player.cc

   1 /*
   2     Copyright 2004-2008 Chris Tallon
   3
   4     This file is part of VOMP.
   5
   6     VOMP is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     VOMP is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with VOMP.  If not, see <https://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "player.h"
  21
  22 #include "log.h"
  23 #include "audio.h"
  24 #include "video.h"
  25 #include "demuxervdr.h"
  26 #include "demuxerts.h"
  27 #include "vdr.h"
  28 #include "messagequeue.h"
  29 #include "input.h"
  30 #include "message.h"
  31 #include "dvbsubtitles.h"
  32 #include "osdreceiver.h"
  33
  34 #define USER_RESPONSE_TIME 500 // Milliseconds
  35
  36 // ----------------------------------- Called from outside, one offs or info funcs
  37
  38 Player::Player(MessageQueue* tmessageQueue, void* tmessageReceiver, OSDReceiver* tosdReceiver)
  39 : vfeed(this), afeed(this), tfeed(this)
  40 {
  41   messageQueue = tmessageQueue;
  42   messageReceiver = tmessageReceiver;
  43   osdReceiver = tosdReceiver;
  44   audio = Audio::getInstance();
  45   video = Video::getInstance();
  46   logger = Log::getInstance();
  47   vdr = VDR::getInstance();
  48
  49   video->turnVideoOn();
  50 }
  51
  52 Player::~Player()
  53 {
  54   if (initted) shutdown();
  55 }
  56
  57 int Player::init(bool p_isPesRecording, double framespersecond)
  58 {
  59   if (initted) return 0;
  60 #ifndef WIN32
  61   pthread_mutex_init(&mutex, NULL);
  62 #else
  63   mutex=CreateMutex(NULL,FALSE,NULL);
  64 #endif
  65   is_pesrecording = p_isPesRecording;
  66   fps = framespersecond;
  67   if (is_pesrecording)
  68     demuxer = new DemuxerVDR();
  69   else
  70     demuxer = new DemuxerTS();
  71   if (!demuxer) return 0;
  72   subtitles = new DVBSubtitles(osdReceiver);
  73   if (!subtitles) return 0;
  74
  75   teletext = new TeletextDecoderVBIEBU();
  76   if (!teletext) return 0;
  77   teletext->setRecordigMode(true);
  78   unsigned int demux_video_size = 2097152;
  79   unsigned int demux_audio_size = 524288;
  80   if (video->supportsh264())
  81   {
  82     demux_video_size *= 5 * 2;
  83   }
  84   if (audio->maysupportAc3())
  85   {
  86     //demux_audio_size*=2;
  87   }
  88
  89   if (!demuxer->init(this, audio, video,teletext, demux_video_size,demux_audio_size,65536, framespersecond, subtitles))
  90   {
  91     logger->log("Player", Log::ERR, "Demuxer failed to init");
  92     shutdown();
  93     return 0;
  94   }
  95
  96   vfeed.init();
  97   afeed.init();
  98   tfeed.init();
  99
 100   video->stop();
 101   video->blank();
 102   audio->stop();
 103
 104   if (Command::getInstance()->getSubDefault())
 105     turnSubtitlesOn(true);
 106   else
 107     turnSubtitlesOn(false);
 108
 109   initted = true;
 110   return 1;
 111 }
 112
 113 int Player::shutdown()
 114 {
 115   if (!initted) return 0;
 116   switchState(S_STOP);
 117   initted = false;
 118
 119   delete demuxer;
 120   demuxer = NULL;
 121   delete subtitles;
 122   subtitles = NULL;
 123   delete teletext;
 124   teletext = NULL;
 125
 126 #ifdef WIN32
 127   CloseHandle(mutex);
 128 #endif
 129
 130   return 1;
 131 }
 132
 133 void Player::setStartFrame(ULONG startFrame)
 134 {
 135   ULONG nextiframeNumber;
 136   ULONG iframeLength;
 137   ULONG iframeNumber;
 138   ULLONG filePos;
 139
 140   // newFrame could be anywhere, go forwards to next I-Frame
 141   if (!vdr->getNextIFrame(startFrame, 1, &filePos, &nextiframeNumber, &iframeLength)) return;
 142
 143   // Now step back a GOP. This ensures we go to the greatest I-Frame equal to or less than the requested frame
 144   vdr->getNextIFrame(nextiframeNumber, 0, &filePos, &iframeNumber, &iframeLength);
 145
 146   logger->log("Player", Log::DEBUG, "setStartFrame %lu %lu %lu", startFrame, nextiframeNumber,iframeNumber);
 147   currentFrameNumber = iframeNumber;
 148 }
 149
 150 void Player::setLengthBytes(ULLONG length)
 151 {
 152   lengthBytes = length;
 153   logger->log("Player", Log::DEBUG, "Player has received length bytes of %llu", lengthBytes);
 154 }
 155
 156 void Player::setLengthFrames(ULONG length)
 157 {
 158   lengthFrames = length;
 159   logger->log("Player", Log::DEBUG, "Player has received length frames of %lu", lengthFrames);
 160 }
 161
 162 ULONG Player::getLengthFrames()
 163 {
 164   return lengthFrames;
 165 }
 166
 167 ULONG Player::getCurrentFrameNum()
 168 {
 169   if (startup) return 0;
 170   switch(state)
 171   {
 172     case S_PLAY:
 173     case S_PAUSE_P:
 174       return demuxer->getFrameNumFromPTS(video->getCurrentTimestamp());
 175     case S_PAUSE_I:
 176     case S_FFWD:
 177     case S_FBWD:
 178       return currentFrameNumber;
 179     default:
 180       return 0; // shouldn't happen
 181   }
 182 }
 183
 184 bool* Player::getDemuxerMpegAudioChannels()
 185 {
 186   return demuxer->getmpAudioChannels();
 187 }
 188
 189 bool* Player::getDemuxerAc3AudioChannels()
 190 {
 191   return demuxer->getac3AudioChannels();
 192 }
 193
 194 bool* Player::getDemuxerSubtitleChannels()
 195 {
 196   return demuxer->getSubtitleChannels();
 197 }
 198
 199 int Player::getCurrentAudioChannel()
 200 {
 201   if (is_pesrecording)
 202     return demuxer->getselAudioChannel();
 203   else
 204     return dynamic_cast<DemuxerTS*>(demuxer)->getAID();
 205 }
 206
 207 int Player::getCurrentSubtitleChannel()
 208 {
 209   if (is_pesrecording)
 210     return demuxer->getselSubtitleChannel();
 211   else
 212     return dynamic_cast<DemuxerTS*>(demuxer)->getSubID();
 213 }
 214
 215 void Player::setSubtitleChannel(int newChannel)
 216 {
 217   if (is_pesrecording)
 218     demuxer->setDVBSubtitleStream(newChannel);
 219   else
 220     dynamic_cast<DemuxerTS*>(demuxer)->setSubID(newChannel);
 221 }
 222
 223 int *Player::getTeletxtSubtitlePages()
 224 {
 225   return teletext->getSubtitlePages();
 226 }
 227
 228 void Player::setAudioChannel(int newChannel, int type, int streamtype)
 229 {
 230   if (is_pesrecording)
 231   {
 232     demuxer->setAudioStream(newChannel);
 233     return;
 234   }
 235   else
 236   {
 237     dynamic_cast<DemuxerTS*>(demuxer)->setAID(newChannel,type,streamtype,false);
 238     return;
 239   }
 240 }
 241
 242 bool Player::toggleSubtitles()
 243 {
 244   if (!subtitlesShowing)
 245   {
 246     subtitlesShowing = true;
 247     subtitles->show();
 248   }
 249   else
 250   {
 251     subtitlesShowing = false;
 252     subtitles->hide();
 253   }
 254   return subtitlesShowing;
 255 }
 256
 257 void  Player::turnSubtitlesOn(bool ison)
 258 {
 259  if (ison)
 260   {
 261     subtitlesShowing = true;
 262     subtitles->show();
 263   }
 264   else
 265   {
 266     subtitlesShowing = false;
 267     subtitles->hide();
 268   }
 269 }
 270
 271 void Player::tellSubtitlesOSDVisible(bool visible)
 272 {
 273   subtitles->setOSDMenuVisibility(visible);
 274 }
 275
 276 Channel * Player::getDemuxerChannel()
 277 {
 278   if (!is_pesrecording)
 279   {
 280     return dynamic_cast<DemuxerTS*>(demuxer)->getChannelInfo();
 281   }
 282   return NULL; //Should not happen!
 283 }
 284
 285
 286 // ----------------------------------- Externally called events
 287
 288 void Player::play()
 289 {
 290   if (!initted) return;
 291   if (state == S_PLAY) return;
 292   lock();
 293
 294   bool doUnlock = false;
 295   if (state == S_PAUSE_P) doUnlock = true;
 296   switchState(S_PLAY);
 297   if (doUnlock) unLock();
 298 }
 299
 300 void Player::playpause()
 301 {
 302   if (!initted) return;
 303   lock();
 304
 305   bool doUnlock = false;
 306   if (state==S_PLAY)
 307   {
 308     doUnlock=true;
 309     switchState(S_PAUSE_P);
 310   }
 311   else
 312   {
 313     if (state == S_PAUSE_P) doUnlock = true;
 314     switchState(S_PLAY);
 315   }
 316   if (doUnlock) unLock();
 317 }
 318
 319 void Player::stop()
 320 {
 321   if (!initted) return;
 322   if (state == S_STOP) return;
 323   lock();
 324   logger->log("Player", Log::DEBUG, "Stop called lock");
 325   switchState(S_STOP);
 326   unLock();
 327 }
 328
 329 void Player::pause()
 330 {
 331   if (!initted) return;
 332   lock();
 333
 334   if ((state == S_FFWD) || (state == S_FBWD))
 335   {
 336     switchState(S_PAUSE_I);
 337   }
 338   else if ((state == S_PAUSE_I) || (state == S_PAUSE_P))
 339   {
 340     switchState(S_PLAY);
 341   }
 342   else
 343   {
 344     switchState(S_PAUSE_P);
 345   }
 346
 347   unLock();
 348 }
 349
 350 void Player::fastForward()
 351 {
 352   if (!initted) return;
 353   lock();
 354
 355   if (state == S_FFWD)
 356   {
 357     // change the rate
 358     switch(ifactor)
 359     {
 360       case 4: ifactor = 8; break;
 361       case 8: ifactor = 16; break;
 362       case 16: ifactor = 32; break;
 363       case 32: ifactor = 4; break;
 364     }
 365   }
 366   else
 367   {
 368     ifactor = 4;
 369     switchState(S_FFWD);
 370   }
 371   unLock();
 372 }
 373
 374 void Player::fastBackward()
 375 {
 376   if (!initted) return;
 377   lock();
 378
 379   if (state == S_FBWD)
 380   {
 381     // change the rate
 382     switch(ifactor)
 383     {
 384       case 4: ifactor = 8; break;
 385       case 8: ifactor = 16; break;
 386       case 16: ifactor = 32; break;
 387       case 32: ifactor = 4; break;
 388     }
 389   }
 390   else
 391   {
 392     ifactor = 4;
 393     switchState(S_FBWD);
 394   }
 395   unLock();
 396 }
 397
 398 void Player::jumpToPercent(double percent)
 399 {
 400   lock();
 401   logger->log("Player", Log::DEBUG, "JUMP TO %f%%", percent);
 402   ULONG newFrame = static_cast<ULONG>(percent * lengthFrames / 100);
 403   switchState(S_JUMP, newFrame);
 404 //  unLock(); - let thread unlock this
 405 }
 406
 407 void Player::jumpToMark(int mark)
 408 {
 409   lock();
 410   logger->log("Player", Log::DEBUG, "JUMP TO MARK %i%%", mark);
 411   switchState(S_JUMP, mark);
 412 //  unLock(); - let thread unlock this
 413 }
 414
 415 void Player::jumpToFrameP(int newFrame)
 416 {
 417   lock();
 418   logger->log("Player", Log::DEBUG, "JUMP TO FRAME AND PAUSE %i", newFrame);
 419   switchState(S_JUMP_PI, newFrame);
 420   unLock();
 421 }
 422
 423 void Player::skipForward(int seconds)
 424 {
 425   lock();
 426   logger->log("Player", Log::DEBUG, "SKIP FORWARD %i SECONDS", seconds);
 427   ULONG newFrame = getCurrentFrameNum();
 428   if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
 429   newFrame += static_cast<ULONG>(static_cast<double>(seconds) * fps);
 430   if (newFrame > lengthFrames) { switchState(S_PLAY); unLock(); }
 431   else switchState(S_JUMP, newFrame);
 432 //  unLock(); - let thread unlock this
 433 }
 434
 435 void Player::skipBackward(int seconds)
 436 {
 437   lock();
 438   logger->log("Player", Log::DEBUG, "SKIP BACKWARD %i SECONDS", seconds);
 439   long newFrame = getCurrentFrameNum();
 440   if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
 441   newFrame -= static_cast<ULONG>(static_cast<double>(seconds) * fps);
 442   if (newFrame < 0) newFrame = 0;
 443   switchState(S_JUMP, newFrame);
 444 //  unLock(); - let thread unlock this
 445 }
 446
 447 // ----------------------------------- Implementations called events
 448
 449 void Player::switchState(UCHAR toState, ULONG jumpFrame)
 450 {
 451   if (!initted) return;
 452
 453   logger->log("Player", Log::DEBUG, "Switch state from %u to %u", state, toState);
 454
 455   switch(state) // current state selector
 456   {
 457     case S_PLAY: // from S_PLAY -----------------------------------
 458     {
 459       switch(toState)
 460       {
 461         case S_PLAY: // to S_PLAY
 462         {
 463           return;
 464         }
 465         case S_PAUSE_P: // to S_PAUSE_P
 466         {
 467           #ifdef VOMP_PLATFORM_RASPBERRY
 468           vfeed.stop(); // can't vfeed during pause
 469           #endif
 470
 471           video->pause();
 472           audio->pause();
 473           state = S_PAUSE_P;
 474           return;
 475         }
 476         case S_PAUSE_I: // to S_PAUSE_I
 477         {
 478           // can't occur
 479           return;
 480         }
 481         case S_FFWD: // to S_FFWD
 482         {
 483           currentFrameNumber = getCurrentFrameNum();
 484           audio->systemMuteOn();
 485           threadStop();
 486           vfeed.stop();
 487           afeed.stop();
 488           tfeed.stop();
 489           subtitles->stop();
 490           demuxer->flush();
 491           state = S_FFWD;
 492           threadStart();
 493           return;
 494         }
 495         case S_FBWD: // to S_FBWD
 496         {
 497           currentFrameNumber = getCurrentFrameNum();
 498           audio->systemMuteOn();
 499           threadStop();
 500           vfeed.stop();
 501           afeed.stop();
 502           tfeed.stop();
 503           subtitles->stop();
 504           demuxer->flush();
 505           state = S_FBWD;
 506           threadStart();
 507           return;
 508         }
 509         case S_STOP: // to S_STOP
 510         {
 511           vfeed.stop();
 512           afeed.stop();
 513           tfeed.stop();
 514           subtitles->stop();
 515           threadStop();
 516           video->stop();
 517           video->blank();
 518           audio->stop();
 519           audio->unPause();
 520           video->reset();
 521           demuxer->reset();
 522           state = S_STOP;
 523           return;
 524         }
 525         case S_JUMP: // to S_JUMP
 526         {
 527           restartAtFrame(jumpFrame);
 528           return;
 529         }
 530         case S_JUMP_PI: // to S_JUMP_PI
 531         {
 532           audio->systemMuteOn();
 533           threadStop();
 534           vfeed.stop();
 535           afeed.stop();
 536           tfeed.stop();
 537           subtitles->stop();
 538           demuxer->flush();
 539           state = S_PAUSE_I;
 540           video->reset();
 541           video->play();
 542           restartAtFramePI(jumpFrame);
 543           return;
 544         }
 545       }
 546     }
 547     case S_PAUSE_P: // from S_PAUSE_P -----------------------------------
 548     {
 549       switch(toState)
 550       {
 551         case S_PLAY: // to S_PLAY
 552         {
 553           video->unPause();
 554           audio->unPause();
 555
 556           #ifdef VOMP_PLATFORM_RASPBERRY
 557           vfeed.start(false);
 558           #endif
 559
 560           state = S_PLAY;
 561           return;
 562         }
 563         case S_PAUSE_P: // to S_PAUSE_P
 564         {
 565           return;
 566         }
 567         case S_PAUSE_I: // to S_PAUSE_I
 568         {
 569           return;
 570         }
 571         case S_FFWD: // to S_FFWD
 572         {
 573           currentFrameNumber = getCurrentFrameNum();
 574           audio->systemMuteOn();
 575           vfeed.stop();
 576           afeed.stop();
 577           tfeed.stop();
 578           subtitles->stop();
 579           threadStop();
 580           video->unPause();
 581           audio->unPause();
 582           state = S_FFWD;
 583           threadStart();
 584           return;
 585         }
 586         case S_FBWD: // to S_FBWD
 587         {
 588           currentFrameNumber = getCurrentFrameNum();
 589           audio->systemMuteOn();
 590           vfeed.stop();
 591           afeed.stop();
 592           tfeed.stop();
 593           subtitles->stop();
 594           threadStop();
 595           video->unPause();
 596           audio->unPause();
 597           state = S_FBWD;
 598           threadStart();
 599           return;
 600         }
 601         case S_STOP: // to S_STOP
 602         {
 603           vfeed.stop();
 604           afeed.stop();
 605           tfeed.stop();
 606           subtitles->stop();
 607           threadStop();
 608           video->stop();
 609           video->blank();
 610           audio->stop();
 611           video->reset();
 612           audio->unPause();
 613           demuxer->reset();
 614           audio->systemMuteOff();
 615           state = S_STOP;
 616           return;
 617         }
 618         case S_JUMP: // to S_JUMP
 619         {
 620           state = S_PLAY;
 621           audio->systemMuteOn();
 622           audio->unPause();
 623           restartAtFrame(jumpFrame);
 624           return;
 625         }
 626         case S_JUMP_PI: // to S_JUMP_PI
 627         {
 628           audio->systemMuteOn();
 629           audio->unPause();
 630           threadStop();
 631           vfeed.stop();
 632           afeed.stop();
 633           tfeed.stop();
 634           subtitles->stop();
 635           demuxer->flush();
 636           state = S_PAUSE_I;
 637           video->reset();
 638           video->play();
 639           restartAtFramePI(jumpFrame);
 640           return;
 641         }
 642       }
 643     }
 644     case S_PAUSE_I: // from S_PAUSE_I -----------------------------------
 645     {
 646       switch(toState)
 647       {
 648         case S_PLAY: // to S_PLAY
 649         {
 650           state = S_PLAY;
 651           restartAtFrame(currentFrameNumber);
 652           return;
 653         }
 654         case S_PAUSE_P: // to S_PAUSE_P
 655         {
 656           return;
 657         }
 658         case S_PAUSE_I: // to S_PAUSE_I
 659         {
 660           return;
 661         }
 662         case S_FFWD: // to S_FFWD
 663         {
 664           state = S_FFWD;
 665           threadStart();
 666           return;
 667         }
 668         case S_FBWD: // to S_FBWD
 669         {
 670           state = S_FBWD;
 671           threadStart();
 672           return;
 673         }
 674         case S_STOP: // to S_STOP
 675         {
 676           video->stop();
 677           video->blank();
 678           audio->stop();
 679           video->reset();
 680           demuxer->reset();
 681           audio->systemMuteOff();
 682           state = S_STOP;
 683           return;
 684         }
 685         case S_JUMP: // to S_JUMP
 686         {
 687           state = S_PLAY;
 688           restartAtFrame(jumpFrame);
 689           return;
 690         }
 691         case S_JUMP_PI: // to S_JUMP_PI
 692         {
 693           restartAtFramePI(jumpFrame);
 694           return;
 695         }
 696       }
 697     }
 698     case S_FFWD: // from S_FFWD -----------------------------------
 699     {
 700       switch(toState)
 701       {
 702         case S_PLAY: // to S_PLAY
 703         {
 704           state = S_PLAY;
 705           ULONG stepback = (ULONG)(((double)USER_RESPONSE_TIME * ifactor) * fps / 1000.);
 706           if (stepback < currentFrameNumber)
 707             currentFrameNumber -= stepback;
 708           else
 709             currentFrameNumber = 0;
 710           restartAtFrame(currentFrameNumber);
 711           return;
 712         }
 713         case S_PAUSE_P: // to S_PAUSE_P
 714         {
 715           // can't occur
 716           return;
 717         }
 718         case S_PAUSE_I: // to S_PAUSE_I
 719         {
 720           threadStop();
 721           state = S_PAUSE_I;
 722           return;
 723         }
 724         case S_FFWD: // to S_FFWD
 725         {
 726           return;
 727         }
 728         case S_FBWD: // to S_FBWD
 729         {
 730           threadStop();
 731           state = S_FBWD;
 732           threadStart();
 733           return;
 734         }
 735         case S_STOP: // to S_STOP
 736         {
 737           threadStop();
 738           video->stop();
 739           video->blank();
 740           audio->stop();
 741           video->reset();
 742           demuxer->reset();
 743           state = S_STOP;
 744           return;
 745         }
 746         case S_JUMP: // to S_JUMP
 747         {
 748           state = S_PLAY;
 749           restartAtFrame(jumpFrame);
 750           return;
 751         }
 752         case S_JUMP_PI: // to S_JUMP_PI
 753         {
 754           threadStop();
 755           state = S_PAUSE_I;
 756           restartAtFramePI(jumpFrame);
 757           return;
 758         }
 759       }
 760     }
 761     case S_FBWD: // from S_FBWD -----------------------------------
 762     {
 763       switch(toState)
 764       {
 765         case S_PLAY: // to S_PLAY
 766         {
 767           state = S_PLAY;
 768           restartAtFrame(currentFrameNumber);
 769           return;
 770         }
 771         case S_PAUSE_P: // to S_PAUSE_P
 772         {
 773           // can't occur
 774           return;
 775         }
 776         case S_PAUSE_I: // to S_PAUSE_I
 777         {
 778           threadStop();
 779           state = S_PAUSE_I;
 780           return;
 781         }
 782         case S_FFWD: // to S_FFWD
 783         {
 784           threadStop();
 785           state = S_FFWD;
 786           threadStart();
 787           return;
 788         }
 789         case S_FBWD: // to S_FBWD
 790         {
 791           return;
 792         }
 793         case S_STOP: // to S_STOP
 794         {
 795           threadStop();
 796           video->stop();
 797           video->blank();
 798           audio->stop();
 799           video->reset();
 800           demuxer->reset();
 801           state = S_STOP;
 802           return;
 803         }
 804         case S_JUMP: // to S_JUMP
 805         {
 806           state = S_PLAY;
 807           restartAtFrame(jumpFrame);
 808           return;
 809         }
 810         case S_JUMP_PI: // to S_JUMP_PI
 811         {
 812           threadStop();
 813           state = S_PAUSE_I;
 814           restartAtFramePI(jumpFrame);
 815           return;
 816         }
 817       }
 818     }
 819     case S_STOP: // from S_STOP -----------------------------------
 820     {
 821       switch(toState)
 822       {
 823         case S_PLAY: // to S_PLAY
 824         {
 825           startup = true;
 826
 827           audio->reset();
 828           audio->setStreamType(Audio::MPEG2_PES);
 829           audio->systemMuteOff();
 830           video->reset();
 831           demuxer->reset();
 832           // FIXME use restartAtFrame here?
 833           if (currentFrameNumber > lengthFrames) currentFrameNumber = 0;
 834           demuxer->setFrameNum(currentFrameNumber);
 835           demuxer->seek();
 836           videoStartup = true;
 837           state = S_PLAY;
 838           threadStart();
 839           logger->log("Player", Log::DEBUG, "Immediate play");
 840           afeed.start();
 841           vfeed.start();
 842           tfeed.start();
 843           subtitles->start();
 844           video->sync();
 845           audio->sync();
 846           audio->play();
 847           video->pause();
 848           return;
 849         }
 850         case S_PAUSE_P: // to S_PAUSE_P
 851         {
 852           return;
 853         }
 854         case S_PAUSE_I: // to S_PAUSE_I
 855         {
 856           return;
 857         }
 858         case S_FFWD: // to S_FFWD
 859         {
 860           return;
 861         }
 862         case S_FBWD: // to S_FBWD
 863         {
 864           return;
 865         }
 866         case S_STOP: // to S_STOP
 867         {
 868           return;
 869         }
 870         case S_JUMP: // to S_JUMP
 871         {
 872           return;
 873         }
 874         case S_JUMP_PI: // to S_JUMP_PI
 875         {
 876           return;
 877         }
 878       }
 879     }
 880     // case S_JUMP cannot be a start state because it auto flips to play
 881     // case S_JUMP_PI cannot be a start state because it auto flips to S_PAUSE_I
 882   }
 883 }
 884
 885 // ----------------------------------- Internal functions
 886
 887 void Player::lock()
 888 {
 889 #ifndef WIN32
 890   pthread_mutex_lock(&mutex);
 891   logger->log("Player", Log::DEBUG, "LOCKED");
 892
 893 #else
 894    WaitForSingleObject(mutex, INFINITE);
 895 #endif
 896 }
 897
 898 void Player::unLock()
 899 {
 900 #ifndef WIN32
 901   logger->log("Player", Log::DEBUG, "UNLOCKING");
 902   pthread_mutex_unlock(&mutex);
 903 #else
 904    ReleaseMutex(mutex);
 905 #endif
 906 }
 907
 908 void Player::restartAtFrame(ULONG newFrame)
 909 {
 910   vfeed.stop();
 911   afeed.stop();
 912   tfeed.stop();
 913   subtitles->stop();
 914   threadStop();
 915   video->stop();
 916   video->reset();
 917   audio->reset();
 918   audio->setStreamType(Audio::MPEG2_PES);
 919   demuxer->flush();
 920   demuxer->seek();
 921   currentFrameNumber = newFrame;
 922   demuxer->setFrameNum(newFrame);
 923   videoStartup = true;
 924   afeed.start();
 925   tfeed.start();
 926   vfeed.start();
 927   subtitles->start();
 928   threadStart();
 929   audio->play();
 930   video->sync();
 931   audio->sync();
 932   audio->systemMuteOff();
 933   audio->doMuting();
 934 }
 935
 936
 937 void Player::restartAtFramePI(ULONG newFrame)
 938 {
 939   ULLONG filePos;
 940   ULONG nextiframeNumber;
 941   ULONG iframeLength;
 942   ULONG iframeNumber;
 943
 944   UCHAR* buffer;
 945   UINT amountReceived;
 946   UINT videoLength;
 947
 948   // newFrame could be anywhere, go forwards to next I-Frame
 949   if (!vdr->getNextIFrame(newFrame, 1, &filePos, &nextiframeNumber, &iframeLength)) return;
 950
 951   // Now step back a GOP. This ensures we go to the greatest I-Frame equal to or less than the requested frame
 952   vdr->getNextIFrame(nextiframeNumber, 0, &filePos, &iframeNumber, &iframeLength);
 953
 954   buffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
 955   if (!vdr->isConnected())
 956   {
 957     if (buffer) free(buffer);
 958     doConnectionLost();
 959   }
 960   else
 961   {
 962     videoLength = demuxer->stripAudio(buffer, amountReceived);
 963     video->displayIFrame(buffer, videoLength);
 964     video->displayIFrame(buffer, videoLength); // If you do it twice, it works :)
 965     free(buffer);
 966     currentFrameNumber = iframeNumber;
 967   }
 968 }
 969
 970 void Player::doConnectionLost()
 971 {
 972   logger->log("Player", Log::DEBUG, "Connection lost, sending message");
 973   Message* m = new Message();
 974   m->to = messageReceiver;
 975   m->from = this;
 976   m->message = Message::PLAYER_EVENT;
 977   m->parameter = Player::CONNECTION_LOST;
 978   messageQueue->postMessage(m);
 979 }
 980
 981 // ----------------------------------- Callback
 982
 983 void Player::call(void* caller)
 984 {
 985   if (caller == demuxer)
 986   {
 987     logger->log("Player", Log::DEBUG, "Callback from demuxer");
 988
 989     if (video->getTVsize() == Video::ASPECT4X3)
 990     {
 991       logger->log("Player", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
 992       return;
 993     }
 994
 995     int parx,pary;
 996     int dxCurrentAspect = demuxer->getAspectRatio(&parx,&pary);
 997     if (dxCurrentAspect == Demuxer::ASPECT_4_3)
 998     {
 999       logger->log("Player", Log::DEBUG, "Demuxer said video is 4:3 aspect, switching TV");
1000       video->setAspectRatio(Video::ASPECT4X3,parx,pary);
1001
1002       Message* m = new Message();
1003       m->from = this;
1004       m->to = messageReceiver;
1005       m->message = Message::PLAYER_EVENT;
1006       m->parameter = Player::ASPECT43;
1007       messageQueue->postMessage(m);
1008     }
1009     else if (dxCurrentAspect == Demuxer::ASPECT_16_9)
1010     {
1011       logger->log("Player", Log::DEBUG, "Demuxer said video is 16:9 aspect, switching TV");
1012       video->setAspectRatio(Video::ASPECT16X9,parx,pary);
1013
1014       Message* m = new Message();
1015       m->from = this;
1016       m->to = messageReceiver;
1017       m->message = Message::PLAYER_EVENT;
1018       m->parameter = Player::ASPECT169;
1019       messageQueue->postMessage(m);
1020     }
1021     else
1022     {
1023       logger->log("Player", Log::DEBUG, "Demuxer said video is something else... setting it anyway");
1024           video->setAspectRatio(dxCurrentAspect,parx,pary);
1025     }
1026
1027   }
1028   else
1029   {
1030     if (videoStartup)
1031     {
1032       videoStartup = false;
1033       video->reset();
1034       video->play();
1035       video->sync();
1036       vfeed.release();
1037       unLock();
1038     }
1039
1040     threadSignalNoLock();
1041   }
1042 }
1043
1044 // ----------------------------------- Feed thread
1045
1046 void Player::threadMethod()
1047 {
1048   // this method used to be simple, the only thing it does
1049   // is farm out to threadFeed Live/Play/Scan
1050   // All the guff is to support scan hitting one end
1051
1052   if ((state == S_FFWD) || (state == S_FBWD))
1053   {
1054     if (video->PTSIFramePlayback()) threadPTSFeedScan();
1055     else threadFeedScan();
1056     // if this returns then scan hit one end
1057     if (state == S_FFWD) // scan hit the end. stop
1058     {
1059       threadCheckExit();
1060       Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1061       m->to = messageReceiver;
1062       m->from = this;
1063       m->message = Message::PLAYER_EVENT;
1064       m->parameter = STOP_PLAYBACK;
1065       logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1066       messageQueue->postMessage(m);
1067       logger->log("Player", Log::DEBUG, "Message posted...");
1068       return;
1069     }
1070     // if execution gets to here, threadFeedScan hit the start, go to play mode
1071     state = S_PLAY;
1072     audio->reset();
1073     audio->setStreamType(Audio::MPEG2_PES);
1074     demuxer->flush();
1075     demuxer->seek();
1076     demuxer->setFrameNum(currentFrameNumber);
1077     videoStartup = true;
1078     afeed.start();
1079     tfeed.start();
1080     vfeed.start();
1081     subtitles->start();
1082     audio->play();
1083     audio->sync();
1084     audio->systemMuteOff();
1085     audio->doMuting();
1086   }
1087
1088   if (state == S_PLAY) threadFeedPlay();
1089 }
1090
1091 void Player::threadFeedPlay()
1092 {
1093   ULLONG feedPosition;
1094   UINT thisRead, writeLength, thisWrite, askFor;
1095   time_t lastRescan = time(NULL);
1096
1097   feedPosition = vdr->positionFromFrameNumber(currentFrameNumber);
1098   if (!vdr->isConnected()) { doConnectionLost(); return; }
1099   logger->log("Player", Log::DEBUG, "startFeedPlay: wantedframe %i goto %llu", currentFrameNumber, feedPosition);
1100
1101
1102   while(1)
1103   {
1104     thisRead = 0;
1105     writeLength = 0;
1106     thisWrite = 0;
1107
1108     threadCheckExit();
1109
1110     // If we havn't rescanned for a while..
1111     if ((lastRescan + 60) < time(NULL))
1112     {
1113       lengthBytes = vdr->rescanRecording(&lengthFrames);
1114       if (!vdr->isConnected()) { doConnectionLost(); return; }
1115       logger->log("Player", Log::DEBUG, "Rescanned and reset length: %llu", lengthBytes);
1116       lastRescan = time(NULL);
1117     }
1118
1119     if (feedPosition >= lengthBytes) break;  // finished playback
1120
1121     if (startup)
1122     {
1123       if (startupBlockSize > lengthBytes)
1124         askFor = lengthBytes; // is a very small recording!
1125       else
1126         askFor = startupBlockSize; // normal, but a startup sized block to detect all the audio streams
1127     }
1128     else
1129     {
1130       if ((feedPosition + blockSize) > lengthBytes) // last block of recording
1131         askFor = lengthBytes - feedPosition;
1132       else // normal
1133         askFor = blockSize;
1134     }
1135     //logger->log("Player", Log::DEBUG, "Get Block in");
1136
1137     threadBuffer = vdr->getBlock(feedPosition, askFor, &thisRead);
1138     //logger->log("Player", Log::DEBUG, "Get Block out");
1139
1140     feedPosition += thisRead;
1141
1142     if (!vdr->isConnected())
1143     {
1144       doConnectionLost();
1145       return;
1146     }
1147
1148     if (!threadBuffer) break;
1149
1150     if (startup)
1151     {
1152       int a_stream = demuxer->scan(threadBuffer, thisRead);
1153       demuxer->setAudioStream(a_stream);
1154       logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
1155       startup = false;
1156     }
1157
1158     threadCheckExit();
1159
1160     while(writeLength < thisRead)
1161     {
1162       //logger->log("Player", Log::DEBUG, "Put in");
1163       thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
1164       //logger->log("Player", Log::DEBUG, "Put out");
1165       writeLength += thisWrite;
1166
1167       if (!thisWrite)
1168       {
1169         // demuxer is full and can't take anymore
1170         threadLock();
1171         if (!threadActive) { threadUnlock(); threadCheckExit(); }
1172         threadWaitForSignal();
1173         threadUnlock();
1174       }
1175
1176       threadCheckExit();
1177     }
1178
1179     free(threadBuffer);
1180     threadBuffer = NULL;
1181
1182   }
1183
1184   // end of recording
1185   logger->log("Player", Log::DEBUG, "Recording playback ends");
1186
1187   if (videoStartup) // oh woe. there never was a stream, I was conned!
1188   {
1189     videoStartup = false;
1190     unLock();
1191     MILLISLEEP(500); // I think this will solve a race
1192   }
1193
1194   threadCheckExit();
1195
1196
1197   Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1198   m->to = messageReceiver;
1199   m->from = this;
1200   m->message = Message::PLAYER_EVENT;
1201   m->parameter = Player::STOP_PLAYBACK;
1202   logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1203   messageQueue->postMessage(m);
1204 }
1205
1206
1207 void Player::threadPTSFeedScan()
1208 {
1209   // This method manipulates the PTS instead of waiting, this is for the android devices, maybe later for windows?
1210
1211   ULONG direction = 0;
1212   int dir_fac=-1;
1213   ULONG baseFrameNumber = 0;
1214   ULONG iframeNumber = 0;
1215   ULONG iframeLength = 0;
1216   ULONG currentfeedFrameNumber=currentFrameNumber;
1217   ULONG firstFrameNumber=currentFrameNumber;
1218   ULLONG filePos;
1219   UINT amountReceived;
1220   UINT videoLength;
1221
1222   UINT playtime=0;
1223
1224   int frameTimeOffset = 0; // Time in msec between frames
1225
1226   if (state == S_FFWD)
1227   {
1228     direction = 1; // and 0 for backward
1229     dir_fac = 1;
1230   }
1231   video->EnterIframePlayback();
1232
1233   while(1)
1234   {
1235     baseFrameNumber = currentfeedFrameNumber;
1236
1237     threadCheckExit();
1238     if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1239        return;
1240
1241     if (iframeNumber >= lengthFrames) return;
1242         // scan has got to the end of what we knew to be there before we started scanning
1243
1244     baseFrameNumber = iframeNumber;
1245
1246     frameTimeOffset =(int) ((double)(abs((int)iframeNumber - (int)currentfeedFrameNumber) * 1000) / (fps * (double)ifactor));
1247
1248     logger->log("Player", Log::DEBUG, "XXX Got frame");
1249
1250     threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1251
1252     if (!vdr->isConnected())
1253     {
1254       if (threadBuffer) free(threadBuffer);
1255       doConnectionLost();
1256       break;
1257     }
1258
1259
1260     threadCheckExit();
1261
1262
1263     videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1264     demuxer->changeTimes(threadBuffer,videoLength,playtime);
1265     int count=0;
1266     while (!video->displayIFrame(threadBuffer, videoLength)) // the device might block
1267     {
1268         MILLISLEEP(20);
1269         threadCheckExit();
1270         count++;
1271         if (count%300==0) {
1272                 ULLONG cur_time=video->getCurrentTimestamp();
1273         //       logger->log("Player", Log::ERR, "FFN: %d CFN: %d dirfac %d time %lld ifac %d fps %g",
1274                 //              firstFrameNumber, currentFrameNumber,dir_fac,cur_time,ifactor,fps);
1275                 if (cur_time!=0) {
1276                     currentFrameNumber=firstFrameNumber+(int)(((double)(dir_fac*((long long)cur_time)*((int)ifactor))*fps/90000.));
1277                 }
1278         }
1279
1280     }
1281     playtime +=frameTimeOffset;
1282     currentfeedFrameNumber = iframeNumber;
1283     {
1284                 ULLONG cur_time=video->getCurrentTimestamp();
1285         //       logger->log("Player", Log::ERR, "FFN: %d CFN: %d dirfac %d time %lld ifac %d fps %g",
1286                 //              firstFrameNumber, currentFrameNumber,dir_fac,cur_time,ifactor,fps);
1287                 if (cur_time!=0) {
1288                     currentFrameNumber=firstFrameNumber+(int)(((double)(dir_fac*((long long)cur_time)*((int)ifactor))*fps/90000.));
1289                 }
1290         }
1291
1292     free(threadBuffer);
1293     threadBuffer = NULL;
1294   }
1295 }
1296
1297
1298
1299 void Player::threadFeedScan()
1300 {
1301   // This method is actually really simple - get frame from vdr,
1302   // spit it at the video chip, wait for a time. Most of the code here
1303   // is to get the wait right so that the scan occurs at the correct rate.
1304
1305   ULONG direction = 0;
1306   ULONG baseFrameNumber = 0;
1307   ULONG iframeNumber = 0;
1308   ULONG iframeLength = 0;
1309   ULLONG filePos;
1310   UINT amountReceived;
1311   UINT videoLength;
1312
1313 #ifndef WIN32
1314   struct timeval clock0 = {0,0};  // Time stamp after fetching I-frame info
1315   struct timeval clock1 = {0,0};  // Time stamp after fetching I-frame data
1316   struct timeval clock2 = {0,0} ; // Time stamp after displaying I-frame
1317 #else
1318   DWORD clock0 = 0, clock1 = 0, clock2 = 0;
1319 #endif
1320
1321   int frameTimeOffset = 0; // Time in msec between frames
1322   int disp_msec = 0;  // Time taken to display data
1323   int total_msec = 0; // Time taken to fetch data and display it
1324   int sleepTime = 0;
1325
1326   if (state == S_FFWD) direction = 1; // and 0 for backward
1327
1328   while(1)
1329   {
1330     // Fetch I-frames until we get one that can be displayed in good time
1331     // Repeat while clock0 + total_msec > clock2 + frameTimeOffset
1332
1333     baseFrameNumber = currentFrameNumber;
1334     do
1335     {
1336       threadCheckExit();
1337       if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1338         return;
1339
1340       if (iframeNumber >= lengthFrames) return;
1341         // scan has got to the end of what we knew to be there before we started scanning
1342
1343       baseFrameNumber = iframeNumber;
1344       frameTimeOffset =(int) ((double)(abs((int)iframeNumber - (int)currentFrameNumber) * 1000) / (fps * (double)ifactor));
1345 #ifndef WIN32
1346       gettimeofday(&clock0, NULL);
1347 #else
1348       clock0 = timeGetTime();
1349 #endif
1350     }
1351 #ifndef WIN32
1352     while (clock2.tv_sec != 0 &&
1353           (clock0.tv_sec - clock2.tv_sec) * 1000 +
1354           (clock0.tv_usec - clock2.tv_usec) / 1000 > frameTimeOffset - total_msec);
1355 #else
1356     while (clock2 != 0 && clock0 + total_msec > clock2 + frameTimeOffset);
1357 #endif
1358     logger->log("Player", Log::DEBUG, "XXX Got frame");
1359
1360     threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1361
1362     if (!vdr->isConnected() || !amountReceived)
1363     {
1364       if (threadBuffer) free(threadBuffer);
1365       doConnectionLost();
1366       break;
1367     }
1368
1369 #ifndef WIN32
1370     gettimeofday(&clock1, NULL);
1371     if (clock2.tv_sec != 0)
1372       sleepTime = (clock2.tv_sec - clock1.tv_sec) * 1000
1373                 + (clock2.tv_usec - clock1.tv_usec) / 1000
1374                 + frameTimeOffset - disp_msec;
1375 #else
1376     clock1 = timeGetTime();
1377     if (clock2 != 0)
1378       sleepTime = clock2 + frameTimeOffset - disp_msec - clock1;
1379 #endif
1380     if (sleepTime < 0) sleepTime = 0;
1381     threadCheckExit();
1382     MILLISLEEP(sleepTime);
1383    logger->log("Player", Log::DEBUG, "XXX Slept for %d", sleepTime);
1384
1385     videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1386     video->displayIFrame(threadBuffer, videoLength);
1387     currentFrameNumber = iframeNumber;
1388     free(threadBuffer);
1389     threadBuffer = NULL;
1390
1391 #ifndef WIN32
1392     gettimeofday(&clock2, NULL);
1393     total_msec = (clock2.tv_sec - clock0.tv_sec) * 1000
1394                + (clock2.tv_usec - clock0.tv_usec) / 1000
1395                - sleepTime;
1396     disp_msec = (clock2.tv_sec - clock1.tv_sec) * 1000
1397               + (clock2.tv_usec - clock1.tv_usec) / 1000
1398               - sleepTime;
1399 #else
1400     clock2 = timeGetTime();
1401     total_msec = clock2 - clock0 - sleepTime;
1402     disp_msec = clock2 - clock1 - sleepTime;
1403 #endif
1404     logger->log("Player", Log::DEBUG, "XXX disp_msec = %4d total_msec = %4d", disp_msec, total_msec);
1405   }
1406 }
1407
1408 void Player::threadPostStopCleanup()
1409 {
1410   if (threadBuffer)
1411   {
1412     free(threadBuffer);
1413     threadBuffer = NULL;
1414   }
1415 }
1416
1417 // ----------------------------------- Dev
1418
1419 #ifdef DEV
1420 void Player::test1()
1421 {
1422   logger->log("Player", Log::DEBUG, "PLAYER TEST 1");
1423 }
1424
1425 void Player::test2()
1426 {
1427   logger->log("Player", Log::DEBUG, "PLAYER TEST 2");
1428 }
1429 #endif