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Michael Niedermayer f8ec1da8ac avformat/wtvdec: Improve size overflow checks in parse_chunks() 
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-04-22 16:01:21 +02:00
compat atomics: Fix the win32 atomic_exchange function 2021-04-04 11:06:08 +03:00
doc doc/filters: note requirements for xfade inputs 2021-04-20 09:32:50 +05:30
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools fftools/ffprobe: Remove check on show_frames and show_packets in XML writer 2021-04-16 08:40:09 +02:00
libavcodec avcodec/faxcompr: Check remaining bits on error in decode_group3_1d_line() 2021-04-22 15:06:55 +02:00
libavdevice libavdevice/gdigrab: fix capture of windows with non-ASCII titles 2021-04-13 19:34:33 +03:00
libavfilter Include attributes.h directly 2021-04-19 14:34:10 +02:00
libavformat avformat/wtvdec: Improve size overflow checks in parse_chunks() 2021-04-22 16:01:21 +02:00
libavresample
libavutil avutil/cpu: Schedule deprecated functions for removal 2021-04-19 14:34:19 +02:00
libpostproc Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswresample Include attributes.h directly 2021-04-19 14:34:10 +02:00
libswscale Include attributes.h directly 2021-04-19 14:34:10 +02:00
presets
tests avformat/id3v2: Don't reverse the order of id3v2 APICs 2021-04-18 02:24:44 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for paf video 2021-04-22 15:06:55 +02:00
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.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
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Changelog Changelog: Add new <next> line after 4.4 2021-04-09 06:30:31 +02:00
configure lavfi: add filter dnn_detect for object detection 2021-04-17 17:27:02 +08:00
CONTRIBUTING.md
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as adpcm maintainer 2021-03-25 12:51:10 +10:00
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 2021-03-19 15:35:35 -03:00
README.md
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.