packet_size *= SOUNDBUFFER_SIZE / io_ctx->max_packet_size;
2375
2376   if(!sound->IsSeekPosible())
2377     io_ctx->seekable = 0;
2378
2379   fmt_ctx->pb = io_ctx;
2380
2381   m_dllAvFormat.av_probe_input_buffer(io_ctx, &io_fmt, file.c_str(), NULL, 0, 0);
2382   if (!io_fmt)
2383   {
2384     m_dllAvFormat.avformat_close_input(&fmt_ctx);
2385     delete sound;
2386     return NULL;
2387   }
2388
2389   // find decoder
2390   if (m_dllAvFormat.avformat_open_input(&fmt_ctx, file.c_str(), NULL, NULL) == 0)
2391   {
2392     fmt_ctx->flags |= AVFMT_FLAG_NOPARSE;
2393     if (m_dllAvFormat.avformat_find_stream_info(fmt_ctx, NULL) >= 0)
2394     {
2395       dec_ctx = fmt_ctx->streams[0]->codec;
2396       dec = m_dllAvCodec.avcodec_find_decoder(dec_ctx->codec_id);
2397       config.sample_rate = dec_ctx->sample_rate;
2398       config.channels = dec_ctx->channels;
2399       config.channel_layout = dec_ctx->channel_layout;
2400     }
2401   }
2402   if (dec == NULL)
2403   {
2404     m_dllAvFormat.avformat_close_input(&fmt_ctx);
2405     delete sound;
2406     return NULL;
2407   }
2408
2409   dec_ctx = m_dllAvCodec.avcodec_alloc_context3(dec);
2410   dec_ctx->sample_rate = config.sample_rate;
2411   dec_ctx->channels = config.channels;
2412   if (!config.channel_layout)
2413     config.channel_layout = m_dllAvUtil.av_get_default_channel_layout(config.channels);
2414   dec_ctx->channel_layout = config.channel_layout;
2415
2416   AVPacket avpkt;
2417   AVFrame *decoded_frame = NULL;
2418   decoded_frame = m_dllAvCodec.avcodec_alloc_frame();
2419
2420   if (m_dllAvCodec.avcodec_open2(dec_ctx, dec, NULL) >= 0)
2421   {
2422     bool init = false;
2423
2424     // decode until eof
2425     m_dllAvCodec.av_init_packet(&avpkt);
2426     int len;
2427     while (m_dllAvFormat.av_read_frame(fmt_ctx, &avpkt) >= 0)
2428     {
2429       int got_frame = 0;
2430       len = m_dllAvCodec.avcodec_decode_audio4(dec_ctx, decoded_frame, &got_frame, &avpkt);
2431       if (len < 0)
2432       {
2433         m_dllAvCodec.avcodec_close(dec_ctx);
2434         m_dllAvUtil.av_free(dec_ctx);
2435         m_dllAvUtil.av_free(&decoded_frame);
2436         m_dllAvFormat.avformat_close_input(&fmt_ctx);
2437         delete sound;
2438         return NULL;
2439       }
2440       if (got_frame)
2441       {
2442         if (!init)
2443         {
2444           int samples = fileSize / m_dllAvUtil.av_get_bytes_per_sample(dec_ctx->sample_fmt) / config.channels;
2445           config.fmt = dec_ctx->sample_fmt;
2446           config.bits_per_sample = dec_ctx->bits_per_coded_sample;
2447           sound->InitSound(true, config, samples);
2448           init = true;
2449         }
2450         sound->StoreSound(true, decoded_frame->extended_data,
2451                           decoded_frame->nb_samples, decoded_frame->linesize[0]);
2452       }
2453     }
2454     m_dllAvCodec.avcodec_close(dec_ctx);
2455   }
2456
2457   m_dllAvUtil.av_free(dec_ctx);
2458   m_dllAvUtil.av_free(decoded_frame);
2459   m_dllAvFormat.avformat_close_input(&fmt_ctx);
2460
2461   sound->Finish();
2462
2463   // register sound
2464   m_dataPort.SendOutMessage(CActiveAEDataProtocol::NEWSOUND, &sound, sizeof(CActiveAESound*));
2465
2466   return sound;
2467 }
2468
2469 void CActiveAE::FreeSound(IAESound *sound)
2470 {
2471   m_dataPort.SendOutMessage(CActiveAEDataProtocol::FREESOUND, &sound, sizeof(CActiveAESound*));
2472 }
2473
2474 void CActiveAE::PlaySound(CActiveAESound *sound)
2475 {
2476   m_dataPort.SendOutMessage(CActiveAEDataProtocol::PLAYSOUND, &sound, sizeof(CActiveAESound*));
2477 }
2478
2479 void CActiveAE::StopSound(CActiveAESound *sound)
2480 {
2481   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STOPSOUND, &sound, sizeof(CActiveAESound*));
2482 }
2483
2484 /**
2485  * resample sounds to destination format for mixing
2486  * destination format is either format of stream or
2487  * default sink format when no stream is playing
2488  */
2489 void CActiveAE::ResampleSounds()
2490 {
2491   if (m_settings.guisoundmode == AE_SOUND_OFF ||
2492      (m_settings.guisoundmode == AE_SOUND_IDLE && !m_streams.empty()))
2493     return;
2494
2495   std::vector<CActiveAESound*>::iterator it;
2496   for (it = m_sounds.begin(); it != m_sounds.end(); ++it)
2497   {
2498     if (!(*it)->IsConverted())
2499     {
2500       ResampleSound(*it);
2501       // only do one sound, then yield to main loop
2502       break;
2503     }
2504   }
2505 }
2506
2507 bool CActiveAE::ResampleSound(CActiveAESound *sound)
2508 {
2509   SampleConfig orig_config, dst_config;
2510   uint8_t **dst_buffer;
2511   int dst_samples;
2512
2513   if (m_mode == MODE_RAW || m_internalFormat.m_dataFormat == AE_FMT_INVALID)
2514     return false;
2515
2516   if (!sound->GetSound(true))
2517     return false;
2518
2519   orig_config = sound->GetSound(true)->config;
2520
2521   dst_config.channel_layout = CActiveAEResample::GetAVChannelLayout(m_internalFormat.m_channelLayout);
2522   dst_config.channels = m_internalFormat.m_channelLayout.Count();
2523   dst_config.sample_rate = m_internalFormat.m_sampleRate;
2524   dst_config.fmt = CActiveAEResample::GetAVSampleFormat(m_internalFormat.m_dataFormat);
2525   dst_config.bits_per_sample = CAEUtil::DataFormatToUsedBits(m_internalFormat.m_dataFormat);
2526
2527   CActiveAEResample *resampler = new CActiveAEResample();
2528   resampler->Init(dst_config.channel_layout,
2529                   dst_config.channels,
2530                   dst_config.sample_rate,
2531                   dst_config.fmt,
2532                   dst_config.bits_per_sample,
2533                   orig_config.channel_layout,
2534                   orig_config.channels,
2535                   orig_config.sample_rate,
2536                   orig_config.fmt,
2537                   orig_config.bits_per_sample,
2538                   false,
2539                   true,
2540                   NULL,
2541                   m_settings.resampleQuality);
2542
2543   dst_samples = resampler->CalcDstSampleCount(sound->GetSound(true)->nb_samples,
2544                                               m_internalFormat.m_sampleRate,
2545                                               orig_config.sample_rate);
2546
2547   dst_buffer = sound->InitSound(false, dst_config, dst_samples);
2548   if (!dst_buffer)
2549   {
2550     delete resampler;
2551     return false;
2552   }
2553   int samples = resampler->Resample(dst_buffer, dst_samples,
2554                                     sound->GetSound(true)->data,
2555                                     sound->GetSound(true)->nb_samples,
2556                                     1.0);
2557
2558   sound->GetSound(false)->nb_samples = samples;
2559
2560   delete resampler;
2561   sound->SetConverted(true);
2562   return true;
2563 }
2564
2565 //-----------------------------------------------------------------------------
2566 // Streams
2567 //-----------------------------------------------------------------------------
2568
2569 IAEStream *CActiveAE::MakeStream(enum AEDataFormat dataFormat, unsigned int sampleRate, unsigned int encodedSampleRate, CAEChannelInfo channelLayout, unsigned int options)
2570 {
2571   //TODO: pass number of samples in audio packet
2572
2573   AEAudioFormat format;
2574   format.m_dataFormat = dataFormat;
2575   format.m_sampleRate = sampleRate;
2576   format.m_encodedRate = encodedSampleRate;
2577   format.m_channelLayout = channelLayout;
2578   format.m_frames = format.m_sampleRate / 10;
2579   format.m_frameSize = format.m_channelLayout.Count() *
2580                        (CAEUtil::DataFormatToBits(format.m_dataFormat) >> 3);
2581
2582   MsgStreamNew msg;
2583   msg.format = format;
2584   msg.options = options;
2585
2586   Message *reply;
2587   if (m_dataPort.SendOutMessageSync(CActiveAEDataProtocol::NEWSTREAM,
2588                                     &reply,10000,
2589                                     &msg, sizeof(MsgStreamNew)))
2590   {
2591     bool success = reply->signal == CActiveAEControlProtocol::ACC;
2592     if (success)
2593     {
2594       CActiveAEStream *stream = *(CActiveAEStream**)reply->data;
2595       reply->Release();
2596       return stream;
2597     }
2598     reply->Release();
2599   }
2600
2601   CLog::Log(LOGERROR, "ActiveAE::%s - could not create stream", __FUNCTION__);
2602   return NULL;
2603 }
2604
2605 IAEStream *CActiveAE::FreeStream(IAEStream *stream)
2606 {
2607   m_dataPort.SendOutMessage(CActiveAEDataProtocol::FREESTREAM, &stream, sizeof(IAEStream*));
2608   return NULL;
2609 }
2610
2611 void CActiveAE::FlushStream(CActiveAEStream *stream)
2612 {
2613   Message *reply;
2614   if (m_controlPort.SendOutMessageSync(CActiveAEControlProtocol::FLUSHSTREAM,
2615                                        &reply,1000,
2616                                        &stream, sizeof(CActiveAEStream*)))
2617   {
2618     bool success = reply->signal == CActiveAEControlProtocol::ACC;
2619     reply->Release();
2620     if (!success)
2621     {
2622       CLog::Log(LOGERROR, "CActiveAE::FlushStream - failed");
2623     }
2624   }
2625 }
2626
2627 void CActiveAE::PauseStream(CActiveAEStream *stream, bool pause)
2628 {
2629   // TODO pause sink, needs api change
2630   if (pause)
2631     m_controlPort.SendOutMessage(CActiveAEControlProtocol::PAUSESTREAM,
2632                                    &stream, sizeof(CActiveAEStream*));
2633   else
2634     m_controlPort.SendOutMessage(CActiveAEControlProtocol::RESUMESTREAM,
2635                                    &stream, sizeof(CActiveAEStream*));
2636 }
2637
2638 void CActiveAE::SetStreamAmplification(CActiveAEStream *stream, float amplify)
2639 {
2640   MsgStreamParameter msg;
2641   msg.stream = stream;
2642   msg.parameter.float_par = amplify;
2643   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STREAMAMP,
2644                                      &msg, sizeof(MsgStreamParameter));
2645 }
2646
2647 void CActiveAE::SetStreamReplaygain(CActiveAEStream *stream, float rgain)
2648 {
2649   MsgStreamParameter msg;
2650   msg.stream = stream;
2651   msg.parameter.float_par = rgain;
2652   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STREAMRGAIN,
2653                                      &msg, sizeof(MsgStreamParameter));
2654 }
2655
2656 void CActiveAE::SetStreamVolume(CActiveAEStream *stream, float volume)
2657 {
2658   MsgStreamParameter msg;
2659   msg.stream = stream;
2660   msg.parameter.float_par = volume;
2661   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STREAMVOLUME,
2662                                      &msg, sizeof(MsgStreamParameter));
2663 }
2664
2665 void CActiveAE::SetStreamResampleRatio(CActiveAEStream *stream, double ratio)
2666 {
2667   MsgStreamParameter msg;
2668   msg.stream = stream;
2669   msg.parameter.double_par = ratio;
2670   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STREAMRESAMPLERATIO,
2671                                      &msg, sizeof(MsgStreamParameter));
2672 }
2673
2674 void CActiveAE::SetStreamFade(CActiveAEStream *stream, float from, float target, unsigned int millis)
2675 {
2676   MsgStreamFade msg;
2677   msg.stream = stream;
2678   msg.from = from;
2679   msg.target = target;
2680   msg.millis = millis;
2681   m_controlPort.SendOutMessage(CActiveAEControlProtocol::STREAMFADE,
2682                                      &msg, sizeof(MsgStreamFade));
2683 }
2684
2685 void CActiveAE::RegisterAudioCallback(IAudioCallback* pCallback)
2686 {
2687   CSingleLock lock(m_vizLock);
2688   m_audioCallback = pCallback;
2689   m_vizInitialized = false;
2690 }
2691
2692 void CActiveAE::UnregisterAudioCallback()
2693 {
2694   CSingleLock lock(m_vizLock);
2695   m_audioCallback = NULL;
2696 }