Frames dropped by vdpausink

[Jérémy Lauraire]

*Hi,*
**
*I have built an application from the appsrc-stream.c example with the
following pipeline : playbin2 videosink="vdpauvideopostprocess ! vdpausink".
*
**
*It works well with ligth videos (720*576) but shows frames dropping when
playing HD (1980*1080). The result is like a 2fps video......... :/ instead
of 25!*
**
*Please see the ERROR/WARN messages log below :*

*********************** Log from the app
***********************************************

$ GST_DEBUG="*:2" ./myapp

0:00:00.015285927 17810 0x7fcae0 WARN GST_REGISTRY
gstregistry.c:1178:gst_registry_scan_path_level:<registry0> ignoring old
plugin /usr/lib/gstreamer-0.10/libgstvalve.so which has been merged into the
corelements plugin

vdpauBinPad created!

(<unknown>:17810): GStreamer-CRITICAL **: gst_element_get_static_pad:
assertion `GST_IS_ELEMENT (element)' failed

(<unknown>:17810): GStreamer-CRITICAL **: gst_pad_link_full: assertion
`GST_PAD_IS_SRC (srcpad)' failed

(<unknown>:17810): GStreamer-CRITICAL **: gst_object_unref: assertion
`object != NULL' failed

Playing...

31060 Kbps 3 frames received 20 fps

 0:00:00.178648808 17810 0xb24ea0 WARN bin
gstbin.c:2380:gst_bin_do_latency_func:<play-bin> did not really configure
latency of 0:00:00.000000000

35340.4 Kbps 62 frames received 22.5926 fps

 0:00:02.746319928 17810 0xb29760 WARN basesink
gstbasesink.c:2866:gst_base_sink_is_too_late:<vdpau-sink> warning: De
nombreux tampons sont éliminés [=> many buffers dropped]

0:00:02.746351884 17810 0xb29760 WARN basesink
gstbasesink.c:2866:gst_base_sink_is_too_late:<vdpau-sink> warning: There may
be a timestamping problem, or this computer is too slow.

35287 Kbps 91 frames received 22.5 fps

 0:00:04.011342948 17810 0xb29760 WARN basesink
gstbasesink.c:2866:gst_base_sink_is_too_late:<vdpau-sink> warning: De
nombreux tampons sont éliminés [=> many buffers dropped]....................
and so on
*****************************************************

*What is going wrong? How can I avoid frame dropping from vdpau-sink?*
**
*Tks.*
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