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 #ifdef WIN32
  32 #include "threadwin.h"
  33 #else
  34 #include "threadp.h"
  35 #endif
  36
  37 #include "callback.h"
  38 #include "defines.h"
  39 #include "vfeed.h"
  40 #include "afeed.h"
  41 #include "tfeed.h"
  42
  43 #include "teletextdecodervbiebu.h"
  44
  45 class MessageQueue;
  46 class Audio;
  47 class Video;
  48 class VDR;
  49 class Log;
  50 class Demuxer;
  51 class OSDReceiver;
  52 class DVBSubtitles;
  53
  54 class Player : public Thread_TYPE, public Callback
  55 {
  56   public:
  57     Player(MessageQueue* messageQueue, void* messageReceiver, OSDReceiver* osdReceiver);
  58     virtual ~Player();
  59
  60     int init();
  61     int shutdown();
  62     void setStartFrame(ULONG frameNum);
  63     void setLengthBytes(ULLONG length);
  64     void setLengthFrames(ULONG length);
  65     void setAudioChannel(int newChannel, int type);
  66     void setSubtitleChannel(int newChannel);
  67     bool toggleSubtitles();
  68     void turnSubtitlesOn(bool ison);
  69     bool isSubtitlesOn() {return subtitlesShowing;};
  70
  71     void play();
  72     void stop();
  73     void pause();
  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
  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
 131     void doConnectionLost();
 132     void restartAtFrame(ULONG newFrame);
 133     void restartAtFramePI(ULONG newFrame);
 134
 135     bool subtitlesShowing;
 136     MessageQueue* messageQueue;
 137     void* messageReceiver;
 138     OSDReceiver* osdReceiver;
 139     Log* logger;
 140     Audio* audio;
 141     Video* video;
 142     Demuxer* demuxer;
 143     DVBSubtitles* subtitles;
 144     VDR* vdr;
 145     VFeed vfeed;
 146     AFeed afeed;
 147     TFeed tfeed;
 148     TeletextDecoderVBIEBU *teletext;
 149
 150
 151
 152     bool initted;
 153     bool startup;
 154     bool videoStartup;
 155
 156 #ifndef WIN32
 157     pthread_mutex_t mutex;
 158 #else
 159     HANDLE mutex;
 160 #endif
 161     void lock();
 162     void unLock();
 163
 164     ULLONG lengthBytes;
 165     ULONG lengthFrames;
 166     ULONG currentFrameNumber;
 167     UINT blockSize;
 168     UINT startupBlockSize;
 169     UCHAR* threadBuffer;
 170     UCHAR state;
 171     UCHAR ifactor;
 172 };
 173
 174 #endif
 175
 176
 177 /*
 178
 179 Possible states:
 180
 181 Play, Pause, FFwd, FBwd, (Stop), [Jump]
 182
 183                     Possible  Working
 184
 185 Play   -> PauseP       *         *
 186        -> PauseI
 187        -> FFwd         *         *
 188        -> FBwd         *         *
 189        -> Stop         *         *
 190        -> Jump         *         *
 191        -> Jump_PI      *         *
 192
 193 PauseP -> Play         *         *
 194        -> PauseI
 195        -> FFwd         *         *
 196        -> FBwd         *         *
 197        -> Stop         *         *
 198        -> Jump         *         *
 199        -> Jump_PI      *         *
 200
 201 PauseI -> Play         *         *
 202        -> PauseP
 203        -> FFwd         *         *
 204        -> FBwd         *         *
 205        -> Stop         *         *
 206        -> Jump         *         *
 207        -> Jump_PI      *         *
 208
 209 FFwd   -> Play         *         *
 210        -> PauseP
 211        -> PauseI       *         *
 212        -> FBwd         *         *
 213        -> Stop         *         *
 214        -> Jump         *         *
 215        -> Jump_PI      *         *
 216
 217 FBwd   -> Play         *         *
 218        -> PauseP
 219        -> PauseI       *         *
 220        -> FFwd         *         *
 221        -> Stop         *         *
 222        -> Jump         *         *
 223        -> Jump_PI      *         *
 224
 225 Stop   -> Play         *         *
 226        -> PauseP
 227        -> PauseI
 228        -> FFwd
 229        -> FBwd
 230        -> Jump
 231        -> Jump_PI
 232
 233 */