Do not increment frame drop count when at EOF.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36419 b3059339-0415-0410-9bf9-f77b7e298cf2
Fix possible hang bug with -ao pcm.

When video stream reached EOF vo_pts would no
longer be updated. This would lead to ao_pcm
hanging since it would wait for the vo_pts
to catch up with its position.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36420 b3059339-0415-0410-9bf9-f77b7e298cf2
Fix a possible crash when DRI failed.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36421 b3059339-0415-0410-9bf9-f77b7e298cf2