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Diffstat (limited to 'third_party/dav1d/NEWS')
| -rw-r--r-- | third_party/dav1d/NEWS | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/third_party/dav1d/NEWS b/third_party/dav1d/NEWS new file mode 100644 index 0000000000..45ffd4f8f6 --- /dev/null +++ b/third_party/dav1d/NEWS @@ -0,0 +1,308 @@ +Changes for 1.1.0 'Arctic Peregrine Falcon': +------------------------------------------- + +1.1.0 is an important release of dav1d, fixing numerous bugs, and adding SIMD + +- New function dav1d_get_frame_delay to query the decoder frame delay +- Numerous fixes for strict conformity to the specs and samples +- NEON and AVX-512 misc fixes and improvements +- Partial AVX2 12bpc transform implementations +- AVX-512 high bit-depth cdef_filter, loopfilter, itx +- NEON z1/z3 optimization for 8bpc +- SSSE3 z1 optimization for 8bpc + + "From VideoLAN with love" + + +Changes for 1.0.0 'Peregrine Falcon': +------------------------------------- + +1.0.0 is a major release of dav1d, adding important features and bug fixes. + +It notably changes, in an important way, the way threading works, by adding +an automatic thread management. + +It also adds support for AVX-512 acceleration, and adds speedups to existing x86 +code (from SSE2 to AVX2). + +1.0.0 adds new grain API to ease acceleration on the GPU, and adds an API call +to get information of which frame failed to decode, in error cases. + +Finally, 1.0.0 fixes numerous small bugs that were reported since the beginning +of the project to have a proper release. + + .''. + .''. . *''* :_\/_: . + :_\/_: _\(/_ .:.*_\/_* : /\ : .'.:.'. + .''.: /\ : ./)\ ':'* /\ * : '..'. -=:o:=- + :_\/_:'.:::. ' *''* * '.\'/.' _\(/_'.':'.' + : /\ : ::::: *_\/_* -= o =- /)\ ' * + '..' ':::' * /\ * .'/.\'. ' + * *..* : + * : + * 1.0.0 + + + +Changes for 0.9.2 'Golden Eagle': +--------------------------------- + +0.9.2 is a small update of dav1d on the 0.9.x branch: + - x86: SSE4 optimizations of inverse transforms for 10bit for all sizes + - x86: mc.resize optimizations with AVX2/SSSE3 for 10/12b + - x86: SSSE3 optimizations for cdef_filter in 10/12b and mc_w_mask_422/444 in 8b + - ARM NEON optimizations for FilmGrain Gen_grain functions + - Optimizations for splat_mv in SSE2/AVX2 and NEON + - x86: SGR improvements for SSSE3 CPUs + - x86: AVX2 optimizations for cfl_ac + + +Changes for 0.9.1 'Golden Eagle': +--------------------------------- + +0.9.1 is a middle-size revision of dav1d, adding notably 10b acceleration for SSSE3: + - 10/12b SSSE3 optimizations for mc (avg, w_avg, mask, w_mask, emu_edge), + prep/put_bilin, prep/put_8tap, ipred (dc/h/v, paeth, smooth, pal, filter), wiener, + sgr (10b), warp8x8, deblock, film_grain, cfl_ac/pred for 32bit and 64bit x86 processors + - Film grain NEON for fguv 10/12b, fgy/fguv 8b and fgy/fguv 10/12 arm32 + - Fixes for filmgrain on ARM + - itx 10bit optimizations for 4x4/x8/x16, 8x4/x8/x16 for SSE4 + - Misc improvements on SSE2, SSE4 + + +Changes for 0.9.0 'Golden Eagle': +--------------------------------- + +0.9.0 is a major version of dav1d, adding notably 10b acceleration on x64. + +Details: + - x86 (64bit) AVX2 implementation of most 10b/12b functions, which should provide + a large boost for high-bitdepth decoding on modern x86 computers and servers. + - ARM64 neon implementation of FilmGrain (4:2:0/4:2:2/4:4:4 8bit) + - New API to signal events happening during the decoding process + + +Changes for 0.8.2 'Eurasian Hobby': +----------------------------------- + +0.8.2 is a middle-size update of the 0.8.0 branch: + - ARM32 optimizations for ipred and itx in 10/12bits, + completing the 10b/12b work on ARM64 and ARM32 + - Give the post-filters their own threads + - ARM64: rewrite the wiener functions + - Speed up coefficient decoding, 0.5%-3% global decoding gain + - x86 optimizations for CDEF_filter and wiener in 10/12bit + - x86: rewrite the SGR AVX2 asm + - x86: improve msac speed on SSE2+ machines + - ARM32: improve speed of ipred and warp + - ARM64: improve speed of ipred, cdef_dir, cdef_filter, warp_motion and itx16 + - ARM32/64: improve speed of looprestoration + - Add seeking, pausing to the player + - Update the player for rendering of 10b/12b + - Misc speed improvements and fixes on all platforms + - Add a xxh3 muxer in the dav1d application + + +Changes for 0.8.1 'Eurasian Hobby': +----------------------------------- + +0.8.1 is a minor update on 0.8.0: + - Keep references to buffers valid after dav1d_close(). Fixes a regression + caused by the picture buffer pool added in 0.8.0. + - ARM32 optimizations for 10bit bitdepth for SGR + - ARM32 optimizations for 16bit bitdepth for blend/w_masl/emu_edge + - ARM64 optimizations for 10bit bitdepth for SGR + - x86 optimizations for wiener in SSE2/SSSE3/AVX2 + + +Changes for 0.8.0 'Eurasian Hobby': +----------------------------------- + +0.8.0 is a major update for dav1d: + - Improve the performance by using a picture buffer pool; + The improvements can reach 10% on some cases on Windows. + - Support for Apple ARM Silicon + - ARM32 optimizations for 8bit bitdepth for ipred paeth, smooth, cfl + - ARM32 optimizations for 10/12/16bit bitdepth for mc_avg/mask/w_avg, + put/prep 8tap/bilin, wiener and CDEF filters + - ARM64 optimizations for cfl_ac 444 for all bitdepths + - x86 optimizations for MC 8-tap, mc_scaled in AVX2 + - x86 optimizations for CDEF in SSE and {put/prep}_{8tap/bilin} in SSSE3 + + +Changes for 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 + + +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 + + +Changes for 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 + - mc_w_mask + - mc_blend + - wiener + - SGR + - loopfilter + - cdef + - New AVX-512 optimizations for prep_bilin, prep_8tap, cdef_filter, mc_avg/w_avg/mask + - 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 and looprestoration optimizations + - Improvements on AVX2 optimizations for cdef_filter + - Improvements in the C version for itxfm, cdef_filter + + +Changes for 0.5.2 'Asiatic Cheetah': +------------------------------------ + +0.5.2 is a small release improving speed for ARM32 and adding minor features: + - ARM32 optimizations for loopfilter, ipred_dc|h|v + - Add section-5 raw OBU demuxer + - Improve the speed by reducing the L2 cache collisions + - Fix minor issues + + +Changes for 0.5.1 'Asiatic Cheetah': +------------------------------------ + +0.5.1 is a small release improving speeds and fixing minor issues +compared to 0.5.0: + - SSE2 optimizations for CDEF, wiener and warp_affine + - NEON optimizations for SGR on ARM32 + - Fix mismatch issue in x86 asm in inverse identity transforms + - Fix build issue in ARM64 assembly if debug info was enabled + - Add a workaround for Xcode 11 -fstack-check bug + + +Changes for 0.5.0 'Asiatic Cheetah': +------------------------------------ + +0.5.0 is a medium release fixing regressions and minor issues, +and improving speed significantly: + - Export ITU T.35 metadata + - Speed improvements on blend_ on ARM + - Speed improvements on decode_coef and MSAC + - NEON optimizations for blend*, w_mask_, ipred functions for ARM64 + - NEON optimizations for CDEF and warp on ARM32 + - SSE2 optimizations for MSAC hi_tok decoding + - SSSE3 optimizations for deblocking loopfilters and warp_affine + - AVX2 optimizations for film grain and ipred_z2 + - SSE4 optimizations for warp_affine + - VSX optimizations for wiener + - Fix inverse transform overflows in x86 and NEON asm + - Fix integer overflows with large frames + - Improve film grain generation to match reference code + - Improve compatibility with older binutils for ARM + - More advanced Player example in tools + + +Changes for 0.4.0 'Cheetah': +---------------------------- + + - Fix playback with unknown OBUs + - Add an option to limit the maximum frame size + - SSE2 and ARM64 optimizations for MSAC + - Improve speed on 32bits systems + - Optimization in obmc blend + - Reduce RAM usage significantly + - The initial PPC SIMD code, cdef_filter + - NEON optimizations for blend functions on ARM + - NEON optimizations for w_mask functions on ARM + - NEON optimizations for inverse transforms on ARM64 + - VSX optimizations for CDEF filter + - Improve handling of malloc failures + - Simple Player example in tools + + +Changes for 0.3.1 'Sailfish': +------------------------------ + + - Fix a buffer overflow in frame-threading mode on SSSE3 CPUs + - Reduce binary size, notably on Windows + - SSSE3 optimizations for ipred_filter + - ARM optimizations for MSAC + + +Changes for 0.3.0 'Sailfish': +------------------------------ + +This is the final release for the numerous speed improvements of 0.3.0-rc. +It mostly: + - Fixes an annoying crash on SSSE3 that happened in the itx functions + + +Changes for 0.2.2 (0.3.0-rc) 'Antelope': +----------------------------- + + - Large improvement on MSAC decoding with SSE, bringing 4-6% speed increase + The impact is important on SSSE3, SSE4 and AVX2 cpus + - SSSE3 optimizations for all blocks size in itx + - SSSE3 optimizations for ipred_paeth and ipred_cfl (420, 422 and 444) + - Speed improvements on CDEF for SSE4 CPUs + - NEON optimizations for SGR and loop filter + - Minor crashes, improvements and build changes + + +Changes for 0.2.1 'Antelope': +---------------------------- + + - SSSE3 optimization for cdef_dir + - AVX2 improvements of the existing CDEF optimizations + - NEON improvements of the existing CDEF and wiener optimizations + - Clarification about the numbering/versionning scheme + + +Changes for 0.2.0 'Antelope': +---------------------------- + + - ARM64 and ARM optimizations using NEON instructions + - SSSE3 optimizations for both 32 and 64bits + - More AVX2 assembly, reaching almost completion + - Fix installation of includes + - Rewrite inverse transforms to avoid overflows + - Snap packaging for Linux + - Updated API (ABI and API break) + - Fixes for un-decodable samples + + +Changes for 0.1.0 'Gazelle': +---------------------------- + +Initial release of dav1d, the fast and small AV1 decoder. + - Support for all features of the AV1 bitstream + - Support for all bitdepth, 8, 10 and 12bits + - Support for all chroma subsamplings 4:2:0, 4:2:2, 4:4:4 *and* grayscale + - Full acceleration for AVX2 64bits processors, making it the fastest decoder + - Partial acceleration for SSSE3 processors + - Partial acceleration for NEON processors |