Name: Aviator
Author: Gianni Rosato

Aviator enables simple, easy-to-use video encoding for the world's most advanced open video codec, AV1. Encode your favorite media into super efficient files with incredible quality per bit, powered by the SVT-AV1 production encoder with Opus for audio encoding. The sky's the limit for your old home video collection &amp; large 4k smartphone videos, and you can fly in style with a beautiful libadwaita interface. Take off with Aviator!

Aviator

Exciting SVT-AV1-PSY improvements and an awesome audio fix that's been a long time coming!
 First, Aviator changes:
 - Migrated to libadwaita 1.4+ widgets
 - Fixed the notorious 5.1(side) audio encoding error
 - Minor code clean-up
 SVT-AV1-PSY (v2.0.0rc2) updates relevant to Aviator:
 - Updated variance boost to improve encoding efficiency and eliminate rare flickering artifacts
 - Variance boost refactored to work with native q-step ratios
 - Preset -1 is twice as fast, &amp; presets 0 through 8 are up to 28% faster
 - Presets 9 through 12 are 1-4% more efficient
 - Additional ARM optimizations
 - Bug fixes

TL;DR, mostly SVT-AV1-PSY improvements. But still exciting, nonetheless!
 Open GOP toggle has been renamed to oGOP
 Speed -1 and -2 are now supported with a warning when you go below Speed 3. Speed -2 can take over 8 hours for a minute of video on a Ryzen 9
 New "Perceptual Tuning" enables some new SVT-AV1-PSY features by default to improve visual fidelity at the cost of metric scores
 "-mapping_family 1" is now enabled in libopus, so surround encodes will benefit from Opus's multichannel optimizations
 Modified SVT-AV1 defaults, notably re-enabling temporal filtering by default

Today, we have a very exciting development - Aviator has switched to an in-house custom fork of SVT-AV1 dubbed SVT-AV1-PSY!
 Featuring development efforts from BlueSwordM (author of the previous custom fork), myself (Gianni), and others, this change will enable us to have much more control over the encoder's development so that it aligns most effectively with Aviator's number one priority: visual quality.
 So far, SVT-AV1-PSY's most noteworthy feature is a variance boost patch that appreciably improves intra- and inter-frame fidelity consistency across wide range of content. Visual fidelity per bit is estimated to have increased by up to 5% with this patch, which currently isn't present in mainline SVT-AV1.
 Even though this patch should inevitably make it to mainline, the gains from having more direct control are already being realized as we can implement features like this flexibly at a pace we decide.
 Aside from that, FFmpeg has been updated to version 6.1, the SCM toggle has been replaced with a more useful Open GOP toggle, and the README has been modified to reflect some of these more recent changes with regard to SVT-AV1-PSY.
 Thank you for using Aviator, and happy encoding!

TL;DR, Aviator is much faster! Specifically, around 17-53% faster for presets 0 through 6 and 1-4% better quality for presets 7+
 Updated SVT-AV1 to a custom fork by BlueSwordM featuring changes from 1.8.0, including speed-ups for presets 1 through 6 that improve encoding speed by 17-53%. This fork features an adaptive quantization curve that boosts deltaq based on variance within superblocks. This is not available in mainline SVT-AV1
 SVT-AV1 now features NEON optimization, making encoding up to a whopping 8 times faster than before on ARM-based platforms
 Updated to GNOME 45 runtime
 Minor changes in the codebase that should make it easier to add an Open GOP toggle in the future (currently breaks keyframe placement)

Your Video Copilot: AV1/OPUS Video Encoder

Aviator

Your Video Copilot: AV1/OPUS Video Encoder

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