gstreamer1.0-plugins-bad: Add directviv to glimagesink to improve playback performance
1.Add a physical buffer uploader in glupload plugin and using viv direct
texture to bind physical continious buffer with texture to avoid memory
copy from videobuffer to texture to gain good performance.
2.Reduce glimagesink load latency by override glimagesink ALLOCATION query to
avoid memory copy.
3.Add configure check for directviv feature.
Signed-off-by: Yuqing Zhu <carol.zhu@nxp.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
