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
  68     void play();
  69     void stop();
  70     void pause();
  71     void playpause();
  72     void fastForward();
  73     void fastBackward();
  74     void jumpToPercent(double percent);
  75     void skipForward(int seconds);
  76     void skipBackward(int seconds);
  77     void jumpToMark(int mark);
  78     void jumpToFrameP(int newFrame);
  79
  80     UCHAR getState() { return state; }
  81     ULONG getCurrentFrameNum();
  82     ULONG getLengthFrames();
  83     UCHAR getIScanRate() { return ifactor; }
  84     bool* getDemuxerMpegAudioChannels();
  85     bool* getDemuxerAc3AudioChannels();
  86     bool* getDemuxerSubtitleChannels();
  87     int *getTeletxtSubtitlePages();
  88     int getCurrentAudioChannel();
  89     int getCurrentSubtitleChannel();
  90     bool isPesRecording() { return is_pesrecording; }
  91     Channel *getDemuxerChannel();
  92
  93    TeletextDecoderVBIEBU * getTeletextDecoder() { return teletext; }
  94
  95     void call(void*); // for callback interface
  96
  97     const static UCHAR S_PLAY = 1;
  98     const static UCHAR S_PAUSE_P = 2;
  99     const static UCHAR S_PAUSE_I = 3;
 100     const static UCHAR S_FFWD = 4;
 101     const static UCHAR S_FBWD = 5;
 102     const static UCHAR S_STOP = 6;
 103     const static UCHAR S_JUMP = 7;
 104     const static UCHAR S_JUMP_PI = 8; // Jump to Pause_I mode
 105
 106     // Player events
 107
 108     // FIXME so far this just duplicates the old system + the wss
 109
 110     const static UCHAR CONNECTION_LOST = 1;
 111     const static UCHAR STOP_PLAYBACK = 2;
 112     const static UCHAR STREAM_END = 3;
 113     const static UCHAR ASPECT43 = 4;
 114     const static UCHAR ASPECT169 = 5;
 115
 116 #ifdef DEV
 117     void test1();
 118     void test2();
 119 #endif
 120
 121   protected:
 122     void threadMethod();
 123     void threadPostStopCleanup();
 124
 125   private:
 126     void switchState(UCHAR newState, ULONG jumpFrame=0);
 127
 128     void threadFeedPlay();
 129     void threadFeedScan();
 130     void threadPTSFeedScan();
 131
 132     void doConnectionLost();
 133     void restartAtFrame(ULONG newFrame);
 134     void restartAtFramePI(ULONG newFrame);
 135
 136     bool subtitlesShowing;
 137     MessageQueue* messageQueue;
 138     void* messageReceiver;
 139     OSDReceiver* osdReceiver;
 140     Log* logger;
 141     Audio* audio;
 142     Video* video;
 143     Demuxer* demuxer;
 144     DVBSubtitles* subtitles;
 145     VDR* vdr;
 146     VFeed vfeed;
 147     AFeed afeed;
 148     TFeed tfeed;
 149     TeletextDecoderVBIEBU *teletext;
 150
 151
 152
 153     bool initted;
 154     bool startup;
 155     bool videoStartup;
 156
 157     bool is_pesrecording;
 158         double fps;
 159
 160 #ifndef WIN32
 161     pthread_mutex_t mutex;
 162 #else
 163     HANDLE mutex;
 164 #endif
 165     void lock();
 166     void unLock();
 167
 168     ULLONG lengthBytes;
 169     ULONG lengthFrames;
 170     ULONG currentFrameNumber;
 171     UINT blockSize;
 172     UINT startupBlockSize;
 173     UCHAR* threadBuffer;
 174     UCHAR state;
 175     UCHAR ifactor;
 176 };
 177
 178 #endif
 179
 180
 181 /*
 182
 183 Possible states:
 184
 185 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 186
 187                     Possible  Working
 188
 189 Play   -> PauseP       *         *
 190        -> PauseI
 191        -> FFwd         *         *
 192        -> FBwd         *         *
 193        -> Stop         *         *
 194        -> Jump         *         *
 195        -> Jump_PI      *         *
 196
 197 PauseP -> Play         *         *
 198        -> PauseI
 199        -> FFwd         *         *
 200        -> FBwd         *         *
 201        -> Stop         *         *
 202        -> Jump         *         *
 203        -> Jump_PI      *         *
 204
 205 PauseI -> Play         *         *
 206        -> PauseP
 207        -> FFwd         *         *
 208        -> FBwd         *         *
 209        -> Stop         *         *
 210        -> Jump         *         *
 211        -> Jump_PI      *         *
 212
 213 FFwd   -> Play         *         *
 214        -> PauseP
 215        -> PauseI       *         *
 216        -> FBwd         *         *
 217        -> Stop         *         *
 218        -> Jump         *         *
 219        -> Jump_PI      *         *
 220
 221 FBwd   -> Play         *         *
 222        -> PauseP
 223        -> PauseI       *         *
 224        -> FFwd         *         *
 225        -> Stop         *         *
 226        -> Jump         *         *
 227        -> Jump_PI      *         *
 228
 229 Stop   -> Play         *         *
 230        -> PauseP
 231        -> PauseI
 232        -> FFwd
 233        -> FBwd
 234        -> Jump
 235        -> Jump_PI
 236
 237 */