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
  32 #include "threadsystem.h"
  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 Thread_TYPE, 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   protected:
 124     void threadMethod();
 125
 126   private:
 127     void switchState(UCHAR newState, ULONG jumpFrame=0);
 128
 129     void threadFeedPlay();
 130     void threadFeedScan();
 131     void threadPTSFeedScan();
 132
 133     void doConnectionLost();
 134     void restartAtFrame(ULONG newFrame);
 135     void restartAtFramePI(ULONG newFrame);
 136
 137     VFeed vfeed;
 138     AFeed afeed;
 139     TFeed tfeed;
 140     OSDReceiver* osdReceiver;
 141     MessageQueue* messageQueue;
 142     void* messageReceiver;
 143     Log* logger;
 144     Audio* audio;
 145     Video* video;
 146     Demuxer* demuxer;
 147     DVBSubtitles* subtitles;
 148     VDR* vdr;
 149
 150     TeletextDecoderVBIEBU *teletext;
 151
 152     bool initted{};
 153     bool startup;
 154     bool videoStartup{};
 155     bool subtitlesShowing{};
 156     bool is_pesrecording{true};
 157
 158     double fps;
 159
 160     std::mutex stateMutex;
 161
 162     ULLONG lengthBytes{};
 163     ULONG lengthFrames{};
 164     ULONG currentFrameNumber{};
 165     UINT blockSize{100000};
 166     UINT startupBlockSize{250000};
 167     UCHAR state{S_STOP};
 168     UCHAR ifactor{4}; // 4, 8, 16, 32
 169 };
 170
 171 #endif
 172
 173
 174 /*
 175
 176 Possible states:
 177
 178 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 179
 180                     Possible  Working
 181
 182 Play   -> PauseP       *         *
 183        -> PauseI
 184        -> FFwd         *         *
 185        -> FBwd         *         *
 186        -> Stop         *         *
 187        -> Jump         *         *
 188        -> Jump_PI      *         *
 189
 190 PauseP -> Play         *         *
 191        -> PauseI
 192        -> FFwd         *         *
 193        -> FBwd         *         *
 194        -> Stop         *         *
 195        -> Jump         *         *
 196        -> Jump_PI      *         *
 197
 198 PauseI -> Play         *         *
 199        -> PauseP
 200        -> FFwd         *         *
 201        -> FBwd         *         *
 202        -> Stop         *         *
 203        -> Jump         *         *
 204        -> Jump_PI      *         *
 205
 206 FFwd   -> Play         *         *
 207        -> PauseP
 208        -> PauseI       *         *
 209        -> FBwd         *         *
 210        -> Stop         *         *
 211        -> Jump         *         *
 212        -> Jump_PI      *         *
 213
 214 FBwd   -> Play         *         *
 215        -> PauseP
 216        -> PauseI       *         *
 217        -> FFwd         *         *
 218        -> Stop         *         *
 219        -> Jump         *         *
 220        -> Jump_PI      *         *
 221
 222 Stop   -> Play         *         *
 223        -> PauseP
 224        -> PauseI
 225        -> FFwd
 226        -> FBwd
 227        -> Jump
 228        -> Jump_PI
 229
 230 */