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 MessageReceiver;
  44 class Audio;
  45 class Video;
  46 class VDR;
  47 class LogNT;
  48 class Demuxer;
  49 class OSDReceiver;
  50 class DVBSubtitles;
  51 class Channel;
  52
  53 class PlayerVideoRec : public Callback
  54 {
  55   public:
  56     PlayerVideoRec(MessageQueue* messageQueue, MessageReceiver* messageReceiver, OSDReceiver* osdReceiver);
  57     virtual ~PlayerVideoRec();
  58
  59     int init(bool p_isPesRecording,double framespersec);
  60     int shutdown();
  61     void setStartFrame(ULONG frameNum);
  62     void setLengthBytes(ULLONG length);
  63     void setLengthFrames(ULONG length);
  64     void setAudioChannel(int newChannel, int type, int streamtype);
  65     void setSubtitleChannel(int newChannel);
  66     bool toggleSubtitles();
  67     void turnSubtitlesOn(bool ison);
  68     bool isSubtitlesOn() { return subtitlesShowing; }
  69     void tellSubtitlesOSDVisible(bool visible);
  70
  71     void play();
  72     void stop();
  73     void pause();
  74     void playpause();
  75     void fastForward();
  76     void fastBackward();
  77     void jumpToPercent(double percent);
  78     void skipForward(int seconds);
  79     void skipBackward(int seconds);
  80     void jumpToMark(int mark);
  81     void jumpToFrameP(int newFrame);
  82
  83     UCHAR getState() { return state; }
  84     ULONG getCurrentFrameNum();
  85     ULONG getLengthFrames();
  86     UCHAR getIScanRate() { return ifactor; }
  87     bool* getDemuxerMpegAudioChannels();
  88     bool* getDemuxerAc3AudioChannels();
  89     bool* getDemuxerSubtitleChannels();
  90     int *getTeletxtSubtitlePages();
  91     int getCurrentAudioChannel();
  92     int getCurrentSubtitleChannel();
  93     bool isPesRecording() { return is_pesrecording; }
  94     Channel *getDemuxerChannel();
  95
  96    TeletextDecoderVBIEBU * getTeletextDecoder() { return teletext; }
  97
  98     void call(void*); // for callback interface
  99
 100     const static UCHAR S_PLAY = 1;
 101     const static UCHAR S_PAUSE_P = 2;
 102     const static UCHAR S_PAUSE_I = 3;
 103     const static UCHAR S_FFWD = 4;
 104     const static UCHAR S_FBWD = 5;
 105     const static UCHAR S_STOP = 6;
 106     const static UCHAR S_JUMP = 7;
 107     const static UCHAR S_JUMP_PI = 8; // Jump to Pause_I mode
 108
 109     // Player events
 110
 111     // FIXME so far this just duplicates the old system + the wss
 112
 113     const static UCHAR CONNECTION_LOST = 1;
 114     const static UCHAR STOP_PLAYBACK = 2;
 115     const static UCHAR STREAM_END = 3;
 116     const static UCHAR ASPECT43 = 4;
 117     const static UCHAR ASPECT169 = 5;
 118
 119 #ifdef DEV
 120     void test1();
 121     void test2();
 122 #endif
 123
 124   private:
 125     void switchState(UCHAR newState, ULONG jumpFrame=0);
 126
 127     void threadMethod();
 128     void threadFeedPlay();
 129     bool threadFeedScan();
 130     bool threadPTSFeedScan();
 131
 132     void doConnectionLost();
 133     void restartAtFrame(ULONG newFrame);
 134     void restartAtFramePI(ULONG newFrame);
 135
 136     VFeed vfeed;
 137     AFeed afeed;
 138     TFeed tfeed;
 139     OSDReceiver* osdReceiver;
 140     MessageQueue* messageQueue;
 141     MessageReceiver* messageReceiver;
 142     LogNT* logger;
 143     Audio* audio;
 144     Video* video;
 145     Demuxer* demuxer;
 146     DVBSubtitles* subtitles;
 147     VDR* vdr;
 148
 149     TeletextDecoderVBIEBU *teletext;
 150
 151     bool initted{};
 152     bool startup;
 153     bool videoStartup{};
 154     bool subtitlesShowing{};
 155     bool is_pesrecording{true};
 156
 157     double fps;
 158
 159     std::mutex stateMutex;
 160
 161     std::thread playerThread;
 162     std::mutex playerThreadMutex;
 163     std::condition_variable playerThreadCond;
 164     bool threadReqQuit;
 165     void threadStart();
 166     void threadStop();
 167
 168     ULLONG lengthBytes{};
 169     ULONG lengthFrames{};
 170     ULONG currentFrameNumber{};
 171     UINT blockSize{100000};
 172     UINT startupBlockSize{250000};
 173     UCHAR state{S_STOP};
 174     UCHAR ifactor{4}; // 4, 8, 16, 32
 175 };
 176
 177 #endif
 178
 179
 180 /*
 181
 182 Possible states:
 183
 184 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 185
 186                     Possible  Working
 187
 188 Play   -> PauseP       *         *
 189        -> PauseI
 190        -> FFwd         *         *
 191        -> FBwd         *         *
 192        -> Stop         *         *
 193        -> Jump         *         *
 194        -> Jump_PI      *         *
 195
 196 PauseP -> Play         *         *
 197        -> PauseI
 198        -> FFwd         *         *
 199        -> FBwd         *         *
 200        -> Stop         *         *
 201        -> Jump         *         *
 202        -> Jump_PI      *         *
 203
 204 PauseI -> Play         *         *
 205        -> PauseP
 206        -> FFwd         *         *
 207        -> FBwd         *         *
 208        -> Stop         *         *
 209        -> Jump         *         *
 210        -> Jump_PI      *         *
 211
 212 FFwd   -> Play         *         *
 213        -> PauseP
 214        -> PauseI       *         *
 215        -> FBwd         *         *
 216        -> Stop         *         *
 217        -> Jump         *         *
 218        -> Jump_PI      *         *
 219
 220 FBwd   -> Play         *         *
 221        -> PauseP
 222        -> PauseI       *         *
 223        -> FFwd         *         *
 224        -> Stop         *         *
 225        -> Jump         *         *
 226        -> Jump_PI      *         *
 227
 228 Stop   -> Play         *         *
 229        -> PauseP
 230        -> PauseI
 231        -> FFwd
 232        -> FBwd
 233        -> Jump
 234        -> Jump_PI
 235
 236 */