playervideorec.h

   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, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 */
  20
  21 #ifndef PLAYERVIDEOREC_H
  22 #define PLAYERVIDEOREC_H
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #ifndef WIN32
  27 #include <sys/time.h>
  28 #endif
  29 #include <time.h>
  30 #include <mutex>
  31 #include <thread>
  32 #include <condition_variable>
  33
  34 #include "callback.h"
  35 #include "defines.h"
  36 #include "vfeed.h"
  37 #include "afeed.h"
  38 #include "tfeed.h"
  39
  40 #include "teletextdecodervbiebu.h"
  41
  42 class MessageQueue;
  43 class Audio;
  44 class Video;
  45 class VDR;
  46 class Log;
  47 class Demuxer;
  48 class OSDReceiver;
  49 class DVBSubtitles;
  50 class Channel;
  51
  52 class PlayerVideoRec : public Callback
  53 {
  54   public:
  55     PlayerVideoRec(MessageQueue* messageQueue, void* messageReceiver, OSDReceiver* osdReceiver);
  56     virtual ~PlayerVideoRec();
  57
  58     int init(bool p_isPesRecording,double framespersec);
  59     int shutdown();
  60     void setStartFrame(ULONG frameNum);
  61     void setLengthBytes(ULLONG length);
  62     void setLengthFrames(ULONG length);
  63     void setAudioChannel(int newChannel, int type, int streamtype);
  64     void setSubtitleChannel(int newChannel);
  65     bool toggleSubtitles();
  66     void turnSubtitlesOn(bool ison);
  67     bool isSubtitlesOn() { return subtitlesShowing; }
  68     void tellSubtitlesOSDVisible(bool visible);
  69
  70     void play();
  71     void stop();
  72     void pause();
  73     void playpause();
  74     void fastForward();
  75     void fastBackward();
  76     void jumpToPercent(double percent);
  77     void skipForward(int seconds);
  78     void skipBackward(int seconds);
  79     void jumpToMark(int mark);
  80     void jumpToFrameP(int newFrame);
  81
  82     UCHAR getState() { return state; }
  83     ULONG getCurrentFrameNum();
  84     ULONG getLengthFrames();
  85     UCHAR getIScanRate() { return ifactor; }
  86     bool* getDemuxerMpegAudioChannels();
  87     bool* getDemuxerAc3AudioChannels();
  88     bool* getDemuxerSubtitleChannels();
  89     int *getTeletxtSubtitlePages();
  90     int getCurrentAudioChannel();
  91     int getCurrentSubtitleChannel();
  92     bool isPesRecording() { return is_pesrecording; }
  93     Channel *getDemuxerChannel();
  94
  95    TeletextDecoderVBIEBU * getTeletextDecoder() { return teletext; }
  96
  97     void call(void*); // for callback interface
  98
  99     const static UCHAR S_PLAY = 1;
 100     const static UCHAR S_PAUSE_P = 2;
 101     const static UCHAR S_PAUSE_I = 3;
 102     const static UCHAR S_FFWD = 4;
 103     const static UCHAR S_FBWD = 5;
 104     const static UCHAR S_STOP = 6;
 105     const static UCHAR S_JUMP = 7;
 106     const static UCHAR S_JUMP_PI = 8; // Jump to Pause_I mode
 107
 108     // Player events
 109
 110     // FIXME so far this just duplicates the old system + the wss
 111
 112     const static UCHAR CONNECTION_LOST = 1;
 113     const static UCHAR STOP_PLAYBACK = 2;
 114     const static UCHAR STREAM_END = 3;
 115     const static UCHAR ASPECT43 = 4;
 116     const static UCHAR ASPECT169 = 5;
 117
 118 #ifdef DEV
 119     void test1();
 120     void test2();
 121 #endif
 122
 123   private:
 124     void switchState(UCHAR newState, ULONG jumpFrame=0);
 125
 126     void threadMethod();
 127     void threadFeedPlay();
 128     bool threadFeedScan();
 129     bool threadPTSFeedScan();
 130
 131     void doConnectionLost();
 132     void restartAtFrame(ULONG newFrame);
 133     void restartAtFramePI(ULONG newFrame);
 134
 135     VFeed vfeed;
 136     AFeed afeed;
 137     TFeed tfeed;
 138     OSDReceiver* osdReceiver;
 139     MessageQueue* messageQueue;
 140     void* messageReceiver;
 141     Log* logger;
 142     Audio* audio;
 143     Video* video;
 144     Demuxer* demuxer;
 145     DVBSubtitles* subtitles;
 146     VDR* vdr;
 147
 148     TeletextDecoderVBIEBU *teletext;
 149
 150     bool initted{};
 151     bool startup;
 152     bool videoStartup{};
 153     bool subtitlesShowing{};
 154     bool is_pesrecording{true};
 155
 156     double fps;
 157
 158     std::mutex stateMutex;
 159
 160     std::thread playerThread;
 161     std::mutex playerThreadMutex;
 162     std::condition_variable playerThreadCond;
 163     bool threadReqQuit;
 164     void threadStart();
 165     void threadStop();
 166
 167     ULLONG lengthBytes{};
 168     ULONG lengthFrames{};
 169     ULONG currentFrameNumber{};
 170     UINT blockSize{100000};
 171     UINT startupBlockSize{250000};
 172     UCHAR state{S_STOP};
 173     UCHAR ifactor{4}; // 4, 8, 16, 32
 174 };
 175
 176 #endif
 177
 178
 179 /*
 180
 181 Possible states:
 182
 183 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 184
 185                     Possible  Working
 186
 187 Play   -> PauseP       *         *
 188        -> PauseI
 189        -> FFwd         *         *
 190        -> FBwd         *         *
 191        -> Stop         *         *
 192        -> Jump         *         *
 193        -> Jump_PI      *         *
 194
 195 PauseP -> Play         *         *
 196        -> PauseI
 197        -> FFwd         *         *
 198        -> FBwd         *         *
 199        -> Stop         *         *
 200        -> Jump         *         *
 201        -> Jump_PI      *         *
 202
 203 PauseI -> Play         *         *
 204        -> PauseP
 205        -> FFwd         *         *
 206        -> FBwd         *         *
 207        -> Stop         *         *
 208        -> Jump         *         *
 209        -> Jump_PI      *         *
 210
 211 FFwd   -> Play         *         *
 212        -> PauseP
 213        -> PauseI       *         *
 214        -> FBwd         *         *
 215        -> Stop         *         *
 216        -> Jump         *         *
 217        -> Jump_PI      *         *
 218
 219 FBwd   -> Play         *         *
 220        -> PauseP
 221        -> PauseI       *         *
 222        -> FFwd         *         *
 223        -> Stop         *         *
 224        -> Jump         *         *
 225        -> Jump_PI      *         *
 226
 227 Stop   -> Play         *         *
 228        -> PauseP
 229        -> PauseI
 230        -> FFwd
 231        -> FBwd
 232        -> Jump
 233        -> Jump_PI
 234
 235 */