| 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 |