vdr  1.7.31
include/vdr/dvbplayer.h
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1 /*
2  * dvbplayer.h: The DVB player
3  *
4  * See the main source file 'vdr.c' for copyright information and
5  * how to reach the author.
6  *
7  * $Id: dvbplayer.h 2.1 2012/02/19 11:40:36 kls Exp $
8  */
9 
10 #ifndef __DVBPLAYER_H
11 #define __DVBPLAYER_H
12 
13 #include "player.h"
14 #include "thread.h"
15 
16 class cDvbPlayer;
17 
18 class cDvbPlayerControl : public cControl {
19 private:
21 public:
22  cDvbPlayerControl(const char *FileName, bool PauseLive = false);
23  // Sets up a player for the given file.
24  // If PauseLive is true, special care is taken to make sure the index
25  // file of the recording is long enough to allow the player to display
26  // the first frame in still picture mode.
27  virtual ~cDvbPlayerControl();
28  bool Active(void);
29  void Stop(void);
30  // Stops the current replay session (if any).
31  void Pause(void);
32  // Pauses the current replay session, or resumes a paused session.
33  void Play(void);
34  // Resumes normal replay mode.
35  void Forward(void);
36  // Runs the current replay session forward at a higher speed.
37  void Backward(void);
38  // Runs the current replay session backwards at a higher speed.
39  int SkipFrames(int Frames);
40  // Returns the new index into the current replay session after skipping
41  // the given number of frames (no actual repositioning is done!).
42  // The sign of 'Frames' determines the direction in which to skip.
43  void SkipSeconds(int Seconds);
44  // Skips the given number of seconds in the current replay session.
45  // The sign of 'Seconds' determines the direction in which to skip.
46  // Use a very large negative value to go all the way back to the
47  // beginning of the recording.
48  bool GetIndex(int &Current, int &Total, bool SnapToIFrame = false);
49  // Returns the current and total frame index, optionally snapped to the
50  // nearest I-frame.
51  bool GetReplayMode(bool &Play, bool &Forward, int &Speed);
52  // Returns the current replay mode (if applicable).
53  // 'Play' tells whether we are playing or pausing, 'Forward' tells whether
54  // we are going forward or backward and 'Speed' is -1 if this is normal
55  // play/pause mode, 0 if it is single speed fast/slow forward/back mode
56  // and >0 if this is multi speed mode.
57  void Goto(int Index, bool Still = false);
58  // Positions to the given index and displays that frame as a still picture
59  // if Still is true.
60  };
61 
62 #endif //__DVBPLAYER_H