Revert "VP8: Restore slice data offset for compatibility"

This reverts commit 770c41ac9ddc3291a78308a402e641dc03f6ae54.
Now using updated slice data offsets compatible with the
1.3.0 libva-intel-driver release.
Merge pull request #4 from halleyzhao/master

vp8dec: follows va_vp8_dec.h parameters clarification
psb_CreateSurfaces2: Fix memory leak

Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
tng_vp8: Add better checks on frame concealment.

Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
psb_video: Remove MPEG4 from EC checks

Not supported.

Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
psb_video: Fix potential coherency issue

When two threads attempt to call into the driver, if obj_surface is set as
static for EC, another thread will also use the same obj_surface for EC.
Potentially the other thread could destroy the surface killing the other
thread.

Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
psb_video: refine VP8 Decoding API

To follow proposed change/clarification for dec_va_vp8.h,
refine VP8 Decoding API.

Changes to dec_va.vp8.h are below,
1. Remove mb_skip_coeff from VAPictureParameterBUfferVP8
2. num_of_partitions count the control partition

BUG= BZ: 158760, JIRA: CHRMOS-1062
TEST="update psb_video and libmix, run test in CHRMOS-1062.
      The video should not show corruption and color
      artifacts"

Change-Id: I649907ce2cfd07685a4acf4d3f08f3575ffcf8a0
Signed-off-by: Tianmi Chen <tianmi.chen@intel.com>
Signed-off-by: Sameer Kibey <sameer.kibey@intel.com>
Revert "Merge pull request #4 from halleyzhao/master"

This reverts commit dbf5ab260cece78f251e054d243e42e3410d2a3b, reversing
changes made to b3e63dc7faaad91f1118b5110c61da27c829fe57.

This duplicates a pending pull request which also fixes a webrtc quality
issue.  In addition the pending pull request is consistent with the Android
code base.

Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Merge pull request #5 from skibey/master

psb_video: refine VP8 Decoding API
remove the work around of codec bug

Change-Id: I1de4b449f12fa6eefeee3730eb35d08fcc94261d
Merge pull request #6 from 01org/halley

remove the work around of codec bug