2 Copyright 2004-2005 Chris Tallon
4 This file is part of VOMP.
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.
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.
16 You should have received a copy of the GNU General Public License
17 along with VOMP; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 // ----------------------------------- Called from outside, one offs or info funcs
25 Player::Player(MessageQueue* tmessageQueue, void* tmessageReceiver, bool tIsRecording)
26 : vfeed(this), afeed(this)
28 messageQueue = tmessageQueue;
29 messageReceiver = tmessageReceiver;
30 audio = Audio::getInstance();
31 video = Video::getInstance();
32 logger = Log::getInstance();
33 vdr = VDR::getInstance();
37 currentFrameNumber = 0;
43 isRecording = tIsRecording;
48 startupBlockSize = 250000;
49 preBufferSize = 500000;
55 if (initted) shutdown();
60 if (initted) return 0;
62 pthread_mutex_init(&mutex, NULL);
64 mutex=CreateMutex(NULL,FALSE,NULL);
67 demuxer = new DemuxerVDR();
68 if (!demuxer) return 0;
70 if (!demuxer->init(this, audio, video, 2097152, 524288))
72 logger->log("Player", Log::ERR, "Demuxer failed to init");
88 int Player::shutdown()
90 if (!initted) return 0;
104 void Player::setStartFrame(ULONG startFrame)
106 currentFrameNumber = startFrame;
109 void Player::setLengthBytes(ULLONG length)
111 lengthBytes = length;
112 logger->log("Player", Log::DEBUG, "Player has received length bytes of %llu", lengthBytes);
115 void Player::setLengthFrames(ULONG length)
117 lengthFrames = length;
118 logger->log("Player", Log::DEBUG, "Player has received length frames of %lu", lengthFrames);
121 ULONG Player::getLengthFrames()
126 ULONG Player::getCurrentFrameNum()
128 if (startup) return 0;
133 return demuxer->getFrameNumFromPTS(video->getCurrentTimestamp());
137 return currentFrameNumber;
139 return 0; // shouldn't happen
143 bool* Player::getDemuxerAudioChannels()
145 return demuxer->getmpAudioChannels();
148 int Player::getCurrentAudioChannel()
150 return demuxer->getselAudioChannel();
153 void Player::setAudioChannel(int newChannel)
155 demuxer->setmpAudioChannel(newChannel);
158 // ----------------------------------- Externally called events
162 if (!initted) return;
163 if (state == S_PLAY) return;
165 bool doUnlock = false;
166 if (state == S_PAUSE_P) doUnlock = true;
168 if (doUnlock) unLock();
173 if (!initted) return;
174 if (state == S_STOP) return;
176 logger->log("Player", Log::DEBUG, "Stop called lock");
183 if (!initted) return;
186 if ((state == S_FFWD) || (state == S_FBWD))
188 switchState(S_PAUSE_I);
190 else if ((state == S_PAUSE_I) || (state == S_PAUSE_P))
196 switchState(S_PAUSE_P);
202 void Player::fastForward()
204 if (!initted) return;
212 case 4: ifactor = 8; break;
213 case 8: ifactor = 16; break;
214 case 16: ifactor = 32; break;
215 case 32: ifactor = 4; break;
226 void Player::fastBackward()
228 if (!initted) return;
236 case 4: ifactor = 8; break;
237 case 8: ifactor = 16; break;
238 case 16: ifactor = 32; break;
239 case 32: ifactor = 4; break;
250 void Player::jumpToPercent(int percent)
253 logger->log("Player", Log::DEBUG, "JUMP TO %i%%", percent);
254 ULONG newFrame = percent * lengthFrames / 100;
255 switchState(S_JUMP, newFrame);
256 // unLock(); - let thread unlock this
259 void Player::jumpToMark(int mark)
262 logger->log("Player", Log::DEBUG, "JUMP TO MARK %i%%", mark);
263 switchState(S_JUMP, mark);
264 // unLock(); - let thread unlock this
267 void Player::skipForward(int seconds)
270 logger->log("Player", Log::DEBUG, "SKIP FORWARD %i SECONDS", seconds);
271 ULONG newFrame = getCurrentFrameNum();
272 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
273 newFrame += seconds * video->getFPS();
274 if (newFrame > lengthFrames) { switchState(S_PLAY); unLock(); }
275 else switchState(S_JUMP, newFrame);
276 // unLock(); - let thread unlock this
279 void Player::skipBackward(int seconds)
282 logger->log("Player", Log::DEBUG, "SKIP BACKWARD %i SECONDS", seconds);
283 long newFrame = getCurrentFrameNum();
284 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
285 newFrame -= seconds * video->getFPS();
286 if (newFrame < 0) newFrame = 0;
287 switchState(S_JUMP, newFrame);
288 // unLock(); - let thread unlock this
291 // ----------------------------------- Implementations called events
293 void Player::switchState(UCHAR toState, ULONG jumpFrame)
295 if (!initted) return;
297 logger->log("Player", Log::DEBUG, "Switch state from %u to %u", state, toState);
299 switch(state) // current state selector
301 case S_PLAY: // from S_PLAY -----------------------------------
305 case S_PLAY: // to S_PLAY
309 case S_PAUSE_P: // to S_PAUSE_P
316 case S_PAUSE_I: // to S_PAUSE_I
321 case S_FFWD: // to S_FFWD
323 currentFrameNumber = getCurrentFrameNum();
324 audio->systemMuteOn();
333 case S_FBWD: // to S_FBWD
335 currentFrameNumber = getCurrentFrameNum();
336 audio->systemMuteOn();
345 case S_STOP: // to S_STOP
359 case S_JUMP: // to S_JUMP
361 restartAtFrame(jumpFrame);
366 case S_PAUSE_P: // from S_PAUSE_P -----------------------------------
370 case S_PLAY: // to S_PLAY
377 case S_PAUSE_P: // to S_PAUSE_P
381 case S_PAUSE_I: // to S_PAUSE_I
385 case S_FFWD: // to S_FFWD
387 currentFrameNumber = getCurrentFrameNum();
388 audio->systemMuteOn();
398 case S_FBWD: // to S_FBWD
400 currentFrameNumber = getCurrentFrameNum();
401 audio->systemMuteOn();
411 case S_STOP: // to S_STOP
422 audio->systemMuteOff();
426 case S_JUMP: // to S_JUMP
430 restartAtFrame(jumpFrame);
435 case S_PAUSE_I: // from S_PAUSE_I -----------------------------------
439 case S_PLAY: // to S_PLAY
442 restartAtFrame(currentFrameNumber);
445 case S_PAUSE_P: // to S_PAUSE_P
449 case S_PAUSE_I: // to S_PAUSE_I
453 case S_FFWD: // to S_FFWD
459 case S_FBWD: // to S_FBWD
465 case S_STOP: // to S_STOP
472 audio->systemMuteOff();
476 case S_JUMP: // to S_JUMP
479 restartAtFrame(jumpFrame);
484 case S_FFWD: // from S_FFWD -----------------------------------
488 case S_PLAY: // to S_PLAY
491 restartAtFrame(currentFrameNumber);
494 case S_PAUSE_P: // to S_PAUSE_P
499 case S_PAUSE_I: // to S_PAUSE_I
505 case S_FFWD: // to S_FFWD
509 case S_FBWD: // to S_FBWD
516 case S_STOP: // to S_STOP
527 case S_JUMP: // to S_JUMP
530 restartAtFrame(jumpFrame);
535 case S_FBWD: // from S_FBWD -----------------------------------
539 case S_PLAY: // to S_PLAY
542 restartAtFrame(currentFrameNumber);
545 case S_PAUSE_P: // to S_PAUSE_P
550 case S_PAUSE_I: // to S_PAUSE_I
556 case S_FFWD: // to S_FFWD
563 case S_FBWD: // to S_FBWD
567 case S_STOP: // to S_STOP
578 case S_JUMP: // to S_JUMP
581 restartAtFrame(jumpFrame);
586 case S_STOP: // from S_STOP -----------------------------------
590 case S_PLAY: // to S_PLAY
595 audio->systemMuteOff();
600 // FIXME use restartAtFrame here?
601 if (currentFrameNumber > lengthFrames) currentFrameNumber = 0;
602 demuxer->setFrameNum(currentFrameNumber);
612 logger->log("Player", Log::DEBUG, "Immediate play");
620 else // do prebuffering
622 logger->log("Player", Log::DEBUG, "Prebuffering...");
627 case S_PAUSE_P: // to S_PAUSE_P
631 case S_PAUSE_I: // to S_PAUSE_I
635 case S_FFWD: // to S_FFWD
639 case S_FBWD: // to S_FBWD
643 case S_STOP: // to S_STOP
647 case S_JUMP: // to S_JUMP
653 // case S_JUMP cannot be selected as a start state because it auto flips to play
657 // ----------------------------------- Internal functions
662 pthread_mutex_lock(&mutex);
663 logger->log("Player", Log::DEBUG, "LOCKED");
666 WaitForSingleObject(mutex, INFINITE);
670 void Player::unLock()
673 logger->log("Player", Log::DEBUG, "UNLOCKING");
674 pthread_mutex_unlock(&mutex);
680 void Player::restartAtFrame(ULONG newFrame)
690 currentFrameNumber = newFrame;
691 demuxer->setFrameNum(newFrame);
699 audio->systemMuteOff();
703 void Player::doConnectionLost()
705 logger->log("Player", Log::DEBUG, "Connection lost, sending message");
706 Message* m = new Message();
707 m->to = messageReceiver;
709 m->message = Message::PLAYER_EVENT;
710 m->parameter = Player::CONNECTION_LOST;
711 messageQueue->postMessage(m);
714 // ----------------------------------- Callback
716 void Player::call(void* caller)
718 if (caller == demuxer)
720 logger->log("Player", Log::DEBUG, "Callback from demuxer");
722 if (video->getTVsize() == Video::ASPECT4X3)
724 logger->log("Player", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
728 int dxCurrentAspect = demuxer->getAspectRatio();
729 if (dxCurrentAspect == Demuxer::ASPECT_4_3)
731 logger->log("Player", Log::DEBUG, "Demuxer said video is 4:3 aspect, switching TV");
732 video->setAspectRatio(Video::ASPECT4X3);
734 Message* m = new Message();
736 m->to = messageReceiver;
737 m->message = Message::PLAYER_EVENT;
738 m->parameter = Player::ASPECT43;
739 messageQueue->postMessageFromOuterSpace(m);
741 else if (dxCurrentAspect == Demuxer::ASPECT_16_9)
743 logger->log("Player", Log::DEBUG, "Demuxer said video is 16:9 aspect, switching TV");
744 video->setAspectRatio(Video::ASPECT16X9);
746 Message* m = new Message();
748 m->to = messageReceiver;
749 m->message = Message::PLAYER_EVENT;
750 m->parameter = Player::ASPECT169;
751 messageQueue->postMessageFromOuterSpace(m);
755 logger->log("Player", Log::DEBUG, "Demuxer said video is something else... ignoring");
763 videoStartup = false;
771 threadSignalNoLock();
775 // ----------------------------------- Feed thread
777 void Player::threadMethod()
779 // this method used to be simple, the only thing it does
780 // is farm out to threadFeed Live/Play/Scan
781 // All the guff is to support scan hitting one end
785 if ((state == S_FFWD) || (state == S_FBWD))
788 // if this returns then scan hit one end
789 if (state == S_FFWD) // scan hit the end. stop
792 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
793 m->to = messageReceiver;
795 m->message = Message::PLAYER_EVENT;
796 m->parameter = STOP_PLAYBACK;
797 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
798 messageQueue->postMessage(m);
799 logger->log("Player", Log::DEBUG, "Message posted...");
802 // if execution gets to here, threadFeedScan hit the start, go to play mode
807 demuxer->setFrameNum(currentFrameNumber);
813 audio->systemMuteOff();
817 if (state == S_PLAY) threadFeedPlay();
825 void Player::threadFeedLive()
830 UINT preBufferTotal = 0;
842 askFor = startupBlockSize; // find audio streams sized block
844 askFor = blockSize; // normal
846 threadBuffer = vdr->getBlock(0, askFor, &thisRead);
848 if (!vdr->isConnected())
854 if (!threadBuffer) break;
858 int a_stream = demuxer->scan(threadBuffer, thisRead);
859 demuxer->setAudioStream(a_stream);
860 logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
866 preBufferTotal += thisRead;
867 if (preBufferTotal >= preBufferSize)
869 logger->log("Player", Log::DEBUG, "Got >500K, prebuffering complete");
871 preBuffering = false;
875 // FIXME check the win32 code on the mvp
892 // unLock(); // thread will be locked by play until here
893 // FIXME - see if this can segfault because it is starting threads out of the master mutex
899 while(writeLength < thisRead)
901 thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
902 writeLength += thisWrite;
906 // demuxer is full and can't take anymore
908 threadWaitForSignal();
920 logger->log("Player", Log::DEBUG, "Live play failed to start or interrupted");
922 if (videoStartup) // oh woe. there never was a stream, I was conned!
924 videoStartup = false;
926 MILLISLEEP(500); // I think this will solve a race
931 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
932 m->to = messageReceiver;
934 m->message = Message::PLAYER_EVENT;
935 m->parameter = Player::STREAM_END;
936 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
937 messageQueue->postMessage(m);
938 logger->log("Player", Log::DEBUG, "Message posted...");
941 void Player::threadFeedPlay()
944 UINT thisRead, writeLength, thisWrite, askFor;
945 time_t lastRescan = time(NULL);
947 feedPosition = vdr->positionFromFrameNumber(currentFrameNumber);
948 if (!vdr->isConnected()) { doConnectionLost(); return; }
949 logger->log("Player", Log::DEBUG, "startFeedPlay: wantedframe %i goto %llu", currentFrameNumber, feedPosition);
960 // If we havn't rescanned for a while..
961 if ((lastRescan + 60) < time(NULL))
963 lengthBytes = vdr->rescanRecording(&lengthFrames);
964 if (!vdr->isConnected()) { doConnectionLost(); return; }
965 logger->log("Player", Log::DEBUG, "Rescanned and reset length: %llu", lengthBytes);
966 lastRescan = time(NULL);
969 if (feedPosition >= lengthBytes) break; // finished playback
973 if (startupBlockSize > lengthBytes)
974 askFor = lengthBytes; // is a very small recording!
976 askFor = startupBlockSize; // normal, but a startup sized block to detect all the audio streams
980 if ((feedPosition + blockSize) > lengthBytes) // last block of recording
981 askFor = lengthBytes - feedPosition;
986 threadBuffer = vdr->getBlock(feedPosition, askFor, &thisRead);
987 feedPosition += thisRead;
989 if (!vdr->isConnected())
995 if (!threadBuffer) break;
999 int a_stream = demuxer->scan(threadBuffer, thisRead);
1000 demuxer->setAudioStream(a_stream);
1001 logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
1007 while(writeLength < thisRead)
1009 thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
1010 writeLength += thisWrite;
1014 // demuxer is full and can't take anymore
1016 threadWaitForSignal();
1024 threadBuffer = NULL;
1029 logger->log("Player", Log::DEBUG, "Recording playback ends");
1031 if (videoStartup) // oh woe. there never was a stream, I was conned!
1033 videoStartup = false;
1035 MILLISLEEP(500); // I think this will solve a race
1041 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1042 m->to = messageReceiver;
1044 m->message = Message::PLAYER_EVENT;
1045 m->parameter = Player::STOP_PLAYBACK;
1046 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1047 messageQueue->postMessage(m);
1050 void Player::threadFeedScan()
1052 // This method is actually really simple - get frame from vdr,
1053 // spit it at the video chip, wait for a time. Most of the code here
1054 // is to get the wait right so that the scan occurs at the correct rate.
1056 ULONG direction = 0;
1057 ULONG baseFrameNumber = 0;
1058 ULONG iframeNumber = 0;
1059 ULONG iframeLength = 0;
1061 UINT amountReceived;
1065 struct timeval clock0 = {0,0}; // Time stamp after fetching I-frame info
1066 struct timeval clock1 = {0,0}; // Time stamp after fetching I-frame data
1067 struct timeval clock2 = {0,0} ; // Time stamp after displaying I-frame
1069 DWORD clock0 = 0, clock1 = 0, clock2 = 0;
1072 int frameTimeOffset = 0; // Time in msec between frames
1073 int disp_msec = 0; // Time taken to display data
1074 int total_msec = 0; // Time taken to fetch data and display it
1077 if (state == S_FFWD) direction = 1; // and 0 for backward
1081 // Fetch I-frames until we get one that can be displayed in good time
1082 // Repeat while clock0 + total_msec > clock2 + frameTimeOffset
1083 baseFrameNumber = currentFrameNumber;
1086 if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1089 if (iframeNumber >= lengthFrames) return;
1090 // scan has got to the end of what we knew to be there before we started scanning
1092 baseFrameNumber = iframeNumber;
1093 frameTimeOffset = abs(iframeNumber - currentFrameNumber) * 1000 / (video->getFPS() * ifactor);
1095 gettimeofday(&clock0, NULL);
1097 clock0 = timeGetTime();
1101 while (clock2.tv_sec != 0 &&
1102 (clock0.tv_sec - clock2.tv_sec) * 1000 +
1103 (clock0.tv_usec - clock2.tv_usec) / 1000 > frameTimeOffset - total_msec);
1105 while (clock2 != 0 && clock0 + total_msec > clock2 + frameTimeOffset);
1107 // logger->log("Player", Log::DEBUG, "XXX Got frame");
1109 threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1111 gettimeofday(&clock1, NULL);
1112 if (clock2.tv_sec != 0)
1113 sleepTime = (clock2.tv_sec - clock1.tv_sec) * 1000
1114 + (clock2.tv_usec - clock1.tv_usec) / 1000
1115 + frameTimeOffset - disp_msec;
1117 clock1 = timeGetTime();
1119 sleepTime = clock2 + frameTimeOffset - disp_msec - clock1;
1121 if (sleepTime < 0) sleepTime = 0;
1123 MILLISLEEP(sleepTime);
1124 // logger->log("Player", Log::DEBUG, "XXX Slept for %d", sleepTime);
1126 videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1127 video->displayIFrame(threadBuffer, videoLength);
1128 currentFrameNumber = iframeNumber;
1130 threadBuffer = NULL;
1133 gettimeofday(&clock2, NULL);
1134 total_msec = (clock2.tv_sec - clock0.tv_sec) * 1000
1135 + (clock2.tv_usec - clock0.tv_usec) / 1000
1137 disp_msec = (clock2.tv_sec - clock1.tv_sec) * 1000
1138 + (clock2.tv_usec - clock1.tv_usec) / 1000
1141 clock2 = timeGetTime();
1142 total_msec = clock2 - clock0 - sleepTime;
1143 disp_msec = clock2 - clock1 - sleepTime;
1145 // logger->log("Player", Log::DEBUG, "XXX disp_msec = %4d total_msec = %4d", disp_msec, total_msec);
1149 void Player::threadPostStopCleanup()
1154 threadBuffer = NULL;
1158 // ----------------------------------- Dev
1161 void Player::test1()
1163 logger->log("Player", Log::DEBUG, "PLAYER TEST 1");
1165 // video->setAspectRatio(Video::ASPECT4X3);
1168 void Player::test2()
1170 logger->log("Player", Log::DEBUG, "PLAYER TEST 2");
1171 video->setAspectRatio(Video::ASPECT16X9);