2 Copyright 2007 Chris Tallon
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4 This file is part of VOMP.
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6 VOMP is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 VOMP is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with VOMP; if not, write to the Free Software
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18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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21 #include "playerlivetv.h"
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26 #include "demuxerts.h"
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28 #include "messagequeue.h"
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30 #include "message.h"
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31 #include "channel.h"
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32 #include "dvbsubtitles.h"
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33 #include "osdreceiver.h"
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35 // ----------------------------------- Called from outside, one offs or info funcs
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37 PlayerLiveTV::PlayerLiveTV(MessageQueue* tmessageQueue, void* tmessageReceiver, OSDReceiver* tosdReceiver, ChannelList* tchanList)
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38 : vfeed(this), afeed(this), tfeed(this)
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40 messageQueue = tmessageQueue;
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41 messageReceiver = tmessageReceiver;
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42 osdReceiver = tosdReceiver;
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43 chanList = tchanList;
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45 audio = Audio::getInstance();
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46 video = Video::getInstance();
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47 logger = Log::getInstance();
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48 vdr = VDR::getInstance();
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51 subtitlesShowing = false;
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52 videoStartup = false;
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53 pendingAudioPlay = false;
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58 video->turnVideoOn();
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61 PlayerLiveTV::~PlayerLiveTV()
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63 if (initted) shutdown();
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66 int PlayerLiveTV::init()
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68 if (initted) return 0;
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70 demuxer = new DemuxerTS();
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71 if (!demuxer) return 0;
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72 subtitles = new DVBSubtitles(osdReceiver);
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73 if (!subtitles) return 0;
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75 teletext = new TeletextDecoderVBIEBU();
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77 unsigned int demux_video_size=2097152;
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78 unsigned int demux_audio_size=524288;
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79 if (video->supportsh264()) {
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80 demux_video_size*=5*1;//5;
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83 if (audio->maysupportAc3()) {
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84 //demux_audio_size*=2;
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87 int text_fak=video->getTeletextBufferFaktor();
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90 if (!demuxer->init(this, audio, video, teletext, demux_video_size,demux_audio_size, 65536*text_fak,25./*unimportant*/,subtitles))
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92 logger->log("PlayerLiveTV", Log::ERR, "Demuxer failed to init");
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109 int PlayerLiveTV::shutdown()
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111 if (!initted) return 0;
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112 logger->log("PlayerLiveTV", Log::DEBUG, "Shutdown");
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123 bool* PlayerLiveTV::getDemuxerMpegAudioChannels()
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125 return demuxer->getmpAudioChannels();
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128 bool* PlayerLiveTV::getDemuxerAc3AudioChannels()
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130 return demuxer->getac3AudioChannels();
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133 int PlayerLiveTV::getCurrentAudioChannel()
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135 return demuxer->getAID();
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138 void PlayerLiveTV::setAudioChannel(int newChannel, int type)
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140 demuxer->setAID(newChannel,type);
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143 void PlayerLiveTV::setSubtitleChannel(int newChannel)
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145 demuxer->setSubID(newChannel);
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148 int *PlayerLiveTV::getTeletxtSubtitlePages()
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150 return teletext->getSubtitlePages();
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153 int PlayerLiveTV::getCurrentSubtitleChannel(){
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154 return demuxer->getSubID();
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157 bool PlayerLiveTV::toggleSubtitles()
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159 if (!subtitlesShowing)
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161 subtitlesShowing = true;
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166 subtitlesShowing = false;
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169 return subtitlesShowing;
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173 void PlayerLiveTV::turnSubtitlesOn(bool ison) {
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176 subtitlesShowing = true;
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181 subtitlesShowing = false;
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186 // ----------------------------------- Externally called events
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188 void PlayerLiveTV::go(ULONG index)
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190 struct PLInstruction i;
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191 i.instruction = I_SETCHANNEL;
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192 i.channelIndex = index;
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193 instructions.push(i);
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197 void PlayerLiveTV::setChannel(ULONG index)
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199 logger->log("PlayerLiveTV", Log::DEBUG, "setChannel");
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200 struct PLInstruction i;
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201 i.instruction = I_SETCHANNEL;
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202 i.channelIndex = index;
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203 instructions.push(i);
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204 threadSignalNoLock();
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207 void PlayerLiveTV::stop()
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209 logger->log("PlayerLiveTV", Log::DEBUG, "stop");
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210 struct PLInstruction i;
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211 i.instruction = I_STOP;
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212 instructions.push(i);
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215 logger->log("PlayerLiveTV", Log::DEBUG, "stop succesfull");
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218 // ----------------------------------- Callback
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220 void PlayerLiveTV::call(void* caller)
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222 if (caller == demuxer)
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224 logger->log("PlayerLiveTV", Log::DEBUG, "Callback from demuxer");
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226 int dxCurrentAspect = demuxer->getAspectRatio();
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227 if (dxCurrentAspect == Demuxer::ASPECT_4_3)
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229 if (video->getTVsize() == Video::ASPECT16X9)
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231 logger->log("PlayerLiveTV", Log::DEBUG, "Demuxer said video is 4:3 aspect, switching TV");
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232 video->setAspectRatio(Video::ASPECT4X3);
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236 logger->log("PlayerLiveTV", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
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239 Message* m = new Message();
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241 m->to = messageReceiver;
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242 m->message = Message::PLAYER_EVENT;
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243 m->parameter = PlayerLiveTV::ASPECT43;
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244 messageQueue->postMessageFromOuterSpace(m);
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246 else if (dxCurrentAspect == Demuxer::ASPECT_16_9)
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248 if (video->getTVsize() == Video::ASPECT16X9)
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250 logger->log("PlayerLiveTV", Log::DEBUG, "Demuxer said video is 16:9 aspect, switching TV");
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251 video->setAspectRatio(Video::ASPECT16X9);
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255 logger->log("PlayerLiveTV", Log::DEBUG, "TV is 4:3, ignoring aspect switching");
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258 Message* m = new Message();
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260 m->to = messageReceiver;
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261 m->message = Message::PLAYER_EVENT;
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262 m->parameter = PlayerLiveTV::ASPECT169;
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263 messageQueue->postMessageFromOuterSpace(m);
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267 logger->log("PlayerLiveTV", Log::DEBUG, "Demuxer said video is something else... ignoring");
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270 else if (caller == &afeed)
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272 if (state == S_VIDEOSTARTUP)
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274 logger->log("PlayerLiveTV", Log::DEBUG, "afeed video startup");
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275 videoStartup = true;
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276 threadSignalNoLock();
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281 // -----------------------------------
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283 void PlayerLiveTV::streamReceive(ULONG flag, void* data, ULONG len)
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286 // 0 = normal stream packet
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288 // 2 = connection lost
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290 //logger->log("PlayerLiveTV", Log::DEBUG, "Received a streamchunk from VDR, flag = %lu", flag);
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296 Message* m = new Message();
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298 m->to = messageReceiver;
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299 m->message = Message::PLAYER_EVENT;
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300 m->parameter = PlayerLiveTV::STREAM_END;
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301 messageQueue->postMessageFromOuterSpace(m);
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304 if (streamChunks.size() < 11)
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309 streamChunks.push(s);
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310 threadSignalNoLock();
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314 // Too many chunks in streamChunks, drop this chunk
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316 logger->log("PlayerLiveTV", Log::WARN, "Dropped chunk");
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320 void PlayerLiveTV::clearStreamChunks()
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322 while(streamChunks.size())
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324 logger->log("PlayerLiveTV", Log::DEBUG, "Dropping chunk from old stream");
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325 struct StreamChunk s = streamChunks.front();
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326 streamChunks.pop();
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331 void PlayerLiveTV::chunkToDemuxer()
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333 StreamChunk s = streamChunks.front();
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334 streamChunks.pop();
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335 // logger->log("PlayerLiveTV", Log::DEBUG, "About to call demuxer with %p %lu", s.data, s.len);
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336 /* int a =*/ demuxer->put((UCHAR*)s.data, s.len);
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337 // logger->log("PlayerLiveTV", Log::DEBUG, "put %i to demuxer", a);
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339 if (pendingAudioPlay && (demuxer->getHorizontalSize()|| !video->independentAVStartUp())) //Horizontal Size is zero, if not parsed
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344 //audio->setStreamType(Audio::MPEG2_PES);
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348 pendingAudioPlay = false;
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352 void PlayerLiveTV::switchState(UCHAR newState)
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354 logger->log("PlayerLiveTV", Log::DEBUG, "Switch from state %u to state %u", state, newState);
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358 case S_STOP: // FROM S_STOP
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362 case S_VIDEOSTARTUP:
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373 //audio->setStreamType(Audio::MPEG2_PES);
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375 // I make this modification, since the video/audio devices needs to know at least
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376 // which kind of video is embedded inside the stream
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377 // therefore the demuxer needs to feeded at least with enough data
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378 // to have one video header
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379 // This is crucial, if we have mixed h264/mpeg2 channels
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380 // the information from channels is not enough since some directshow decoders need
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381 // width and height information before startup
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382 pendingAudioPlay = true;
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392 subtitles->start();
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396 if (!video->independentAVStartUp()){
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397 videoStartup = true;
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398 threadSignalNoLock();
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404 logger->log("PlayerLiveTV", Log::EMERG, "Thread called state %u to state %u which is not supported", state, newState);
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411 case S_VIDEOSTARTUP: // FROM S_VIDEOSTARTUP
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415 case S_PREBUFFERING:
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417 pendingAudioPlay=false;
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423 case S_VIDEOSTARTUP:
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426 vdr->stopStreaming();
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427 clearStreamChunks();
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441 //audio->setStreamType(Audio::MPEG2_PES);
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443 pendingAudioPlay = true;
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452 subtitles->start();
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455 if (!video->independentAVStartUp()){
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456 videoStartup = true;
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457 threadSignalNoLock();
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463 vdr->stopStreaming();
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464 pendingAudioPlay=false;
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465 clearStreamChunks();
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480 logger->log("PlayerLiveTV", Log::EMERG, "Thread called state %u to state %u which is not supported", state, newState);
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487 case S_PREBUFFERING: // FROM S_PREBUFFERING
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493 pendingAudioPlay=false;
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499 case S_VIDEOSTARTUP:
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501 vdr->stopStreaming();
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502 clearStreamChunks();
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518 //audio->setStreamType(Audio::MPEG2_PES);
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520 pendingAudioPlay = true;
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529 subtitles->start();
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537 pendingAudioPlay=false;
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538 vdr->stopStreaming();
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539 clearStreamChunks();
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554 logger->log("PlayerLiveTV", Log::EMERG, "Thread called state %u to state %u which is not supported", state, newState);
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561 case S_PLAY: // FROM S_PLAY
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567 pendingAudioPlay=false;
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568 vdr->stopStreaming();
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569 clearStreamChunks();
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582 case S_VIDEOSTARTUP:
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584 vdr->stopStreaming();
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585 clearStreamChunks();
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602 //audio->setStreamType(Audio::MPEG2_PES);
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606 pendingAudioPlay = true;
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612 subtitles->start();
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615 if (!video->independentAVStartUp()){
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616 videoStartup = true;
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617 threadSignalNoLock();
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623 logger->log("PlayerLiveTV", Log::EMERG, "Thread called state %u to state %u which is not supported", state, newState);
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632 bool PlayerLiveTV::checkError()
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634 if (!vdr->isConnected())
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636 if (state != S_STOP) switchState(S_STOP);
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638 Message* m = new Message();
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640 m->to = messageReceiver;
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641 m->message = Message::PLAYER_EVENT;
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642 m->parameter = PlayerLiveTV::CONNECTION_LOST;
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643 messageQueue->postMessageFromOuterSpace(m);
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650 void PlayerLiveTV::optimizeInstructionQueue()
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654 // Currently there are only 2 instruction types, so this is a bit overkill...
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656 struct PLInstruction i;
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657 while(instructions.size() > 1)
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659 i = instructions.front();
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660 if (i.instruction == I_SETCHANNEL)
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662 instructions.pop(); // if this is the first of more than 1 command, currently it cannot possibly be relevant
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664 else if (i.instruction == I_STOP)
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666 return; // return here and ensure the next instruction will be stop
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671 void PlayerLiveTV::threadMethod()
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676 //logger->log("PlayerLiveTV", Log::DEBUG, "VS: %d pA %d",videoStartup,pendingAudioPlay);
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677 if (videoStartup && !pendingAudioPlay) // we are in S_VIDEOSTARTUP, afeed has signalled that it has written some data
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679 logger->log("PlayerLiveTV", Log::DEBUG, "Enter prebuffering");
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680 switchState(S_PREBUFFERING);
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681 videoStartup = false;
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682 preBufferCount = 0;
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687 while(!instructions.empty())
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689 if (instructions.size() > 1) optimizeInstructionQueue();
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691 struct PLInstruction i = instructions.front();
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692 instructions.pop();
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694 if (i.instruction == I_SETCHANNEL)
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696 logger->log("PlayerLiveTV", Log::DEBUG, "start new stream");
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699 switchState(S_VIDEOSTARTUP);
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703 Channel* chan = (*chanList)[i.channelIndex];
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705 h264=chan->vstreamtype==0x1b;
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706 demuxer->seth264(h264);
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707 video->seth264mode(chan->vstreamtype==0x1b);
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708 demuxer->setVID(chan->vpid);
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709 video->seth264mode(chan->vstreamtype==0x1b);
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711 if (chan->numAPids > 0)
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713 demuxer->setAID(chan->apids[0].pid,0);
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714 audio->setStreamType(Audio::MPEG2_PES);
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715 logger->log("PlayerLiveTV", Log::DEBUG, "Demuxer pids: %u %u", chan->vpid, chan->apids[0].pid);
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719 if (chan->numDPids > 0 && audio->maysupportAc3())
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721 demuxer->setAID(chan->dpids[0].pid,1);
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722 logger->log("PlayerLiveTV", Log::DEBUG, "Demuxer pids: %u %u (ac3)", chan->vpid, chan->dpids[0].pid);
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726 logger->log("PlayerLiveTV", Log::WARN, "Demuxer video pid only: %u", chan->vpid);
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729 if (chan->numSPids > 0)
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730 demuxer->setSubID(chan->spids[0].pid);
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731 demuxer->setTID(chan->tpid);
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732 teletext->ResetDecoder();
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733 int streamSuccess = vdr->streamChannel(chan->number, this);
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734 if (!checkError() && !streamSuccess)
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736 Message* m = new Message();
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738 m->to = messageReceiver;
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739 m->message = Message::PLAYER_EVENT;
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740 m->parameter = PlayerLiveTV::STREAM_END;
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741 messageQueue->postMessageFromOuterSpace(m);
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745 else if (i.instruction == I_STOP)
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747 logger->log("PlayerLiveTV", Log::DEBUG, "Stopping");
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748 switchState(S_STOP);
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758 if (stopNow) break;
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760 while(streamChunks.size())
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762 //logger->log("PlayerLiveTV", Log::DEBUG, "chunk mark1 %d", streamChunks.size());
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764 //logger->log("PlayerLiveTV", Log::DEBUG, "chunk mark2 %d", streamChunks.size());
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766 if (state == S_PREBUFFERING)
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768 logger->log("PlayerLiveTV", Log::DEBUG, "chunk mark3");
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770 ULONG percentDone = (ULONG)(preBufferCount / (float)preBufferAmount * 100);
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771 logger->log("PlayerLiveTV", Log::DEBUG, "Prebuffering %lu%%", percentDone);
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773 Message* m = new Message();
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775 m->to = messageReceiver;
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776 m->message = Message::PLAYER_EVENT;
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777 m->parameter = PlayerLiveTV::PREBUFFERING;
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778 m->tag = percentDone;
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779 messageQueue->postMessageFromOuterSpace(m);
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781 if (preBufferCount == preBufferAmount)
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783 switchState(S_PLAY);
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788 // logger->log("PlayerLiveTV", Log::DEBUG, "wait for signal %d", streamChunks.size());
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790 threadWaitForSignal(); // unlocks and waits for signal
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792 //logger->log("PlayerLiveTV", Log::DEBUG, "wait for signal2 %d",streamChunks.size());
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795 logger->log("PlayerLiveTV", Log::DEBUG, "End of thread");
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