[gstreamer-vaapi-master][iHD_SKL] [VP8_decode] "ivfparse0: Internal data stream error" error message occurs during run VP8 decoding cases with iHD driver on SKL

Submitted by zj,wang

Link to original bug (#791553)

Description

Test Env:

Platform: SKL
Arch: x86_64
Kernel: 4.12.0-rc2
libva: master branch df544cd5a31e54d4cbd33a391795a8747ddaf789
repo: https://github.com/01org/libva.git
media_driver: master branch 81796c8a9e44b878e26064c898e0f4730e8220cf
repo: https://github.com/intel/media-driver
gmmlib: repo: https://github.com/intel/gmmlib
gst-vaapi: master branch b0d41c5d

Reproduce Steps:

1. build env as above lists or according to wiki https://github.com/intel/media-driver
2. take one case for example, run command
   gst-launch-1.0 -q filesrc location=/media//vp8/vp80-00-comprehensive-002.ivf '!' ivfparse '!' vaapivp8dec '!' vaapipostproc format=i420 '!' checksumsink2 frame-checksum=FALSE file-checksum=TRUE plane-checksum=FALSE
3. error info. as below
   0:00:00.090096521 4162 0x1d17230 ERROR vaapivideomemory gstvaapivideomemory.c:278:map_vaapi_memory: failed to make image current
   0:00:00.090122526 4162 0x1d17230 ERROR default video-frame.c:161:gst_video_frame_map_id: failed to map video frame plane 0
   0:00:00.090148982 4162 0x1d17230 ERROR checksumsink2 gstchecksumsink.c:381:gst_cksum_image_sink_render:<cksumimagesink0> failed to map frame
   ERROR: from element /GstPipeline:pipeline0/GstIvfParse:ivfparse0: Internal data stream error.
   Additional debug info:
   gstbaseparse.c(3597): gst_base_parse_loop (): /GstPipeline:pipeline0/GstIvfParse:ivfparse0:
   streaming stopped, reason error (-5)
   d41d8cd98f00b204e9800998ecf8427e