diff options
Diffstat (limited to 'device.h')
| -rw-r--r-- | device.h | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: device.h 2.4 2009/01/05 16:28:06 kls Exp $ + * $Id: device.h 2.6 2009/01/25 11:04:39 kls Exp $ */ #ifndef __DEVICE_H @@ -477,6 +477,7 @@ private: cTsToPes tsToPesVideo; cTsToPes tsToPesAudio; cTsToPes tsToPesSubtitle; + bool isPlayingVideo; protected: virtual bool CanReplay(void) const; ///< Returns true if this device can currently start a replay session. @@ -487,7 +488,7 @@ protected: ///< Plays the given data block as video. ///< Data points to exactly one complete PES packet of the given Length. ///< PlayVideo() shall process the packet either as a whole (returning - ///< Length) or not at all (returning 0 or -1 and setting 'errno' to EAGAIN). + ///< Length) or not at all (returning 0 or -1 and setting 'errno' accordingly). ///< \return Returns the number of bytes actually taken from Data, or -1 ///< in case of an error. virtual int PlayAudio(const uchar *Data, int Length, uchar Id); @@ -498,14 +499,14 @@ protected: ///< TS replay). Plugins that need to know this Id shall read it from the ///< actual PES data (it's the 4th byte). ///< PlayAudio() shall process the packet either as a whole (returning - ///< Length) or not at all (returning 0 or -1 and setting 'errno' to EAGAIN). + ///< Length) or not at all (returning 0 or -1 and setting 'errno' accordingly). ///< \return Returns the number of bytes actually taken from Data, or -1 ///< in case of an error. virtual int PlaySubtitle(const uchar *Data, int Length); ///< Plays the given data block as a subtitle. ///< Data points to exactly one complete PES packet of the given Length. ///< PlaySubtitle() shall process the packet either as a whole (returning - ///< Length) or not at all (returning 0 or -1 and setting 'errno' to EAGAIN). + ///< Length) or not at all (returning 0 or -1 and setting 'errno' accordingly). ///< \return Returns the number of bytes actually taken from Data, or -1 ///< in case of an error. virtual int PlayPesPacket(const uchar *Data, int Length, bool VideoOnly = false); @@ -542,6 +543,9 @@ public: ///< Gets the current System Time Counter, which can be used to ///< synchronize audio and video. If this device is unable to ///< provide the STC, -1 will be returned. + virtual bool IsPlayingVideo(void) const { return isPlayingVideo; } + ///< \return Returns true if the currently attached player has delivered + ///< any video packets. virtual bool HasIBPTrickSpeed(void) { return false; } ///< Returns true if this device can handle all frames in 'fast forward' ///< trick speeds. @@ -610,8 +614,7 @@ public: ///< Returns -1 in case of error, otherwise the number of actually ///< processed bytes is returned, which must be Length. ///< PlayTs() shall process the packet either as a whole (returning - ///< a positive number, which needs not necessarily be Length) or not at all - ///< (returning 0 or -1 and setting 'errno' to EAGAIN). + ///< Length) or not at all returning 0 or -1 and setting 'errno' accordingly). bool Replaying(void) const; ///< Returns true if we are currently replaying. bool Transferring(void) const; |