Change-Id: I7bc991abea383db1f86c1bb0f2e849837b54d90f

This function now has an AVX intrinsics version which is about 80%
faster compared to the C implementation. This provides a 2-4% total
speed-up for encode, depending on encoding parameters. The function
utilizes 3 properties of the cost function lookup table, constructed
in 'cal_nmvjointsadcost' and 'cal_nmvsadcosts'.
For the joint cost:
  - mvjointsadcost[1] == mvjointsadcost[2] == mvjointsadcost[3]
For the component costs:
  - For all i: mvsadcost[0][i] == mvsadcost[1][i]
        (equal per component cost)
  - For all i: mvsadcost[0][i] == mvsadcost[0][-i]
        (Cost function is even)
These must hold, otherwise the AVX version of the function cannot be used.

Change-Id: I6c2791d43022822a9e6ab43cd124a773946d0bdc

This reverts commit f1342a7b.

This breaks 32-bit builds:
 runtime error: load of misaligned address 0xf72fdd48 for type 'const
__m128i' (vector of 2 'long long' values), which requires 16 byte
alignment

+ _mm_set1_epi64x is incompatible with some versions of visual studio

Change-Id: I6f6fc3c11403344cef78d1c432cdc9147e5c1673

This function now has an AVX intrinsics version which is about 80%
faster compared to the C implementation. This provides a 2-4% total
speed-up for encode, depending on encoding parameters. The function
utilizes 3 properties of the cost function lookup table, constructed
in 'cal_nmvjointsadcost' and 'cal_nmvsadcosts'.
For the joint cost:
  - mvjointsadcost[1] == mvjointsadcost[2] == mvjointsadcost[3]
For the component costs:
  - For all i: mvsadcost[0][i] == mvsadcost[1][i]
        (equal per component cost)
  - For all i: mvsadcost[0][i] == mvsadcost[0][-i]
        (Cost function is even)
These must hold, otherwise the AVX version of the function cannot be used.

Change-Id: I184055b864c5a2dc37b2d8c5c9012eb801e9daf6

Source noise level estimate is also useful for
setting variance encoder parameters (variance thresholds,
qp-delta, mode selection, etc), so allow it to be used also
if denoising is not on.

Change-Id: I4fe23d47607b4e17a35287057f489c29114beed1

A new version of vp9_highbd_error_8bit is now available which is
optimized with AVX assembly. AVX itself does not buy us too much, but
the non-destructive 3 operand format encoding of the 128bit SSEn integer
instructions helps to eliminate move instructions. The Sandy Bridge
micro-architecture cannot eliminate move instructions in the processor
front end, so AVX will help on these machines.

Further 2 optimizations are applied:

1. The common case of computing block error on 4x4 blocks is optimized
as a special case.
2. All arithmetic is speculatively done on 32 bits only. At the end of
the loop, the code detects if overflow might have happened and if so,
the whole computation is re-executed using higher precision arithmetic.
This case however is extremely rare in real use, so we can achieve a
large net gain here.

The optimizations rely on the fact that the coefficients are in the
range [-(2^15-1), 2^15-1], and that the quantized coefficients always
have the same sign as the input coefficients (in the worst case they are
0). These are the same assumptions that the old SSE2 assembly code for
the non high bitdepth configuration relied on. The unit tests have been
updated to take this constraint into consideration when generating test
input data.

Change-Id: I57d9888a74715e7145a5d9987d67891ef68f39b7

If high bit depth configuration is enabled, but encoding in profile 0,
the code now falls back on optimized SSE2 assembler to compute the
block errors, similar to when high bit depth is not enabled.

Change-Id: I471d1494e541de61a4008f852dbc0d548856484f

Change-Id: I20c7b42631b579fade6cf7ebf6d4c69b2fcb5e5e

The forward 32x32 2D-DCT functions are aligned in vpx_dsp folder.
The vp9_dct.h file is not effectively used now.

Change-Id: Ie7946b6fdd784b8e91496242337bc9002c75c281

This completes the forward transform functions layout refactoring.

Change-Id: I996fb0fb795f41e2040f7b21db985774098aedbd

Move the 32x32 2D-DCT implementations from vp9/ to vpx_dsp/.

Change-Id: Id3980696f8b69906ff7a59ff9fb2b9013d60047d

~60-70% faster depending on the block size

Change-Id: Icdbaa9977a91a63cbcc6ead0cf19d5a2af7f27e1

Change-Id: Iba03852ce778c956200818e3473cfb2b48cf8d8e

This commit factors the 4x4, 8x8, and 16x16 2D-DCT forward
transform operations into vpx_dsp folder.

Change-Id: I084b117b79c0925edcbcabb93f62b9f4bf8dbe7d

Change-Id: Id27e0007a0feac821ca66bcecbf3a723305da82d

The following quantization functions were moved:
vp9_quantize_b
vp9_quantize_b_32x32
vp9_highbd_quantize_b
vp9_highbd_quantize_b_32x32

vp9_quantize_dc
vp9_quantize_dc_32x32
vp9_highbd_quantize_dc
vp9_highbd_quantize_dc_32x32

The purpose of doing that was to allow these functions to be shared
by multiple codecs.

Change-Id: Id8ab939f283353cdd07bd930d47db3d932a5d87f

Change-Id: I66bf6720c396c89aa2d1fd26d5d52bf5d5e3dff1

Parag Salasakar authored Jul 05, 2015 and James Zern committed Jul 06, 2015

Change-Id: If88401bf8c5d8ee58200278734d7a5058d1585d0

Factor out the subtraction operator as common function.

Change-Id: I526e703477c6a290e0e3e3c8898f8bb1ca82779b

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

Change-Id: I374fcd8fb45a6893dcdeac6896671be142a99f06

average improvement ~3x-5x

Change-Id: I4cbba2711467b0e205904769ebbb4a1fcbb1a311

average improvement ~4x-5x

Change-Id: Iad9c0a296dbc2ea96d000bd009077999ed58a3c5

average improvement ~3x-4x

Change-Id: Idbe4d13a00d05ff8be6559b116f416e42c3b4097

average improvement ~3x-4x

Change-Id: If0fdcc34b17437a7e3e7fb4caaf1067bc175f291

average improvement ~2x-3x

Change-Id: I76f7fc00c0ffdf2b4ba41bf3819f3b6044bcdeff

average improvement ~2x-3x

Change-Id: Idf8be780b8b4228fc91f110a94e4ee1fd9af0163

average improvement ~4x-5x

Change-Id: I37582efc2622bc20b2bf99617a76110ab24e9f6a

average improvement ~4x-6x

Change-Id: Ibcac3ef8ed5e207cf8c121e696570e6b63d3c0f4

average improvement ~4x-6x

Change-Id: Id3b2243e5b3c7844c90c4231a5e75fa69911362c

subpel functions will be moved in another patch.

Change-Id: Idb2e049bad0b9b32ac42cc7731cd6903de2826ce

this file shouldn't be built directly, it is included in vp9_dct_sse2.c
to create a non-high-bitdepth and a high-bitdepth version

silences missing prototype warnings for the unused FDCT* functions

Change-Id: Ide6ff8c24ab31bdb0f833260505ae33660a1ad5b

this file shouldn't be built directly, it is included in vp9_dct_sse2.c
to create a non-high-bitdepth and a high-bitdepth version

silences missing prototype warnings for the unused FDCT32x32* functions

Change-Id: I0e38f16dae5ea1728de184ee2c89287d48675c51

this file shouldn't be built directly, it is included in vp9_dct_avx2.c
to create a non-high-bitdepth and a high-bitdepth version

silences missing prototype warnings for the unused FDCT32x32* functions

Change-Id: I4c19935c0e035b393be513bde735e9a78064a494

Create a new component, vpx_dsp, for code that can be shared
between codecs. Move the SAD code into the component.

This reduces the size of vpxenc/dec by 36k on x86_64 builds.

Change-Id: I73f837ddaecac6b350bf757af0cfe19c4ab9327a

Change-Id: Iedceeb020492050063acf3fd2326f96c29db9ae5

PSNR HVS is a human visual system weighted version of SNR that's
gained some popularity from academia and apparently better matches
MOS testing.

This code is borrowed from the Daala Project but uses our FDCT code.

Change-Id: Idd10fbc93129f7f4734946f6009f87d0f44cd2d7

This code appeared in the Daala project first and was originally
committed by Nathan Egge.

Change-Id: Iadce416a091929c51b46637ebdec984cddcaf18c

exclude files that only contain functions for non-high-bitdepth builds.
this removes some warnings related to missing prototypes

Change-Id: Ic6642998c46a7b808c6c53b2f9c34bcd4d037abe

Simple skin detection, from vp8; works reasonable on most of the
RTC clips, but could miss sometimes.

Added debug flag to write out skin map over source input.

Change-Id: I2caea7592f1c459047aac46627eeb24a94946464