<div dir="ltr"><div class="gmail_default" style="font-size:small">Andrew, thanks so much for keeping up on new releases (including HV which I have already downloaded).</div><div class="gmail_default" style="font-size:small">When I boot ubuntu 16 to create the 10/31 release, I will take time to test libaom update and hopefully check that in in November.</div><div class="gmail_default" style="font-size:small">I do not plan on upgrading for the dot release of ffmpeg -- that is 4.4.1 -- not worth the hassle. OK?<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 26, 2021 at 3:52 AM Andrew Randrianasulu via Cin <<a href="mailto:cin@lists.cinelerra-gg.org">cin@lists.cinelerra-gg.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><a href="https://aomedia.googlesource.com/aom/+/refs/tags/v3.2.0/CHANGELOG" target="_blank">https://aomedia.googlesource.com/aom/+/refs/tags/v3.2.0/CHANGELOG</a><div><br></div><div>---</div><div>This release includes compression efficiency and perceptual quality</div><div> improvements, speedup and memory optimizations, as well as some new</div><div> features.</div><div> - New Features</div><div> * Introduced speeds 7, 8, and 9 for all intra mode.</div><div> * Introduced speed 10 for real time mode.</div><div> * Introduced an API that allows external partition decisions.</div><div> * SVC: added support for compound prediction.</div><div> * SVC: added support for fixed SVC modes.</div><div> - Compression Efficiency Improvements</div><div> * Intra-mode search improvement.</div><div> * Improved real time (RT) mode BDrate savings by ~5% (RT speed 5)</div><div> and ~12% (RT speed 6). The improvement was measured on the video</div><div> conference set.</div><div> * Improved real time mode for nonrd path (speed 7, 8, 9): BDrate</div><div> gains of ~3-5%.</div><div> * Rate control and RD adjustments based on ML research in VP9.</div><div> Gains of ~0.5-1.0% for HD.</div><div> - Perceptual Quality Improvements</div><div> * Added a new mode --deltaq-mode=3 to improve perceptual quality</div><div> based on a differential contrast model for still images.</div><div> * Added a new mode –deltaq-mode=4 to improve perceptual quality</div><div> based on user rated cq_level data set for still images.</div><div> * Weighting of some intra mode and partition size choices to better</div><div> manage and retain texture.</div><div> - Speedup and Memory Optimizations</div><div> * Further improved 2-pass good quality encoder speed:</div><div> o Speed 2 speedup: 18%</div><div> o Speed 3 speedup: 22%</div><div> o Speed 4 speedup: 37%</div><div> o Speed 5 speedup: 30%</div><div> o Speed 6 speedup: 20%</div><div> * Optimized the real time encoder (measured on the video conference</div><div> set):</div><div> o RT speed 5 speedup: 110%</div><div> o RT speed 6 speedup: 77%</div><div> - Bug Fixes</div><div> * Issue 3069: Fix one-pass mode keyframe placement off-by-one error.</div><div> * Issue 3156: Fix a bug in av1_quantize_lp AVX2 optimization.</div><div>---</div><div><br></div><div>I quickly re-packed .tar.gz into xz and renamed libaom patches accordingly. It seems to work with ffmpeg-4.4.</div><div><br></div><div>Phyllis, can you test (may be next month?) if libaom-3.2.0 still works on both new and old distros (as you use them for appimage build)? </div><div><br></div><div>Also, ffmpeg 4.4.1 was released - mostly bugfixes from fuzzers, it seems, but also few changes in util</div><div><br></div><div><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/7e0d640edf6c3eee1816b105c2f7498c4f948e74:/Changelog" target="_blank">https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/7e0d640edf6c3eee1816b105c2f7498c4f948e74:/Changelog</a></div><div><br></div><div><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/tag/2aa4f5cc8be5e3168191cd13a61178a167687eac" target="_blank">https://git.ffmpeg.org/gitweb/ffmpeg.git/tag/2aa4f5cc8be5e3168191cd13a61178a167687eac</a></div><div><br></div><div><br></div><div><br></div><div><br></div>
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