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Michael Niedermayer 6910e0f4e5 avcodec/exr: Check limits to avoid overflow in delta computation Fixes: signed integer overflow: 553590816 - -2145378049 cannot be represented in type 'int' Fixes: 26315/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5938755121446912 Fixes: 26340/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5644316208529408 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>		2020-10-20 15:33:13 +02:00
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doc	doc: Add dev_community/community.md for general assembly and main elections process.	2020-10-19 14:35:14 +02:00
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libavcodec	avcodec/exr: Check limits to avoid overflow in delta computation	2020-10-20 15:33:13 +02:00
libavdevice	avdevice/alldevices: stop using deprecated linked list API	2020-10-19 11:54:45 -03:00
libavfilter	avfilter/af_asubboost: use transposed II form	2020-10-20 13:51:45 +02:00
libavformat	avformat/boadec: Check that channels and block_align are set	2020-10-20 15:33:13 +02:00
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tools	tools/target_dec_fuzzer: remove calls to avcodec_register*()	2020-10-19 12:07:49 -03:00
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README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

libavcodec provides implementation of a wider range of codecs.
libavformat implements streaming protocols, container formats and basic I/O access.
libavutil includes hashers, decompressors and miscellaneous utility functions.
libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
libavdevice provides an abstraction to access capture and playback devices.
libswresample implements audio mixing and resampling routines.
libswscale implements 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, ismindex and qt-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 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.