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