dvdplayer: allow rewinding at end of stream, do a seek after rewind

xbmc/cores/dvdplayer/DVDPlayer.cpp

@@ -1796,7 +1796,7 @@ void CDVDPlayer::HandlePlaySpeed()
 
     }
     else if (m_CurrentVideo.id >= 0
-          &&  m_CurrentVideo.inited == true
+          &&  (m_CurrentVideo.inited == true || GetPlaySpeed() < 0) // allow rewind at end of file
           &&  m_SpeedState.lastpts  != m_dvdPlayerVideo->GetCurrentPts()
           &&  m_SpeedState.lasttime != GetTime())
     {
@@ -2443,6 +2443,12 @@ void CDVDPlayer::HandleMessages()
           pvrinputstream->Pause( speed == 0 );
         }
 
+        // do a seek after rewind, clock is not in sync with current pts
+        if (m_playSpeed < 0 && speed >= 0)
+        {
+          m_messenger.Put(new CDVDMsgPlayerSeek(GetTime(), true, true, true));
+        }
+
         // if playspeed is different then DVD_PLAYSPEED_NORMAL or DVD_PLAYSPEED_PAUSE
         // audioplayer, stops outputing audio to audiorendere, but still tries to
         // sleep an correct amount for each packet