| 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 |
