basesink: seeking issue when async is set to false
Submitted by Eunhae Choi
If I set the async property to false of sink element, seeking does not works well.
Forward seeking seems like okey but backward seeking does not work.
You can check the issue with gst-play-1.0.
gst-play-1.0 /home/eunhye/content/mp3/piano.mp3 --audiosink="pulsesink async=false"