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, bool tIsRadio)
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;
51 startupBlockSize = 20000;
52 preBufferSize = 20000;
53 video->turnVideoOff();
58 startupBlockSize = 250000;
59 preBufferSize = 500000;
66 if (initted) shutdown();
71 if (initted) return 0;
73 pthread_mutex_init(&mutex, NULL);
75 mutex=CreateMutex(NULL,FALSE,NULL);
78 demuxer = new DemuxerVDR();
79 if (!demuxer) return 0;
81 if (!demuxer->init(this, audio, video))
83 logger->log("Player", Log::ERR, "Demuxer failed to init");
99 int Player::shutdown()
101 if (!initted) return 0;
115 void Player::setStartFrame(ULONG startFrame)
117 currentFrameNumber = startFrame;
120 void Player::setLengthBytes(ULLONG length)
122 lengthBytes = length;
123 logger->log("Player", Log::DEBUG, "Player has received length bytes of %llu", lengthBytes);
126 void Player::setLengthFrames(ULONG length)
128 lengthFrames = length;
129 logger->log("Player", Log::DEBUG, "Player has received length frames of %lu", lengthFrames);
132 ULONG Player::getLengthFrames()
137 ULONG Player::getCurrentFrameNum()
139 if (startup) return 0;
144 return demuxer->getFrameNumFromPTS(video->getCurrentTimestamp());
148 return currentFrameNumber;
150 return 0; // shouldn't happen
154 // ----------------------------------- Externally called events
158 if (!initted) return;
159 if (state == S_PLAY) return;
161 bool doUnlock = false;
162 if (state == S_PAUSE_P) doUnlock = true;
164 if (doUnlock) unLock();
169 if (!initted) return;
170 if (state == S_STOP) return;
172 logger->log("Player", Log::DEBUG, "Stop called lock");
179 if (!initted) return;
182 if ((state == S_FFWD) || (state == S_FBWD))
184 switchState(S_PAUSE_I);
186 else if ((state == S_PAUSE_I) || (state == S_PAUSE_P))
192 switchState(S_PAUSE_P);
198 void Player::fastForward()
200 if (!initted) return;
208 case 4: ifactor = 8; break;
209 case 8: ifactor = 16; break;
210 case 16: ifactor = 32; break;
211 case 32: ifactor = 4; break;
222 void Player::fastBackward()
224 if (!initted) return;
232 case 4: ifactor = 8; break;
233 case 8: ifactor = 16; break;
234 case 16: ifactor = 32; break;
235 case 32: ifactor = 4; break;
246 void Player::jumpToPercent(int percent)
249 logger->log("Player", Log::DEBUG, "JUMP TO %i%%", percent);
250 ULONG newFrame = percent * lengthFrames / 100;
251 switchState(S_JUMP, newFrame);
252 // unLock(); - let thread unlock this
255 void Player::skipForward(int seconds)
258 logger->log("Player", Log::DEBUG, "SKIP FORWARD %i SECONDS", seconds);
259 ULONG newFrame = getCurrentFrameNum();
260 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
261 newFrame += seconds * video->getFPS();
262 if (newFrame > lengthFrames) { switchState(S_PLAY); unLock(); }
263 else switchState(S_JUMP, newFrame);
264 // unLock(); - let thread unlock this
267 void Player::skipBackward(int seconds)
270 logger->log("Player", Log::DEBUG, "SKIP BACKWARD %i SECONDS", seconds);
271 long newFrame = getCurrentFrameNum();
272 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
273 newFrame -= seconds * video->getFPS();
274 if (newFrame < 0) newFrame = 0;
275 switchState(S_JUMP, newFrame);
276 // unLock(); - let thread unlock this
279 // ----------------------------------- Implementations called events
281 void Player::switchState(UCHAR toState, ULONG jumpFrame)
283 if (!initted) return;
285 logger->log("Player", Log::DEBUG, "Switch state from %u to %u", state, toState);
287 switch(state) // current state selector
289 case S_PLAY: // from S_PLAY -----------------------------------
293 case S_PLAY: // to S_PLAY
297 case S_PAUSE_P: // to S_PAUSE_P
304 case S_PAUSE_I: // to S_PAUSE_I
309 case S_FFWD: // to S_FFWD
311 currentFrameNumber = getCurrentFrameNum();
312 audio->systemMuteOn();
321 case S_FBWD: // to S_FBWD
323 currentFrameNumber = getCurrentFrameNum();
324 audio->systemMuteOn();
333 case S_STOP: // to S_STOP
347 case S_JUMP: // to S_JUMP
349 restartAtFrame(jumpFrame);
354 case S_PAUSE_P: // from S_PAUSE_P -----------------------------------
358 case S_PLAY: // to S_PLAY
365 case S_PAUSE_P: // to S_PAUSE_P
369 case S_PAUSE_I: // to S_PAUSE_I
373 case S_FFWD: // to S_FFWD
375 currentFrameNumber = getCurrentFrameNum();
376 audio->systemMuteOn();
386 case S_FBWD: // to S_FBWD
388 currentFrameNumber = getCurrentFrameNum();
389 audio->systemMuteOn();
399 case S_STOP: // to S_STOP
410 audio->systemMuteOff();
414 case S_JUMP: // to S_JUMP
418 restartAtFrame(jumpFrame);
423 case S_PAUSE_I: // from S_PAUSE_I -----------------------------------
427 case S_PLAY: // to S_PLAY
430 restartAtFrame(currentFrameNumber);
433 case S_PAUSE_P: // to S_PAUSE_P
437 case S_PAUSE_I: // to S_PAUSE_I
441 case S_FFWD: // to S_FFWD
447 case S_FBWD: // to S_FBWD
453 case S_STOP: // to S_STOP
460 audio->systemMuteOff();
464 case S_JUMP: // to S_JUMP
467 restartAtFrame(jumpFrame);
472 case S_FFWD: // from S_FFWD -----------------------------------
476 case S_PLAY: // to S_PLAY
479 restartAtFrame(currentFrameNumber);
482 case S_PAUSE_P: // to S_PAUSE_P
487 case S_PAUSE_I: // to S_PAUSE_I
493 case S_FFWD: // to S_FFWD
497 case S_FBWD: // to S_FBWD
504 case S_STOP: // to S_STOP
515 case S_JUMP: // to S_JUMP
518 restartAtFrame(jumpFrame);
523 case S_FBWD: // from S_FBWD -----------------------------------
527 case S_PLAY: // to S_PLAY
530 restartAtFrame(currentFrameNumber);
533 case S_PAUSE_P: // to S_PAUSE_P
538 case S_PAUSE_I: // to S_PAUSE_I
544 case S_FFWD: // to S_FFWD
551 case S_FBWD: // to S_FBWD
555 case S_STOP: // to S_STOP
566 case S_JUMP: // to S_JUMP
569 restartAtFrame(jumpFrame);
574 case S_STOP: // from S_STOP -----------------------------------
578 case S_PLAY: // to S_PLAY
583 audio->systemMuteOff();
588 // FIXME use restartAtFrame here?
589 if (currentFrameNumber > lengthFrames) currentFrameNumber = 0;
590 demuxer->setFrameNum(currentFrameNumber);
592 if (!isRadio) demuxer->seek();
600 logger->log("Player", Log::DEBUG, "Immediate play");
608 else // do prebuffering
610 logger->log("Player", Log::DEBUG, "Prebuffering...");
615 case S_PAUSE_P: // to S_PAUSE_P
619 case S_PAUSE_I: // to S_PAUSE_I
623 case S_FFWD: // to S_FFWD
627 case S_FBWD: // to S_FBWD
631 case S_STOP: // to S_STOP
635 case S_JUMP: // to S_JUMP
641 // case S_JUMP cannot be selected as a start state because it auto flips to play
645 // ----------------------------------- Internal functions
650 pthread_mutex_lock(&mutex);
651 logger->log("Player", Log::DEBUG, "LOCKED");
654 WaitForSingleObject(mutex, INFINITE);
658 void Player::unLock()
661 logger->log("Player", Log::DEBUG, "UNLOCKING");
662 pthread_mutex_unlock(&mutex);
668 void Player::restartAtFrame(ULONG newFrame)
677 if (!isRadio) demuxer->seek();
678 currentFrameNumber = newFrame;
679 demuxer->setFrameNum(newFrame);
687 audio->systemMuteOff();
691 void Player::doConnectionLost()
693 logger->log("Player", Log::DEBUG, "Connection lost, sending message");
694 Message* m = new Message();
695 m->to = messageReceiver;
697 m->message = Message::PLAYER_EVENT;
698 m->parameter = Player::CONNECTION_LOST;
699 messageQueue->postMessage(m);
702 // ----------------------------------- Callback
704 void Player::call(void* caller)
706 if (caller == demuxer)
708 logger->log("Player", Log::DEBUG, "Callback from demuxer");
710 if (video->getTVsize() == Video::ASPECT4X3)
712 logger->log("Player", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
716 int dxCurrentAspect = demuxer->getAspectRatio();
717 if (dxCurrentAspect == Demuxer::ASPECT_4_3)
719 logger->log("Player", Log::DEBUG, "Demuxer said video is 4:3 aspect, switching TV");
720 video->setAspectRatio(Video::ASPECT4X3);
722 Message* m = new Message();
724 m->to = messageReceiver;
725 m->message = Message::PLAYER_EVENT;
726 m->parameter = Player::ASPECT43;
727 messageQueue->postMessageFromOuterSpace(m);
729 else if (dxCurrentAspect == Demuxer::ASPECT_16_9)
731 logger->log("Player", Log::DEBUG, "Demuxer said video is 16:9 aspect, switching TV");
732 video->setAspectRatio(Video::ASPECT16X9);
734 Message* m = new Message();
736 m->to = messageReceiver;
737 m->message = Message::PLAYER_EVENT;
738 m->parameter = Player::ASPECT169;
739 messageQueue->postMessageFromOuterSpace(m);
743 logger->log("Player", Log::DEBUG, "Demuxer said video is something else... ignoring");
751 videoStartup = false;
759 threadSignalNoLock();
763 // ----------------------------------- Feed thread
765 void Player::threadMethod()
767 // this method used to be simple, the only thing it does
768 // is farm out to threadFeed Live/Play/Scan
769 // All the guff is to support scan hitting one end
773 if ((state == S_FFWD) || (state == S_FBWD))
776 // if this returns then scan hit one end
777 if (state == S_FFWD) // scan hit the end. stop
780 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
781 m->to = messageReceiver;
783 m->message = Message::PLAYER_EVENT;
784 m->parameter = STOP_PLAYBACK;
785 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
786 messageQueue->postMessage(m);
787 logger->log("Player", Log::DEBUG, "Message posted...");
790 // if execution gets to here, threadFeedScan hit the start, go to play mode
794 if (!isRadio) demuxer->seek();
795 demuxer->setFrameNum(currentFrameNumber);
801 audio->systemMuteOff();
805 if (state == S_PLAY) threadFeedPlay();
813 void Player::threadFeedLive()
818 UINT preBufferTotal = 0;
830 askFor = startupBlockSize; // find audio streams sized block
832 askFor = blockSize; // normal
834 threadBuffer = vdr->getBlock(0, askFor, &thisRead);
836 if (!vdr->isConnected())
842 if (!threadBuffer) break;
846 int a_stream = demuxer->scan(threadBuffer, thisRead);
847 demuxer->setAudioStream(a_stream);
848 logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
854 preBufferTotal += thisRead;
855 if (preBufferTotal >= preBufferSize)
857 logger->log("Player", Log::DEBUG, "Got >500K, prebuffering complete");
859 preBuffering = false;
868 // unLock(); // thread will be locked by play until here
869 // FIXME - see if this can segfault because it is starting threads out of the master mutex
875 while(writeLength < thisRead)
877 thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
878 writeLength += thisWrite;
882 // demuxer is full and can't take anymore
884 threadWaitForSignal();
896 logger->log("Player", Log::DEBUG, "Live play failed to start or interrupted");
898 if (videoStartup) // oh woe. there never was a stream, I was conned!
900 videoStartup = false;
902 MILLISLEEP(500); // I think this will solve a race
907 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
908 m->to = messageReceiver;
910 m->message = Message::PLAYER_EVENT;
911 m->parameter = Player::STREAM_END;
912 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
913 messageQueue->postMessage(m);
914 logger->log("Player", Log::DEBUG, "Message posted...");
917 void Player::threadFeedPlay()
920 UINT thisRead, writeLength, thisWrite, askFor;
921 time_t lastRescan = time(NULL);
923 feedPosition = vdr->positionFromFrameNumber(currentFrameNumber);
924 if (!vdr->isConnected()) { doConnectionLost(); return; }
925 logger->log("Player", Log::DEBUG, "startFeedPlay: wantedframe %i goto %llu", currentFrameNumber, feedPosition);
936 // If we havn't rescanned for a while..
937 if ((lastRescan + 60) < time(NULL))
939 lengthBytes = vdr->rescanRecording(&lengthFrames);
940 if (!vdr->isConnected()) { doConnectionLost(); return; }
941 logger->log("Player", Log::DEBUG, "Rescanned and reset length: %llu", lengthBytes);
942 lastRescan = time(NULL);
945 if (feedPosition >= lengthBytes) break; // finished playback
949 if (startupBlockSize > lengthBytes)
950 askFor = lengthBytes; // is a very small recording!
952 askFor = startupBlockSize; // normal, but a startup sized block to detect all the audio streams
956 if ((feedPosition + blockSize) > lengthBytes) // last block of recording
957 askFor = lengthBytes - feedPosition;
962 threadBuffer = vdr->getBlock(feedPosition, askFor, &thisRead);
963 feedPosition += thisRead;
965 if (!vdr->isConnected())
971 if (!threadBuffer) break;
975 int a_stream = demuxer->scan(threadBuffer, thisRead);
976 demuxer->setAudioStream(a_stream);
977 logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
983 while(writeLength < thisRead)
985 thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
986 writeLength += thisWrite;
990 // demuxer is full and can't take anymore
992 threadWaitForSignal();
1000 threadBuffer = NULL;
1005 logger->log("Player", Log::DEBUG, "Recording playback ends");
1007 if (videoStartup) // oh woe. there never was a stream, I was conned!
1009 videoStartup = false;
1011 MILLISLEEP(500); // I think this will solve a race
1017 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1018 m->to = messageReceiver;
1020 m->message = Message::PLAYER_EVENT;
1021 m->parameter = Player::STOP_PLAYBACK;
1022 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1023 messageQueue->postMessage(m);
1026 void Player::threadFeedScan()
1028 // This method is actually really simple - get frame from vdr,
1029 // spit it at the video chip, wait for a time. Most of the code here
1030 // is to get the wait right so that the scan occurs at the correct rate.
1032 ULONG direction = 0;
1033 ULONG baseFrameNumber = 0;
1034 ULONG iframeNumber = 0;
1035 ULONG iframeLength = 0;
1037 UINT amountReceived;
1041 struct timeval clock0 = {0,0}; // Time stamp after fetching I-frame info
1042 struct timeval clock1 = {0,0}; // Time stamp after fetching I-frame data
1043 struct timeval clock2 = {0,0} ; // Time stamp after displaying I-frame
1045 DWORD clock0 = 0, clock1 = 0, clock2 = 0;
1048 int frameTimeOffset = 0; // Time in msec between frames
1049 int disp_msec = 0; // Time taken to display data
1050 int total_msec = 0; // Time taken to fetch data and display it
1053 if (state == S_FFWD) direction = 1; // and 0 for backward
1057 // Fetch I-frames until we get one that can be displayed in good time
1058 // Repeat while clock0 + total_msec > clock2 + frameTimeOffset
1059 baseFrameNumber = currentFrameNumber;
1062 if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1065 baseFrameNumber = iframeNumber;
1066 frameTimeOffset = abs(iframeNumber - currentFrameNumber) * 1000 / (video->getFPS() * ifactor);
1068 gettimeofday(&clock0, NULL);
1070 clock0 = timeGetTime();
1074 while (clock2.tv_sec != 0 &&
1075 (clock0.tv_sec - clock2.tv_sec) * 1000 +
1076 (clock0.tv_usec - clock2.tv_usec) / 1000 > frameTimeOffset - total_msec);
1078 while (clock2 != 0 && clock0 + total_msec > clock2 + frameTimeOffset);
1080 // logger->log("Player", Log::DEBUG, "XXX Got frame");
1082 threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1084 gettimeofday(&clock1, NULL);
1085 if (clock2.tv_sec != 0)
1086 sleepTime = (clock2.tv_sec - clock1.tv_sec) * 1000
1087 + (clock2.tv_usec - clock1.tv_usec) / 1000
1088 + frameTimeOffset - disp_msec;
1090 clock1 = timeGetTime();
1092 sleepTime = clock2 + frameTimeOffset - disp_msec - clock1;
1094 if (sleepTime < 0) sleepTime = 0;
1096 MILLISLEEP(sleepTime);
1097 // logger->log("Player", Log::DEBUG, "XXX Slept for %d", sleepTime);
1099 videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1100 video->displayIFrame(threadBuffer, videoLength);
1101 currentFrameNumber = iframeNumber;
1103 threadBuffer = NULL;
1106 gettimeofday(&clock2, NULL);
1107 total_msec = (clock2.tv_sec - clock0.tv_sec) * 1000
1108 + (clock2.tv_usec - clock0.tv_usec) / 1000
1110 disp_msec = (clock2.tv_sec - clock1.tv_sec) * 1000
1111 + (clock2.tv_usec - clock1.tv_usec) / 1000
1114 clock2 = timeGetTime();
1115 total_msec = clock2 - clock0 - sleepTime;
1116 disp_msec = clock2 - clock1 - sleepTime;
1118 // logger->log("Player", Log::DEBUG, "XXX disp_msec = %4d total_msec = %4d", disp_msec, total_msec);
1122 void Player::threadPostStopCleanup()
1127 threadBuffer = NULL;
1131 // ----------------------------------- Dev
1134 void Player::test1()
1136 logger->log("Player", Log::DEBUG, "PLAYER TEST 1");
1138 // video->setAspectRatio(Video::ASPECT4X3);
1141 void Player::test2()
1143 logger->log("Player", Log::DEBUG, "PLAYER TEST 2");
1144 video->setAspectRatio(Video::ASPECT16X9);