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Frank Barchard f553db2d30 HalfFloatPlane unittest for denormal half floats 
Halffloats have a limited range.  It shouldnt normally come up, but if the scale value passed in produces a small value, the half floats will be denormals, which are slow and/or flust to zero.  This test ensures they behave the same in C and SIMD and tests the performance of denormals.

TEST=TestHalfFloatPlane_denormal
BUG=libyuv:560
R=hubbe@chromium.org

Review URL: https://codereview.chromium.org/2424233004 .
2016-10-19 18:13:01 -07:00
build_overrides Add linux_use_bundled_binutils_override = true to build_overrides. 2016-10-12 18:15:21 -07:00
chromium Enable building with Native Client. 2016-04-12 06:40:04 +02:00
docs Remove I411 support. 2016-10-11 11:14:16 -07:00
include HalfFloatPlane unittest for denormal half floats 2016-10-19 18:13:01 -07:00
source HalfFloatPlane unittest for denormal half floats 2016-10-19 18:13:01 -07:00
third_party/gflags Roll chromium_revision 1d144ca7f86..2a818f5413 (375480:395512) 2016-05-24 11:41:04 +02:00
tools landmine to clobber old GYP build artifacts to enable moving to GN. 2016-10-18 08:56:41 +02:00
unit_test HalfFloatPlane unittest for denormal half floats 2016-10-19 18:13:01 -07:00
util Add f16c (halffloat) cpuid 2016-10-14 16:34:08 -07:00
.gitignore Add landmine support 2016-10-17 15:37:47 +02:00
.gn Add GN files that need exec_script to list for win64 clang-cl 2016-10-12 12:46:22 -07:00
all.gyp Android support 2013-11-21 19:57:10 +00:00
Android.mk Add MIPS SIMD Arch (MSA) optimized MirrorRow function 2016-09-22 16:12:22 -07:00
AUTHORS Adding AUTHORS file to libyuv 2011-11-01 20:44:21 +00:00
BUILD.gn HalfFloatPlane unittest for denormal half floats 2016-10-19 18:13:01 -07:00
CMakeLists.txt Add MIPS SIMD Arch (MSA) optimized MirrorRow function 2016-09-22 16:12:22 -07:00
codereview.settings Remove references to svn version control. 2016-09-14 14:54:47 -07:00
DEPS Add landmine support 2016-10-17 15:37:47 +02:00
download_vs_toolchain.py Roll chromium_revision 260824:262938 + fix binutils. Since it's not possible to have platform-specific hooks executing, binutils must be downloaded for all platforms in order for the download.py hook to execute properly on non-unix platforms. 2014-04-11 23:40:41 +00:00
gyp_libyuv Skip running GYP if GYP_CHROMIUM_NO_ACTION is set in environment 2016-04-08 14:01:29 +02:00
gyp_libyuv.py Minor fixes to gyp_libyuv.py 2014-03-28 19:38:05 +00:00
libyuv_nacl.gyp NaCl/GYP: remove references to prep_toolchain from libyuv. prep_toolchain is now a no-op. 2015-04-22 17:42:21 +00:00
libyuv_test.gyp fix warning on visual C for mips cpu detect 2016-09-22 18:25:52 -07:00
libyuv.gni Add MIPS SIMD Arch (MSA) optimized MirrorRow function 2016-09-22 16:12:22 -07:00
libyuv.gyp fix warning on visual C for mips cpu detect 2016-09-22 18:25:52 -07:00
libyuv.gypi Add MIPS SIMD Arch (MSA) optimized MirrorRow function 2016-09-22 16:12:22 -07:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
LICENSE_THIRD_PARTY README.chromium license field for WebView and LICENSE_THIRD_PARTY to show files with special licenses. 2013-04-24 00:12:28 +00:00
linux.mk Remove -lc++ link and document -fno-exceptions 2016-07-06 16:02:17 -07:00
OWNERS Add new OWNERS and remove drover.properties. 2016-02-16 19:53:11 +01:00
PATENTS LibYuv: Adding PATENT and LICENSE files 2011-10-25 16:15:49 +00:00
PRESUBMIT.py PRESUBMIT: Remove GYP trybots 2016-10-18 07:54:36 +02:00
public.mk Android.mk moved into libyuv to central support 2012-09-19 07:27:17 +00:00
README.chromium HalfFloatPlane unittest for denormal half floats 2016-10-19 18:13:01 -07:00
README.md Docs: Fix broken links from README.md 2016-03-15 17:38:14 -07:00
setup_links.py setup_links.py: Use junctions instead of symlinks on Windows. 2016-09-22 18:26:32 -07:00
sync_chromium.py Enable building with Native Client. 2016-04-12 06:40:04 +02:00
winarm.mk Adds files and functions for rotate any, but does not hook them up to the caller. 2015-07-27 10:32:08 -07:00

README.md

libyuv is an open source project that includes YUV scaling and conversion functionality.

  • Scale YUV to prepare content for compression, with point, bilinear or box filter.
  • Convert to YUV from webcam formats.
  • Convert from YUV to formats for rendering/effects.
  • Rotate by 90/180/270 degrees to adjust for mobile devices in portrait mode.
  • Optimized for SSE2/SSSE3/AVX2 on x86/x64.
  • Optimized for Neon on Arm.
  • Optimized for DSP R2 on Mips.

Development

See [Getting started] 1 for instructions on how to get started developing.

You can also browse the [docs directory] 2 for more documentation.