Update CHANGELOG for libaom v3.4.0 Bug: aomedia:3281 Change-Id: I18a82fe0047b6379d54a8f64674a2af7962b079a
diff --git a/CHANGELOG b/CHANGELOG index ffc1177..a0d89a5 100644 --- a/CHANGELOG +++ b/CHANGELOG
@@ -1,3 +1,111 @@ +2022-06-02 v3.4.0 + This release includes compression efficiency and perceptual quality + improvements, speedup and memory optimizations, and some new features. + There are no ABI or API breaking changes in this release. + + - New Features + * New --dist-metric flag with "qm-psnr" value to use quantization + matrices in the distortion computation for RD search. + * New command line option "--auto-intra-tools-off=1" to make + all-intra encoding faster for high bit rate under + "--deltaq-mode=3" mode. + * New rate control library aom_av1_rc for real-time hardware + encoders. Supports CBR for both one spatial layer and SVC. + * New image format AOM_IMG_FMT_NV12 can be used as input to the + encoder. The presence of AOM_IMG_FMT_NV12 can be detected at + compile time by checking if the macro AOM_HAVE_IMG_FMT_NV12 is + defined. + + - Compression Efficiency Improvements + * Correctly calculate SSE for high bitdepth in skip mode, 0.2% to + 0.6% coding gain. + * RTC at speed 9/10: BD-rate gain of ~4/5% and speedup of ~10/5% + * RTC screen content coding: many improvements for real-time screen + at speed 10 (quality, speedup, and rate control), up to high + resolutions (1080p). + * RTC-SVC: fixes to make intra-only frames work for spatial layers. + * RTC-SVC: quality improvements for temporal layers. + * AV1 RT: A new passive rate control strategy for screen content, an + average of 7.5% coding gain, with some clips of 20+%. The feature + is turned off by default due to higher bit rate variation. + + - Perceptual Quality Improvements + * RTC: Visual quality improvements for high speeds (9/10) + + - Speedup and Memory Optimizations + * Ongoing improvements to intra-frame encoding performance on Arm + * Faster encoding speed for "--deltaq-mode=3" mode. + + - Bug Fixes + * b/204460717: README.md: replace master with main + * b/210677928: libaom disable_order is surprising for + max_reference_frames=3 + * b/222461449: -DCONFIG_TUNE_BUTTERAUGLI=1 broken + * b/227207606: write_greyscale writes incorrect chroma in highbd + mode + * b/229955363: Integer-overflow in linsolve_wiener + * https://crbug.com/aomedia/2032 + * https://crbug.com/aomedia/2397 + * https://crbug.com/aomedia/2563 + * https://crbug.com/aomedia/2815 + * https://crbug.com/aomedia/3009 + * https://crbug.com/aomedia/3018 + * https://crbug.com/aomedia/3045 + * https://crbug.com/aomedia/3101 + * https://crbug.com/aomedia/3130 + * https://crbug.com/aomedia/3173 + * https://crbug.com/aomedia/3184 + * https://crbug.com/aomedia/3187 + * https://crbug.com/aomedia/3190 + * https://crbug.com/aomedia/3195 + * https://crbug.com/aomedia/3197 + * https://crbug.com/aomedia/3201 + * https://crbug.com/aomedia/3202 + * https://crbug.com/aomedia/3204 + * https://crbug.com/aomedia/3205 + * https://crbug.com/aomedia/3207 + * https://crbug.com/aomedia/3208 + * https://crbug.com/aomedia/3209 + * https://crbug.com/aomedia/3213 + * https://crbug.com/aomedia/3214 + * https://crbug.com/aomedia/3219 + * https://crbug.com/aomedia/3222 + * https://crbug.com/aomedia/3223 + * https://crbug.com/aomedia/3225 + * https://crbug.com/aomedia/3226 + * https://crbug.com/aomedia/3228 + * https://crbug.com/aomedia/3232 + * https://crbug.com/aomedia/3236 + * https://crbug.com/aomedia/3237 + * https://crbug.com/aomedia/3238 + * https://crbug.com/aomedia/3240 + * https://crbug.com/aomedia/3243 + * https://crbug.com/aomedia/3244 + * https://crbug.com/aomedia/3246 + * https://crbug.com/aomedia/3248 + * https://crbug.com/aomedia/3250 + * https://crbug.com/aomedia/3251 + * https://crbug.com/aomedia/3252 + * https://crbug.com/aomedia/3255 + * https://crbug.com/aomedia/3257 + * https://crbug.com/aomedia/3259 + * https://crbug.com/aomedia/3260 + * https://crbug.com/aomedia/3267 + * https://crbug.com/aomedia/3268 + * https://crbug.com/aomedia/3269 + * https://crbug.com/aomedia/3276 + * https://crbug.com/aomedia/3278 + * https://crbug.com/chromium/1290068 + * https://crbug.com/chromium/1303237 + * https://crbug.com/chromium/1304990 + * https://crbug.com/chromium/1321141 + * https://crbug.com/chromium/1321388 + * https://crbug.com/oss-fuzz/44846 + * https://crbug.com/oss-fuzz/44856 + * https://crbug.com/oss-fuzz/44862 + * https://crbug.com/oss-fuzz/44904 + * https://crbug.com/oss-fuzz/45056 + 2022-01-28 v3.3.0 This release includes compression efficiency and perceptual quality improvements, speedup and memory optimizations, some new features, and