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Improved handling frame numbers to have a smoother progress display during replay of recordings with B-frames

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This commit is contained in:
Klaus Schmidinger
2016-12-22 11:33:12 +01:00
parent fd85701a84
commit be4cdcf170
9 changed files with 120 additions and 44 deletions
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7
player.h
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: player.h 4.1 2016/12/22 09:22:27 kls Exp $
* $Id: player.h 4.2 2016/12/22 10:38:11 kls Exp $
*/
#ifndef __PLAYER_H
@@ -57,6 +57,10 @@ public:
virtual bool GetIndex(int &Current, int &Total, bool SnapToIFrame = false) { return false; }
// Returns the current and total frame index, optionally snapped to the
// nearest I-frame.
virtual bool GetFrameNumber(int &Current, int &Total) { return false; }
// Returns the current and total frame number. In contrast to GetIndex(),
// this function respects the chronological order of frames, which is
// different from its index for streams containing B frames (e.g. H264)
virtual bool GetReplayMode(bool &Play, bool &Forward, int &Speed) { return false; }
// Returns the current replay mode (if applicable).
// 'Play' tells whether we are playing or pausing, 'Forward' tells whether
@@ -100,6 +104,7 @@ public:
///< string. The default implementation returns an empty string.
double FramesPerSecond(void) const { return player->FramesPerSecond(); }
bool GetIndex(int &Current, int &Total, bool SnapToIFrame = false) const { return player->GetIndex(Current, Total, SnapToIFrame); }
bool GetFrameNumber(int &Current, int &Total) const { return player->GetFrameNumber(Current, Total); }
bool GetReplayMode(bool &Play, bool &Forward, int &Speed) const { return player->GetReplayMode(Play, Forward, Speed); }
static void Launch(cControl *Control);
static void Attach(void);