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‎ffmpeg/JNI/Application.mk‎

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NDK_TOOLCHAIN_VERSION := 4.9
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NDK_TOOLCHAIN_VERSION := clang
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APP_STL := c++_shared
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‎ffmpeg/JNI/build-ffmpeg.sh‎

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if test "$?" != 0; then
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die "ERROR: failed to build ffmpeg for $1"
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fi
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. copy_to_$1.sh ffmpeg.mx
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‎ffmpeg/JNI/config-ffmpeg.sh‎

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@@ -161,7 +161,8 @@ INC_ICONV=../modified_src/iconv
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INC_MODPLUG=../libmodplug/src
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INC_LIBMXL2=../libxml2/include
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INC_LIBSMB2=../libsmb2/include
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INC_MXV=../modified_src/mxv
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INC_LIBDAV1D=../dav1d/include
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TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_PLATFORM
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if [ $ARCH == 'arm64' ]
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--enable-zlib \
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--enable-libxml2 \
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--enable-libsmb2 \
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--enable-libdav1d\
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"
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#configure compiler,ld and relevant parameters
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FFCOMPILER="\
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$EXTRA_PARAMETERS \
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"
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EXTRA_CFLAGS+=" -I$INC_ICONV -idirafter$INC_ZVBI -I$INC_OPENSSL -I$INC_OPUS -I$INC_SPEEX -I$INC_MODPLUG -I$INC_LIBMXL2 -I$INC_LIBSMB2 -DNDEBUG -DMXTECHS -DFF_API_AVPICTURE=1 -ftree-vectorize -ffunction-sections -funwind-tables -fomit-frame-pointer -no-canonical-prefixes -pipe"
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EXTRA_CFLAGS+=" -I$INC_ICONV -idirafter$INC_ZVBI -I$INC_OPENSSL -I$INC_OPUS -I$INC_SPEEX -I$INC_MODPLUG -I$INC_LIBMXL2 -I$INC_LIBSMB2 -I$INC_LIBDAV1D -I$INC_MXV -DNDEBUG -DMXTECHS -DFF_API_AVPICTURE=1 -ftree-vectorize -ffunction-sections -funwind-tables -fomit-frame-pointer -no-canonical-prefixes -pipe"
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EXTRA_LIBS="-L$LIB_MX -lmxutil -lm -lc++_shared"
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# Don't ask me why i need bash here when its already #!/bin/bash. This fixes ffmpeg ./configure: 1283: shift: can't shift that many

‎ffmpeg/JNI/dav1d/CONTRIBUTING.md‎

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# dav1d contribution guide
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## CoC
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The [VideoLAN Code of Conduct](https://wiki.videolan.org/CoC) applies fully to this project.
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## ToDo
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The todo list can be found [on the wiki](https://code.videolan.org/videolan/dav1d/wikis/task-list).
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## Codebase language
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The codebase is developed with the following assumptions:
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For the library:
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- C language with C99 version, without the VLA or the Complex (*\_\_STDC_NO_COMPLEX__*) features, and without compiler extension,
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- x86 asm in .asm files, using the NASM syntax,
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- arm/arm64 in .S files, using the GAS syntax limited to subset llvm 5.0's internal assembler supports,
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- no C++ is allowed, whatever the version.
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For the tools and utils:
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- C *(see above for restrictions)*
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- Rust
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- C++ is only allowed for the MFT.
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If you want to use *Threads* or *Atomic* features, please conform to the **C11**/**POSIX** semantic and use a wrapper for older compilers/platforms *(like done in VLC)*.
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Please use modern standard POSIX functions *(strscpy, asprintf, tdestroy)*, and provide a compatibility fallback *(like done in VLC)*.
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We will make reasonable efforts for compilers that are a bit older, but we won't support gcc 3 or MSVC 2012.
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## Authorship
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Please provide a correct authorship for your commit logs, with a name and a valid email.
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We will reject anonymous contributions for now. As an exception, known pseudonyms from the multimedia community are accepted.
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This project is respecting **Copyright** and **Droit d'auteur**. There is no copyright attribution or CLA.
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## Commit logs
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Please read [How to Write a Git Commit Message](https://chris.beams.io/posts/git-commit/).
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## Submit requests (WIP)
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- Code,
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- [Compile](https://xkcd.com/303/),
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- Check your [code style](https://code.videolan.org/videolan/dav1d/wikis/Coding-style),
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- Test,
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- Try,
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- Submit patches through merge requests,
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- Check that this passes the CI.
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## Patent license
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You need to read, understand, and agree to the [AV1 patents license](doc/PATENTS), before committing.
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‎ffmpeg/JNI/dav1d/COPYING‎

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Copyright © 2018-2019, VideoLAN and dav1d authors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎ffmpeg/JNI/dav1d/NEWS‎

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Changes for 0.6.0 'Gyrfalcon':
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------------------------------
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0.6.0 is a major release for dav1d:
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- New ARM64 optimizations for the 10/12bit depth:
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- mc_avg, mc_w_avg, mc_mask
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- mc_put/mc_prep 8tap/bilin
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- mc_warp_8x8
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- mc_w_mask
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- mc_blend
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- wiener
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- SGR
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- loopfilter
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- cdef
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- New AVX-512 optimizations for prep_bilin, prep_8tap, cdef_filter, mc_avg/w_avg/mask
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- New SSSE3 optimizations for film grain
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- New AVX2 optimizations for msac_adapt16
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- Fix rare mismatches against the reference decoder, notably because of clipping
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- Improvements on ARM64 on msac, cdef and looprestoration optimizations
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- Improvements on AVX2 optimizations for cdef_filter
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- Improvements in the C version for itxfm, cdef_filter
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Changes for 0.5.2 'Asiatic Cheetah':
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------------------------------------
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0.5.2 is a small release improving speed for ARM32 and adding minor features:
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- ARM32 optimizations for loopfilter, ipred_dc|h|v
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- Add section-5 raw OBU demuxer
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- Improve the speed by reducing the L2 cache collisions
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- Fix minor issues
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Changes for 0.5.1 'Asiatic Cheetah':
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------------------------------------
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0.5.1 is a small release improving speeds and fixing minor issues
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compared to 0.5.0:
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- SSE2 optimizations for CDEF, wiener and warp_affine
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- NEON optimizations for SGR on ARM32
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- Fix mismatch issue in x86 asm in inverse identity transforms
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- Fix build issue in ARM64 assembly if debug info was enabled
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- Add a workaround for Xcode 11 -fstack-check bug
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Changes for 0.5.0 'Asiatic Cheetah':
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------------------------------------
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0.5.0 is a medium release fixing regressions and minor issues,
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and improving speed significantly:
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- Export ITU T.35 metadata
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- Speed improvements on blend_ on ARM
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- Speed improvements on decode_coef and MSAC
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- NEON optimizations for blend*, w_mask_, ipred functions for ARM64
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- NEON optimizations for CDEF and warp on ARM32
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- SSE2 optimizations for MSAC hi_tok decoding
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- SSSE3 optimizations for deblocking loopfilters and warp_affine
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- AVX2 optimizations for film grain and ipred_z2
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- SSE4 optimizations for warp_affine
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- VSX optimizations for wiener
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- Fix inverse transform overflows in x86 and NEON asm
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- Fix integer overflows with large frames
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- Improve film grain generation to match reference code
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- Improve compatibility with older binutils for ARM
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- More advanced Player example in tools
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Changes for 0.4.0 'Cheetah':
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----------------------------
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- Fix playback with unknown OBUs
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- Add an option to limit the maximum frame size
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- SSE2 and ARM64 optimizations for MSAC
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- Improve speed on 32bits systems
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- Optimization in obmc blend
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- Reduce RAM usage significantly
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- The initial PPC SIMD code, cdef_filter
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- NEON optimizations for blend functions on ARM
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- NEON optimizations for w_mask functions on ARM
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- NEON optimizations for inverse transforms on ARM64
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- VSX optimizations for CDEF filter
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- Improve handling of malloc failures
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- Simple Player example in tools
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Changes for 0.3.1 'Sailfish':
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------------------------------
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- Fix a buffer overflow in frame-threading mode on SSSE3 CPUs
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- Reduce binary size, notably on Windows
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- SSSE3 optimizations for ipred_filter
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- ARM optimizations for MSAC
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Changes for 0.3.0 'Sailfish':
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------------------------------
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This is the final release for the numerous speed improvements of 0.3.0-rc.
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It mostly:
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- Fixes an annoying crash on SSSE3 that happened in the itx functions
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Changes for 0.2.2 (0.3.0-rc) 'Antelope':
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-----------------------------
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- Large improvement on MSAC decoding with SSE, bringing 4-6% speed increase
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The impact is important on SSSE3, SSE4 and AVX2 cpus
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- SSSE3 optimizations for all blocks size in itx
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- SSSE3 optimizations for ipred_paeth and ipred_cfl (420, 422 and 444)
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- Speed improvements on CDEF for SSE4 CPUs
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- NEON optimizations for SGR and loop filter
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- Minor crashes, improvements and build changes
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Changes for 0.2.1 'Antelope':
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----------------------------
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- SSSE3 optimization for cdef_dir
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- AVX2 improvements of the existing CDEF optimizations
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- NEON improvements of the existing CDEF and wiener optimizations
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- Clarification about the numbering/versionning scheme
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Changes for 0.2.0 'Antelope':
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----------------------------
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- ARM64 and ARM optimizations using NEON instructions
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- SSSE3 optimizations for both 32 and 64bits
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- More AVX2 assembly, reaching almost completion
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- Fix installation of includes
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- Rewrite inverse transforms to avoid overflows
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- Snap packaging for Linux
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- Updated API (ABI and API break)
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- Fixes for un-decodable samples
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Changes for 0.1.0 'Gazelle':
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----------------------------
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Initial release of dav1d, the fast and small AV1 decoder.
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- Support for all features of the AV1 bitstream
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- Support for all bitdepth, 8, 10 and 12bits
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- Support for all chroma subsamplings 4:2:0, 4:2:2, 4:4:4 *and* grayscale
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- Full acceleration for AVX2 64bits processors, making it the fastest decoder
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- Partial acceleration for SSSE3 processors
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- Partial acceleration for NEON processors

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