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https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/471db1d323aaed50ff922f0da76ecc8e45c4e817 added armv6 optimizations and guarded the include with #elif ARCH_ARM && HAVE_ARMV6 but guarded the code only with #elif ARCH_ARM causing a build error with armv5 toolchains: libavutil/pixelutils.c: In function ‘av_pixelutils_get_sad_fn’: libavutil/pixelutils.c:102:5: error: implicit declaration of function ‘ff_pixelutils_sad_init_arm’ [-Wimplicit-function-declaration] Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
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FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- Additional small tools such as
aviocat,ismindexandqt-faststart.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to Forgejo or the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.
See https://ffmpeg.org/developer.html for more information.
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