Sida 11 av 15
Re: WebM, nio år senare
Postat: 08 feb 2020, 18:29
av JoWa
AV1-kodaren Rav1e 0.3.0 har släppts med följande ändringar:
Improvements
- Faster and better Speed 10
- Smaller binaries (Around 3MB stripped on x86_64/Linux)
- Faster build times (About 14% faster build time)
- Multi-threaded deblocking filter
- Additional x86_64 SIMD code
- More auto-vectorizable codepaths and bounds check elisions
- ⅙ less memory allocations
- Improvements on the intra-modes pruning logic in the RDO
- More float to fixed-point conversions
- Make an early-exit condition in RDO faster
- Simplify logic in Counter/Recorder store method
- Support wasm32-wasi as build target
- 1–2% overall quality improvement (at speed level 2)
New tools
- Intra edge filter
- Switch frame support (use -S, --switch-frame-interval <SWITCH_FRAME_INTERVAL> to enable it from the CLI)
- Fine directional intra prediction
- Still Picture support with reduced still picture header (AVIF)
Changes
- Upstream nasm-rs 0.1.7 can be used to build rav1e.
- The C header produced is now C++-compatible
Fixes
https://github.com/xiph/rav1e/releases/tag/v0.3.0
Re: WebM, nio år senare
Postat: 12 feb 2020, 20:53
av JoWa
Dav1d 0.6.0 ‘Gyrfalcon’:
0.6.0 is a major release for dav1d:
- New ARM64 optimizations for the 10/12bit depth:
- mc_avg, mc_w_avg, mc_mask
- mc_put/mc_prep 8tap/bilin
- mc_warp_8x8
- wiener
- cdef
- New AVX-512 optimizations for prep_bilin, prep_8tap, cdef_filter
- New SSSE3 optimizations for film grain
- New AVX2 optimizations for msac_adapt16
- Fix rare mismatches against the reference decoder, notably because of clipping
- Improvements on ARM64 on msac, cdef optimizations
- Improvements in the C version for itxfm, cdef_filter
https://code.videolan.org/videolan/dav1 ... aster/NEWS
Re: WebM, nio år senare
Postat: 20 feb 2020, 10:17
av JoWa
AV1-kodaren Rav1e 0.3.1 har släppts med följande ändringar:
Improvements
- 25–40% faster speed levels 2 to 5
- This is accomplished by disabling costly coding tools
- Fine directional prediction
- Intra block transform splitting in inter frames
- Encoding quality is slightly inferior (1–2%), but more in line with the target speed levels
https://github.com/xiph/rav1e/releases/tag/v0.3.1
Re: WebM, nio år senare
Postat: 14 mar 2020, 16:35
av JoWa
Re: WebM, nio år senare
Postat: 20 apr 2020, 19:58
av JoWa
SVT-AV1 v0.8.2
[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)
https://github.com/OpenVisualCloud/SVT- ... tag/v0.8.2
Re: WebM, nio år senare
Postat: 25 apr 2020, 17:46
av JoWa
SVT-AV1 v0.8.3
[0.8.3] - 2020-04-24
Encoder
Build and Testing
- Bug fixes
- Xcode build support
https://github.com/OpenVisualCloud/SVT- ... tag/v0.8.3
Re: WebM, nio år senare
Postat: 08 maj 2020, 20:27
av JoWa
LibAOM 2.0 är på gång. RC1 har släppts:
https://aomedia.googlesource.com/aom/+/ ... v2.0.0-rc1
Släppts har också SVT-VP9 0.2.0:
- Fix ffmpeg plugin “Too many invisible frames” issue for mkv/webm/mp4/dash.
- Fix video corruption for non-multiple-of-8 gop size.
- Remove -irefresh-type option.
https://github.com/OpenVisualCloud/SVT- ... tag/v0.2.0
Re: WebM, tio år senare
Postat: 19 maj 2020, 20:11
av JoWa
I dag, på WebMs tioårsdag, släpptes
libaom v2.0.0 Applejack, en större uppdatering av AV1-referensimplementeringen LibAOM.
https://aomedia.googlesource.com/aom/+/refs/tags/v2.0.0
Re: WebM, tio år senare
Postat: 21 maj 2020, 20:34
av JoWa
Dav1d 0.7.0 ”Frigatebird” har släppts.
Changes for 0.7.0 ‘Frigatebird’:
------------------------------
0.7.0 is a major release for dav1d:
- Faster refmv implementation gaining up to 12% speed while –25% of RAM (Single Thread)
- 10b/12b ARM64 optimizations are mostly complete:
- ipred (paeth, smooth, dc, pal, filter, cfl)
- itxfm (only 10b)
- AVX2/SSSE3 for non-4:2:0 film grain and for mc.resize
- AVX2 for cfl4:4:4
- AVX-512 CDEF filter
- ARM64 8b improvements for cfl_ac and itxfm
- ARM64 implementation for emu_edge in 8b/10b/12b
- ARM32 implementation for emu_edge in 8b
- Improvements on the dav1dplay utility player to support 10 bit, non-4:2:0 pixel formats and film grain on the GPU
https://code.videolan.org/videolan/dav1 ... aster/NEWS
Jean-Baptiste Kempf:
dav1d 0.7.0: mobile focus
Re: WebM, tio år senare
Postat: 22 maj 2020, 05:13
av JoWa
Re: WebM, tio år senare
Postat: 22 maj 2020, 19:58
av JoWa
AV1 Turns 2.0 (Streaming Learning Center)
Re: WebM, tio år senare
Postat: 23 maj 2020, 19:27
av JoWa
Re: WebM, tio år senare
Postat: 27 maj 2020, 19:19
av JoWa
Re: WebM, tio år senare
Postat: 21 jun 2020, 17:32
av JoWa
Dav1d 0.7.1 ‘Frigatebird’:
0.7.1 is a minor update on 0.7.0:
- ARM32 NEON optimizations for itxfm, which can give up to 28 % speedup, and MSAC
- SSE2 optimizations for prep_bilin and prep_8tap
- AVX2 optimizations for MC scaled
- Fix a clamping issue in motion vector projection
- Fix an issue on some specific Haswell CPU on ipred_z AVX2 functions
- Improvements on the dav1dplay utility player to support resizing
https://code.videolan.org/videolan/dav1 ... aster/NEWS
Re: WebM, tio år senare
Postat: 04 jul 2020, 05:08
av JoWa
SVT-AV1 v0.8.4
[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
https://github.com/OpenVisualCloud/SVT- ... tag/v0.8.4
Re: WebM, tio år senare
Postat: 21 jul 2020, 05:11
av JoWa
Re: WebM, tio år senare
Postat: 31 jul 2020, 05:05
av JoWa
libvpx v1.9.0 Quacking Duck Released
What’s new:
This release adds support for NV12, a separate library for rate control, as well as incremental improvements.
- Upgrading:
- NV12 support is added to this release.
- A new interface is added for VP9 rate control. The new library libvp9rc.a must be linked by applications.
- Googletest is updated to v1.10.0.
- simple_encode.cc is compiled into a new library libsimple_encode.a with CONFIG_RATE_CTRL.
- Enhancement:
- Various changes to improve VP9 SVC, rate control, quality and speed to real time encoding.
- Bug fixes:
- Fix key frame update refresh simulcast flexible svc.
- Fix to disable_16x16part speed feature for real time encoding.
- Fix some signed integer overflows for VP9 rate control.
- Fix initialization of delta_q_uv.
- Fix condition in regulate_q for cyclic refresh.
- Various fixes to dynamic resizing for VP9 SVC.
https://chromium.googlesource.com/webm/ ... ags/v1.9.0
Re: WebM, tio år senare
Postat: 17 aug 2020, 19:35
av JoWa
Det är inte varje år som Vorbis-kodaren libvorbis uppdateras, men för drygt en månad sedan skedde det, då 1.3.7 släpptes:
libvorbis 1.3.7 (2020-07-04) — “Xiph.Org libVorbis I 20200704 (Reducing Environment)”
https://github.com/xiph/vorbis/releases
https://xiph.org/downloads/
Sedan jag senast skrev om AV1-kodaren Rav1e, har två nya versioner släppts, 0.32 och 0.33:
https://github.com/xiph/rav1e/releases/tag/v0.3.2
https://github.com/xiph/rav1e/releases/tag/v0.3.3
Re: WebM, tio år senare
Postat: 07 sep 2020, 15:18
av JoWa
SVT-AV1 v0.8.5
[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
https://github.com/OpenVisualCloud/SVT- ... tag/v0.8.5
Re: WebM, tio år senare
Postat: 09 sep 2020, 18:47
av JoWa
Rav1e 0.3.4
Improvements
- Android support
- iOS support
- Updated dependencies(dav1d, aom)
- Fix Desync in some 4K Clips
- Fix Desync with regard to inter-split bottom-up search
- Fix compilation of AArch64 target with clang as assembler.
https://github.com/xiph/rav1e/releases/tag/v0.3.4