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1013 Commits

Author SHA1 Message Date
fbarchard@google.com
812f59ed40 box and point sampling use scaledownby4 but linear and bilinear do not. 
BUG=427
TESTED=out\release\libyuv_unittest --gtest_filter=*.ScaleDownBy4_*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/51689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1373 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-17 18:04:09 +00:00
fbarchard@google.com
e52b9c3405 make box filter upsampler consider a pixel width of less than 1 to be 1. This makes it behave as a point sampler. 
BUG=428
TESTED=set LIBYUV_WIDTH=1900 && out\release\libyuv_unittest.exe
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/49709004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1372 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-16 21:02:16 +00:00
fbarchard@google.com
c9986313ac lsl by 2 requires a number sign for xcode on ios 64 bit build. add the # sign for ios compatibility. remove legacy x86 asm files that are unused. the unused files cause complications in build systems that build all files. 
BUG=libyuv:423
TESTED=try bots
R=noahric@google.com

Review URL: https://webrtc-codereview.appspot.com/45119004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1369 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-14 19:57:33 +00:00
fbarchard@google.com
32ad6e0e12 Remove unused variable 'I422ToRGB565Row' that breaks osx builds. 
BUG=426
TESTED=untested

Review URL: https://webrtc-codereview.appspot.com/48079004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1368 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-14 02:50:35 +00:00
fbarchard@google.com
013e812275 Port box filter to AVX2. 
BUG=libyuv:425
TESTED=c:\intelsde\sde -ast -hsw -- out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*libyuvTest.ScaleTo640x360_Box
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/43149004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1367 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-14 00:21:15 +00:00
fbarchard@google.com
b5ea79d845 add rows handle height of 1 using a more general while-style loop. 
BUG=none
TESTED=try bots

Review URL: https://webrtc-codereview.appspot.com/45999004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1366 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-13 18:56:08 +00:00
fbarchard@google.com
c7161d1c36 Remove code alignment declspec from Visual C versions for vs2014 compatibility. 
BUG=422
TESTED=local vs2013 build still passes.

Review URL: https://webrtc-codereview.appspot.com/45959004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1365 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-12 23:54:26 +00:00
fbarchard@google.com
1eb51bcf01 Fix bug in YUV to RGB for gcc/clang and enable affected functions. 
BUG=393
TESTED=sde -ast -hsw -- out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*I422ToARGB*

Review URL: https://webrtc-codereview.appspot.com/48019004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1364 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-08 02:32:33 +00:00
fbarchard@google.com
bb5a009d11 ARGB4444ToARGB and ARGB1555ToARGB ported to AVX2. 
BUG=421
TESTED=out\release\libyuv_unittest --gtest_filter=*ARGB4444ToARGB*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/48009004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1363 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-07 23:52:57 +00:00
fbarchard@google.com
8b9f908134 RGB565ToARGB AVX2 vzeroupper before the ret, not after. 
BUG=421
TESTED=out\release\libyuv_unittest --gtest_filter=*RGB565ToARGB*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/51549004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1362 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-07 22:53:12 +00:00
yang.zhang@arm.com
5f609856de Add ScaleARGBFilterCols_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleARGBFilterCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Ifea62bc25d846bf16cb51d13b408de7bf58dccd4

Review URL: https://webrtc-codereview.appspot.com/46699004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1361 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-07 03:45:29 +00:00
fbarchard@google.com
3d1176a3f8 ARGBToYJRow_AVX2 hooked up for ARGBToJ422 
BUG=none
TESTED=ARGBToJ422 unittest

Review URL: https://webrtc-codereview.appspot.com/44079004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1360 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-07 00:39:25 +00:00
fbarchard@google.com
8f0b32773c ARGBToUV AVX2 functions hooked up. 
BUG=none
TESTED=RGB565ToI420
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/46829004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1359 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-07 00:10:52 +00:00
fbarchard@google.com
9afabe29b8 Add ARGBToY AVX calls. 
BUG=none
TESTED=libyuv unittests all pass with AVX2
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/44999004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1358 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-06 23:11:05 +00:00
fbarchard@google.com
2827277496 port RGB565ToARGB to AVX2. 
BUG=421
TESTED=out\release\libyuv_unittest --gtest_filter=*RGB565ToARGB*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/49609004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1357 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-06 19:24:23 +00:00
fbarchard@google.com
e2ea106068 shift for arm wants a # sign for nacl and ios. 
BUG=420
TESTED=d:/src/nacl_sdk/pepper_canary/toolchain/win_arm_newlib/bin/arm-nacl-g++ -o newlib/Release/source/scale_neon_arm.o -c source/scale_neon.cc -g -O2 -pthread -MMD -DNDEBUG  -Id:/src/nacl_sdk/pepper_canary/include -Id:/src/nacl_sdk/pepper_canary/include/newlib  -I./include
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/47949004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1356 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-03 23:28:44 +00:00
fbarchard@google.com
44b6ba91e4 Scale down by 4 for odd number of destination pixels using 'any' that handles SIMD for multiple of 8 pixels, and C for the remainder. 
BUG=314
TESTED=local test with width odd

Review URL: https://webrtc-codereview.appspot.com/49599004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1355 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-03 22:12:53 +00:00
fbarchard@google.com
62a9fe303c code style cleanup of scale functions. no functional change. 
BUG=none
TESTED=lint
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/48839004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1354 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-02 21:23:52 +00:00
yang.zhang@arm.com
c00796c4e4 Fix the issue of q4 register not in clobber list for ARMv7 
On ARMv7 platform, q4 is used, but it isn't declared in clobber list.
It results that q4 isn't preserved automatically by compiler. So that the value of q4 is destroyed.

BUG=418
TESTED=libyuvTest.* on ARM32 with Android
R=fbarchard@google.com

Change-Id: Ib9b5eff8231c5057f4d58f1c4029f5452222af55

Review URL: https://webrtc-codereview.appspot.com/47899004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1353 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-04-02 02:33:23 +00:00
fbarchard@google.com
c70c7c02ff scale to half size optimization for avx2 - use pmaddubsw instruction to horizontally add bytes, then pavgw to round and divide by 2. 
BUG=314
TESTED=libyuvTest.ScaleDownBy2*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/45909004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1352 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-31 23:59:27 +00:00
yang.zhang@arm.com
f23d6222ac Add ScaleARGBCols_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleARGBCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Id9ad97f7aa5d8a34cd55ace9e648cb6ff028efd9

Review URL: https://webrtc-codereview.appspot.com/47689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1351 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-31 03:03:05 +00:00
fbarchard@google.com
72673ac873 linear and point sample scale to half size for AVX2. 
BUG=314
TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/44959004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1349 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-30 21:46:08 +00:00
fbarchard@google.com
9ef8999ff3 scale to half size use pmadd/pavgw to horizontal averaging. 
BUG=314
TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/50529004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1348 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-27 18:20:21 +00:00
fbarchard@google.com
e6ca9cc2a2 Scale down by 2 AVX2 port. Processes twice as many pixels as SSE2 and takes advantage of 3 argument instructions to reduce register usage and number of instructions. 
BUG=314
TESTED=libyuvTest.ScaleDownBy2_Box
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/42959004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1347 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-26 23:21:08 +00:00
fbarchard@google.com
d41fbf40dd Handle scale down by factor of 2 efficiently by calling SIMD for multiple of 16 destination pixels, and C for remainder. 
BUG=314
TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2*
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/48689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1344 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-24 23:25:30 +00:00
yang.zhang@arm.com
0d3bfab6db Add nacl macros to ScaleFilterCols_NEON on ARM32/64 platform 
Add the nacl macros to ARM functions. If not, a bunch of code is failing
to validate.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I7a36434f18e0de8b8f8a9fe01167bfe50cff8962

Review URL: https://webrtc-codereview.appspot.com/47739004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1343 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-24 08:02:30 +00:00
fbarchard@google.com
d28cd77f99 Enable assembly for clangcl build on Windows. Previously assembly was disabled so clangcl would work, but only with C code. As clangcl mimics both Visual C and GCC, ifdefs need to pick one or the other or often you'll end up with both. In this CL we disable most Visual C code and use the GCC versions which allow assembly for both 32 and 64 bit intel. 
BUG=412
TESTED=clang=1 build on windows
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/51389004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1341 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-19 20:36:31 +00:00
yang.zhang@arm.com
d6d7de5742 Add ScaleFilterCols_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleFilterCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I5b0838769ffb0182155d7cd6bcc520eb81eb5c4e

Review URL: https://webrtc-codereview.appspot.com/41349004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1340 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-19 03:55:05 +00:00
fbarchard@google.com
70e5c81860 copy width to int64 to pass to assembly to avoid warning on ios 64 bit for implicit: value size does not match register size specified by the constraint and modif 
BUG=413
TESTED=local ios 64 bit build
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/45749004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1338 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 17:56:20 +00:00
fbarchard@google.com
0e4388aea3 I422ToRGB24 AVX2 and I422ToRAW 
BUG=none
TESTED=I422ToRGB24 unittest
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/46619004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1337 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 17:25:27 +00:00
yang.zhang@arm.com
4d387fc619 Add ScaleARGBRowDown2Linear_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleARGBRowDown2Linear_NEON are implemented.

BUG=319
TESTED=libyuvTest.ARGBScale* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Ife602c81b51aa36e0d56b9d628f278a24eed96f6

Review URL: https://webrtc-codereview.appspot.com/44689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1336 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 02:23:59 +00:00
yang.zhang@arm.com
e246e6c18f Add ARGBToRGB565DitherRow_NEON for ARM32/64 
ARM32/64 NEON versions of ARGBToRGB565DitherRow_NEON are implemented.

BUG=407
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Ia689170fb39db964392e5e1113801592ab0628bf

Review URL: https://webrtc-codereview.appspot.com/49409004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1335 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 02:22:25 +00:00
fbarchard@google.com
3b4f5eb7b8 Port J422 colorspace to GCC 
BUG=414
TESTED=try bots
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/43809004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1334 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 00:54:50 +00:00
fbarchard@google.com
92f7f421fd rename I400 to J400 and I400 reference to I400. J400 is a simple replication of values to convert to RGB, which is what the old I400 was. I400 reference is the Y part of the YUV formula, so renaming that to I400. 
BUG=none
TESTED=libyuvTest (5925 ms total)
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/50369005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1333 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-17 00:01:18 +00:00
fbarchard@google.com
35f0add66d cpuid ifdefs fixed to remove some duplicate code cases. 
BUG=none
TESTED=local windows build
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/47619004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1332 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-16 20:02:04 +00:00
fbarchard@google.com
f301777060 Fix YToARGB and tweaks to thresholds in YUV tests. 
BUG=411
TESTED=libyuvTest.TestYToARGB
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/44709004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1330 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-16 19:50:33 +00:00
fbarchard@google.com
f2fad0faa5 Optimized J422ToARGB. 
BUG=414
TESTED=J422ToARGB unittest
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/42799004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1328 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-16 18:08:30 +00:00
fbarchard@google.com
e408a3759f Improve accuracy of J422 color space using higher precission fixed point and bias. 
BUG=414
TESTED=TestFullYUVJ
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/44679004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1327 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-16 18:08:12 +00:00
yang.zhang@arm.com
ca5b1bd58b Add ScaleAddRows_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleAddRows_NEON are implemented.

BUG=319
TESTED=libyuvTest.Scale* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I45b88c2b5f576042ba5b3d8d6f8851257fdb7218

Review URL: https://webrtc-codereview.appspot.com/46379004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1326 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-16 02:57:46 +00:00
fbarchard@google.com
685b92b0a6 I400ToARGB_AVX2 port from SSE2 to AVX2. 
BUG=403
TESTED=libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*I400ToARGB*
R=brucedawson@google.com

Review URL: https://webrtc-codereview.appspot.com/46569004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1322 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-11 18:12:17 +00:00
fbarchard@google.com
f5a7b2b48a I411ToARGB AVX2 version 
BUG=403
TESTED=I411ToARGB unittest
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/42689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1321 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-11 00:08:56 +00:00
fbarchard@google.com
1e4a14f410 scale avoid math overflow in fixed point for large images 
BUG=410
TESTED=set LIBYUV_WIDTH=65536 out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=libyuvTest.ScaleTo320x240_None
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/42319004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1320 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-10 22:30:47 +00:00
fbarchard@google.com
24152b2435 Dither from I420 to RGB565 in 2 steps - I420ToARGB then ARGBToRGB565. 
BUG=407
TESTED=untested
R=brucedawson@google.com, tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/48429004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1315 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-10 01:45:04 +00:00
fbarchard@google.com
cdd80e04c9 Port I444ToARGB to AVX2. 
BUG=403
TESTED=I444ToARGB unittests
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/45589004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1314 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-09 21:56:48 +00:00
fbarchard@google.com
697c5aa831 disable nv12 avx2 for vs9/10 that dont support avx2 instructions. 
BUG=409
TESTED=try bots
R=harryjin@google.com, johannkoenig@google.com

Review URL: https://webrtc-codereview.appspot.com/43629004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1311 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-06 19:12:21 +00:00
fbarchard@google.com
bdeb9ac584 switch from 8x8 to 4x4 matrix for dithering 
BUG=407
TESTED=Dither unittests
R=brucedawson@google.com

Review URL: https://webrtc-codereview.appspot.com/46459004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1310 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-06 18:28:00 +00:00
fbarchard@google.com
0fe4abbc5c ARGBToRGB565 AVX2 with dithering 
BUG=407
TESTED=ARGBToRGB565Dither unittest
R=brucedawson@google.com, harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/44519004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1309 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-04 22:31:43 +00:00
fbarchard@google.com
9245317e16 ARGBToRGB565 SSE2 port. 
BUG=407
TESTED=ARGBToRGB565Dither unittest
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/41039004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1308 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-04 00:00:50 +00:00
yang.zhang@arm.com
274c9bce92 Add ScaleRowDown2Linear_NEON for ARM32/64 
ARM32/64 NEON versions of ScaleRowDown2Linear_NEON are implemented.

BUG=319
TESTED=libyuvTest.ScaleDownBy2_Linear on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I2c7f43a0d56ed4dfded5bdbbb61765d87d65a2ba

Review URL: https://webrtc-codereview.appspot.com/43519005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1307 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-03 02:17:16 +00:00
fbarchard@google.com
693e0217c8 ARGBToRGB565 C version use unsigned dither matrix pattern to bump pixels to next brighter value. 
BUG=407
TESTED=unittest passes
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/43539004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1306 16f28f9a-4ce2-e073-06de-1de4eb20be90
 2015-03-02 23:46:09 +00:00