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Change-Id: I202d4924e627eec94838741df004ed9259d38b88

The decoding process handles detokenization and reconstruction per
transform block sequentially. There is no need to offset the dqcoeff
buffer according to the transform block index. This allows to
reduce the memory spill and improve cache performance.

Change-Id: Ibb8bfe532a7a08fcabaf6d42cbec1e986901d32d

This commit replaces the vp8_ prefixed subtract function with the
common vpx_subtract_block function. It removes redundant SIMD
optimization codes and unit tests.

Change-Id: I42e086c32c93c6125e452dcaa6ed04337fe028d9

To aid version management for integration with ffmpeg by use
of:
  #ifdef VPX_CTRL_<CTRL_ID>
    ...
  #endif

Change-Id: If550e06de4d3aa3685881f312ce6a86fa9de083b

Change-Id: Ia5044d13c09685c401191fe87fbf90d36203aadd

Change-Id: If88401bf8c5d8ee58200278734d7a5058d1585d0

expose filter_kernels[] and do the table lookup directly

Change-Id: I0b10bff0327c3e01a723736141a9ffd377cd3d20

Adds two new vp9 parameters --min-gf-interval and --max-gf-interval
to enable testing based on frequency of alt-ref frames.

Also adds a unit-test to test enforcement of min-gf-interval.

For both these parameters the default value is 0, which indicates
they are picked by the encoder, based on resolution and framerate
considerations. If they are greater than zero, the specified
parameter is honored.

(Additional note by paulwilkins)
Note that there is a slight oddity in that key frames are also GFs and
considered part of  GF only group. However they are treated as not
being part of an arf group because for arf groups the previous GF is
assumed to be the terminal or overlay frame for the previous group.

(end note)

Change-Id: Ibf0c30b72074b3f71918ab278ccccc02a95a70a0

Factor out the subtraction operator as common function.

Change-Id: I526e703477c6a290e0e3e3c8898f8bb1ca82779b

Change in 92b19906 leads to frame parallel
decode failure in extreme case.

addresses issue #1010

Change-Id: I4fa488dac8e8c584f5eef4cae1640a579130d387

This reverts commit a42df86c.

this change causes MSA/VP9SubpelVarianceTest.Ref and
MSA/VP9SubpelVarianceTest.ExtremeRef failures under
mips32r5el-msa-linux-gnu and mips64r6el-msa-linux-gnu

Change-Id: I40b71a0b774eaeb31f66f795733f95cf360909f7

This reverts commit 61774ad1.

this change causes MSA/VP9SubpelAvgVarianceTest.Ref failures under
mips32r5el-msa-linux-gnu and mips64r6el-msa-linux-gnu

Change-Id: I7fb520c12b2a3b212d5e84b7619a380a48e49bb0

Change the dir name to include more util tools.

Change-Id: Id5b16062803ce5eed872fe2edb36d7e56b32eed8

Added code to reduce the minimum partition size searched
for super blocks at or straddling the edge of the image.

If the first pass has detected formatting bars the "active" edge
may not be the real edge.

Change-Id: I9c4bdd1477e60f162a75fac95ba6be7c3521e05c

Apply a correction to the frame error scores for frames
with inactive regions.

Change-Id: I217840f2efe7eafed3f5b8ddc7c468f1ca3d923c

Correct the ARF boost calculations to partly discount
inactive or very low energy regions of the image.

Examples (formatting bars and 0 energy areas of animated clips).

Change-Id: I241af058d10aba8c67a4deca36deb913047d4561

average improvement ~3x-5x

Change-Id: Ifdb4670d31ae83c4e22a4238293d1377b16c90db

this is tested for each block

Change-Id: I229c6f0e9513fb206bdbce8be9699a4bf4008ca4