2 Copyright 2004-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include "demuxervdr.h"
27 #include "demuxerts.h"
29 #include "messagequeue.h"
32 #include "dvbsubtitles.h"
33 #include "osdreceiver.h"
35 #define USER_RESPONSE_TIME 500 // Milliseconds
37 // ----------------------------------- Called from outside, one offs or info funcs
39 Player::Player(MessageQueue* tmessageQueue, void* tmessageReceiver, OSDReceiver* tosdReceiver)
40 : vfeed(this), afeed(this), tfeed(this)
42 messageQueue = tmessageQueue;
43 messageReceiver = tmessageReceiver;
44 osdReceiver = tosdReceiver;
45 audio = Audio::getInstance();
46 video = Video::getInstance();
47 logger = Log::getInstance();
48 vdr = VDR::getInstance();
52 currentFrameNumber = 0;
57 subtitlesShowing = false;
63 startupBlockSize = 250000;
69 if (initted) shutdown();
72 int Player::init(bool p_isPesRecording,double framespersecond)
74 if (initted) return 0;
76 pthread_mutex_init(&mutex, NULL);
78 mutex=CreateMutex(NULL,FALSE,NULL);
80 is_pesrecording = p_isPesRecording;
83 demuxer = new DemuxerVDR();
85 demuxer = new DemuxerTS();
86 if (!demuxer) return 0;
87 subtitles = new DVBSubtitles(osdReceiver);
88 if (!subtitles) return 0;
90 teletext = new TeletextDecoderVBIEBU();
91 if (!teletext) return 0;
92 teletext->setRecordigMode(true);
93 unsigned int demux_video_size=2097152;
94 unsigned int demux_audio_size=524288;
95 if (video->supportsh264()) {
96 demux_video_size*=5*2;//5;
99 if (audio->maysupportAc3()) {
100 //demux_audio_size*=2;
103 if (!demuxer->init(this, audio, video,teletext, demux_video_size,demux_audio_size,65536, framespersecond, subtitles))
105 logger->log("Player", Log::ERR, "Demuxer failed to init");
118 if (Command::getInstance()->getSubDefault()) {
119 turnSubtitlesOn(true);
121 turnSubtitlesOn(false);
128 int Player::shutdown()
130 if (!initted) return 0;
148 void Player::setStartFrame(ULONG startFrame)
150 ULONG nextiframeNumber;
155 // newFrame could be anywhere, go forwards to next I-Frame
156 if (!vdr->getNextIFrame(startFrame, 1, &filePos, &nextiframeNumber, &iframeLength)) return;
158 // Now step back a GOP. This ensures we go to the greatest I-Frame equal to or less than the requested frame
159 vdr->getNextIFrame(nextiframeNumber, 0, &filePos, &iframeNumber, &iframeLength);
161 logger->log("Player", Log::DEBUG, "setStartFrame %lu %lu %lu", startFrame, nextiframeNumber,iframeNumber);
162 currentFrameNumber = iframeNumber;
166 void Player::setLengthBytes(ULLONG length)
168 lengthBytes = length;
169 logger->log("Player", Log::DEBUG, "Player has received length bytes of %llu", lengthBytes);
172 void Player::setLengthFrames(ULONG length)
174 lengthFrames = length;
175 logger->log("Player", Log::DEBUG, "Player has received length frames of %lu", lengthFrames);
178 ULONG Player::getLengthFrames()
183 ULONG Player::getCurrentFrameNum()
185 if (startup) return 0;
190 return demuxer->getFrameNumFromPTS(video->getCurrentTimestamp());
194 return currentFrameNumber;
196 return 0; // shouldn't happen
200 bool* Player::getDemuxerMpegAudioChannels()
202 return demuxer->getmpAudioChannels();
205 bool* Player::getDemuxerAc3AudioChannels()
207 return demuxer->getac3AudioChannels();
210 bool* Player::getDemuxerSubtitleChannels()
212 return demuxer->getSubtitleChannels();
215 int Player::getCurrentAudioChannel()
217 if (is_pesrecording) {
218 return demuxer->getselAudioChannel();
220 return ((DemuxerTS*)demuxer)->getAID();
224 int Player::getCurrentSubtitleChannel()
226 if (is_pesrecording) {
227 return demuxer->getselSubtitleChannel();
229 return ((DemuxerTS*)demuxer)->getSubID();
233 void Player::setSubtitleChannel(int newChannel)
235 if (is_pesrecording) {
236 demuxer->setDVBSubtitleStream(newChannel);
238 ((DemuxerTS*)demuxer)->setSubID(newChannel);
242 int *Player::getTeletxtSubtitlePages()
244 return teletext->getSubtitlePages();
247 void Player::setAudioChannel(int newChannel, int type, int streamtype)
249 if (is_pesrecording) {
250 demuxer->setAudioStream(newChannel);
253 ((DemuxerTS*)demuxer)->setAID(newChannel,type,streamtype,false);
258 bool Player::toggleSubtitles()
260 if (!subtitlesShowing)
262 subtitlesShowing = true;
267 subtitlesShowing = false;
270 return subtitlesShowing;
273 void Player::turnSubtitlesOn(bool ison) {
276 subtitlesShowing = true;
281 subtitlesShowing = false;
287 void Player::tellSubtitlesOSDVisible(bool visible){
288 subtitles->setOSDMenuVisibility(visible);
291 Channel * Player::getDemuxerChannel() {
292 if (!is_pesrecording) {
293 return ((DemuxerTS*) demuxer)->getChannelInfo();
295 return NULL; //Should not happen!
299 // ----------------------------------- Externally called events
303 if (!initted) return;
304 if (state == S_PLAY) return;
307 bool doUnlock = false;
308 if (state == S_PAUSE_P) doUnlock = true;
310 if (doUnlock) unLock();
313 void Player::playpause()
315 if (!initted) return;
318 bool doUnlock = false;
321 switchState(S_PAUSE_P);
323 if (state == S_PAUSE_P) doUnlock = true;
326 if (doUnlock) unLock();
335 if (!initted) return;
336 if (state == S_STOP) return;
338 logger->log("Player", Log::DEBUG, "Stop called lock");
345 if (!initted) return;
348 if ((state == S_FFWD) || (state == S_FBWD))
350 switchState(S_PAUSE_I);
352 else if ((state == S_PAUSE_I) || (state == S_PAUSE_P))
358 switchState(S_PAUSE_P);
364 void Player::fastForward()
366 if (!initted) return;
374 case 4: ifactor = 8; break;
375 case 8: ifactor = 16; break;
376 case 16: ifactor = 32; break;
377 case 32: ifactor = 4; break;
388 void Player::fastBackward()
390 if (!initted) return;
398 case 4: ifactor = 8; break;
399 case 8: ifactor = 16; break;
400 case 16: ifactor = 32; break;
401 case 32: ifactor = 4; break;
412 void Player::jumpToPercent(double percent)
415 logger->log("Player", Log::DEBUG, "JUMP TO %f%%", percent);
416 ULONG newFrame = (ULONG)(percent * lengthFrames / 100);
417 switchState(S_JUMP, newFrame);
418 // unLock(); - let thread unlock this
421 void Player::jumpToMark(int mark)
424 logger->log("Player", Log::DEBUG, "JUMP TO MARK %i%%", mark);
425 switchState(S_JUMP, mark);
426 // unLock(); - let thread unlock this
429 void Player::jumpToFrameP(int newFrame)
432 logger->log("Player", Log::DEBUG, "JUMP TO FRAME AND PAUSE %i", newFrame);
433 switchState(S_JUMP_PI, newFrame);
437 void Player::skipForward(int seconds)
440 logger->log("Player", Log::DEBUG, "SKIP FORWARD %i SECONDS", seconds);
441 ULONG newFrame = getCurrentFrameNum();
442 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
443 newFrame +=(ULONG) (((double)seconds) * fps);
444 if (newFrame > lengthFrames) { switchState(S_PLAY); unLock(); }
445 else switchState(S_JUMP, newFrame);
446 // unLock(); - let thread unlock this
449 void Player::skipBackward(int seconds)
452 logger->log("Player", Log::DEBUG, "SKIP BACKWARD %i SECONDS", seconds);
453 long newFrame = getCurrentFrameNum();
454 if (newFrame == 0) { unLock(); return; } // Current pos from demuxer is not valid
455 newFrame -= (ULONG) (((double)seconds) * fps);
456 if (newFrame < 0) newFrame = 0;
457 switchState(S_JUMP, newFrame);
458 // unLock(); - let thread unlock this
461 // ----------------------------------- Implementations called events
463 void Player::switchState(UCHAR toState, ULONG jumpFrame)
465 if (!initted) return;
467 logger->log("Player", Log::DEBUG, "Switch state from %u to %u", state, toState);
469 switch(state) // current state selector
471 case S_PLAY: // from S_PLAY -----------------------------------
475 case S_PLAY: // to S_PLAY
479 case S_PAUSE_P: // to S_PAUSE_P
486 case S_PAUSE_I: // to S_PAUSE_I
491 case S_FFWD: // to S_FFWD
493 currentFrameNumber = getCurrentFrameNum();
494 audio->systemMuteOn();
505 case S_FBWD: // to S_FBWD
507 currentFrameNumber = getCurrentFrameNum();
508 audio->systemMuteOn();
519 case S_STOP: // to S_STOP
535 case S_JUMP: // to S_JUMP
537 restartAtFrame(jumpFrame);
540 case S_JUMP_PI: // to S_JUMP_PI
542 audio->systemMuteOn();
552 restartAtFramePI(jumpFrame);
557 case S_PAUSE_P: // from S_PAUSE_P -----------------------------------
561 case S_PLAY: // to S_PLAY
568 case S_PAUSE_P: // to S_PAUSE_P
572 case S_PAUSE_I: // to S_PAUSE_I
576 case S_FFWD: // to S_FFWD
578 currentFrameNumber = getCurrentFrameNum();
579 audio->systemMuteOn();
591 case S_FBWD: // to S_FBWD
593 currentFrameNumber = getCurrentFrameNum();
594 audio->systemMuteOn();
606 case S_STOP: // to S_STOP
619 audio->systemMuteOff();
623 case S_JUMP: // to S_JUMP
626 audio->systemMuteOn();
628 restartAtFrame(jumpFrame);
631 case S_JUMP_PI: // to S_JUMP_PI
633 audio->systemMuteOn();
644 restartAtFramePI(jumpFrame);
649 case S_PAUSE_I: // from S_PAUSE_I -----------------------------------
653 case S_PLAY: // to S_PLAY
656 restartAtFrame(currentFrameNumber);
659 case S_PAUSE_P: // to S_PAUSE_P
663 case S_PAUSE_I: // to S_PAUSE_I
667 case S_FFWD: // to S_FFWD
673 case S_FBWD: // to S_FBWD
679 case S_STOP: // to S_STOP
686 audio->systemMuteOff();
690 case S_JUMP: // to S_JUMP
693 restartAtFrame(jumpFrame);
696 case S_JUMP_PI: // to S_JUMP_PI
698 restartAtFramePI(jumpFrame);
703 case S_FFWD: // from S_FFWD -----------------------------------
707 case S_PLAY: // to S_PLAY
710 ULONG stepback = (ULONG)(((double)USER_RESPONSE_TIME * ifactor) * fps / 1000.);
711 if (stepback < currentFrameNumber)
712 currentFrameNumber -= stepback;
714 currentFrameNumber = 0;
715 restartAtFrame(currentFrameNumber);
718 case S_PAUSE_P: // to S_PAUSE_P
723 case S_PAUSE_I: // to S_PAUSE_I
729 case S_FFWD: // to S_FFWD
733 case S_FBWD: // to S_FBWD
740 case S_STOP: // to S_STOP
751 case S_JUMP: // to S_JUMP
754 restartAtFrame(jumpFrame);
757 case S_JUMP_PI: // to S_JUMP_PI
761 restartAtFramePI(jumpFrame);
766 case S_FBWD: // from S_FBWD -----------------------------------
770 case S_PLAY: // to S_PLAY
773 restartAtFrame(currentFrameNumber);
776 case S_PAUSE_P: // to S_PAUSE_P
781 case S_PAUSE_I: // to S_PAUSE_I
787 case S_FFWD: // to S_FFWD
794 case S_FBWD: // to S_FBWD
798 case S_STOP: // to S_STOP
809 case S_JUMP: // to S_JUMP
812 restartAtFrame(jumpFrame);
815 case S_JUMP_PI: // to S_JUMP_PI
819 restartAtFramePI(jumpFrame);
824 case S_STOP: // from S_STOP -----------------------------------
828 case S_PLAY: // to S_PLAY
833 audio->setStreamType(Audio::MPEG2_PES);
834 audio->systemMuteOff();
837 // FIXME use restartAtFrame here?
838 if (currentFrameNumber > lengthFrames) currentFrameNumber = 0;
839 demuxer->setFrameNum(currentFrameNumber);
844 logger->log("Player", Log::DEBUG, "Immediate play");
855 case S_PAUSE_P: // to S_PAUSE_P
859 case S_PAUSE_I: // to S_PAUSE_I
863 case S_FFWD: // to S_FFWD
867 case S_FBWD: // to S_FBWD
871 case S_STOP: // to S_STOP
875 case S_JUMP: // to S_JUMP
879 case S_JUMP_PI: // to S_JUMP_PI
885 // case S_JUMP cannot be a start state because it auto flips to play
886 // case S_JUMP_PI cannot be a start state because it auto flips to S_PAUSE_I
890 // ----------------------------------- Internal functions
895 pthread_mutex_lock(&mutex);
896 logger->log("Player", Log::DEBUG, "LOCKED");
899 WaitForSingleObject(mutex, INFINITE);
903 void Player::unLock()
906 logger->log("Player", Log::DEBUG, "UNLOCKING");
907 pthread_mutex_unlock(&mutex);
913 void Player::restartAtFrame(ULONG newFrame)
923 audio->setStreamType(Audio::MPEG2_PES);
926 currentFrameNumber = newFrame;
927 demuxer->setFrameNum(newFrame);
937 audio->systemMuteOff();
942 void Player::restartAtFramePI(ULONG newFrame)
945 ULONG nextiframeNumber;
953 // newFrame could be anywhere, go forwards to next I-Frame
954 if (!vdr->getNextIFrame(newFrame, 1, &filePos, &nextiframeNumber, &iframeLength)) return;
956 // Now step back a GOP. This ensures we go to the greatest I-Frame equal to or less than the requested frame
957 vdr->getNextIFrame(nextiframeNumber, 0, &filePos, &iframeNumber, &iframeLength);
959 buffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
960 if (!vdr->isConnected())
962 if (buffer) free(buffer);
967 videoLength = demuxer->stripAudio(buffer, amountReceived);
968 video->displayIFrame(buffer, videoLength);
969 video->displayIFrame(buffer, videoLength); // If you do it twice, it works :)
971 currentFrameNumber = iframeNumber;
975 void Player::doConnectionLost()
977 logger->log("Player", Log::DEBUG, "Connection lost, sending message");
978 Message* m = new Message();
979 m->to = messageReceiver;
981 m->message = Message::PLAYER_EVENT;
982 m->parameter.num = Player::CONNECTION_LOST;
983 messageQueue->postMessage(m);
986 // ----------------------------------- Callback
988 void Player::call(void* caller)
990 if (caller == demuxer)
992 logger->log("Player", Log::DEBUG, "Callback from demuxer");
994 if (video->getTVsize() == Video::ASPECT4X3)
996 logger->log("Player", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
1001 int dxCurrentAspect = demuxer->getAspectRatio(&parx,&pary);
1002 if (dxCurrentAspect == Demuxer::ASPECT_4_3)
1004 logger->log("Player", Log::DEBUG, "Demuxer said video is 4:3 aspect, switching TV");
1005 video->setAspectRatio(Video::ASPECT4X3,parx,pary);
1007 Message* m = new Message();
1009 m->to = messageReceiver;
1010 m->message = Message::PLAYER_EVENT;
1011 m->parameter.num = Player::ASPECT43;
1012 messageQueue->postMessageFromOuterSpace(m);
1014 else if (dxCurrentAspect == Demuxer::ASPECT_16_9)
1016 logger->log("Player", Log::DEBUG, "Demuxer said video is 16:9 aspect, switching TV");
1017 video->setAspectRatio(Video::ASPECT16X9,parx,pary);
1019 Message* m = new Message();
1021 m->to = messageReceiver;
1022 m->message = Message::PLAYER_EVENT;
1023 m->parameter.num = Player::ASPECT169;
1024 messageQueue->postMessageFromOuterSpace(m);
1028 logger->log("Player", Log::DEBUG, "Demuxer said video is something else... setting it anyway");
1029 video->setAspectRatio(dxCurrentAspect,parx,pary);
1037 videoStartup = false;
1045 threadSignalNoLock();
1049 // ----------------------------------- Feed thread
1051 void Player::threadMethod()
1053 // this method used to be simple, the only thing it does
1054 // is farm out to threadFeed Live/Play/Scan
1055 // All the guff is to support scan hitting one end
1057 if ((state == S_FFWD) || (state == S_FBWD))
1059 if (video->PTSIFramePlayback()) threadPTSFeedScan();
1060 else threadFeedScan();
1061 // if this returns then scan hit one end
1062 if (state == S_FFWD) // scan hit the end. stop
1065 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1066 m->to = messageReceiver;
1068 m->message = Message::PLAYER_EVENT;
1069 m->parameter.num = STOP_PLAYBACK;
1070 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1071 messageQueue->postMessage(m);
1072 logger->log("Player", Log::DEBUG, "Message posted...");
1075 // if execution gets to here, threadFeedScan hit the start, go to play mode
1078 audio->setStreamType(Audio::MPEG2_PES);
1081 demuxer->setFrameNum(currentFrameNumber);
1082 videoStartup = true;
1089 audio->systemMuteOff();
1093 if (state == S_PLAY) threadFeedPlay();
1096 void Player::threadFeedPlay()
1098 ULLONG feedPosition;
1099 UINT thisRead, writeLength, thisWrite, askFor;
1100 time_t lastRescan = time(NULL);
1102 feedPosition = vdr->positionFromFrameNumber(currentFrameNumber);
1103 if (!vdr->isConnected()) { doConnectionLost(); return; }
1104 logger->log("Player", Log::DEBUG, "startFeedPlay: wantedframe %i goto %llu", currentFrameNumber, feedPosition);
1115 // If we havn't rescanned for a while..
1116 if ((lastRescan + 60) < time(NULL))
1118 lengthBytes = vdr->rescanRecording(&lengthFrames);
1119 if (!vdr->isConnected()) { doConnectionLost(); return; }
1120 logger->log("Player", Log::DEBUG, "Rescanned and reset length: %llu", lengthBytes);
1121 lastRescan = time(NULL);
1124 if (feedPosition >= lengthBytes) break; // finished playback
1128 if (startupBlockSize > lengthBytes)
1129 askFor = lengthBytes; // is a very small recording!
1131 askFor = startupBlockSize; // normal, but a startup sized block to detect all the audio streams
1135 if ((feedPosition + blockSize) > lengthBytes) // last block of recording
1136 askFor = lengthBytes - feedPosition;
1140 //logger->log("Player", Log::DEBUG, "Get Block in");
1142 threadBuffer = vdr->getBlock(feedPosition, askFor, &thisRead);
1143 //logger->log("Player", Log::DEBUG, "Get Block out");
1145 feedPosition += thisRead;
1147 if (!vdr->isConnected())
1153 if (!threadBuffer) break;
1157 int a_stream = demuxer->scan(threadBuffer, thisRead);
1158 demuxer->setAudioStream(a_stream);
1159 logger->log("Player", Log::DEBUG, "Startup Audio stream chosen %x", a_stream);
1165 while(writeLength < thisRead)
1167 //logger->log("Player", Log::DEBUG, "Put in");
1168 thisWrite = demuxer->put(threadBuffer + writeLength, thisRead - writeLength);
1169 //logger->log("Player", Log::DEBUG, "Put out");
1170 writeLength += thisWrite;
1174 // demuxer is full and can't take anymore
1176 threadWaitForSignal();
1184 threadBuffer = NULL;
1189 logger->log("Player", Log::DEBUG, "Recording playback ends");
1191 if (videoStartup) // oh woe. there never was a stream, I was conned!
1193 videoStartup = false;
1195 MILLISLEEP(500); // I think this will solve a race
1201 Message* m = new Message(); // Must be done after this thread finishes, and must break into master mutex
1202 m->to = messageReceiver;
1204 m->message = Message::PLAYER_EVENT;
1205 m->parameter.num = Player::STOP_PLAYBACK;
1206 logger->log("Player", Log::DEBUG, "Posting message to %p...", messageQueue);
1207 messageQueue->postMessage(m);
1211 void Player::threadPTSFeedScan()
1213 // This method manipulates the PTS instead of waiting, this is for the android devices, maybe later for windows?
1215 ULONG direction = 0;
1217 ULONG baseFrameNumber = 0;
1218 ULONG iframeNumber = 0;
1219 ULONG iframeLength = 0;
1220 ULONG currentfeedFrameNumber=currentFrameNumber;
1221 ULONG firstFrameNumber=currentFrameNumber;
1223 UINT amountReceived;
1229 struct timeval clock0 = {0,0}; // Time stamp after fetching I-frame info
1230 struct timeval clock1 = {0,0}; // Time stamp after fetching I-frame data
1231 struct timeval clock2 = {0,0} ; // Time stamp after displaying I-frame
1233 DWORD clock0 = 0, clock1 = 0, clock2 = 0;
1236 int frameTimeOffset = 0; // Time in msec between frames
1237 int disp_msec = 0; // Time taken to display data
1238 int total_msec = 0; // Time taken to fetch data and display it
1241 if (state == S_FFWD) {
1242 direction = 1; // and 0 for backward
1245 video->EnterIframePlayback();
1249 // Fetch I-frames until we get one that can be displayed in good time
1250 // Repeat while clock0 + total_msec > clock2 + frameTimeOffset
1252 baseFrameNumber = currentfeedFrameNumber;
1255 if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1258 if (iframeNumber >= lengthFrames) return;
1259 // scan has got to the end of what we knew to be there before we started scanning
1261 baseFrameNumber = iframeNumber;
1263 frameTimeOffset =(int) ((double)(abs((int)iframeNumber - (int)currentfeedFrameNumber) * 1000) / (fps * (double)ifactor));
1265 logger->log("Player", Log::DEBUG, "XXX Got frame");
1267 threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1269 if (!vdr->isConnected())
1271 if (threadBuffer) free(threadBuffer);
1280 videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1281 demuxer->changeTimes(threadBuffer,videoLength,playtime);
1283 while (!video->displayIFrame(threadBuffer, videoLength)) // the device might block
1289 ULLONG cur_time=video->getCurrentTimestamp();
1290 // logger->log("Player", Log::ERR, "FFN: %d CFN: %d dirfac %d time %lld ifac %d fps %g",
1291 // firstFrameNumber, currentFrameNumber,dir_fac,cur_time,ifactor,fps);
1293 currentFrameNumber=firstFrameNumber+(int)(((double)(dir_fac*((long long)cur_time)*((int)ifactor))*fps/90000.));
1298 playtime +=frameTimeOffset;
1299 currentfeedFrameNumber = iframeNumber;
1301 ULLONG cur_time=video->getCurrentTimestamp();
1302 // logger->log("Player", Log::ERR, "FFN: %d CFN: %d dirfac %d time %lld ifac %d fps %g",
1303 // firstFrameNumber, currentFrameNumber,dir_fac,cur_time,ifactor,fps);
1305 currentFrameNumber=firstFrameNumber+(int)(((double)(dir_fac*((long long)cur_time)*((int)ifactor))*fps/90000.));
1310 threadBuffer = NULL;
1316 void Player::threadFeedScan()
1318 // This method is actually really simple - get frame from vdr,
1319 // spit it at the video chip, wait for a time. Most of the code here
1320 // is to get the wait right so that the scan occurs at the correct rate.
1322 ULONG direction = 0;
1323 ULONG baseFrameNumber = 0;
1324 ULONG iframeNumber = 0;
1325 ULONG iframeLength = 0;
1327 UINT amountReceived;
1331 struct timeval clock0 = {0,0}; // Time stamp after fetching I-frame info
1332 struct timeval clock1 = {0,0}; // Time stamp after fetching I-frame data
1333 struct timeval clock2 = {0,0} ; // Time stamp after displaying I-frame
1335 DWORD clock0 = 0, clock1 = 0, clock2 = 0;
1338 int frameTimeOffset = 0; // Time in msec between frames
1339 int disp_msec = 0; // Time taken to display data
1340 int total_msec = 0; // Time taken to fetch data and display it
1343 if (state == S_FFWD) direction = 1; // and 0 for backward
1347 // Fetch I-frames until we get one that can be displayed in good time
1348 // Repeat while clock0 + total_msec > clock2 + frameTimeOffset
1350 baseFrameNumber = currentFrameNumber;
1354 if (!vdr->getNextIFrame(baseFrameNumber, direction, &filePos, &iframeNumber, &iframeLength))
1357 if (iframeNumber >= lengthFrames) return;
1358 // scan has got to the end of what we knew to be there before we started scanning
1360 baseFrameNumber = iframeNumber;
1361 frameTimeOffset =(int) ((double)(abs((int)iframeNumber - (int)currentFrameNumber) * 1000) / (fps * (double)ifactor));
1363 gettimeofday(&clock0, NULL);
1365 clock0 = timeGetTime();
1369 while (clock2.tv_sec != 0 &&
1370 (clock0.tv_sec - clock2.tv_sec) * 1000 +
1371 (clock0.tv_usec - clock2.tv_usec) / 1000 > frameTimeOffset - total_msec);
1373 while (clock2 != 0 && clock0 + total_msec > clock2 + frameTimeOffset);
1375 logger->log("Player", Log::DEBUG, "XXX Got frame");
1377 threadBuffer = vdr->getBlock(filePos, iframeLength, &amountReceived);
1379 if (!vdr->isConnected())
1381 if (threadBuffer) free(threadBuffer);
1387 gettimeofday(&clock1, NULL);
1388 if (clock2.tv_sec != 0)
1389 sleepTime = (clock2.tv_sec - clock1.tv_sec) * 1000
1390 + (clock2.tv_usec - clock1.tv_usec) / 1000
1391 + frameTimeOffset - disp_msec;
1393 clock1 = timeGetTime();
1395 sleepTime = clock2 + frameTimeOffset - disp_msec - clock1;
1397 if (sleepTime < 0) sleepTime = 0;
1399 MILLISLEEP(sleepTime);
1400 logger->log("Player", Log::DEBUG, "XXX Slept for %d", sleepTime);
1402 videoLength = demuxer->stripAudio(threadBuffer, amountReceived);
1403 video->displayIFrame(threadBuffer, videoLength);
1404 currentFrameNumber = iframeNumber;
1406 threadBuffer = NULL;
1409 gettimeofday(&clock2, NULL);
1410 total_msec = (clock2.tv_sec - clock0.tv_sec) * 1000
1411 + (clock2.tv_usec - clock0.tv_usec) / 1000
1413 disp_msec = (clock2.tv_sec - clock1.tv_sec) * 1000
1414 + (clock2.tv_usec - clock1.tv_usec) / 1000
1417 clock2 = timeGetTime();
1418 total_msec = clock2 - clock0 - sleepTime;
1419 disp_msec = clock2 - clock1 - sleepTime;
1421 logger->log("Player", Log::DEBUG, "XXX disp_msec = %4d total_msec = %4d", disp_msec, total_msec);
1425 void Player::threadPostStopCleanup()
1430 threadBuffer = NULL;
1434 // ----------------------------------- Dev
1437 void Player::test1()
1439 logger->log("Player", Log::DEBUG, "PLAYER TEST 1");
1442 void Player::test2()
1444 logger->log("Player", Log::DEBUG, "PLAYER TEST 2");