Changelog for libzimg2-2.7.4-1.6.x86_64.rpm :
Tue Feb 13 13:00:00 2018 enzokielAATTkabelmail.de
- Update to version 2.7.4
+ x86: fix crash on Yorkfield (Core 2 Quad) processors
(introduced in 2.7)
- Version 2.7.3
+ resize: fix performance drop in certain resampling ratios
- Version 2.7.2
+ graph: fix image corruption in certain conversions (introduced
in 2.7)
+ resize: fix AVX-512 horizontal resize with certain widths
(introduced in 2.6)
- Version 2.7.1
+ colorspace: fix incorrect ST.428 primaries (introduced in 2.7)
+ colorspace: preserve BTB/WTW when approximate_gamma is set
+ colorspace: optimize handling of IEC 61966-2-4 transfer
characteristics
- Version 2.7
+ colorspace: add support for additional matrix/transfer/primaries
+ graph: reduce buffer copies when converting from grey to color
+ graph: reduce buffer copies when performing colorspace conversion
+ graph: process input planes separately when possible
+ graph: optimize calculation of tile width
+ x86: automatic cache size detection for Intel processors
- Version 2.6.3
+ resize: fix crash in AVX-512 resizer with GCC
+ resize: improve cache efficiency in AVX-512 horizontal resizers

Fri Nov 3 13:00:00 2017 joerg.lorenzenAATTki.tng.de
- Update to version 2.6.2
+ depth: fix AVX-512 clamping of negative pixels
+ graph: fix WORD greyscale to YUV conversion

Tue Oct 3 14:00:00 2017 joerg.lorenzenAATTki.tng.de
- Update to version 2.6.1
+ depth: fix SSE2 conversions with mod4 and mod8 widths
(introduced in 2.6)
+ resize: fix heap corruption in AVX2 horizontal resizer
(introduced in 2.6)

Fri Aug 18 14:00:00 2017 joerg.lorenzenAATTki.tng.de
- Update to version 2.6
+ api: add ZIMG_CPU_AUTO_64B for AVX-512 compatibility
+ colorspace: add support for ITU-R BT.2100 ICtCp
+ colorspace: add support for constant luminance ITU-R BT.2100 HLG
+ colorspace: add support for SMPTE ST.431-2 (traditional DCI-P3)
+ colorspace: add support for chromaticity-derived NCL/CL matrices
+ colorspace: assume 1000 cd/m^2 peak luminance for HLG
+ colorspace: fix crash on bad colorspace definition
+ depth: optimized SSE2/AVX2 conversions with 8/16-bit input
+ resize: optimized AVX2 horizontal upsampler memory usage
+ resize: optimized x86 SIMD function calling
+ x86: AVX-512 code paths for key functions

Thu Jun 22 14:00:00 2017 joerg.lorenzenAATTki.tng.de
- Update to version 2.5.1
+ depth: fix AVX2 conversion from half to byte/word
(introduced in 2.1).

Thu Mar 30 14:00:00 2017 joerg.lorenzenAATTki.tng.de
- Initial package, version 2.5