restore the environment post encode/decode failure

Change-Id: I3c72e2260a616432eaf1f9545d4fb4d8e45cc7b0

vp8/encoder/x86/denoising_sse2.c:35:10: error: taking the absolute value
of unsigned type 'unsigned int' has no effect [-Werror,-Wabsolute-value]

Change-Id: I749ba8e6f55dbd9b822bfd4260a8397554f5e524

fixes:
vp8\encoder\bitstream.h: same type qualifier used more than once

Change-Id: I62b99342131fdaedb1f7cc8d2dcd13ab34637cd7

Change-Id: I86451ddfa90d871e46e5b4c97794dbef65293c6c

The encoder performance improved by 5% (vs "C")
for the test clip used.

Change-Id: I866b35eb2a06092edce7b37fc409562d0dacd7e7

Set the proper number of mb_rows/cols.
Also remove warnings (unused variable) when configured with temporal-denoising disabled.

Change-Id: I8abd2372394ee55295feb87a66efd294ea6989d0

Fixed reported vs warnings/errors.

Change-Id: Ia4c44d64a69dbd9e1738c6ebb48be29582b7e1d3

C version and sse2 version, and off by default.
For the test clip used, the sse2 performance improved by ~5.6%

Change-Id: Ic2d815968849db51b9d62085d7a490d0e01574f6

Use break instead of goto for early exit. Unbreaks Visual Studio
builds.

Change-Id: I96dee43a3c82145d4abe0d6a99af6e6e1a3991b5

Change-Id: Ibd95df0adf9cc9143006ee9032b4cb2ebfd5dd1b

Change-Id: I95818754424e89f0d56c6d9c0c5709e6f84fa46a

Allow for an option to selectively apply the deblocking loop filter to the denoised
raw block, based on the denoised state (no-filter, filter with zero motion, or filter with non-zero motion)
of the current block and its upper and left denoised block.
This helps to reduce some blocking artifacts from the motion-compensated denoising.

Change-Id: I0ac4e70076df69a98c5391979e739a2681e24ae6

When building x86 assembly use lrand48 instead of the
undocumented inlined _rand function.

Android now supports rand()
https://android-review.googlesource.com/97731
but only for new versions. Original workaround:
https://gerrit.chromium.org/gerrit/15744

Change-Id: I130566837d5bfc9e54187ebe9807350d1a7dab2a

When this compiler flag is enabled, the encoder will write a denoised,
uncompressed, version of the input to denoised.yuv.

Change-Id: Ie0247f76b23219d95fe97dd70f23e097d742c249

Change-Id: I59ef7c49f72d2d40bbe5b56af11bdf5f9ae2f1b8

Change-Id: I0156d85671305326525c4644510e240021eca461

By enabling the OUTPUT_YUV_SRC compiler flag, the encoder will write the raw
input to bd.yuv.

The functionality was mostly implemented, but in its previous state did not
compile.

Change-Id: Ia331ad0f4c6e6f9f51e8d42cd33ba8cc146b3dbf

Now match the "C" version of "Fix to reduce block
artifacts from vp8 temporal denoiser."
(see change id Id9b56e59e33f3c22e79d2f89f763bdde246fdf3f)

Change-Id: I99e569bb6af4ae3532621127e12bf917a48ba08e

In the current logic, if the sse for zero motion is smaller
than the sse for new_mv (i.e., best_sse), we may still end up
using the non-zero mv for denoising (if the magnitude of new_mv is above threshold).
This can happen for very noisy content, and can lead to artifacts.

This change ensures that we always use zero_mv (over new_mv) for
denoisng if sse_zero_mv <= best_sse.

Change-Id: I8ef9294d837b077013b77a46c9a71d17c648b48a

Change-Id: I2b61c8c17ded1074dea92b4f6ad9be84d128b52a

If increase_denoising is set,
vp8_denoiser_filter_neon() produced incorrect results.

Change-Id: I645f78e48b8f6657fa8a4b69d2c4d3488a0581dc

Change-Id: I80630a7350e884ebc4fef73fb5b52ec25f908523

Fixes a bug introduced in
https://gerrit.chromium.org/gerrit/#/c/69779/13, where
uninitialized frame buffers due to corrupt and short
buffer sizes, may cause a crash.

This patch fixes the currently failing
video/processing/static_image/vp8_convert_test

Change-Id: I1b09e21482f292c11a2bfb4e570aef1d643410a7

If the denoiser filter causes too big a change in the absolute pixel difference
(between source and denoised signal), the block is not denoised, which can cause
visual block artifacts. This change applies a second adjustment to the temporal filter
to effectively allow for a (weaker) denoising for such blocks (which can keep
the absolute differnence within the tolerance range in most cases).
This helps to reduce some of the block artifacts from the denoising.
The additional cost of re-applying the filter to this set of blocks is low,
as the percentage of blocks per frame (with too big a change in absolute pixel difference)
is typically small, 2-5%.

Change-Id: Id9b56e59e33f3c22e79d2f89f763bdde246fdf3f

Renames all x86_64 specific assembly files to consistently
end in _x86_64.asm. This will be useful for build systems to
handle these files differently.
All new 64-bit specific assembly files should use the new
naming convention.

Change-Id: I36c89584967c82ffc4088b1b5044ac15d2bb7536

MMX variance code in vp8 was reading out of bounds..

TODO(JBB):  The best fix would involve removing duplicate library
functions between vp8 and vp9...

Change-Id: I5722853a6a58d3b55257ff385fa54c773bf98ded

Change-Id: I96ed73e109c4f89dd06f3583cf7ecf9277401fae

These optimizations are currently disabled.

Change-Id: I19c58c9cb82d017638b86196641b9e001dfa798b

This reverts commit 7ab9a958

Nightly test http://build.webmproject.org/jenkins/view/libvpx-nightly-tests/job/libvpx%20unit%20tests%20(valgrind-2)/arch=x86_64-linux-gcc,filter=-*VP8*:*Large.*/276/console

Failed 

This patch did not address all the assembly issues 
some of the vp8 assembly counts on 5 arguments being passed in to this function:   

one example : vp8_sad8x16_wmt

Please address or split this into vp9 and vp8 patches.

Change-Id: I78afcc171649894f887bb8ee3c66de24aaddc7ca

With the intrinsics it is no longer necessary to have a stub/helper
function.

Change-Id: I3695961c3c94f1bb750d3b7b29716e509ebba482

Allow disabling the more generic NEON code.
Use filtered option to disable rtcd code.

Change-Id: Icb4500c1a2bac16eed3c5e3ec0c35e92e6bbbb9f

This reverts commit 06e6d56f

Change-Id: If95598385b693945d6b144d03b6da8f6a57dac98

As a side-effect, the max_sad check is removed from the
C-implementation of VP8, for consistency with VP9, and to
ensure that the SAD tests common to VP8/VP9 pass.
That will make the VP8 C implementation of sad a little slower
but given that is rarely used in practice, the impact will be
minimal.

Change-Id: I7f43089fdea047fbf1862e40c21e4715c30f07ca

This reverts commit 81ad047e.
Revert "VP8 for ARMv8 by using NEON intrinsics 15"
This reverts commit 727af7ce.

This exposes a bug in gcc 4.9 regarding register allocation. Will reland
when 4.9 is fixed.

Change-Id: I2d8a04e4edde93719280e41550f4c0765608ec4d

Allow selectively building just the intrinsics for armv8

Change-Id: I2f29b2e4508b8b8e5649c2906b3159ad1d4ec477

Some version of clang refuse 'asm volatile'

Change-Id: I79d909ac8ae3c04b608f20c6f10fa79b7f9fc8e0

This reverts commit e516a425

Change-Id: I7c78712acc737ad5f580181cdab3aa76b23f3ca5

Both GCC and RVCT/ARMCC support __builtin_prefetch, but MSVC
doesn't.

Change-Id: I44e1eecead61bc88d8fdfd3fef03d76d4f5afe08

This fixes building with MSVC.

Change-Id: I763ba8855c8083d82c8b477d3a297e310e93a335

This reverts commit c500fc22

There is an issue with gcc 4.6 in the Android NDK:
loopfiltersimpleverticaledge_neon.c: In function 'vp8_loop_filter_bvs_neon':
loopfiltersimpleverticaledge_neon.c:176:1: error: insn does not satisfy its constraints:

Change-Id: I95b6509d12f075890308914cc691b813d2e5cd9f