Update CHANGELOG for v3.2.0-rc2 BUG=aomedia:3165 Change-Id: Iefcd62c1f4d14dda0b2151740468078fe0bdd834
diff --git a/CHANGELOG b/CHANGELOG index 3fccfc1..551b09a 100644 --- a/CHANGELOG +++ b/CHANGELOG
@@ -1,24 +1,32 @@ -2021-10-07 v3.2.0 +2021-10-11 v3.2.0 This release includes compression efficiency and perceptual quality improvements, speedup and memory optimizations, as well as some new features. - New Features - * Introduced speeds 7, 8, and 9 for all-intra mode. - * Introduced speed 10 for real-time mode. + * Introduced speeds 7, 8, and 9 for all intra mode. + * Introduced speed 10 for real time mode. * Introduced an API that allows external partition decisions. + * SVC: added support for compound prediction. + * SVC: added support for fixed SVC modes. - Compression Efficiency Improvements * Intra-mode search improvement. * Improved real time (RT) mode BDrate savings by ~5% (RT speed 5) and ~12% (RT speed 6). The improvement was measured on the video conference set. + * Improved real time mode for nonrd path (speed 7, 8, 9): BDrate + gains of ~3-5%. + * Rate control and RD adjustments based on ML research in VP9. + Modest impact for low resolution but ~0.5-1.0% for HD. - Perceptual Quality Improvements * Added a new mode --deltaq-mode=3 to improve perceptual quality based on a differential contrast model for still images. * Added a new mode –deltaq-mode=4 to improve perceptual quality based on user rated cq_level data set for still images. + * Weighting of some intra mode and partition size choices to better + manage and retain texture. - Speedup and Memory Optimizations * Further improved 2-pass good quality encoder speed: @@ -32,6 +40,10 @@ o RT speed 5 speedup: 110% o RT speed 6 speedup: 77% + - Bug Fixes + * Issue 3069: Fix one-pass mode keyframe placement off-by-one error. + * Issue 3156: Fix a bug in av1_quantize_lp AVX2 optimization. + 2021-09-29 v3.1.3 This release includes several bug fixes.