Changelog for libSvtAv1Dec0-2.1.0-1.1.x86_64.rpm :

* Mon May 20 2024 Jan Engelhardt - Update to release 2.1
* Presets 6 and 12 are now pointing to presets 7 and 13 respectively due to the lack of spacing between the presets.
* Added variance boost support to improve visual quality for the tune vq mode.
* Speedup of 12–40% presets M0, M3, M5 and M6 while maintaining similar quality levels.
* Improved the compression efficiency of presets M11-M13 by 1-2%.
* Wed Mar 13 2024 Jan Engelhardt - Update to release 2.0
* Changed the API signaling the End Of Stream (EOS) with the last frame vs with an empty frame
* Removed the 3-pass VBR mode which changed the calling mechanism of multi-pass VBR
* Improve the tradeoffs for the random access mode across presets:
* Improved the compression efficiency of presets M9-M13 by 1-4%
* Replaced the 3-pass VBR with a 2-pass VBR
* Memory savings of 20-35% for LP 8 mode in preset M6 and below and 1-5% in other modes/presets
* Tue Dec 12 2023 Jan Engelhardt - Update to release 1.8.0
* Improve the tradeoffs for the random access mode across presets:
* Speedup CRF presets M6 to M0 by 17-53% while maintaining similar quality levels
* Re-adjust CRF presets M7 to M13 for better quality with BD-rate gains ranging from 1-4%
* Improve the quality and speed of the 1-pass VBR mode
* Add API allowing to update bitrate / CRF and Key_frame placement during the encoding session for CBR lowdelay mode and CRF Random Access mode
* ARM Neon SIMD optimizations for most critical kernels allowing for a 4.5-8x fps speedup vs the c implementation
* Fri Nov 03 2023 Jan Engelhardt - Update to release 1.7.0
* Encoder:
* Improve the tradeoffs for the random access mode across presets MR-M13
* Quality improvements across all presets and metrics ranging from 0.3% to 4.5% in BD-rate
* Added an experimental tune SSIM mode yielding ~3-4% additional SSIM BD-rate gains
* Mon Jun 26 2023 Andreas Schwab - Enable build on riscv64
* Mon Jun 19 2023 Jan Engelhardt - Update to release 1.6.0
* Improved the tradeoffs for the random access mode across presets M1-M13:
* Speeding up the higher quality presets by 30-40%
* Improving the BD-rate by 1-4% for the faster presets
* Improved the tradeoffs for the low delay mode for both screen content and non-screen content encoding modes
* Added a toggle to remove the legacy one-frame buffer at the input of the pipeline allowing the low delay mode to operate at sub-frame processing latencies
* Added a new API allowing the user to specify quantization offsets for a region of interest per frame
* Thu Mar 30 2023 Guillaume GARDET - Enable build on aarch64
* Mon Jan 02 2023 Dirk Müller - update to 1.4.1:
* Fix CRF with maxrate bug causing bitrate to be significantly limited for CRF encodings
* Fix command line parsing forcing 1-pass in a 2-pass encoding mode when the --keyint=`x`s format is used
* Fix decoder segfault due to assuming aligned buffers in the inverse transform assembly
* Mon Dec 05 2022 Dirk Müller - update to 1.4.0:
* Adopted the 6L / 32-picture mini-GOP configuraion as default and adjusted MD feature levels accordingly yielding higher compression efficiency gains
* Update the TPL model to account for the larger mini-gop size
* Re-tune presets M0-M12 using the gained coding efficiency for improved quality vs cycles tradeoffs
* Allow duplicate commandline parameters to be parsed and take into consideration the latter to allow AWCY integration
* Build, Cleanup and Documentation
* Make include and lib paths friendly to abs and rel paths
* Update preset and API documentation
* Various functional bug fixes
* Remove manual prediction structure support
* Thu Oct 20 2022 Bjørn Lie - Update to release 1.3.0:
* Encoder: - Port SIMD optimizations from libDav1D making the conformant path (Inv. Transform) faster - Enabling smaller mini-GOP size configurations and tuning it for the low delay mode - Tuning the low-latency mode in random access targeting latencies from 250ms to 1s - Adding GOP-constrained Rate Control targeting low-latency streaming applications - Optimize mode decision features levels for depth partitioning, RDOQ, MD stage0 pruning in-loop filtering temporal filtering and TPL adding more granularity and gaining further quality - Preset tuning M0-M13 to smooth the spacing and utilize the quality improvements towards better tradeoffs
* Build, Cleanup and Documentation: - Update preset and API documentation - Various functional bug fixes - Remove the use of GLOB in cmake and use file names- Changes from release 1.2.1:
* Encoder: Fix a crash at the end of the encode that may occur when an invalid metadata packet is sent with the EOS packet
* Build, Cleanup: - y4m header pasring code cleanup - API cleanup and enhancements adding string options for RC mode - Added option to build without app / dec / enc using the build.sh / build.bat scripts
* Wed Aug 03 2022 Jan Engelhardt - Update to release 1.2.0
* TPL tradeoff optimizations for 4L pred structure
* Quality-vs-cycles tradeoff improvements across all presets
* Add ability to force key_frame positions through ffmpeg for CRF mode
* Minimize the quality impact of fast-decode while maintaining the decoder speedup
* AVX2 optimizations for low delay mode
* Improve CRF preset tradeoffs for both the default and fast-decode modes
* Improve the SSIM-based tradeoffs of the presets without impacting those of PSNR / VMAF
* Improve CBR mode by enhancing the bit-distribution within the GOP
* Added support for reference frame scaling
* Added support for quantization matrices
* AVX2 optimizations for low-delay mode
* TPL-based VBR mode improvements
* Improved Chroma RDOQ
* Improve TPL QP Scaling
* Add length info to ivf header
* Fix support for metadata pass-through
* Add ability to specify Chroma and Luma qindex offsets independently on top of CRF qp assignments
* Fri Apr 22 2022 Jan Engelhardt - Update to release 1.0.0
* Added S-frames support
* Added CBR Rate control mode for low delay
* Added support for chroma position signaling
* Added support for skipping denoising pictures after film grain synthesis
* Extend fast-decode support to cover presets M0-M10
* Wed Feb 16 2022 Mia Herkt - Disable forced realtime scheduler priority By default, the encoder library will attempt to set realtime scheduler priority. Disable this behavior, as it serves no practical purpose (video encoding does not benefit from reduced process latency) and will only make the system unresponsive. (Additionally, it is arguably not a video encoder library’s job to manage scheduler priorities for the calling process.) See https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/1714
* Wed Jan 26 2022 Enrico Belleri - Update to 0.9.0
* New faster presets M9-M12, M12 reaching similar complexity level to that of x264 veryfast
* New multi-pass and single pass VBR implementation minimizing the quality difference vs CRF while reducing the cycle overhead
* Quality vs density tradeoffs improvements across all presets in CRF mode
* Added support for CRF with capped bitrate
* Added support for overlay frames and super resolution
* Fixed film grain synthesis bugs
* Added experimental support for > 4k resolutions
* Added experimental support for the low delay prediction structure
* Significant memory reduction especially for faster presets in a multi-threaded environment
* API configuration structure cleanup removing all invalid or out of date parameters
* Speedup legacy CPUs for faster development by adding SSE code for corresponding C-kernels
* Updated the code license from BSD 2-clause to BSD 3-clause clear
* Fri May 28 2021 Jan Engelhardt - Update to release 0.8.7
* Feature optimizations: creating new mode decision / encode-decode feature levels allowing better speed / quality trade-off granularity.
* Preset repositioning after adopting new levels.
* Preset 8 achieving similar speed levels to that of x265 medium in the VOD (shot-based encoding) use-case while maintaining quality gains.
* New 1-pass and 2-pass VBR implementation ported from libaom and adapted to the SVT architecture.- Drop 1568-backport.patch (no longer applies)- Remove wrong Obsoletes/Provides