player.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 PLAYER_H
  22 #define PLAYER_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
  31 #include "threadsystem.h"
  32
  33 #include "callback.h"
  34 #include "defines.h"
  35 #include "vfeed.h"
  36 #include "afeed.h"
  37 #include "tfeed.h"
  38
  39 #include "teletextdecodervbiebu.h"
  40
  41 class MessageQueue;
  42 class Audio;
  43 class Video;
  44 class VDR;
  45 class Log;
  46 class Demuxer;
  47 class OSDReceiver;
  48 class DVBSubtitles;
  49 class Channel;
  50
  51 class Player : public Thread_TYPE, public Callback
  52 {
  53   public:
  54     Player(MessageQueue* messageQueue, void* messageReceiver, OSDReceiver* osdReceiver);
  55     virtual ~Player();
  56
  57     int init(bool p_isPesRecording,double framespersec);
  58     int shutdown();
  59     void setStartFrame(ULONG frameNum);
  60     void setLengthBytes(ULLONG length);
  61     void setLengthFrames(ULONG length);
  62     void setAudioChannel(int newChannel, int type, int streamtype);
  63     void setSubtitleChannel(int newChannel);
  64     bool toggleSubtitles();
  65     void turnSubtitlesOn(bool ison);
  66     bool isSubtitlesOn() { return subtitlesShowing; }
  67     void tellSubtitlesOSDVisible(bool visible);
  68
  69     void play();
  70     void stop();
  71     void pause();
  72     void playpause();
  73     void fastForward();
  74     void fastBackward();
  75     void jumpToPercent(double percent);
  76     void skipForward(int seconds);
  77     void skipBackward(int seconds);
  78     void jumpToMark(int mark);
  79     void jumpToFrameP(int newFrame);
  80
  81     UCHAR getState() { return state; }
  82     ULONG getCurrentFrameNum();
  83     ULONG getLengthFrames();
  84     UCHAR getIScanRate() { return ifactor; }
  85     bool* getDemuxerMpegAudioChannels();
  86     bool* getDemuxerAc3AudioChannels();
  87     bool* getDemuxerSubtitleChannels();
  88     int *getTeletxtSubtitlePages();
  89     int getCurrentAudioChannel();
  90     int getCurrentSubtitleChannel();
  91     bool isPesRecording() { return is_pesrecording; }
  92     Channel *getDemuxerChannel();
  93
  94    TeletextDecoderVBIEBU * getTeletextDecoder() { return teletext; }
  95
  96     void call(void*); // for callback interface
  97
  98     const static UCHAR S_PLAY = 1;
  99     const static UCHAR S_PAUSE_P = 2;
 100     const static UCHAR S_PAUSE_I = 3;
 101     const static UCHAR S_FFWD = 4;
 102     const static UCHAR S_FBWD = 5;
 103     const static UCHAR S_STOP = 6;
 104     const static UCHAR S_JUMP = 7;
 105     const static UCHAR S_JUMP_PI = 8; // Jump to Pause_I mode
 106
 107     // Player events
 108
 109     // FIXME so far this just duplicates the old system + the wss
 110
 111     const static UCHAR CONNECTION_LOST = 1;
 112     const static UCHAR STOP_PLAYBACK = 2;
 113     const static UCHAR STREAM_END = 3;
 114     const static UCHAR ASPECT43 = 4;
 115     const static UCHAR ASPECT169 = 5;
 116
 117 #ifdef DEV
 118     void test1();
 119     void test2();
 120 #endif
 121
 122   protected:
 123     void threadMethod();
 124     void threadPostStopCleanup();
 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     bool subtitlesShowing;
 138     MessageQueue* messageQueue;
 139     void* messageReceiver;
 140     OSDReceiver* osdReceiver;
 141     Log* logger;
 142     Audio* audio;
 143     Video* video;
 144     Demuxer* demuxer;
 145     DVBSubtitles* subtitles;
 146     VDR* vdr;
 147     VFeed vfeed;
 148     AFeed afeed;
 149     TFeed tfeed;
 150     TeletextDecoderVBIEBU *teletext;
 151
 152
 153
 154     bool initted;
 155     bool startup;
 156     bool videoStartup;
 157
 158     bool is_pesrecording;
 159         double fps;
 160
 161 #ifndef WIN32
 162     pthread_mutex_t mutex;
 163 #else
 164     HANDLE mutex;
 165 #endif
 166     void lock();
 167     void unLock();
 168
 169     ULLONG lengthBytes;
 170     ULONG lengthFrames;
 171     ULONG currentFrameNumber;
 172     UINT blockSize;
 173     UINT startupBlockSize;
 174     UCHAR* threadBuffer;
 175     UCHAR state;
 176     UCHAR ifactor;
 177 };
 178
 179 #endif
 180
 181
 182 /*
 183
 184 Possible states:
 185
 186 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 187
 188                     Possible  Working
 189
 190 Play   -> PauseP       *         *
 191        -> PauseI
 192        -> FFwd         *         *
 193        -> FBwd         *         *
 194        -> Stop         *         *
 195        -> Jump         *         *
 196        -> Jump_PI      *         *
 197
 198 PauseP -> Play         *         *
 199        -> PauseI
 200        -> FFwd         *         *
 201        -> FBwd         *         *
 202        -> Stop         *         *
 203        -> Jump         *         *
 204        -> Jump_PI      *         *
 205
 206 PauseI -> Play         *         *
 207        -> PauseP
 208        -> FFwd         *         *
 209        -> FBwd         *         *
 210        -> Stop         *         *
 211        -> Jump         *         *
 212        -> Jump_PI      *         *
 213
 214 FFwd   -> Play         *         *
 215        -> PauseP
 216        -> PauseI       *         *
 217        -> FBwd         *         *
 218        -> Stop         *         *
 219        -> Jump         *         *
 220        -> Jump_PI      *         *
 221
 222 FBwd   -> Play         *         *
 223        -> PauseP
 224        -> PauseI       *         *
 225        -> FFwd         *         *
 226        -> Stop         *         *
 227        -> Jump         *         *
 228        -> Jump_PI      *         *
 229
 230 Stop   -> Play         *         *
 231        -> PauseP
 232        -> PauseI
 233        -> FFwd
 234        -> FBwd
 235        -> Jump
 236        -> Jump_PI
 237
 238 */