VP9 preview bitstream 2, commit '868ecb55'

Conflicts:
	vp9/vp9_common.mk

Change-Id: I3f0f6e692c987ff24f98ceafbb86cb9cf64ad8d3

Use local variable for setting the improved prediction mode.
cpi->sf.improved_mv_pred is set/fixed at the frame level
and should not be changed inside pick_inter_mode.

Change-Id: Ie28d9171ac000e631af0e30204970e3d4fff3078

Change-Id: If5d4b7ffa67223ed72b53a6c9b9e42b4de5718f2

the one from gtest in this case: testing::internal::Random.
this will make the tests deterministic between platforms. addresses
issue #568.

Change-Id: I5a8a92f5c33f52cb0a219c1dd3d02335acbbf163

Allow more careful targeting of compiler flags.

Change-Id: I963ab4a6479dedb165419310dfca52a58a9877b8

Rename the file and clean up includes. In the future we would like to
pattern match the files which need additional compiler flags.

Change-Id: I2c76256467f392a78dd4ccc71e6e0a580e158e56

Uncommenting Track elements related to BlockAdditional and adding
the new AlphaMode element as specified in the matroska spec here:
http://matroska.org/technical/specs/index.html#AlphaMode

Change-Id: I87895931e8885e4832efa74776ab1bea91a634e2

This fixes uninitialized reads in the trellis, and probably makes the
trellis do something again.

Change-Id: Ifac8dae9aa77574bde0954a71d4571c5c556df3c

This threshold effectively limits the amount of motion
from one end of a GF/ARF group to the other.
This patch makes the threshold depend on image size.

Change-Id: Id45d1d7bced815f86ddd037be53164894b00b82f

Crash fix only. No functional change or testing.

Change-Id: I0c6d114d024c29fc11ae61666f5938f11b01dd6a

Change-Id: Ifda91d697c5970c65ce3ec1feac5562124f91782

Extracting decode_tiles function from vp9_decode_frame.

Change-Id: I02a465eeaf76138ef3559e1d46deb452c10e1219

Adding b_mv_pred_row and b_mv_pred_col functions, updating
mi_mv_pred_row and mi_mv_pred_row functions.

Change-Id: I9af068442d4474478375943cc6fce1605d6fc0a5

Removing redundant code, lower case variable names, better indentation,
better parameter names, adding const to readonly parameters.

Change-Id: Ibfdee00f60316fdc5b3f024028c7aaa76a627483

Extracting setup_frame_size and update_frame_context functions. Introducing
vp9_read_prob function as shortcut for (vp9_prob)vp9_read_literal(r, 8).

Change-Id: Ia5c68fd725b2d1b9c5eb20f69cacb62361b5a3dd

Moving almost identical code to decode_sb32 and decode_sb64 functions.

Change-Id: Id39377aa5106be85d5b0fc3f83586b3779a6c0da

Small modification of idct code.

Change-Id: I5c4e3223944c68e4ccf762f6cf07c990250e4290

Restore ABI compatibility with the master branch.

Change-Id: Ie9f6fdf536662bd87dfcf114d16f003422670763

Restore ABI compatibility with the master branch.

Change-Id: Ic57e7e1de09ab33bd37990e52a63ba7c8f1432a4

Wrote sse2 version of vp9_short_idct_32x32 function. Compared
to c version, the sse2 version is 5X faster.

Change-Id: I071ab7378358346ab4d9c6e2980f713c3c209864

Pick up VP8 encryption, quantization changes, and some fixes to vpxenc

Conflicts:
	test/decode_test_driver.cc
	test/decode_test_driver.h
	test/encode_test_driver.cc
	vp8/vp8cx.mk
	vpxdec.c
	vpxenc.c

Change-Id: I9fbcc64808ead47e22f1f22501965cc7f0c4791c