Change-Id: I46dd5ce06f36362c6274511cd1531d93926aa9bc

Reading second motion vector only when it has a second ref_frame

Change-Id: Ica72c1cd955832e15ceccda5e5a17b0bfcd83044

Change-Id: I60f2ce77638cf7d2116bc1e64b466942c76644e0

Change-Id: I597645a15fff2d3a1104861a5c90f64394952e0b

Change-Id: I1d556ddf04ab0a98eadf412972a6977c1055446f

This fixes building with MSVC for arm.

Change-Id: Iffae0408e0c68760e87e96b9e17d9df8e8cadb1a

Change-Id: Ia63e2d05fa5dca3fb67788b0f1f28e9802ef27dd

* changes:
  test/: remove some unnecessary extern "C"s
  rtcd.sh: add extern "C" to generated headers

VS2013 Chromium builds failed with:
warning C4742: 'vp9_coefband_trans_8x8plus' has different alignment in

https://code.google.com/p/chromium/issues/detail?id=336620

Change-Id: I865f72bc23ae958531eeb5f497002c12e9a36fcd

Adds an arbitrary-size resize library for use in scaling of input
frames in a non-normative manner in the vp9 encoder. The method
used is as follows:
Downsampling - Uses a 8 tap filter for factor of 2 decimation upto
a size just higher than the desired size. Then interpolates pixels
at a precision of 1/32 pel using a set of 8-tap filters.
Upsampling - Interpolates pixels at a precision of 1/32 pel using
a set of 8-tap filters.

There is no assembly optimization yet.

Change-Id: Ib5b81e174fc139da322bb97c8214d52289d60d8a

Encoder's boarder is still 160, while decoder's boarder will be 32.
With on demand and separate boarder buffer for boarder extension.
The decoder's boarder does not need to to 160 anymore.

Change-Id: I93d5aaff15a33a2213e9761eaa37c5f2870747db

Change-Id: I8d693371a29103769d5bed9d5f9cfe4f58ca3189

Change-Id: I2f85c6b058638571d68a7209779de8ca8168934f

When showing a previously decoded frame, we need to
explicitly set the show_frame flag.

For the current frame being decoded this flag is
explicitly set in the frame header.

This should fix WebM Issue 696:
http://code.google.com/p/webm/issues/detail?id=696

Change-Id: I5751a809813f88d2ca6f62c47c3878475ff9ba8d

The affect on quality was minimal.  Less than .1%, various sets
yt ( +.15%), derf (-.1%), hd ( -.1% ), std hd(-.15%)...

The affect on speed of encode at speed -5 was substantial ( ~3% ).

Change-Id: I8903346fbae0c35f5b9ea20f81fdd239ae81247d

Change-Id: I57a94d2f9e26a872a20d805a506855a20e61c356

Change-Id: Ifb30518555402eb473c3fde81bc860fbe17851dd