1. Testing Steps:
========================================================================
gst-launch-1.0 filesrc location=/media/mpeg2/sony-ct2.bits '!' mpegvideoparse '!' vaapidecode '!' vaapisink sync=false show-preroll-frame=false

2.Log:
========================================================================
output:
libva info: VA-API version 0.38.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /opt/X11R7/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_38
libva info: va_openDriver() returns 0
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got context from element 'vaapidecode0': gst.vaapi.Display=context, display=(GstVaapiDisplay)NULL;
Redistribute latency...
Redistribute latency...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Got EOS from element "pipeline0".
Execution ended after 0:00:00.321230469
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

dump the .yuv file(attachment),and play it via multiview, the 1st and 2nd frames are duplicate. The Y_MIN is 0.903278.

Y_MIN Y_AVERAGE U_MIN U_AVERAGE V_MIN V_AVERAGE REF_FRAME DUMP_FRAME LOST_FRAMES
0.903278 0.995921  0.936408 0.997307 0.953039 0.998006 24    25          0

following cases also fail:
sony-ct1.bits
sony-ct3.bs
sony-ct4.bs
twilight_zone_mei_MEI.stream17.long

3. Testing Env:
========================================================================
gst_plugins_vaapi10: (master)b76f4825c5e57609b8179f886c371f33bdd6b138
libva:               (master)d3b24b76dfde4daef9d463743971c7522a307092
Libva_intel_driver:  (master)4640d06a8ccb0a12e91bbd00cc3e2423d17ee243

4. Frequency of Occurence:
========================================================================
100%