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Michael Niedermayer 0014249fd9 avformat/nutdec: Fix integer overflow in count computation 
Note, the value is checked a few lines later already

Fixes: signed integer overflow: -440402016 - 1879048064 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6603876618469376

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-01-26 18:37:12 +01:00
compat All: update names in copyright headers 2021-01-20 01:02:56 -06:00
doc avutil/common: Add FFABSU() for a signed -> unsigned ABS 2021-01-26 18:37:12 +01:00
ffbuild
fftools avcodec: remove long dead debug_mv code 2021-01-25 19:03:22 -03:00
libavcodec avcodec/apedec: Use FFABSU() in do_apply_filter() 2021-01-26 18:37:12 +01:00
libavdevice avdevice/dshow: Add namespace prefix to the remaining global symbols 2021-01-25 19:31:11 -03:00
libavfilter avfilter/vf_unsharp: Remove unnecessary ; 2021-01-26 17:44:41 +01:00
libavformat avformat/nutdec: Fix integer overflow in count computation 2021-01-26 18:37:12 +01:00
libavresample
libavutil avutil/common: Add FFABSU() for a signed -> unsigned ABS 2021-01-26 18:37:12 +01:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample
libswscale lsws/ppc/yuv2rgb: Fix transparency converting from yuv->rgb32. 2021-01-24 17:17:29 +01:00
presets
tests fate/hlsenc: rework the ffprobe dependency of hls-fmp4_ac3 2021-01-25 12:19:51 -03:00
tools tools/target_dec_fuzzer: use non-obsolete decoding API 2021-01-26 17:04:45 +01:00
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Changelog avfilter: add shear video filter 2021-01-26 12:19:09 +01:00
configure configure: add fallback to $arch in msvc assembler check. 2021-01-25 09:09:00 +01:00
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MAINTAINERS MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile tools/enum_options: fix build and add to Makefile 2020-11-20 15:20:24 +01:00
README.md
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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.