[0.8.6] - 2020-11-28

Encoder

• Further quality-speed tradeoffs tuning for VOD use cases
• Improved TPL support within 1-pass and 2-pass CRF moode
• Continued non-optimized support for 2pass VBR and CRF
• Align kernel nomenclature to prefix svt_aom for kernels brough from libaom to avoid symbol conflicts

Build and Testing

• Bug fixes
• Improve CI
• Added CI support for gitlab
• Improve Unit Test Coverage
• Address C vs asm mismatches
• Fix static analysis warnings / errors
• Add address sanitizer
• Fix symbol conflicts with libaom and libvpx when staticly linked to ffmpeg

[0.8.5] - 2020-09-04

Relicensing notice

• Change the outbound license from BSD+Patent to the AOM license / patent

Encoder

• Added tpl support to adaptively change lambda and quantization parameters within the frame
• Added multi staged hme support
• Quality speed trade-offs tuned to VOD use cases
• Added first level non-optimized support for 2pass VBR and CRF
• Added combined cli two pass support with options for stats being written to a memory buffer and a specified file
• Added non square partitioning optimizations
• Improved lambda generation

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches
• Fix static analysis warnings / errors
• Add address sanitizer
• Fix symbol conflicts with libaom and libvpx when staticly lined to ffmpeg

All binaries can be accessed through the testing framework following the links below: https://github.com/OpenVisualCloud/SVT-AV1/actions/runs/242603268 https://github.com/OpenVisualCloud/SVT-AV1/actions/runs/242603265 https://github.com/OpenVisualCloud/SVT-AV1/actions/runs/242603260

[0.8.4] - 2020-06-26

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches
• Fix static analysis warnings / errors
• Add address sanitizer
• Various ffmpeg patch fixes

All binaries can be found in the testing framework location: https://github.com/OpenVisualCloud/SVT-AV1/runs/816451297

[0.8.3] - 2020-04-24

Encoder

• Presets optimization

Build and Testing

• Bug fixes
• Xcode build support

[0.8.2] - 2020-04-18

Encoder

• Initial Super resolution support
• Mode decision rate estimation enhancements
• Altref improvements
• Manual prediction structure support
• Enhanced RDOQ support
• Improved warp motion
• Improved documentation and help menu
• New command line parameters
• Fix non-multiple of 8 resolution video corruption for 8bit
• Improved multi-stage mode decision support
• Added multi-stage motion estimation support
• Chroma mode decision optimizations
• Added 16bit pipeline support
• Added Mode decision non-square partition weights
• Enhanced qp-scaling assignment
• Memory optimizations
• Added AVX512 Optimizations
• Added AVX2 Optimizations

Decoder

• Improved multi-threading support
• Memory optimizations
• Updated documentation
• Loop filter flow optimization

Encoder and Decoder

• Encoder-Decoder-Common folder structure improvements

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches
• Support C only builds (for platforms other than x86)

[0.8.1] - 2020-01-28

Encoder

• Palette support for 10-bit
• Added the first batch of detailed documentation to help developers

Encoder and Decoder

• Code cleanup and refactoring

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches

[0.8.0] - 2019-12-20

Encoder

• Preset Optimizations
• Single-core execution memory optimization [-lp 1 -lad 0]
• Rate estimation update enhancements
• On / off flags for feature run-time switching
• Auto-max partitioning algorithm support
• Multi-pass partitioning depth support
• Remove deprecated RC mode 1 and shifter RC mode 2 and mode 3 to mode 1 and mode 2 respectively
• Update cost calculation for CDEF Filtering
• Intra-Inter compound for 10-bit
• Eigth-pel optimization
• AVX512 Optimizations
• AVX2 Optimizations

Decoder

• Initial multi-threading support
• Decoder optimizations / cleanup

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches

[0.7.5] - 2019-11-24

Encoder

• RDOQ for 10-bit
• Inter Intra Class pruning at MD-Staging
• Global Motion Vector support for 8-bit and 10-bit
• Interpolation Filter Search support for 10-bit
• Palette Prediction support
• 2-pass encoding support
• ATB 10-bit support at the encode pass
• Simplified MD Staging [only 3 stages]
• Inter-Inter and Inter-Intra Compound for 10-bit
• Intra Paeth for 10-bit
• Filter Intra Prediction
• New-Near and Near-New support
• OBMC Support for 8-bit and 10-bit
• RDOQ Chroma
• ATB Support for Inter Blocks
• Temporal Filtering for 10-bit
• Eight-pel support in predictive ME
• MCTS Tiles support
• Added AVX512 Optimizations
• Added AVX2 Optimizations

Decoder

• SuperRes support
• Reference Frame Scaling support
• 12-bit support
• Annex B support

Build and Testing

• Bug fixes
• Improve CI
• Improve Unit Test Coverage
• Address C vs asm mismatches

[0.7.0] - 2019-09-26

Encoder

• Enhanced MRP Reference Frames
• Intra Inter Compound
• QP Modulation support
• MFMV Support
• MD Staging design [Up to 4 MD stages and 3 prediction classes: Intra / Inter / Compound]
• Compound Motion prediction
• 10-bit Mode Decision support for Intra
• Thread safe resource allocation
• Added AVX512 Optimizations
• Added AVX2 Optimizations

Decoder

• Screen Content Tools
• Temporal MV scan support
• Inter support
• Screen Content Tools support
• Post Processing Filters support
• Compound Mode (InterInter & InterIntra) Tool support
• Decoder Film Grain support

Build and Testing

• Improve CI
• Improve build scripts
• Improve cmake lists
• Improve Unit Test Coverage
• API update
• Bug fixes

[0.6.0] - 2019-06-28

• Inital decoder implementation
• Static library support
• Alt-ref pictures - temporal filtering
• Adaptive Transform Block for INTRA
• Adaptive QP scaling
• Decoder - Support for Tiles and 10bit
• API - add option to calculate / report PSNR values
• Support for segmentation
• SIMD Optimizations
• Downsampling 2x2 filtering
• Handle incomplete SBs
• MACROS / trailing / tabs-spaces cleanup