Update CHANGELOG for libaom v3.13.0
Bug: 441135035
Change-Id: I7c65e2bd62454ec30b7a569ead0d687e9d8897c3
diff --git a/CHANGELOG b/CHANGELOG
index d0c0cab..5c926e9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-2025-08-25 v3.13.0
+2025-08-28 v3.13.0
This release is ABI compatible with the last release.
The aom_roi_map_t struct, used only by the codec control
@@ -9,10 +9,10 @@
- New Features
* New tuning mode AOM_TUNE_SSIMULACRA2 for the AOME_SET_TUNING codec
- control (--tune=ssimulacra2) in all-intra mode. The feature detection
- macro AOM_HAVE_TUNE_SSIMULACRA2, if defined, indicates that
- AOM_TUNE_SSIMULACRA2 is available.
- AOM_TUNE_SSIMULACRA2 was developed to maximize SSIMULACRA 2 scores.
+ control (--tune=ssimulacra2) in all-intra mode. The feature
+ detection macro AOM_HAVE_TUNE_SSIMULACRA2, if defined, indicates
+ that AOM_TUNE_SSIMULACRA2 is available. AOM_TUNE_SSIMULACRA2 was
+ developed to maximize SSIMULACRA 2 scores.
* New codec control AV1E_SET_SCREEN_CONTENT_DETECTION_MODE
(--screen-detection-mode).
This codec control helps select between two screen detection modes:
@@ -22,6 +22,12 @@
(--enable-adaptive-sharpness). When enabled, it modulates sharpness
based on frame QP, which helps mitigate blocking artifacts in the
low to medium quality range.
+ * Added low complexity mode for 720p vertical videos.
+ * ROI feature implemented for RTC: for delta QP, skip encoding, and
+ reference selection.
+ * External scaling feature for SVC: allow downscaled images to be
+ passed into encoder for spatial layers without reconfiguring it.
+ * Allow per-frame calculation of PSNR (contribution from Meta).
- Compression Efficiency Improvements
* Variance Boost is now enabled for tuning modes AOM_TUNE_IQ and
@@ -32,14 +38,37 @@
* Up to 6.9% SSIMULACRA 2 BD-Rate gains for speed 8
* Up to 2.2% SSIMULACRA 2 BD-Rate gains for speed 9
+ - Perceptual Quality Improvements
+ * RTC: Visual quality improvements for screen content mode.
+ * RTC: Visual quality improvements for video mode for resolutions >=
+ 720p.
+
- Speedups
* Optimize intraBC search for better speed/efficiency tradeoffs for
all intra mode speeds >= 1
* Optimize intraBC block hashing process
+ * RTC Screen: speed feature added to speed 12 for ~2x speedup on
+ slide/scene changes, for resolutions >= 720p.
+ * ML based speedup improvement on the partition pruning for speed <= 2
+
+ - Other Improvements
+ * Fixes for RPS (reference picture selection) for RTC: Based on
+ av1_discuss issue:
+ https://groups.google.com/a/aomedia.org/g/av1-discuss/c/sqFad980SsA
- Bug Fixes
* b:421196988: all intra speed 8: overuse of palette mode
unnecessarily inflating file sizes
+ * b:423804955: Improve quality for 4K Screencast
+ * webrtc:388070060: Allow per-frame calculation of PSNR
+ * b:433046392, b:432035817: Fix to SVC crash triggered with Jitsi
+ video conference app.
+ * b:419622699: Fix integer overflow in update_buffer_level
+ * b:407813259: Fix to update seq_params for number of layers change
+ * b:400885218: External scaling for AV1
+ * b:391849810: High AV1 frame encode time on slide changes
+ * b:399575647: Too aggressive QP backoff at scene changes
+ * b:383306740: Quality degradation at horizontal scrolling
2025-04-11 v3.12.1
This release includes several bug fixes. This release is ABI
