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Profiles 1-3 are stable enough that we can remove the
experimental bitstream commandline option.

Change-Id: Id2a64a08192d7eac6c45384ee34196330351c6d8

Change-Id: Icbcfe7b56d88474f4398b4c5b52f6719d551ab4a

This commit enables the encoder to skip split partition search if
the bigger block size has all non-zero quantized coefficients in low
frequency area and the total rate cost is below a certain threshold.
It logarithmatically scales the rate threshold according to the
current block size. For speed 3, the compression performance loss:
derf  -0.093%
stdhd -0.066%

Local experiments show 4% - 20% encoding speed-up for speed 3.
blue_sky_1080p, 1500 kbps
51051 b/f, 35.891 dB, 67236 ms ->
50554 b/f, 35.857 dB, 59270 ms (12% speed-up)

old_town_cross_720p, 1500 kbps
14431 b/f, 36.249 dB, 57687 ms ->
14108 b/f, 36.172 dB, 46586 ms (19% speed-up)

pedestrian_area_1080p, 1500 kbps
50812 b/f, 40.124 dB, 100439 ms ->
50755 b/f, 40.118 dB,  96549 ms (4% speed-up)

mobile_calendar_720p, 1000 kbps
10352 b/f, 35.055 dB, 51837 ms ->
10172 b/f, 35.003 dB, 44076 ms (15% speed-up)

Change-Id: I412e34db49060775b3b89ba1738522317c3239c8

Incorporates the WRAPLOW macro into the non-highbitdepth transforms
to aid hardware verification between a software C model and an
intended hardware implementation though the use of the configure
options: --enable-experimental --enable-emulate-hardware.
Note that to avoid further discrepancies between the sse/sse2
implementations of the transforms and the C implementation, when the
emulate hardware option is invoked, we also disable sse/sse2/etc.

Also incudes some minor cleanups/renaming etc.

Change-Id: Ib864d8493313927d429cce402982f1c8e45b3287

Adds proper scaling for highbitdepth in a rdopt cost.

Change-Id: I066694799a7f491b830945ef1c66eb202071c355

To fix a VS warning.

Change-Id: I4c530c0afe8d06acdb8cc78b7995aba57a25373d

Change-Id: I59946642cb5c370726da33f4448a3deaba7d3f11

This commit changes the tables to be read only, which fixes
issue #866

Change-Id: I85bbe03f9d344f50570f8c1c61699bdc5cee248f

Change-Id: I777f49a3c2c2aaa04ae23904396bd7254e1afd8c

Change-Id: I0e262ede7eb4a4ae0c86181922d744e542e93350

Change-Id: I034b73bb27e8023733aae63e6f8565f0a64c7267

Change-Id: I5a566d6ade720f212a60c0ad5d6f1ee1d1d37f2e

Fixes an intermittent assert failure for highbitdepth.

Change-Id: If8cad0209a94f1184b69c7b3f1d587934f857d9b

Adds enums and corresponding vpx level code.

Change-Id: Ia402d47490a4466988d7edc6b7e3e5163f20a381

Change-Id: Id92544762e7b96d3c729dfc8e04ecff91cbcc7f9

Change-Id: Icfc3fb62cc0b05e435814035bfe1f2e2870442b4

Miscellaneous bug-fixes for high bitdepth functionality.
With this patch, high bit-depth profiles become mostly functional,
except for an intermittent assert failure issue that is being
tracked.

Change-Id: I6a7fcbdcf1e5b09842e88535f8442d2e1230748c

- iphonesimulator: IOS_VERSION_MIN was declared in the wrong place.
- armv6: linking via ld instead of CXX is basically required.

Change-Id: Iad187691f633dcf2bc3e3590e88084bb926edb76

This commit removes unused header file vp9_onyxc_int.h and repeatedly
included file vpx_ports/mem.h from vp9_block.h

Change-Id: I400b210bd1da48f1880bd50a8f4a6e2c690e15a1

Block transform skipping was implemented based on DCT's energy
conservation property. Modified the thresholds using zero bin
parameters. AC and DC coefficients were checked separately to
allow better identifying of skippable blocks.

Borg test at speed 3 showed:
stdhd set: psnr gain: 0.153%, ssim gain: 0.051%;
derf set: psnr gain: 0.023%, ssim gain: 0.036%

For most test clips, the encoding speedup is 1% - 2%.
parkrun(720p): 7.5% speedup, park_joy(1080p): 3.5% speedup.

Change-Id: If28eb81113a077414f5ca7b021c14f9069b373bb