3.0.4 colorspace: fix ARIB STD-B67 constant-luminance EOTF (introduced in 2.6) colorspace: filter negative values from sRGB-like transfer functions common: compilation fixes on esoteric architectures graph: fix active region with chroma subsampling 3.0.3 depth: fix out-of-bounds read in SSE2/AVX2 error diffusion (introduced in 2.5) colorspace: revert SMPTE 240M behavior change (introduced in 3.0.2) 3.0.2 api: default to ZIMG_CPU_AUTO when graph params are null colorspace: fix incorrect SMPTE 240M transfer function colorspace: fix underflow in AVX-512 ST.2084 transfer functions graph: fix conversion from fullrange grey to RGB arm: fix data alignment x86: optimizations for AMD Zen3 processors 3.0.1 graph: fix handling of default nominal_peak_luminance (introduced in 3.0) 3.0 (API 2.4) api: support alpha channel as the fourth plane colorspace: accept UNSPECIFIED transfer characteristics in more situations colorspace: fix conversion from ICtCp to ARIB STD-B67 depth: fix out of bounds access in SSE2 ordered dither graph: rewrite for alpha channel support resize: fix incorrect rounding when calculating pixel coordinates resize: AVX-512 VNNI code paths arm: NEON/ASIMD code paths 2.9.3 resize: add spline64 filter 2.9.2 colorspace: fix crash on invalid conversion from unspec to real primaries x86: additional optimizations for AMD Piledriver x86: optimizations for AMD Zen2 processors 2.9.1: resize: fix incorrect spline36 coefficients (introduced in 2.9) 2.9: colorspace: improve accuracy of SSE2 LUT-based transfer functions depth: AVX2 and AVX-512 code paths for limited range upsampling graph: optimize tile width calculation graph: reduce execution overhead graph: skip processing pixels outside of active window resize: change default bicubic from Mitchell-Netravali to Catmull-Rom resize: make output bit-exact regardless of active window dimensions x86: optimizations for AMD Piledriver and Zen1 processors 2.8: api: rename colorspace enum values colorspace: AVX-512 code paths for commonly used transfer functions colorspace: optimize SSE2 LUT-based transfer functions common: reduce execution overhead depth: increase ordered dither pattern from 8x8 to 16x16 depth: use blue noise instead of white for random dither depth: use different dither pattern on each color component resize: optimize x86 SIMD horizontal downsampling with >8 taps x86: cache detection on AMD processors x86: optimizations for AMD Excavator processors 2.7.5: depth: fix SSE2 byte->float when width+4 is mod16 resize: allow downsampling to very low resolutions 2.7.4: x86: fix crash on Yorkfield (Core 2 Quad) processors (introduced in 2.7) 2.7.3 resize: fix performance drop in certain resampling ratios 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) 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 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 2.6.3 resize: fix crash in AVX-512 resizer with GCC resize: improve cache efficiency in AVX-512 horizontal resizers 2.6.2 depth: fix AVX-512 clamping of negative pixels graph: fix WORD greyscale to YUV conversion 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) 2.6 (API 2.3) 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 2.5.1 depth: fix AVX2 conversion from half to byte/word (introduced in 2.1) 2.5 api: images larger than 16384x16384 rejected on 32-bit (2Gx2G on 64-bit) depth: SSE2 and AVX2 error diffusion implementation resize: AVX2 integer resize implementation x86: fix crash with AVX CPU on non-AVX OS 2.4 colorspace: add support for IEC 61966-2-1 (sRGB) colorspace: transfer function conversion conforms to ITU-R BT.2100 2.3 (API 2.2) api: add 'allow_approximate_gamma' flag to zimg_graph_builder_params colorspace: add support for SMPTE ST.2084 (Dolby PQ) and ARIB STD-B67 (HLG) colorspace: add support for SMPTE ST.432-1 (P3-D65) colorspace: SSE2 and AVX2 LUT-based transfer function implementation 2.2.1: resize: fix crash on horizontal resize with negative shift amount resize: fix illegal instruction on SSE2 horizontal resize with MSVC (introduced in 2.2) 2.2 (API 2.1): api: add fields to zimg_image_format for image active region colorspace: add separate error messages for ill-formed colorspace definition resize: fix crash on negative or zero lanczos tap count resize: improve performance on SSE2 horizontal resize 2.1: graph: optimize resizing to 4:4:4/RGB target graph: optimize resizing with different output pixel type x86: AVX and AVX2 code paths x86: fast half-precision support vszimg: deprecated and removed 2.0.4: graph: fix possible infinite loop when converting integer to float 2.0.3: api: fix handling of unrecognized colorspaces 2.0.2: graph: fix crash when resizing in only one direction 2.0.1: colorspace: fix incorrect gamut processing graph: fix possible buffer overflow on certain widths 2.0 (API 2.0): api: new simplified API for all-in-one conversions api: remove zimg_set_cpu api: add zimg_get_version_info and zimg_get_api_version colorspace: add YCgCo matrix depth: clamp integer output to bit depth limit (e.g. 10-bit => 0-1023) depth: fix incorrect strength of random dither resize: clamp integer output to bit depth limit resize: fix incorrect output for point filter vszimg: new resize.X compatible syntax vszimg: support for color to greyscale conversion 1.1.1: fix border handling in SSE2 horizontal resize 1.1: cache-efficient 2d resizer rewrite horizontal resize kernels fix incorrect strength of ordered dither fix inaccurate error diffusion dither fix integer underflow in SSE2 dither 1.0: initial release
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